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authorIngo Molnar <mingo@elte.hu>2011-12-18 10:35:16 +0100
committerIngo Molnar <mingo@elte.hu>2011-12-18 10:35:16 +0100
commit6e5ed276374c329b93a968d640f4d26c8c05411b (patch)
tree3b0d42269f0f52ea7764511de3a58b01d12bcb23 /drivers
parentx86/mrst: Add additional debug prints for pb_keys (diff)
parentLinux 3.2-rc6 (diff)
downloadlinux-6e5ed276374c329b93a968d640f4d26c8c05411b.tar.xz
linux-6e5ed276374c329b93a968d640f4d26c8c05411b.zip
Merge commit 'v3.2-rc6' into x86/platform
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/core.c6
-rw-r--r--drivers/block/cciss.c6
-rw-r--r--drivers/block/loop.c4
-rw-r--r--drivers/block/rbd.c101
-rw-r--r--drivers/block/swim3.c362
-rw-r--r--drivers/bluetooth/Kconfig6
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c15
-rw-r--r--drivers/bluetooth/btusb.c3
-rw-r--r--drivers/firmware/iscsi_ibft.c42
-rw-r--r--drivers/firmware/iscsi_ibft_find.c26
-rw-r--r--drivers/gpio/Makefile2
-rw-r--r--drivers/gpio/gpio-da9052.c21
-rw-r--r--drivers/gpio/gpio-ml-ioh.c32
-rw-r--r--drivers/gpio/gpio-mpc8xxx.c18
-rw-r--r--drivers/gpio/gpio-pl061.c4
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c1
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c10
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c43
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h18
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c19
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h30
-rw-r--r--drivers/gpu/drm/i915/intel_display.c89
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c173
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c8
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c16
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c36
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c7
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c4
-rw-r--r--drivers/hwmon/jz4740-hwmon.c4
-rw-r--r--drivers/iommu/intel-iommu.c7
-rw-r--r--drivers/iommu/intr_remapping.c2
-rw-r--r--drivers/md/bitmap.c4
-rw-r--r--drivers/md/md.c27
-rw-r--r--drivers/md/raid5.c8
-rw-r--r--drivers/mmc/card/block.c8
-rw-r--r--drivers/mmc/core/core.c98
-rw-r--r--drivers/mmc/core/mmc.c12
-rw-r--r--drivers/mmc/host/mxcmmc.c1
-rw-r--r--drivers/mmc/host/omap_hsmmc.c7
-rw-r--r--drivers/mmc/host/sdhci-cns3xxx.c1
-rw-r--r--drivers/mmc/host/sdhci-s3c.c2
-rw-r--r--drivers/mmc/host/sh_mmcif.c2
-rw-r--r--drivers/mmc/host/tmio_mmc_pio.c2
-rw-r--r--drivers/net/ethernet/freescale/fec.c11
-rw-r--r--drivers/net/ethernet/freescale/fsl_pq_mdio.c53
-rw-r--r--drivers/net/ethernet/pasemi/Makefile3
-rw-r--r--drivers/net/ethernet/realtek/r8169.c53
-rw-r--r--drivers/net/ethernet/tile/tilepro.c8
-rw-r--r--drivers/net/ppp/pptp.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-1000.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rxon.c36
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-sta.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c34
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c22
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-shared.h4
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192ce/phy.c2
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192cu/phy.c2
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192de/phy.c2
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192se/phy.c2
-rw-r--r--drivers/net/xen-netback/netback.c2
-rw-r--r--drivers/of/irq.c13
-rw-r--r--drivers/oprofile/oprof.c29
-rw-r--r--drivers/oprofile/timer_int.c1
-rw-r--r--drivers/platform/x86/toshiba_acpi.c21
-rw-r--r--drivers/power/intel_mid_battery.c12
-rw-r--r--drivers/ptp/ptp_clock.c4
-rw-r--r--drivers/rapidio/devices/tsi721.c41
-rw-r--r--drivers/rapidio/devices/tsi721.h2
-rw-r--r--drivers/rtc/class.c10
-rw-r--r--drivers/rtc/interface.c44
-rw-r--r--drivers/rtc/rtc-s3c.c2
-rw-r--r--drivers/s390/cio/chsc.c7
-rw-r--r--drivers/s390/cio/cio.h5
-rw-r--r--drivers/s390/cio/css.c104
-rw-r--r--drivers/s390/cio/device.c4
-rw-r--r--drivers/s390/cio/device_fsm.c30
-rw-r--r--drivers/s390/cio/device_ops.c20
-rw-r--r--drivers/s390/cio/io_sch.h5
-rw-r--r--drivers/s390/crypto/ap_bus.c2
-rw-r--r--drivers/sbus/char/bbc_i2c.c27
-rw-r--r--drivers/sbus/char/display7seg.c13
-rw-r--r--drivers/sbus/char/envctrl.c12
-rw-r--r--drivers/sbus/char/flash.c12
-rw-r--r--drivers/sbus/char/uctrl.c12
-rw-r--r--drivers/spi/Kconfig4
-rw-r--r--drivers/spi/spi-ath79.c1
-rw-r--r--drivers/spi/spi-gpio.c4
-rw-r--r--drivers/spi/spi-nuc900.c1
-rw-r--r--drivers/ssb/driver_pcicore.c8
-rw-r--r--drivers/staging/rtl8712/usb_intf.c1
-rw-r--r--drivers/staging/tidspbridge/core/dsp-clock.c15
-rw-r--r--drivers/staging/tidspbridge/rmgr/drv_interface.c4
-rw-r--r--drivers/target/iscsi/iscsi_target.c26
-rw-r--r--drivers/target/iscsi/iscsi_target_auth.c6
-rw-r--r--drivers/target/iscsi/iscsi_target_core.h3
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.c3
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c13
-rw-r--r--drivers/target/iscsi/iscsi_target_nego.c3
-rw-r--r--drivers/target/loopback/tcm_loop.c41
-rw-r--r--drivers/target/target_core_alua.c27
-rw-r--r--drivers/target/target_core_cdb.c20
-rw-r--r--drivers/target/target_core_configfs.c11
-rw-r--r--drivers/target/target_core_device.c30
-rw-r--r--drivers/target/target_core_file.c20
-rw-r--r--drivers/target/target_core_iblock.c16
-rw-r--r--drivers/target/target_core_pr.c240
-rw-r--r--drivers/target/target_core_pscsi.c28
-rw-r--r--drivers/target/target_core_rd.c258
-rw-r--r--drivers/target/target_core_tmr.c4
-rw-r--r--drivers/target/target_core_transport.c260
-rw-r--r--drivers/target/tcm_fc/tfc_cmd.c2
-rw-r--r--drivers/target/tcm_fc/tfc_conf.c3
-rw-r--r--drivers/usb/class/cdc-acm.c10
-rw-r--r--drivers/usb/gadget/f_mass_storage.c1
-rw-r--r--drivers/usb/renesas_usbhs/mod.c2
-rw-r--r--drivers/usb/renesas_usbhs/mod_host.c1
-rw-r--r--drivers/usb/serial/option.c7
-rw-r--r--drivers/xen/swiotlb-xen.c4
123 files changed, 1651 insertions, 1397 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d8b3d89db043..919daa7cd5b1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1743,8 +1743,10 @@ void device_shutdown(void)
*/
list_del_init(&dev->kobj.entry);
spin_unlock(&devices_kset->list_lock);
- /* Disable all device's runtime power management */
- pm_runtime_disable(dev);
+
+ /* Don't allow any more runtime suspends */
+ pm_runtime_get_noresume(dev);
+ pm_runtime_barrier(dev);
if (dev->bus && dev->bus->shutdown) {
dev_dbg(dev, "shutdown\n");
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 8004ac30a7a8..587cce57adae 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2601,6 +2601,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
c->Request.Timeout = 0;
c->Request.CDB[0] = BMIC_WRITE;
c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+ c->Request.CDB[7] = (size >> 8) & 0xFF;
+ c->Request.CDB[8] = size & 0xFF;
break;
case TEST_UNIT_READY:
c->Request.CDBLen = 6;
@@ -4880,7 +4882,7 @@ static int cciss_request_irq(ctlr_info_t *h,
{
if (h->msix_vector || h->msi_vector) {
if (!request_irq(h->intr[h->intr_mode], msixhandler,
- IRQF_DISABLED, h->devname, h))
+ 0, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get msi irq %d"
" for %s\n", h->intr[h->intr_mode],
@@ -4889,7 +4891,7 @@ static int cciss_request_irq(ctlr_info_t *h,
}
if (!request_irq(h->intr[h->intr_mode], intxhandler,
- IRQF_DISABLED, h->devname, h))
+ IRQF_SHARED, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
h->intr[h->intr_mode], h->devname);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 68b205a9338f..1e888c9e85b3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -422,7 +422,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
/*
* We use punch hole to reclaim the free space used by the
- * image a.k.a. discard. However we do support discard if
+ * image a.k.a. discard. However we do not support discard if
* encryption is enabled, because it may give an attacker
* useful information.
*/
@@ -797,7 +797,7 @@ static void loop_config_discard(struct loop_device *lo)
}
q->limits.discard_granularity = inode->i_sb->s_blocksize;
- q->limits.discard_alignment = inode->i_sb->s_blocksize;
+ q->limits.discard_alignment = 0;
q->limits.max_discard_sectors = UINT_MAX >> 9;
q->limits.discard_zeroes_data = 1;
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 65cc424359b0..148ab944378d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -183,10 +183,6 @@ static LIST_HEAD(rbd_client_list); /* clients */
static int __rbd_init_snaps_header(struct rbd_device *rbd_dev);
static void rbd_dev_release(struct device *dev);
-static ssize_t rbd_snap_rollback(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t size);
static ssize_t rbd_snap_add(struct device *dev,
struct device_attribute *attr,
const char *buf,
@@ -461,6 +457,10 @@ static int rbd_header_from_disk(struct rbd_image_header *header,
u32 snap_count = le32_to_cpu(ondisk->snap_count);
int ret = -ENOMEM;
+ if (memcmp(ondisk, RBD_HEADER_TEXT, sizeof(RBD_HEADER_TEXT))) {
+ return -ENXIO;
+ }
+
init_rwsem(&header->snap_rwsem);
header->snap_names_len = le64_to_cpu(ondisk->snap_names_len);
header->snapc = kmalloc(sizeof(struct ceph_snap_context) +
@@ -1356,32 +1356,6 @@ fail:
}
/*
- * Request sync osd rollback
- */
-static int rbd_req_sync_rollback_obj(struct rbd_device *dev,
- u64 snapid,
- const char *obj)
-{
- struct ceph_osd_req_op *ops;
- int ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_ROLLBACK, 0);
- if (ret < 0)
- return ret;
-
- ops[0].snap.snapid = snapid;
-
- ret = rbd_req_sync_op(dev, NULL,
- CEPH_NOSNAP,
- 0,
- CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
- ops,
- 1, obj, 0, 0, NULL, NULL, NULL);
-
- rbd_destroy_ops(ops);
-
- return ret;
-}
-
-/*
* Request sync osd read
*/
static int rbd_req_sync_exec(struct rbd_device *dev,
@@ -1610,8 +1584,13 @@ static int rbd_read_header(struct rbd_device *rbd_dev,
goto out_dh;
rc = rbd_header_from_disk(header, dh, snap_count, GFP_KERNEL);
- if (rc < 0)
+ if (rc < 0) {
+ if (rc == -ENXIO) {
+ pr_warning("unrecognized header format"
+ " for image %s", rbd_dev->obj);
+ }
goto out_dh;
+ }
if (snap_count != header->total_snaps) {
snap_count = header->total_snaps;
@@ -1882,7 +1861,6 @@ static DEVICE_ATTR(name, S_IRUGO, rbd_name_show, NULL);
static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh);
static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL);
static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add);
-static DEVICE_ATTR(rollback_snap, S_IWUSR, NULL, rbd_snap_rollback);
static struct attribute *rbd_attrs[] = {
&dev_attr_size.attr,
@@ -1893,7 +1871,6 @@ static struct attribute *rbd_attrs[] = {
&dev_attr_current_snap.attr,
&dev_attr_refresh.attr,
&dev_attr_create_snap.attr,
- &dev_attr_rollback_snap.attr,
NULL
};
@@ -2424,64 +2401,6 @@ err_unlock:
return ret;
}
-static ssize_t rbd_snap_rollback(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct rbd_device *rbd_dev = dev_to_rbd(dev);
- int ret;
- u64 snapid;
- u64 cur_ofs;
- char *seg_name = NULL;
- char *snap_name = kmalloc(count + 1, GFP_KERNEL);
- ret = -ENOMEM;
- if (!snap_name)
- return ret;
-
- /* parse snaps add command */
- snprintf(snap_name, count, "%s", buf);
- seg_name = kmalloc(RBD_MAX_SEG_NAME_LEN + 1, GFP_NOIO);
- if (!seg_name)
- goto done;
-
- mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
-
- ret = snap_by_name(&rbd_dev->header, snap_name, &snapid, NULL);
- if (ret < 0)
- goto done_unlock;
-
- dout("snapid=%lld\n", snapid);
-
- cur_ofs = 0;
- while (cur_ofs < rbd_dev->header.image_size) {
- cur_ofs += rbd_get_segment(&rbd_dev->header,
- rbd_dev->obj,
- cur_ofs, (u64)-1,
- seg_name, NULL);
- dout("seg_name=%s\n", seg_name);
-
- ret = rbd_req_sync_rollback_obj(rbd_dev, snapid, seg_name);
- if (ret < 0)
- pr_warning("could not roll back obj %s err=%d\n",
- seg_name, ret);
- }
-
- ret = __rbd_update_snaps(rbd_dev);
- if (ret < 0)
- goto done_unlock;
-
- ret = count;
-
-done_unlock:
- mutex_unlock(&ctl_mutex);
-done:
- kfree(seg_name);
- kfree(snap_name);
-
- return ret;
-}
-
static struct bus_attribute rbd_bus_attrs[] = {
__ATTR(add, S_IWUSR, NULL, rbd_add),
__ATTR(remove, S_IWUSR, NULL, rbd_remove),
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index ae3e167e17ad..89ddab127e33 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -16,6 +16,8 @@
* handle GCR disks
*/
+#undef DEBUG
+
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/sched.h>
@@ -36,13 +38,11 @@
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
-static DEFINE_MUTEX(swim3_mutex);
-static struct request_queue *swim3_queue;
-static struct gendisk *disks[2];
-static struct request *fd_req;
-
#define MAX_FLOPPIES 2
+static DEFINE_MUTEX(swim3_mutex);
+static struct gendisk *disks[MAX_FLOPPIES];
+
enum swim_state {
idle,
locating,
@@ -177,7 +177,6 @@ struct swim3 {
struct floppy_state {
enum swim_state state;
- spinlock_t lock;
struct swim3 __iomem *swim3; /* hardware registers */
struct dbdma_regs __iomem *dma; /* DMA controller registers */
int swim3_intr; /* interrupt number for SWIM3 */
@@ -204,8 +203,20 @@ struct floppy_state {
int wanted;
struct macio_dev *mdev;
char dbdma_cmd_space[5 * sizeof(struct dbdma_cmd)];
+ int index;
+ struct request *cur_req;
};
+#define swim3_err(fmt, arg...) dev_err(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_warn(fmt, arg...) dev_warn(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#define swim3_info(fmt, arg...) dev_info(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+
+#ifdef DEBUG
+#define swim3_dbg(fmt, arg...) dev_dbg(&fs->mdev->ofdev.dev, "[fd%d] " fmt, fs->index, arg)
+#else
+#define swim3_dbg(fmt, arg...) do { } while(0)
+#endif
+
static struct floppy_state floppy_states[MAX_FLOPPIES];
static int floppy_count = 0;
static DEFINE_SPINLOCK(swim3_lock);
@@ -224,17 +235,8 @@ static unsigned short write_postamble[] = {
0, 0, 0, 0, 0, 0
};
-static void swim3_select(struct floppy_state *fs, int sel);
-static void swim3_action(struct floppy_state *fs, int action);
-static int swim3_readbit(struct floppy_state *fs, int bit);
-static void do_fd_request(struct request_queue * q);
-static void start_request(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
- void (*proc)(unsigned long));
-static void scan_track(struct floppy_state *fs);
static void seek_track(struct floppy_state *fs, int n);
static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count);
-static void setup_transfer(struct floppy_state *fs);
static void act(struct floppy_state *fs);
static void scan_timeout(unsigned long data);
static void seek_timeout(unsigned long data);
@@ -254,18 +256,21 @@ static unsigned int floppy_check_events(struct gendisk *disk,
unsigned int clearing);
static int floppy_revalidate(struct gendisk *disk);
-static bool swim3_end_request(int err, unsigned int nr_bytes)
+static bool swim3_end_request(struct floppy_state *fs, int err, unsigned int nr_bytes)
{
- if (__blk_end_request(fd_req, err, nr_bytes))
- return true;
+ struct request *req = fs->cur_req;
+ int rc;
- fd_req = NULL;
- return false;
-}
+ swim3_dbg(" end request, err=%d nr_bytes=%d, cur_req=%p\n",
+ err, nr_bytes, req);
-static bool swim3_end_request_cur(int err)
-{
- return swim3_end_request(err, blk_rq_cur_bytes(fd_req));
+ if (err)
+ nr_bytes = blk_rq_cur_bytes(req);
+ rc = __blk_end_request(req, err, nr_bytes);
+ if (rc)
+ return true;
+ fs->cur_req = NULL;
+ return false;
}
static void swim3_select(struct floppy_state *fs, int sel)
@@ -303,50 +308,53 @@ static int swim3_readbit(struct floppy_state *fs, int bit)
return (stat & DATA) == 0;
}
-static void do_fd_request(struct request_queue * q)
-{
- int i;
-
- for(i=0; i<floppy_count; i++) {
- struct floppy_state *fs = &floppy_states[i];
- if (fs->mdev->media_bay &&
- check_media_bay(fs->mdev->media_bay) != MB_FD)
- continue;
- start_request(fs);
- }
-}
-
static void start_request(struct floppy_state *fs)
{
struct request *req;
unsigned long x;
+ swim3_dbg("start request, initial state=%d\n", fs->state);
+
if (fs->state == idle && fs->wanted) {
fs->state = available;
wake_up(&fs->wait);
return;
}
while (fs->state == idle) {
- if (!fd_req) {
- fd_req = blk_fetch_request(swim3_queue);
- if (!fd_req)
+ swim3_dbg("start request, idle loop, cur_req=%p\n", fs->cur_req);
+ if (!fs->cur_req) {
+ fs->cur_req = blk_fetch_request(disks[fs->index]->queue);
+ swim3_dbg(" fetched request %p\n", fs->cur_req);
+ if (!fs->cur_req)
break;
}
- req = fd_req;
-#if 0
- printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
- req->rq_disk->disk_name, req->cmd,
- (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
- printk(" errors=%d current_nr_sectors=%u\n",
- req->errors, blk_rq_cur_sectors(req));
+ req = fs->cur_req;
+
+ if (fs->mdev->media_bay &&
+ check_media_bay(fs->mdev->media_bay) != MB_FD) {
+ swim3_dbg("%s", " media bay absent, dropping req\n");
+ swim3_end_request(fs, -ENODEV, 0);
+ continue;
+ }
+
+#if 0 /* This is really too verbose */
+ swim3_dbg("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
+ req->rq_disk->disk_name, req->cmd,
+ (long)blk_rq_pos(req), blk_rq_sectors(req),
+ req->buffer);
+ swim3_dbg(" errors=%d current_nr_sectors=%u\n",
+ req->errors, blk_rq_cur_sectors(req));
#endif
if (blk_rq_pos(req) >= fs->total_secs) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg(" pos out of bounds (%ld, max is %ld)\n",
+ (long)blk_rq_pos(req), (long)fs->total_secs);
+ swim3_end_request(fs, -EIO, 0);
continue;
}
if (fs->ejected) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg("%s", " disk ejected\n");
+ swim3_end_request(fs, -EIO, 0);
continue;
}
@@ -354,7 +362,8 @@ static void start_request(struct floppy_state *fs)
if (fs->write_prot < 0)
fs->write_prot = swim3_readbit(fs, WRITE_PROT);
if (fs->write_prot) {
- swim3_end_request_cur(-EIO);
+ swim3_dbg("%s", " try to write, disk write protected\n");
+ swim3_end_request(fs, -EIO, 0);
continue;
}
}
@@ -369,7 +378,6 @@ static void start_request(struct floppy_state *fs)
x = ((long)blk_rq_pos(req)) % fs->secpercyl;
fs->head = x / fs->secpertrack;
fs->req_sector = x % fs->secpertrack + 1;
- fd_req = req;
fs->state = do_transfer;
fs->retries = 0;
@@ -377,12 +385,14 @@ static void start_request(struct floppy_state *fs)
}
}
+static void do_fd_request(struct request_queue * q)
+{
+ start_request(q->queuedata);
+}
+
static void set_timeout(struct floppy_state *fs, int nticks,
void (*proc)(unsigned long))
{
- unsigned long flags;
-
- spin_lock_irqsave(&fs->lock, flags);
if (fs->timeout_pending)
del_timer(&fs->timeout);
fs->timeout.expires = jiffies + nticks;
@@ -390,7 +400,6 @@ static void set_timeout(struct floppy_state *fs, int nticks,
fs->timeout.data = (unsigned long) fs;
add_timer(&fs->timeout);
fs->timeout_pending = 1;
- spin_unlock_irqrestore(&fs->lock, flags);
}
static inline void scan_track(struct floppy_state *fs)
@@ -442,40 +451,45 @@ static inline void setup_transfer(struct floppy_state *fs)
struct swim3 __iomem *sw = fs->swim3;
struct dbdma_cmd *cp = fs->dma_cmd;
struct dbdma_regs __iomem *dr = fs->dma;
+ struct request *req = fs->cur_req;
- if (blk_rq_cur_sectors(fd_req) <= 0) {
- printk(KERN_ERR "swim3: transfer 0 sectors?\n");
+ if (blk_rq_cur_sectors(req) <= 0) {
+ swim3_warn("%s", "Transfer 0 sectors ?\n");
return;
}
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
n = 1;
else {
n = fs->secpertrack - fs->req_sector + 1;
- if (n > blk_rq_cur_sectors(fd_req))
- n = blk_rq_cur_sectors(fd_req);
+ if (n > blk_rq_cur_sectors(req))
+ n = blk_rq_cur_sectors(req);
}
+
+ swim3_dbg(" setup xfer at sect %d (of %d) head %d for %d\n",
+ fs->req_sector, fs->secpertrack, fs->head, n);
+
fs->scount = n;
swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
out_8(&sw->sector, fs->req_sector);
out_8(&sw->nsect, n);
out_8(&sw->gap3, 0);
out_le32(&dr->cmdptr, virt_to_bus(cp));
- if (rq_data_dir(fd_req) == WRITE) {
+ if (rq_data_dir(req) == WRITE) {
/* Set up 3 dma commands: write preamble, data, postamble */
init_dma(cp, OUTPUT_MORE, write_preamble, sizeof(write_preamble));
++cp;
- init_dma(cp, OUTPUT_MORE, fd_req->buffer, 512);
+ init_dma(cp, OUTPUT_MORE, req->buffer, 512);
++cp;
init_dma(cp, OUTPUT_LAST, write_postamble, sizeof(write_postamble));
} else {
- init_dma(cp, INPUT_LAST, fd_req->buffer, n * 512);
+ init_dma(cp, INPUT_LAST, req->buffer, n * 512);
}
++cp;
out_le16(&cp->command, DBDMA_STOP);
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
in_8(&sw->error);
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
out_8(&sw->control_bis, WRITE_SECTORS);
in_8(&sw->intr);
out_le32(&dr->control, (RUN << 16) | RUN);
@@ -488,12 +502,16 @@ static inline void setup_transfer(struct floppy_state *fs)
static void act(struct floppy_state *fs)
{
for (;;) {
+ swim3_dbg(" act loop, state=%d, req_cyl=%d, cur_cyl=%d\n",
+ fs->state, fs->req_cyl, fs->cur_cyl);
+
switch (fs->state) {
case idle:
return; /* XXX shouldn't get here */
case locating:
if (swim3_readbit(fs, TRACK_ZERO)) {
+ swim3_dbg("%s", " locate track 0\n");
fs->cur_cyl = 0;
if (fs->req_cyl == 0)
fs->state = do_transfer;
@@ -511,7 +529,7 @@ static void act(struct floppy_state *fs)
break;
}
if (fs->req_cyl == fs->cur_cyl) {
- printk("whoops, seeking 0\n");
+ swim3_warn("%s", "Whoops, seeking 0\n");
fs->state = do_transfer;
break;
}
@@ -527,7 +545,9 @@ static void act(struct floppy_state *fs)
case do_transfer:
if (fs->cur_cyl != fs->req_cyl) {
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_err("Wrong cylinder in transfer, want: %d got %d\n",
+ fs->req_cyl, fs->cur_cyl);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
return;
}
@@ -542,7 +562,7 @@ static void act(struct floppy_state *fs)
return;
default:
- printk(KERN_ERR"swim3: unknown state %d\n", fs->state);
+ swim3_err("Unknown state %d\n", fs->state);
return;
}
}
@@ -552,59 +572,75 @@ static void scan_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* scan timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_ACTION | WRITE_SECTORS);
out_8(&sw->select, RELAX);
out_8(&sw->intr_enable, 0);
fs->cur_cyl = -1;
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
} else {
fs->state = jogging;
act(fs);
}
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void seek_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* seek timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_8(&sw->control_bic, DO_SEEK);
out_8(&sw->select, RELAX);
out_8(&sw->intr_enable, 0);
- printk(KERN_ERR "swim3: seek timeout\n");
- swim3_end_request_cur(-EIO);
+ swim3_err("%s", "Seek timeout\n");
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void settle_timeout(unsigned long data)
{
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
+ unsigned long flags;
+
+ swim3_dbg("* settle timeout, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
if (swim3_readbit(fs, SEEK_COMPLETE)) {
out_8(&sw->select, RELAX);
fs->state = locating;
act(fs);
- return;
+ goto unlock;
}
out_8(&sw->select, RELAX);
if (fs->settle_time < 2*HZ) {
++fs->settle_time;
set_timeout(fs, 1, settle_timeout);
- return;
+ goto unlock;
}
- printk(KERN_ERR "swim3: seek settle timeout\n");
- swim3_end_request_cur(-EIO);
+ swim3_err("%s", "Seek settle timeout\n");
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ unlock:
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static void xfer_timeout(unsigned long data)
@@ -612,8 +648,12 @@ static void xfer_timeout(unsigned long data)
struct floppy_state *fs = (struct floppy_state *) data;
struct swim3 __iomem *sw = fs->swim3;
struct dbdma_regs __iomem *dr = fs->dma;
+ unsigned long flags;
int n;
+ swim3_dbg("* xfer timeout, state=%d\n", fs->state);
+
+ spin_lock_irqsave(&swim3_lock, flags);
fs->timeout_pending = 0;
out_le32(&dr->control, RUN << 16);
/* We must wait a bit for dbdma to stop */
@@ -622,12 +662,13 @@ static void xfer_timeout(unsigned long data)
out_8(&sw->intr_enable, 0);
out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
out_8(&sw->select, RELAX);
- printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
- (rq_data_dir(fd_req)==WRITE? "writ": "read"),
- (long)blk_rq_pos(fd_req));
- swim3_end_request_cur(-EIO);
+ swim3_err("Timeout %sing sector %ld\n",
+ (rq_data_dir(fs->cur_req)==WRITE? "writ": "read"),
+ (long)blk_rq_pos(fs->cur_req));
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static irqreturn_t swim3_interrupt(int irq, void *dev_id)
@@ -638,12 +679,17 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
int stat, resid;
struct dbdma_regs __iomem *dr;
struct dbdma_cmd *cp;
+ unsigned long flags;
+ struct request *req = fs->cur_req;
+
+ swim3_dbg("* interrupt, state=%d\n", fs->state);
+ spin_lock_irqsave(&swim3_lock, flags);
intr = in_8(&sw->intr);
err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
if ((intr & ERROR_INTR) && fs->state != do_transfer)
- printk(KERN_ERR "swim3_interrupt, state=%d, dir=%x, intr=%x, err=%x\n",
- fs->state, rq_data_dir(fd_req), intr, err);
+ swim3_err("Non-transfer error interrupt: state=%d, dir=%x, intr=%x, err=%x\n",
+ fs->state, rq_data_dir(req), intr, err);
switch (fs->state) {
case locating:
if (intr & SEEN_SECTOR) {
@@ -653,10 +699,10 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
del_timer(&fs->timeout);
fs->timeout_pending = 0;
if (sw->ctrack == 0xff) {
- printk(KERN_ERR "swim3: seen sector but cyl=ff?\n");
+ swim3_err("%s", "Seen sector but cyl=ff?\n");
fs->cur_cyl = -1;
if (fs->retries > 5) {
- swim3_end_request_cur(-EIO);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
} else {
@@ -668,8 +714,8 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
fs->cur_cyl = sw->ctrack;
fs->cur_sector = sw->csect;
if (fs->expect_cyl != -1 && fs->expect_cyl != fs->cur_cyl)
- printk(KERN_ERR "swim3: expected cyl %d, got %d\n",
- fs->expect_cyl, fs->cur_cyl);
+ swim3_err("Expected cyl %d, got %d\n",
+ fs->expect_cyl, fs->cur_cyl);
fs->state = do_transfer;
act(fs);
}
@@ -704,7 +750,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
fs->timeout_pending = 0;
dr = fs->dma;
cp = fs->dma_cmd;
- if (rq_data_dir(fd_req) == WRITE)
+ if (rq_data_dir(req) == WRITE)
++cp;
/*
* Check that the main data transfer has finished.
@@ -729,31 +775,32 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
if (intr & ERROR_INTR) {
n = fs->scount - 1 - resid / 512;
if (n > 0) {
- blk_update_request(fd_req, 0, n << 9);
+ blk_update_request(req, 0, n << 9);
fs->req_sector += n;
}
if (fs->retries < 5) {
++fs->retries;
act(fs);
} else {
- printk("swim3: error %sing block %ld (err=%x)\n",
- rq_data_dir(fd_req) == WRITE? "writ": "read",
- (long)blk_rq_pos(fd_req), err);
- swim3_end_request_cur(-EIO);
+ swim3_err("Error %sing block %ld (err=%x)\n",
+ rq_data_dir(req) == WRITE? "writ": "read",
+ (long)blk_rq_pos(req), err);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
}
} else {
if ((stat & ACTIVE) == 0 || resid != 0) {
/* musta been an error */
- printk(KERN_ERR "swim3: fd dma: stat=%x resid=%d\n", stat, resid);
- printk(KERN_ERR " state=%d, dir=%x, intr=%x, err=%x\n",
- fs->state, rq_data_dir(fd_req), intr, err);
- swim3_end_request_cur(-EIO);
+ swim3_err("fd dma error: stat=%x resid=%d\n", stat, resid);
+ swim3_err(" state=%d, dir=%x, intr=%x, err=%x\n",
+ fs->state, rq_data_dir(req), intr, err);
+ swim3_end_request(fs, -EIO, 0);
fs->state = idle;
start_request(fs);
break;
}
- if (swim3_end_request(0, fs->scount << 9)) {
+ fs->retries = 0;
+ if (swim3_end_request(fs, 0, fs->scount << 9)) {
fs->req_sector += fs->scount;
if (fs->req_sector > fs->secpertrack) {
fs->req_sector -= fs->secpertrack;
@@ -770,8 +817,9 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
start_request(fs);
break;
default:
- printk(KERN_ERR "swim3: don't know what to do in state %d\n", fs->state);
+ swim3_err("Don't know what to do in state %d\n", fs->state);
}
+ spin_unlock_irqrestore(&swim3_lock, flags);
return IRQ_HANDLED;
}
@@ -781,26 +829,31 @@ static void fd_dma_interrupt(int irq, void *dev_id)
}
*/
+/* Called under the mutex to grab exclusive access to a drive */
static int grab_drive(struct floppy_state *fs, enum swim_state state,
int interruptible)
{
unsigned long flags;
- spin_lock_irqsave(&fs->lock, flags);
- if (fs->state != idle) {
+ swim3_dbg("%s", "-> grab drive\n");
+
+ spin_lock_irqsave(&swim3_lock, flags);
+ if (fs->state != idle && fs->state != available) {
++fs->wanted;
while (fs->state != available) {
+ spin_unlock_irqrestore(&swim3_lock, flags);
if (interruptible && signal_pending(current)) {
--fs->wanted;
- spin_unlock_irqrestore(&fs->lock, flags);
return -EINTR;
}
interruptible_sleep_on(&fs->wait);
+ spin_lock_irqsave(&swim3_lock, flags);
}
--fs->wanted;
}
fs->state = state;
- spin_unlock_irqrestore(&fs->lock, flags);
+ spin_unlock_irqrestore(&swim3_lock, flags);
+
return 0;
}
@@ -808,10 +861,12 @@ static void release_drive(struct floppy_state *fs)
{
unsigned long flags;
- spin_lock_irqsave(&fs->lock, flags);
+ swim3_dbg("%s", "-> release drive\n");
+
+ spin_lock_irqsave(&swim3_lock, flags);
fs->state = idle;
start_request(fs);
- spin_unlock_irqrestore(&fs->lock, flags);
+ spin_unlock_irqrestore(&swim3_lock, flags);
}
static int fd_eject(struct floppy_state *fs)
@@ -966,6 +1021,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
{
struct floppy_state *fs = disk->private_data;
struct swim3 __iomem *sw = fs->swim3;
+
mutex_lock(&swim3_mutex);
if (fs->ref_count > 0 && --fs->ref_count == 0) {
swim3_action(fs, MOTOR_OFF);
@@ -1031,30 +1087,48 @@ static const struct block_device_operations floppy_fops = {
.revalidate_disk= floppy_revalidate,
};
+static void swim3_mb_event(struct macio_dev* mdev, int mb_state)
+{
+ struct floppy_state *fs = macio_get_drvdata(mdev);
+ struct swim3 __iomem *sw = fs->swim3;
+
+ if (!fs)
+ return;
+ if (mb_state != MB_FD)
+ return;
+
+ /* Clear state */
+ out_8(&sw->intr_enable, 0);
+ in_8(&sw->intr);
+ in_8(&sw->error);
+}
+
static int swim3_add_device(struct macio_dev *mdev, int index)
{
struct device_node *swim = mdev->ofdev.dev.of_node;
struct floppy_state *fs = &floppy_states[index];
int rc = -EBUSY;
+ /* Do this first for message macros */
+ memset(fs, 0, sizeof(*fs));
+ fs->mdev = mdev;
+ fs->index = index;
+
/* Check & Request resources */
if (macio_resource_count(mdev) < 2) {
- printk(KERN_WARNING "ifd%d: no address for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "No address in device-tree\n");
return -ENXIO;
}
- if (macio_irq_count(mdev) < 2) {
- printk(KERN_WARNING "fd%d: no intrs for device %s\n",
- index, swim->full_name);
+ if (macio_irq_count(mdev) < 1) {
+ swim3_err("%s", "No interrupt in device-tree\n");
+ return -ENXIO;
}
if (macio_request_resource(mdev, 0, "swim3 (mmio)")) {
- printk(KERN_ERR "fd%d: can't request mmio resource for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Can't request mmio resource\n");
return -EBUSY;
}
if (macio_request_resource(mdev, 1, "swim3 (dma)")) {
- printk(KERN_ERR "fd%d: can't request dma resource for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Can't request dma resource\n");
macio_release_resource(mdev, 0);
return -EBUSY;
}
@@ -1063,22 +1137,18 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
if (mdev->media_bay == NULL)
pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 1);
- memset(fs, 0, sizeof(*fs));
- spin_lock_init(&fs->lock);
fs->state = idle;
fs->swim3 = (struct swim3 __iomem *)
ioremap(macio_resource_start(mdev, 0), 0x200);
if (fs->swim3 == NULL) {
- printk("fd%d: couldn't map registers for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Couldn't map mmio registers\n");
rc = -ENOMEM;
goto out_release;
}
fs->dma = (struct dbdma_regs __iomem *)
ioremap(macio_resource_start(mdev, 1), 0x200);
if (fs->dma == NULL) {
- printk("fd%d: couldn't map DMA for %s\n",
- index, swim->full_name);
+ swim3_err("%s", "Couldn't map dma registers\n");
iounmap(fs->swim3);
rc = -ENOMEM;
goto out_release;
@@ -1090,31 +1160,25 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
fs->secpercyl = 36;
fs->secpertrack = 18;
fs->total_secs = 2880;
- fs->mdev = mdev;
init_waitqueue_head(&fs->wait);
fs->dma_cmd = (struct dbdma_cmd *) DBDMA_ALIGN(fs->dbdma_cmd_space);
memset(fs->dma_cmd, 0, 2 * sizeof(struct dbdma_cmd));
st_le16(&fs->dma_cmd[1].command, DBDMA_STOP);
+ if (mdev->media_bay == NULL || check_media_bay(mdev->media_bay) == MB_FD)
+ swim3_mb_event(mdev, MB_FD);
+
if (request_irq(fs->swim3_intr, swim3_interrupt, 0, "SWIM3", fs)) {
- printk(KERN_ERR "fd%d: couldn't request irq %d for %s\n",
- index, fs->swim3_intr, swim->full_name);
+ swim3_err("%s", "Couldn't request interrupt\n");
pmac_call_feature(PMAC_FTR_SWIM3_ENABLE, swim, 0, 0);
goto out_unmap;
return -EBUSY;
}
-/*
- if (request_irq(fs->dma_intr, fd_dma_interrupt, 0, "SWIM3-dma", fs)) {
- printk(KERN_ERR "Couldn't get irq %d for SWIM3 DMA",
- fs->dma_intr);
- return -EBUSY;
- }
-*/
init_timer(&fs->timeout);
- printk(KERN_INFO "fd%d: SWIM3 floppy controller %s\n", floppy_count,
+ swim3_info("SWIM3 floppy controller %s\n",
mdev->media_bay ? "in media bay" : "");
return 0;
@@ -1132,41 +1196,42 @@ static int swim3_add_device(struct macio_dev *mdev, int index)
static int __devinit swim3_attach(struct macio_dev *mdev, const struct of_device_id *match)
{
- int i, rc;
struct gendisk *disk;
+ int index, rc;
+
+ index = floppy_count++;
+ if (index >= MAX_FLOPPIES)
+ return -ENXIO;
/* Add the drive */
- rc = swim3_add_device(mdev, floppy_count);
+ rc = swim3_add_device(mdev, index);
if (rc)
return rc;
+ /* Now register that disk. Same comment about failure handling */
+ disk = disks[index] = alloc_disk(1);
+ if (disk == NULL)
+ return -ENOMEM;
+ disk->queue = blk_init_queue(do_fd_request, &swim3_lock);
+ if (disk->queue == NULL) {
+ put_disk(disk);
+ return -ENOMEM;
+ }
+ disk->queue->queuedata = &floppy_states[index];
- /* Now create the queue if not there yet */
- if (swim3_queue == NULL) {
+ if (index == 0) {
/* If we failed, there isn't much we can do as the driver is still
* too dumb to remove the device, just bail out
*/
if (register_blkdev(FLOPPY_MAJOR, "fd"))
return 0;
- swim3_queue = blk_init_queue(do_fd_request, &swim3_lock);
- if (swim3_queue == NULL) {
- unregister_blkdev(FLOPPY_MAJOR, "fd");
- return 0;
- }
}
- /* Now register that disk. Same comment about failure handling */
- i = floppy_count++;
- disk = disks[i] = alloc_disk(1);
- if (disk == NULL)
- return 0;
-
disk->major = FLOPPY_MAJOR;
- disk->first_minor = i;
+ disk->first_minor = index;
disk->fops = &floppy_fops;
- disk->private_data = &floppy_states[i];
- disk->queue = swim3_queue;
+ disk->private_data = &floppy_states[index];
disk->flags |= GENHD_FL_REMOVABLE;
- sprintf(disk->disk_name, "fd%d", i);
+ sprintf(disk->disk_name, "fd%d", index);
set_capacity(disk, 2880);
add_disk(disk);
@@ -1194,6 +1259,9 @@ static struct macio_driver swim3_driver =
.of_match_table = swim3_match,
},
.probe = swim3_attach,
+#ifdef CONFIG_PMAC_MEDIABAY
+ .mediabay_event = swim3_mb_event,
+#endif
#if 0
.suspend = swim3_suspend,
.resume = swim3_resume,
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 11b41fd40c27..5ccf142ef0b8 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -188,7 +188,7 @@ config BT_MRVL
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
- Marvell Bluetooth devices, such as 8688/8787.
+ Marvell Bluetooth devices, such as 8688/8787/8797.
Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
@@ -201,8 +201,8 @@ config BT_MRVL_SDIO
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
- devices with SDIO interface. Currently SD8688/SD8787 chipsets are
- supported.
+ devices with SDIO interface. Currently SD8688/SD8787/SD8797
+ chipsets are supported.
Say Y here to compile support for Marvell BT-over-SDIO driver
into the kernel or say M to compile it as module.
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 9ef48167e2cf..27b74b0d547b 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -65,7 +65,7 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
.io_port_1 = 0x01,
.io_port_2 = 0x02,
};
-static const struct btmrvl_sdio_card_reg btmrvl_reg_8787 = {
+static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
.cfg = 0x00,
.host_int_mask = 0x02,
.host_intstatus = 0x03,
@@ -92,7 +92,14 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
.helper = NULL,
.firmware = "mrvl/sd8787_uapsta.bin",
- .reg = &btmrvl_reg_8787,
+ .reg = &btmrvl_reg_87xx,
+ .sd_blksz_fw_dl = 256,
+};
+
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
+ .helper = NULL,
+ .firmware = "mrvl/sd8797_uapsta.bin",
+ .reg = &btmrvl_reg_87xx,
.sd_blksz_fw_dl = 256,
};
@@ -103,6 +110,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8787 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
.driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+ /* Marvell SD8797 Bluetooth device */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+ .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
{ } /* Terminating entry */
};
@@ -1076,3 +1086,4 @@ MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE("sd8688_helper.bin");
MODULE_FIRMWARE("sd8688.bin");
MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fe4ebc375b3d..eabc437ce500 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -777,9 +777,8 @@ skip_waking:
usb_mark_last_busy(data->udev);
}
- usb_free_urb(urb);
-
done:
+ usb_free_urb(urb);
return err;
}
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index c811cb107904..2cce44a1d7d0 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -746,6 +746,37 @@ static void __exit ibft_exit(void)
ibft_cleanup();
}
+#ifdef CONFIG_ACPI
+static const struct {
+ char *sign;
+} ibft_signs[] = {
+ /*
+ * One spec says "IBFT", the other says "iBFT". We have to check
+ * for both.
+ */
+ { ACPI_SIG_IBFT },
+ { "iBFT" },
+};
+
+static void __init acpi_find_ibft_region(void)
+{
+ int i;
+ struct acpi_table_header *table = NULL;
+
+ if (acpi_disabled)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) {
+ acpi_get_table(ibft_signs[i].sign, 0, &table);
+ ibft_addr = (struct acpi_table_ibft *)table;
+ }
+}
+#else
+static void __init acpi_find_ibft_region(void)
+{
+}
+#endif
+
/*
* ibft_init() - creates sysfs tree entries for the iBFT data.
*/
@@ -753,9 +784,16 @@ static int __init ibft_init(void)
{
int rc = 0;
+ /*
+ As on UEFI systems the setup_arch()/find_ibft_region()
+ is called before ACPI tables are parsed and it only does
+ legacy finding.
+ */
+ if (!ibft_addr)
+ acpi_find_ibft_region();
+
if (ibft_addr) {
- printk(KERN_INFO "iBFT detected at 0x%llx.\n",
- (u64)isa_virt_to_bus(ibft_addr));
+ pr_info("iBFT detected.\n");
rc = ibft_check_device();
if (rc)
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index bfe723266fd8..4da4eb9ae926 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -45,13 +45,6 @@ EXPORT_SYMBOL_GPL(ibft_addr);
static const struct {
char *sign;
} ibft_signs[] = {
-#ifdef CONFIG_ACPI
- /*
- * One spec says "IBFT", the other says "iBFT". We have to check
- * for both.
- */
- { ACPI_SIG_IBFT },
-#endif
{ "iBFT" },
{ "BIFT" }, /* Broadcom iSCSI Offload */
};
@@ -62,14 +55,6 @@ static const struct {
#define VGA_MEM 0xA0000 /* VGA buffer */
#define VGA_SIZE 0x20000 /* 128kB */
-#ifdef CONFIG_ACPI
-static int __init acpi_find_ibft(struct acpi_table_header *header)
-{
- ibft_addr = (struct acpi_table_ibft *)header;
- return 0;
-}
-#endif /* CONFIG_ACPI */
-
static int __init find_ibft_in_mem(void)
{
unsigned long pos;
@@ -94,6 +79,7 @@ static int __init find_ibft_in_mem(void)
* the table cannot be valid. */
if (pos + len <= (IBFT_END-1)) {
ibft_addr = (struct acpi_table_ibft *)virt;
+ pr_info("iBFT found at 0x%lx.\n", pos);
goto done;
}
}
@@ -108,20 +94,12 @@ done:
*/
unsigned long __init find_ibft_region(unsigned long *sizep)
{
-#ifdef CONFIG_ACPI
- int i;
-#endif
ibft_addr = NULL;
-#ifdef CONFIG_ACPI
- for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++)
- acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft);
-#endif /* CONFIG_ACPI */
-
/* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
* only use ACPI for this */
- if (!ibft_addr && !efi_enabled)
+ if (!efi_enabled)
find_ibft_in_mem();
if (ibft_addr) {
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index dbcb0bcfd8da..4e018d6a7639 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -18,7 +18,7 @@ obj-$(CONFIG_ARCH_DAVINCI) += gpio-davinci.o
obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o
obj-$(CONFIG_GPIO_IT8761E) += gpio-it8761e.o
obj-$(CONFIG_GPIO_JANZ_TTL) += gpio-janz-ttl.o
-obj-$(CONFIG_MACH_KS8695) += gpio-ks8695.o
+obj-$(CONFIG_ARCH_KS8695) += gpio-ks8695.o
obj-$(CONFIG_GPIO_LANGWELL) += gpio-langwell.o
obj-$(CONFIG_ARCH_LPC32XX) += gpio-lpc32xx.o
obj-$(CONFIG_GPIO_MAX730X) += gpio-max730x.o
diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 038f5eb8b13d..f8ce29ef9f88 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -22,7 +22,6 @@
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
#include <linux/mfd/da9052/pdata.h>
-#include <linux/mfd/da9052/gpio.h>
#define DA9052_INPUT 1
#define DA9052_OUTPUT_OPENDRAIN 2
@@ -43,6 +42,9 @@
#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0
#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F
#define DA9052_GPIO_NIBBLE_SHIFT 4
+#define DA9052_IRQ_GPI0 16
+#define DA9052_GPIO_ODD_SHIFT 7
+#define DA9052_GPIO_EVEN_SHIFT 3
struct da9052_gpio {
struct da9052 *da9052;
@@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset)
static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
{
struct da9052_gpio *gpio = to_da9052_gpio(gc);
- unsigned char register_value = 0;
int ret;
if (da9052_gpio_port_odd(offset)) {
- if (value) {
- register_value = DA9052_GPIO_ODD_PORT_MODE;
ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
DA9052_GPIO_0_1_REG,
DA9052_GPIO_ODD_PORT_MODE,
- register_value);
+ value << DA9052_GPIO_ODD_SHIFT);
if (ret != 0)
dev_err(gpio->da9052->dev,
"Failed to updated gpio odd reg,%d",
ret);
- }
} else {
- if (value) {
- register_value = DA9052_GPIO_EVEN_PORT_MODE;
ret = da9052_reg_update(gpio->da9052, (offset >> 1) +
DA9052_GPIO_0_1_REG,
DA9052_GPIO_EVEN_PORT_MODE,
- register_value);
+ value << DA9052_GPIO_EVEN_SHIFT);
if (ret != 0)
dev_err(gpio->da9052->dev,
"Failed to updated gpio even reg,%d",
ret);
- }
}
}
@@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = {
.direction_input = da9052_gpio_direction_input,
.direction_output = da9052_gpio_direction_output,
.to_irq = da9052_gpio_to_irq,
- .can_sleep = 1;
- .ngpio = 16;
- .base = -1;
+ .can_sleep = 1,
+ .ngpio = 16,
+ .base = -1,
};
static int __devinit da9052_gpio_probe(struct platform_device *pdev)
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e73869250..461958fc2264 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d)
&chip->reg->regs[chip->ch].imask);
}
+static void ioh_irq_disable(struct irq_data *d)
+{
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct ioh_gpio *chip = gc->private;
+ unsigned long flags;
+ u32 ien;
+
+ spin_lock_irqsave(&chip->spinlock, flags);
+ ien = ioread32(&chip->reg->regs[chip->ch].ien);
+ ien &= ~(1 << (d->irq - chip->irq_base));
+ iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+ spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
+static void ioh_irq_enable(struct irq_data *d)
+{
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct ioh_gpio *chip = gc->private;
+ unsigned long flags;
+ u32 ien;
+
+ spin_lock_irqsave(&chip->spinlock, flags);
+ ien = ioread32(&chip->reg->regs[chip->ch].ien);
+ ien |= 1 << (d->irq - chip->irq_base);
+ iowrite32(ien, &chip->reg->regs[chip->ch].ien);
+ spin_unlock_irqrestore(&chip->spinlock, flags);
+}
+
static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
{
struct ioh_gpio *chip = dev_id;
@@ -339,7 +367,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
int i, j;
int ret = IRQ_NONE;
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 8; i++, chip++) {
reg_val = ioread32(&chip->reg->regs[i].istatus);
for (j = 0; j < num_ports[i]; j++) {
if (reg_val & BIT(j)) {
@@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip,
ct->chip.irq_mask = ioh_irq_mask;
ct->chip.irq_unmask = ioh_irq_unmask;
ct->chip.irq_set_type = ioh_irq_type;
+ ct->chip.irq_disable = ioh_irq_disable;
+ ct->chip.irq_enable = ioh_irq_enable;
irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE,
IRQ_NOREQUEST | IRQ_NOPROBE, 0);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index ec3fcf0a7e12..5cd04b65c556 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -132,6 +132,15 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val
return 0;
}
+static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+ /* GPIO 28..31 are input only on MPC5121 */
+ if (gpio >= 28)
+ return -EINVAL;
+
+ return mpc8xxx_gpio_dir_out(gc, gpio, val);
+}
+
static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
@@ -340,11 +349,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
mm_gc->save_regs = mpc8xxx_gpio_save_regs;
gc->ngpio = MPC8XXX_GPIO_PINS;
gc->direction_input = mpc8xxx_gpio_dir_in;
- gc->direction_output = mpc8xxx_gpio_dir_out;
- if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
- gc->get = mpc8572_gpio_get;
- else
- gc->get = mpc8xxx_gpio_get;
+ gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ?
+ mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out;
+ gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ?
+ mpc8572_gpio_get : mpc8xxx_gpio_get;
gc->set = mpc8xxx_gpio_set;
gc->to_irq = mpc8xxx_gpio_to_irq;
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 093c90bd3c1d..4102f63230fd 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -238,10 +238,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id)
int ret, irq, i;
static DECLARE_BITMAP(init_irq, NR_IRQS);
- pdata = dev->dev.platform_data;
- if (pdata == NULL)
- return -ENODEV;
-
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d09a6e02dc95..004b048c5192 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -62,6 +62,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
const struct intel_device_info *info = INTEL_INFO(dev);
seq_printf(m, "gen: %d\n", info->gen);
+ seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev));
#define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
B(is_mobile);
B(is_i85x);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a9533c54c93c..a9ae374861e7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1454,6 +1454,14 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
diff1 = now - dev_priv->last_time1;
+ /* Prevent division-by-zero if we are asking too fast.
+ * Also, we don't get interesting results if we are polling
+ * faster than once in 10ms, so just return the saved value
+ * in such cases.
+ */
+ if (diff1 <= 10)
+ return dev_priv->chipset_power;
+
count1 = I915_READ(DMIEC);
count2 = I915_READ(DDREC);
count3 = I915_READ(CSIEC);
@@ -1484,6 +1492,8 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
dev_priv->last_count1 = total_count;
dev_priv->last_time1 = now;
+ dev_priv->chipset_power = ret;
+
return ret;
}
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 15bfa9145d2b..a1103fc6597d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -58,15 +58,15 @@ module_param_named(powersave, i915_powersave, int, 0600);
MODULE_PARM_DESC(powersave,
"Enable powersavings, fbc, downclocking, etc. (default: true)");
-unsigned int i915_semaphores __read_mostly = 0;
+int i915_semaphores __read_mostly = -1;
module_param_named(semaphores, i915_semaphores, int, 0600);
MODULE_PARM_DESC(semaphores,
- "Use semaphores for inter-ring sync (default: false)");
+ "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
-unsigned int i915_enable_rc6 __read_mostly = 0;
+int i915_enable_rc6 __read_mostly = -1;
module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
MODULE_PARM_DESC(i915_enable_rc6,
- "Enable power-saving render C-state 6 (default: true)");
+ "Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
int i915_enable_fbc __read_mostly = -1;
module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
@@ -328,7 +328,7 @@ void intel_detect_pch(struct drm_device *dev)
}
}
-static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
{
int count;
@@ -344,6 +344,22 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
udelay(10);
}
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+ int count;
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+ udelay(10);
+
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+ POSTING_READ(FORCEWAKE_MT);
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+ udelay(10);
+}
+
/*
* Generally this is called implicitly by the register read function. However,
* if some sequence requires the GT to not power down then this function should
@@ -356,15 +372,21 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
/* Forcewake is atomic in case we get in here without the lock */
if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
- __gen6_gt_force_wake_get(dev_priv);
+ dev_priv->display.force_wake_get(dev_priv);
}
-static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE, 0);
POSTING_READ(FORCEWAKE);
}
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+ POSTING_READ(FORCEWAKE_MT);
+}
+
/*
* see gen6_gt_force_wake_get()
*/
@@ -373,7 +395,7 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
if (atomic_dec_and_test(&dev_priv->forcewake_count))
- __gen6_gt_force_wake_put(dev_priv);
+ dev_priv->display.force_wake_put(dev_priv);
}
void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
@@ -903,8 +925,9 @@ MODULE_LICENSE("GPL and additional rights");
/* We give fast paths for the really cool registers */
#define NEEDS_FORCE_WAKE(dev_priv, reg) \
(((dev_priv)->info->gen >= 6) && \
- ((reg) < 0x40000) && \
- ((reg) != FORCEWAKE))
+ ((reg) < 0x40000) && \
+ ((reg) != FORCEWAKE) && \
+ ((reg) != ECOBUS))
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4a9c1b979804..554bef7a3b9c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -107,6 +107,7 @@ struct opregion_header;
struct opregion_acpi;
struct opregion_swsci;
struct opregion_asle;
+struct drm_i915_private;
struct intel_opregion {
struct opregion_header *header;
@@ -221,6 +222,8 @@ struct drm_i915_display_funcs {
struct drm_i915_gem_object *obj);
int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
int x, int y);
+ void (*force_wake_get)(struct drm_i915_private *dev_priv);
+ void (*force_wake_put)(struct drm_i915_private *dev_priv);
/* clock updates for mode set */
/* cursor updates */
/* render clock increase/decrease */
@@ -710,6 +713,7 @@ typedef struct drm_i915_private {
u64 last_count1;
unsigned long last_time1;
+ unsigned long chipset_power;
u64 last_count2;
struct timespec last_time2;
unsigned long gfx_power;
@@ -998,11 +1002,11 @@ extern int i915_max_ioctl;
extern unsigned int i915_fbpercrtc __always_unused;
extern int i915_panel_ignore_lid __read_mostly;
extern unsigned int i915_powersave __read_mostly;
-extern unsigned int i915_semaphores __read_mostly;
+extern int i915_semaphores __read_mostly;
extern unsigned int i915_lvds_downclock __read_mostly;
extern int i915_panel_use_ssc __read_mostly;
extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern unsigned int i915_enable_rc6 __read_mostly;
+extern int i915_enable_rc6 __read_mostly;
extern int i915_enable_fbc __read_mostly;
extern bool i915_enable_hangcheck __read_mostly;
@@ -1308,6 +1312,11 @@ extern void gen6_set_rps(struct drm_device *dev, u8 val);
extern void intel_detect_pch(struct drm_device *dev);
extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
+extern void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+extern void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv);
+
/* overlay */
#ifdef CONFIG_DEBUG_FS
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
@@ -1352,8 +1361,9 @@ void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
/* We give fast paths for the really cool registers */
#define NEEDS_FORCE_WAKE(dev_priv, reg) \
(((dev_priv)->info->gen >= 6) && \
- ((reg) < 0x40000) && \
- ((reg) != FORCEWAKE))
+ ((reg) < 0x40000) && \
+ ((reg) != FORCEWAKE) && \
+ ((reg) != ECOBUS))
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3693e83a97f3..c681dc149d2a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -32,6 +32,7 @@
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_drv.h"
+#include <linux/dma_remapping.h>
struct change_domains {
uint32_t invalidate_domains;
@@ -746,6 +747,22 @@ i915_gem_execbuffer_flush(struct drm_device *dev,
return 0;
}
+static bool
+intel_enable_semaphores(struct drm_device *dev)
+{
+ if (INTEL_INFO(dev)->gen < 6)
+ return 0;
+
+ if (i915_semaphores >= 0)
+ return i915_semaphores;
+
+ /* Enable semaphores on SNB when IO remapping is off */
+ if (INTEL_INFO(dev)->gen == 6)
+ return !intel_iommu_enabled;
+
+ return 1;
+}
+
static int
i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *to)
@@ -758,7 +775,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
return 0;
/* XXX gpu semaphores are implicated in various hard hangs on SNB */
- if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
+ if (!intel_enable_semaphores(obj->base.dev))
return i915_gem_object_wait_rendering(obj);
idx = intel_ring_sync_index(from, to);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b080cc824001..a26d5b0a3690 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3303,10 +3303,10 @@
/* or SDVOB */
#define HDMIB 0xe1140
#define PORT_ENABLE (1 << 31)
-#define TRANSCODER_A (0)
-#define TRANSCODER_B (1 << 30)
-#define TRANSCODER(pipe) ((pipe) << 30)
-#define TRANSCODER_MASK (1 << 30)
+#define TRANSCODER(pipe) ((pipe) << 30)
+#define TRANSCODER_CPT(pipe) ((pipe) << 29)
+#define TRANSCODER_MASK (1 << 30)
+#define TRANSCODER_MASK_CPT (3 << 29)
#define COLOR_FORMAT_8bpc (0)
#define COLOR_FORMAT_12bpc (3 << 26)
#define SDVOB_HOTPLUG_ENABLE (1 << 23)
@@ -3447,8 +3447,30 @@
#define EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B (0x38<<22)
#define EDP_LINK_TRAIN_VOL_EMP_MASK_SNB (0x3f<<22)
+/* IVB */
+#define EDP_LINK_TRAIN_400MV_0DB_IVB (0x24 <<22)
+#define EDP_LINK_TRAIN_400MV_3_5DB_IVB (0x2a <<22)
+#define EDP_LINK_TRAIN_400MV_6DB_IVB (0x2f <<22)
+#define EDP_LINK_TRAIN_600MV_0DB_IVB (0x30 <<22)
+#define EDP_LINK_TRAIN_600MV_3_5DB_IVB (0x36 <<22)
+#define EDP_LINK_TRAIN_800MV_0DB_IVB (0x38 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x33 <<22)
+
+/* legacy values */
+#define EDP_LINK_TRAIN_500MV_0DB_IVB (0x00 <<22)
+#define EDP_LINK_TRAIN_1000MV_0DB_IVB (0x20 <<22)
+#define EDP_LINK_TRAIN_500MV_3_5DB_IVB (0x02 <<22)
+#define EDP_LINK_TRAIN_1000MV_3_5DB_IVB (0x22 <<22)
+#define EDP_LINK_TRAIN_1000MV_6DB_IVB (0x23 <<22)
+
+#define EDP_LINK_TRAIN_VOL_EMP_MASK_IVB (0x3f<<22)
+
#define FORCEWAKE 0xA18C
#define FORCEWAKE_ACK 0x130090
+#define FORCEWAKE_MT 0xa188 /* multi-threaded */
+#define FORCEWAKE_MT_ACK 0x130040
+#define ECOBUS 0xa180
+#define FORCEWAKE_MT_ENABLE (1<<5)
#define GT_FIFO_FREE_ENTRIES 0x120008
#define GT_FIFO_NUM_RESERVED_ENTRIES 20
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e77a863a3833..d809b038ca88 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -38,8 +38,8 @@
#include "i915_drv.h"
#include "i915_trace.h"
#include "drm_dp_helper.h"
-
#include "drm_crtc_helper.h"
+#include <linux/dma_remapping.h>
#define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
@@ -4670,6 +4670,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
/**
* intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send
* @crtc: CRTC structure
+ * @mode: requested mode
*
* A pipe may be connected to one or more outputs. Based on the depth of the
* attached framebuffer, choose a good color depth to use on the pipe.
@@ -4681,13 +4682,15 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
* HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc
* Displays may support a restricted set as well, check EDID and clamp as
* appropriate.
+ * DP may want to dither down to 6bpc to fit larger modes
*
* RETURNS:
* Dithering requirement (i.e. false if display bpc and pipe bpc match,
* true if they don't match).
*/
static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
- unsigned int *pipe_bpp)
+ unsigned int *pipe_bpp,
+ struct drm_display_mode *mode)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4758,6 +4761,11 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
}
}
+ if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ DRM_DEBUG_KMS("Dithering DP to 6bpc\n");
+ display_bpc = 6;
+ }
+
/*
* We could just drive the pipe at the highest bpc all the time and
* enable dithering as needed, but that costs bandwidth. So choose
@@ -5019,6 +5027,16 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
pipeconf &= ~PIPECONF_DOUBLE_WIDE;
}
+ /* default to 8bpc */
+ pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+ if (is_dp) {
+ if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ pipeconf |= PIPECONF_BPP_6 |
+ PIPECONF_DITHER_EN |
+ PIPECONF_DITHER_TYPE_SP;
+ }
+ }
+
dpll |= DPLL_VCO_ENABLE;
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
@@ -5480,7 +5498,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
/* determine panel color depth */
temp = I915_READ(PIPECONF(pipe));
temp &= ~PIPE_BPC_MASK;
- dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp);
+ dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
switch (pipe_bpp) {
case 18:
temp |= PIPE_6BPC;
@@ -7189,11 +7207,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
work->old_fb_obj = intel_fb->obj;
INIT_WORK(&work->work, intel_unpin_work_fn);
+ ret = drm_vblank_get(dev, intel_crtc->pipe);
+ if (ret)
+ goto free_work;
+
/* We borrow the event spin lock for protecting unpin_work */
spin_lock_irqsave(&dev->event_lock, flags);
if (intel_crtc->unpin_work) {
spin_unlock_irqrestore(&dev->event_lock, flags);
kfree(work);
+ drm_vblank_put(dev, intel_crtc->pipe);
DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
return -EBUSY;
@@ -7212,10 +7235,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
crtc->fb = fb;
- ret = drm_vblank_get(dev, intel_crtc->pipe);
- if (ret)
- goto cleanup_objs;
-
work->pending_flip_obj = obj;
work->enable_stall_check = true;
@@ -7238,7 +7257,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
cleanup_pending:
atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
-cleanup_objs:
drm_gem_object_unreference(&work->old_fb_obj->base);
drm_gem_object_unreference(&obj->base);
mutex_unlock(&dev->struct_mutex);
@@ -7247,6 +7265,8 @@ cleanup_objs:
intel_crtc->unpin_work = NULL;
spin_unlock_irqrestore(&dev->event_lock, flags);
+ drm_vblank_put(dev, intel_crtc->pipe);
+free_work:
kfree(work);
return ret;
@@ -7887,6 +7907,33 @@ void intel_init_emon(struct drm_device *dev)
dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK);
}
+static bool intel_enable_rc6(struct drm_device *dev)
+{
+ /*
+ * Respect the kernel parameter if it is set
+ */
+ if (i915_enable_rc6 >= 0)
+ return i915_enable_rc6;
+
+ /*
+ * Disable RC6 on Ironlake
+ */
+ if (INTEL_INFO(dev)->gen == 5)
+ return 0;
+
+ /*
+ * Enable rc6 on Sandybridge if DMA remapping is disabled
+ */
+ if (INTEL_INFO(dev)->gen == 6) {
+ DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n",
+ intel_iommu_enabled ? "true" : "false",
+ !intel_iommu_enabled ? "en" : "dis");
+ return !intel_iommu_enabled;
+ }
+ DRM_DEBUG_DRIVER("RC6 enabled\n");
+ return 1;
+}
+
void gen6_enable_rps(struct drm_i915_private *dev_priv)
{
u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
@@ -7923,7 +7970,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
- if (i915_enable_rc6)
+ if (intel_enable_rc6(dev_priv->dev))
rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
GEN6_RC_CTL_RC6_ENABLE;
@@ -8372,7 +8419,7 @@ void ironlake_enable_rc6(struct drm_device *dev)
/* rc6 disabled by default due to repeated reports of hanging during
* boot and resume.
*/
- if (!i915_enable_rc6)
+ if (!intel_enable_rc6(dev))
return;
mutex_lock(&dev->struct_mutex);
@@ -8491,6 +8538,28 @@ static void intel_init_display(struct drm_device *dev)
/* For FIFO watermark updates */
if (HAS_PCH_SPLIT(dev)) {
+ dev_priv->display.force_wake_get = __gen6_gt_force_wake_get;
+ dev_priv->display.force_wake_put = __gen6_gt_force_wake_put;
+
+ /* IVB configs may use multi-threaded forcewake */
+ if (IS_IVYBRIDGE(dev)) {
+ u32 ecobus;
+
+ mutex_lock(&dev->struct_mutex);
+ __gen6_gt_force_wake_mt_get(dev_priv);
+ ecobus = I915_READ(ECOBUS);
+ __gen6_gt_force_wake_mt_put(dev_priv);
+ mutex_unlock(&dev->struct_mutex);
+
+ if (ecobus & FORCEWAKE_MT_ENABLE) {
+ DRM_DEBUG_KMS("Using MT version of forcewake\n");
+ dev_priv->display.force_wake_get =
+ __gen6_gt_force_wake_mt_get;
+ dev_priv->display.force_wake_put =
+ __gen6_gt_force_wake_mt_put;
+ }
+ }
+
if (HAS_PCH_IBX(dev))
dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating;
else if (HAS_PCH_CPT(dev))
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4d0358fad937..92b041b66e49 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -208,13 +208,15 @@ intel_dp_link_clock(uint8_t link_bw)
*/
static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock)
+intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
{
struct drm_crtc *crtc = intel_dp->base.base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int bpp = 24;
- if (intel_crtc)
+ if (check_bpp)
+ bpp = check_bpp;
+ else if (intel_crtc)
bpp = intel_crtc->bpp;
return (pixel_clock * bpp + 9) / 10;
@@ -233,6 +235,7 @@ intel_dp_mode_valid(struct drm_connector *connector,
struct intel_dp *intel_dp = intel_attached_dp(connector);
int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
int max_lanes = intel_dp_max_lane_count(intel_dp);
+ int max_rate, mode_rate;
if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
@@ -242,9 +245,17 @@ intel_dp_mode_valid(struct drm_connector *connector,
return MODE_PANEL;
}
- if (intel_dp_link_required(intel_dp, mode->clock)
- > intel_dp_max_data_rate(max_link_clock, max_lanes))
- return MODE_CLOCK_HIGH;
+ mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
+ max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+
+ if (mode_rate > max_rate) {
+ mode_rate = intel_dp_link_required(intel_dp,
+ mode->clock, 18);
+ if (mode_rate > max_rate)
+ return MODE_CLOCK_HIGH;
+ else
+ mode->private_flags |= INTEL_MODE_DP_FORCE_6BPC;
+ }
if (mode->clock < 10000)
return MODE_CLOCK_LOW;
@@ -362,8 +373,8 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
* clock divider.
*/
if (is_cpu_edp(intel_dp)) {
- if (IS_GEN6(dev))
- aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
+ if (IS_GEN6(dev) || IS_GEN7(dev))
+ aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
else
aux_clock_divider = 225; /* eDP input clock at 450Mhz */
} else if (HAS_PCH_SPLIT(dev))
@@ -672,6 +683,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
int lane_count, clock;
int max_lane_count = intel_dp_max_lane_count(intel_dp);
int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
+ int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -689,7 +701,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
for (clock = 0; clock <= max_clock; clock++) {
int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
- if (intel_dp_link_required(intel_dp, mode->clock)
+ if (intel_dp_link_required(intel_dp, mode->clock, bpp)
<= link_avail) {
intel_dp->link_bw = bws[clock];
intel_dp->lane_count = lane_count;
@@ -817,10 +829,11 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
}
/*
- * There are three kinds of DP registers:
+ * There are four kinds of DP registers:
*
* IBX PCH
- * CPU
+ * SNB CPU
+ * IVB CPU
* CPT PCH
*
* IBX PCH and CPU are the same for almost everything,
@@ -873,7 +886,25 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
/* Split out the IBX/CPU vs CPT settings */
- if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+ if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ intel_dp->DP |= DP_SYNC_HS_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ intel_dp->DP |= DP_SYNC_VS_HIGH;
+ intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
+
+ if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+ intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+ intel_dp->DP |= intel_crtc->pipe << 29;
+
+ /* don't miss out required setting for eDP */
+ intel_dp->DP |= DP_PLL_ENABLE;
+ if (adjusted_mode->clock < 200000)
+ intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+ else
+ intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+ } else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
intel_dp->DP |= intel_dp->color_range;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -1375,34 +1406,59 @@ static char *link_train_names[] = {
* These are source-specific values; current Intel hardware supports
* a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
*/
-#define I830_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_800
-#define I830_DP_VOLTAGE_MAX_CPT DP_TRAIN_VOLTAGE_SWING_1200
static uint8_t
-intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+intel_dp_voltage_max(struct intel_dp *intel_dp)
{
- switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
- case DP_TRAIN_VOLTAGE_SWING_400:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_600:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_800:
- return DP_TRAIN_PRE_EMPHASIS_3_5;
- case DP_TRAIN_VOLTAGE_SWING_1200:
- default:
- return DP_TRAIN_PRE_EMPHASIS_0;
+ struct drm_device *dev = intel_dp->base.base.dev;
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp))
+ return DP_TRAIN_VOLTAGE_SWING_800;
+ else if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ return DP_TRAIN_VOLTAGE_SWING_1200;
+ else
+ return DP_TRAIN_VOLTAGE_SWING_800;
+}
+
+static uint8_t
+intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing)
+{
+ struct drm_device *dev = intel_dp->base.base.dev;
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+ case DP_TRAIN_VOLTAGE_SWING_400:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_600:
+ case DP_TRAIN_VOLTAGE_SWING_800:
+ return DP_TRAIN_PRE_EMPHASIS_3_5;
+ default:
+ return DP_TRAIN_PRE_EMPHASIS_0;
+ }
+ } else {
+ switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+ case DP_TRAIN_VOLTAGE_SWING_400:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_600:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_800:
+ return DP_TRAIN_PRE_EMPHASIS_3_5;
+ case DP_TRAIN_VOLTAGE_SWING_1200:
+ default:
+ return DP_TRAIN_PRE_EMPHASIS_0;
+ }
}
}
static void
intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
{
- struct drm_device *dev = intel_dp->base.base.dev;
uint8_t v = 0;
uint8_t p = 0;
int lane;
uint8_t *adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
- int voltage_max;
+ uint8_t voltage_max;
+ uint8_t preemph_max;
for (lane = 0; lane < intel_dp->lane_count; lane++) {
uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
@@ -1414,15 +1470,13 @@ intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_ST
p = this_p;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
- voltage_max = I830_DP_VOLTAGE_MAX_CPT;
- else
- voltage_max = I830_DP_VOLTAGE_MAX;
+ voltage_max = intel_dp_voltage_max(intel_dp);
if (v >= voltage_max)
v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
- if (p >= intel_dp_pre_emphasis_max(v))
- p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+ preemph_max = intel_dp_pre_emphasis_max(intel_dp, v);
+ if (p >= preemph_max)
+ p = preemph_max | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
for (lane = 0; lane < 4; lane++)
intel_dp->train_set[lane] = v | p;
@@ -1494,6 +1548,37 @@ intel_gen6_edp_signal_levels(uint8_t train_set)
}
}
+/* Gen7's DP voltage swing and pre-emphasis control */
+static uint32_t
+intel_gen7_edp_signal_levels(uint8_t train_set)
+{
+ int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+ DP_TRAIN_PRE_EMPHASIS_MASK);
+ switch (signal_levels) {
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_400MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_400MV_3_5DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
+ return EDP_LINK_TRAIN_400MV_6DB_IVB;
+
+ case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_600MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_600MV_3_5DB_IVB;
+
+ case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
+ return EDP_LINK_TRAIN_800MV_0DB_IVB;
+ case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
+ return EDP_LINK_TRAIN_800MV_3_5DB_IVB;
+
+ default:
+ DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
+ "0x%x\n", signal_levels);
+ return EDP_LINK_TRAIN_500MV_0DB_IVB;
+ }
+}
+
static uint8_t
intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane)
@@ -1599,7 +1684,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
DP_LINK_CONFIGURATION_SIZE);
DP |= DP_PORT_EN;
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
DP &= ~DP_LINK_TRAIN_MASK_CPT;
else
DP &= ~DP_LINK_TRAIN_MASK;
@@ -1613,7 +1699,11 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
uint8_t link_status[DP_LINK_STATUS_SIZE];
uint32_t signal_levels;
- if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+ DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+ } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
@@ -1622,7 +1712,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
else
reg = DP | DP_LINK_TRAIN_PAT_1;
@@ -1703,7 +1793,10 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
break;
}
- if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
+ if (IS_GEN7(dev) && is_cpu_edp(intel_dp)) {
+ signal_levels = intel_gen7_edp_signal_levels(intel_dp->train_set[0]);
+ DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB) | signal_levels;
+ } else if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
} else {
@@ -1711,7 +1804,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
else
reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1752,7 +1845,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
++tries;
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
reg = DP | DP_LINK_TRAIN_OFF_CPT;
else
reg = DP | DP_LINK_TRAIN_OFF;
@@ -1782,7 +1875,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
udelay(100);
}
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) {
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp))) {
DP &= ~DP_LINK_TRAIN_MASK_CPT;
I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
} else {
@@ -1794,7 +1887,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
msleep(17);
if (is_edp(intel_dp)) {
- if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+ if (HAS_PCH_CPT(dev) && (IS_GEN7(dev) || !is_cpu_edp(intel_dp)))
DP |= DP_LINK_TRAIN_OFF_CPT;
else
DP |= DP_LINK_TRAIN_OFF;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bd9a604b73da..a1b4343814e8 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -110,6 +110,7 @@
/* drm_display_mode->private_flags */
#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+#define INTEL_MODE_DP_FORCE_6BPC (0x10)
static inline void
intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 42f165a520de..e44191132ac4 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -715,6 +715,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Asus AT5NM10T-I",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
+ },
+ },
{ } /* terminating entry */
};
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 21f60b7d69a3..04d79fd1dc9d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -178,13 +178,10 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
if (HAS_PCH_SPLIT(dev)) {
max >>= 16;
} else {
- if (IS_PINEVIEW(dev)) {
+ if (INTEL_INFO(dev)->gen < 4)
max >>= 17;
- } else {
+ else
max >>= 16;
- if (INTEL_INFO(dev)->gen < 4)
- max &= ~1;
- }
if (is_backlight_combination_mode(dev))
max *= 0xff;
@@ -203,13 +200,12 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
} else {
val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
- if (IS_PINEVIEW(dev))
+ if (INTEL_INFO(dev)->gen < 4)
val >>= 1;
if (is_backlight_combination_mode(dev)) {
u8 lbpc;
- val &= ~1;
pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
val *= lbpc;
}
@@ -246,11 +242,9 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
}
tmp = I915_READ(BLC_PWM_CTL);
- if (IS_PINEVIEW(dev)) {
- tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1);
+ if (INTEL_INFO(dev)->gen < 4)
level <<= 1;
- } else
- tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+ tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
I915_WRITE(BLC_PWM_CTL, tmp | level);
}
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 3003fb25aefd..f7b9268df266 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -50,6 +50,7 @@
#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
static const char *tv_format_names[] = {
@@ -1086,8 +1087,12 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
}
sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
}
- if (intel_crtc->pipe == 1)
- sdvox |= SDVO_PIPE_B_SELECT;
+
+ if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+ sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
+ else
+ sdvox |= TRANSCODER(intel_crtc->pipe);
+
if (intel_sdvo->has_hdmi_audio)
sdvox |= SDVO_AUDIO_ENABLE;
@@ -1314,6 +1319,18 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
return status;
}
+static bool
+intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
+ struct edid *edid)
+{
+ bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+ bool connector_is_digital = !!IS_DIGITAL(sdvo);
+
+ DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
+ connector_is_digital, monitor_is_digital);
+ return connector_is_digital == monitor_is_digital;
+}
+
static enum drm_connector_status
intel_sdvo_detect(struct drm_connector *connector, bool force)
{
@@ -1358,10 +1375,12 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
if (edid == NULL)
edid = intel_sdvo_get_analog_edid(connector);
if (edid != NULL) {
- if (edid->input & DRM_EDID_INPUT_DIGITAL)
- ret = connector_status_disconnected;
- else
+ if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
+ edid))
ret = connector_status_connected;
+ else
+ ret = connector_status_disconnected;
+
connector->display_info.raw_edid = NULL;
kfree(edid);
} else
@@ -1402,11 +1421,8 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
edid = intel_sdvo_get_analog_edid(connector);
if (edid != NULL) {
- struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
- bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
- bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
-
- if (connector_is_digital == monitor_is_digital) {
+ if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
+ edid)) {
drm_mode_connector_update_edid_property(connector, edid);
drm_add_edid_modes(connector, edid);
}
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 06e413e6a920..4b27efa4405b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -233,13 +233,12 @@ u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_TRAVIS:
case ENCODER_OBJECT_ID_NUTMEG:
- return true;
+ return radeon_encoder->encoder_id;
default:
- return false;
+ return ENCODER_OBJECT_ID_NONE;
}
}
-
- return false;
+ return ENCODER_OBJECT_ID_NONE;
}
void radeon_panel_mode_fixup(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 3f6343502d1f..5ff561d4e0b4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -140,7 +140,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
goto out_clips;
}
- clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+ clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
if (clips == NULL) {
DRM_ERROR("Failed to allocate clip rect list.\n");
ret = -ENOMEM;
@@ -232,7 +232,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
goto out_clips;
}
- clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
+ clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL);
if (clips == NULL) {
DRM_ERROR("Failed to allocate clip rect list.\n");
ret = -ENOMEM;
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 7a48b1eb4233..5253d23361d9 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
{
struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
struct completion *completion = &hwmon->read_completion;
- unsigned long t;
+ long t;
unsigned long val;
int ret;
@@ -203,7 +203,7 @@ static int __devexit jz4740_hwmon_remove(struct platform_device *pdev)
return 0;
}
-struct platform_driver jz4740_hwmon_driver = {
+static struct platform_driver jz4740_hwmon_driver = {
.probe = jz4740_hwmon_probe,
.remove = __devexit_p(jz4740_hwmon_remove),
.driver = {
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c0c7820d4c46..bdc447fd4766 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -405,6 +405,9 @@ int dmar_disabled = 0;
int dmar_disabled = 1;
#endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
+
static int dmar_map_gfx = 1;
static int dmar_forcedac;
static int intel_iommu_strict;
@@ -3524,7 +3527,7 @@ found:
return 0;
}
-int dmar_parse_rmrr_atsr_dev(void)
+int __init dmar_parse_rmrr_atsr_dev(void)
{
struct dmar_rmrr_unit *rmrr, *rmrr_n;
struct dmar_atsr_unit *atsr, *atsr_n;
@@ -3647,6 +3650,8 @@ int __init intel_iommu_init(void)
bus_register_notifier(&pci_bus_type, &device_nb);
+ intel_iommu_enabled = 1;
+
return 0;
}
diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 07c9f189f314..6777ca049471 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -773,7 +773,7 @@ int __init parse_ioapics_under_ir(void)
return ir_supported;
}
-int ir_dev_scope_init(void)
+int __init ir_dev_scope_init(void)
{
if (!intr_remapping_enabled)
return 0;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7878712721bf..b6907118283a 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap)
*/
int i;
+ spin_lock_irq(&bitmap->lock);
for (i = 0; i < bitmap->file_pages; i++)
set_page_attr(bitmap, bitmap->filemap[i],
BITMAP_PAGE_NEEDWRITE);
bitmap->allclean = 0;
+ spin_unlock_irq(&bitmap->lock);
}
static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc)
@@ -1605,7 +1607,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
for (chunk = s; chunk <= e; chunk++) {
sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap);
bitmap_set_memory_bits(bitmap, sec, 1);
+ spin_lock_irq(&bitmap->lock);
bitmap_file_set_bit(bitmap, sec);
+ spin_unlock_irq(&bitmap->lock);
if (sec < bitmap->mddev->recovery_cp)
/* We are asserting that the array is dirty,
* so move the recovery_cp address back so
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 84acfe7d10e4..ee981737edfc 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -570,7 +570,7 @@ static void mddev_put(struct mddev *mddev)
mddev->ctime == 0 && !mddev->hold_active) {
/* Array is not configured at all, and not held active,
* so destroy it */
- list_del(&mddev->all_mddevs);
+ list_del_init(&mddev->all_mddevs);
bs = mddev->bio_set;
mddev->bio_set = NULL;
if (mddev->gendisk) {
@@ -2546,7 +2546,8 @@ state_show(struct md_rdev *rdev, char *page)
sep = ",";
}
if (test_bit(Blocked, &rdev->flags) ||
- rdev->badblocks.unacked_exist) {
+ (rdev->badblocks.unacked_exist
+ && !test_bit(Faulty, &rdev->flags))) {
len += sprintf(page+len, "%sblocked", sep);
sep = ",";
}
@@ -3788,6 +3789,8 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
if (err)
return err;
else {
+ if (mddev->hold_active == UNTIL_IOCTL)
+ mddev->hold_active = 0;
sysfs_notify_dirent_safe(mddev->sysfs_state);
return len;
}
@@ -4487,11 +4490,20 @@ md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
if (!entry->show)
return -EIO;
+ spin_lock(&all_mddevs_lock);
+ if (list_empty(&mddev->all_mddevs)) {
+ spin_unlock(&all_mddevs_lock);
+ return -EBUSY;
+ }
+ mddev_get(mddev);
+ spin_unlock(&all_mddevs_lock);
+
rv = mddev_lock(mddev);
if (!rv) {
rv = entry->show(mddev, page);
mddev_unlock(mddev);
}
+ mddev_put(mddev);
return rv;
}
@@ -4507,13 +4519,19 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
return -EIO;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
+ spin_lock(&all_mddevs_lock);
+ if (list_empty(&mddev->all_mddevs)) {
+ spin_unlock(&all_mddevs_lock);
+ return -EBUSY;
+ }
+ mddev_get(mddev);
+ spin_unlock(&all_mddevs_lock);
rv = mddev_lock(mddev);
- if (mddev->hold_active == UNTIL_IOCTL)
- mddev->hold_active = 0;
if (!rv) {
rv = entry->store(mddev, page, length);
mddev_unlock(mddev);
}
+ mddev_put(mddev);
return rv;
}
@@ -7840,6 +7858,7 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
s + rdev->data_offset, sectors, acknowledged);
if (rv) {
/* Make sure they get written out promptly */
+ sysfs_notify_dirent_safe(rdev->sysfs_state);
set_bit(MD_CHANGE_CLEAN, &rdev->mddev->flags);
md_wakeup_thread(rdev->mddev->thread);
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 297e26092178..31670f8d6b65 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3036,6 +3036,8 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
if (dev->written)
s->written++;
rdev = rcu_dereference(conf->disks[i].rdev);
+ if (rdev && test_bit(Faulty, &rdev->flags))
+ rdev = NULL;
if (rdev) {
is_bad = is_badblock(rdev, sh->sector, STRIPE_SECTORS,
&first_bad, &bad_sectors);
@@ -3063,12 +3065,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
}
} else if (test_bit(In_sync, &rdev->flags))
set_bit(R5_Insync, &dev->flags);
- else if (!test_bit(Faulty, &rdev->flags)) {
+ else {
/* in sync if before recovery_offset */
if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
set_bit(R5_Insync, &dev->flags);
}
- if (test_bit(R5_WriteError, &dev->flags)) {
+ if (rdev && test_bit(R5_WriteError, &dev->flags)) {
clear_bit(R5_Insync, &dev->flags);
if (!test_bit(Faulty, &rdev->flags)) {
s->handle_bad_blocks = 1;
@@ -3076,7 +3078,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
} else
clear_bit(R5_WriteError, &dev->flags);
}
- if (test_bit(R5_MadeGood, &dev->flags)) {
+ if (rdev && test_bit(R5_MadeGood, &dev->flags)) {
if (!test_bit(Faulty, &rdev->flags)) {
s->handle_bad_blocks = 1;
atomic_inc(&rdev->nr_pending);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a1cb21f95302..1e0e27cbe987 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1606,6 +1606,14 @@ static const struct mmc_fixup blk_fixups[] =
MMC_QUIRK_BLK_NO_CMD23),
MMC_FIXUP("MMC32G", 0x11, CID_OEMID_ANY, add_quirk_mmc,
MMC_QUIRK_BLK_NO_CMD23),
+
+ /*
+ * Some Micron MMC cards needs longer data read timeout than
+ * indicated in CSD.
+ */
+ MMC_FIXUP(CID_NAME_ANY, 0x13, 0x200, add_quirk_mmc,
+ MMC_QUIRK_LONG_READ_TIME),
+
END_FIXUP
};
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5278ffb20e74..950b97d7412a 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -529,6 +529,18 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
data->timeout_clks = 0;
}
}
+
+ /*
+ * Some cards require longer data read timeout than indicated in CSD.
+ * Address this by setting the read timeout to a "reasonably high"
+ * value. For the cards tested, 300ms has proven enough. If necessary,
+ * this value can be increased if other problematic cards require this.
+ */
+ if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
+ data->timeout_ns = 300000000;
+ data->timeout_clks = 0;
+ }
+
/*
* Some cards need very high timeouts if driven in SPI mode.
* The worst observed timeout was 900ms after writing a
@@ -1213,6 +1225,46 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type)
mmc_host_clk_release(host);
}
+static void mmc_poweroff_notify(struct mmc_host *host)
+{
+ struct mmc_card *card;
+ unsigned int timeout;
+ unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION;
+ int err = 0;
+
+ card = host->card;
+
+ /*
+ * Send power notify command only if card
+ * is mmc and notify state is powered ON
+ */
+ if (card && mmc_card_mmc(card) &&
+ (card->poweroff_notify_state == MMC_POWERED_ON)) {
+
+ if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
+ notify_type = EXT_CSD_POWER_OFF_SHORT;
+ timeout = card->ext_csd.generic_cmd6_time;
+ card->poweroff_notify_state = MMC_POWEROFF_SHORT;
+ } else {
+ notify_type = EXT_CSD_POWER_OFF_LONG;
+ timeout = card->ext_csd.power_off_longtime;
+ card->poweroff_notify_state = MMC_POWEROFF_LONG;
+ }
+
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_POWER_OFF_NOTIFICATION,
+ notify_type, timeout);
+
+ if (err && err != -EBADMSG)
+ pr_err("Device failed to respond within %d poweroff "
+ "time. Forcefully powering down the device\n",
+ timeout);
+
+ /* Set the card state to no notification after the poweroff */
+ card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
+ }
+}
+
/*
* Apply power to the MMC stack. This is a two-stage process.
* First, we enable power to the card without the clock running.
@@ -1269,42 +1321,12 @@ static void mmc_power_up(struct mmc_host *host)
void mmc_power_off(struct mmc_host *host)
{
- struct mmc_card *card;
- unsigned int notify_type;
- unsigned int timeout;
- int err;
-
mmc_host_clk_hold(host);
- card = host->card;
host->ios.clock = 0;
host->ios.vdd = 0;
- if (card && mmc_card_mmc(card) &&
- (card->poweroff_notify_state == MMC_POWERED_ON)) {
-
- if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) {
- notify_type = EXT_CSD_POWER_OFF_SHORT;
- timeout = card->ext_csd.generic_cmd6_time;
- card->poweroff_notify_state = MMC_POWEROFF_SHORT;
- } else {
- notify_type = EXT_CSD_POWER_OFF_LONG;
- timeout = card->ext_csd.power_off_longtime;
- card->poweroff_notify_state = MMC_POWEROFF_LONG;
- }
-
- err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_POWER_OFF_NOTIFICATION,
- notify_type, timeout);
-
- if (err && err != -EBADMSG)
- pr_err("Device failed to respond within %d poweroff "
- "time. Forcefully powering down the device\n",
- timeout);
-
- /* Set the card state to no notification after the poweroff */
- card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION;
- }
+ mmc_poweroff_notify(host);
/*
* Reset ocr mask to be the highest possible voltage supported for
@@ -2196,7 +2218,7 @@ int mmc_card_sleep(struct mmc_host *host)
mmc_bus_get(host);
- if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+ if (host->bus_ops && !host->bus_dead && host->bus_ops->sleep)
err = host->bus_ops->sleep(host);
mmc_bus_put(host);
@@ -2302,8 +2324,17 @@ int mmc_suspend_host(struct mmc_host *host)
* pre-claim the host.
*/
if (mmc_try_claim_host(host)) {
- if (host->bus_ops->suspend)
+ if (host->bus_ops->suspend) {
+ /*
+ * For eMMC 4.5 device send notify command
+ * before sleep, because in sleep state eMMC 4.5
+ * devices respond to only RESET and AWAKE cmd
+ */
+ mmc_poweroff_notify(host);
err = host->bus_ops->suspend(host);
+ }
+ mmc_do_release_host(host);
+
if (err == -ENOSYS || !host->bus_ops->resume) {
/*
* We simply "remove" the card in this case.
@@ -2318,7 +2349,6 @@ int mmc_suspend_host(struct mmc_host *host)
host->pm_flags = 0;
err = 0;
}
- mmc_do_release_host(host);
} else {
err = -EBUSY;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dbf421a6279c..d240427c1246 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -876,17 +876,21 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
* set the notification byte in the ext_csd register of device
*/
if ((host->caps2 & MMC_CAP2_POWEROFF_NOTIFY) &&
- (card->poweroff_notify_state == MMC_NO_POWER_NOTIFICATION)) {
+ (card->ext_csd.rev >= 6)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_POWER_OFF_NOTIFICATION,
EXT_CSD_POWER_ON,
card->ext_csd.generic_cmd6_time);
if (err && err != -EBADMSG)
goto free_card;
- }
- if (!err)
- card->poweroff_notify_state = MMC_POWERED_ON;
+ /*
+ * The err can be -EBADMSG or 0,
+ * so check for success and update the flag
+ */
+ if (!err)
+ card->poweroff_notify_state = MMC_POWERED_ON;
+ }
/*
* Activate high speed (if supported)
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 325ea61e12d3..8e0fbe994047 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -732,6 +732,7 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
"failed to config DMA channel. Falling back to PIO\n");
dma_release_channel(host->dma);
host->do_dma = 0;
+ host->dma = NULL;
}
}
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 101cd31c8220..d5fe43d53c51 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1010,6 +1010,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
host->data->sg_len,
omap_hsmmc_get_dma_dir(host, host->data));
omap_free_dma(dma_ch);
+ host->data->host_cookie = 0;
}
host->data = NULL;
}
@@ -1575,8 +1576,10 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
struct mmc_data *data = mrq->data;
if (host->use_dma) {
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- omap_hsmmc_get_dma_dir(host, data));
+ if (data->host_cookie)
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+ data->sg_len,
+ omap_hsmmc_get_dma_dir(host, data));
data->host_cookie = 0;
}
}
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 4b920b7621cf..87b6f079b6e0 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mmc/host.h>
+#include <linux/module.h>
#include <mach/cns3xxx.h>
#include "sdhci-pltfm.h"
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 3d00e722efc9..cb60c4197e0a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -644,8 +644,6 @@ static int sdhci_s3c_resume(struct platform_device *dev)
static struct platform_driver sdhci_s3c_driver = {
.probe = sdhci_s3c_probe,
.remove = __devexit_p(sdhci_s3c_remove),
- .suspend = sdhci_s3c_suspend,
- .resume = sdhci_s3c_resume,
.driver = {
.owner = THIS_MODULE,
.name = "s3c-sdhci",
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 369366c8e205..d5505f3fe2a1 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -908,7 +908,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->power) {
pm_runtime_put(&host->pd->dev);
host->power = false;
- if (p->down_pwr)
+ if (p->down_pwr && ios->power_mode == MMC_POWER_OFF)
p->down_pwr(host->pd);
}
host->state = STATE_IDLE;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index d85a60cda167..4208b3958069 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -798,7 +798,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
/* start bus clock */
tmio_mmc_clk_start(host);
} else if (ios->power_mode != MMC_POWER_UP) {
- if (host->set_pwr)
+ if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
host->set_pwr(host->pdev, 0);
if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
pdata->power) {
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 1124ce0a1594..c136230d50bb 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -232,6 +232,7 @@ struct fec_enet_private {
struct platform_device *pdev;
int opened;
+ int dev_id;
/* Phylib and MDIO interface */
struct mii_bus *mii_bus;
@@ -837,7 +838,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev)
/* Adjust MAC if using macaddr */
if (iap == macaddr)
- ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id;
+ ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->dev_id;
}
/* ------------------------------------------------------------------------- */
@@ -953,7 +954,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
char mdio_bus_id[MII_BUS_ID_SIZE];
char phy_name[MII_BUS_ID_SIZE + 3];
int phy_id;
- int dev_id = fep->pdev->id;
+ int dev_id = fep->dev_id;
fep->phy_dev = NULL;
@@ -1031,7 +1032,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
* mdio interface in board design, and need to be configured by
* fec0 mii_bus.
*/
- if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) {
+ if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
/* fec1 uses fec0 mii_bus */
fep->mii_bus = fec0_mii_bus;
return 0;
@@ -1063,7 +1064,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->read = fec_enet_mdio_read;
fep->mii_bus->write = fec_enet_mdio_write;
fep->mii_bus->reset = fec_enet_mdio_reset;
- snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id + 1);
+ snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%x", fep->dev_id + 1);
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;
@@ -1521,6 +1522,7 @@ fec_probe(struct platform_device *pdev)
int i, irq, ret = 0;
struct resource *r;
const struct of_device_id *of_id;
+ static int dev_id;
of_id = of_match_device(fec_dt_ids, &pdev->dev);
if (of_id)
@@ -1548,6 +1550,7 @@ fec_probe(struct platform_device *pdev)
fep->hwp = ioremap(r->start, resource_size(r));
fep->pdev = pdev;
+ fep->dev_id = dev_id++;
if (!fep->hwp) {
ret = -ENOMEM;
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 52f4e8ad48e7..4d9f84b8ab97 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -183,28 +183,10 @@ void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
}
EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
-/* Scan the bus in reverse, looking for an empty spot */
-static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
-{
- int i;
-
- for (i = PHY_MAX_ADDR; i > 0; i--) {
- u32 phy_id;
-
- if (get_phy_id(new_bus, i, &phy_id))
- return -1;
-
- if (phy_id == 0xffffffff)
- break;
- }
-
- return i;
-}
-
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
{
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
struct gfar __iomem *enet_regs;
/*
@@ -220,15 +202,15 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi")) {
return of_iomap(np, 1);
- } else
- return NULL;
-}
+ }
#endif
+ return NULL;
+}
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
{
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
struct device_node *np = NULL;
int err = 0;
@@ -261,9 +243,10 @@ static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
return err;
else
return -EINVAL;
-}
+#else
+ return -ENODEV;
#endif
-
+}
static int fsl_pq_mdio_probe(struct platform_device *ofdev)
{
@@ -339,19 +322,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi") ||
of_device_is_compatible(np, "gianfar")) {
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
tbipa = get_gfar_tbipa(regs, np);
if (!tbipa) {
err = -EINVAL;
goto err_free_irqs;
}
-#else
- err = -ENODEV;
- goto err_free_irqs;
-#endif
} else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
of_device_is_compatible(np, "ucc_geth_phy")) {
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
u32 id;
static u32 mii_mng_master;
@@ -364,10 +341,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
mii_mng_master = id;
ucc_set_qe_mux_mii_mng(id - 1);
}
-#else
- err = -ENODEV;
- goto err_free_irqs;
-#endif
} else {
err = -ENODEV;
goto err_free_irqs;
@@ -386,16 +359,6 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev)
}
if (tbiaddr == -1) {
- out_be32(tbipa, 0);
-
- tbiaddr = fsl_pq_mdio_find_free(new_bus);
- }
-
- /*
- * We define TBIPA at 0 to be illegal, opting to fail for boards that
- * have PHYs at 1-31, rather than change tbipa and rescan.
- */
- if (tbiaddr == 0) {
err = -EBUSY;
goto err_free_irqs;
diff --git a/drivers/net/ethernet/pasemi/Makefile b/drivers/net/ethernet/pasemi/Makefile
index 05db5434bafc..90497ffb1ac3 100644
--- a/drivers/net/ethernet/pasemi/Makefile
+++ b/drivers/net/ethernet/pasemi/Makefile
@@ -2,4 +2,5 @@
# Makefile for the A Semi network device drivers.
#
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o pasemi_mac_ethtool.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6f06aa10f0d7..67bf07819992 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1183,11 +1183,13 @@ static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
return value;
}
-static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
+static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
{
- RTL_W16(IntrMask, 0x0000);
+ void __iomem *ioaddr = tp->mmio_addr;
- RTL_W16(IntrStatus, 0xffff);
+ RTL_W16(IntrMask, 0x0000);
+ RTL_W16(IntrStatus, tp->intr_event);
+ RTL_R8(ChipCmd);
}
static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
@@ -3933,8 +3935,6 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
break;
udelay(100);
}
-
- rtl8169_init_ring_indexes(tp);
}
static int __devinit
@@ -4339,7 +4339,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
void __iomem *ioaddr = tp->mmio_addr;
/* Disable interrupts */
- rtl8169_irq_mask_and_ack(ioaddr);
+ rtl8169_irq_mask_and_ack(tp);
rtl_rx_close(tp);
@@ -4885,8 +4885,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
RTL_W16(IntrMitigate, 0x5151);
/* Work around for RxFIFO overflow. */
- if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
- tp->mac_version == RTL_GIGA_MAC_VER_22) {
+ if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
tp->intr_event |= RxFIFOOver | PCSTimeout;
tp->intr_event &= ~RxOverflow;
}
@@ -5076,6 +5075,11 @@ static void rtl_hw_start_8101(struct net_device *dev)
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
+ if (tp->mac_version >= RTL_GIGA_MAC_VER_30) {
+ tp->intr_event &= ~RxFIFOOver;
+ tp->napi_event &= ~RxFIFOOver;
+ }
+
if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
tp->mac_version == RTL_GIGA_MAC_VER_16) {
int cap = pci_pcie_cap(pdev);
@@ -5342,7 +5346,7 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev)
/* Wait for any pending NAPI task to complete */
napi_disable(&tp->napi);
- rtl8169_irq_mask_and_ack(ioaddr);
+ rtl8169_irq_mask_and_ack(tp);
tp->intr_mask = 0xffff;
RTL_W16(IntrMask, tp->intr_event);
@@ -5389,14 +5393,16 @@ static void rtl8169_reset_task(struct work_struct *work)
if (!netif_running(dev))
goto out_unlock;
+ rtl8169_hw_reset(tp);
+
rtl8169_wait_for_quiescence(dev);
for (i = 0; i < NUM_RX_DESC; i++)
rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
rtl8169_tx_clear(tp);
+ rtl8169_init_ring_indexes(tp);
- rtl8169_hw_reset(tp);
rtl_hw_start(dev);
netif_wake_queue(dev);
rtl8169_check_link_status(dev, tp, tp->mmio_addr);
@@ -5407,11 +5413,6 @@ out_unlock:
static void rtl8169_tx_timeout(struct net_device *dev)
{
- struct rtl8169_private *tp = netdev_priv(dev);
-
- rtl8169_hw_reset(tp);
-
- /* Let's wait a bit while any (async) irq lands on */
rtl8169_schedule_work(dev, rtl8169_reset_task);
}
@@ -5804,6 +5805,10 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
*/
status = RTL_R16(IntrStatus);
while (status && status != 0xffff) {
+ status &= tp->intr_event;
+ if (!status)
+ break;
+
handled = 1;
/* Handle all of the error cases first. These will reset
@@ -5818,27 +5823,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
switch (tp->mac_version) {
/* Work around for rx fifo overflow */
case RTL_GIGA_MAC_VER_11:
- case RTL_GIGA_MAC_VER_22:
- case RTL_GIGA_MAC_VER_26:
netif_stop_queue(dev);
rtl8169_tx_timeout(dev);
goto done;
- /* Testers needed. */
- case RTL_GIGA_MAC_VER_17:
- case RTL_GIGA_MAC_VER_19:
- case RTL_GIGA_MAC_VER_20:
- case RTL_GIGA_MAC_VER_21:
- case RTL_GIGA_MAC_VER_23:
- case RTL_GIGA_MAC_VER_24:
- case RTL_GIGA_MAC_VER_27:
- case RTL_GIGA_MAC_VER_28:
- case RTL_GIGA_MAC_VER_31:
- /* Experimental science. Pktgen proof. */
- case RTL_GIGA_MAC_VER_12:
- case RTL_GIGA_MAC_VER_25:
- if (status == RxFIFOOver)
- goto done;
- break;
default:
break;
}
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 10826d8a2a2d..1187a1169eb2 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -926,7 +926,7 @@ static int tile_net_poll(struct napi_struct *napi, int budget)
goto done;
/* Re-enable the ingress interrupt. */
- enable_percpu_irq(priv->intr_id);
+ enable_percpu_irq(priv->intr_id, 0);
/* HACK: Avoid the "rotting packet" problem (see above). */
if (qup->__packet_receive_read !=
@@ -1296,7 +1296,7 @@ static void tile_net_open_enable(void *dev_ptr)
info->napi_enabled = true;
/* Enable the ingress interrupt. */
- enable_percpu_irq(priv->intr_id);
+ enable_percpu_irq(priv->intr_id, 0);
}
@@ -1697,7 +1697,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
for (i = 0; i < sh->nr_frags; i++) {
skb_frag_t *f = &sh->frags[i];
- unsigned long pfn = page_to_pfn(f->page);
+ unsigned long pfn = page_to_pfn(skb_frag_page(f));
/* FIXME: Compute "hash_for_home" properly. */
/* ISSUE: The hypervisor checks CHIP_HAS_REV1_DMA_PACKETS(). */
@@ -1706,7 +1706,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
/* FIXME: Hmmm. */
if (!hash_default) {
void *va = pfn_to_kaddr(pfn) + f->page_offset;
- BUG_ON(PageHighMem(f->page));
+ BUG_ON(PageHighMem(skb_frag_page(f)));
finv_buffer_remote(va, f->size, 0);
}
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 89f829f5f725..f8a6853b692e 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -423,10 +423,8 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
- if (add_chan(po)) {
- release_sock(sk);
+ if (add_chan(po))
error = -EBUSY;
- }
release_sock(sk);
return error;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 93fbe6f40898..d2348a5a7809 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
ath_start_ani(common);
}
- if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
struct ath_hw_antcomb_conf div_ant_conf;
u8 lna_conf;
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index e12b48c2cff6..dd008b0e6417 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -191,6 +191,7 @@ static struct iwl_base_params iwl1000_base_params = {
.chain_noise_scale = 1000,
.wd_timeout = IWL_DEF_WD_TIMEOUT,
.max_event_log_size = 128,
+ .wd_disable = true,
};
static struct iwl_ht_params iwl1000_ht_params = {
.ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index c511c98a89a8..f55fb2d1af52 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -364,6 +364,7 @@ static struct iwl_base_params iwl5000_base_params = {
.wd_timeout = IWL_LONG_WD_TIMEOUT,
.max_event_log_size = 512,
.no_idle_support = true,
+ .wd_disable = true,
};
static struct iwl_ht_params iwl5000_ht_params = {
.ht_greenfield_support = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 58a381c01c89..a7a6def40d05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,6 +528,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
return 0;
}
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+ struct iwl_rxon_context *ctx)
+{
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ctx->ht.is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ctx->ht.is_40mhz = true;
+ } else {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ctx->ht.is_40mhz = false;
+ }
+}
+
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl_priv *priv = hw->priv;
@@ -586,19 +604,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
ctx->ht.enabled = conf_is_ht(conf);
if (ctx->ht.enabled) {
- if (conf_is_ht40_minus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ctx->ht.is_40mhz = true;
- } else if (conf_is_ht40_plus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ctx->ht.is_40mhz = true;
- } else {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ctx->ht.is_40mhz = false;
- }
+ /* if HT40 is used, it should not change
+ * after associated except channel switch */
+ if (iwl_is_associated_ctx(ctx) &&
+ !ctx->ht.is_40mhz)
+ iwlagn_config_ht40(conf, ctx);
} else
ctx->ht.is_40mhz = false;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index ed6283623932..4b2aa1da0953 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -1268,9 +1268,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
- keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-
if (sta)
addr = sta->addr;
else /* station mode case only */
@@ -1283,8 +1280,6 @@ int iwl_set_dynamic_key(struct iwl_priv *priv,
seq.tkip.iv32, p1k, CMD_SYNC);
break;
case WLAN_CIPHER_SUITE_CCMP:
- keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- /* fall through */
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
ret = iwlagn_send_sta_key(priv, keyconf, sta_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ccba69b7f8a7..bacc06c95e7a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2316,6 +2316,17 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
return -EOPNOTSUPP;
}
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ /* fall through */
+ case WLAN_CIPHER_SUITE_CCMP:
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ break;
+ default:
+ break;
+ }
+
/*
* We could program these keys into the hardware as well, but we
* don't expect much multicast traffic in IBSS and having keys
@@ -2599,21 +2610,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
/* Configure HT40 channels */
ctx->ht.enabled = conf_is_ht(conf);
- if (ctx->ht.enabled) {
- if (conf_is_ht40_minus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ctx->ht.is_40mhz = true;
- } else if (conf_is_ht40_plus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ctx->ht.is_40mhz = true;
- } else {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ctx->ht.is_40mhz = false;
- }
- } else
+ if (ctx->ht.enabled)
+ iwlagn_config_ht40(conf, ctx);
+ else
ctx->ht.is_40mhz = false;
if ((le16_to_cpu(ctx->staging.channel) != ch))
@@ -3499,9 +3498,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
-module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
+module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
MODULE_PARM_DESC(wd_disable,
- "Disable stuck queue watchdog timer (default: 0 [enabled])");
+ "Disable stuck queue watchdog timer 0=system default, "
+ "1=disable, 2=enable (default: 0)");
/*
* set bt_coex_active to true, uCode will do kill/defer
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 5b936ec1a541..3856abaea507 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,6 +86,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
+void iwlagn_config_ht40(struct ieee80211_conf *conf,
+ struct iwl_rxon_context *ctx);
/* uCode */
int iwlagn_rx_calib_result(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 001fdf140abb..fcf54160e4ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1810,11 +1810,23 @@ void iwl_setup_watchdog(struct iwl_priv *priv)
{
unsigned int timeout = priv->cfg->base_params->wd_timeout;
- if (timeout && !iwlagn_mod_params.wd_disable)
- mod_timer(&priv->watchdog,
- jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout)));
- else
- del_timer(&priv->watchdog);
+ if (!iwlagn_mod_params.wd_disable) {
+ /* use system default */
+ if (timeout && !priv->cfg->base_params->wd_disable)
+ mod_timer(&priv->watchdog,
+ jiffies +
+ msecs_to_jiffies(IWL_WD_TICK(timeout)));
+ else
+ del_timer(&priv->watchdog);
+ } else {
+ /* module parameter overwrite default configuration */
+ if (timeout && iwlagn_mod_params.wd_disable == 2)
+ mod_timer(&priv->watchdog,
+ jiffies +
+ msecs_to_jiffies(IWL_WD_TICK(timeout)));
+ else
+ del_timer(&priv->watchdog);
+ }
}
/**
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 137da3380704..f2fc288f3dd3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -113,6 +113,7 @@ struct iwl_lib_ops {
* @shadow_reg_enable: HW shadhow register bit
* @no_idle_support: do not support idle mode
* @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
+ * wd_disable: disable watchdog timer
*/
struct iwl_base_params {
int eeprom_size;
@@ -134,6 +135,7 @@ struct iwl_base_params {
const bool shadow_reg_enable;
const bool no_idle_support;
const bool hd_v2;
+ const bool wd_disable;
};
/*
* @advanced_bt_coexist: support advanced bt coexist
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 1f7a93c67c45..14eaf37ce3b1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -120,7 +120,7 @@ extern struct iwl_mod_params iwlagn_mod_params;
* @restart_fw: restart firmware, default = 1
* @plcp_check: enable plcp health check, default = true
* @ack_check: disable ack health check, default = false
- * @wd_disable: enable stuck queue check, default = false
+ * @wd_disable: enable stuck queue check, default = 0
* @bt_coex_active: enable bt coex, default = true
* @led_mode: system default, default = 0
* @no_sleep_autoadjust: disable autoadjust, default = true
@@ -141,7 +141,7 @@ struct iwl_mod_params {
int restart_fw;
bool plcp_check;
bool ack_check;
- bool wd_disable;
+ int wd_disable;
bool bt_coex_active;
int led_mode;
bool no_sleep_autoadjust;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
index 592a10ac5929..3b585aadabfc 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/phy.c
@@ -569,7 +569,7 @@ static bool _rtl92ce_phy_set_rf_power_state(struct ieee80211_hw *hw,
}
case ERFSLEEP:{
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
index 72852900df84..e49cf2244c75 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/phy.c
@@ -548,7 +548,7 @@ static bool _rtl92cu_phy_set_rf_power_state(struct ieee80211_hw *hw,
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
ring = &pcipriv->dev.tx_ring[queue_id];
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
index 3ac7af1c5509..0883349e1c83 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
@@ -3374,7 +3374,7 @@ bool rtl92d_phy_set_rf_power_state(struct ieee80211_hw *hw,
break;
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
index f27171af979c..f10ac1ad9087 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/phy.c
@@ -602,7 +602,7 @@ bool rtl92s_phy_set_rf_power_state(struct ieee80211_hw *hw,
}
case ERFSLEEP:
if (ppsc->rfpwr_state == ERFOFF)
- break;
+ return false;
for (queue_id = 0, i = 0;
queue_id < RTL_PCI_MAX_TX_QUEUE_COUNT;) {
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 1ae270eed51a..15e332d08c8d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1668,7 +1668,7 @@ static int __init netback_init(void)
"netback/%u", group);
if (IS_ERR(netbk->task)) {
- printk(KERN_ALERT "kthread_run() fails at netback\n");
+ printk(KERN_ALERT "kthread_create() fails at netback\n");
del_timer(&netbk->net_timer);
rc = PTR_ERR(netbk->task);
goto failed_init;
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 19c0115092dd..0f0cfa3bca30 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -26,11 +26,6 @@
#include <linux/string.h>
#include <linux/slab.h>
-/* For archs that don't support NO_IRQ (such as x86), provide a dummy value */
-#ifndef NO_IRQ
-#define NO_IRQ 0
-#endif
-
/**
* irq_of_parse_and_map - Parse and map an interrupt into linux virq space
* @device: Device node of the device whose interrupt is to be mapped
@@ -44,7 +39,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
struct of_irq oirq;
if (of_irq_map_one(dev, index, &oirq))
- return NO_IRQ;
+ return 0;
return irq_create_of_mapping(oirq.controller, oirq.specifier,
oirq.size);
@@ -345,7 +340,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
/* Only dereference the resource if both the
* resource and the irq are valid. */
- if (r && irq != NO_IRQ) {
+ if (r && irq) {
r->start = r->end = irq;
r->flags = IORESOURCE_IRQ;
r->name = dev->full_name;
@@ -363,7 +358,7 @@ int of_irq_count(struct device_node *dev)
{
int nr = 0;
- while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ)
+ while (of_irq_to_resource(dev, nr, NULL))
nr++;
return nr;
@@ -383,7 +378,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res,
int i;
for (i = 0; i < nr_irqs; i++, res++)
- if (of_irq_to_resource(dev, i, res) == NO_IRQ)
+ if (!of_irq_to_resource(dev, i, res))
break;
return i;
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index dccd8636095c..f8c752e408a6 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -239,26 +239,45 @@ int oprofile_set_ulong(unsigned long *addr, unsigned long val)
return err;
}
+static int timer_mode;
+
static int __init oprofile_init(void)
{
int err;
+ /* always init architecture to setup backtrace support */
err = oprofile_arch_init(&oprofile_ops);
- if (err < 0 || timer) {
- printk(KERN_INFO "oprofile: using timer interrupt.\n");
+
+ timer_mode = err || timer; /* fall back to timer mode on errors */
+ if (timer_mode) {
+ if (!err)
+ oprofile_arch_exit();
err = oprofile_timer_init(&oprofile_ops);
if (err)
return err;
}
- return oprofilefs_register();
+
+ err = oprofilefs_register();
+ if (!err)
+ return 0;
+
+ /* failed */
+ if (timer_mode)
+ oprofile_timer_exit();
+ else
+ oprofile_arch_exit();
+
+ return err;
}
static void __exit oprofile_exit(void)
{
- oprofile_timer_exit();
oprofilefs_unregister();
- oprofile_arch_exit();
+ if (timer_mode)
+ oprofile_timer_exit();
+ else
+ oprofile_arch_exit();
}
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 3ef44624f510..878fba126582 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -110,6 +110,7 @@ int oprofile_timer_init(struct oprofile_operations *ops)
ops->start = oprofile_hrtimer_start;
ops->stop = oprofile_hrtimer_stop;
ops->cpu_type = "timer";
+ printk(KERN_INFO "oprofile: using timer interrupt.\n");
return 0;
}
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 13ef8c37471d..dcdc1f4a4624 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -121,6 +121,7 @@ struct toshiba_acpi_dev {
int illumination_supported:1;
int video_supported:1;
int fan_supported:1;
+ int system_event_supported:1;
struct mutex mutex;
};
@@ -724,7 +725,7 @@ static int keys_proc_show(struct seq_file *m, void *v)
u32 hci_result;
u32 value;
- if (!dev->key_event_valid) {
+ if (!dev->key_event_valid && dev->system_event_supported) {
hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
dev->key_event_valid = 1;
@@ -964,6 +965,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
/* enable event fifo */
hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ dev->system_event_supported = 1;
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
@@ -1032,12 +1035,15 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
u32 hci_result, value;
+ int retries = 3;
- if (event != 0x80)
+ if (!dev->system_event_supported || event != 0x80)
return;
+
do {
hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
- if (hci_result == HCI_SUCCESS) {
+ switch (hci_result) {
+ case HCI_SUCCESS:
if (value == 0x100)
continue;
/* act on key press; ignore key release */
@@ -1049,14 +1055,19 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
pr_info("Unknown key %x\n",
value);
}
- } else if (hci_result == HCI_NOT_SUPPORTED) {
+ break;
+ case HCI_NOT_SUPPORTED:
/* This is a workaround for an unresolved issue on
* some machines where system events sporadically
* become disabled. */
hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
pr_notice("Re-enabled hotkeys\n");
+ /* fall through */
+ default:
+ retries--;
+ break;
}
- } while (hci_result != HCI_EMPTY);
+ } while (retries && hci_result != HCI_EMPTY);
}
diff --git a/drivers/power/intel_mid_battery.c b/drivers/power/intel_mid_battery.c
index cffcb7c00b00..01fa671ec97f 100644
--- a/drivers/power/intel_mid_battery.c
+++ b/drivers/power/intel_mid_battery.c
@@ -61,7 +61,8 @@ MODULE_PARM_DESC(debug, "Flag to enable PMIC Battery debug messages.");
#define PMIC_BATT_CHR_SBATDET_MASK (1 << 5)
#define PMIC_BATT_CHR_SDCLMT_MASK (1 << 6)
#define PMIC_BATT_CHR_SUSBOVP_MASK (1 << 7)
-#define PMIC_BATT_CHR_EXCPT_MASK 0xC6
+#define PMIC_BATT_CHR_EXCPT_MASK 0x86
+
#define PMIC_BATT_ADC_ACCCHRG_MASK (1 << 31)
#define PMIC_BATT_ADC_ACCCHRGVAL_MASK 0x7FFFFFFF
@@ -304,11 +305,6 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
pmic_battery_log_event(BATT_EVENT_BATOVP_EXCPT);
batt_exception = 1;
- } else if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
- pbi->batt_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
- pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
- pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
- batt_exception = 1;
} else if (r8 & PMIC_BATT_CHR_STEMP_MASK) {
pbi->batt_health = POWER_SUPPLY_HEALTH_OVERHEAT;
pbi->batt_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
@@ -316,6 +312,10 @@ static void pmic_battery_read_status(struct pmic_power_module_info *pbi)
batt_exception = 1;
} else {
pbi->batt_health = POWER_SUPPLY_HEALTH_GOOD;
+ if (r8 & PMIC_BATT_CHR_SDCLMT_MASK) {
+ /* PMIC will change charging current automatically */
+ pmic_battery_log_event(BATT_EVENT_DCLMT_EXCPT);
+ }
}
}
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f9997546d..10451a15e828 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
{
- return 1; /* always round timer functions to one nanosecond */
+ tp->tv_sec = 0;
+ tp->tv_nsec = 1;
+ return 0;
}
static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 5225930a10cd..691b1ab1a3d0 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -851,14 +851,12 @@ static int tsi721_doorbell_init(struct tsi721_device *priv)
INIT_WORK(&priv->idb_work, tsi721_db_dpc);
/* Allocate buffer for inbound doorbells queue */
- priv->idb_base = dma_alloc_coherent(&priv->pdev->dev,
+ priv->idb_base = dma_zalloc_coherent(&priv->pdev->dev,
IDB_QSIZE * TSI721_IDB_ENTRY_SIZE,
&priv->idb_dma, GFP_KERNEL);
if (!priv->idb_base)
return -ENOMEM;
- memset(priv->idb_base, 0, IDB_QSIZE * TSI721_IDB_ENTRY_SIZE);
-
dev_dbg(&priv->pdev->dev, "Allocated IDB buffer @ %p (phys = %llx)\n",
priv->idb_base, (unsigned long long)priv->idb_dma);
@@ -904,7 +902,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
*/
/* Allocate space for DMA descriptors */
- bd_ptr = dma_alloc_coherent(&priv->pdev->dev,
+ bd_ptr = dma_zalloc_coherent(&priv->pdev->dev,
bd_num * sizeof(struct tsi721_dma_desc),
&bd_phys, GFP_KERNEL);
if (!bd_ptr)
@@ -913,8 +911,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
priv->bdma[chnum].bd_phys = bd_phys;
priv->bdma[chnum].bd_base = bd_ptr;
- memset(bd_ptr, 0, bd_num * sizeof(struct tsi721_dma_desc));
-
dev_dbg(&priv->pdev->dev, "DMA descriptors @ %p (phys = %llx)\n",
bd_ptr, (unsigned long long)bd_phys);
@@ -922,7 +918,7 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
sts_size = (bd_num >= TSI721_DMA_MINSTSSZ) ?
bd_num : TSI721_DMA_MINSTSSZ;
sts_size = roundup_pow_of_two(sts_size);
- sts_ptr = dma_alloc_coherent(&priv->pdev->dev,
+ sts_ptr = dma_zalloc_coherent(&priv->pdev->dev,
sts_size * sizeof(struct tsi721_dma_sts),
&sts_phys, GFP_KERNEL);
if (!sts_ptr) {
@@ -938,8 +934,6 @@ static int tsi721_bdma_ch_init(struct tsi721_device *priv, int chnum)
priv->bdma[chnum].sts_base = sts_ptr;
priv->bdma[chnum].sts_size = sts_size;
- memset(sts_ptr, 0, sts_size);
-
dev_dbg(&priv->pdev->dev,
"desc status FIFO @ %p (phys = %llx) size=0x%x\n",
sts_ptr, (unsigned long long)sts_phys, sts_size);
@@ -1400,7 +1394,7 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
/* Outbound message descriptor status FIFO allocation */
priv->omsg_ring[mbox].sts_size = roundup_pow_of_two(entries + 1);
- priv->omsg_ring[mbox].sts_base = dma_alloc_coherent(&priv->pdev->dev,
+ priv->omsg_ring[mbox].sts_base = dma_zalloc_coherent(&priv->pdev->dev,
priv->omsg_ring[mbox].sts_size *
sizeof(struct tsi721_dma_sts),
&priv->omsg_ring[mbox].sts_phys, GFP_KERNEL);
@@ -1412,9 +1406,6 @@ static int tsi721_open_outb_mbox(struct rio_mport *mport, void *dev_id,
goto out_desc;
}
- memset(priv->omsg_ring[mbox].sts_base, 0,
- entries * sizeof(struct tsi721_dma_sts));
-
/*
* Configure Outbound Messaging Engine
*/
@@ -2116,8 +2107,8 @@ static int __devinit tsi721_setup_mport(struct tsi721_device *priv)
INIT_LIST_HEAD(&mport->dbells);
rio_init_dbell_res(&mport->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
- rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 0);
- rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 0);
+ rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 3);
+ rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 3);
strcpy(mport->name, "Tsi721 mport");
/* Hook up interrupt handler */
@@ -2163,7 +2154,7 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct tsi721_device *priv;
- int i;
+ int i, cap;
int err;
u32 regval;
@@ -2271,10 +2262,20 @@ static int __devinit tsi721_probe(struct pci_dev *pdev,
dev_info(&pdev->dev, "Unable to set consistent DMA mask\n");
}
- /* Clear "no snoop" and "relaxed ordering" bits. */
- pci_read_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, &regval);
- regval &= ~(PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN);
- pci_write_config_dword(pdev, 0x40 + PCI_EXP_DEVCTL, regval);
+ cap = pci_pcie_cap(pdev);
+ BUG_ON(cap == 0);
+
+ /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */
+ pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, &regval);
+ regval &= ~(PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN |
+ PCI_EXP_DEVCTL_NOSNOOP_EN);
+ regval |= 0x2 << MAX_READ_REQUEST_SZ_SHIFT;
+ pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL, regval);
+
+ /* Adjust PCIe completion timeout. */
+ pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL2, &regval);
+ regval &= ~(0x0f);
+ pci_write_config_dword(pdev, cap + PCI_EXP_DEVCTL2, regval | 0x2);
/*
* FIXUP: correct offsets of MSI-X tables in the MSI-X Capability Block
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 58be4deb1402..822e54c394d5 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -72,6 +72,8 @@
#define TSI721_MSIXPBA_OFFSET 0x2a000
#define TSI721_PCIECFG_EPCTL 0x400
+#define MAX_READ_REQUEST_SZ_SHIFT 12
+
/*
* Event Management Registers
*/
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index e8326f26fa2f..dc4c2748bbc3 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -63,7 +63,7 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg)
*/
delta = timespec_sub(old_system, old_rtc);
delta_delta = timespec_sub(delta, old_delta);
- if (abs(delta_delta.tv_sec) >= 2) {
+ if (delta_delta.tv_sec < -2 || delta_delta.tv_sec >= 2) {
/*
* if delta_delta is too large, assume time correction
* has occured and set old_delta to the current delta.
@@ -97,9 +97,8 @@ static int rtc_resume(struct device *dev)
rtc_tm_to_time(&tm, &new_rtc.tv_sec);
new_rtc.tv_nsec = 0;
- if (new_rtc.tv_sec <= old_rtc.tv_sec) {
- if (new_rtc.tv_sec < old_rtc.tv_sec)
- pr_debug("%s: time travel!\n", dev_name(&rtc->dev));
+ if (new_rtc.tv_sec < old_rtc.tv_sec) {
+ pr_debug("%s: time travel!\n", dev_name(&rtc->dev));
return 0;
}
@@ -116,7 +115,8 @@ static int rtc_resume(struct device *dev)
sleep_time = timespec_sub(sleep_time,
timespec_sub(new_system, old_system));
- timekeeping_inject_sleeptime(&sleep_time);
+ if (sleep_time.tv_sec >= 0)
+ timekeeping_inject_sleeptime(&sleep_time);
return 0;
}
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8e286259a007..fa4d9f324189 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -319,6 +319,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
}
EXPORT_SYMBOL_GPL(rtc_read_alarm);
+static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+ int err;
+
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->set_alarm)
+ err = -EINVAL;
+ else
+ err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+
+ return err;
+}
+
static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
{
struct rtc_time tm;
@@ -342,14 +356,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
* over right here, before we set the alarm.
*/
- if (!rtc->ops)
- err = -ENODEV;
- else if (!rtc->ops->set_alarm)
- err = -EINVAL;
- else
- err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-
- return err;
+ return ___rtc_set_alarm(rtc, alarm);
}
int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
@@ -763,6 +770,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
return 0;
}
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+ struct rtc_wkalrm alarm;
+ struct rtc_time tm;
+
+ __rtc_read_time(rtc, &tm);
+
+ alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
+ ktime_set(300, 0)));
+ alarm.enabled = 0;
+
+ ___rtc_set_alarm(rtc, &alarm);
+}
+
/**
* rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
* @rtc rtc device
@@ -784,8 +805,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
struct rtc_wkalrm alarm;
int err;
next = timerqueue_getnext(&rtc->timerqueue);
- if (!next)
+ if (!next) {
+ rtc_alarm_disable(rtc);
return;
+ }
alarm.time = rtc_ktime_to_tm(next->expires);
alarm.enabled = 1;
err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +870,8 @@ again:
err = __rtc_set_alarm(rtc, &alarm);
if (err == -ETIME)
goto again;
- }
+ } else
+ rtc_alarm_disable(rtc);
mutex_unlock(&rtc->ops_lock);
}
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 7639ab906f02..5b979d9cc332 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -202,7 +202,6 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
void __iomem *base = s3c_rtc_base;
int year = tm->tm_year - 100;
- clk_enable(rtc_clk);
pr_debug("set time %04d.%02d.%02d %02d:%02d:%02d\n",
1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
@@ -214,6 +213,7 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
return -EINVAL;
}
+ clk_enable(rtc_clk);
writeb(bin2bcd(tm->tm_sec), base + S3C2410_RTCSEC);
writeb(bin2bcd(tm->tm_min), base + S3C2410_RTCMIN);
writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 75c3f1f8fd43..a84631a7391d 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -529,10 +529,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
int chsc_chp_vary(struct chp_id chpid, int on)
{
struct channel_path *chp = chpid_to_chp(chpid);
- struct chp_link link;
- memset(&link, 0, sizeof(struct chp_link));
- link.chpid = chpid;
/* Wait until previous actions have settled. */
css_wait_for_slow_path();
/*
@@ -542,10 +539,10 @@ int chsc_chp_vary(struct chp_id chpid, int on)
/* Try to update the channel path descritor. */
chsc_determine_base_channel_path_desc(chpid, &chp->desc);
for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
- __s390_vary_chpid_on, &link);
+ __s390_vary_chpid_on, &chpid);
} else
for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
- NULL, &link);
+ NULL, &chpid);
return 0;
}
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 155a82bcb9e5..4a1ff5c2eb88 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,8 +68,13 @@ struct schib {
__u8 mda[4]; /* model dependent area */
} __attribute__ ((packed,aligned(4)));
+/*
+ * When rescheduled, todo's with higher values will overwrite those
+ * with lower values.
+ */
enum sch_todo {
SCH_TODO_NOTHING,
+ SCH_TODO_EVAL,
SCH_TODO_UNREG,
};
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 92d7324acb1c..21908e67bf67 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -195,51 +195,6 @@ void css_sch_device_unregister(struct subchannel *sch)
}
EXPORT_SYMBOL_GPL(css_sch_device_unregister);
-static void css_sch_todo(struct work_struct *work)
-{
- struct subchannel *sch;
- enum sch_todo todo;
-
- sch = container_of(work, struct subchannel, todo_work);
- /* Find out todo. */
- spin_lock_irq(sch->lock);
- todo = sch->todo;
- CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
- sch->schid.sch_no, todo);
- sch->todo = SCH_TODO_NOTHING;
- spin_unlock_irq(sch->lock);
- /* Perform todo. */
- if (todo == SCH_TODO_UNREG)
- css_sch_device_unregister(sch);
- /* Release workqueue ref. */
- put_device(&sch->dev);
-}
-
-/**
- * css_sched_sch_todo - schedule a subchannel operation
- * @sch: subchannel
- * @todo: todo
- *
- * Schedule the operation identified by @todo to be performed on the slow path
- * workqueue. Do nothing if another operation with higher priority is already
- * scheduled. Needs to be called with subchannel lock held.
- */
-void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
-{
- CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
- sch->schid.ssid, sch->schid.sch_no, todo);
- if (sch->todo >= todo)
- return;
- /* Get workqueue ref. */
- if (!get_device(&sch->dev))
- return;
- sch->todo = todo;
- if (!queue_work(cio_work_q, &sch->todo_work)) {
- /* Already queued, release workqueue ref. */
- put_device(&sch->dev);
- }
-}
-
static void ssd_from_pmcw(struct chsc_ssd_info *ssd, struct pmcw *pmcw)
{
int i;
@@ -466,6 +421,65 @@ static void css_evaluate_subchannel(struct subchannel_id schid, int slow)
css_schedule_eval(schid);
}
+/**
+ * css_sched_sch_todo - schedule a subchannel operation
+ * @sch: subchannel
+ * @todo: todo
+ *
+ * Schedule the operation identified by @todo to be performed on the slow path
+ * workqueue. Do nothing if another operation with higher priority is already
+ * scheduled. Needs to be called with subchannel lock held.
+ */
+void css_sched_sch_todo(struct subchannel *sch, enum sch_todo todo)
+{
+ CIO_MSG_EVENT(4, "sch_todo: sched sch=0.%x.%04x todo=%d\n",
+ sch->schid.ssid, sch->schid.sch_no, todo);
+ if (sch->todo >= todo)
+ return;
+ /* Get workqueue ref. */
+ if (!get_device(&sch->dev))
+ return;
+ sch->todo = todo;
+ if (!queue_work(cio_work_q, &sch->todo_work)) {
+ /* Already queued, release workqueue ref. */
+ put_device(&sch->dev);
+ }
+}
+
+static void css_sch_todo(struct work_struct *work)
+{
+ struct subchannel *sch;
+ enum sch_todo todo;
+ int ret;
+
+ sch = container_of(work, struct subchannel, todo_work);
+ /* Find out todo. */
+ spin_lock_irq(sch->lock);
+ todo = sch->todo;
+ CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
+ sch->schid.sch_no, todo);
+ sch->todo = SCH_TODO_NOTHING;
+ spin_unlock_irq(sch->lock);
+ /* Perform todo. */
+ switch (todo) {
+ case SCH_TODO_NOTHING:
+ break;
+ case SCH_TODO_EVAL:
+ ret = css_evaluate_known_subchannel(sch, 1);
+ if (ret == -EAGAIN) {
+ spin_lock_irq(sch->lock);
+ css_sched_sch_todo(sch, todo);
+ spin_unlock_irq(sch->lock);
+ }
+ break;
+ case SCH_TODO_UNREG:
+ css_sch_device_unregister(sch);
+ break;
+ }
+ /* Release workqueue ref. */
+ put_device(&sch->dev);
+}
+
static struct idset *slow_subchannel_set;
static spinlock_t slow_subchannel_lock;
static wait_queue_head_t css_eval_wq;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index d734f4a0ecac..47269858ecb6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev)
*/
cdev->private->flags.resuming = 1;
cdev->private->path_new_mask = LPM_ANYPATH;
- css_schedule_eval(sch->schid);
+ css_sched_sch_todo(sch, SCH_TODO_EVAL);
spin_unlock_irq(sch->lock);
- css_complete_work();
+ css_wait_for_slow_path();
/* cdev may have been moved to a different subchannel. */
sch = to_subchannel(cdev->dev.parent);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 52c233fa2b12..1b853513c891 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -496,8 +496,26 @@ static void ccw_device_reset_path_events(struct ccw_device *cdev)
cdev->private->pgid_reset_mask = 0;
}
-void
-ccw_device_verify_done(struct ccw_device *cdev, int err)
+static void create_fake_irb(struct irb *irb, int type)
+{
+ memset(irb, 0, sizeof(*irb));
+ if (type == FAKE_CMD_IRB) {
+ struct cmd_scsw *scsw = &irb->scsw.cmd;
+ scsw->cc = 1;
+ scsw->fctl = SCSW_FCTL_START_FUNC;
+ scsw->actl = SCSW_ACTL_START_PEND;
+ scsw->stctl = SCSW_STCTL_STATUS_PEND;
+ } else if (type == FAKE_TM_IRB) {
+ struct tm_scsw *scsw = &irb->scsw.tm;
+ scsw->x = 1;
+ scsw->cc = 1;
+ scsw->fctl = SCSW_FCTL_START_FUNC;
+ scsw->actl = SCSW_ACTL_START_PEND;
+ scsw->stctl = SCSW_STCTL_STATUS_PEND;
+ }
+}
+
+void ccw_device_verify_done(struct ccw_device *cdev, int err)
{
struct subchannel *sch;
@@ -520,12 +538,8 @@ callback:
ccw_device_done(cdev, DEV_STATE_ONLINE);
/* Deliver fake irb to device driver, if needed. */
if (cdev->private->flags.fake_irb) {
- memset(&cdev->private->irb, 0, sizeof(struct irb));
- cdev->private->irb.scsw.cmd.cc = 1;
- cdev->private->irb.scsw.cmd.fctl = SCSW_FCTL_START_FUNC;
- cdev->private->irb.scsw.cmd.actl = SCSW_ACTL_START_PEND;
- cdev->private->irb.scsw.cmd.stctl =
- SCSW_STCTL_STATUS_PEND;
+ create_fake_irb(&cdev->private->irb,
+ cdev->private->flags.fake_irb);
cdev->private->flags.fake_irb = 0;
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index f98698d5735e..ec7fb6d3b479 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -198,7 +198,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
if (cdev->private->state == DEV_STATE_VERIFY) {
/* Remember to fake irb when finished. */
if (!cdev->private->flags.fake_irb) {
- cdev->private->flags.fake_irb = 1;
+ cdev->private->flags.fake_irb = FAKE_CMD_IRB;
cdev->private->intparm = intparm;
return 0;
} else
@@ -213,9 +213,9 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
ret = cio_set_options (sch, flags);
if (ret)
return ret;
- /* Adjust requested path mask to excluded varied off paths. */
+ /* Adjust requested path mask to exclude unusable paths. */
if (lpm) {
- lpm &= sch->opm;
+ lpm &= sch->lpm;
if (lpm == 0)
return -EACCES;
}
@@ -605,11 +605,21 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
sch = to_subchannel(cdev->dev.parent);
if (!sch->schib.pmcw.ena)
return -EINVAL;
+ if (cdev->private->state == DEV_STATE_VERIFY) {
+ /* Remember to fake irb when finished. */
+ if (!cdev->private->flags.fake_irb) {
+ cdev->private->flags.fake_irb = FAKE_TM_IRB;
+ cdev->private->intparm = intparm;
+ return 0;
+ } else
+ /* There's already a fake I/O around. */
+ return -EBUSY;
+ }
if (cdev->private->state != DEV_STATE_ONLINE)
return -EIO;
- /* Adjust requested path mask to excluded varied off paths. */
+ /* Adjust requested path mask to exclude unusable paths. */
if (lpm) {
- lpm &= sch->opm;
+ lpm &= sch->lpm;
if (lpm == 0)
return -EACCES;
}
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 2ebb492a5c17..76253dfcc1be 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -111,6 +111,9 @@ enum cdev_todo {
CDEV_TODO_UNREG_EVAL,
};
+#define FAKE_CMD_IRB 1
+#define FAKE_TM_IRB 2
+
struct ccw_device_private {
struct ccw_device *cdev;
struct subchannel *sch;
@@ -138,7 +141,7 @@ struct ccw_device_private {
unsigned int doverify:1; /* delayed path verification */
unsigned int donotify:1; /* call notify function */
unsigned int recog_done:1; /* dev. recog. complete */
- unsigned int fake_irb:1; /* deliver faked irb */
+ unsigned int fake_irb:2; /* deliver faked irb */
unsigned int resuming:1; /* recognition while resume */
unsigned int pgroup:1; /* pathgroup is set up */
unsigned int mpath:1; /* multipathing is set up */
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index ec94f049e995..96bbe9d12a79 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1552,6 +1552,8 @@ static void ap_reset(struct ap_device *ap_dev)
rc = ap_init_queue(ap_dev->qid);
if (rc == -ENODEV)
ap_dev->unregistered = 1;
+ else
+ __ap_schedule_poll_timer();
}
static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 5f94d22c491e..542668292900 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -233,13 +233,9 @@ int bbc_i2c_write_buf(struct bbc_i2c_client *client,
int ret = 0;
while (len > 0) {
- int err = bbc_i2c_writeb(client, *buf, off);
-
- if (err < 0) {
- ret = err;
+ ret = bbc_i2c_writeb(client, *buf, off);
+ if (ret < 0)
break;
- }
-
len--;
buf++;
off++;
@@ -253,11 +249,9 @@ int bbc_i2c_read_buf(struct bbc_i2c_client *client,
int ret = 0;
while (len > 0) {
- int err = bbc_i2c_readb(client, buf, off);
- if (err < 0) {
- ret = err;
+ ret = bbc_i2c_readb(client, buf, off);
+ if (ret < 0)
break;
- }
len--;
buf++;
off++;
@@ -422,17 +416,6 @@ static struct platform_driver bbc_i2c_driver = {
.remove = __devexit_p(bbc_i2c_remove),
};
-static int __init bbc_i2c_init(void)
-{
- return platform_driver_register(&bbc_i2c_driver);
-}
-
-static void __exit bbc_i2c_exit(void)
-{
- platform_driver_unregister(&bbc_i2c_driver);
-}
-
-module_init(bbc_i2c_init);
-module_exit(bbc_i2c_exit);
+module_platform_driver(bbc_i2c_driver);
MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 965a1fccd66a..4b9939726c34 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -275,15 +275,4 @@ static struct platform_driver d7s_driver = {
.remove = __devexit_p(d7s_remove),
};
-static int __init d7s_init(void)
-{
- return platform_driver_register(&d7s_driver);
-}
-
-static void __exit d7s_exit(void)
-{
- platform_driver_unregister(&d7s_driver);
-}
-
-module_init(d7s_init);
-module_exit(d7s_exit);
+module_platform_driver(d7s_driver);
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index be7b4e56154f..339fd6f65eda 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -1138,16 +1138,6 @@ static struct platform_driver envctrl_driver = {
.remove = __devexit_p(envctrl_remove),
};
-static int __init envctrl_init(void)
-{
- return platform_driver_register(&envctrl_driver);
-}
-
-static void __exit envctrl_exit(void)
-{
- platform_driver_unregister(&envctrl_driver);
-}
+module_platform_driver(envctrl_driver);
-module_init(envctrl_init);
-module_exit(envctrl_exit);
MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 73dd4e7afaaa..826157f38694 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -216,16 +216,6 @@ static struct platform_driver flash_driver = {
.remove = __devexit_p(flash_remove),
};
-static int __init flash_init(void)
-{
- return platform_driver_register(&flash_driver);
-}
-
-static void __exit flash_cleanup(void)
-{
- platform_driver_unregister(&flash_driver);
-}
+module_platform_driver(flash_driver);
-module_init(flash_init);
-module_exit(flash_cleanup);
MODULE_LICENSE("GPL");
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index ebce9639a26a..0b31658ccde5 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -435,16 +435,6 @@ static struct platform_driver uctrl_driver = {
};
-static int __init uctrl_init(void)
-{
- return platform_driver_register(&uctrl_driver);
-}
-
-static void __exit uctrl_exit(void)
-{
- platform_driver_unregister(&uctrl_driver);
-}
+module_platform_driver(uctrl_driver);
-module_init(uctrl_init);
-module_exit(uctrl_exit);
MODULE_LICENSE("GPL");
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a1fd73df5416..8ba4510a9519 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -199,7 +199,7 @@ config SPI_FSL_LIB
depends on FSL_SOC
config SPI_FSL_SPI
- tristate "Freescale SPI controller"
+ bool "Freescale SPI controller"
depends on FSL_SOC
select SPI_FSL_LIB
help
@@ -208,7 +208,7 @@ config SPI_FSL_SPI
MPC8569 uses the controller in QE mode, MPC8610 in cpu mode.
config SPI_FSL_ESPI
- tristate "Freescale eSPI controller"
+ bool "Freescale eSPI controller"
depends on FSL_SOC
select SPI_FSL_LIB
help
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index 024b48aed5ca..acc88b4d2869 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -13,6 +13,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index e093d3ec41ba..0094c645ff0d 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -256,7 +256,7 @@ static void spi_gpio_cleanup(struct spi_device *spi)
spi_bitbang_cleanup(spi);
}
-static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
+static int __devinit spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
{
int value;
@@ -270,7 +270,7 @@ static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
return value;
}
-static int __init
+static int __devinit
spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label,
u16 *res_flags)
{
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 21c70b2b8311..182e9c873822 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -8,6 +8,7 @@
*
*/
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 84c934c0a545..520e8286db28 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -517,10 +517,14 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
static void __devinit ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
{
- ssb_pcicore_fix_sprom_core_index(pc);
+ struct ssb_device *pdev = pc->dev;
+ struct ssb_bus *bus = pdev->bus;
+
+ if (bus->bustype == SSB_BUSTYPE_PCI)
+ ssb_pcicore_fix_sprom_core_index(pc);
/* Disable PCI interrupts. */
- ssb_write32(pc->dev, SSB_INTVEC, 0);
+ ssb_write32(pdev, SSB_INTVEC, 0);
/* Additional PCIe always once-executed workarounds */
if (pc->dev->id.coreid == SSB_DEV_PCIE) {
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index fb2e89c3056c..5385da2e9cdb 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
{USB_DEVICE(0x0DF6, 0x0045)},
{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
{USB_DEVICE(0x0DF6, 0x004B)},
+ {USB_DEVICE(0x0DF6, 0x005D)},
{USB_DEVICE(0x0DF6, 0x0063)},
/* Sweex */
{USB_DEVICE(0x177F, 0x0154)},
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 3d1279c424a8..7eb56178fb64 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -54,6 +54,7 @@
/* Bridge GPT id (1 - 4), DM Timer id (5 - 8) */
#define DMT_ID(id) ((id) + 4)
+#define DM_TIMER_CLOCKS 4
/* Bridge MCBSP id (6 - 10), OMAP Mcbsp id (0 - 4) */
#define MCBSP_ID(id) ((id) - 6)
@@ -114,8 +115,13 @@ static s8 get_clk_type(u8 id)
*/
void dsp_clk_exit(void)
{
+ int i;
+
dsp_clock_disable_all(dsp_clocks);
+ for (i = 0; i < DM_TIMER_CLOCKS; i++)
+ omap_dm_timer_free(timer[i]);
+
clk_put(iva2_clk);
clk_put(ssi.sst_fck);
clk_put(ssi.ssr_fck);
@@ -130,9 +136,13 @@ void dsp_clk_exit(void)
void dsp_clk_init(void)
{
static struct platform_device dspbridge_device;
+ int i, id;
dspbridge_device.dev.bus = &platform_bus_type;
+ for (i = 0, id = 5; i < DM_TIMER_CLOCKS; i++, id++)
+ timer[i] = omap_dm_timer_request_specific(id);
+
iva2_clk = clk_get(&dspbridge_device.dev, "iva2_ck");
if (IS_ERR(iva2_clk))
dev_err(bridge, "failed to get iva2 clock %p\n", iva2_clk);
@@ -204,8 +214,7 @@ int dsp_clk_enable(enum dsp_clk_id clk_id)
clk_enable(iva2_clk);
break;
case GPT_CLK:
- timer[clk_id - 1] =
- omap_dm_timer_request_specific(DMT_ID(clk_id));
+ status = omap_dm_timer_start(timer[clk_id - 1]);
break;
#ifdef CONFIG_OMAP_MCBSP
case MCBSP_CLK:
@@ -281,7 +290,7 @@ int dsp_clk_disable(enum dsp_clk_id clk_id)
clk_disable(iva2_clk);
break;
case GPT_CLK:
- omap_dm_timer_free(timer[clk_id - 1]);
+ status = omap_dm_timer_stop(timer[clk_id - 1]);
break;
#ifdef CONFIG_OMAP_MCBSP
case MCBSP_CLK:
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index c43c7e3421c8..76cfc6edecd9 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -24,11 +24,7 @@
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
-
-#ifdef MODULE
#include <linux/module.h>
-#endif
-
#include <linux/device.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0fd96c10271d..8599545cdf9e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -614,13 +614,12 @@ int iscsit_add_reject(
hdr = (struct iscsi_reject *) cmd->pdu;
hdr->reason = reason;
- cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+ cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
iscsit_release_cmd(cmd);
return -1;
}
- memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
spin_lock_bh(&conn->cmd_lock);
list_add_tail(&cmd->i_list, &conn->conn_cmd_list);
@@ -661,13 +660,12 @@ int iscsit_add_reject_from_cmd(
hdr = (struct iscsi_reject *) cmd->pdu;
hdr->reason = reason;
- cmd->buf_ptr = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+ cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
iscsit_release_cmd(cmd);
return -1;
}
- memcpy(cmd->buf_ptr, buf, ISCSI_HDR_LEN);
if (add_to_conn) {
spin_lock_bh(&conn->cmd_lock);
@@ -1017,11 +1015,6 @@ done:
" non-existent or non-exported iSCSI LUN:"
" 0x%016Lx\n", get_unaligned_le64(&hdr->lun));
}
- if (ret == PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES)
- return iscsit_add_reject_from_cmd(
- ISCSI_REASON_BOOKMARK_NO_RESOURCES,
- 1, 1, buf, cmd);
-
send_check_condition = 1;
goto attach_cmd;
}
@@ -1044,6 +1037,8 @@ done:
*/
send_check_condition = 1;
} else {
+ cmd->data_length = cmd->se_cmd.data_length;
+
if (iscsit_decide_list_to_build(cmd, payload_length) < 0)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_BOOKMARK_NO_RESOURCES,
@@ -1123,7 +1118,7 @@ attach_cmd:
* the backend memory allocation.
*/
ret = transport_generic_new_cmd(&cmd->se_cmd);
- if ((ret < 0) || (cmd->se_cmd.se_cmd_flags & SCF_SE_CMD_FAILED)) {
+ if (ret < 0) {
immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
dump_immediate_data = 1;
goto after_immediate_data;
@@ -1341,7 +1336,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
spin_lock_irqsave(&se_cmd->t_state_lock, flags);
if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) ||
- (se_cmd->se_cmd_flags & SCF_SE_CMD_FAILED))
+ (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION))
dump_unsolicited_data = 1;
spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
@@ -2513,10 +2508,10 @@ static int iscsit_send_data_in(
if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_DATA_OVERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_DATA_UNDERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
}
}
hton24(hdr->dlength, datain.length);
@@ -3018,10 +3013,10 @@ static int iscsit_send_status(
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_CMD_OVERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
- hdr->residual_count = cpu_to_be32(cmd->residual_count);
+ hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
}
hdr->response = cmd->iscsi_response;
hdr->cmd_status = cmd->se_cmd.scsi_status;
@@ -3133,6 +3128,7 @@ static int iscsit_send_task_mgt_rsp(
hdr = (struct iscsi_tm_rsp *) cmd->pdu;
memset(hdr, 0, ISCSI_HDR_LEN);
hdr->opcode = ISCSI_OP_SCSI_TMFUNC_RSP;
+ hdr->flags = ISCSI_FLAG_CMD_FINAL;
hdr->response = iscsit_convert_tcm_tmr_rsp(se_tmr);
hdr->itt = cpu_to_be32(cmd->init_task_tag);
cmd->stat_sn = conn->stat_sn++;
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index beb39469e7f1..1cd6ce373b83 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
{
- int j = DIV_ROUND_UP(len, 2);
+ int j = DIV_ROUND_UP(len, 2), rc;
- hex2bin(dst, src, j);
+ rc = hex2bin(dst, src, j);
+ if (rc < 0)
+ pr_debug("CHAP string contains non hex digit symbols\n");
dst[j] = '\0';
return j;
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 3723d90d5ae5..f1a02dad05a0 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -398,7 +398,6 @@ struct iscsi_cmd {
u32 pdu_send_order;
/* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */
u32 pdu_start;
- u32 residual_count;
/* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */
u32 seq_send_order;
/* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */
@@ -535,7 +534,6 @@ struct iscsi_conn {
atomic_t connection_exit;
atomic_t connection_recovery;
atomic_t connection_reinstatement;
- atomic_t connection_wait;
atomic_t connection_wait_rcfr;
atomic_t sleep_on_conn_wait_comp;
atomic_t transport_failed;
@@ -643,7 +641,6 @@ struct iscsi_session {
atomic_t session_reinstatement;
atomic_t session_stop_active;
atomic_t sleep_on_sess_wait_comp;
- atomic_t transport_wait_cmds;
/* connection list */
struct list_head sess_conn_list;
struct list_head cr_active_list;
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index c4c68da3e500..101b1beb3bca 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -938,8 +938,7 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo)
* handle the SCF_SCSI_RESERVATION_CONFLICT case here as well.
*/
if (se_cmd->se_cmd_flags & SCF_SCSI_CDB_EXCEPTION) {
- if (se_cmd->se_cmd_flags &
- SCF_SCSI_RESERVATION_CONFLICT) {
+ if (se_cmd->scsi_sense_reason == TCM_RESERVATION_CONFLICT) {
cmd->i_state = ISTATE_SEND_STATUS;
spin_unlock_bh(&cmd->istate_lock);
iscsit_add_cmd_to_response_queue(cmd, cmd->conn,
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index daad362a93ce..d734bdec24f9 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1(
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
pr_err("Could not allocate memory for session\n");
- return -1;
+ return -ENOMEM;
}
iscsi_login_set_conn_values(sess, conn, pdu->cid);
@@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1(
pr_err("idr_pre_get() for sess_idr failed\n");
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
+ kfree(sess);
+ return -ENOMEM;
}
spin_lock(&sess_idr_lock);
idr_get_new(&sess_idr, NULL, &sess->session_index);
@@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1(
ISCSI_LOGIN_STATUS_NO_RESOURCES);
pr_err("Unable to allocate memory for"
" struct iscsi_sess_ops.\n");
- return -1;
+ kfree(sess);
+ return -ENOMEM;
}
sess->se_sess = transport_init_session();
- if (!sess->se_sess) {
+ if (IS_ERR(sess->se_sess)) {
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
+ kfree(sess);
+ return -ENOMEM;
}
return 0;
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 426cd4bf6a9a..98936cb7c294 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -981,14 +981,13 @@ struct iscsi_login *iscsi_target_init_negotiation(
return NULL;
}
- login->req = kzalloc(ISCSI_HDR_LEN, GFP_KERNEL);
+ login->req = kmemdup(login_pdu, ISCSI_HDR_LEN, GFP_KERNEL);
if (!login->req) {
pr_err("Unable to allocate memory for Login Request.\n");
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
goto out;
}
- memcpy(login->req, login_pdu, ISCSI_HDR_LEN);
login->req_buf = kzalloc(MAX_KEY_VALUE_PAIRS, GFP_KERNEL);
if (!login->req_buf) {
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 3df1c9b8ae6b..81d5832fbbd5 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
&tl_cmd->tl_sense_buf[0]);
- /*
- * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
- */
if (scsi_bidi_cmnd(sc))
- se_cmd->t_tasks_bidi = 1;
+ se_cmd->se_cmd_flags |= SCF_BIDI;
+
/*
* Locate the struct se_lun pointer and attach it to struct se_cmd
*/
@@ -148,27 +146,13 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
* Allocate the necessary tasks to complete the received CDB+data
*/
ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
- if (ret == -ENOMEM) {
- /* Out of Resources */
- return PYX_TRANSPORT_LU_COMM_FAILURE;
- } else if (ret == -EINVAL) {
- /*
- * Handle case for SAM_STAT_RESERVATION_CONFLICT
- */
- if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
- /*
- * Otherwise, return SAM_STAT_CHECK_CONDITION and return
- * sense data.
- */
- return PYX_TRANSPORT_USE_SENSE_REASON;
- }
-
+ if (ret != 0)
+ return ret;
/*
* For BIDI commands, pass in the extra READ buffer
* to transport_generic_map_mem_to_cmd() below..
*/
- if (se_cmd->t_tasks_bidi) {
+ if (se_cmd->se_cmd_flags & SCF_BIDI) {
struct scsi_data_buffer *sdb = scsi_in(sc);
sgl_bidi = sdb->table.sgl;
@@ -194,12 +178,8 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
}
/* Tell the core about our preallocated memory */
- ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+ return transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
- if (ret < 0)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
-
- return 0;
}
/*
@@ -1360,17 +1340,16 @@ void tcm_loop_drop_scsi_hba(
{
struct tcm_loop_hba *tl_hba = container_of(wwn,
struct tcm_loop_hba, tl_hba_wwn);
- int host_no = tl_hba->sh->host_no;
+
+ pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
+ " SAS Address: %s at Linux/SCSI Host ID: %d\n",
+ tl_hba->tl_wwn_address, tl_hba->sh->host_no);
/*
* Call device_unregister() on the original tl_hba->dev.
* tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
* release *tl_hba;
*/
device_unregister(&tl_hba->dev);
-
- pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
- " SAS Address: %s at Linux/SCSI Host ID: %d\n",
- config_item_name(&wwn->wwn_group.cg_item), host_no);
}
/* Start items for tcm_loop_cit */
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 88f2ad43ec8b..1dcbef499d6a 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -191,9 +191,10 @@ int target_emulate_set_target_port_groups(struct se_task *task)
int alua_access_state, primary = 0, rc;
u16 tg_pt_id, rtpi;
- if (!l_port)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
-
+ if (!l_port) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
+ }
buf = transport_kmap_first_data_page(cmd);
/*
@@ -203,7 +204,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem;
if (!l_tg_pt_gp_mem) {
pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n");
- rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ rc = -EINVAL;
goto out;
}
spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
@@ -211,7 +213,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
if (!l_tg_pt_gp) {
spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n");
- rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ rc = -EINVAL;
goto out;
}
rc = (l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICT_ALUA);
@@ -220,7 +223,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
if (!rc) {
pr_debug("Unable to process SET_TARGET_PORT_GROUPS"
" while TPGS_EXPLICT_ALUA is disabled\n");
- rc = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ rc = -EINVAL;
goto out;
}
@@ -245,7 +249,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
* REQUEST, and the additional sense code set to INVALID
* FIELD IN PARAMETER LIST.
*/
- rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ rc = -EINVAL;
goto out;
}
rc = -1;
@@ -298,7 +303,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
* throw an exception with ASCQ: INVALID_PARAMETER_LIST
*/
if (rc != 0) {
- rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ rc = -EINVAL;
goto out;
}
} else {
@@ -335,7 +341,8 @@ int target_emulate_set_target_port_groups(struct se_task *task)
* INVALID_PARAMETER_LIST
*/
if (rc != 0) {
- rc = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ rc = -EINVAL;
goto out;
}
}
@@ -1184,7 +1191,6 @@ void core_alua_free_lu_gp(struct t10_alua_lu_gp *lu_gp)
* struct t10_alua_lu_gp.
*/
spin_lock(&lu_gps_lock);
- atomic_set(&lu_gp->lu_gp_shutdown, 1);
list_del(&lu_gp->lu_gp_node);
alua_lu_gps_count--;
spin_unlock(&lu_gps_lock);
@@ -1438,7 +1444,6 @@ struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
tg_pt_gp_mem->tg_pt = port;
port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem;
- atomic_set(&port->sep_tg_pt_gp_active, 1);
return tg_pt_gp_mem;
}
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 683ba02b8247..831468b3163d 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -478,7 +478,7 @@ target_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)
if (cmd->data_length < 60)
return 0;
- buf[2] = 0x3c;
+ buf[3] = 0x3c;
/* Set HEADSUP, ORDSUP, SIMPSUP */
buf[5] = 0x07;
@@ -703,6 +703,7 @@ int target_emulate_inquiry(struct se_task *task)
if (cmd->data_length < 4) {
pr_err("SCSI Inquiry payload length: %u"
" too small for EVPD=1\n", cmd->data_length);
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
return -EINVAL;
}
@@ -719,6 +720,7 @@ int target_emulate_inquiry(struct se_task *task)
}
pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]);
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
ret = -EINVAL;
out_unmap:
@@ -969,7 +971,8 @@ int target_emulate_modesense(struct se_task *task)
default:
pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n",
cdb[2] & 0x3f, cdb[3]);
- return PYX_TRANSPORT_UNKNOWN_MODE_PAGE;
+ cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
+ return -EINVAL;
}
offset += length;
@@ -1027,7 +1030,8 @@ int target_emulate_request_sense(struct se_task *task)
if (cdb[1] & 0x01) {
pr_err("REQUEST_SENSE description emulation not"
" supported\n");
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -ENOSYS;
}
buf = transport_kmap_first_data_page(cmd);
@@ -1100,7 +1104,8 @@ int target_emulate_unmap(struct se_task *task)
if (!dev->transport->do_discard) {
pr_err("UNMAP emulation not supported for: %s\n",
dev->transport->name);
- return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ return -ENOSYS;
}
/* First UNMAP block descriptor starts at 8 byte offset */
@@ -1157,7 +1162,8 @@ int target_emulate_write_same(struct se_task *task)
if (!dev->transport->do_discard) {
pr_err("WRITE_SAME emulation not supported"
" for: %s\n", dev->transport->name);
- return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ return -ENOSYS;
}
if (cmd->t_task_cdb[0] == WRITE_SAME)
@@ -1193,11 +1199,13 @@ int target_emulate_write_same(struct se_task *task)
int target_emulate_synchronize_cache(struct se_task *task)
{
struct se_device *dev = task->task_se_cmd->se_dev;
+ struct se_cmd *cmd = task->task_se_cmd;
if (!dev->transport->do_sync_cache) {
pr_err("SYNCHRONIZE_CACHE emulation not supported"
" for: %s\n", dev->transport->name);
- return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ return -ENOSYS;
}
dev->transport->do_sync_cache(task);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index e0c1e8a8dd4e..93d4f6a1b798 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -67,9 +67,6 @@ static struct config_group target_core_hbagroup;
static struct config_group alua_group;
static struct config_group alua_lu_gps_group;
-static DEFINE_SPINLOCK(se_device_lock);
-static LIST_HEAD(se_dev_list);
-
static inline struct se_hba *
item_to_hba(struct config_item *item)
{
@@ -2741,7 +2738,6 @@ static struct config_group *target_core_make_subdev(
" struct se_subsystem_dev\n");
goto unlock;
}
- INIT_LIST_HEAD(&se_dev->se_dev_node);
INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
@@ -2777,9 +2773,6 @@ static struct config_group *target_core_make_subdev(
" from allocate_virtdevice()\n");
goto out;
}
- spin_lock(&se_device_lock);
- list_add_tail(&se_dev->se_dev_node, &se_dev_list);
- spin_unlock(&se_device_lock);
config_group_init_type_name(&se_dev->se_dev_group, name,
&target_core_dev_cit);
@@ -2874,10 +2867,6 @@ static void target_core_drop_subdev(
mutex_lock(&hba->hba_access_mutex);
t = hba->transport;
- spin_lock(&se_device_lock);
- list_del(&se_dev->se_dev_node);
- spin_unlock(&se_device_lock);
-
dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
for (i = 0; dev_stat_grp->default_groups[i]; i++) {
df_item = &dev_stat_grp->default_groups[i]->cg_item;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index ba5edec2c5f8..9b8639425472 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -104,7 +104,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
se_cmd->se_lun = deve->se_lun;
se_cmd->pr_res_key = deve->pr_res_key;
se_cmd->orig_fe_lun = unpacked_lun;
- se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
}
spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -137,7 +136,6 @@ int transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
se_lun = &se_sess->se_tpg->tpg_virt_lun0;
se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
se_cmd->orig_fe_lun = 0;
- se_cmd->se_orig_obj_ptr = se_cmd->se_lun->lun_se_dev;
se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
}
/*
@@ -200,7 +198,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
se_lun = deve->se_lun;
se_cmd->pr_res_key = deve->pr_res_key;
se_cmd->orig_fe_lun = unpacked_lun;
- se_cmd->se_orig_obj_ptr = se_cmd->se_dev;
}
spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
@@ -708,7 +705,7 @@ done:
se_task->task_scsi_status = GOOD;
transport_complete_task(se_task, 1);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
/* se_release_device_for_hba():
@@ -957,8 +954,12 @@ int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
return -EINVAL;
}
- pr_err("dpo_emulated not supported\n");
- return -EINVAL;
+ if (flag) {
+ pr_err("dpo_emulated not supported\n");
+ return -EINVAL;
+ }
+
+ return 0;
}
int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
@@ -968,7 +969,7 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
return -EINVAL;
}
- if (dev->transport->fua_write_emulated == 0) {
+ if (flag && dev->transport->fua_write_emulated == 0) {
pr_err("fua_write_emulated not supported\n");
return -EINVAL;
}
@@ -985,8 +986,12 @@ int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
return -EINVAL;
}
- pr_err("ua read emulated not supported\n");
- return -EINVAL;
+ if (flag) {
+ pr_err("ua read emulated not supported\n");
+ return -EINVAL;
+ }
+
+ return 0;
}
int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
@@ -995,7 +1000,7 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
pr_err("Illegal value %d\n", flag);
return -EINVAL;
}
- if (dev->transport->write_cache_emulated == 0) {
+ if (flag && dev->transport->write_cache_emulated == 0) {
pr_err("write_cache_emulated not supported\n");
return -EINVAL;
}
@@ -1056,7 +1061,7 @@ int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
* We expect this value to be non-zero when generic Block Layer
* Discard supported is detected iblock_create_virtdevice().
*/
- if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+ if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
pr_err("Generic Block Discard not supported\n");
return -ENOSYS;
}
@@ -1077,7 +1082,7 @@ int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
* We expect this value to be non-zero when generic Block Layer
* Discard supported is detected iblock_create_virtdevice().
*/
- if (!dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+ if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
pr_err("Generic Block Discard not supported\n");
return -ENOSYS;
}
@@ -1587,7 +1592,6 @@ int core_dev_setup_virtual_lun0(void)
ret = -ENOMEM;
goto out;
}
- INIT_LIST_HEAD(&se_dev->se_dev_node);
INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 67cd6fe05bfa..b4864fba4ef0 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -289,9 +289,9 @@ static int fd_do_readv(struct se_task *task)
return -ENOMEM;
}
- for (i = 0; i < task->task_sg_nents; i++) {
- iov[i].iov_len = sg[i].length;
- iov[i].iov_base = sg_virt(&sg[i]);
+ for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+ iov[i].iov_len = sg->length;
+ iov[i].iov_base = sg_virt(sg);
}
old_fs = get_fs();
@@ -342,9 +342,9 @@ static int fd_do_writev(struct se_task *task)
return -ENOMEM;
}
- for (i = 0; i < task->task_sg_nents; i++) {
- iov[i].iov_len = sg[i].length;
- iov[i].iov_base = sg_virt(&sg[i]);
+ for_each_sg(task->task_sg, sg, task->task_sg_nents, i) {
+ iov[i].iov_len = sg->length;
+ iov[i].iov_base = sg_virt(sg);
}
old_fs = get_fs();
@@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task)
if (ret > 0 &&
dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
- cmd->t_tasks_fua) {
+ (cmd->se_cmd_flags & SCF_FUA)) {
/*
* We might need to be a bit smarter here
* and return some sense data to let the initiator
@@ -449,13 +449,15 @@ static int fd_do_task(struct se_task *task)
}
- if (ret < 0)
+ if (ret < 0) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
return ret;
+ }
if (ret) {
task->task_scsi_status = GOOD;
transport_complete_task(task, 1);
}
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
/* fd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 7698efe29262..4aa992204438 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task)
*/
if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
- task->task_se_cmd->t_tasks_fua))
+ (cmd->se_cmd_flags & SCF_FUA)))
rw = WRITE_FUA;
else
rw = WRITE;
@@ -554,12 +554,15 @@ static int iblock_do_task(struct se_task *task)
else {
pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
" %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOSYS;
}
bio = iblock_get_bio(task, block_lba, sg_num);
- if (!bio)
- return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+ if (!bio) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOMEM;
+ }
bio_list_init(&list);
bio_list_add(&list, bio);
@@ -588,12 +591,13 @@ static int iblock_do_task(struct se_task *task)
submit_bio(rw, bio);
blk_finish_plug(&plug);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
fail:
while ((bio = bio_list_pop(&list)))
bio_put(bio);
- return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOMEM;
}
static u32 iblock_get_device_rev(struct se_device *dev)
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5a4ebfc3a54f..95dee7074aeb 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -191,7 +191,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
pr_err("Received legacy SPC-2 RESERVE/RELEASE"
" while active SPC-3 registrations exist,"
" returning RESERVATION_CONFLICT\n");
- *ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
return true;
}
@@ -252,7 +252,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
(cmd->t_task_cdb[1] & 0x02)) {
pr_err("LongIO and Obselete Bits set, returning"
" ILLEGAL_REQUEST\n");
- ret = PYX_TRANSPORT_ILLEGAL_REQUEST;
+ cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
+ ret = -EINVAL;
goto out;
}
/*
@@ -277,7 +278,8 @@ int target_scsi2_reservation_reserve(struct se_task *task)
" from %s \n", cmd->se_lun->unpacked_lun,
cmd->se_deve->mapped_lun,
sess->se_node_acl->initiatorname);
- ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = -EINVAL;
goto out_unlock;
}
@@ -1510,7 +1512,8 @@ static int core_scsi3_decode_spec_i_port(
tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
if (!tidh_new) {
pr_err("Unable to allocate tidh_new\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
INIT_LIST_HEAD(&tidh_new->dest_list);
tidh_new->dest_tpg = tpg;
@@ -1522,7 +1525,8 @@ static int core_scsi3_decode_spec_i_port(
sa_res_key, all_tg_pt, aptpl);
if (!local_pr_reg) {
kfree(tidh_new);
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOMEM;
}
tidh_new->dest_pr_reg = local_pr_reg;
/*
@@ -1548,7 +1552,8 @@ static int core_scsi3_decode_spec_i_port(
pr_err("SPC-3 PR: Illegal tpdl: %u + 28 byte header"
" does not equal CDB data_length: %u\n", tpdl,
cmd->data_length);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
/*
@@ -1598,7 +1603,9 @@ static int core_scsi3_decode_spec_i_port(
" for tmp_tpg\n");
atomic_dec(&tmp_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_dec();
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -EINVAL;
goto out;
}
/*
@@ -1628,7 +1635,9 @@ static int core_scsi3_decode_spec_i_port(
atomic_dec(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
core_scsi3_tpg_undepend_item(tmp_tpg);
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -EINVAL;
goto out;
}
@@ -1646,7 +1655,8 @@ static int core_scsi3_decode_spec_i_port(
if (!dest_tpg) {
pr_err("SPC-3 PR SPEC_I_PT: Unable to locate"
" dest_tpg\n");
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
#if 0
@@ -1660,7 +1670,8 @@ static int core_scsi3_decode_spec_i_port(
" %u for Transport ID: %s\n", tid_len, ptr);
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
/*
@@ -1678,7 +1689,8 @@ static int core_scsi3_decode_spec_i_port(
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
@@ -1690,7 +1702,9 @@ static int core_scsi3_decode_spec_i_port(
smp_mb__after_atomic_dec();
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -EINVAL;
goto out;
}
#if 0
@@ -1727,7 +1741,9 @@ static int core_scsi3_decode_spec_i_port(
core_scsi3_lunacl_undepend_item(dest_se_deve);
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -ENOMEM;
goto out;
}
INIT_LIST_HEAD(&tidh_new->dest_list);
@@ -1759,7 +1775,8 @@ static int core_scsi3_decode_spec_i_port(
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
kfree(tidh_new);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2098,7 +2115,8 @@ static int core_scsi3_emulate_pro_register(
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
se_tpg = se_sess->se_tpg;
se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2117,13 +2135,14 @@ static int core_scsi3_emulate_pro_register(
if (res_key) {
pr_warn("SPC-3 PR: Reservation Key non-zero"
" for SA REGISTER, returning CONFLICT\n");
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* Do nothing but return GOOD status.
*/
if (!sa_res_key)
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
if (!spec_i_pt) {
/*
@@ -2138,7 +2157,8 @@ static int core_scsi3_emulate_pro_register(
if (ret != 0) {
pr_err("Unable to allocate"
" struct t10_pr_registration\n");
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
} else {
/*
@@ -2197,14 +2217,16 @@ static int core_scsi3_emulate_pro_register(
" 0x%016Lx\n", res_key,
pr_reg->pr_res_key);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
}
if (spec_i_pt) {
pr_err("SPC-3 PR UNREGISTER: SPEC_I_PT"
" set while sa_res_key=0\n");
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
/*
* An existing ALL_TG_PT=1 registration being released
@@ -2215,7 +2237,8 @@ static int core_scsi3_emulate_pro_register(
" registration exists, but ALL_TG_PT=1 bit not"
" present in received PROUT\n");
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
/*
* Allocate APTPL metadata buffer used for UNREGISTER ops
@@ -2227,7 +2250,9 @@ static int core_scsi3_emulate_pro_register(
pr_err("Unable to allocate"
" pr_aptpl_buf\n");
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
}
/*
@@ -2241,7 +2266,8 @@ static int core_scsi3_emulate_pro_register(
if (pr_holder < 0) {
kfree(pr_aptpl_buf);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
spin_lock(&pr_tmpl->registration_lock);
@@ -2405,7 +2431,8 @@ static int core_scsi3_pro_reserve(
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
se_tpg = se_sess->se_tpg;
se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
@@ -2417,7 +2444,8 @@ static int core_scsi3_pro_reserve(
if (!pr_reg) {
pr_err("SPC-3 PR: Unable to locate"
" PR_REGISTERED *pr_reg for RESERVE\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.9: Reserving:
@@ -2433,7 +2461,8 @@ static int core_scsi3_pro_reserve(
" does not match existing SA REGISTER res_key:"
" 0x%016Lx\n", res_key, pr_reg->pr_res_key);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.9: Reserving:
@@ -2448,7 +2477,8 @@ static int core_scsi3_pro_reserve(
if (scope != PR_SCOPE_LU_SCOPE) {
pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
/*
* See if we have an existing PR reservation holder pointer at
@@ -2480,7 +2510,8 @@ static int core_scsi3_pro_reserve(
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.9: Reserving:
@@ -2503,7 +2534,8 @@ static int core_scsi3_pro_reserve(
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.9: Reserving:
@@ -2517,7 +2549,7 @@ static int core_scsi3_pro_reserve(
*/
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
/*
* Otherwise, our *pr_reg becomes the PR reservation holder for said
@@ -2574,7 +2606,8 @@ static int core_scsi3_emulate_pro_reserve(
default:
pr_err("SPC-3 PR: Unknown Service Action RESERVE Type:"
" 0x%02x\n", type);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
return ret;
@@ -2630,7 +2663,8 @@ static int core_scsi3_emulate_pro_release(
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
/*
* Locate the existing *pr_reg via struct se_node_acl pointers
@@ -2639,7 +2673,8 @@ static int core_scsi3_emulate_pro_release(
if (!pr_reg) {
pr_err("SPC-3 PR: Unable to locate"
" PR_REGISTERED *pr_reg for RELEASE\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.11.2 Releasing:
@@ -2661,7 +2696,7 @@ static int core_scsi3_emulate_pro_release(
*/
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
if ((pr_res_holder->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) ||
(pr_res_holder->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG))
@@ -2675,7 +2710,7 @@ static int core_scsi3_emulate_pro_release(
*/
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
/*
* From spc4r17 Section 5.7.11.2 Releasing:
@@ -2697,7 +2732,8 @@ static int core_scsi3_emulate_pro_release(
" 0x%016Lx\n", res_key, pr_reg->pr_res_key);
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* From spc4r17 Section 5.7.11.2 Releasing and above:
@@ -2719,7 +2755,8 @@ static int core_scsi3_emulate_pro_release(
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* In response to a persistent reservation release request from the
@@ -2802,7 +2839,8 @@ static int core_scsi3_emulate_pro_clear(
if (!pr_reg_n) {
pr_err("SPC-3 PR: Unable to locate"
" PR_REGISTERED *pr_reg for CLEAR\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
/*
* From spc4r17 section 5.7.11.6, Clearing:
@@ -2821,7 +2859,8 @@ static int core_scsi3_emulate_pro_clear(
" existing SA REGISTER res_key:"
" 0x%016Lx\n", res_key, pr_reg_n->pr_res_key);
core_scsi3_put_pr_reg(pr_reg_n);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* a) Release the persistent reservation, if any;
@@ -2979,8 +3018,10 @@ static int core_scsi3_pro_preempt(
int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
int prh_type = 0, prh_scope = 0, ret;
- if (!se_sess)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ if (!se_sess) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
+ }
se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
@@ -2989,16 +3030,19 @@ static int core_scsi3_pro_preempt(
pr_err("SPC-3 PR: Unable to locate"
" PR_REGISTERED *pr_reg for PREEMPT%s\n",
(abort) ? "_AND_ABORT" : "");
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
if (pr_reg_n->pr_res_key != res_key) {
core_scsi3_put_pr_reg(pr_reg_n);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
if (scope != PR_SCOPE_LU_SCOPE) {
pr_err("SPC-3 PR: Illegal SCOPE: 0x%02x\n", scope);
core_scsi3_put_pr_reg(pr_reg_n);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
INIT_LIST_HEAD(&preempt_and_abort_list);
@@ -3012,7 +3056,8 @@ static int core_scsi3_pro_preempt(
if (!all_reg && !sa_res_key) {
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg_n);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
/*
* From spc4r17, section 5.7.11.4.4 Removing Registrations:
@@ -3106,7 +3151,8 @@ static int core_scsi3_pro_preempt(
if (!released_regs) {
spin_unlock(&dev->dev_reservation_lock);
core_scsi3_put_pr_reg(pr_reg_n);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* For an existing all registrants type reservation
@@ -3297,7 +3343,8 @@ static int core_scsi3_emulate_pro_preempt(
default:
pr_err("SPC-3 PR: Unknown Service Action PREEMPT%s"
" Type: 0x%02x\n", (abort) ? "_AND_ABORT" : "", type);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
return ret;
@@ -3331,7 +3378,8 @@ static int core_scsi3_emulate_pro_register_and_move(
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
memset(dest_iport, 0, 64);
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
@@ -3349,7 +3397,8 @@ static int core_scsi3_emulate_pro_register_and_move(
if (!pr_reg) {
pr_err("SPC-3 PR: Unable to locate PR_REGISTERED"
" *pr_reg for REGISTER_AND_MOVE\n");
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
/*
* The provided reservation key much match the existing reservation key
@@ -3360,7 +3409,8 @@ static int core_scsi3_emulate_pro_register_and_move(
" res_key: 0x%016Lx does not match existing SA REGISTER"
" res_key: 0x%016Lx\n", res_key, pr_reg->pr_res_key);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
/*
* The service active reservation key needs to be non zero
@@ -3369,7 +3419,8 @@ static int core_scsi3_emulate_pro_register_and_move(
pr_warn("SPC-3 PR REGISTER_AND_MOVE: Received zero"
" sa_res_key\n");
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
/*
@@ -3392,7 +3443,8 @@ static int core_scsi3_emulate_pro_register_and_move(
" does not equal CDB data_length: %u\n", tid_len,
cmd->data_length);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
spin_lock(&dev->se_port_lock);
@@ -3417,7 +3469,8 @@ static int core_scsi3_emulate_pro_register_and_move(
atomic_dec(&dest_se_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_dec();
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
}
spin_lock(&dev->se_port_lock);
@@ -3430,7 +3483,8 @@ static int core_scsi3_emulate_pro_register_and_move(
" fabric ops from Relative Target Port Identifier:"
" %hu\n", rtpi);
core_scsi3_put_pr_reg(pr_reg);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ return -EINVAL;
}
buf = transport_kmap_first_data_page(cmd);
@@ -3445,14 +3499,16 @@ static int core_scsi3_emulate_pro_register_and_move(
" from fabric: %s\n", proto_ident,
dest_tf_ops->get_fabric_proto_ident(dest_se_tpg),
dest_tf_ops->get_fabric_name());
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
" containg a valid tpg_parse_pr_out_transport_id"
" function pointer\n");
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -EINVAL;
goto out;
}
initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
@@ -3460,7 +3516,8 @@ static int core_scsi3_emulate_pro_register_and_move(
if (!initiator_str) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
" initiator_str from Transport ID\n");
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
@@ -3489,7 +3546,8 @@ static int core_scsi3_emulate_pro_register_and_move(
pr_err("SPC-3 PR REGISTER_AND_MOVE: TransportID: %s"
" matches: %s on received I_T Nexus\n", initiator_str,
pr_reg_nacl->initiatorname);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
if (!strcmp(iport_ptr, pr_reg->pr_reg_isid)) {
@@ -3497,7 +3555,8 @@ static int core_scsi3_emulate_pro_register_and_move(
" matches: %s %s on received I_T Nexus\n",
initiator_str, iport_ptr, pr_reg_nacl->initiatorname,
pr_reg->pr_reg_isid);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
after_iport_check:
@@ -3517,7 +3576,8 @@ after_iport_check:
pr_err("Unable to locate %s dest_node_acl for"
" TransportID%s\n", dest_tf_ops->get_fabric_name(),
initiator_str);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
ret = core_scsi3_nodeacl_depend_item(dest_node_acl);
@@ -3527,7 +3587,8 @@ after_iport_check:
atomic_dec(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
dest_node_acl = NULL;
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
#if 0
@@ -3543,7 +3604,8 @@ after_iport_check:
if (!dest_se_deve) {
pr_err("Unable to locate %s dest_se_deve from RTPI:"
" %hu\n", dest_tf_ops->get_fabric_name(), rtpi);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
@@ -3553,7 +3615,8 @@ after_iport_check:
atomic_dec(&dest_se_deve->pr_ref_count);
smp_mb__after_atomic_dec();
dest_se_deve = NULL;
- ret = PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ ret = -EINVAL;
goto out;
}
#if 0
@@ -3572,7 +3635,8 @@ after_iport_check:
pr_warn("SPC-3 PR REGISTER_AND_MOVE: No reservation"
" currently held\n");
spin_unlock(&dev->dev_reservation_lock);
- ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ ret = -EINVAL;
goto out;
}
/*
@@ -3585,7 +3649,8 @@ after_iport_check:
pr_warn("SPC-3 PR REGISTER_AND_MOVE: Calling I_T"
" Nexus is not reservation holder\n");
spin_unlock(&dev->dev_reservation_lock);
- ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = -EINVAL;
goto out;
}
/*
@@ -3603,7 +3668,8 @@ after_iport_check:
" reservation for type: %s\n",
core_scsi3_pr_dump_type(pr_res_holder->pr_res_type));
spin_unlock(&dev->dev_reservation_lock);
- ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = -EINVAL;
goto out;
}
pr_res_nacl = pr_res_holder->pr_reg_nacl;
@@ -3640,7 +3706,8 @@ after_iport_check:
sa_res_key, 0, aptpl, 2, 1);
if (ret != 0) {
spin_unlock(&dev->dev_reservation_lock);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
@@ -3771,7 +3838,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
pr_err("Received PERSISTENT_RESERVE CDB while legacy"
" SPC-2 reservation is held, returning"
" RESERVATION_CONFLICT\n");
- ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = EINVAL;
goto out;
}
@@ -3779,13 +3847,16 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
* FIXME: A NULL struct se_session pointer means an this is not coming from
* a $FABRIC_MOD's nexus, but from internal passthrough ops.
*/
- if (!cmd->se_sess)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ if (!cmd->se_sess) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -EINVAL;
+ }
if (cmd->data_length < 24) {
pr_warn("SPC-PR: Received PR OUT parameter list"
" length too small: %u\n", cmd->data_length);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
/*
@@ -3820,7 +3891,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
* SPEC_I_PT=1 is only valid for Service action: REGISTER
*/
if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) {
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
@@ -3837,7 +3909,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
(cmd->data_length != 24)) {
pr_warn("SPC-PR: Received PR OUT illegal parameter"
" list length: %u\n", cmd->data_length);
- ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+ ret = -EINVAL;
goto out;
}
/*
@@ -3878,7 +3951,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
default:
pr_err("Unknown PERSISTENT_RESERVE_OUT service"
" action: 0x%02x\n", cdb[1] & 0x1f);
- ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ ret = -EINVAL;
break;
}
@@ -3906,7 +3980,8 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
if (cmd->data_length < 8) {
pr_err("PRIN SA READ_KEYS SCSI Data Length: %u"
" too small\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
buf = transport_kmap_first_data_page(cmd);
@@ -3965,7 +4040,8 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
if (cmd->data_length < 8) {
pr_err("PRIN SA READ_RESERVATIONS SCSI Data Length: %u"
" too small\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
buf = transport_kmap_first_data_page(cmd);
@@ -4047,7 +4123,8 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
if (cmd->data_length < 6) {
pr_err("PRIN SA REPORT_CAPABILITIES SCSI Data Length:"
" %u too small\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
buf = transport_kmap_first_data_page(cmd);
@@ -4108,7 +4185,8 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
if (cmd->data_length < 8) {
pr_err("PRIN SA READ_FULL_STATUS SCSI Data Length: %u"
" too small\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
}
buf = transport_kmap_first_data_page(cmd);
@@ -4255,7 +4333,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
pr_err("Received PERSISTENT_RESERVE CDB while legacy"
" SPC-2 reservation is held, returning"
" RESERVATION_CONFLICT\n");
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EINVAL;
}
switch (cmd->t_task_cdb[1] & 0x1f) {
@@ -4274,7 +4353,8 @@ int target_scsi3_emulate_pr_in(struct se_task *task)
default:
pr_err("Unknown PERSISTENT_RESERVE_IN service"
" action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f);
- ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ ret = -EINVAL;
break;
}
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ed32e1efe429..8b15e56b0384 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -963,6 +963,7 @@ static inline struct bio *pscsi_get_bio(int sg_num)
static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
struct bio **hbio)
{
+ struct se_cmd *cmd = task->task_se_cmd;
struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
u32 task_sg_num = task->task_sg_nents;
struct bio *bio = NULL, *tbio = NULL;
@@ -971,7 +972,7 @@ static int pscsi_map_sg(struct se_task *task, struct scatterlist *task_sg,
u32 data_len = task->task_size, i, len, bytes, off;
int nr_pages = (task->task_size + task_sg[0].offset +
PAGE_SIZE - 1) >> PAGE_SHIFT;
- int nr_vecs = 0, rc, ret = PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+ int nr_vecs = 0, rc;
int rw = (task->task_data_direction == DMA_TO_DEVICE);
*hbio = NULL;
@@ -1058,11 +1059,13 @@ fail:
bio->bi_next = NULL;
bio_endio(bio, 0); /* XXX: should be error */
}
- return ret;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOMEM;
}
static int pscsi_do_task(struct se_task *task)
{
+ struct se_cmd *cmd = task->task_se_cmd;
struct pscsi_dev_virt *pdv = task->task_se_cmd->se_dev->dev_ptr;
struct pscsi_plugin_task *pt = PSCSI_TASK(task);
struct request *req;
@@ -1078,7 +1081,9 @@ static int pscsi_do_task(struct se_task *task)
if (!req || IS_ERR(req)) {
pr_err("PSCSI: blk_get_request() failed: %ld\n",
req ? IS_ERR(req) : -ENOMEM);
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENODEV;
}
} else {
BUG_ON(!task->task_size);
@@ -1087,8 +1092,11 @@ static int pscsi_do_task(struct se_task *task)
* Setup the main struct request for the task->task_sg[] payload
*/
ret = pscsi_map_sg(task, task->task_sg, &hbio);
- if (ret < 0)
- return PYX_TRANSPORT_LU_COMM_FAILURE;
+ if (ret < 0) {
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return ret;
+ }
req = blk_make_request(pdv->pdv_sd->request_queue, hbio,
GFP_KERNEL);
@@ -1115,7 +1123,7 @@ static int pscsi_do_task(struct se_task *task)
(task->task_se_cmd->sam_task_attr == MSG_HEAD_TAG),
pscsi_req_done);
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
fail:
while (hbio) {
@@ -1124,7 +1132,8 @@ fail:
bio->bi_next = NULL;
bio_endio(bio, 0); /* XXX: should be error */
}
- return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ return -ENOMEM;
}
/* pscsi_get_sense_buffer():
@@ -1198,9 +1207,8 @@ static inline void pscsi_process_SAM_status(
" 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
pt->pscsi_result);
task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
- task->task_error_status = PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
- task->task_se_cmd->transport_error_status =
- PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ task->task_se_cmd->scsi_sense_reason =
+ TCM_UNSUPPORTED_SCSI_OPCODE;
transport_complete_task(task, 0);
break;
}
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 5158d3846f19..02e51faa2f4e 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -343,235 +343,74 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
return NULL;
}
-/* rd_MEMCPY_read():
- *
- *
- */
-static int rd_MEMCPY_read(struct rd_request *req)
+static int rd_MEMCPY(struct rd_request *req, u32 read_rd)
{
struct se_task *task = &req->rd_task;
struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
struct rd_dev_sg_table *table;
- struct scatterlist *sg_d, *sg_s;
- void *dst, *src;
- u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
- u32 length, page_end = 0, table_sg_end;
+ struct scatterlist *rd_sg;
+ struct sg_mapping_iter m;
u32 rd_offset = req->rd_offset;
+ u32 src_len;
table = rd_get_sg_table(dev, req->rd_page);
if (!table)
return -EINVAL;
- table_sg_end = (table->page_end_offset - req->rd_page);
- sg_d = task->task_sg;
- sg_s = &table->sg_table[req->rd_page - table->page_start_offset];
+ rd_sg = &table->sg_table[req->rd_page - table->page_start_offset];
- pr_debug("RD[%u]: Read LBA: %llu, Size: %u Page: %u, Offset:"
- " %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
- req->rd_page, req->rd_offset);
-
- src_offset = rd_offset;
+ pr_debug("RD[%u]: %s LBA: %llu, Size: %u Page: %u, Offset: %u\n",
+ dev->rd_dev_id, read_rd ? "Read" : "Write",
+ task->task_lba, req->rd_size, req->rd_page,
+ rd_offset);
+ src_len = PAGE_SIZE - rd_offset;
+ sg_miter_start(&m, task->task_sg, task->task_sg_nents,
+ read_rd ? SG_MITER_TO_SG : SG_MITER_FROM_SG);
while (req->rd_size) {
- if ((sg_d[i].length - dst_offset) <
- (sg_s[j].length - src_offset)) {
- length = (sg_d[i].length - dst_offset);
-
- pr_debug("Step 1 - sg_d[%d]: %p length: %d"
- " offset: %u sg_s[%d].length: %u\n", i,
- &sg_d[i], sg_d[i].length, sg_d[i].offset, j,
- sg_s[j].length);
- pr_debug("Step 1 - length: %u dst_offset: %u"
- " src_offset: %u\n", length, dst_offset,
- src_offset);
-
- if (length > req->rd_size)
- length = req->rd_size;
-
- dst = sg_virt(&sg_d[i++]) + dst_offset;
- BUG_ON(!dst);
-
- src = sg_virt(&sg_s[j]) + src_offset;
- BUG_ON(!src);
-
- dst_offset = 0;
- src_offset = length;
- page_end = 0;
- } else {
- length = (sg_s[j].length - src_offset);
-
- pr_debug("Step 2 - sg_d[%d]: %p length: %d"
- " offset: %u sg_s[%d].length: %u\n", i,
- &sg_d[i], sg_d[i].length, sg_d[i].offset,
- j, sg_s[j].length);
- pr_debug("Step 2 - length: %u dst_offset: %u"
- " src_offset: %u\n", length, dst_offset,
- src_offset);
-
- if (length > req->rd_size)
- length = req->rd_size;
-
- dst = sg_virt(&sg_d[i]) + dst_offset;
- BUG_ON(!dst);
-
- if (sg_d[i].length == length) {
- i++;
- dst_offset = 0;
- } else
- dst_offset = length;
-
- src = sg_virt(&sg_s[j++]) + src_offset;
- BUG_ON(!src);
-
- src_offset = 0;
- page_end = 1;
- }
+ u32 len;
+ void *rd_addr;
- memcpy(dst, src, length);
+ sg_miter_next(&m);
+ len = min((u32)m.length, src_len);
+ m.consumed = len;
- pr_debug("page: %u, remaining size: %u, length: %u,"
- " i: %u, j: %u\n", req->rd_page,
- (req->rd_size - length), length, i, j);
+ rd_addr = sg_virt(rd_sg) + rd_offset;
- req->rd_size -= length;
- if (!req->rd_size)
- return 0;
+ if (read_rd)
+ memcpy(m.addr, rd_addr, len);
+ else
+ memcpy(rd_addr, m.addr, len);
- if (!page_end)
+ req->rd_size -= len;
+ if (!req->rd_size)
continue;
- if (++req->rd_page <= table->page_end_offset) {
- pr_debug("page: %u in same page table\n",
- req->rd_page);
+ src_len -= len;
+ if (src_len) {
+ rd_offset += len;
continue;
}
- pr_debug("getting new page table for page: %u\n",
- req->rd_page);
-
- table = rd_get_sg_table(dev, req->rd_page);
- if (!table)
- return -EINVAL;
-
- sg_s = &table->sg_table[j = 0];
- }
-
- return 0;
-}
-
-/* rd_MEMCPY_write():
- *
- *
- */
-static int rd_MEMCPY_write(struct rd_request *req)
-{
- struct se_task *task = &req->rd_task;
- struct rd_dev *dev = req->rd_task.task_se_cmd->se_dev->dev_ptr;
- struct rd_dev_sg_table *table;
- struct scatterlist *sg_d, *sg_s;
- void *dst, *src;
- u32 i = 0, j = 0, dst_offset = 0, src_offset = 0;
- u32 length, page_end = 0, table_sg_end;
- u32 rd_offset = req->rd_offset;
-
- table = rd_get_sg_table(dev, req->rd_page);
- if (!table)
- return -EINVAL;
-
- table_sg_end = (table->page_end_offset - req->rd_page);
- sg_d = &table->sg_table[req->rd_page - table->page_start_offset];
- sg_s = task->task_sg;
-
- pr_debug("RD[%d] Write LBA: %llu, Size: %u, Page: %u,"
- " Offset: %u\n", dev->rd_dev_id, task->task_lba, req->rd_size,
- req->rd_page, req->rd_offset);
-
- dst_offset = rd_offset;
-
- while (req->rd_size) {
- if ((sg_s[i].length - src_offset) <
- (sg_d[j].length - dst_offset)) {
- length = (sg_s[i].length - src_offset);
-
- pr_debug("Step 1 - sg_s[%d]: %p length: %d"
- " offset: %d sg_d[%d].length: %u\n", i,
- &sg_s[i], sg_s[i].length, sg_s[i].offset,
- j, sg_d[j].length);
- pr_debug("Step 1 - length: %u src_offset: %u"
- " dst_offset: %u\n", length, src_offset,
- dst_offset);
-
- if (length > req->rd_size)
- length = req->rd_size;
-
- src = sg_virt(&sg_s[i++]) + src_offset;
- BUG_ON(!src);
-
- dst = sg_virt(&sg_d[j]) + dst_offset;
- BUG_ON(!dst);
-
- src_offset = 0;
- dst_offset = length;
- page_end = 0;
- } else {
- length = (sg_d[j].length - dst_offset);
-
- pr_debug("Step 2 - sg_s[%d]: %p length: %d"
- " offset: %d sg_d[%d].length: %u\n", i,
- &sg_s[i], sg_s[i].length, sg_s[i].offset,
- j, sg_d[j].length);
- pr_debug("Step 2 - length: %u src_offset: %u"
- " dst_offset: %u\n", length, src_offset,
- dst_offset);
-
- if (length > req->rd_size)
- length = req->rd_size;
-
- src = sg_virt(&sg_s[i]) + src_offset;
- BUG_ON(!src);
-
- if (sg_s[i].length == length) {
- i++;
- src_offset = 0;
- } else
- src_offset = length;
-
- dst = sg_virt(&sg_d[j++]) + dst_offset;
- BUG_ON(!dst);
-
- dst_offset = 0;
- page_end = 1;
- }
-
- memcpy(dst, src, length);
-
- pr_debug("page: %u, remaining size: %u, length: %u,"
- " i: %u, j: %u\n", req->rd_page,
- (req->rd_size - length), length, i, j);
-
- req->rd_size -= length;
- if (!req->rd_size)
- return 0;
-
- if (!page_end)
- continue;
-
- if (++req->rd_page <= table->page_end_offset) {
- pr_debug("page: %u in same page table\n",
- req->rd_page);
+ /* rd page completed, next one please */
+ req->rd_page++;
+ rd_offset = 0;
+ src_len = PAGE_SIZE;
+ if (req->rd_page <= table->page_end_offset) {
+ rd_sg++;
continue;
}
- pr_debug("getting new page table for page: %u\n",
- req->rd_page);
-
table = rd_get_sg_table(dev, req->rd_page);
- if (!table)
+ if (!table) {
+ sg_miter_stop(&m);
return -EINVAL;
+ }
- sg_d = &table->sg_table[j = 0];
+ /* since we increment, the first sg entry is correct */
+ rd_sg = table->sg_table;
}
-
+ sg_miter_stop(&m);
return 0;
}
@@ -583,28 +422,21 @@ static int rd_MEMCPY_do_task(struct se_task *task)
{
struct se_device *dev = task->task_se_cmd->se_dev;
struct rd_request *req = RD_REQ(task);
- unsigned long long lba;
+ u64 tmp;
int ret;
- req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
- lba = task->task_lba;
- req->rd_offset = (do_div(lba,
- (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
- dev->se_sub_dev->se_dev_attrib.block_size;
+ tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
+ req->rd_offset = do_div(tmp, PAGE_SIZE);
+ req->rd_page = tmp;
req->rd_size = task->task_size;
- if (task->task_data_direction == DMA_FROM_DEVICE)
- ret = rd_MEMCPY_read(req);
- else
- ret = rd_MEMCPY_write(req);
-
+ ret = rd_MEMCPY(req, task->task_data_direction == DMA_FROM_DEVICE);
if (ret != 0)
return ret;
task->task_scsi_status = GOOD;
transport_complete_task(task, 1);
-
- return PYX_TRANSPORT_SENT_TO_TRANSPORT;
+ return 0;
}
/* rd_free_task(): (Part of se_subsystem_api_t template)
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 217e29df6297..684522805a1f 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -345,10 +345,6 @@ static void core_tmr_drain_cmd_list(
" %d t_fe_count: %d\n", (preempt_and_abort_list) ?
"Preempt" : "", cmd, cmd->t_state,
atomic_read(&cmd->t_fe_count));
- /*
- * Signal that the command has failed via cmd->se_cmd_flags,
- */
- transport_new_cmd_failure(cmd);
core_tmr_handle_tas_abort(tmr_nacl, cmd, tas,
atomic_read(&cmd->t_fe_count));
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3400ae6e93f8..0257658e2e3e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -61,7 +61,6 @@
static int sub_api_initialized;
static struct workqueue_struct *target_completion_wq;
-static struct kmem_cache *se_cmd_cache;
static struct kmem_cache *se_sess_cache;
struct kmem_cache *se_tmr_req_cache;
struct kmem_cache *se_ua_cache;
@@ -82,24 +81,18 @@ static int transport_generic_get_mem(struct se_cmd *cmd);
static void transport_put_cmd(struct se_cmd *cmd);
static void transport_remove_cmd_from_queue(struct se_cmd *cmd);
static int transport_set_sense_codes(struct se_cmd *cmd, u8 asc, u8 ascq);
-static void transport_generic_request_failure(struct se_cmd *, int, int);
+static void transport_generic_request_failure(struct se_cmd *);
static void target_complete_ok_work(struct work_struct *work);
int init_se_kmem_caches(void)
{
- se_cmd_cache = kmem_cache_create("se_cmd_cache",
- sizeof(struct se_cmd), __alignof__(struct se_cmd), 0, NULL);
- if (!se_cmd_cache) {
- pr_err("kmem_cache_create for struct se_cmd failed\n");
- goto out;
- }
se_tmr_req_cache = kmem_cache_create("se_tmr_cache",
sizeof(struct se_tmr_req), __alignof__(struct se_tmr_req),
0, NULL);
if (!se_tmr_req_cache) {
pr_err("kmem_cache_create() for struct se_tmr_req"
" failed\n");
- goto out_free_cmd_cache;
+ goto out;
}
se_sess_cache = kmem_cache_create("se_sess_cache",
sizeof(struct se_session), __alignof__(struct se_session),
@@ -182,8 +175,6 @@ out_free_sess_cache:
kmem_cache_destroy(se_sess_cache);
out_free_tmr_req_cache:
kmem_cache_destroy(se_tmr_req_cache);
-out_free_cmd_cache:
- kmem_cache_destroy(se_cmd_cache);
out:
return -ENOMEM;
}
@@ -191,7 +182,6 @@ out:
void release_se_kmem_caches(void)
{
destroy_workqueue(target_completion_wq);
- kmem_cache_destroy(se_cmd_cache);
kmem_cache_destroy(se_tmr_req_cache);
kmem_cache_destroy(se_sess_cache);
kmem_cache_destroy(se_ua_cache);
@@ -680,9 +670,9 @@ void transport_complete_sync_cache(struct se_cmd *cmd, int good)
task->task_scsi_status = GOOD;
} else {
task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
- task->task_error_status = PYX_TRANSPORT_ILLEGAL_REQUEST;
- task->task_se_cmd->transport_error_status =
- PYX_TRANSPORT_ILLEGAL_REQUEST;
+ task->task_se_cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+
}
transport_complete_task(task, good);
@@ -693,7 +683,7 @@ static void target_complete_failure_work(struct work_struct *work)
{
struct se_cmd *cmd = container_of(work, struct se_cmd, work);
- transport_generic_request_failure(cmd, 1, 1);
+ transport_generic_request_failure(cmd);
}
/* transport_complete_task():
@@ -755,10 +745,11 @@ void transport_complete_task(struct se_task *task, int success)
if (cmd->t_tasks_failed) {
if (!task->task_error_status) {
task->task_error_status =
- PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
- cmd->transport_error_status =
- PYX_TRANSPORT_UNKNOWN_SAM_OPCODE;
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
+
INIT_WORK(&cmd->work, target_complete_failure_work);
} else {
atomic_set(&cmd->t_transport_complete, 1);
@@ -1335,23 +1326,17 @@ struct se_device *transport_add_device_to_core_hba(
dev->se_hba = hba;
dev->se_sub_dev = se_dev;
dev->transport = transport;
- atomic_set(&dev->active_cmds, 0);
INIT_LIST_HEAD(&dev->dev_list);
INIT_LIST_HEAD(&dev->dev_sep_list);
INIT_LIST_HEAD(&dev->dev_tmr_list);
INIT_LIST_HEAD(&dev->execute_task_list);
INIT_LIST_HEAD(&dev->delayed_cmd_list);
- INIT_LIST_HEAD(&dev->ordered_cmd_list);
INIT_LIST_HEAD(&dev->state_task_list);
INIT_LIST_HEAD(&dev->qf_cmd_list);
spin_lock_init(&dev->execute_task_lock);
spin_lock_init(&dev->delayed_cmd_lock);
- spin_lock_init(&dev->ordered_cmd_lock);
- spin_lock_init(&dev->state_task_lock);
- spin_lock_init(&dev->dev_alua_lock);
spin_lock_init(&dev->dev_reservation_lock);
spin_lock_init(&dev->dev_status_lock);
- spin_lock_init(&dev->dev_status_thr_lock);
spin_lock_init(&dev->se_port_lock);
spin_lock_init(&dev->se_tmr_lock);
spin_lock_init(&dev->qf_cmd_lock);
@@ -1507,7 +1492,6 @@ void transport_init_se_cmd(
{
INIT_LIST_HEAD(&cmd->se_lun_node);
INIT_LIST_HEAD(&cmd->se_delayed_node);
- INIT_LIST_HEAD(&cmd->se_ordered_node);
INIT_LIST_HEAD(&cmd->se_qf_node);
INIT_LIST_HEAD(&cmd->se_queue_node);
INIT_LIST_HEAD(&cmd->se_cmd_list);
@@ -1573,6 +1557,8 @@ int transport_generic_allocate_tasks(
pr_err("Received SCSI CDB with command_size: %d that"
" exceeds SCSI_MAX_VARLEN_CDB_SIZE: %d\n",
scsi_command_size(cdb), SCSI_MAX_VARLEN_CDB_SIZE);
+ cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
return -EINVAL;
}
/*
@@ -1588,6 +1574,9 @@ int transport_generic_allocate_tasks(
" %u > sizeof(cmd->__t_task_cdb): %lu ops\n",
scsi_command_size(cdb),
(unsigned long)sizeof(cmd->__t_task_cdb));
+ cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+ cmd->scsi_sense_reason =
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
return -ENOMEM;
}
} else
@@ -1658,11 +1647,9 @@ int transport_handle_cdb_direct(
* and call transport_generic_request_failure() if necessary..
*/
ret = transport_generic_new_cmd(cmd);
- if (ret < 0) {
- cmd->transport_error_status = ret;
- transport_generic_request_failure(cmd, 0,
- (cmd->data_direction != DMA_TO_DEVICE));
- }
+ if (ret < 0)
+ transport_generic_request_failure(cmd);
+
return 0;
}
EXPORT_SYMBOL(transport_handle_cdb_direct);
@@ -1798,20 +1785,16 @@ static int transport_stop_tasks_for_cmd(struct se_cmd *cmd)
/*
* Handle SAM-esque emulation for generic transport request failures.
*/
-static void transport_generic_request_failure(
- struct se_cmd *cmd,
- int complete,
- int sc)
+static void transport_generic_request_failure(struct se_cmd *cmd)
{
int ret = 0;
pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x"
" CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd),
cmd->t_task_cdb[0]);
- pr_debug("-----[ i_state: %d t_state: %d transport_error_status: %d\n",
+ pr_debug("-----[ i_state: %d t_state: %d scsi_sense_reason: %d\n",
cmd->se_tfo->get_cmd_state(cmd),
- cmd->t_state,
- cmd->transport_error_status);
+ cmd->t_state, cmd->scsi_sense_reason);
pr_debug("-----[ t_tasks: %d t_task_cdbs_left: %d"
" t_task_cdbs_sent: %d t_task_cdbs_ex_left: %d --"
" t_transport_active: %d t_transport_stop: %d"
@@ -1829,46 +1812,19 @@ static void transport_generic_request_failure(
if (cmd->se_dev->dev_task_attr_type == SAM_TASK_ATTR_EMULATED)
transport_complete_task_attr(cmd);
- if (complete) {
- cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
- }
-
- switch (cmd->transport_error_status) {
- case PYX_TRANSPORT_UNKNOWN_SAM_OPCODE:
- cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
- break;
- case PYX_TRANSPORT_REQ_TOO_MANY_SECTORS:
- cmd->scsi_sense_reason = TCM_SECTOR_COUNT_TOO_MANY;
- break;
- case PYX_TRANSPORT_INVALID_CDB_FIELD:
- cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
- break;
- case PYX_TRANSPORT_INVALID_PARAMETER_LIST:
- cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
- break;
- case PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES:
- if (!sc)
- transport_new_cmd_failure(cmd);
- /*
- * Currently for PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES,
- * we force this session to fall back to session
- * recovery.
- */
- cmd->se_tfo->fall_back_to_erl0(cmd->se_sess);
- cmd->se_tfo->stop_session(cmd->se_sess, 0, 0);
-
- goto check_stop;
- case PYX_TRANSPORT_LU_COMM_FAILURE:
- case PYX_TRANSPORT_ILLEGAL_REQUEST:
- cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- break;
- case PYX_TRANSPORT_UNKNOWN_MODE_PAGE:
- cmd->scsi_sense_reason = TCM_UNKNOWN_MODE_PAGE;
- break;
- case PYX_TRANSPORT_WRITE_PROTECTED:
- cmd->scsi_sense_reason = TCM_WRITE_PROTECTED;
+ switch (cmd->scsi_sense_reason) {
+ case TCM_NON_EXISTENT_LUN:
+ case TCM_UNSUPPORTED_SCSI_OPCODE:
+ case TCM_INVALID_CDB_FIELD:
+ case TCM_INVALID_PARAMETER_LIST:
+ case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
+ case TCM_UNKNOWN_MODE_PAGE:
+ case TCM_WRITE_PROTECTED:
+ case TCM_CHECK_CONDITION_ABORT_CMD:
+ case TCM_CHECK_CONDITION_UNIT_ATTENTION:
+ case TCM_CHECK_CONDITION_NOT_READY:
break;
- case PYX_TRANSPORT_RESERVATION_CONFLICT:
+ case TCM_RESERVATION_CONFLICT:
/*
* No SENSE Data payload for this case, set SCSI Status
* and queue the response to $FABRIC_MOD.
@@ -1893,15 +1849,9 @@ static void transport_generic_request_failure(
if (ret == -EAGAIN || ret == -ENOMEM)
goto queue_full;
goto check_stop;
- case PYX_TRANSPORT_USE_SENSE_REASON:
- /*
- * struct se_cmd->scsi_sense_reason already set
- */
- break;
default:
pr_err("Unknown transport error for CDB 0x%02x: %d\n",
- cmd->t_task_cdb[0],
- cmd->transport_error_status);
+ cmd->t_task_cdb[0], cmd->scsi_sense_reason);
cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE;
break;
}
@@ -1912,14 +1862,10 @@ static void transport_generic_request_failure(
* transport_send_check_condition_and_sense() after handling
* possible unsoliticied write data payloads.
*/
- if (!sc && !cmd->se_tfo->new_cmd_map)
- transport_new_cmd_failure(cmd);
- else {
- ret = transport_send_check_condition_and_sense(cmd,
- cmd->scsi_sense_reason, 0);
- if (ret == -EAGAIN || ret == -ENOMEM)
- goto queue_full;
- }
+ ret = transport_send_check_condition_and_sense(cmd,
+ cmd->scsi_sense_reason, 0);
+ if (ret == -EAGAIN || ret == -ENOMEM)
+ goto queue_full;
check_stop:
transport_lun_remove_cmd(cmd);
@@ -2002,19 +1948,12 @@ static inline int transport_execute_task_attr(struct se_cmd *cmd)
* to allow the passed struct se_cmd list of tasks to the front of the list.
*/
if (cmd->sam_task_attr == MSG_HEAD_TAG) {
- atomic_inc(&cmd->se_dev->dev_hoq_count);
- smp_mb__after_atomic_inc();
pr_debug("Added HEAD_OF_QUEUE for CDB:"
" 0x%02x, se_ordered_id: %u\n",
cmd->t_task_cdb[0],
cmd->se_ordered_id);
return 1;
} else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
- spin_lock(&cmd->se_dev->ordered_cmd_lock);
- list_add_tail(&cmd->se_ordered_node,
- &cmd->se_dev->ordered_cmd_list);
- spin_unlock(&cmd->se_dev->ordered_cmd_lock);
-
atomic_inc(&cmd->se_dev->dev_ordered_sync);
smp_mb__after_atomic_inc();
@@ -2076,9 +2015,9 @@ static int transport_execute_tasks(struct se_cmd *cmd)
{
int add_tasks;
- if (se_dev_check_online(cmd->se_orig_obj_ptr) != 0) {
- cmd->transport_error_status = PYX_TRANSPORT_LU_COMM_FAILURE;
- transport_generic_request_failure(cmd, 0, 1);
+ if (se_dev_check_online(cmd->se_dev) != 0) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ transport_generic_request_failure(cmd);
return 0;
}
@@ -2163,14 +2102,13 @@ check_depth:
else
error = dev->transport->do_task(task);
if (error != 0) {
- cmd->transport_error_status = error;
spin_lock_irqsave(&cmd->t_state_lock, flags);
task->task_flags &= ~TF_ACTIVE;
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
atomic_set(&cmd->t_transport_sent, 0);
transport_stop_tasks_for_cmd(cmd);
atomic_inc(&dev->depth_left);
- transport_generic_request_failure(cmd, 0, 1);
+ transport_generic_request_failure(cmd);
}
goto check_depth;
@@ -2178,19 +2116,6 @@ check_depth:
return 0;
}
-void transport_new_cmd_failure(struct se_cmd *se_cmd)
-{
- unsigned long flags;
- /*
- * Any unsolicited data will get dumped for failed command inside of
- * the fabric plugin
- */
- spin_lock_irqsave(&se_cmd->t_state_lock, flags);
- se_cmd->se_cmd_flags |= SCF_SE_CMD_FAILED;
- se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
- spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
-}
-
static inline u32 transport_get_sectors_6(
unsigned char *cdb,
struct se_cmd *cmd,
@@ -2213,10 +2138,15 @@ static inline u32 transport_get_sectors_6(
/*
* Everything else assume TYPE_DISK Sector CDB location.
- * Use 8-bit sector value.
+ * Use 8-bit sector value. SBC-3 says:
+ *
+ * A TRANSFER LENGTH field set to zero specifies that 256
+ * logical blocks shall be written. Any other value
+ * specifies the number of logical blocks that shall be
+ * written.
*/
type_disk:
- return (u32)cdb[4];
+ return cdb[4] ? : 256;
}
static inline u32 transport_get_sectors_10(
@@ -2460,27 +2390,6 @@ static int transport_get_sense_data(struct se_cmd *cmd)
return -1;
}
-static int
-transport_handle_reservation_conflict(struct se_cmd *cmd)
-{
- cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
- cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
- cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT;
- /*
- * For UA Interlock Code 11b, a RESERVATION CONFLICT will
- * establish a UNIT ATTENTION with PREVIOUS RESERVATION
- * CONFLICT STATUS.
- *
- * See spc4r17, section 7.4.6 Control Mode Page, Table 349
- */
- if (cmd->se_sess &&
- cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2)
- core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
- cmd->orig_fe_lun, 0x2C,
- ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
- return -EINVAL;
-}
-
static inline long long transport_dev_end_lba(struct se_device *dev)
{
return dev->transport->get_blocks(dev) + 1;
@@ -2595,8 +2504,12 @@ static int transport_generic_cmd_sequencer(
*/
if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type) != 0) {
if (su_dev->t10_pr.pr_ops.t10_seq_non_holder(
- cmd, cdb, pr_reg_type) != 0)
- return transport_handle_reservation_conflict(cmd);
+ cmd, cdb, pr_reg_type) != 0) {
+ cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+ cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ return -EBUSY;
+ }
/*
* This means the CDB is allowed for the SCSI Initiator port
* when said port is *NOT* holding the legacy SPC-2 or
@@ -2658,7 +2571,8 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_32(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case WRITE_12:
@@ -2667,7 +2581,8 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_32(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case WRITE_16:
@@ -2676,12 +2591,13 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_64(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case XDWRITEREAD_10:
if ((cmd->data_direction != DMA_TO_DEVICE) ||
- !(cmd->t_tasks_bidi))
+ !(cmd->se_cmd_flags & SCF_BIDI))
goto out_invalid_cdb_field;
sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
if (sector_ret)
@@ -2700,7 +2616,8 @@ static int transport_generic_cmd_sequencer(
* Setup BIDI XOR callback to be run after I/O completion.
*/
cmd->transport_complete_callback = &transport_xor_callback;
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
break;
case VARIABLE_LENGTH_CMD:
service_action = get_unaligned_be16(&cdb[8]);
@@ -2728,7 +2645,8 @@ static int transport_generic_cmd_sequencer(
* completion.
*/
cmd->transport_complete_callback = &transport_xor_callback;
- cmd->t_tasks_fua = (cdb[10] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
break;
case WRITE_SAME_32:
sectors = transport_get_sectors_32(cdb, cmd, &sector_ret);
@@ -3171,18 +3089,13 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
" SIMPLE: %u\n", dev->dev_cur_ordered_id,
cmd->se_ordered_id);
} else if (cmd->sam_task_attr == MSG_HEAD_TAG) {
- atomic_dec(&dev->dev_hoq_count);
- smp_mb__after_atomic_dec();
dev->dev_cur_ordered_id++;
pr_debug("Incremented dev_cur_ordered_id: %u for"
" HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
cmd->se_ordered_id);
} else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
- spin_lock(&dev->ordered_cmd_lock);
- list_del(&cmd->se_ordered_node);
atomic_dec(&dev->dev_ordered_sync);
smp_mb__after_atomic_dec();
- spin_unlock(&dev->ordered_cmd_lock);
dev->dev_cur_ordered_id++;
pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
@@ -3495,6 +3408,18 @@ int transport_generic_map_mem_to_cmd(
if ((cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB) ||
(cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB)) {
+ /*
+ * Reject SCSI data overflow with map_mem_to_cmd() as incoming
+ * scatterlists already have been set to follow what the fabric
+ * passes for the original expected data transfer length.
+ */
+ if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+ pr_warn("Rejecting SCSI DATA overflow for fabric using"
+ " SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC\n");
+ cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
+ cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+ return -EINVAL;
+ }
cmd->t_data_sg = sgl;
cmd->t_data_nents = sgl_count;
@@ -3813,7 +3738,7 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
cmd->data_length) {
ret = transport_generic_get_mem(cmd);
if (ret < 0)
- return ret;
+ goto out_fail;
}
/*
@@ -3842,8 +3767,15 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
task_cdbs = transport_allocate_control_task(cmd);
}
- if (task_cdbs <= 0)
+ if (task_cdbs < 0)
goto out_fail;
+ else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) {
+ cmd->t_state = TRANSPORT_COMPLETE;
+ atomic_set(&cmd->t_transport_active, 1);
+ INIT_WORK(&cmd->work, target_complete_ok_work);
+ queue_work(target_completion_wq, &cmd->work);
+ return 0;
+ }
if (set_counts) {
atomic_inc(&cmd->t_fe_count);
@@ -3929,7 +3861,7 @@ static int transport_generic_write_pending(struct se_cmd *cmd)
else if (ret < 0)
return ret;
- return PYX_TRANSPORT_WRITE_PENDING;
+ return 1;
queue_full:
pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd);
@@ -4602,9 +4534,6 @@ void transport_send_task_abort(struct se_cmd *cmd)
if (cmd->se_tfo->write_pending_status(cmd) != 0) {
atomic_inc(&cmd->t_transport_aborted);
smp_mb__after_atomic_inc();
- cmd->scsi_status = SAM_STAT_TASK_ABORTED;
- transport_new_cmd_failure(cmd);
- return;
}
}
cmd->scsi_status = SAM_STAT_TASK_ABORTED;
@@ -4670,8 +4599,6 @@ static int transport_processing_thread(void *param)
struct se_cmd *cmd;
struct se_device *dev = (struct se_device *) param;
- set_user_nice(current, -20);
-
while (!kthread_should_stop()) {
ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq,
atomic_read(&dev->dev_queue_obj.queue_cnt) ||
@@ -4698,18 +4625,13 @@ get_cmd:
}
ret = cmd->se_tfo->new_cmd_map(cmd);
if (ret < 0) {
- cmd->transport_error_status = ret;
- transport_generic_request_failure(cmd,
- 0, (cmd->data_direction !=
- DMA_TO_DEVICE));
+ transport_generic_request_failure(cmd);
break;
}
ret = transport_generic_new_cmd(cmd);
if (ret < 0) {
- cmd->transport_error_status = ret;
- transport_generic_request_failure(cmd,
- 0, (cmd->data_direction !=
- DMA_TO_DEVICE));
+ transport_generic_request_failure(cmd);
+ break;
}
break;
case TRANSPORT_PROCESS_WRITE:
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 4fac37c4c615..71fc9cea5dc9 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -200,7 +200,7 @@ int ft_write_pending(struct se_cmd *se_cmd)
lport = ep->lp;
fp = fc_frame_alloc(lport, sizeof(*txrdy));
if (!fp)
- return PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES;
+ return -ENOMEM; /* Signal QUEUE_FULL */
txrdy = fc_frame_payload_get(fp, sizeof(*txrdy));
memset(txrdy, 0, sizeof(*txrdy));
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 5f770412ca40..9402b7387cac 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -436,8 +436,7 @@ static void ft_del_lport(struct se_wwn *wwn)
struct ft_lport_acl *lacl = container_of(wwn,
struct ft_lport_acl, fc_lport_wwn);
- pr_debug("del lport %s\n",
- config_item_name(&wwn->wwn_group.cg_item));
+ pr_debug("del lport %s\n", lacl->name);
mutex_lock(&ft_lport_lock);
list_del(&lacl->list);
mutex_unlock(&ft_lport_lock);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e8c564a53346..a8078d0638fa 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1458,6 +1458,16 @@ static const struct usb_device_id acm_ids[] = {
},
{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
},
+ /* Motorola H24 HSPA module: */
+ { USB_DEVICE(0x22b8, 0x2d91) }, /* modem */
+ { USB_DEVICE(0x22b8, 0x2d92) }, /* modem + diagnostics */
+ { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port */
+ { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics */
+ { USB_DEVICE(0x22b8, 0x2d96) }, /* modem + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d97) }, /* modem + diagnostics + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port + NMEA */
+ { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */
+
{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
.driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
data interface instead of
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c39d58860fa0..1a6f415c0d02 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2975,6 +2975,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
fsg_common_put(common);
usb_free_descriptors(fsg->function.descriptors);
usb_free_descriptors(fsg->function.hs_descriptors);
+ usb_free_descriptors(fsg->function.ss_descriptors);
kfree(fsg);
}
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 053f86d70009..ad96a3896729 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -349,7 +349,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
if (mod->irq_attch)
intenb1 |= ATTCHE;
- if (mod->irq_attch)
+ if (mod->irq_dtch)
intenb1 |= DTCHE;
if (mod->irq_sign)
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index bade761a1e52..7955de589951 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1267,6 +1267,7 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv)
dev_err(dev, "Failed to create hcd\n");
return -ENOMEM;
}
+ hcd->has_tt = 1; /* for low/full speed */
pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
if (!pipe_info) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e3426602dc82..6dd64534fad0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -663,7 +663,12 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) },
- { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) }, /* E398 3G Modem */
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) }, /* E398 3G PC UI Interface */
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) }, /* E398 3G Application Interface */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) },
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 8e964b91c447..284798aaf8b1 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -166,7 +166,7 @@ retry:
/*
* Get IO TLB memory from any location.
*/
- xen_io_tlb_start = alloc_bootmem(bytes);
+ xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes));
if (!xen_io_tlb_start) {
m = "Cannot allocate Xen-SWIOTLB buffer!\n";
goto error;
@@ -179,7 +179,7 @@ retry:
bytes,
xen_io_tlb_nslabs);
if (rc) {
- free_bootmem(__pa(xen_io_tlb_start), bytes);
+ free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes));
m = "Failed to get contiguous memory for DMA from Xen!\n"\
"You either: don't have the permissions, do not have"\
" enough free memory under 4GB, or the hypervisor memory"\