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authorEric Paris <eparis@redhat.com>2014-03-07 17:41:32 +0100
committerEric Paris <eparis@redhat.com>2014-03-07 17:41:32 +0100
commitb7d3622a39fde7658170b7f3cf6c6889bb8db30d (patch)
tree64f4e781ecb2a85d675e234072b988560bcd25f1 /drivers/s390/char
parentaudit: whitespace fix in kernel-parameters.txt (diff)
parentLinux 3.13 (diff)
downloadlinux-b7d3622a39fde7658170b7f3cf6c6889bb8db30d.tar.xz
linux-b7d3622a39fde7658170b7f3cf6c6889bb8db30d.zip
Merge tag 'v3.13' into for-3.15
Linux 3.13 Conflicts: include/net/xfrm.h Simple merge where v3.13 removed 'extern' from definitions and the audit tree did s/u32/unsigned int/ to the same definitions.
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/Makefile3
-rw-r--r--drivers/s390/char/fs3270.c1
-rw-r--r--drivers/s390/char/monwriter.c2
-rw-r--r--drivers/s390/char/raw3270.c4
-rw-r--r--drivers/s390/char/sclp.h5
-rw-r--r--drivers/s390/char/sclp_cmd.c180
-rw-r--r--drivers/s390/char/sclp_early.c263
-rw-r--r--drivers/s390/char/sclp_sdias.c78
-rw-r--r--drivers/s390/char/sclp_sdias.h46
-rw-r--r--drivers/s390/char/tty3270.c2
-rw-r--r--drivers/s390/char/zcore.c42
11 files changed, 368 insertions, 258 deletions
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index 17821a026c9c..b69ab17f13fa 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -3,7 +3,8 @@
#
obj-y += ctrlchar.o keyboard.o defkeymap.o sclp.o sclp_rw.o sclp_quiesce.o \
- sclp_cmd.o sclp_config.o sclp_cpi_sys.o sclp_ocf.o sclp_ctl.o
+ sclp_cmd.o sclp_config.o sclp_cpi_sys.o sclp_ocf.o sclp_ctl.o \
+ sclp_early.o
obj-$(CONFIG_TN3270) += raw3270.o
obj-$(CONFIG_TN3270_CONSOLE) += con3270.o
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index f93cc32eb818..71e974738014 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -564,6 +564,7 @@ static void __exit
fs3270_exit(void)
{
raw3270_unregister_notifier(&fs3270_notifier);
+ device_destroy(class3270, MKDEV(IBM_FS3270_MAJOR, 0));
__unregister_chrdev(IBM_FS3270_MAJOR, 0, 1, "fs3270");
}
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
index 4600aa10a1c6..668b32b0dc1d 100644
--- a/drivers/s390/char/monwriter.c
+++ b/drivers/s390/char/monwriter.c
@@ -60,7 +60,7 @@ static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn)
struct appldata_product_id id;
int rc;
- strcpy(id.prod_nr, "LNXAPPL");
+ strncpy(id.prod_nr, "LNXAPPL", 7);
id.prod_fn = myhdr->applid;
id.record_nr = myhdr->record_num;
id.version_nr = myhdr->version;
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 24a08e8f19e1..2cdec21e8924 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -615,10 +615,10 @@ raw3270_reset_device_cb(struct raw3270_request *rq, void *data)
if (rp->state != RAW3270_STATE_RESET)
return;
- if (rq && rq->rc) {
+ if (rq->rc) {
/* Reset command failed. */
rp->state = RAW3270_STATE_INIT;
- } else if (0 && MACHINE_IS_VM) {
+ } else if (MACHINE_IS_VM) {
raw3270_size_device_vm(rp);
raw3270_size_device_done(rp);
} else
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index 40d1406289ed..6fbe09686d18 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -99,6 +99,7 @@ struct init_sccb {
} __attribute__((packed));
extern u64 sclp_facilities;
+
#define SCLP_HAS_CHP_INFO (sclp_facilities & 0x8000000000000000ULL)
#define SCLP_HAS_CHP_RECONFIG (sclp_facilities & 0x2000000000000000ULL)
#define SCLP_HAS_CPU_INFO (sclp_facilities & 0x0800000000000000ULL)
@@ -179,6 +180,10 @@ void sclp_sdias_exit(void);
extern int sclp_console_pages;
extern int sclp_console_drop;
extern unsigned long sclp_console_full;
+extern u8 sclp_fac84;
+extern unsigned long long sclp_rzm;
+extern unsigned long long sclp_rnmax;
+extern __initdata int sclp_early_read_info_sccb_valid;
/* useful inlines */
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 77df9cb00688..eaa21d542c5c 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -28,168 +28,6 @@
#include "sclp.h"
-#define SCLP_CMDW_READ_SCP_INFO 0x00020001
-#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
-
-struct read_info_sccb {
- struct sccb_header header; /* 0-7 */
- u16 rnmax; /* 8-9 */
- u8 rnsize; /* 10 */
- u8 _reserved0[24 - 11]; /* 11-15 */
- u8 loadparm[8]; /* 24-31 */
- u8 _reserved1[48 - 32]; /* 32-47 */
- u64 facilities; /* 48-55 */
- u8 _reserved2[84 - 56]; /* 56-83 */
- u8 fac84; /* 84 */
- u8 fac85; /* 85 */
- u8 _reserved3[91 - 86]; /* 86-90 */
- u8 flags; /* 91 */
- u8 _reserved4[100 - 92]; /* 92-99 */
- u32 rnsize2; /* 100-103 */
- u64 rnmax2; /* 104-111 */
- u8 _reserved5[4096 - 112]; /* 112-4095 */
-} __attribute__((packed, aligned(PAGE_SIZE)));
-
-static struct init_sccb __initdata early_event_mask_sccb __aligned(PAGE_SIZE);
-static struct read_info_sccb __initdata early_read_info_sccb;
-static int __initdata early_read_info_sccb_valid;
-
-u64 sclp_facilities;
-static u8 sclp_fac84;
-static unsigned long long rzm;
-static unsigned long long rnmax;
-
-static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)
-{
- int rc;
-
- __ctl_set_bit(0, 9);
- rc = sclp_service_call(cmd, sccb);
- if (rc)
- goto out;
- __load_psw_mask(PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_MASK_EA |
- PSW_MASK_BA | PSW_MASK_EXT | PSW_MASK_WAIT);
- local_irq_disable();
-out:
- /* Contents of the sccb might have changed. */
- barrier();
- __ctl_clear_bit(0, 9);
- return rc;
-}
-
-static void __init sclp_read_info_early(void)
-{
- int rc;
- int i;
- struct read_info_sccb *sccb;
- sclp_cmdw_t commands[] = {SCLP_CMDW_READ_SCP_INFO_FORCED,
- SCLP_CMDW_READ_SCP_INFO};
-
- sccb = &early_read_info_sccb;
- for (i = 0; i < ARRAY_SIZE(commands); i++) {
- do {
- memset(sccb, 0, sizeof(*sccb));
- sccb->header.length = sizeof(*sccb);
- sccb->header.function_code = 0x80;
- sccb->header.control_mask[2] = 0x80;
- rc = sclp_cmd_sync_early(commands[i], sccb);
- } while (rc == -EBUSY);
-
- if (rc)
- break;
- if (sccb->header.response_code == 0x10) {
- early_read_info_sccb_valid = 1;
- break;
- }
- if (sccb->header.response_code != 0x1f0)
- break;
- }
-}
-
-static void __init sclp_event_mask_early(void)
-{
- struct init_sccb *sccb = &early_event_mask_sccb;
- int rc;
-
- do {
- memset(sccb, 0, sizeof(*sccb));
- sccb->header.length = sizeof(*sccb);
- sccb->mask_length = sizeof(sccb_mask_t);
- rc = sclp_cmd_sync_early(SCLP_CMDW_WRITE_EVENT_MASK, sccb);
- } while (rc == -EBUSY);
-}
-
-void __init sclp_facilities_detect(void)
-{
- struct read_info_sccb *sccb;
-
- sclp_read_info_early();
- if (!early_read_info_sccb_valid)
- return;
-
- sccb = &early_read_info_sccb;
- sclp_facilities = sccb->facilities;
- sclp_fac84 = sccb->fac84;
- if (sccb->fac85 & 0x02)
- S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
- rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
- rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
- rzm <<= 20;
-
- sclp_event_mask_early();
-}
-
-bool __init sclp_has_linemode(void)
-{
- struct init_sccb *sccb = &early_event_mask_sccb;
-
- if (sccb->header.response_code != 0x20)
- return 0;
- if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
- return 0;
- if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))
- return 0;
- return 1;
-}
-
-bool __init sclp_has_vt220(void)
-{
- struct init_sccb *sccb = &early_event_mask_sccb;
-
- if (sccb->header.response_code != 0x20)
- return 0;
- if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)
- return 1;
- return 0;
-}
-
-unsigned long long sclp_get_rnmax(void)
-{
- return rnmax;
-}
-
-unsigned long long sclp_get_rzm(void)
-{
- return rzm;
-}
-
-/*
- * This function will be called after sclp_facilities_detect(), which gets
- * called from early.c code. Therefore the sccb should have valid contents.
- */
-void __init sclp_get_ipl_info(struct sclp_ipl_info *info)
-{
- struct read_info_sccb *sccb;
-
- if (!early_read_info_sccb_valid)
- return;
- sccb = &early_read_info_sccb;
- info->is_valid = 1;
- if (sccb->flags & 0x2)
- info->has_dump = 1;
- memcpy(&info->loadparm, &sccb->loadparm, LOADPARM_LEN);
-}
-
static void sclp_sync_callback(struct sclp_req *req, void *data)
{
struct completion *completion = data;
@@ -356,14 +194,14 @@ struct assign_storage_sccb {
int arch_get_memory_phys_device(unsigned long start_pfn)
{
- if (!rzm)
+ if (!sclp_rzm)
return 0;
- return PFN_PHYS(start_pfn) >> ilog2(rzm);
+ return PFN_PHYS(start_pfn) >> ilog2(sclp_rzm);
}
static unsigned long long rn2addr(u16 rn)
{
- return (unsigned long long) (rn - 1) * rzm;
+ return (unsigned long long) (rn - 1) * sclp_rzm;
}
static int do_assign_storage(sclp_cmdw_t cmd, u16 rn)
@@ -404,7 +242,7 @@ static int sclp_assign_storage(u16 rn)
if (rc)
return rc;
start = rn2addr(rn);
- storage_key_init_range(start, start + rzm);
+ storage_key_init_range(start, start + sclp_rzm);
return 0;
}
@@ -462,7 +300,7 @@ static int sclp_mem_change_state(unsigned long start, unsigned long size,
istart = rn2addr(incr->rn);
if (start + size - 1 < istart)
break;
- if (start > istart + rzm - 1)
+ if (start > istart + sclp_rzm - 1)
continue;
if (online)
rc |= sclp_assign_storage(incr->rn);
@@ -526,7 +364,7 @@ static void __init add_memory_merged(u16 rn)
if (!first_rn)
goto skip_add;
start = rn2addr(first_rn);
- size = (unsigned long long ) num * rzm;
+ size = (unsigned long long) num * sclp_rzm;
if (start >= VMEM_MAX_PHYS)
goto skip_add;
if (start + size > VMEM_MAX_PHYS)
@@ -574,7 +412,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
}
if (!assigned)
new_incr->rn = last_rn + 1;
- if (new_incr->rn > rnmax) {
+ if (new_incr->rn > sclp_rnmax) {
kfree(new_incr);
return;
}
@@ -617,7 +455,7 @@ static int __init sclp_detect_standby_memory(void)
if (OLDMEM_BASE) /* No standby memory in kdump mode */
return 0;
- if (!early_read_info_sccb_valid)
+ if (!sclp_early_read_info_sccb_valid)
return 0;
if ((sclp_facilities & 0xe00000000000ULL) != 0xe00000000000ULL)
return 0;
@@ -661,7 +499,7 @@ static int __init sclp_detect_standby_memory(void)
}
if (rc || list_empty(&sclp_mem_list))
goto out;
- for (i = 1; i <= rnmax - assigned; i++)
+ for (i = 1; i <= sclp_rnmax - assigned; i++)
insert_increment(0, 1, 0);
rc = register_memory_notifier(&sclp_mem_nb);
if (rc)
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
new file mode 100644
index 000000000000..1465e9563101
--- /dev/null
+++ b/drivers/s390/char/sclp_early.c
@@ -0,0 +1,263 @@
+/*
+ * SCLP early driver
+ *
+ * Copyright IBM Corp. 2013
+ */
+
+#define KMSG_COMPONENT "sclp_early"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
+#include <asm/ctl_reg.h>
+#include <asm/sclp.h>
+#include <asm/ipl.h>
+#include "sclp_sdias.h"
+#include "sclp.h"
+
+#define SCLP_CMDW_READ_SCP_INFO 0x00020001
+#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
+
+struct read_info_sccb {
+ struct sccb_header header; /* 0-7 */
+ u16 rnmax; /* 8-9 */
+ u8 rnsize; /* 10 */
+ u8 _reserved0[24 - 11]; /* 11-15 */
+ u8 loadparm[8]; /* 24-31 */
+ u8 _reserved1[48 - 32]; /* 32-47 */
+ u64 facilities; /* 48-55 */
+ u8 _reserved2[84 - 56]; /* 56-83 */
+ u8 fac84; /* 84 */
+ u8 fac85; /* 85 */
+ u8 _reserved3[91 - 86]; /* 86-90 */
+ u8 flags; /* 91 */
+ u8 _reserved4[100 - 92]; /* 92-99 */
+ u32 rnsize2; /* 100-103 */
+ u64 rnmax2; /* 104-111 */
+ u8 _reserved5[4096 - 112]; /* 112-4095 */
+} __packed __aligned(PAGE_SIZE);
+
+static __initdata struct read_info_sccb early_read_info_sccb;
+static __initdata char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE);
+static unsigned long sclp_hsa_size;
+
+__initdata int sclp_early_read_info_sccb_valid;
+u64 sclp_facilities;
+u8 sclp_fac84;
+unsigned long long sclp_rzm;
+unsigned long long sclp_rnmax;
+
+static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)
+{
+ int rc;
+
+ __ctl_set_bit(0, 9);
+ rc = sclp_service_call(cmd, sccb);
+ if (rc)
+ goto out;
+ __load_psw_mask(PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_MASK_EA |
+ PSW_MASK_BA | PSW_MASK_EXT | PSW_MASK_WAIT);
+ local_irq_disable();
+out:
+ /* Contents of the sccb might have changed. */
+ barrier();
+ __ctl_clear_bit(0, 9);
+ return rc;
+}
+
+static void __init sclp_read_info_early(void)
+{
+ int rc;
+ int i;
+ struct read_info_sccb *sccb;
+ sclp_cmdw_t commands[] = {SCLP_CMDW_READ_SCP_INFO_FORCED,
+ SCLP_CMDW_READ_SCP_INFO};
+
+ sccb = &early_read_info_sccb;
+ for (i = 0; i < ARRAY_SIZE(commands); i++) {
+ do {
+ memset(sccb, 0, sizeof(*sccb));
+ sccb->header.length = sizeof(*sccb);
+ sccb->header.function_code = 0x80;
+ sccb->header.control_mask[2] = 0x80;
+ rc = sclp_cmd_sync_early(commands[i], sccb);
+ } while (rc == -EBUSY);
+
+ if (rc)
+ break;
+ if (sccb->header.response_code == 0x10) {
+ sclp_early_read_info_sccb_valid = 1;
+ break;
+ }
+ if (sccb->header.response_code != 0x1f0)
+ break;
+ }
+}
+
+static void __init sclp_facilities_detect(void)
+{
+ struct read_info_sccb *sccb;
+
+ sclp_read_info_early();
+ if (!sclp_early_read_info_sccb_valid)
+ return;
+
+ sccb = &early_read_info_sccb;
+ sclp_facilities = sccb->facilities;
+ sclp_fac84 = sccb->fac84;
+ if (sccb->fac85 & 0x02)
+ S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
+ sclp_rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
+ sclp_rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
+ sclp_rzm <<= 20;
+}
+
+bool __init sclp_has_linemode(void)
+{
+ struct init_sccb *sccb = (void *) &sccb_early;
+
+ if (sccb->header.response_code != 0x20)
+ return 0;
+ if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))
+ return 0;
+ return 1;
+}
+
+bool __init sclp_has_vt220(void)
+{
+ struct init_sccb *sccb = (void *) &sccb_early;
+
+ if (sccb->header.response_code != 0x20)
+ return 0;
+ if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)
+ return 1;
+ return 0;
+}
+
+unsigned long long sclp_get_rnmax(void)
+{
+ return sclp_rnmax;
+}
+
+unsigned long long sclp_get_rzm(void)
+{
+ return sclp_rzm;
+}
+
+/*
+ * This function will be called after sclp_facilities_detect(), which gets
+ * called from early.c code. Therefore the sccb should have valid contents.
+ */
+void __init sclp_get_ipl_info(struct sclp_ipl_info *info)
+{
+ struct read_info_sccb *sccb;
+
+ if (!sclp_early_read_info_sccb_valid)
+ return;
+ sccb = &early_read_info_sccb;
+ info->is_valid = 1;
+ if (sccb->flags & 0x2)
+ info->has_dump = 1;
+ memcpy(&info->loadparm, &sccb->loadparm, LOADPARM_LEN);
+}
+
+static int __init sclp_cmd_early(sclp_cmdw_t cmd, void *sccb)
+{
+ int rc;
+
+ do {
+ rc = sclp_cmd_sync_early(cmd, sccb);
+ } while (rc == -EBUSY);
+
+ if (rc)
+ return -EIO;
+ if (((struct sccb_header *) sccb)->response_code != 0x0020)
+ return -EIO;
+ return 0;
+}
+
+static void __init sccb_init_eq_size(struct sdias_sccb *sccb)
+{
+ memset(sccb, 0, sizeof(*sccb));
+
+ sccb->hdr.length = sizeof(*sccb);
+ sccb->evbuf.hdr.length = sizeof(struct sdias_evbuf);
+ sccb->evbuf.hdr.type = EVTYP_SDIAS;
+ sccb->evbuf.event_qual = SDIAS_EQ_SIZE;
+ sccb->evbuf.data_id = SDIAS_DI_FCP_DUMP;
+ sccb->evbuf.event_id = 4712;
+ sccb->evbuf.dbs = 1;
+}
+
+static int __init sclp_set_event_mask(unsigned long receive_mask,
+ unsigned long send_mask)
+{
+ struct init_sccb *sccb = (void *) &sccb_early;
+
+ memset(sccb, 0, sizeof(*sccb));
+ sccb->header.length = sizeof(*sccb);
+ sccb->mask_length = sizeof(sccb_mask_t);
+ sccb->receive_mask = receive_mask;
+ sccb->send_mask = send_mask;
+ return sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_MASK, sccb);
+}
+
+static long __init sclp_hsa_size_init(void)
+{
+ struct sdias_sccb *sccb = (void *) &sccb_early;
+
+ sccb_init_eq_size(sccb);
+ if (sclp_cmd_early(SCLP_CMDW_WRITE_EVENT_DATA, sccb))
+ return -EIO;
+ if (sccb->evbuf.blk_cnt != 0)
+ return (sccb->evbuf.blk_cnt - 1) * PAGE_SIZE;
+ return 0;
+}
+
+static long __init sclp_hsa_copy_wait(void)
+{
+ struct sccb_header *sccb = (void *) &sccb_early;
+
+ memset(sccb, 0, PAGE_SIZE);
+ sccb->length = PAGE_SIZE;
+ if (sclp_cmd_early(SCLP_CMDW_READ_EVENT_DATA, sccb))
+ return -EIO;
+ return (((struct sdias_sccb *) sccb)->evbuf.blk_cnt - 1) * PAGE_SIZE;
+}
+
+unsigned long sclp_get_hsa_size(void)
+{
+ return sclp_hsa_size;
+}
+
+static void __init sclp_hsa_size_detect(void)
+{
+ long size;
+
+ /* First try synchronous interface (LPAR) */
+ if (sclp_set_event_mask(0, 0x40000010))
+ return;
+ size = sclp_hsa_size_init();
+ if (size < 0)
+ return;
+ if (size != 0)
+ goto out;
+ /* Then try asynchronous interface (z/VM) */
+ if (sclp_set_event_mask(0x00000010, 0x40000010))
+ return;
+ size = sclp_hsa_size_init();
+ if (size < 0)
+ return;
+ size = sclp_hsa_copy_wait();
+ if (size < 0)
+ return;
+out:
+ sclp_hsa_size = size;
+}
+
+void __init sclp_early_detect(void)
+{
+ sclp_facilities_detect();
+ sclp_hsa_size_detect();
+ sclp_set_event_mask(0, 0);
+}
diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index b1032931a1c4..561a0414b352 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -1,7 +1,7 @@
/*
- * Sclp "store data in absolut storage"
+ * SCLP "store data in absolute storage"
*
- * Copyright IBM Corp. 2003, 2007
+ * Copyright IBM Corp. 2003, 2013
* Author(s): Michael Holzheu
*/
@@ -14,6 +14,7 @@
#include <asm/debug.h>
#include <asm/ipl.h>
+#include "sclp_sdias.h"
#include "sclp.h"
#include "sclp_rw.h"
@@ -22,46 +23,12 @@
#define SDIAS_RETRIES 300
#define SDIAS_SLEEP_TICKS 50
-#define EQ_STORE_DATA 0x0
-#define EQ_SIZE 0x1
-#define DI_FCP_DUMP 0x0
-#define ASA_SIZE_32 0x0
-#define ASA_SIZE_64 0x1
-#define EVSTATE_ALL_STORED 0x0
-#define EVSTATE_NO_DATA 0x3
-#define EVSTATE_PART_STORED 0x10
-
static struct debug_info *sdias_dbf;
static struct sclp_register sclp_sdias_register = {
.send_mask = EVTYP_SDIAS_MASK,
};
-struct sdias_evbuf {
- struct evbuf_header hdr;
- u8 event_qual;
- u8 data_id;
- u64 reserved2;
- u32 event_id;
- u16 reserved3;
- u8 asa_size;
- u8 event_status;
- u32 reserved4;
- u32 blk_cnt;
- u64 asa;
- u32 reserved5;
- u32 fbn;
- u32 reserved6;
- u32 lbn;
- u16 reserved7;
- u16 dbs;
-} __attribute__((packed));
-
-struct sdias_sccb {
- struct sccb_header hdr;
- struct sdias_evbuf evbuf;
-} __attribute__((packed));
-
static struct sdias_sccb sccb __attribute__((aligned(4096)));
static struct sdias_evbuf sdias_evbuf;
@@ -148,8 +115,8 @@ int sclp_sdias_blk_count(void)
sccb.hdr.length = sizeof(sccb);
sccb.evbuf.hdr.length = sizeof(struct sdias_evbuf);
sccb.evbuf.hdr.type = EVTYP_SDIAS;
- sccb.evbuf.event_qual = EQ_SIZE;
- sccb.evbuf.data_id = DI_FCP_DUMP;
+ sccb.evbuf.event_qual = SDIAS_EQ_SIZE;
+ sccb.evbuf.data_id = SDIAS_DI_FCP_DUMP;
sccb.evbuf.event_id = 4712;
sccb.evbuf.dbs = 1;
@@ -208,13 +175,13 @@ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks)
sccb.evbuf.hdr.length = sizeof(struct sdias_evbuf);
sccb.evbuf.hdr.type = EVTYP_SDIAS;
sccb.evbuf.hdr.flags = 0;
- sccb.evbuf.event_qual = EQ_STORE_DATA;
- sccb.evbuf.data_id = DI_FCP_DUMP;
+ sccb.evbuf.event_qual = SDIAS_EQ_STORE_DATA;
+ sccb.evbuf.data_id = SDIAS_DI_FCP_DUMP;
sccb.evbuf.event_id = 4712;
#ifdef CONFIG_64BIT
- sccb.evbuf.asa_size = ASA_SIZE_64;
+ sccb.evbuf.asa_size = SDIAS_ASA_SIZE_64;
#else
- sccb.evbuf.asa_size = ASA_SIZE_32;
+ sccb.evbuf.asa_size = SDIAS_ASA_SIZE_32;
#endif
sccb.evbuf.event_status = 0;
sccb.evbuf.blk_cnt = nr_blks;
@@ -240,20 +207,19 @@ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks)
}
switch (sdias_evbuf.event_status) {
- case EVSTATE_ALL_STORED:
- TRACE("all stored\n");
- break;
- case EVSTATE_PART_STORED:
- TRACE("part stored: %i\n", sdias_evbuf.blk_cnt);
- break;
- case EVSTATE_NO_DATA:
- TRACE("no data\n");
- /* fall through */
- default:
- pr_err("Error from SCLP while copying hsa. "
- "Event status = %x\n",
- sdias_evbuf.event_status);
- rc = -EIO;
+ case SDIAS_EVSTATE_ALL_STORED:
+ TRACE("all stored\n");
+ break;
+ case SDIAS_EVSTATE_PART_STORED:
+ TRACE("part stored: %i\n", sdias_evbuf.blk_cnt);
+ break;
+ case SDIAS_EVSTATE_NO_DATA:
+ TRACE("no data\n");
+ /* fall through */
+ default:
+ pr_err("Error from SCLP while copying hsa. Event status = %x\n",
+ sdias_evbuf.event_status);
+ rc = -EIO;
}
out:
mutex_unlock(&sdias_mutex);
diff --git a/drivers/s390/char/sclp_sdias.h b/drivers/s390/char/sclp_sdias.h
new file mode 100644
index 000000000000..f2431c414150
--- /dev/null
+++ b/drivers/s390/char/sclp_sdias.h
@@ -0,0 +1,46 @@
+/*
+ * SCLP "store data in absolute storage"
+ *
+ * Copyright IBM Corp. 2003, 2013
+ */
+
+#ifndef SCLP_SDIAS_H
+#define SCLP_SDIAS_H
+
+#include "sclp.h"
+
+#define SDIAS_EQ_STORE_DATA 0x0
+#define SDIAS_EQ_SIZE 0x1
+#define SDIAS_DI_FCP_DUMP 0x0
+#define SDIAS_ASA_SIZE_32 0x0
+#define SDIAS_ASA_SIZE_64 0x1
+#define SDIAS_EVSTATE_ALL_STORED 0x0
+#define SDIAS_EVSTATE_NO_DATA 0x3
+#define SDIAS_EVSTATE_PART_STORED 0x10
+
+struct sdias_evbuf {
+ struct evbuf_header hdr;
+ u8 event_qual;
+ u8 data_id;
+ u64 reserved2;
+ u32 event_id;
+ u16 reserved3;
+ u8 asa_size;
+ u8 event_status;
+ u32 reserved4;
+ u32 blk_cnt;
+ u64 asa;
+ u32 reserved5;
+ u32 fbn;
+ u32 reserved6;
+ u32 lbn;
+ u16 reserved7;
+ u16 dbs;
+} __packed;
+
+struct sdias_sccb {
+ struct sccb_header hdr;
+ struct sdias_evbuf evbuf;
+} __packed;
+
+#endif /* SCLP_SDIAS_H */
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 3f4ca4e09a4c..34629ea913d4 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -942,7 +942,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
return rc;
}
- tp->screen = tty3270_alloc_screen(tp->view.cols, tp->view.rows);
+ tp->screen = tty3270_alloc_screen(tp->view.rows, tp->view.cols);
if (IS_ERR(tp->screen)) {
rc = PTR_ERR(tp->screen);
raw3270_put_view(&tp->view);
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 794820a123d0..3d8e4d63f514 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -151,7 +151,7 @@ static int __init init_cpu_info(enum arch_id arch)
/* get info for boot cpu from lowcore, stored in the HSA */
- sa = kmalloc(sizeof(*sa), GFP_KERNEL);
+ sa = dump_save_area_create(0);
if (!sa)
return -ENOMEM;
if (memcpy_hsa_kernel(sa, sys_info.sa_base, sys_info.sa_size) < 0) {
@@ -159,7 +159,6 @@ static int __init init_cpu_info(enum arch_id arch)
kfree(sa);
return -EIO;
}
- zfcpdump_save_areas[0] = sa;
return 0;
}
@@ -246,24 +245,25 @@ static int copy_lc(void __user *buf, void *sa, int sa_off, int len)
static int zcore_add_lc(char __user *buf, unsigned long start, size_t count)
{
unsigned long end;
- int i = 0;
+ int i;
if (count == 0)
return 0;
end = start + count;
- while (zfcpdump_save_areas[i]) {
+ for (i = 0; i < dump_save_areas.count; i++) {
unsigned long cp_start, cp_end; /* copy range */
unsigned long sa_start, sa_end; /* save area range */
unsigned long prefix;
unsigned long sa_off, len, buf_off;
+ struct save_area *save_area = dump_save_areas.areas[i];
- prefix = zfcpdump_save_areas[i]->pref_reg;
+ prefix = save_area->pref_reg;
sa_start = prefix + sys_info.sa_base;
sa_end = prefix + sys_info.sa_base + sys_info.sa_size;
if ((end < sa_start) || (start > sa_end))
- goto next;
+ continue;
cp_start = max(start, sa_start);
cp_end = min(end, sa_end);
@@ -272,10 +272,8 @@ static int zcore_add_lc(char __user *buf, unsigned long start, size_t count)
len = cp_end - cp_start;
TRACE("copy_lc for: %lx\n", start);
- if (copy_lc(buf + buf_off, zfcpdump_save_areas[i], sa_off, len))
+ if (copy_lc(buf + buf_off, save_area, sa_off, len))
return -EFAULT;
-next:
- i++;
}
return 0;
}
@@ -330,9 +328,9 @@ static ssize_t zcore_read(struct file *file, char __user *buf, size_t count,
mem_offs = 0;
/* Copy from HSA data */
- if (*ppos < (ZFCPDUMP_HSA_SIZE + HEADER_SIZE)) {
- size = min((count - hdr_count), (size_t) (ZFCPDUMP_HSA_SIZE
- - mem_start));
+ if (*ppos < sclp_get_hsa_size() + HEADER_SIZE) {
+ size = min((count - hdr_count),
+ (size_t) (sclp_get_hsa_size() - mem_start));
rc = memcpy_hsa_user(buf + hdr_count, mem_start, size);
if (rc)
goto fail;
@@ -492,7 +490,7 @@ static ssize_t zcore_hsa_read(struct file *filp, char __user *buf,
static char str[18];
if (hsa_available)
- snprintf(str, sizeof(str), "%lx\n", ZFCPDUMP_HSA_SIZE);
+ snprintf(str, sizeof(str), "%lx\n", sclp_get_hsa_size());
else
snprintf(str, sizeof(str), "0\n");
return simple_read_from_buffer(buf, count, ppos, str, strlen(str));
@@ -586,17 +584,9 @@ static int __init sys_info_init(enum arch_id arch, unsigned long mem_end)
static int __init check_sdias(void)
{
- int rc, act_hsa_size;
-
- rc = sclp_sdias_blk_count();
- if (rc < 0) {
+ if (!sclp_get_hsa_size()) {
TRACE("Could not determine HSA size\n");
- return rc;
- }
- act_hsa_size = (rc - 1) * PAGE_SIZE;
- if (act_hsa_size < ZFCPDUMP_HSA_SIZE) {
- TRACE("HSA size too small: %i\n", act_hsa_size);
- return -EINVAL;
+ return -ENODEV;
}
return 0;
}
@@ -637,8 +627,8 @@ static void __init zcore_header_init(int arch, struct zcore_header *hdr,
hdr->num_pages = mem_size / PAGE_SIZE;
hdr->tod = get_tod_clock();
get_cpu_id(&hdr->cpu_id);
- for (i = 0; zfcpdump_save_areas[i]; i++) {
- prefix = zfcpdump_save_areas[i]->pref_reg;
+ for (i = 0; i < dump_save_areas.count; i++) {
+ prefix = dump_save_areas.areas[i]->pref_reg;
hdr->real_cpu_cnt++;
if (!prefix)
continue;
@@ -664,7 +654,7 @@ static int __init zcore_reipl_init(void)
ipl_block = (void *) __get_free_page(GFP_KERNEL);
if (!ipl_block)
return -ENOMEM;
- if (ipib_info.ipib < ZFCPDUMP_HSA_SIZE)
+ if (ipib_info.ipib < sclp_get_hsa_size())
rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE);
else
rc = memcpy_real(ipl_block, (void *) ipib_info.ipib, PAGE_SIZE);