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-rw-r--r--arch/s390/include/asm/pci_insn.h10
-rw-r--r--arch/s390/include/asm/sclp.h1
-rw-r--r--arch/s390/include/uapi/asm/dasd.h154
-rw-r--r--arch/s390/kernel/early.c2
-rw-r--r--arch/s390/kernel/ipl.c7
-rw-r--r--arch/s390/kernel/perf_cpum_cf_events.c2
-rw-r--r--arch/s390/kernel/unwind_bc.c2
-rw-r--r--arch/s390/pci/pci.c4
-rw-r--r--arch/s390/pci/pci_sysfs.c10
9 files changed, 96 insertions, 96 deletions
diff --git a/arch/s390/include/asm/pci_insn.h b/arch/s390/include/asm/pci_insn.h
index ff81ed19c506..61cf9531f68f 100644
--- a/arch/s390/include/asm/pci_insn.h
+++ b/arch/s390/include/asm/pci_insn.h
@@ -143,14 +143,4 @@ static inline int zpci_set_irq_ctrl(u16 ctl, u8 isc)
return __zpci_set_irq_ctrl(ctl, isc, &iib);
}
-#ifdef CONFIG_PCI
-static inline void enable_mio_ctl(void)
-{
- if (static_branch_likely(&have_mio))
- __ctl_set_bit(2, 5);
-}
-#else /* CONFIG_PCI */
-static inline void enable_mio_ctl(void) {}
-#endif /* CONFIG_PCI */
-
#endif
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index f577c5f6031a..c563f8368b19 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -80,7 +80,6 @@ struct sclp_info {
unsigned char has_gisaf : 1;
unsigned char has_diag318 : 1;
unsigned char has_sipl : 1;
- unsigned char has_sipl_g2 : 1;
unsigned char has_dirq : 1;
unsigned int ibc;
unsigned int mtid;
diff --git a/arch/s390/include/uapi/asm/dasd.h b/arch/s390/include/uapi/asm/dasd.h
index 832be5c2584f..9ec86fae9980 100644
--- a/arch/s390/include/uapi/asm/dasd.h
+++ b/arch/s390/include/uapi/asm/dasd.h
@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/*
+/*
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* Copyright IBM Corp. 1999, 2000
@@ -21,40 +21,40 @@
#define DASD_API_VERSION 6
-/*
+/*
* struct dasd_information2_t
* represents any data about the device, which is visible to userspace.
* including foramt and featueres.
*/
typedef struct dasd_information2_t {
- unsigned int devno; /* S/390 devno */
- unsigned int real_devno; /* for aliases */
- unsigned int schid; /* S/390 subchannel identifier */
- unsigned int cu_type : 16; /* from SenseID */
- unsigned int cu_model : 8; /* from SenseID */
- unsigned int dev_type : 16; /* from SenseID */
- unsigned int dev_model : 8; /* from SenseID */
- unsigned int open_count;
- unsigned int req_queue_len;
- unsigned int chanq_len; /* length of chanq */
- char type[4]; /* from discipline.name, 'none' for unknown */
- unsigned int status; /* current device level */
- unsigned int label_block; /* where to find the VOLSER */
- unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
- unsigned int characteristics_size;
- unsigned int confdata_size;
- char characteristics[64]; /* from read_device_characteristics */
- char configuration_data[256]; /* from read_configuration_data */
- unsigned int format; /* format info like formatted/cdl/ldl/... */
- unsigned int features; /* dasd features like 'ro',... */
- unsigned int reserved0; /* reserved for further use ,... */
- unsigned int reserved1; /* reserved for further use ,... */
- unsigned int reserved2; /* reserved for further use ,... */
- unsigned int reserved3; /* reserved for further use ,... */
- unsigned int reserved4; /* reserved for further use ,... */
- unsigned int reserved5; /* reserved for further use ,... */
- unsigned int reserved6; /* reserved for further use ,... */
- unsigned int reserved7; /* reserved for further use ,... */
+ unsigned int devno; /* S/390 devno */
+ unsigned int real_devno; /* for aliases */
+ unsigned int schid; /* S/390 subchannel identifier */
+ unsigned int cu_type : 16; /* from SenseID */
+ unsigned int cu_model : 8; /* from SenseID */
+ unsigned int dev_type : 16; /* from SenseID */
+ unsigned int dev_model : 8; /* from SenseID */
+ unsigned int open_count;
+ unsigned int req_queue_len;
+ unsigned int chanq_len; /* length of chanq */
+ char type[4]; /* from discipline.name, 'none' for unknown */
+ unsigned int status; /* current device level */
+ unsigned int label_block; /* where to find the VOLSER */
+ unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
+ unsigned int characteristics_size;
+ unsigned int confdata_size;
+ char characteristics[64]; /* from read_device_characteristics */
+ char configuration_data[256]; /* from read_configuration_data */
+ unsigned int format; /* format info like formatted/cdl/ldl/... */
+ unsigned int features; /* dasd features like 'ro',... */
+ unsigned int reserved0; /* reserved for further use ,... */
+ unsigned int reserved1; /* reserved for further use ,... */
+ unsigned int reserved2; /* reserved for further use ,... */
+ unsigned int reserved3; /* reserved for further use ,... */
+ unsigned int reserved4; /* reserved for further use ,... */
+ unsigned int reserved5; /* reserved for further use ,... */
+ unsigned int reserved6; /* reserved for further use ,... */
+ unsigned int reserved7; /* reserved for further use ,... */
} dasd_information2_t;
/*
@@ -92,34 +92,34 @@ typedef struct dasd_information2_t {
#define DASD_PARTN_BITS 2
-/*
+/*
* struct dasd_information_t
* represents any data about the data, which is visible to userspace
*/
typedef struct dasd_information_t {
- unsigned int devno; /* S/390 devno */
- unsigned int real_devno; /* for aliases */
- unsigned int schid; /* S/390 subchannel identifier */
- unsigned int cu_type : 16; /* from SenseID */
- unsigned int cu_model : 8; /* from SenseID */
- unsigned int dev_type : 16; /* from SenseID */
- unsigned int dev_model : 8; /* from SenseID */
- unsigned int open_count;
- unsigned int req_queue_len;
- unsigned int chanq_len; /* length of chanq */
- char type[4]; /* from discipline.name, 'none' for unknown */
- unsigned int status; /* current device level */
- unsigned int label_block; /* where to find the VOLSER */
- unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
- unsigned int characteristics_size;
- unsigned int confdata_size;
- char characteristics[64]; /* from read_device_characteristics */
- char configuration_data[256]; /* from read_configuration_data */
+ unsigned int devno; /* S/390 devno */
+ unsigned int real_devno; /* for aliases */
+ unsigned int schid; /* S/390 subchannel identifier */
+ unsigned int cu_type : 16; /* from SenseID */
+ unsigned int cu_model : 8; /* from SenseID */
+ unsigned int dev_type : 16; /* from SenseID */
+ unsigned int dev_model : 8; /* from SenseID */
+ unsigned int open_count;
+ unsigned int req_queue_len;
+ unsigned int chanq_len; /* length of chanq */
+ char type[4]; /* from discipline.name, 'none' for unknown */
+ unsigned int status; /* current device level */
+ unsigned int label_block; /* where to find the VOLSER */
+ unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
+ unsigned int characteristics_size;
+ unsigned int confdata_size;
+ char characteristics[64]; /* from read_device_characteristics */
+ char configuration_data[256]; /* from read_configuration_data */
} dasd_information_t;
/*
* Read Subsystem Data - Performance Statistics
- */
+ */
typedef struct dasd_rssd_perf_stats_t {
unsigned char invalid:1;
unsigned char format:3;
@@ -154,21 +154,21 @@ typedef struct dasd_rssd_perf_stats_t {
unsigned char reseved2[96];
} __attribute__((packed)) dasd_rssd_perf_stats_t;
-/*
+/*
* struct profile_info_t
- * holds the profinling information
+ * holds the profinling information
*/
typedef struct dasd_profile_info_t {
- unsigned int dasd_io_reqs; /* number of requests processed at all */
- unsigned int dasd_io_sects; /* number of sectors processed at all */
- unsigned int dasd_io_secs[32]; /* histogram of request's sizes */
- unsigned int dasd_io_times[32]; /* histogram of requests's times */
- unsigned int dasd_io_timps[32]; /* histogram of requests's times per sector */
- unsigned int dasd_io_time1[32]; /* histogram of time from build to start */
- unsigned int dasd_io_time2[32]; /* histogram of time from start to irq */
- unsigned int dasd_io_time2ps[32]; /* histogram of time from start to irq */
- unsigned int dasd_io_time3[32]; /* histogram of time from irq to end */
- unsigned int dasd_io_nr_req[32]; /* histogram of # of requests in chanq */
+ unsigned int dasd_io_reqs; /* number of requests processed at all */
+ unsigned int dasd_io_sects; /* number of sectors processed at all */
+ unsigned int dasd_io_secs[32]; /* histogram of request's sizes */
+ unsigned int dasd_io_times[32]; /* histogram of requests's times */
+ unsigned int dasd_io_timps[32]; /* histogram of requests's times per sector */
+ unsigned int dasd_io_time1[32]; /* histogram of time from build to start */
+ unsigned int dasd_io_time2[32]; /* histogram of time from start to irq */
+ unsigned int dasd_io_time2ps[32]; /* histogram of time from start to irq */
+ unsigned int dasd_io_time3[32]; /* histogram of time from irq to end */
+ unsigned int dasd_io_nr_req[32]; /* histogram of # of requests in chanq */
} dasd_profile_info_t;
/*
@@ -189,10 +189,12 @@ typedef struct format_data_t {
* 3/11: also write home address
* 4/12: invalidate track
*/
-#define DASD_FMT_INT_FMT_R0 1 /* write record zero */
-#define DASD_FMT_INT_FMT_HA 2 /* write home address, also set FMT_R0 ! */
-#define DASD_FMT_INT_INVAL 4 /* invalidate tracks */
-#define DASD_FMT_INT_COMPAT 8 /* use OS/390 compatible disk layout */
+#define DASD_FMT_INT_FMT_R0 1 /* write record zero */
+#define DASD_FMT_INT_FMT_HA 2 /* write home address, also set FMT_R0 ! */
+#define DASD_FMT_INT_INVAL 4 /* invalidate tracks */
+#define DASD_FMT_INT_COMPAT 8 /* use OS/390 compatible disk layout */
+#define DASD_FMT_INT_FMT_NOR0 16 /* remove permission to write record zero */
+#define DASD_FMT_INT_ESE_FULL 32 /* release space for entire volume */
/*
* struct format_check_t
@@ -225,7 +227,7 @@ typedef struct format_check_t {
/* If key-length was != 0 */
#define DASD_FMT_ERR_KEY_LENGTH 5
-/*
+/*
* struct attrib_data_t
* represents the operation (cache) bits for the device.
* Used in DE to influence caching of the DASD.
@@ -281,13 +283,13 @@ struct dasd_snid_ioctl_data {
* Here ist how the ioctl-nr should be used:
* 0 - 31 DASD driver itself
* 32 - 239 still open
- * 240 - 255 reserved for EMC
+ * 240 - 255 reserved for EMC
*******************************************************************************/
/* Disable the volume (for Linux) */
-#define BIODASDDISABLE _IO(DASD_IOCTL_LETTER,0)
+#define BIODASDDISABLE _IO(DASD_IOCTL_LETTER,0)
/* Enable the volume (for Linux) */
-#define BIODASDENABLE _IO(DASD_IOCTL_LETTER,1)
+#define BIODASDENABLE _IO(DASD_IOCTL_LETTER,1)
/* Issue a reserve/release command, rsp. */
#define BIODASDRSRV _IO(DASD_IOCTL_LETTER,2) /* reserve */
#define BIODASDRLSE _IO(DASD_IOCTL_LETTER,3) /* release */
@@ -295,9 +297,9 @@ struct dasd_snid_ioctl_data {
/* reset profiling information of a device */
#define BIODASDPRRST _IO(DASD_IOCTL_LETTER,5)
/* Quiesce IO on device */
-#define BIODASDQUIESCE _IO(DASD_IOCTL_LETTER,6)
+#define BIODASDQUIESCE _IO(DASD_IOCTL_LETTER,6)
/* Resume IO on device */
-#define BIODASDRESUME _IO(DASD_IOCTL_LETTER,7)
+#define BIODASDRESUME _IO(DASD_IOCTL_LETTER,7)
/* Abort all I/O on a device */
#define BIODASDABORTIO _IO(DASD_IOCTL_LETTER, 240)
/* Allow I/O on a device */
@@ -315,13 +317,15 @@ struct dasd_snid_ioctl_data {
/* Performance Statistics Read */
#define BIODASDPSRD _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t)
/* Get Attributes (cache operations) */
-#define BIODASDGATTR _IOR(DASD_IOCTL_LETTER,5,attrib_data_t)
+#define BIODASDGATTR _IOR(DASD_IOCTL_LETTER,5,attrib_data_t)
/* #define BIODASDFORMAT _IOW(IOCTL_LETTER,0,format_data_t) , deprecated */
-#define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t)
+#define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t)
/* Set Attributes (cache operations) */
-#define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
+#define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
+/* Release Allocated Space */
+#define BIODASDRAS _IOW(DASD_IOCTL_LETTER, 3, format_data_t)
/* Get Sense Path Group ID (SNID) data */
#define BIODASDSNID _IOWR(DASD_IOCTL_LETTER, 1, struct dasd_snid_ioctl_data)
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 629f173f60cd..6312fed48530 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -30,7 +30,6 @@
#include <asm/sclp.h>
#include <asm/facility.h>
#include <asm/boot_data.h>
-#include <asm/pci_insn.h>
#include "entry.h"
/*
@@ -236,7 +235,6 @@ static __init void detect_machine_facilities(void)
clock_comparator_max = -1ULL >> 1;
__ctl_set_bit(0, 53);
}
- enable_mio_ctl();
}
static inline void save_vector_registers(void)
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index d836af3ccc38..2c0a515428d6 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -286,12 +286,7 @@ static struct kobj_attribute sys_ipl_secure_attr =
static ssize_t ipl_has_secure_show(struct kobject *kobj,
struct kobj_attribute *attr, char *page)
{
- if (MACHINE_IS_LPAR)
- return sprintf(page, "%i\n", !!sclp.has_sipl);
- else if (MACHINE_IS_VM)
- return sprintf(page, "%i\n", !!sclp.has_sipl_g2);
- else
- return sprintf(page, "%i\n", 0);
+ return sprintf(page, "%i\n", !!sclp.has_sipl);
}
static struct kobj_attribute sys_ipl_has_secure_attr =
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
index 34cc96449b30..8b33e03e47b8 100644
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -624,6 +624,8 @@ __init const struct attribute_group **cpumf_cf_event_group(void)
break;
case 0x3906:
case 0x3907:
+ case 0x8561:
+ case 0x8562:
model = cpumcf_z14_pmu_event_attr;
break;
default:
diff --git a/arch/s390/kernel/unwind_bc.c b/arch/s390/kernel/unwind_bc.c
index 3ce8a0808059..8fc9daae47a2 100644
--- a/arch/s390/kernel/unwind_bc.c
+++ b/arch/s390/kernel/unwind_bc.c
@@ -20,7 +20,7 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
static bool outside_of_stack(struct unwind_state *state, unsigned long sp)
{
return (sp <= state->sp) ||
- (sp + sizeof(struct stack_frame) > state->stack_info.end);
+ (sp > state->stack_info.end - sizeof(struct stack_frame));
}
static bool update_stack_info(struct unwind_state *state, unsigned long sp)
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index b8a64cbb5dea..b0e3b9a0e488 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -890,8 +890,10 @@ static int __init pci_base_init(void)
if (!test_facility(69) || !test_facility(71))
return 0;
- if (test_facility(153) && !s390_pci_no_mio)
+ if (test_facility(153) && !s390_pci_no_mio) {
static_branch_enable(&have_mio);
+ ctl_set_bit(2, 5);
+ }
rc = zpci_debug_init();
if (rc)
diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c
index 430c14b006d1..a433ba01a317 100644
--- a/arch/s390/pci/pci_sysfs.c
+++ b/arch/s390/pci/pci_sysfs.c
@@ -37,6 +37,15 @@ zpci_attr(segment1, "0x%02x\n", pfip[1]);
zpci_attr(segment2, "0x%02x\n", pfip[2]);
zpci_attr(segment3, "0x%02x\n", pfip[3]);
+static ssize_t mio_enabled_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
+
+ return sprintf(buf, zpci_use_mio(zdev) ? "1\n" : "0\n");
+}
+static DEVICE_ATTR_RO(mio_enabled);
+
static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -115,6 +124,7 @@ static struct attribute *zpci_dev_attrs[] = {
&dev_attr_vfn.attr,
&dev_attr_uid.attr,
&dev_attr_recover.attr,
+ &dev_attr_mio_enabled.attr,
NULL,
};
static struct attribute_group zpci_attr_group = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 06:08:42 +0100