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-rw-r--r--drivers/s390/Makefile2
-rw-r--r--drivers/s390/block/dasd.c53
-rw-r--r--drivers/s390/block/dasd_alias.c3
-rw-r--r--drivers/s390/block/dasd_genhd.c19
-rw-r--r--drivers/s390/char/keyboard.c13
-rw-r--r--drivers/s390/char/sclp.c2
-rw-r--r--drivers/s390/char/sclp.h15
-rw-r--r--drivers/s390/char/sclp_cmd.c50
-rw-r--r--drivers/s390/char/sclp_early.c121
-rw-r--r--drivers/s390/char/sclp_sdias.c3
-rw-r--r--drivers/s390/char/zcore.c12
-rw-r--r--drivers/s390/crypto/ap_bus.c424
-rw-r--r--drivers/s390/crypto/ap_bus.h13
-rw-r--r--drivers/s390/crypto/zcrypt_api.c7
-rw-r--r--drivers/s390/crypto/zcrypt_cex4.c2
-rw-r--r--drivers/s390/crypto/zcrypt_pcicc.c8
-rw-r--r--drivers/s390/net/lcs.c2
-rw-r--r--drivers/s390/net/qeth_core.h2
-rw-r--r--drivers/s390/net/qeth_core_main.c3
-rw-r--r--drivers/s390/net/qeth_core_mpc.c3
-rw-r--r--drivers/s390/net/qeth_core_mpc.h3
-rw-r--r--drivers/s390/net/qeth_l2_main.c124
-rw-r--r--drivers/s390/net/qeth_l2_sys.c74
-rw-r--r--drivers/s390/net/qeth_l3_main.c9
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c1
-rw-r--r--drivers/s390/virtio/Makefile (renamed from drivers/s390/kvm/Makefile)0
-rw-r--r--drivers/s390/virtio/kvm_virtio.c (renamed from drivers/s390/kvm/kvm_virtio.c)4
-rw-r--r--drivers/s390/virtio/virtio_ccw.c (renamed from drivers/s390/kvm/virtio_ccw.c)0
28 files changed, 535 insertions, 437 deletions
diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index 95bccfd3f..e5225ad9c 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -2,7 +2,7 @@
# Makefile for the S/390 specific device drivers
#
-obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/
+obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/
drivers-y += drivers/s390/built-in.o
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 57fd66357..f73d2f579 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -38,6 +38,8 @@
*/
#define DASD_CHANQ_MAX_SIZE 4
+#define DASD_DIAG_MOD "dasd_diag_mod"
+
/*
* SECTION: exported variables of dasd.c
*/
@@ -1861,6 +1863,33 @@ static void __dasd_device_check_expire(struct dasd_device *device)
}
/*
+ * return 1 when device is not eligible for IO
+ */
+static int __dasd_device_is_unusable(struct dasd_device *device,
+ struct dasd_ccw_req *cqr)
+{
+ int mask = ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM);
+
+ if (test_bit(DASD_FLAG_OFFLINE, &device->flags)) {
+ /* dasd is being set offline. */
+ return 1;
+ }
+ if (device->stopped) {
+ if (device->stopped & mask) {
+ /* stopped and CQR will not change that. */
+ return 1;
+ }
+ if (!test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags)) {
+ /* CQR is not able to change device to
+ * operational. */
+ return 1;
+ }
+ /* CQR required to get device operational. */
+ }
+ return 0;
+}
+
+/*
* Take a look at the first request on the ccw queue and check
* if it needs to be started.
*/
@@ -1874,13 +1903,8 @@ static void __dasd_device_start_head(struct dasd_device *device)
cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist);
if (cqr->status != DASD_CQR_QUEUED)
return;
- /* when device is stopped, return request to previous layer
- * exception: only the disconnect or unresumed bits are set and the
- * cqr is a path verification request
- */
- if (device->stopped &&
- !(!(device->stopped & ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM))
- && test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags))) {
+ /* if device is not usable return request to upper layer */
+ if (__dasd_device_is_unusable(device, cqr)) {
cqr->intrc = -EAGAIN;
cqr->status = DASD_CQR_CLEARED;
dasd_schedule_device_bh(device);
@@ -3300,6 +3324,21 @@ int dasd_generic_set_online(struct ccw_device *cdev,
discipline = base_discipline;
if (device->features & DASD_FEATURE_USEDIAG) {
if (!dasd_diag_discipline_pointer) {
+ /* Try to load the required module. */
+ rc = request_module(DASD_DIAG_MOD);
+ if (rc) {
+ pr_warn("%s Setting the DASD online failed "
+ "because the required module %s "
+ "could not be loaded (rc=%d)\n",
+ dev_name(&cdev->dev), DASD_DIAG_MOD,
+ rc);
+ dasd_delete_device(device);
+ return -ENODEV;
+ }
+ }
+ /* Module init could have failed, so check again here after
+ * request_module(). */
+ if (!dasd_diag_discipline_pointer) {
pr_warn("%s Setting the DASD online failed because of missing DIAG discipline\n",
dev_name(&cdev->dev));
dasd_delete_device(device);
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index a2597e683..ee3a6faae 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -699,7 +699,8 @@ struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device)
struct dasd_device, alias_list);
spin_unlock_irqrestore(&lcu->lock, flags);
alias_priv = (struct dasd_eckd_private *) alias_device->private;
- if ((alias_priv->count < private->count) && !alias_device->stopped)
+ if ((alias_priv->count < private->count) && !alias_device->stopped &&
+ !test_bit(DASD_FLAG_OFFLINE, &alias_device->flags))
return alias_device;
else
return NULL;
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 90f39f79f..ef1d9fb06 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -99,9 +99,8 @@ void dasd_gendisk_free(struct dasd_block *block)
int dasd_scan_partitions(struct dasd_block *block)
{
struct block_device *bdev;
- int retry, rc;
+ int rc;
- retry = 5;
bdev = bdget_disk(block->gdp, 0);
if (!bdev) {
DBF_DEV_EVENT(DBF_ERR, block->base, "%s",
@@ -116,19 +115,11 @@ int dasd_scan_partitions(struct dasd_block *block)
rc);
return -ENODEV;
}
- /*
- * See fs/partition/check.c:register_disk,rescan_partitions
- * Can't call rescan_partitions directly. Use ioctl.
- */
- rc = ioctl_by_bdev(bdev, BLKRRPART, 0);
- while (rc == -EBUSY && retry > 0) {
- schedule();
- rc = ioctl_by_bdev(bdev, BLKRRPART, 0);
- retry--;
+
+ rc = blkdev_reread_part(bdev);
+ if (rc)
DBF_DEV_EVENT(DBF_ERR, block->base,
- "scan partitions error, retry %d rc %d",
- retry, rc);
- }
+ "scan partitions error, rc %d", rc);
/*
* Since the matching blkdev_put call to the blkdev_get in
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 01463b052..ef04a9f7a 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -433,20 +433,23 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs,
case KDSKBSENT:
if (!perm)
return -EPERM;
- len = strnlen_user(u_kbs->kb_string,
- sizeof(u_kbs->kb_string) - 1);
+ len = strnlen_user(u_kbs->kb_string, sizeof(u_kbs->kb_string));
if (!len)
return -EFAULT;
- if (len > sizeof(u_kbs->kb_string) - 1)
+ if (len > sizeof(u_kbs->kb_string))
return -EINVAL;
- p = kmalloc(len + 1, GFP_KERNEL);
+ p = kmalloc(len, GFP_KERNEL);
if (!p)
return -ENOMEM;
if (copy_from_user(p, u_kbs->kb_string, len)) {
kfree(p);
return -EFAULT;
}
- p[len] = 0;
+ /*
+ * Make sure the string is terminated by 0. User could have
+ * modified it between us running strnlen_user() and copying it.
+ */
+ p[len - 1] = 0;
kfree(kbd->func_table[kb_func]);
kbd->func_table[kb_func] = p;
break;
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 41ba56d2e..5e20513c0 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -665,7 +665,7 @@ sclp_state_change_cb(struct evbuf_header *evbuf)
sclp_send_mask = scbuf->sclp_send_mask;
spin_unlock_irqrestore(&sclp_lock, flags);
if (scbuf->validity_sclp_active_facility_mask)
- sclp_facilities = scbuf->sclp_active_facility_mask;
+ sclp.facilities = scbuf->sclp_active_facility_mask;
sclp_dispatch_state_change();
}
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index a88069f8c..026e38990 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -100,13 +100,11 @@ struct init_sccb {
sccb_mask_t sclp_send_mask;
} __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)
-#define SCLP_HAS_CPU_RECONFIG (sclp_facilities & 0x0400000000000000ULL)
-#define SCLP_HAS_PCI_RECONFIG (sclp_facilities & 0x0000000040000000ULL)
+#define SCLP_HAS_CHP_INFO (sclp.facilities & 0x8000000000000000ULL)
+#define SCLP_HAS_CHP_RECONFIG (sclp.facilities & 0x2000000000000000ULL)
+#define SCLP_HAS_CPU_INFO (sclp.facilities & 0x0800000000000000ULL)
+#define SCLP_HAS_CPU_RECONFIG (sclp.facilities & 0x0400000000000000ULL)
+#define SCLP_HAS_PCI_RECONFIG (sclp.facilities & 0x0000000040000000ULL)
struct gds_subvector {
@@ -191,9 +189,6 @@ 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;
/* useful inlines */
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 7be782116..e9485fbbb 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -92,8 +92,8 @@ struct read_cpu_info_sccb {
u8 reserved[4096 - 16];
} __attribute__((packed, aligned(PAGE_SIZE)));
-static void sclp_fill_cpu_info(struct sclp_cpu_info *info,
- struct read_cpu_info_sccb *sccb)
+static void sclp_fill_core_info(struct sclp_core_info *info,
+ struct read_cpu_info_sccb *sccb)
{
char *page = (char *) sccb;
@@ -101,12 +101,11 @@ static void sclp_fill_cpu_info(struct sclp_cpu_info *info,
info->configured = sccb->nr_configured;
info->standby = sccb->nr_standby;
info->combined = sccb->nr_configured + sccb->nr_standby;
- info->has_cpu_type = sclp_fac84 & 0x1;
- memcpy(&info->cpu, page + sccb->offset_configured,
- info->combined * sizeof(struct sclp_cpu_entry));
+ memcpy(&info->core, page + sccb->offset_configured,
+ info->combined * sizeof(struct sclp_core_entry));
}
-int sclp_get_cpu_info(struct sclp_cpu_info *info)
+int sclp_get_core_info(struct sclp_core_info *info)
{
int rc;
struct read_cpu_info_sccb *sccb;
@@ -127,7 +126,7 @@ int sclp_get_cpu_info(struct sclp_cpu_info *info)
rc = -EIO;
goto out;
}
- sclp_fill_cpu_info(info, sccb);
+ sclp_fill_core_info(info, sccb);
out:
free_page((unsigned long) sccb);
return rc;
@@ -137,7 +136,7 @@ struct cpu_configure_sccb {
struct sccb_header header;
} __attribute__((packed, aligned(8)));
-static int do_cpu_configure(sclp_cmdw_t cmd)
+static int do_core_configure(sclp_cmdw_t cmd)
{
struct cpu_configure_sccb *sccb;
int rc;
@@ -171,14 +170,14 @@ out:
return rc;
}
-int sclp_cpu_configure(u8 cpu)
+int sclp_core_configure(u8 core)
{
- return do_cpu_configure(SCLP_CMDW_CONFIGURE_CPU | cpu << 8);
+ return do_core_configure(SCLP_CMDW_CONFIGURE_CPU | core << 8);
}
-int sclp_cpu_deconfigure(u8 cpu)
+int sclp_core_deconfigure(u8 core)
{
- return do_cpu_configure(SCLP_CMDW_DECONFIGURE_CPU | cpu << 8);
+ return do_core_configure(SCLP_CMDW_DECONFIGURE_CPU | core << 8);
}
#ifdef CONFIG_MEMORY_HOTPLUG
@@ -186,7 +185,7 @@ int sclp_cpu_deconfigure(u8 cpu)
static DEFINE_MUTEX(sclp_mem_mutex);
static LIST_HEAD(sclp_mem_list);
static u8 sclp_max_storage_id;
-static unsigned long sclp_storage_ids[256 / BITS_PER_LONG];
+static DECLARE_BITMAP(sclp_storage_ids, 256);
static int sclp_mem_state_changed;
struct memory_increment {
@@ -202,14 +201,14 @@ struct assign_storage_sccb {
int arch_get_memory_phys_device(unsigned long start_pfn)
{
- if (!sclp_rzm)
+ if (!sclp.rzm)
return 0;
- return PFN_PHYS(start_pfn) >> ilog2(sclp_rzm);
+ return PFN_PHYS(start_pfn) >> ilog2(sclp.rzm);
}
static unsigned long long rn2addr(u16 rn)
{
- return (unsigned long long) (rn - 1) * sclp_rzm;
+ return (unsigned long long) (rn - 1) * sclp.rzm;
}
static int do_assign_storage(sclp_cmdw_t cmd, u16 rn)
@@ -250,7 +249,7 @@ static int sclp_assign_storage(u16 rn)
if (rc)
return rc;
start = rn2addr(rn);
- storage_key_init_range(start, start + sclp_rzm);
+ storage_key_init_range(start, start + sclp.rzm);
return 0;
}
@@ -309,7 +308,7 @@ 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 + sclp_rzm - 1)
+ if (start > istart + sclp.rzm - 1)
continue;
if (online)
rc |= sclp_assign_storage(incr->rn);
@@ -330,7 +329,7 @@ static bool contains_standby_increment(unsigned long start, unsigned long end)
istart = rn2addr(incr->rn);
if (end - 1 < istart)
continue;
- if (start > istart + sclp_rzm - 1)
+ if (start > istart + sclp.rzm - 1)
continue;
if (incr->standby)
return true;
@@ -415,7 +414,7 @@ static void __init add_memory_merged(u16 rn)
if (!first_rn)
goto skip_add;
start = rn2addr(first_rn);
- size = (unsigned long long) num * sclp_rzm;
+ size = (unsigned long long) num * sclp.rzm;
if (start >= VMEM_MAX_PHYS)
goto skip_add;
if (start + size > VMEM_MAX_PHYS)
@@ -465,7 +464,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
}
if (!assigned)
new_incr->rn = last_rn + 1;
- if (new_incr->rn > sclp_rnmax) {
+ if (new_incr->rn > sclp.rnmax) {
kfree(new_incr);
return;
}
@@ -508,7 +507,7 @@ static int __init sclp_detect_standby_memory(void)
if (OLDMEM_BASE) /* No standby memory in kdump mode */
return 0;
- if ((sclp_facilities & 0xe00000000000ULL) != 0xe00000000000ULL)
+ if ((sclp.facilities & 0xe00000000000ULL) != 0xe00000000000ULL)
return 0;
rc = -ENOMEM;
sccb = (void *) __get_free_page(GFP_KERNEL | GFP_DMA);
@@ -550,7 +549,7 @@ static int __init sclp_detect_standby_memory(void)
}
if (rc || list_empty(&sclp_mem_list))
goto out;
- for (i = 1; i <= sclp_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)
@@ -753,8 +752,3 @@ out:
free_page((unsigned long) sccb);
return rc;
}
-
-bool sclp_has_sprp(void)
-{
- return !!(sclp_fac84 & 0x2);
-}
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index 1efa4fdb7..7bc6df310 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -7,6 +7,7 @@
#define KMSG_COMPONENT "sclp_early"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#include <linux/errno.h>
#include <asm/ctl_reg.h>
#include <asm/sclp.h>
#include <asm/ipl.h>
@@ -48,23 +49,10 @@ struct read_info_sccb {
} __packed __aligned(PAGE_SIZE);
static char sccb_early[PAGE_SIZE] __aligned(PAGE_SIZE) __initdata;
-static unsigned int sclp_con_has_vt220 __initdata;
-static unsigned int sclp_con_has_linemode __initdata;
-static unsigned long sclp_hsa_size;
-static unsigned int sclp_max_cpu;
static struct sclp_ipl_info sclp_ipl_info;
-static unsigned char sclp_siif;
-static unsigned char sclp_sigpif;
-static u32 sclp_ibc;
-static unsigned int sclp_mtid;
-static unsigned int sclp_mtid_cp;
-static unsigned int sclp_mtid_max;
-static unsigned int sclp_mtid_prev;
-
-u64 sclp_facilities;
-u8 sclp_fac84;
-unsigned long long sclp_rzm;
-unsigned long long sclp_rnmax;
+
+struct sclp_info sclp;
+EXPORT_SYMBOL(sclp);
static int __init sclp_cmd_sync_early(sclp_cmdw_t cmd, void *sccb)
{
@@ -111,28 +99,29 @@ static int __init sclp_read_info_early(struct read_info_sccb *sccb)
static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
{
- struct sclp_cpu_entry *cpue;
+ struct sclp_core_entry *cpue;
u16 boot_cpu_address, cpu;
if (sclp_read_info_early(sccb))
return;
- sclp_facilities = sccb->facilities;
- sclp_fac84 = sccb->fac84;
+ sclp.facilities = sccb->facilities;
+ sclp.has_sprp = !!(sccb->fac84 & 0x02);
+ sclp.has_core_type = !!(sccb->fac84 & 0x01);
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;
- sclp_ibc = sccb->ibc;
+ sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
+ sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
+ sclp.rzm <<= 20;
+ sclp.ibc = sccb->ibc;
if (!sccb->hcpua) {
if (MACHINE_IS_VM)
- sclp_max_cpu = 64;
+ sclp.max_cores = 64;
else
- sclp_max_cpu = sccb->ncpurl;
+ sclp.max_cores = sccb->ncpurl;
} else {
- sclp_max_cpu = sccb->hcpua + 1;
+ sclp.max_cores = sccb->hcpua + 1;
}
boot_cpu_address = stap();
@@ -140,8 +129,8 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
for (cpu = 0; cpu < sccb->ncpurl; cpue++, cpu++) {
if (boot_cpu_address != cpue->core_id)
continue;
- sclp_siif = cpue->siif;
- sclp_sigpif = cpue->sigpif;
+ sclp.has_siif = cpue->siif;
+ sclp.has_sigpif = cpue->sigpif;
break;
}
@@ -151,68 +140,9 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb)
sclp_ipl_info.has_dump = 1;
memcpy(&sclp_ipl_info.loadparm, &sccb->loadparm, LOADPARM_LEN);
- sclp_mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
- sclp_mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
- sclp_mtid_max = max(sclp_mtid, sclp_mtid_cp);
- sclp_mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
-}
-
-bool __init sclp_has_linemode(void)
-{
- return !!sclp_con_has_linemode;
-}
-
-bool __init sclp_has_vt220(void)
-{
- return !!sclp_con_has_vt220;
-}
-
-unsigned long long sclp_get_rnmax(void)
-{
- return sclp_rnmax;
-}
-
-unsigned long long sclp_get_rzm(void)
-{
- return sclp_rzm;
-}
-
-unsigned int sclp_get_max_cpu(void)
-{
- return sclp_max_cpu;
-}
-
-int sclp_has_siif(void)
-{
- return sclp_siif;
-}
-EXPORT_SYMBOL(sclp_has_siif);
-
-int sclp_has_sigpif(void)
-{
- return sclp_sigpif;
-}
-EXPORT_SYMBOL(sclp_has_sigpif);
-
-unsigned int sclp_get_ibc(void)
-{
- return sclp_ibc;
-}
-EXPORT_SYMBOL(sclp_get_ibc);
-
-unsigned int sclp_get_mtid(u8 cpu_type)
-{
- return cpu_type ? sclp_mtid : sclp_mtid_cp;
-}
-
-unsigned int sclp_get_mtid_max(void)
-{
- return sclp_mtid_max;
-}
-
-unsigned int sclp_get_mtid_prev(void)
-{
- return sclp_mtid_prev;
+ sclp.mtid = (sccb->fac42 & 0x80) ? (sccb->fac42 & 31) : 0;
+ sclp.mtid_cp = (sccb->fac42 & 0x80) ? (sccb->fac43 & 31) : 0;
+ sclp.mtid_prev = (sccb->fac42 & 0x80) ? (sccb->fac66 & 31) : 0;
}
/*
@@ -286,11 +216,6 @@ static long __init sclp_hsa_copy_wait(struct sccb_header *sccb)
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 *sccb)
{
long size;
@@ -313,7 +238,7 @@ static void __init sclp_hsa_size_detect(void *sccb)
if (size < 0)
return;
out:
- sclp_hsa_size = size;
+ sclp.hsa_size = size;
}
static unsigned int __init sclp_con_check_linemode(struct init_sccb *sccb)
@@ -331,10 +256,10 @@ static void __init sclp_console_detect(struct init_sccb *sccb)
return;
if (sccb->sclp_send_mask & EVTYP_VT220MSG_MASK)
- sclp_con_has_vt220 = 1;
+ sclp.has_vt220 = 1;
if (sclp_con_check_linemode(sccb))
- sclp_con_has_linemode = 1;
+ sclp.has_linemode = 1;
}
void __init sclp_early_detect(void)
diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index eb7cb076c..7cdd13dd7 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -21,7 +21,6 @@
#define TRACE(x...) debug_sprintf_event(sdias_dbf, 1, x)
#define SDIAS_RETRIES 300
-#define SDIAS_SLEEP_TICKS 50
static struct debug_info *sdias_dbf;
@@ -68,7 +67,7 @@ static int sdias_sclp_send(struct sclp_req *req)
/* not initiated, wait some time and retry */
set_current_state(TASK_INTERRUPTIBLE);
TRACE("add request failed: rc = %i\n",rc);
- schedule_timeout(SDIAS_SLEEP_TICKS);
+ schedule_timeout(msecs_to_jiffies(500));
continue;
}
/* initiated, wait for completion of service call */
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index a68fcfd1d..823f41fc4 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -154,7 +154,7 @@ static int __init init_cpu_info(enum arch_id arch)
/* get info for boot cpu from lowcore, stored in the HSA */
- sa_ext = dump_save_area_create(0);
+ sa_ext = dump_save_areas.areas[0];
if (!sa_ext)
return -ENOMEM;
if (memcpy_hsa_kernel(&sa_ext->sa, sys_info.sa_base,
@@ -330,9 +330,9 @@ static ssize_t zcore_read(struct file *file, char __user *buf, size_t count,
mem_offs = 0;
/* Copy from HSA data */
- if (*ppos < sclp_get_hsa_size() + HEADER_SIZE) {
+ if (*ppos < sclp.hsa_size + HEADER_SIZE) {
size = min((count - hdr_count),
- (size_t) (sclp_get_hsa_size() - mem_start));
+ (size_t) (sclp.hsa_size - mem_start));
rc = memcpy_hsa_user(buf + hdr_count, mem_start, size);
if (rc)
goto fail;
@@ -483,7 +483,7 @@ 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", sclp_get_hsa_size());
+ snprintf(str, sizeof(str), "%lx\n", sclp.hsa_size);
else
snprintf(str, sizeof(str), "0\n");
return simple_read_from_buffer(buf, count, ppos, str, strlen(str));
@@ -558,7 +558,7 @@ static int __init sys_info_init(enum arch_id arch, unsigned long mem_end)
static int __init check_sdias(void)
{
- if (!sclp_get_hsa_size()) {
+ if (!sclp.hsa_size) {
TRACE("Could not determine HSA size\n");
return -ENODEV;
}
@@ -619,7 +619,7 @@ static int __init zcore_reipl_init(void)
ipl_block = (void *) __get_free_page(GFP_KERNEL);
if (!ipl_block)
return -ENOMEM;
- if (ipib_info.ipib < sclp_get_hsa_size())
+ if (ipib_info.ipib < sclp.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);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 3ba611419..559a9dcdb 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -60,7 +60,7 @@ static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags);
static int ap_device_remove(struct device *dev);
static int ap_device_probe(struct device *dev);
static void ap_interrupt_handler(struct airq_struct *airq);
-static void ap_reset(struct ap_device *ap_dev);
+static void ap_reset(struct ap_device *ap_dev, unsigned long *flags);
static void ap_config_timeout(unsigned long ptr);
static int ap_select_domain(void);
static void ap_query_configuration(void);
@@ -310,35 +310,26 @@ static inline int __ap_query_configuration(struct ap_config_info *config)
static int ap_query_functions(ap_qid_t qid, unsigned int *functions)
{
struct ap_queue_status status;
- int i;
+
status = __ap_query_functions(qid, functions);
- for (i = 0; i < AP_MAX_RESET; i++) {
- if (ap_queue_status_invalid_test(&status))
- return -ENODEV;
+ if (ap_queue_status_invalid_test(&status))
+ return -ENODEV;
- switch (status.response_code) {
- case AP_RESPONSE_NORMAL:
- return 0;
- case AP_RESPONSE_RESET_IN_PROGRESS:
- case AP_RESPONSE_BUSY:
- break;
- case AP_RESPONSE_Q_NOT_AVAIL:
- case AP_RESPONSE_DECONFIGURED:
- case AP_RESPONSE_CHECKSTOPPED:
- case AP_RESPONSE_INVALID_ADDRESS:
- return -ENODEV;
- case AP_RESPONSE_OTHERWISE_CHANGED:
- break;
- default:
- break;
- }
- if (i < AP_MAX_RESET - 1) {
- udelay(5);
- status = __ap_query_functions(qid, functions);
- }
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ return 0;
+ case AP_RESPONSE_Q_NOT_AVAIL:
+ case AP_RESPONSE_DECONFIGURED:
+ case AP_RESPONSE_CHECKSTOPPED:
+ case AP_RESPONSE_INVALID_ADDRESS:
+ return -ENODEV;
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ case AP_RESPONSE_BUSY:
+ case AP_RESPONSE_OTHERWISE_CHANGED:
+ default:
+ return -EBUSY;
}
- return -EBUSY;
}
/**
@@ -350,47 +341,25 @@ static int ap_query_functions(ap_qid_t qid, unsigned int *functions)
* on the return value it waits a while and tests the AP queue if interrupts
* have been switched on using ap_test_queue().
*/
-static int ap_queue_enable_interruption(ap_qid_t qid, void *ind)
+static int ap_queue_enable_interruption(struct ap_device *ap_dev, void *ind)
{
struct ap_queue_status status;
- int t_depth, t_device_type, rc, i;
- rc = -EBUSY;
- status = ap_queue_interruption_control(qid, ind);
-
- for (i = 0; i < AP_MAX_RESET; i++) {
- switch (status.response_code) {
- case AP_RESPONSE_NORMAL:
- if (status.int_enabled)
- return 0;
- break;
- case AP_RESPONSE_RESET_IN_PROGRESS:
- case AP_RESPONSE_BUSY:
- if (i < AP_MAX_RESET - 1) {
- udelay(5);
- status = ap_queue_interruption_control(qid,
- ind);
- continue;
- }
- break;
- case AP_RESPONSE_Q_NOT_AVAIL:
- case AP_RESPONSE_DECONFIGURED:
- case AP_RESPONSE_CHECKSTOPPED:
- case AP_RESPONSE_INVALID_ADDRESS:
- return -ENODEV;
- case AP_RESPONSE_OTHERWISE_CHANGED:
- if (status.int_enabled)
- return 0;
- break;
- default:
- break;
- }
- if (i < AP_MAX_RESET - 1) {
- udelay(5);
- status = ap_test_queue(qid, &t_depth, &t_device_type);
- }
+ status = ap_queue_interruption_control(ap_dev->qid, ind);
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ case AP_RESPONSE_OTHERWISE_CHANGED:
+ return 0;
+ case AP_RESPONSE_Q_NOT_AVAIL:
+ case AP_RESPONSE_DECONFIGURED:
+ case AP_RESPONSE_CHECKSTOPPED:
+ case AP_RESPONSE_INVALID_ADDRESS:
+ return -ENODEV;
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ case AP_RESPONSE_BUSY:
+ default:
+ return -EBUSY;
}
- return rc;
}
/**
@@ -511,109 +480,94 @@ int ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
EXPORT_SYMBOL(ap_recv);
/**
+ * __ap_schedule_poll_timer(): Schedule poll timer.
+ *
+ * Set up the timer to run the poll tasklet
+ */
+static inline void __ap_schedule_poll_timer(void)
+{
+ ktime_t hr_time;
+
+ spin_lock_bh(&ap_poll_timer_lock);
+ if (!hrtimer_is_queued(&ap_poll_timer) && !ap_suspend_flag) {
+ hr_time = ktime_set(0, poll_timeout);
+ hrtimer_forward_now(&ap_poll_timer, hr_time);
+ hrtimer_restart(&ap_poll_timer);
+ }
+ spin_unlock_bh(&ap_poll_timer_lock);
+}
+
+/**
+ * ap_schedule_poll_timer(): Schedule poll timer.
+ *
+ * Set up the timer to run the poll tasklet
+ */
+static inline void ap_schedule_poll_timer(void)
+{
+ if (ap_using_interrupts())
+ return;
+ __ap_schedule_poll_timer();
+}
+
+
+/**
* ap_query_queue(): Check if an AP queue is available.
* @qid: The AP queue number
* @queue_depth: Pointer to queue depth value
* @device_type: Pointer to device type value
- *
- * The test is repeated for AP_MAX_RESET times.
*/
static int ap_query_queue(ap_qid_t qid, int *queue_depth, int *device_type)
{
struct ap_queue_status status;
- int t_depth, t_device_type, rc, i;
+ int t_depth, t_device_type;
- rc = -EBUSY;
- for (i = 0; i < AP_MAX_RESET; i++) {
- status = ap_test_queue(qid, &t_depth, &t_device_type);
- switch (status.response_code) {
- case AP_RESPONSE_NORMAL:
- *queue_depth = t_depth + 1;
- *device_type = t_device_type;
- rc = 0;
- break;
- case AP_RESPONSE_Q_NOT_AVAIL:
- rc = -ENODEV;
- break;
- case AP_RESPONSE_RESET_IN_PROGRESS:
- break;
- case AP_RESPONSE_DECONFIGURED:
- rc = -ENODEV;
- break;
- case AP_RESPONSE_CHECKSTOPPED:
- rc = -ENODEV;
- break;
- case AP_RESPONSE_INVALID_ADDRESS:
- rc = -ENODEV;
- break;
- case AP_RESPONSE_OTHERWISE_CHANGED:
- break;
- case AP_RESPONSE_BUSY:
- break;
- default:
- BUG();
- }
- if (rc != -EBUSY)
- break;
- if (i < AP_MAX_RESET - 1)
- udelay(5);
+ status = ap_test_queue(qid, &t_depth, &t_device_type);
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ *queue_depth = t_depth + 1;
+ *device_type = t_device_type;
+ return 0;
+ case AP_RESPONSE_Q_NOT_AVAIL:
+ case AP_RESPONSE_DECONFIGURED:
+ case AP_RESPONSE_CHECKSTOPPED:
+ case AP_RESPONSE_INVALID_ADDRESS:
+ return -ENODEV;
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ case AP_RESPONSE_OTHERWISE_CHANGED:
+ case AP_RESPONSE_BUSY:
+ return -EBUSY;
+ default:
+ BUG();
}
- return rc;
}
/**
* ap_init_queue(): Reset an AP queue.
* @qid: The AP queue number
*
- * Reset an AP queue and wait for it to become available again.
+ * Submit the Reset command to an AP queue.
+ * Since the reset is asynchron set the state to 'RESET_IN_PROGRESS'
+ * and check later via ap_poll_queue() if the reset is done.
*/
-static int ap_init_queue(ap_qid_t qid)
+static int ap_init_queue(struct ap_device *ap_dev)
{
struct ap_queue_status status;
- int rc, dummy, i;
- rc = -ENODEV;
- status = ap_reset_queue(qid);
- for (i = 0; i < AP_MAX_RESET; i++) {
- switch (status.response_code) {
- case AP_RESPONSE_NORMAL:
- if (status.queue_empty)
- rc = 0;
- break;
- case AP_RESPONSE_Q_NOT_AVAIL:
- case AP_RESPONSE_DECONFIGURED:
- case AP_RESPONSE_CHECKSTOPPED:
- i = AP_MAX_RESET; /* return with -ENODEV */
- break;
- case AP_RESPONSE_RESET_IN_PROGRESS:
- rc = -EBUSY;
- case AP_RESPONSE_BUSY:
- default:
- break;
- }
- if (rc != -ENODEV && rc != -EBUSY)
- break;
- if (i < AP_MAX_RESET - 1) {
- /* Time we are waiting until we give up (0.7sec * 90).
- * Since the actual request (in progress) will not
- * interrupted immediately for the reset command,
- * we have to be patient. In worst case we have to
- * wait 60sec + reset time (some msec).
- */
- schedule_timeout(AP_RESET_TIMEOUT);
- status = ap_test_queue(qid, &dummy, &dummy);
- }
- }
- if (rc == 0 && ap_using_interrupts()) {
- rc = ap_queue_enable_interruption(qid, ap_airq.lsi_ptr);
- /* If interruption mode is supported by the machine,
- * but an AP can not be enabled for interruption then
- * the AP will be discarded. */
- if (rc)
- pr_err("Registering adapter interrupts for "
- "AP %d failed\n", AP_QID_DEVICE(qid));
+ status = ap_reset_queue(ap_dev->qid);
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ ap_dev->interrupt = AP_INTR_DISABLED;
+ ap_dev->reset = AP_RESET_IN_PROGRESS;
+ return 0;
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ case AP_RESPONSE_BUSY:
+ return -EBUSY;
+ case AP_RESPONSE_Q_NOT_AVAIL:
+ case AP_RESPONSE_DECONFIGURED:
+ case AP_RESPONSE_CHECKSTOPPED:
+ default:
+ return -ENODEV;
}
- return rc;
}
/**
@@ -729,10 +683,63 @@ static ssize_t ap_pendingq_count_show(struct device *dev,
static DEVICE_ATTR(pendingq_count, 0444, ap_pendingq_count_show, NULL);
+static ssize_t ap_reset_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ap_device *ap_dev = to_ap_dev(dev);
+ int rc = 0;
+
+ spin_lock_bh(&ap_dev->lock);
+ switch (ap_dev->reset) {
+ case AP_RESET_IGNORE:
+ rc = snprintf(buf, PAGE_SIZE, "No Reset Timer set.\n");
+ break;
+ case AP_RESET_ARMED:
+ rc = snprintf(buf, PAGE_SIZE, "Reset Timer armed.\n");
+ break;
+ case AP_RESET_DO:
+ rc = snprintf(buf, PAGE_SIZE, "Reset Timer expired.\n");
+ break;
+ case AP_RESET_IN_PROGRESS:
+ rc = snprintf(buf, PAGE_SIZE, "Reset in progress.\n");
+ break;
+ default:
+ break;
+ }
+ spin_unlock_bh(&ap_dev->lock);
+ return rc;
+}
+
+static DEVICE_ATTR(reset, 0444, ap_reset_show, NULL);
+
+static ssize_t ap_interrupt_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ap_device *ap_dev = to_ap_dev(dev);
+ int rc = 0;
+
+ spin_lock_bh(&ap_dev->lock);
+ switch (ap_dev->interrupt) {
+ case AP_INTR_DISABLED:
+ rc = snprintf(buf, PAGE_SIZE, "Interrupts disabled.\n");
+ break;
+ case AP_INTR_ENABLED:
+ rc = snprintf(buf, PAGE_SIZE, "Interrupts enabled.\n");
+ break;
+ case AP_INTR_IN_PROGRESS:
+ rc = snprintf(buf, PAGE_SIZE, "Enable Interrupt pending.\n");
+ break;
+ }
+ spin_unlock_bh(&ap_dev->lock);
+ return rc;
+}
+
+static DEVICE_ATTR(interrupt, 0444, ap_interrupt_show, NULL);
+
static ssize_t ap_modalias_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- return sprintf(buf, "ap:t%02X", to_ap_dev(dev)->device_type);
+ return sprintf(buf, "ap:t%02X\n", to_ap_dev(dev)->device_type);
}
static DEVICE_ATTR(modalias, 0444, ap_modalias_show, NULL);
@@ -753,6 +760,8 @@ static struct attribute *ap_dev_attrs[] = {
&dev_attr_request_count.attr,
&dev_attr_requestq_count.attr,
&dev_attr_pendingq_count.attr,
+ &dev_attr_reset.attr,
+ &dev_attr_interrupt.attr,
&dev_attr_modalias.attr,
&dev_attr_ap_functions.attr,
NULL
@@ -926,6 +935,10 @@ static int ap_device_probe(struct device *dev)
spin_lock_bh(&ap_device_list_lock);
list_del_init(&ap_dev->list);
spin_unlock_bh(&ap_device_list_lock);
+ } else {
+ if (ap_dev->reset == AP_RESET_IN_PROGRESS ||
+ ap_dev->interrupt == AP_INTR_IN_PROGRESS)
+ __ap_schedule_poll_timer();
}
return rc;
}
@@ -1411,7 +1424,7 @@ static void ap_scan_bus(struct work_struct *unused)
struct ap_device *ap_dev;
struct device *dev;
ap_qid_t qid;
- int queue_depth, device_type;
+ int queue_depth = 0, device_type = 0;
unsigned int device_functions;
int rc, i;
@@ -1429,15 +1442,9 @@ static void ap_scan_bus(struct work_struct *unused)
else
rc = -ENODEV;
if (dev) {
- if (rc == -EBUSY) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(AP_RESET_TIMEOUT);
- rc = ap_query_queue(qid, &queue_depth,
- &device_type);
- }
ap_dev = to_ap_dev(dev);
spin_lock_bh(&ap_dev->lock);
- if (rc || ap_dev->unregistered) {
+ if (rc == -ENODEV || ap_dev->unregistered) {
spin_unlock_bh(&ap_dev->lock);
if (ap_dev->unregistered)
i--;
@@ -1451,13 +1458,15 @@ static void ap_scan_bus(struct work_struct *unused)
}
if (rc)
continue;
- rc = ap_init_queue(qid);
- if (rc)
- continue;
ap_dev = kzalloc(sizeof(*ap_dev), GFP_KERNEL);
if (!ap_dev)
break;
ap_dev->qid = qid;
+ rc = ap_init_queue(ap_dev);
+ if ((rc != 0) && (rc != -EBUSY)) {
+ kfree(ap_dev);
+ continue;
+ }
ap_dev->queue_depth = queue_depth;
ap_dev->unregistered = 1;
spin_lock_init(&ap_dev->lock);
@@ -1520,36 +1529,6 @@ ap_config_timeout(unsigned long ptr)
}
/**
- * __ap_schedule_poll_timer(): Schedule poll timer.
- *
- * Set up the timer to run the poll tasklet
- */
-static inline void __ap_schedule_poll_timer(void)
-{
- ktime_t hr_time;
-
- spin_lock_bh(&ap_poll_timer_lock);
- if (!hrtimer_is_queued(&ap_poll_timer) && !ap_suspend_flag) {
- hr_time = ktime_set(0, poll_timeout);
- hrtimer_forward_now(&ap_poll_timer, hr_time);
- hrtimer_restart(&ap_poll_timer);
- }
- spin_unlock_bh(&ap_poll_timer_lock);
-}
-
-/**
- * ap_schedule_poll_timer(): Schedule poll timer.
- *
- * Set up the timer to run the poll tasklet
- */
-static inline void ap_schedule_poll_timer(void)
-{
- if (ap_using_interrupts())
- return;
- __ap_schedule_poll_timer();
-}
-
-/**
* ap_poll_read(): Receive pending reply messages from an AP device.
* @ap_dev: pointer to the AP device
* @flags: pointer to control flags, bit 2^0 is set if another poll is
@@ -1568,6 +1547,7 @@ static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
ap_dev->reply->message, ap_dev->reply->length);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
+ ap_dev->interrupt = status.int_enabled;
atomic_dec(&ap_poll_requests);
ap_decrease_queue_count(ap_dev);
list_for_each_entry(ap_msg, &ap_dev->pendingq, list) {
@@ -1582,6 +1562,7 @@ static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
*flags |= 1;
break;
case AP_RESPONSE_NO_PENDING_REPLY:
+ ap_dev->interrupt = status.int_enabled;
if (status.queue_empty) {
/* The card shouldn't forget requests but who knows. */
atomic_sub(ap_dev->queue_count, &ap_poll_requests);
@@ -1612,7 +1593,8 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
struct ap_message *ap_msg;
if (ap_dev->requestq_count <= 0 ||
- ap_dev->queue_count >= ap_dev->queue_depth)
+ (ap_dev->queue_count >= ap_dev->queue_depth) ||
+ (ap_dev->reset == AP_RESET_IN_PROGRESS))
return 0;
/* Start the next request on the queue. */
ap_msg = list_entry(ap_dev->requestq.next, struct ap_message, list);
@@ -1646,6 +1628,8 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
/**
* ap_poll_queue(): Poll AP device for pending replies and send new messages.
+ * Check if the queue has a pending reset. In case it's done re-enable
+ * interrupts, otherwise reschedule the poll_timer for another attempt.
* @ap_dev: pointer to the bus device
* @flags: pointer to control flags, bit 2^0 is set if another poll is
* required, bit 2^1 is set if the poll timer needs to get armed
@@ -1656,7 +1640,51 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
*/
static inline int ap_poll_queue(struct ap_device *ap_dev, unsigned long *flags)
{
- int rc;
+ int rc, depth, type;
+ struct ap_queue_status status;
+
+
+ if (ap_dev->reset == AP_RESET_IN_PROGRESS) {
+ status = ap_test_queue(ap_dev->qid, &depth, &type);
+ switch (status.response_code) {
+ case AP_RESPONSE_NORMAL:
+ ap_dev->reset = AP_RESET_IGNORE;
+ if (ap_using_interrupts()) {
+ rc = ap_queue_enable_interruption(
+ ap_dev, ap_airq.lsi_ptr);
+ if (!rc)
+ ap_dev->interrupt = AP_INTR_IN_PROGRESS;
+ else if (rc == -ENODEV) {
+ pr_err("Registering adapter interrupts for "
+ "AP %d failed\n", AP_QID_DEVICE(ap_dev->qid));
+ return rc;
+ }
+ }
+ /* fall through */
+ case AP_RESPONSE_BUSY:
+ case AP_RESPONSE_RESET_IN_PROGRESS:
+ *flags |= AP_POLL_AFTER_TIMEOUT;
+ break;
+ case AP_RESPONSE_Q_NOT_AVAIL:
+ case AP_RESPONSE_DECONFIGURED:
+ case AP_RESPONSE_CHECKSTOPPED:
+ return -ENODEV;
+ default:
+ break;
+ }
+ }
+
+ if ((ap_dev->reset != AP_RESET_IN_PROGRESS) &&
+ (ap_dev->interrupt == AP_INTR_IN_PROGRESS)) {
+ status = ap_test_queue(ap_dev->qid, &depth, &type);
+ if (ap_using_interrupts()) {
+ if (status.int_enabled == 1)
+ ap_dev->interrupt = AP_INTR_ENABLED;
+ else
+ *flags |= AP_POLL_AFTER_TIMEOUT;
+ } else
+ ap_dev->interrupt = AP_INTR_DISABLED;
+ }
rc = ap_poll_read(ap_dev, flags);
if (rc)
@@ -1676,7 +1704,8 @@ static int __ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_ms
struct ap_queue_status status;
if (list_empty(&ap_dev->requestq) &&
- ap_dev->queue_count < ap_dev->queue_depth) {
+ (ap_dev->queue_count < ap_dev->queue_depth) &&
+ (ap_dev->reset != AP_RESET_IN_PROGRESS)) {
status = __ap_send(ap_dev->qid, ap_msg->psmid,
ap_msg->message, ap_msg->length,
ap_msg->special);
@@ -1789,21 +1818,20 @@ static enum hrtimer_restart ap_poll_timeout(struct hrtimer *unused)
* Reset a not responding AP device and move all requests from the
* pending queue to the request queue.
*/
-static void ap_reset(struct ap_device *ap_dev)
+static void ap_reset(struct ap_device *ap_dev, unsigned long *flags)
{
int rc;
- ap_dev->reset = AP_RESET_IGNORE;
atomic_sub(ap_dev->queue_count, &ap_poll_requests);
ap_dev->queue_count = 0;
list_splice_init(&ap_dev->pendingq, &ap_dev->requestq);
ap_dev->requestq_count += ap_dev->pendingq_count;
ap_dev->pendingq_count = 0;
- rc = ap_init_queue(ap_dev->qid);
+ rc = ap_init_queue(ap_dev);
if (rc == -ENODEV)
ap_dev->unregistered = 1;
else
- __ap_schedule_poll_timer();
+ *flags |= AP_POLL_AFTER_TIMEOUT;
}
static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
@@ -1812,7 +1840,7 @@ static int __ap_poll_device(struct ap_device *ap_dev, unsigned long *flags)
if (ap_poll_queue(ap_dev, flags))
ap_dev->unregistered = 1;
if (ap_dev->reset == AP_RESET_DO)
- ap_reset(ap_dev);
+ ap_reset(ap_dev, flags);
}
return 0;
}
@@ -1845,9 +1873,9 @@ static void ap_poll_all(unsigned long dummy)
spin_unlock(&ap_dev->lock);
}
spin_unlock(&ap_device_list_lock);
- } while (flags & 1);
- if (flags & 2)
- ap_schedule_poll_timer();
+ } while (flags & AP_POLL_IMMEDIATELY);
+ if (flags & AP_POLL_AFTER_TIMEOUT)
+ __ap_schedule_poll_timer();
}
/**
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 2737d261a..00468c8d0 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -32,11 +32,13 @@
#define AP_DEVICES 64 /* Number of AP devices. */
#define AP_DOMAINS 256 /* Number of AP domains. */
-#define AP_MAX_RESET 90 /* Maximum number of resets. */
#define AP_RESET_TIMEOUT (HZ*0.7) /* Time in ticks for reset timeouts. */
#define AP_CONFIG_TIME 30 /* Time in seconds between AP bus rescans. */
#define AP_POLL_TIME 1 /* Time in ticks between receive polls. */
+#define AP_POLL_IMMEDIATELY 1 /* continue running poll tasklet */
+#define AP_POLL_AFTER_TIMEOUT 2 /* run poll tasklet again after timout */
+
extern int ap_domain_index;
/**
@@ -135,6 +137,14 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
#define AP_RESET_IGNORE 0 /* request timeout will be ignored */
#define AP_RESET_ARMED 1 /* request timeout timer is active */
#define AP_RESET_DO 2 /* AP reset required */
+#define AP_RESET_IN_PROGRESS 3 /* AP reset in progress */
+
+/*
+ * AP interrupt states
+ */
+#define AP_INTR_DISABLED 0 /* AP interrupt disabled */
+#define AP_INTR_ENABLED 1 /* AP interrupt enabled */
+#define AP_INTR_IN_PROGRESS 3 /* AP interrupt in progress */
struct ap_device;
struct ap_message;
@@ -168,6 +178,7 @@ struct ap_device {
struct timer_list timeout; /* Timer for request timeouts. */
int reset; /* Reset required after req. timeout. */
+ int interrupt; /* indicate if interrupts are enabled */
int queue_count; /* # messages currently on AP queue. */
struct list_head pendingq; /* List of message sent to AP queue. */
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 08f1830cb..01bf1f5cf 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \
"Copyright IBM Corp. 2001, 2012");
MODULE_LICENSE("GPL");
+static int zcrypt_hwrng_seed = 1;
+module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP);
+MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on).");
+
static DEFINE_SPINLOCK(zcrypt_device_lock);
static LIST_HEAD(zcrypt_device_list);
static int zcrypt_device_count = 0;
@@ -1373,6 +1377,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data)
static struct hwrng zcrypt_rng_dev = {
.name = "zcrypt",
.data_read = zcrypt_rng_data_read,
+ .quality = 990,
};
static int zcrypt_rng_device_add(void)
@@ -1387,6 +1392,8 @@ static int zcrypt_rng_device_add(void)
goto out;
}
zcrypt_rng_buffer_index = 0;
+ if (!zcrypt_hwrng_seed)
+ zcrypt_rng_dev.quality = 0;
rc = hwrng_register(&zcrypt_rng_dev);
if (rc)
goto out_free;
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 71e698b85..bb3908818 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -39,7 +39,7 @@
* But the maximum time limit managed by the stomper code is set to 60sec.
* Hence we have to wait at least that time period.
*/
-#define CEX4_CLEANUP_TIME (61*HZ)
+#define CEX4_CLEANUP_TIME (900*HZ)
static struct ap_device_id zcrypt_cex4_ids[] = {
{ AP_DEVICE(AP_DEVICE_TYPE_CEX4) },
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index 4d14c04b7..9f18876f0 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -98,11 +98,11 @@ static struct ap_driver zcrypt_pcicc_driver = {
* - VUD block
*/
static struct CPRB static_cprb = {
- .cprb_len = __constant_cpu_to_le16(0x0070),
+ .cprb_len = cpu_to_le16(0x0070),
.cprb_ver_id = 0x41,
.func_id = {0x54,0x32},
.checkpoint_flag= 0x01,
- .svr_namel = __constant_cpu_to_le16(0x0008),
+ .svr_namel = cpu_to_le16(0x0008),
.svr_name = {'I','C','S','F',' ',' ',' ',' '}
};
@@ -164,7 +164,7 @@ static int ICAMEX_msg_to_type6MEX_msg(struct zcrypt_device *zdev,
};
static struct function_and_rules_block static_pke_function_and_rules ={
.function_code = {'P','K'},
- .ulen = __constant_cpu_to_le16(10),
+ .ulen = cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
@@ -251,7 +251,7 @@ static int ICACRT_msg_to_type6CRT_msg(struct zcrypt_device *zdev,
};
static struct function_and_rules_block static_pkd_function_and_rules ={
.function_code = {'P','D'},
- .ulen = __constant_cpu_to_le16(10),
+ .ulen = cpu_to_le16(10),
.only_rule = {'P','K','C','S','-','1','.','2'}
};
struct {
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 00b7d9c9f..2f5b518b0 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2150,7 +2150,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
rc = lcs_detect(card);
if (rc) {
LCS_DBF_TEXT(2, setup, "dtctfail");
- dev_err(&card->dev->dev,
+ dev_err(&ccwgdev->dev,
"Detecting a network adapter for LCS devices"
" failed with rc=%d (0x%x)\n", rc, rc);
lcs_stopcard(card);
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 3abac0288..ba974a2e4 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -175,6 +175,8 @@ struct qeth_sbp_info {
__u32 supported_funcs;
enum qeth_sbp_roles role;
__u32 hostnotification:1;
+ __u32 reflect_promisc:1;
+ __u32 reflect_promisc_primary:1;
};
static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3466d3cb7..5e20fba37 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -645,7 +645,8 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
card->info.hwtrap = 2;
qeth_schedule_recovery(card);
return NULL;
- case IPA_CMD_SETBRIDGEPORT:
+ case IPA_CMD_SETBRIDGEPORT_IQD:
+ case IPA_CMD_SETBRIDGEPORT_OSA:
case IPA_CMD_ADDRESS_CHANGE_NOTIF:
if (card->discipline->control_event_handler
(card, cmd))
diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index 7b55768a9..beb4bdc26 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -237,6 +237,7 @@ static struct ipa_cmd_names qeth_ipa_cmd_names[] = {
{IPA_CMD_DELGMAC, "delgmac"},
{IPA_CMD_SETVLAN, "setvlan"},
{IPA_CMD_DELVLAN, "delvlan"},
+ {IPA_CMD_SETBRIDGEPORT_OSA, "set_bridge_port(osa)"},
{IPA_CMD_SETCCID, "setccid"},
{IPA_CMD_DELCCID, "delccid"},
{IPA_CMD_MODCCID, "modccid"},
@@ -249,7 +250,7 @@ static struct ipa_cmd_names qeth_ipa_cmd_names[] = {
{IPA_CMD_DELIP, "delip"},
{IPA_CMD_SETADAPTERPARMS, "setadapterparms"},
{IPA_CMD_SET_DIAG_ASS, "set_diag_ass"},
- {IPA_CMD_SETBRIDGEPORT, "set_bridge_port"},
+ {IPA_CMD_SETBRIDGEPORT_IQD, "set_bridge_port(hs)"},
{IPA_CMD_CREATE_ADDR, "create_addr"},
{IPA_CMD_DESTROY_ADDR, "destroy_addr"},
{IPA_CMD_REGISTER_LOCAL_ADDR, "register_local_addr"},
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 1558be1af..6cccc9a49 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -92,6 +92,7 @@ enum qeth_ipa_cmds {
IPA_CMD_DELGMAC = 0x24,
IPA_CMD_SETVLAN = 0x25,
IPA_CMD_DELVLAN = 0x26,
+ IPA_CMD_SETBRIDGEPORT_OSA = 0x2b,
IPA_CMD_SETCCID = 0x41,
IPA_CMD_DELCCID = 0x42,
IPA_CMD_MODCCID = 0x43,
@@ -104,7 +105,7 @@ enum qeth_ipa_cmds {
IPA_CMD_DELIP = 0xb7,
IPA_CMD_SETADAPTERPARMS = 0xb8,
IPA_CMD_SET_DIAG_ASS = 0xb9,
- IPA_CMD_SETBRIDGEPORT = 0xbe,
+ IPA_CMD_SETBRIDGEPORT_IQD = 0xbe,
IPA_CMD_CREATE_ADDR = 0xc3,
IPA_CMD_DESTROY_ADDR = 0xc4,
IPA_CMD_REGISTER_LOCAL_ADDR = 0xd1,
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0ea086912..2e65b989a 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -137,7 +137,7 @@ static int qeth_setdel_makerc(struct qeth_card *card, int retcode)
rc = 0;
break;
case IPA_RC_L2_UNSUPPORTED_CMD:
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
break;
case IPA_RC_L2_ADDR_TABLE_FULL:
rc = -ENOSPC;
@@ -683,6 +683,39 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
return rc ? -EINVAL : 0;
}
+static void qeth_promisc_to_bridge(struct qeth_card *card)
+{
+ struct net_device *dev = card->dev;
+ enum qeth_ipa_promisc_modes promisc_mode;
+ int role;
+ int rc;
+
+ QETH_CARD_TEXT(card, 3, "pmisc2br");
+
+ if (!card->options.sbp.reflect_promisc)
+ return;
+ promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON
+ : SET_PROMISC_MODE_OFF;
+ if (promisc_mode == card->info.promisc_mode)
+ return;
+
+ if (promisc_mode == SET_PROMISC_MODE_ON) {
+ if (card->options.sbp.reflect_promisc_primary)
+ role = QETH_SBP_ROLE_PRIMARY;
+ else
+ role = QETH_SBP_ROLE_SECONDARY;
+ } else
+ role = QETH_SBP_ROLE_NONE;
+
+ rc = qeth_bridgeport_setrole(card, role);
+ QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x",
+ (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc);
+ if (!rc) {
+ card->options.sbp.role = role;
+ card->info.promisc_mode = promisc_mode;
+ }
+}
+
static void qeth_l2_set_multicast_list(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
@@ -704,9 +737,10 @@ static void qeth_l2_set_multicast_list(struct net_device *dev)
qeth_l2_add_mc(card, ha->addr, 1);
spin_unlock_bh(&card->mclock);
- if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
- return;
- qeth_setadp_promisc_mode(card);
+ if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
+ qeth_setadp_promisc_mode(card);
+ else
+ qeth_promisc_to_bridge(card);
}
static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -994,7 +1028,7 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
qeth_bridgeport_query_support(card);
if (card->options.sbp.supported_funcs)
dev_info(&card->gdev->dev,
- "The device represents a HiperSockets Bridge Capable Port\n");
+ "The device represents a Bridge Capable Port\n");
qeth_trace_features(card);
if (!card->dev && qeth_l2_setup_netdev(card)) {
@@ -1247,7 +1281,8 @@ static int qeth_l2_control_event(struct qeth_card *card,
struct qeth_ipa_cmd *cmd)
{
switch (cmd->hdr.command) {
- case IPA_CMD_SETBRIDGEPORT:
+ case IPA_CMD_SETBRIDGEPORT_OSA:
+ case IPA_CMD_SETBRIDGEPORT_IQD:
if (cmd->data.sbp.hdr.command_code ==
IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
qeth_bridge_state_change(card, cmd);
@@ -1533,7 +1568,7 @@ static void qeth_bridge_host_event_worker(struct work_struct *work)
if (data->hostevs.lost_event_mask) {
dev_info(&data->card->gdev->dev,
-"Address notification from the HiperSockets Bridge Port stopped %s (%s)\n",
+"Address notification from the Bridge Port stopped %s (%s)\n",
data->card->dev->name,
(data->hostevs.lost_event_mask == 0x01)
? "Overflow"
@@ -1617,70 +1652,80 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd)
{
int rc;
+ int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD);
- switch (cbctl->ipa_rc) {
- case IPA_RC_SUCCESS:
+ if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) ||
+ (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc)))
switch (cbctl->cmd_rc) {
case 0x0000:
rc = 0;
break;
+ case 0x2B04:
case 0x0004:
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
break;
+ case 0x2B0C:
case 0x000C: /* Not configured as bridge Port */
rc = -ENODEV; /* maybe not the best code here? */
dev_err(&card->gdev->dev,
- "The HiperSockets device is not configured as a Bridge Port\n");
+ "The device is not configured as a Bridge Port\n");
break;
+ case 0x2B14:
case 0x0014: /* Another device is Primary */
switch (setcmd) {
case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
rc = -EEXIST;
dev_err(&card->gdev->dev,
- "The HiperSockets LAN already has a primary Bridge Port\n");
+ "The LAN already has a primary Bridge Port\n");
break;
case IPA_SBP_SET_SECONDARY_BRIDGE_PORT:
rc = -EBUSY;
dev_err(&card->gdev->dev,
- "The HiperSockets device is already a primary Bridge Port\n");
+ "The device is already a primary Bridge Port\n");
break;
default:
rc = -EIO;
}
break;
+ case 0x2B18:
case 0x0018: /* This device is currently Secondary */
rc = -EBUSY;
dev_err(&card->gdev->dev,
- "The HiperSockets device is already a secondary Bridge Port\n");
+ "The device is already a secondary Bridge Port\n");
break;
+ case 0x2B1C:
case 0x001C: /* Limit for Secondary devices reached */
rc = -EEXIST;
dev_err(&card->gdev->dev,
- "The HiperSockets LAN cannot have more secondary Bridge Ports\n");
+ "The LAN cannot have more secondary Bridge Ports\n");
break;
+ case 0x2B24:
case 0x0024: /* This device is currently Primary */
rc = -EBUSY;
dev_err(&card->gdev->dev,
- "The HiperSockets device is already a primary Bridge Port\n");
+ "The device is already a primary Bridge Port\n");
break;
+ case 0x2B20:
case 0x0020: /* Not authorized by zManager */
rc = -EACCES;
dev_err(&card->gdev->dev,
- "The HiperSockets device is not authorized to be a Bridge Port\n");
+ "The device is not authorized to be a Bridge Port\n");
break;
default:
rc = -EIO;
}
- break;
- case IPA_RC_NOTSUPP:
- rc = -ENOSYS;
- break;
- case IPA_RC_UNSUPPORTED_COMMAND:
- rc = -ENOSYS;
- break;
- default:
- rc = -EIO;
- }
+ else
+ switch (cbctl->ipa_rc) {
+ case IPA_RC_NOTSUPP:
+ rc = -EOPNOTSUPP;
+ break;
+ case IPA_RC_UNSUPPORTED_COMMAND:
+ rc = -EOPNOTSUPP;
+ break;
+ default:
+ rc = -EIO;
+ }
+
if (rc) {
QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc);
QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc);
@@ -1688,6 +1733,13 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
return rc;
}
+static inline int ipa_cmd_sbp(struct qeth_card *card)
+{
+ return (card->info.type == QETH_CARD_TYPE_IQD) ?
+ IPA_CMD_SETBRIDGEPORT_IQD :
+ IPA_CMD_SETBRIDGEPORT_OSA;
+}
+
static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
@@ -1719,7 +1771,7 @@ static void qeth_bridgeport_query_support(struct qeth_card *card)
struct _qeth_sbp_cbctl cbctl;
QETH_CARD_TEXT(card, 2, "brqsuppo");
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@@ -1796,7 +1848,7 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
QETH_CARD_TEXT(card, 2, "brqports");
if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
return -EOPNOTSUPP;
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@@ -1808,10 +1860,9 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
(void *)&cbctl);
- if (rc)
+ if (rc < 0)
return rc;
- rc = qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
- return rc;
+ return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
}
EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports);
@@ -1864,7 +1915,7 @@ int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
}
if (!(card->options.sbp.supported_funcs & setcmd))
return -EOPNOTSUPP;
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0);
+ iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
@@ -1874,10 +1925,9 @@ int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb,
(void *)&cbctl);
- if (rc)
+ if (rc < 0)
return rc;
- rc = qeth_bridgeport_makerc(card, &cbctl, setcmd);
- return rc;
+ return qeth_bridgeport_makerc(card, &cbctl, setcmd);
}
/**
@@ -1898,7 +1948,7 @@ static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response)
case 0x0004:
case 0x0100:
case 0x0106:
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
dev_err(&card->gdev->dev,
"Setting address notification failed\n");
break;
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index 59e3aa538..52673cd1d 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -23,8 +23,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
if (!card)
return -EINVAL;
- mutex_lock(&card->conf_mutex);
-
if (qeth_card_hw_is_reachable(card) &&
card->options.sbp.supported_funcs)
rc = qeth_bridgeport_query_ports(card,
@@ -59,8 +57,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
rc = sprintf(buf, "%s\n", word);
}
- mutex_unlock(&card->conf_mutex);
-
return rc;
}
@@ -90,7 +86,9 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev,
mutex_lock(&card->conf_mutex);
- if (qeth_card_hw_is_reachable(card)) {
+ if (card->options.sbp.reflect_promisc) /* Forbid direct manipulation */
+ rc = -EPERM;
+ else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_setrole(card, role);
if (!rc)
card->options.sbp.role = role;
@@ -123,12 +121,8 @@ static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
if (!card)
return -EINVAL;
- mutex_lock(&card->conf_mutex);
-
enabled = card->options.sbp.hostnotification;
- mutex_unlock(&card->conf_mutex);
-
return sprintf(buf, "%d\n", enabled);
}
@@ -167,10 +161,72 @@ static DEVICE_ATTR(bridge_hostnotify, 0644,
qeth_bridgeport_hostnotification_show,
qeth_bridgeport_hostnotification_store);
+static ssize_t qeth_bridgeport_reflect_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ char *state;
+
+ if (!card)
+ return -EINVAL;
+
+ if (card->options.sbp.reflect_promisc) {
+ if (card->options.sbp.reflect_promisc_primary)
+ state = "primary";
+ else
+ state = "secondary";
+ } else
+ state = "none";
+
+ return sprintf(buf, "%s\n", state);
+}
+
+static ssize_t qeth_bridgeport_reflect_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ int enable, primary;
+ int rc = 0;
+
+ if (!card)
+ return -EINVAL;
+
+ if (sysfs_streq(buf, "none")) {
+ enable = 0;
+ primary = 0;
+ } else if (sysfs_streq(buf, "primary")) {
+ enable = 1;
+ primary = 1;
+ } else if (sysfs_streq(buf, "secondary")) {
+ enable = 1;
+ primary = 0;
+ } else
+ return -EINVAL;
+
+ mutex_lock(&card->conf_mutex);
+
+ if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
+ rc = -EPERM;
+ else {
+ card->options.sbp.reflect_promisc = enable;
+ card->options.sbp.reflect_promisc_primary = primary;
+ rc = 0;
+ }
+
+ mutex_unlock(&card->conf_mutex);
+
+ return rc ? rc : count;
+}
+
+static DEVICE_ATTR(bridge_reflect_promisc, 0644,
+ qeth_bridgeport_reflect_show,
+ qeth_bridgeport_reflect_store);
+
static struct attribute *qeth_l2_bridgeport_attrs[] = {
&dev_attr_bridge_role.attr,
&dev_attr_bridge_state.attr,
&dev_attr_bridge_hostnotify.attr,
+ &dev_attr_bridge_reflect_promisc.attr,
NULL,
};
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 04e42c649..70eb2f61b 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3198,8 +3198,7 @@ static int qeth_l3_set_features(struct net_device *dev,
netdev_features_t features)
{
struct qeth_card *card = dev->ml_priv;
- u32 changed = dev->features ^ features;
- int err;
+ netdev_features_t changed = dev->features ^ features;
if (!(changed & NETIF_F_RXCSUM))
return 0;
@@ -3208,11 +3207,7 @@ static int qeth_l3_set_features(struct net_device *dev,
card->state == CARD_STATE_RECOVER)
return 0;
- err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM);
- if (err)
- dev->features = features ^ NETIF_F_RXCSUM;
-
- return err;
+ return qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0);
}
static const struct ethtool_ops qeth_l3_ethtool_ops = {
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 75f4bfc2b..b3c6ff491 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -297,7 +297,6 @@ static struct scsi_host_template zfcp_scsi_host_template = {
* ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8,
/* GCD, adjusted later */
.dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
- .cmd_per_lun = 1,
.use_clustering = 1,
.shost_attrs = zfcp_sysfs_shost_attrs,
.sdev_attrs = zfcp_sysfs_sdev_attrs,
diff --git a/drivers/s390/kvm/Makefile b/drivers/s390/virtio/Makefile
index 241891a57..241891a57 100644
--- a/drivers/s390/kvm/Makefile
+++ b/drivers/s390/virtio/Makefile
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c
index dd65c8b4c..53fb975c4 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/virtio/kvm_virtio.c
@@ -450,7 +450,7 @@ static int __init test_devices_support(unsigned long addr)
static int __init kvm_devices_init(void)
{
int rc;
- unsigned long total_memory_size = sclp_get_rzm() * sclp_get_rnmax();
+ unsigned long total_memory_size = sclp.rzm * sclp.rnmax;
if (!MACHINE_IS_KVM)
return -ENODEV;
@@ -497,7 +497,7 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
static int __init s390_virtio_console_init(void)
{
- if (sclp_has_vt220() || sclp_has_linemode())
+ if (sclp.has_vt220 || sclp.has_linemode)
return -ENODEV;
return virtio_cons_early_init(early_put_chars);
}
diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index f8d8fdb26..f8d8fdb26 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-04 06:06:16 +0000