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-rw-r--r--drivers/scsi/ipr.c80
-rw-r--r--drivers/scsi/ipr.h16
2 files changed, 75 insertions, 21 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index fa2513cc76cc..3667f89abdea 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -60,6 +60,7 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/pci.h>
@@ -2717,13 +2718,18 @@ static int ipr_sdt_copy(struct ipr_ioa_cfg *ioa_cfg,
unsigned long pci_address, u32 length)
{
int bytes_copied = 0;
- int cur_len, rc, rem_len, rem_page_len;
+ int cur_len, rc, rem_len, rem_page_len, max_dump_size;
__be32 *page;
unsigned long lock_flags = 0;
struct ipr_ioa_dump *ioa_dump = &ioa_cfg->dump->ioa_dump;
+ if (ioa_cfg->sis64)
+ max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE;
+ else
+ max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE;
+
while (bytes_copied < length &&
- (ioa_dump->hdr.len + bytes_copied) < IPR_MAX_IOA_DUMP_SIZE) {
+ (ioa_dump->hdr.len + bytes_copied) < max_dump_size) {
if (ioa_dump->page_offset >= PAGE_SIZE ||
ioa_dump->page_offset == 0) {
page = (__be32 *)__get_free_page(GFP_ATOMIC);
@@ -2885,8 +2891,8 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
unsigned long lock_flags = 0;
struct ipr_driver_dump *driver_dump = &dump->driver_dump;
struct ipr_ioa_dump *ioa_dump = &dump->ioa_dump;
- u32 num_entries, start_off, end_off;
- u32 bytes_to_copy, bytes_copied, rc;
+ u32 num_entries, max_num_entries, start_off, end_off;
+ u32 max_dump_size, bytes_to_copy, bytes_copied, rc;
struct ipr_sdt *sdt;
int valid = 1;
int i;
@@ -2947,8 +2953,18 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
on entries in this table */
sdt = &ioa_dump->sdt;
+ if (ioa_cfg->sis64) {
+ max_num_entries = IPR_FMT3_NUM_SDT_ENTRIES;
+ max_dump_size = IPR_FMT3_MAX_IOA_DUMP_SIZE;
+ } else {
+ max_num_entries = IPR_FMT2_NUM_SDT_ENTRIES;
+ max_dump_size = IPR_FMT2_MAX_IOA_DUMP_SIZE;
+ }
+
+ bytes_to_copy = offsetof(struct ipr_sdt, entry) +
+ (max_num_entries * sizeof(struct ipr_sdt_entry));
rc = ipr_get_ldump_data_section(ioa_cfg, start_addr, (__be32 *)sdt,
- sizeof(struct ipr_sdt) / sizeof(__be32));
+ bytes_to_copy / sizeof(__be32));
/* Smart Dump table is ready to use and the first entry is valid */
if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) &&
@@ -2964,13 +2980,20 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
num_entries = be32_to_cpu(sdt->hdr.num_entries_used);
- if (num_entries > IPR_NUM_SDT_ENTRIES)
- num_entries = IPR_NUM_SDT_ENTRIES;
+ if (num_entries > max_num_entries)
+ num_entries = max_num_entries;
+
+ /* Update dump length to the actual data to be copied */
+ dump->driver_dump.hdr.len += sizeof(struct ipr_sdt_header);
+ if (ioa_cfg->sis64)
+ dump->driver_dump.hdr.len += num_entries * sizeof(struct ipr_sdt_entry);
+ else
+ dump->driver_dump.hdr.len += max_num_entries * sizeof(struct ipr_sdt_entry);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
for (i = 0; i < num_entries; i++) {
- if (ioa_dump->hdr.len > IPR_MAX_IOA_DUMP_SIZE) {
+ if (ioa_dump->hdr.len > max_dump_size) {
driver_dump->hdr.status = IPR_DUMP_STATUS_QUAL_SUCCESS;
break;
}
@@ -2989,7 +3012,7 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
valid = 0;
}
if (valid) {
- if (bytes_to_copy > IPR_MAX_IOA_DUMP_SIZE) {
+ if (bytes_to_copy > max_dump_size) {
sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY;
continue;
}
@@ -3044,6 +3067,7 @@ static void ipr_release_dump(struct kref *kref)
for (i = 0; i < dump->ioa_dump.next_page_index; i++)
free_page((unsigned long) dump->ioa_dump.ioa_data[i]);
+ vfree(dump->ioa_dump.ioa_data);
kfree(dump);
LEAVE;
}
@@ -3835,7 +3859,7 @@ static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
struct ipr_dump *dump;
unsigned long lock_flags = 0;
char *src;
- int len;
+ int len, sdt_end;
size_t rc = count;
if (!capable(CAP_SYS_ADMIN))
@@ -3875,9 +3899,17 @@ static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
off -= sizeof(dump->driver_dump);
- if (count && off < offsetof(struct ipr_ioa_dump, ioa_data)) {
- if (off + count > offsetof(struct ipr_ioa_dump, ioa_data))
- len = offsetof(struct ipr_ioa_dump, ioa_data) - off;
+ if (ioa_cfg->sis64)
+ sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) +
+ (be32_to_cpu(dump->ioa_dump.sdt.hdr.num_entries_used) *
+ sizeof(struct ipr_sdt_entry));
+ else
+ sdt_end = offsetof(struct ipr_ioa_dump, sdt.entry) +
+ (IPR_FMT2_NUM_SDT_ENTRIES * sizeof(struct ipr_sdt_entry));
+
+ if (count && off < sdt_end) {
+ if (off + count > sdt_end)
+ len = sdt_end - off;
else
len = count;
src = (u8 *)&dump->ioa_dump + off;
@@ -3887,7 +3919,7 @@ static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
count -= len;
}
- off -= offsetof(struct ipr_ioa_dump, ioa_data);
+ off -= sdt_end;
while (count) {
if ((off & PAGE_MASK) != ((off + count) & PAGE_MASK))
@@ -3916,6 +3948,7 @@ static ssize_t ipr_read_dump(struct file *filp, struct kobject *kobj,
static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
{
struct ipr_dump *dump;
+ __be32 **ioa_data;
unsigned long lock_flags = 0;
dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL);
@@ -3925,6 +3958,19 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
return -ENOMEM;
}
+ if (ioa_cfg->sis64)
+ ioa_data = vmalloc(IPR_FMT3_MAX_NUM_DUMP_PAGES * sizeof(__be32 *));
+ else
+ ioa_data = vmalloc(IPR_FMT2_MAX_NUM_DUMP_PAGES * sizeof(__be32 *));
+
+ if (!ioa_data) {
+ ipr_err("Dump memory allocation failed\n");
+ kfree(dump);
+ return -ENOMEM;
+ }
+
+ dump->ioa_dump.ioa_data = ioa_data;
+
kref_init(&dump->kref);
dump->ioa_cfg = ioa_cfg;
@@ -3932,6 +3978,7 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg)
if (INACTIVE != ioa_cfg->sdt_state) {
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+ vfree(dump->ioa_dump.ioa_data);
kfree(dump);
return 0;
}
@@ -7566,7 +7613,10 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
ipr_cmd->job_step = ipr_reset_enable_ioa;
if (GET_DUMP == ioa_cfg->sdt_state) {
- ipr_reset_start_timer(ipr_cmd, IPR_DUMP_TIMEOUT);
+ if (ioa_cfg->sis64)
+ ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT);
+ else
+ ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT);
ipr_cmd->job_step = ipr_reset_wait_for_dump;
schedule_work(&ioa_cfg->work_q);
return IPR_RC_JOB_RETURN;
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 11b2dac71ab3..4e9701ee599d 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -217,7 +217,8 @@
#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
-#define IPR_DUMP_TIMEOUT (15 * HZ)
+#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
+#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
#define IPR_DUMP_DELAY_SECONDS 4
#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
@@ -285,9 +286,12 @@ IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
/*
* Dump literals
*/
-#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
-#define IPR_NUM_SDT_ENTRIES 511
-#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
+#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
+#define IPR_FMT3_MAX_IOA_DUMP_SIZE (32 * 1024 * 1024)
+#define IPR_FMT2_NUM_SDT_ENTRIES 511
+#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
+#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
+#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
/*
* Misc literals
@@ -1164,7 +1168,7 @@ struct ipr_sdt_header {
struct ipr_sdt {
struct ipr_sdt_header hdr;
- struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
+ struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
}__attribute__((packed, aligned (4)));
struct ipr_uc_sdt {
@@ -1608,7 +1612,7 @@ struct ipr_driver_dump {
struct ipr_ioa_dump {
struct ipr_dump_entry_header hdr;
struct ipr_sdt sdt;
- __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
+ __be32 **ioa_data;
u32 reserved;
u32 next_page_index;
u32 page_offset;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 12:04:57 +0300