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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_tmpl.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_tmpl.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 294d77c02cdf..5b0c057def2b 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -10,6 +10,7 @@
#define ISPREG(vha) (&(vha)->hw->iobase->isp24)
#define IOBAR(reg) offsetof(typeof(*(reg)), iobase_addr)
#define IOBASE(vha) IOBAR(ISPREG(vha))
+#define INVALID_ENTRY ((struct qla27xx_fwdt_entry *)0xffffffffffffffffUL)
static inline void
qla27xx_insert16(uint16_t value, void *buf, ulong *len)
@@ -261,6 +262,7 @@ qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
ulong start = le32_to_cpu(ent->t262.start_addr);
ulong end = le32_to_cpu(ent->t262.end_addr);
ulong dwords;
+ int rc;
ql_dbg(ql_dbg_misc, vha, 0xd206,
"%s: rdram(%x) [%lx]\n", __func__, ent->t262.ram_area, *len);
@@ -308,7 +310,13 @@ qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha,
dwords = end - start + 1;
if (buf) {
buf += *len;
- qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
+ rc = qla24xx_dump_ram(vha->hw, start, buf, dwords, &buf);
+ if (rc != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "%s: dump ram MB failed. Area %xh start %lxh end %lxh\n",
+ __func__, area, start, end);
+ return INVALID_ENTRY;
+ }
}
*len += dwords * sizeof(uint32_t);
done:
@@ -838,6 +846,13 @@ qla27xx_walk_template(struct scsi_qla_host *vha,
ent = qla27xx_find_entry(type)(vha, ent, buf, len);
if (!ent)
break;
+
+ if (ent == INVALID_ENTRY) {
+ *len = 0;
+ ql_dbg(ql_dbg_async, vha, 0xffff,
+ "Unable to capture FW dump");
+ goto bailout;
+ }
}
if (tmp->count)
@@ -847,6 +862,9 @@ qla27xx_walk_template(struct scsi_qla_host *vha,
if (ent)
ql_dbg(ql_dbg_misc, vha, 0xd019,
"%s: missing end entry\n", __func__);
+
+bailout:
+ cpu_to_le32s(&tmp->count); /* endianize residual count */
}
static void
@@ -999,8 +1017,9 @@ qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
uint j;
ulong len;
void *buf = vha->hw->fw_dump;
+ uint count = vha->hw->fw_dump_mpi ? 2 : 1;
- for (j = 0; j < 2; j++, fwdt++, buf += len) {
+ for (j = 0; j < count; j++, fwdt++, buf += len) {
ql_log(ql_log_warn, vha, 0xd011,
"-> fwdt%u running...\n", j);
if (!fwdt->template) {
@@ -1010,7 +1029,9 @@ qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
}
len = qla27xx_execute_fwdt_template(vha,
fwdt->template, buf);
- if (len != fwdt->dump_size) {
+ if (len == 0) {
+ goto bailout;
+ } else if (len != fwdt->dump_size) {
ql_log(ql_log_warn, vha, 0xd013,
"-> fwdt%u fwdump residual=%+ld\n",
j, fwdt->dump_size - len);
@@ -1025,6 +1046,8 @@ qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
}
+bailout:
+ vha->hw->fw_dump_mpi = 0;
#ifndef __CHECKER__
if (!hardware_locked)
spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);