diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_tmpl.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_tmpl.c | 29 |
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); |