qla2xxx: Track the process when the ROM_LOCK failure happens
Signed-off-by: Hiral Patel <hiral.patel@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 3c5819a..61774bc 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -860,13 +860,14 @@
}
timeout++;
}
- qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum);
return 0;
}
static void
qla82xx_rom_unlock(struct qla_hw_data *ha)
{
+ qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff);
qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
}
@@ -950,6 +951,7 @@
qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
{
int ret, loops = 0;
+ uint32_t lock_owner = 0;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
@@ -958,8 +960,10 @@
loops++;
}
if (loops >= 50000) {
+ lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
ql_log(ql_log_fatal, vha, 0x00b9,
- "Failed to acquire SEM2 lock.\n");
+ "Failed to acquire SEM2 lock, Lock Owner %u.\n",
+ lock_owner);
return -1;
}
ret = qla82xx_do_rom_fast_read(ha, addr, valp);
@@ -1057,6 +1061,7 @@
ql82xx_rom_lock_d(struct qla_hw_data *ha)
{
int loops = 0;
+ uint32_t lock_owner = 0;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
@@ -1065,8 +1070,9 @@
loops++;
}
if (loops >= 50000) {
+ lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
ql_log(ql_log_warn, vha, 0xb010,
- "ROM lock failed.\n");
+ "ROM lock failed, Lock Owner %u.\n", lock_owner);
return -1;
}
return 0;
@@ -2811,12 +2817,14 @@
qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
{
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+ uint32_t lock_owner = 0;
- if (qla82xx_rom_lock(ha))
+ if (qla82xx_rom_lock(ha)) {
+ lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
/* Someone else is holding the lock. */
ql_log(ql_log_info, vha, 0xb022,
- "Resetting rom_lock.\n");
-
+ "Resetting rom_lock, Lock Owner %u.\n", lock_owner);
+ }
/*
* Either we got the lock, or someone
* else died while holding it.
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index d57f6fe..d978a5d 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -333,9 +333,6 @@
#define QLA82XX_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004)
#define QLA82XX_ROMUSB_GLB_CAS_RST (ROMUSB_GLB + 0x0038)
-/* Lock IDs for ROM lock */
-#define ROM_LOCK_DRIVER 0x0d417340
-
#define QLA82XX_PCI_CRB_WINDOWSIZE 0x00100000 /* all are 1MB windows */
#define QLA82XX_PCI_CRB_WINDOW(A) \
(QLA82XX_PCI_CRBSPACE + (A)*QLA82XX_PCI_CRB_WINDOWSIZE)