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| author | Hiral Patel <hiral.patel@qlogic.com> | 2014-04-11 16:54:19 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-19 13:31:01 +0200 |
| commit | 4babb90e5744a56c01ce886cbed9a968a6258ba7 (patch) | |
| tree | 34fcbe1b97fd1fbd66eafb4c9daef2cfa65c59e6 | |
| parent | 7095388f7eb2ff9fcd2ca17248a73de555f4d09b (diff) | |
| download | linux-4babb90e5744a56c01ce886cbed9a968a6258ba7.tar.gz linux-4babb90e5744a56c01ce886cbed9a968a6258ba7.tar.bz2 linux-4babb90e5744a56c01ce886cbed9a968a6258ba7.zip | |
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>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 20 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.h | 3 |
2 files changed, 14 insertions, 9 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 3c5819ae451b..61774bc2bb62 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -860,13 +860,14 @@ qla82xx_rom_lock(struct qla_hw_data *ha) } 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 @@ static int 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 @@ qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 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 @@ static int 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 @@ ql82xx_rom_lock_d(struct qla_hw_data *ha) 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 @@ static void 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 d57f6fef53bb..d978a5d2e11b 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) |