diff options
| -rw-r--r-- | drivers/scsi/qla1280.c | 161 |
1 files changed, 109 insertions, 52 deletions
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 49ac414..66e2dd4 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -17,9 +17,11 @@ * General Public License for more details. * ******************************************************************************/ -#define QLA1280_VERSION "3.27" +#define QLA1280_VERSION "3.27.1" /***************************************************************************** Revision History: + Rev 3.27.1, February 8, 2010, Michael Reed + - Retain firmware image for error recovery. Rev 3.27, February 10, 2009, Michael Reed - General code cleanup. - Improve error recovery. @@ -538,9 +540,9 @@ __setup("qla1280=", qla1280_setup); /*****************************************/ struct qla_boards { - unsigned char name[9]; /* Board ID String */ + char *name; /* Board ID String */ int numPorts; /* Number of SCSI ports */ - char *fwname; /* firmware name */ + int fw_index; /* index into qla1280_fw_tbl for firmware */ }; /* NOTE: the last argument in each entry is used to index ql1280_board_tbl */ @@ -561,15 +563,30 @@ static struct pci_device_id qla1280_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); +DEFINE_MUTEX(qla1280_firmware_mutex); + +struct qla_fw { + char *fwname; + const struct firmware *fw; +}; + +#define QL_NUM_FW_IMAGES 3 + +struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { + {"qlogic/1040.bin", NULL}, /* image 0 */ + {"qlogic/1280.bin", NULL}, /* image 1 */ + {"qlogic/12160.bin", NULL}, /* image 2 */ +}; + +/* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ static struct qla_boards ql1280_board_tbl[] = { - /* Name , Number of ports, FW details */ - {"QLA12160", 2, "qlogic/12160.bin"}, - {"QLA1040", 1, "qlogic/1040.bin"}, - {"QLA1080", 1, "qlogic/1280.bin"}, - {"QLA1240", 2, "qlogic/1280.bin"}, - {"QLA1280", 2, "qlogic/1280.bin"}, - {"QLA10160", 1, "qlogic/12160.bin"}, - {" ", 0, " "}, + {.name = "QLA12160", .numPorts = 2, .fw_index = 2}, + {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, + {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, + {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, + {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, + {.name = "QLA10160", .numPorts = 1, .fw_index = 2}, + {.name = " ", .numPorts = 0, .fw_index = -1}, }; static int qla1280_verbose = 1; @@ -1512,6 +1529,63 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha) } /* + * qla1280_request_firmware + * Acquire firmware for chip. Retain in memory + * for error recovery. + * + * Input: + * ha = adapter block pointer. + * + * Returns: + * Pointer to firmware image or an error code + * cast to pointer via ERR_PTR(). + */ +static const struct firmware * +qla1280_request_firmware(struct scsi_qla_host *ha) +{ + const struct firmware *fw; + int err; + int index; + char *fwname; + + spin_unlock_irq(ha->host->host_lock); + mutex_lock(&qla1280_firmware_mutex); + + index = ql1280_board_tbl[ha->devnum].fw_index; + fw = qla1280_fw_tbl[index].fw; + if (fw) + goto out; + + fwname = qla1280_fw_tbl[index].fwname; + err = request_firmware(&fw, fwname, &ha->pdev->dev); + + if (err) { + printk(KERN_ERR "Failed to load image \"%s\" err %d\n", + fwname, err); + fw = ERR_PTR(err); + goto unlock; + } + if ((fw->size % 2) || (fw->size < 6)) { + printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n", + fw->size, fwname); + release_firmware(fw); + fw = ERR_PTR(-EINVAL); + goto unlock; + } + + qla1280_fw_tbl[index].fw = fw; + + out: + ha->fwver1 = fw->data[0]; + ha->fwver2 = fw->data[1]; + ha->fwver3 = fw->data[2]; + unlock: + mutex_unlock(&qla1280_firmware_mutex); + spin_lock_irq(ha->host->host_lock); + return fw; +} + +/* * Chip diagnostics * Test chip for proper operation. * @@ -1634,30 +1708,18 @@ qla1280_chip_diag(struct scsi_qla_host *ha) static int qla1280_load_firmware_pio(struct scsi_qla_host *ha) { + /* enter with host_lock acquired */ + const struct firmware *fw; const __le16 *fw_data; uint16_t risc_address, risc_code_size; uint16_t mb[MAILBOX_REGISTER_COUNT], i; - int err; + int err = 0; + + fw = qla1280_request_firmware(ha); + if (IS_ERR(fw)) + return PTR_ERR(fw); - spin_unlock_irq(ha->host->host_lock); - err = request_firmware(&fw, ql1280_board_tbl[ha->devnum].fwname, - &ha->pdev->dev); - spin_lock_irq(ha->host->host_lock); - if (err) { - printk(KERN_ERR "Failed to load image \"%s\" err %d\n", - ql1280_board_tbl[ha->devnum].fwname, err); - return err; - } - if ((fw->size % 2) || (fw->size < 6)) { - printk(KERN_ERR "Bogus length %zu in image \"%s\"\n", - fw->size, ql1280_board_tbl[ha->devnum].fwname); - err = -EINVAL; - goto out; - } - ha->fwver1 = fw->data[0]; - ha->fwver2 = fw->data[1]; - ha->fwver3 = fw->data[2]; fw_data = (const __le16 *)&fw->data[0]; ha->fwstart = __le16_to_cpu(fw_data[2]); @@ -1675,11 +1737,10 @@ qla1280_load_firmware_pio(struct scsi_qla_host *ha) if (err) { printk(KERN_ERR "scsi(%li): Failed to load firmware\n", ha->host_no); - goto out; + break; } } -out: - release_firmware(fw); + return err; } @@ -1687,6 +1748,7 @@ out: static int qla1280_load_firmware_dma(struct scsi_qla_host *ha) { + /* enter with host_lock acquired */ const struct firmware *fw; const __le16 *fw_data; uint16_t risc_address, risc_code_size; @@ -1701,24 +1763,10 @@ qla1280_load_firmware_dma(struct scsi_qla_host *ha) return -ENOMEM; #endif - spin_unlock_irq(ha->host->host_lock); - err = request_firmware(&fw, ql1280_board_tbl[ha->devnum].fwname, - &ha->pdev->dev); - spin_lock_irq(ha->host->host_lock); - if (err) { - printk(KERN_ERR "Failed to load image \"%s\" err %d\n", - ql1280_board_tbl[ha->devnum].fwname, err); - return err; - } - if ((fw->size % 2) || (fw->size < 6)) { - printk(KERN_ERR "Bogus length %zu in image \"%s\"\n", - fw->size, ql1280_board_tbl[ha->devnum].fwname); - err = -EINVAL; - goto out; - } - ha->fwver1 = fw->data[0]; - ha->fwver2 = fw->data[1]; - ha->fwver3 = fw->data[2]; + fw = qla1280_request_firmware(ha); + if (IS_ERR(fw)) + return PTR_ERR(fw); + fw_data = (const __le16 *)&fw->data[0]; ha->fwstart = __le16_to_cpu(fw_data[2]); @@ -1803,7 +1851,6 @@ qla1280_load_firmware_dma(struct scsi_qla_host *ha) #if DUMP_IT_BACK pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf); #endif - release_firmware(fw); return err; } @@ -1842,6 +1889,7 @@ qla1280_start_firmware(struct scsi_qla_host *ha) static int qla1280_load_firmware(struct scsi_qla_host *ha) { + /* enter with host_lock taken */ int err; err = qla1280_chip_diag(ha); @@ -4420,7 +4468,16 @@ qla1280_init(void) static void __exit qla1280_exit(void) { + int i; + pci_unregister_driver(&qla1280_pci_driver); + /* release any allocated firmware images */ + for (i = 0; i < QL_NUM_FW_IMAGES; i++) { + if (qla1280_fw_tbl[i].fw) { + release_firmware(qla1280_fw_tbl[i].fw); + qla1280_fw_tbl[i].fw = NULL; + } + } } module_init(qla1280_init); |