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Diffstat (limited to 'drivers/scsi/qla1280.c')
-rw-r--r--drivers/scsi/qla1280.c162
1 files changed, 109 insertions, 53 deletions
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 49ac414..b8166ec 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.
@@ -346,7 +348,6 @@
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
-#include <linux/slab.h>
#include <linux/pci_ids.h>
#include <linux/interrupt.h>
#include <linux/init.h>
@@ -538,9 +539,9 @@ __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 +562,30 @@ 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 +1528,63 @@ 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 +1707,18 @@ 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 +1736,10 @@ 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 +1747,7 @@ 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 +1762,10 @@ 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 +1850,6 @@ 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 +1888,7 @@ 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 +4467,16 @@ 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);
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