[SCSI] qla2xxx: Add ISP84XX support.
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 10e6995..916462e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -37,6 +37,9 @@
static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
+static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
+static int qla84xx_init_chip(scsi_qla_host_t *);
+
/****************************************************************************/
/* QLogic ISP2x00 Hardware Support Functions. */
/****************************************************************************/
@@ -108,6 +111,14 @@
return (rval);
qla2xxx_get_flash_info(ha);
}
+ if (IS_QLA84XX(ha)) {
+ ha->cs84xx = qla84xx_get_chip(ha);
+ if (!ha->cs84xx) {
+ qla_printk(KERN_ERR, ha,
+ "Unable to configure ISP84XX.\n");
+ return QLA_FUNCTION_FAILED;
+ }
+ }
rval = qla2x00_init_rings(ha);
return (rval);
@@ -1243,10 +1254,10 @@
qla2x00_fw_ready(scsi_qla_host_t *ha)
{
int rval;
- unsigned long wtime, mtime;
+ unsigned long wtime, mtime, cs84xx_time;
uint16_t min_wait; /* Minimum wait time if loop is down */
uint16_t wait_time; /* Wait time if loop is coming ready */
- uint16_t fw_state;
+ uint16_t state[3];
rval = QLA_SUCCESS;
@@ -1275,12 +1286,34 @@
ha->host_no));
do {
- rval = qla2x00_get_firmware_state(ha, &fw_state);
+ rval = qla2x00_get_firmware_state(ha, state);
if (rval == QLA_SUCCESS) {
- if (fw_state < FSTATE_LOSS_OF_SYNC) {
+ if (state[0] < FSTATE_LOSS_OF_SYNC) {
ha->device_flags &= ~DFLG_NO_CABLE;
}
- if (fw_state == FSTATE_READY) {
+ if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
+ DEBUG16(printk("scsi(%ld): fw_state=%x "
+ "84xx=%x.\n", ha->host_no, state[0],
+ state[2]));
+ if ((state[2] & FSTATE_LOGGED_IN) &&
+ (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
+ DEBUG16(printk("scsi(%ld): Sending "
+ "verify iocb.\n", ha->host_no));
+
+ cs84xx_time = jiffies;
+ rval = qla84xx_init_chip(ha);
+ if (rval != QLA_SUCCESS)
+ break;
+
+ /* Add time taken to initialize. */
+ cs84xx_time = jiffies - cs84xx_time;
+ wtime += cs84xx_time;
+ mtime += cs84xx_time;
+ DEBUG16(printk("scsi(%ld): Increasing "
+ "wait time by %ld. New time %ld\n",
+ ha->host_no, cs84xx_time, wtime));
+ }
+ } else if (state[0] == FSTATE_READY) {
DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
ha->host_no));
@@ -1294,7 +1327,7 @@
rval = QLA_FUNCTION_FAILED;
if (atomic_read(&ha->loop_down_timer) &&
- fw_state != FSTATE_READY) {
+ state[0] != FSTATE_READY) {
/* Loop down. Timeout on min_wait for states
* other than Wait for Login.
*/
@@ -1319,11 +1352,11 @@
msleep(500);
DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
- ha->host_no, fw_state, jiffies));
+ ha->host_no, state[0], jiffies));
} while (1);
DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
- ha->host_no, fw_state, jiffies));
+ ha->host_no, state[0], jiffies));
if (rval) {
DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
@@ -4038,3 +4071,73 @@
return rval;
}
+
+/* 84XX Support **************************************************************/
+
+static LIST_HEAD(qla_cs84xx_list);
+static DEFINE_MUTEX(qla_cs84xx_mutex);
+
+static struct qla_chip_state_84xx *
+qla84xx_get_chip(struct scsi_qla_host *ha)
+{
+ struct qla_chip_state_84xx *cs84xx;
+
+ mutex_lock(&qla_cs84xx_mutex);
+
+ /* Find any shared 84xx chip. */
+ list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
+ if (cs84xx->bus == ha->pdev->bus) {
+ kref_get(&cs84xx->kref);
+ goto done;
+ }
+ }
+
+ cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
+ if (!cs84xx)
+ goto done;
+
+ kref_init(&cs84xx->kref);
+ spin_lock_init(&cs84xx->access_lock);
+ mutex_init(&cs84xx->fw_update_mutex);
+ cs84xx->bus = ha->pdev->bus;
+
+ list_add_tail(&cs84xx->list, &qla_cs84xx_list);
+done:
+ mutex_unlock(&qla_cs84xx_mutex);
+ return cs84xx;
+}
+
+static void
+__qla84xx_chip_release(struct kref *kref)
+{
+ struct qla_chip_state_84xx *cs84xx =
+ container_of(kref, struct qla_chip_state_84xx, kref);
+
+ mutex_lock(&qla_cs84xx_mutex);
+ list_del(&cs84xx->list);
+ mutex_unlock(&qla_cs84xx_mutex);
+ kfree(cs84xx);
+}
+
+void
+qla84xx_put_chip(struct scsi_qla_host *ha)
+{
+ if (ha->cs84xx)
+ kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
+}
+
+static int
+qla84xx_init_chip(scsi_qla_host_t *ha)
+{
+ int rval;
+ uint16_t status[2];
+
+ mutex_lock(&ha->cs84xx->fw_update_mutex);
+
+ rval = qla84xx_verify_chip(ha, status);
+
+ mutex_unlock(&ha->cs84xx->fw_update_mutex);
+
+ return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
+ QLA_SUCCESS;
+}