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-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h3
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h6
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h6
-rw-r--r--drivers/scsi/qla4xxx/ql4_isr.c34
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c132
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c31
6 files changed, 203 insertions, 9 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index bd01af5d1f89..b74a0e20b6ed 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -205,6 +205,7 @@
#define MAX_RESET_HA_RETRIES 2
#define FW_ALIVE_WAIT_TOV 3
+#define IDC_EXTEND_TOV 8
#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
@@ -562,6 +563,7 @@ struct scsi_qla_host {
#define DPC_HA_UNRECOVERABLE 21 /* 0x00080000 ISP-82xx only*/
#define DPC_HA_NEED_QUIESCENT 22 /* 0x00100000 ISP-82xx only*/
#define DPC_POST_IDC_ACK 23 /* 0x00200000 */
+#define DPC_RESTORE_ACB 24 /* 0x01000000 */
struct Scsi_Host *host; /* pointer to host data */
uint32_t tot_ddbs;
@@ -786,6 +788,7 @@ struct scsi_qla_host {
and ISP8042 */
uint32_t pf_bit;
struct qla4_83xx_idc_information idc_info;
+ struct addr_ctrl_blk *saved_acb;
};
struct ql4_task_data {
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 9a46f5971d56..7aa132350249 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -458,6 +458,7 @@ struct qla_flt_region {
#define MBOX_CMD_GET_CONN_EVENT_LOG 0x0077
#define MBOX_CMD_IDC_ACK 0x0101
+#define MBOX_CMD_IDC_TIME_EXTEND 0x0102
#define MBOX_CMD_PORT_RESET 0x0120
#define MBOX_CMD_SET_PORT_CONFIG 0x0122
@@ -502,6 +503,7 @@ struct qla_flt_region {
#define MBOX_ASTS_SYSTEM_WARNING_EVENT 0x8036
#define MBOX_ASTS_IDC_COMPLETE 0x8100
#define MBOX_ASTS_IDC_REQUEST_NOTIFICATION 0x8101
+#define MBOX_ASTS_IDC_TIME_EXTEND_NOTIFICATION 0x8102
#define MBOX_ASTS_DCBX_CONF_CHANGE 0x8110
#define MBOX_ASTS_TXSCVR_INSERTED 0x8130
#define MBOX_ASTS_TXSCVR_REMOVED 0x8131
@@ -512,6 +514,10 @@ struct qla_flt_region {
#define MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR 0x8022
#define MBOX_ASTS_SUBNET_STATE_CHANGE 0x8027
+/* ACB Configuration Defines */
+#define ACB_CONFIG_DISABLE 0x00
+#define ACB_CONFIG_SET 0x01
+
/* ACB State Defines */
#define ACB_STATE_UNCONFIGURED 0x00
#define ACB_STATE_INVALID 0x01
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 4a428009f699..f9963de506d0 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -266,6 +266,12 @@ int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
dma_addr_t dma_addr);
int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
char *password, uint16_t chap_index);
+int qla4xxx_disable_acb(struct scsi_qla_host *ha);
+int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+ uint32_t *mbox_sts, dma_addr_t acb_dma);
+int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
+ uint32_t acb_type, uint32_t len);
+int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config);
extern int ql4xextended_error_logging;
extern int ql4xdontresethba;
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index fbd415db5a52..4fefa3429a5f 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -745,17 +745,23 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
* mbox_sts[3] = new ACB state */
if ((mbox_sts[3] == ACB_STATE_VALID) &&
((mbox_sts[2] == ACB_STATE_TENTATIVE) ||
- (mbox_sts[2] == ACB_STATE_ACQUIRING)))
+ (mbox_sts[2] == ACB_STATE_ACQUIRING))) {
set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);
- else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) &&
- (mbox_sts[2] == ACB_STATE_VALID)) {
+ } else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) &&
+ (mbox_sts[2] == ACB_STATE_VALID)) {
if (is_qla80XX(ha))
set_bit(DPC_RESET_HA_FW_CONTEXT,
&ha->dpc_flags);
else
set_bit(DPC_RESET_HA, &ha->dpc_flags);
- } else if ((mbox_sts[3] == ACB_STATE_UNCONFIGURED))
+ } else if (mbox_sts[3] == ACB_STATE_DISABLING) {
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB in disabling state\n",
+ ha->host_no, __func__);
+ } else if ((mbox_sts[3] == ACB_STATE_UNCONFIGURED)) {
complete(&ha->disable_acb_comp);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB state unconfigured\n",
+ ha->host_no, __func__);
+ }
break;
case MBOX_ASTS_MAC_ADDRESS_CHANGED:
@@ -869,10 +875,15 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
"scsi:%ld: AEN %04x IDC Complete notification\n",
ha->host_no, mbox_sts[0]));
- if (qla4_83xx_loopback_in_progress(ha))
+ if (qla4_83xx_loopback_in_progress(ha)) {
set_bit(AF_LOOPBACK, &ha->flags);
- else
+ } else {
clear_bit(AF_LOOPBACK, &ha->flags);
+ if (ha->saved_acb)
+ set_bit(DPC_RESTORE_ACB,
+ &ha->dpc_flags);
+ }
+ qla4xxx_wake_dpc(ha);
}
break;
@@ -887,6 +898,17 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
ha->host_no, mbox_sts[0]));
break;
+ case MBOX_ASTS_IDC_TIME_EXTEND_NOTIFICATION:
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: AEN %04x, mbox_sts[1]=%08x, mbox_sts[2]=%08x, mbox_sts[3]=%08x, mbox_sts[4]=%08x mbox_sts[5]=%08x\n",
+ ha->host_no, mbox_sts[0], mbox_sts[1],
+ mbox_sts[2], mbox_sts[3], mbox_sts[4],
+ mbox_sts[5]));
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: AEN %04x Received IDC Extend Timeout notification\n",
+ ha->host_no, mbox_sts[0]));
+ break;
+
case MBOX_ASTS_INITIALIZATION_FAILED:
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: AEN %04x, mbox_sts[3]=%08x\n",
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index e39895cf48f0..fa1a06ab254a 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1736,6 +1736,45 @@ int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
return status;
}
+/**
+ * qla4_84xx_extend_idc_tmo - Extend IDC Timeout.
+ * @ha: Pointer to host adapter structure.
+ * @ext_tmo: idc timeout value
+ *
+ * Requests firmware to extend the idc timeout value.
+ **/
+static int qla4_84xx_extend_idc_tmo(struct scsi_qla_host *ha, uint32_t ext_tmo)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ int status;
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+ ext_tmo &= 0xf;
+
+ mbox_cmd[0] = MBOX_CMD_IDC_TIME_EXTEND;
+ mbox_cmd[1] = ((ha->idc_info.request_desc & 0xfffff0ff) |
+ (ext_tmo << 8)); /* new timeout */
+ mbox_cmd[2] = ha->idc_info.info1;
+ mbox_cmd[3] = ha->idc_info.info2;
+ mbox_cmd[4] = ha->idc_info.info3;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
+ mbox_cmd, mbox_sts);
+ if (status != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: failed status %04X\n",
+ ha->host_no, __func__, mbox_sts[0]));
+ return QLA_ERROR;
+ } else {
+ ql4_printk(KERN_INFO, ha, "%s: IDC timeout extended by %d secs\n",
+ __func__, ext_tmo);
+ }
+
+ return QLA_SUCCESS;
+}
+
int qla4xxx_disable_acb(struct scsi_qla_host *ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
@@ -1752,6 +1791,23 @@ int qla4xxx_disable_acb(struct scsi_qla_host *ha)
DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
"failed w/ status %04X %04X %04X", __func__,
mbox_sts[0], mbox_sts[1], mbox_sts[2]));
+ } else {
+ if (is_qla8042(ha) &&
+ (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) {
+ /*
+ * Disable ACB mailbox command takes time to complete
+ * based on the total number of targets connected.
+ * For 512 targets, it took approximately 5 secs to
+ * complete. Setting the timeout value to 8, with the 3
+ * secs buffer.
+ */
+ qla4_84xx_extend_idc_tmo(ha, IDC_EXTEND_TOV);
+ if (!wait_for_completion_timeout(&ha->disable_acb_comp,
+ IDC_EXTEND_TOV * HZ)) {
+ ql4_printk(KERN_WARNING, ha, "%s: Disable ACB Completion not received\n",
+ __func__);
+ }
+ }
}
return status;
}
@@ -2158,8 +2214,80 @@ int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha)
ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
mbox_sts[0]);
else
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n",
- __func__));
+ ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n", __func__);
return status;
}
+
+int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config)
+{
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ struct addr_ctrl_blk *acb = NULL;
+ uint32_t acb_len = sizeof(struct addr_ctrl_blk);
+ int rval = QLA_SUCCESS;
+ dma_addr_t acb_dma;
+
+ acb = dma_alloc_coherent(&ha->pdev->dev,
+ sizeof(struct addr_ctrl_blk),
+ &acb_dma, GFP_KERNEL);
+ if (!acb) {
+ ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", __func__);
+ rval = QLA_ERROR;
+ goto exit_config_acb;
+ }
+ memset(acb, 0, acb_len);
+
+ switch (acb_config) {
+ case ACB_CONFIG_DISABLE:
+ rval = qla4xxx_get_acb(ha, acb_dma, 0, acb_len);
+ if (rval != QLA_SUCCESS)
+ goto exit_free_acb;
+
+ rval = qla4xxx_disable_acb(ha);
+ if (rval != QLA_SUCCESS)
+ goto exit_free_acb;
+
+ if (!ha->saved_acb)
+ ha->saved_acb = kzalloc(acb_len, GFP_KERNEL);
+
+ if (!ha->saved_acb) {
+ ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
+ __func__);
+ rval = QLA_ERROR;
+ goto exit_config_acb;
+ }
+ memcpy(ha->saved_acb, acb, acb_len);
+ break;
+ case ACB_CONFIG_SET:
+
+ if (!ha->saved_acb) {
+ ql4_printk(KERN_ERR, ha, "%s: Can't set ACB, Saved ACB not available\n",
+ __func__);
+ rval = QLA_ERROR;
+ goto exit_free_acb;
+ }
+
+ memcpy(acb, ha->saved_acb, acb_len);
+ kfree(ha->saved_acb);
+ ha->saved_acb = NULL;
+
+ rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
+ if (rval != QLA_SUCCESS)
+ goto exit_free_acb;
+
+ break;
+ default:
+ ql4_printk(KERN_ERR, ha, "%s: Invalid ACB Configuration\n",
+ __func__);
+ }
+
+exit_free_acb:
+ dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), acb,
+ acb_dma);
+exit_config_acb:
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s %s\n", __func__,
+ rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
+ return rval;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 4f9651a76997..6956de9d97d3 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -2671,6 +2671,8 @@ static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
!test_bit(AF_ONLINE, &ha->flags) ||
!test_bit(AF_LINK_UP, &ha->flags) ||
test_bit(AF_LOOPBACK, &ha->flags) ||
+ test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
+ test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
goto qc_host_busy;
@@ -3863,8 +3865,35 @@ static void qla4xxx_do_dpc(struct work_struct *work)
qla4_8xxx_device_state_handler(ha);
}
- if (test_and_clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags))
+ if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
+ if (is_qla8042(ha)) {
+ if (ha->idc_info.info2 &
+ ENABLE_INTERNAL_LOOPBACK) {
+ ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
+ __func__);
+ status = qla4_84xx_config_acb(ha,
+ ACB_CONFIG_DISABLE);
+ if (status != QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
+ __func__);
+ }
+ }
+ }
qla4_83xx_post_idc_ack(ha);
+ clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
+ }
+
+ if (is_qla8042(ha) &&
+ test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
+ ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
+ __func__);
+ if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
+ QLA_SUCCESS) {
+ ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
+ __func__);
+ }
+ clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
+ }
if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
qla4_8xxx_need_qsnt_handler(ha);