diff options
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_def.h | 3 | ||||
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_fw.h | 6 | ||||
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_glbl.h | 6 | ||||
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_isr.c | 34 | ||||
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_mbx.c | 132 | ||||
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 31 |
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); |