[SCSI] qla2xxx: Fail initialization when inconsistent NVRAM detected.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 14 insertions, 111 deletions

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ee4b79eb59ce..b247bc22704e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -88,7 +88,12 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 
         qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 
-        ha->isp_ops.nvram_config(ha);
+        rval = ha->isp_ops.nvram_config(ha);
+        if (rval) {
+                DEBUG2(printk("scsi(%ld): Unable to verify NVRAM data.\n",
+                    ha->host_no));
+                return rval;
+        }
 
         if (ha->flags.disable_serdes) {
                 /* Mask HBA via NVRAM settings? */
@@ -1404,7 +1409,6 @@ qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *de
 int
 qla2x00_nvram_config(scsi_qla_host_t *ha)
 {
-        int             rval;
         uint8_t         chksum = 0;
         uint16_t        cnt;
         uint8_t         *dptr1, *dptr2;
@@ -1413,8 +1417,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
         uint8_t         *ptr = (uint8_t *)ha->request_ring;
         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
-        rval = QLA_SUCCESS;
-
         /* Determine NVRAM starting address. */
         ha->nvram_size = sizeof(nvram_t);
         ha->nvram_base = 0;
@@ -1438,55 +1440,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
                     nv->nvram_version);
-                qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
-                    "invalid -- WWPN) defaults.\n");
-
-                /*
-                 * Set default initialization control block.
-                 */
-                memset(nv, 0, ha->nvram_size);
-                nv->parameter_block_version = ICB_VERSION;
-
-                if (IS_QLA23XX(ha)) {
-                        nv->firmware_options[0] = BIT_2 | BIT_1;
-                        nv->firmware_options[1] = BIT_7 | BIT_5;
-                        nv->add_firmware_options[0] = BIT_5;
-                        nv->add_firmware_options[1] = BIT_5 | BIT_4;
-                        nv->frame_payload_size = __constant_cpu_to_le16(2048);
-                        nv->special_options[1] = BIT_7;
-                } else if (IS_QLA2200(ha)) {
-                        nv->firmware_options[0] = BIT_2 | BIT_1;
-                        nv->firmware_options[1] = BIT_7 | BIT_5;
-                        nv->add_firmware_options[0] = BIT_5;
-                        nv->add_firmware_options[1] = BIT_5 | BIT_4;
-                        nv->frame_payload_size = __constant_cpu_to_le16(1024);
-                } else if (IS_QLA2100(ha)) {
-                        nv->firmware_options[0] = BIT_3 | BIT_1;
-                        nv->firmware_options[1] = BIT_5;
-                        nv->frame_payload_size = __constant_cpu_to_le16(1024);
-                }
-
-                nv->max_iocb_allocation = __constant_cpu_to_le16(256);
-                nv->execution_throttle = __constant_cpu_to_le16(16);
-                nv->retry_count = 8;
-                nv->retry_delay = 1;
-
-                nv->port_name[0] = 33;
-                nv->port_name[3] = 224;
-                nv->port_name[4] = 139;
-
-                nv->login_timeout = 4;
-
-                /*
-                 * Set default host adapter parameters
-                 */
-                nv->host_p[1] = BIT_2;
-                nv->reset_delay = 5;
-                nv->port_down_retry_count = 8;
-                nv->max_luns_per_target = __constant_cpu_to_le16(8);
-                nv->link_down_timeout = 60;
-
-                rval = 1;
+                return QLA_FUNCTION_FAILED;
         }
 
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
@@ -1699,11 +1653,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
                 }
         }
 
-        if (rval) {
-                DEBUG2_3(printk(KERN_WARNING
-                    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
-        }
-        return (rval);
+        return QLA_SUCCESS;
 }
 
 static void
@@ -3121,7 +3071,9 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
 
                 ha->isp_ops.get_flash_version(ha, ha->request_ring);
 
-                ha->isp_ops.nvram_config(ha);
+                rval = ha->isp_ops.nvram_config(ha);
+                if (rval)
+                        goto isp_abort_retry;
 
                 if (!qla2x00_restart_isp(ha)) {
                         clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
@@ -3151,6 +3103,7 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
                                 }
                         }
                 } else {        /* failed the ISP abort */
+isp_abort_retry:
                         ha->flags.online = 1;
                         if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
                                 if (ha->isp_abort_cnt == 0) {
@@ -3340,7 +3293,6 @@ qla24xx_reset_adapter(scsi_qla_host_t *ha)
 int
 qla24xx_nvram_config(scsi_qla_host_t *ha)
 {
-        int   rval;
         struct init_cb_24xx *icb;
         struct nvram_24xx *nv;
         uint32_t *dptr;
@@ -3348,7 +3300,6 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
         uint32_t chksum;
         uint16_t cnt;
 
-        rval = QLA_SUCCESS;
         icb = (struct init_cb_24xx *)ha->init_cb;
         nv = (struct nvram_24xx *)ha->request_ring;
 
@@ -3381,51 +3332,7 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
                 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
                     "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
                     le16_to_cpu(nv->nvram_version));
-                qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
-                    "invalid -- WWPN) defaults.\n");
-
-                /*
-                 * Set default initialization control block.
-                 */
-                memset(nv, 0, ha->nvram_size);
-                nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
-                nv->version = __constant_cpu_to_le16(ICB_VERSION);
-                nv->frame_payload_size = __constant_cpu_to_le16(2048);
-                nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
-                nv->exchange_count = __constant_cpu_to_le16(0);
-                nv->hard_address = __constant_cpu_to_le16(124);
-                nv->port_name[0] = 0x21;
-                nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
-                nv->port_name[2] = 0x00;
-                nv->port_name[3] = 0xe0;
-                nv->port_name[4] = 0x8b;
-                nv->port_name[5] = 0x1c;
-                nv->port_name[6] = 0x55;
-                nv->port_name[7] = 0x86;
-                nv->node_name[0] = 0x20;
-                nv->node_name[1] = 0x00;
-                nv->node_name[2] = 0x00;
-                nv->node_name[3] = 0xe0;
-                nv->node_name[4] = 0x8b;
-                nv->node_name[5] = 0x1c;
-                nv->node_name[6] = 0x55;
-                nv->node_name[7] = 0x86;
-                nv->login_retry_count = __constant_cpu_to_le16(8);
-                nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
-                nv->login_timeout = __constant_cpu_to_le16(0);
-                nv->firmware_options_1 =
-                    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
-                nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
-                nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
-                nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
-                nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
-                nv->efi_parameters = __constant_cpu_to_le32(0);
-                nv->reset_delay = 5;
-                nv->max_luns_per_target = __constant_cpu_to_le16(128);
-                nv->port_down_retry_count = __constant_cpu_to_le16(30);
-                nv->link_down_timeout = __constant_cpu_to_le16(30);
-
-                rval = 1;
+                return QLA_FUNCTION_FAILED;
         }
 
         /* Reset Initialization control block */
@@ -3570,11 +3477,7 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
                 ha->flags.process_response_queue = 1;
         }
 
-        if (rval) {
-                DEBUG2_3(printk(KERN_WARNING
-                    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
-        }
-        return (rval);
+        return QLA_SUCCESS;
 }
 
 static int