]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/scsi/qla2xxx/qla_init.c
Merge branch '8139-thread'
[linux-2.6-omap-h63xx.git] / drivers / scsi / qla2xxx / qla_init.c
index 3e9b64137873574acd5144a35097ade5eaa84808..2d720121a0d36fea181edc21dbc701349dab6731 100644 (file)
@@ -1,20 +1,8 @@
 /*
- *                  QLOGIC LINUX SOFTWARE
- *
- * QLogic ISP2x00 device driver for Linux 2.6.x
- * Copyright (C) 2003-2005 QLogic Corporation
- * (www.qlogic.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c)  2003-2005 QLogic Corporation
  *
+ * See LICENSE.qla2xxx for copyright and licensing details.
  */
 #include "qla_def.h"
 
@@ -159,8 +147,8 @@ check_fw_ready_again:
                                         * LIP to complete
                                         */
 
-                                       if (atomic_read(&ha->loop_state) ==
-                                           LOOP_DOWN && retry--) {
+                                       if (atomic_read(&ha->loop_state) !=
+                                           LOOP_READY && retry--) {
                                                goto check_fw_ready_again;
                                        }
                                        wait_time--;
@@ -201,6 +189,7 @@ int
 qla2100_pci_config(scsi_qla_host_t *ha)
 {
        uint16_t w, mwi;
+       uint32_t d;
        unsigned long flags;
        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
@@ -215,9 +204,9 @@ qla2100_pci_config(scsi_qla_host_t *ha)
        pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 
        /* Reset expansion ROM address decode enable */
-       pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
-       w &= ~PCI_ROM_ADDRESS_ENABLE;
-       pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
+       pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
+       d &= ~PCI_ROM_ADDRESS_ENABLE;
+       pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 
        /* Get PCI bus information. */
        spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -237,6 +226,7 @@ int
 qla2300_pci_config(scsi_qla_host_t *ha)
 {
        uint16_t        w, mwi;
+       uint32_t        d;
        unsigned long   flags = 0;
        uint32_t        cnt;
        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
@@ -302,9 +292,9 @@ qla2300_pci_config(scsi_qla_host_t *ha)
        pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 
        /* Reset expansion ROM address decode enable */
-       pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
-       w &= ~PCI_ROM_ADDRESS_ENABLE;
-       pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
+       pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
+       d &= ~PCI_ROM_ADDRESS_ENABLE;
+       pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 
        /* Get PCI bus information. */
        spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -324,6 +314,7 @@ int
 qla24xx_pci_config(scsi_qla_host_t *ha)
 {
        uint16_t w, mwi;
+       uint32_t d;
        unsigned long flags = 0;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
        int pcix_cmd_reg, pcie_dctl_reg;
@@ -366,9 +357,9 @@ qla24xx_pci_config(scsi_qla_host_t *ha)
        }
 
        /* Reset expansion ROM address decode enable */
-       pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
-       w &= ~PCI_ROM_ADDRESS_ENABLE;
-       pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
+       pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
+       d &= ~PCI_ROM_ADDRESS_ENABLE;
+       pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 
        /* Get PCI bus information. */
        spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -576,6 +567,7 @@ qla24xx_reset_risc(scsi_qla_host_t *ha)
        unsigned long flags = 0;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
        uint32_t cnt, d2;
+       uint16_t wd;
 
        spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -590,10 +582,10 @@ qla24xx_reset_risc(scsi_qla_host_t *ha)
 
        WRT_REG_DWORD(&reg->ctrl_status,
            CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
-       RD_REG_DWORD(&reg->ctrl_status);
+       pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
 
+       udelay(100);
        /* Wait for firmware to complete NVRAM accesses. */
-       udelay(5);
        d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
        for (cnt = 10000 ; cnt && d2; cnt--) {
                udelay(5);
@@ -601,7 +593,7 @@ qla24xx_reset_risc(scsi_qla_host_t *ha)
                barrier();
        }
 
-       udelay(20);
+       /* Wait for soft-reset to complete. */
        d2 = RD_REG_DWORD(&reg->ctrl_status);
        for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
                udelay(5);
@@ -1267,9 +1259,15 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
        rval = qla2x00_get_adapter_id(ha,
            &loop_id, &al_pa, &area, &domain, &topo);
        if (rval != QLA_SUCCESS) {
-               qla_printk(KERN_WARNING, ha,
-                   "ERROR -- Unable to get host loop ID.\n");
-               set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+               if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) ||
+                   (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
+                       DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
+                           __func__, ha->host_no));
+               } else {
+                       qla_printk(KERN_WARNING, ha,
+                           "ERROR -- Unable to get host loop ID.\n");
+                       set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+               }
                return (rval);
        }
 
@@ -1369,7 +1367,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
        nvram_t         *nv = (nvram_t *)ha->request_ring;
        uint8_t         *ptr = (uint8_t *)ha->request_ring;
        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
-       uint8_t         timer_mode;
 
        rval = QLA_SUCCESS;
 
@@ -1647,22 +1644,26 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 
                ha->flags.process_response_queue = 1;
        } else {
-               /* Enable ZIO -- Support mode 5 only. */
-               timer_mode = icb->add_firmware_options[0] &
-                   (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+               /* Enable ZIO. */
+               if (!ha->flags.init_done) {
+                       ha->zio_mode = icb->add_firmware_options[0] &
+                           (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+                       ha->zio_timer = icb->interrupt_delay_timer ?
+                           icb->interrupt_delay_timer: 2;
+               }
                icb->add_firmware_options[0] &=
                    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
-               if (ql2xenablezio)
-                       timer_mode = BIT_2 | BIT_0;
-               if (timer_mode == (BIT_2 | BIT_0)) {
-                       DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay "
-                           "(%d).\n", ha->host_no, ql2xintrdelaytimer));
+               ha->flags.process_response_queue = 0;
+               if (ha->zio_mode != QLA_ZIO_DISABLED) {
+                       DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
+                           "delay (%d us).\n", ha->host_no, ha->zio_mode,
+                           ha->zio_timer * 100));
                        qla_printk(KERN_INFO, ha,
-                           "ZIO enabled; timer delay (%d).\n",
-                           ql2xintrdelaytimer);
+                           "ZIO mode %d enabled; timer delay (%d us).\n",
+                           ha->zio_mode, ha->zio_timer * 100);
 
-                       icb->add_firmware_options[0] |= timer_mode;
-                       icb->interrupt_delay_timer = ql2xintrdelaytimer;
+                       icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
+                       icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
                        ha->flags.process_response_queue = 1;
                }
        }
@@ -1674,6 +1675,24 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
        return (rval);
 }
 
+static void
+qla2x00_rport_add(void *data)
+{
+       fc_port_t *fcport = data;
+
+       qla2x00_reg_remote_port(fcport->ha, fcport);
+}
+
+static void
+qla2x00_rport_del(void *data)
+{
+       fc_port_t *fcport = data;
+
+       if (fcport->rport)
+               fc_remote_port_delete(fcport->rport);
+       fcport->rport = NULL;
+}
+
 /**
  * qla2x00_alloc_fcport() - Allocate a generic fcport.
  * @ha: HA context
@@ -1682,7 +1701,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
  * Returns a pointer to the allocated fcport, or NULL, if none available.
  */
 fc_port_t *
-qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
+qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
 {
        fc_port_t *fcport;
 
@@ -1699,6 +1718,8 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
        atomic_set(&fcport->state, FCS_UNCONFIGURED);
        fcport->flags = FCF_RLC_SUPPORT;
        fcport->supported_classes = FC_COS_UNSPECIFIED;
+       INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
+       INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
 
        return (fcport);
 }
@@ -1775,7 +1796,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
        }
 
        if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
-               if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
+               if (LOOP_NOT_READY(ha)) {
                        rval = QLA_FUNCTION_FAILED;
                } else {
                        rval = qla2x00_configure_fabric(ha);
@@ -1963,8 +1984,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
        }
 
 cleanup_allocation:
-       if (new_fcport)
-               kfree(new_fcport);
+       kfree(new_fcport);
 
        if (rval != QLA_SUCCESS) {
                DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
@@ -2062,8 +2082,8 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
        struct fc_rport *rport;
 
        if (fcport->rport) {
-               fc_remote_port_unblock(fcport->rport);
-               return;
+               fc_remote_port_delete(fcport->rport);
+               fcport->rport = NULL;
        }
 
        rport_ids.node_name = wwn_to_u64(fcport->node_name);
@@ -2077,7 +2097,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
                    "Unable to allocate fc remote port!\n");
                return;
        }
-       rport->dd_data = fcport;
+       *((fc_port_t **)rport->dd_data) = fcport;
        rport->supported_classes = fcport->supported_classes;
 
        rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
@@ -2334,8 +2354,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
        /* Allocate temporary fcport for any new fcports discovered. */
        new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
        if (new_fcport == NULL) {
-               if (swl)
-                       kfree(swl);
+               kfree(swl);
                return (QLA_MEMORY_ALLOC_FAILED);
        }
        new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
@@ -2350,8 +2369,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
                if (qla2x00_is_reserved_id(ha, loop_id))
                        continue;
 
-               if (atomic_read(&ha->loop_down_timer) ||
-                   test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
+               if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha))
                        break;
 
                if (swl != NULL) {
@@ -2471,19 +2489,15 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
                nxt_d_id.b24 = new_fcport->d_id.b24;
                new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
                if (new_fcport == NULL) {
-                       if (swl)
-                               kfree(swl);
+                       kfree(swl);
                        return (QLA_MEMORY_ALLOC_FAILED);
                }
                new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
                new_fcport->d_id.b24 = nxt_d_id.b24;
        }
 
-       if (swl)
-               kfree(swl);
-
-       if (new_fcport)
-               kfree(new_fcport);
+       kfree(swl);
+       kfree(new_fcport);
 
        if (!list_empty(new_fcports))
                ha->device_flags |= DFLG_FABRIC_DEVICES;
@@ -2855,7 +2869,7 @@ qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
                            fcport->d_id.b.domain, fcport->d_id.b.area,
                            fcport->d_id.b.al_pa);
                        fcport->loop_id = FC_NO_LOOP_ID;
-                       atomic_set(&fcport->state, FCS_DEVICE_DEAD);
+                       fcport->login_retry = 0;
 
                        rval = 3;
                        break;
@@ -3439,6 +3453,30 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
        if (ql2xloginretrycount)
                ha->login_retry_count = ql2xloginretrycount;
 
+       /* Enable ZIO. */
+       if (!ha->flags.init_done) {
+               ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
+                   (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+               ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
+                   le16_to_cpu(icb->interrupt_delay_timer): 2;
+       }
+       icb->firmware_options_2 &= __constant_cpu_to_le32(
+           ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
+       ha->flags.process_response_queue = 0;
+       if (ha->zio_mode != QLA_ZIO_DISABLED) {
+               DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
+                   "(%d us).\n", ha->host_no, ha->zio_mode,
+                   ha->zio_timer * 100));
+               qla_printk(KERN_INFO, ha,
+                   "ZIO mode %d enabled; timer delay (%d us).\n",
+                   ha->zio_mode, ha->zio_timer * 100);
+
+               icb->firmware_options_2 |= cpu_to_le32(
+                   (uint32_t)ha->zio_mode);
+               icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
+               ha->flags.process_response_queue = 1;
+       }
+
        if (rval) {
                DEBUG2_3(printk(KERN_WARNING
                    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));