]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/scsi/lpfc/lpfc_init.c
[SCSI] lpfc 8.1.2: Add ERROR and WARM_START modes for diagnostic purposes.
[linux-2.6-omap-h63xx.git] / drivers / scsi / lpfc / lpfc_init.c
index c90723860a049e15232452b60921909645c81bde..391ca50293f2a5a6dca187291d86e867ea8e418c 100644 (file)
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2005 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -126,34 +126,26 @@ lpfc_config_port_prep(struct lpfc_hba * phba)
                return -ERESTART;
        }
 
-       /* The HBA's current state is provided by the ProgType and rr fields.
-        * Read and check the value of these fields before continuing to config
-        * this port.
+       /*
+        * The value of rr must be 1 since the driver set the cv field to 1.
+        * This setting requires the FW to set all revision fields.
         */
-       if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
-               /* Old firmware */
+       if (mb->un.varRdRev.rr == 0) {
                vp->rev.rBit = 0;
-               lpfc_printf_log(phba,
-                               KERN_ERR,
-                               LOG_INIT,
-                               "%d:0440 Adapter failed to init, mbxCmd x%x "
-                               "READ_REV detected outdated firmware"
-                               "Data: x%x\n",
-                               phba->brd_no,
-                               mb->mbxCommand, 0);
+               lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                               "%d:0440 Adapter failed to init, READ_REV has "
+                               "missing revision information.\n",
+                               phba->brd_no);
                mempool_free(pmb, phba->mbox_mem_pool);
                return -ERESTART;
-       } else {
-               vp->rev.rBit = 1;
-               vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
-               memcpy(vp->rev.sli1FwName,
-                       (char*)mb->un.varRdRev.sli1FwName, 16);
-               vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
-               memcpy(vp->rev.sli2FwName,
-                                       (char *)mb->un.varRdRev.sli2FwName, 16);
        }
 
        /* Save information as VPD data */
+       vp->rev.rBit = 1;
+       vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
+       memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16);
+       vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
+       memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16);
        vp->rev.biuRev = mb->un.varRdRev.biuRev;
        vp->rev.smRev = mb->un.varRdRev.smRev;
        vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
@@ -378,6 +370,10 @@ lpfc_config_port_post(struct lpfc_hba * phba)
        if (psli->num_rings > 3)
                status |= HC_R3INT_ENA;
 
+       if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
+           (phba->cfg_poll & DISABLE_FCP_RING_INT))
+               status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+
        writel(status, phba->HCregaddr);
        readl(phba->HCregaddr); /* flush */
        spin_unlock_irq(phba->host->host_lock);
@@ -463,9 +459,45 @@ lpfc_hba_down_prep(struct lpfc_hba * phba)
        lpfc_els_flush_cmd(phba);
        lpfc_disc_flush_list(phba);
 
+       /* Disable SLI2 since we disabled interrupts */
+       phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
        return (0);
 }
 
+/************************************************************************/
+/*                                                                      */
+/*    lpfc_hba_down_post                                                */
+/*    This routine will do uninitialization after the HBA is reset      */
+/*    when bringing down the SLI Layer.                                 */
+/*    This routine returns 0 on success. Any other return value         */
+/*    indicates an error.                                               */
+/*                                                                      */
+/************************************************************************/
+int
+lpfc_hba_down_post(struct lpfc_hba * phba)
+{
+       struct lpfc_sli *psli = &phba->sli;
+       struct lpfc_sli_ring *pring;
+       struct lpfc_dmabuf *mp, *next_mp;
+       int i;
+
+       /* Cleanup preposted buffers on the ELS ring */
+       pring = &psli->ring[LPFC_ELS_RING];
+       list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
+               list_del(&mp->list);
+               pring->postbufq_cnt--;
+               lpfc_mbuf_free(phba, mp->virt, mp->phys);
+               kfree(mp);
+       }
+
+       for (i = 0; i < psli->num_rings; i++) {
+               pring = &psli->ring[i];
+               lpfc_sli_abort_iocb_ring(phba, pring);
+       }
+
+       return 0;
+}
+
 /************************************************************************/
 /*                                                                      */
 /*    lpfc_handle_eratt                                                 */
@@ -480,20 +512,6 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
        struct lpfc_sli *psli = &phba->sli;
        struct lpfc_sli_ring  *pring;
 
-       /*
-        * If a reset is sent to the HBA restore PCI configuration registers.
-        */
-       if ( phba->hba_state == LPFC_INIT_START ) {
-               mdelay(1);
-               readl(phba->HCregaddr); /* flush */
-               writel(0, phba->HCregaddr);
-               readl(phba->HCregaddr); /* flush */
-
-               /* Restore PCI cmd register */
-               pci_write_config_word(phba->pcidev,
-                                     PCI_COMMAND, phba->pci_cfg_value);
-       }
-
        if (phba->work_hs & HS_FFER6) {
                /* Re-establishing Link */
                lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -520,6 +538,7 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
                 * attempt to restart it.
                 */
                lpfc_offline(phba);
+               lpfc_sli_brdrestart(phba);
                if (lpfc_online(phba) == 0) {   /* Initialize the HBA */
                        mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
                        return;
@@ -536,7 +555,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
                                phba->work_status[0], phba->work_status[1]);
 
                lpfc_offline(phba);
-
+               phba->hba_state = LPFC_HBA_ERROR;
+               lpfc_hba_down_post(phba);
        }
 }
 
@@ -571,6 +591,8 @@ lpfc_handle_latt(struct lpfc_hba * phba)
 
        rc = -EIO;
 
+       /* Cleanup any outstanding ELS commands */
+       lpfc_els_flush_cmd(phba);
 
        psli->slistat.link_event++;
        lpfc_read_la(phba, pmb, mp);
@@ -765,96 +787,139 @@ static void
 lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 {
        lpfc_vpd_t *vp;
-       uint32_t id;
-       uint8_t hdrtype;
-       char str[16];
+       uint16_t dev_id = phba->pcidev->device;
+       uint16_t dev_subid = phba->pcidev->subsystem_device;
+       uint8_t hdrtype = phba->pcidev->hdr_type;
+       char *model_str = "";
 
        vp = &phba->vpd;
-       pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id);
-       pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
 
-       switch ((id >> 16) & 0xffff) {
+       switch (dev_id) {
        case PCI_DEVICE_ID_FIREFLY:
-               strcpy(str, "LP6000 1");
+               model_str = "LP6000 1Gb PCI";
                break;
        case PCI_DEVICE_ID_SUPERFLY:
                if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3)
-                       strcpy(str, "LP7000 1");
+                       model_str = "LP7000 1Gb PCI";
                else
-                       strcpy(str, "LP7000E 1");
+                       model_str = "LP7000E 1Gb PCI";
                break;
        case PCI_DEVICE_ID_DRAGONFLY:
-               strcpy(str, "LP8000 1");
+               model_str = "LP8000 1Gb PCI";
                break;
        case PCI_DEVICE_ID_CENTAUR:
                if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID)
-                       strcpy(str, "LP9002 2");
+                       model_str = "LP9002 2Gb PCI";
                else
-                       strcpy(str, "LP9000 1");
+                       model_str = "LP9000 1Gb PCI";
                break;
        case PCI_DEVICE_ID_RFLY:
-               strcpy(str, "LP952 2");
+               model_str = "LP952 2Gb PCI";
                break;
        case PCI_DEVICE_ID_PEGASUS:
-               strcpy(str, "LP9802 2");
+               model_str = "LP9802 2Gb PCI-X";
                break;
        case PCI_DEVICE_ID_THOR:
                if (hdrtype == 0x80)
-                       strcpy(str, "LP10000DC 2");
+                       model_str = "LP10000DC 2Gb 2-port PCI-X";
                else
-                       strcpy(str, "LP10000 2");
+                       model_str = "LP10000 2Gb PCI-X";
                break;
        case PCI_DEVICE_ID_VIPER:
-               strcpy(str, "LPX1000 10");
+               model_str = "LPX1000 10Gb PCI-X";
                break;
        case PCI_DEVICE_ID_PFLY:
-               strcpy(str, "LP982 2");
+               model_str = "LP982 2Gb PCI-X";
                break;
        case PCI_DEVICE_ID_TFLY:
                if (hdrtype == 0x80)
-                       strcpy(str, "LP1050DC 2");
+                       model_str = "LP1050DC 2Gb 2-port PCI-X";
                else
-                       strcpy(str, "LP1050 2");
+                       model_str = "LP1050 2Gb PCI-X";
                break;
        case PCI_DEVICE_ID_HELIOS:
                if (hdrtype == 0x80)
-                       strcpy(str, "LP11002 4");
+                       model_str = "LP11002 4Gb 2-port PCI-X2";
+               else
+                       model_str = "LP11000 4Gb PCI-X2";
+               break;
+       case PCI_DEVICE_ID_HELIOS_SCSP:
+               model_str = "LP11000-SP 4Gb PCI-X2";
+               break;
+       case PCI_DEVICE_ID_HELIOS_DCSP:
+               model_str = "LP11002-SP 4Gb 2-port PCI-X2";
+               break;
+       case PCI_DEVICE_ID_NEPTUNE:
+               if (hdrtype == 0x80)
+                       model_str = "LPe1002 4Gb 2-port";
                else
-                       strcpy(str, "LP11000 4");
+                       model_str = "LPe1000 4Gb PCIe";
+               break;
+       case PCI_DEVICE_ID_NEPTUNE_SCSP:
+               model_str = "LPe1000-SP 4Gb PCIe";
+               break;
+       case PCI_DEVICE_ID_NEPTUNE_DCSP:
+               model_str = "LPe1002-SP 4Gb 2-port PCIe";
                break;
        case PCI_DEVICE_ID_BMID:
-               strcpy(str, "LP1150 4");
+               model_str = "LP1150 4Gb PCI-X2";
                break;
        case PCI_DEVICE_ID_BSMB:
-               strcpy(str, "LP111 4");
+               model_str = "LP111 4Gb PCI-X2";
                break;
        case PCI_DEVICE_ID_ZEPHYR:
                if (hdrtype == 0x80)
-                       strcpy(str, "LPe11002 4");
+                       model_str = "LPe11002 4Gb 2-port PCIe";
                else
-                       strcpy(str, "LPe11000 4");
+                       model_str = "LPe11000 4Gb PCIe";
+               break;
+       case PCI_DEVICE_ID_ZEPHYR_SCSP:
+               model_str = "LPe11000-SP 4Gb PCIe";
+               break;
+       case PCI_DEVICE_ID_ZEPHYR_DCSP:
+               model_str = "LPe11002-SP 4Gb 2-port PCIe";
                break;
        case PCI_DEVICE_ID_ZMID:
-               strcpy(str, "LPe1150 4");
+               model_str = "LPe1150 4Gb PCIe";
                break;
        case PCI_DEVICE_ID_ZSMB:
-               strcpy(str, "LPe111 4");
+               model_str = "LPe111 4Gb PCIe";
                break;
        case PCI_DEVICE_ID_LP101:
-               strcpy(str, "LP101 2");
+               model_str = "LP101 2Gb PCI-X";
                break;
        case PCI_DEVICE_ID_LP10000S:
-               strcpy(str, "LP10000-S 2");
+               model_str = "LP10000-S 2Gb PCI";
+               break;
+       case PCI_DEVICE_ID_LP11000S:
+       case PCI_DEVICE_ID_LPE11000S:
+               switch (dev_subid) {
+               case PCI_SUBSYSTEM_ID_LP11000S:
+                       model_str = "LP11002-S 4Gb PCI-X2";
+                       break;
+               case PCI_SUBSYSTEM_ID_LP11002S:
+                       model_str = "LP11000-S 4Gb 2-port PCI-X2";
+                       break;
+               case PCI_SUBSYSTEM_ID_LPE11000S:
+                       model_str = "LPe11002-S 4Gb PCIe";
+                       break;
+               case PCI_SUBSYSTEM_ID_LPE11002S:
+                       model_str = "LPe11002-S 4Gb 2-port PCIe";
+                       break;
+               case PCI_SUBSYSTEM_ID_LPE11010S:
+                       model_str = "LPe11010-S 4Gb 10-port PCIe";
+                       break;
+               default:
+                       break;
+               }
                break;
        default:
-               memset(str, 0, 16);
                break;
        }
        if (mdp)
-               sscanf(str, "%s", mdp);
+               sscanf(model_str, "%s", mdp);
        if (descp)
-               sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre "
-                       "Channel Adapter", str);
+               sprintf(descp, "Emulex %s Fibre Channel Adapter", model_str);
 }
 
 /**************************************************/
@@ -1196,6 +1261,7 @@ lpfc_stop_timer(struct lpfc_hba * phba)
                }
        }
 
+       del_timer_sync(&phba->fcp_poll_timer);
        del_timer_sync(&phba->fc_estabtmo);
        del_timer_sync(&phba->fc_disctmo);
        del_timer_sync(&phba->fc_fdmitmo);
@@ -1351,7 +1417,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
                goto out_put_host;
 
        host->unique_id = phba->brd_no;
-
+       init_MUTEX(&phba->hba_can_block);
        INIT_LIST_HEAD(&phba->ctrspbuflist);
        INIT_LIST_HEAD(&phba->rnidrspbuflist);
        INIT_LIST_HEAD(&phba->freebufList);
@@ -1375,6 +1441,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
        psli->mbox_tmo.function = lpfc_mbox_timeout;
        psli->mbox_tmo.data = (unsigned long)phba;
 
+       init_timer(&phba->fcp_poll_timer);
+       phba->fcp_poll_timer.function = lpfc_poll_timeout;
+       phba->fcp_poll_timer.data = (unsigned long)phba;
+
        /*
         * Get all the module params for configuring this host and then
         * establish the host parameters.
@@ -1416,9 +1486,23 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
        phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2);
        bar2map_len        = pci_resource_len(phba->pcidev, 2);
 
-       /* Map HBA SLIM and Control Registers to a kernel virtual address. */
+       /* Map HBA SLIM to a kernel virtual address. */
        phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
+       if (!phba->slim_memmap_p) {
+               error = -ENODEV;
+               dev_printk(KERN_ERR, &pdev->dev,
+                          "ioremap failed for SLIM memory.\n");
+               goto out_idr_remove;
+       }
+
+       /* Map HBA Control Registers to a kernel virtual address. */
        phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len);
+       if (!phba->ctrl_regs_memmap_p) {
+               error = -ENODEV;
+               dev_printk(KERN_ERR, &pdev->dev,
+                          "ioremap failed for HBA control registers.\n");
+               goto out_iounmap_slim;
+       }
 
        /* Allocate memory for SLI-2 structures */
        phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
@@ -1489,10 +1573,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
        host->max_cmd_len = 16;
 
        /* Initialize the list of scsi buffers used by driver for scsi IO. */
+       spin_lock_init(&phba->scsi_buf_list_lock);
        INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list);
 
        host->transportt = lpfc_transport_template;
-       host->hostdata[0] = (unsigned long)phba;
        pci_set_drvdata(pdev, host);
        error = scsi_add_host(host, &pdev->dev);
        if (error)
@@ -1520,6 +1604,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
        if (error)
                goto out_free_irq;
 
+       if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+               spin_lock_irq(phba->host->host_lock);
+               lpfc_poll_start_timer(phba);
+               spin_unlock_irq(phba->host->host_lock);
+       }
+
        /*
         * set fixed host attributes
         * Must done after lpfc_sli_hba_setup()
@@ -1590,6 +1680,7 @@ out_free_slim:
                                                        phba->slim2p_mapping);
 out_iounmap:
        iounmap(phba->ctrl_regs_memmap_p);
+out_iounmap_slim:
        iounmap(phba->slim_memmap_p);
 out_idr_remove:
        idr_remove(&lpfc_hba_index, phba->brd_no);
@@ -1607,7 +1698,7 @@ static void __devexit
 lpfc_pci_remove_one(struct pci_dev *pdev)
 {
        struct Scsi_Host   *host = pci_get_drvdata(pdev);
-       struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata[0];
+       struct lpfc_hba    *phba = (struct lpfc_hba *)host->hostdata;
        unsigned long iflag;
 
        lpfc_free_sysfs_attr(phba);
@@ -1628,6 +1719,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
         * the HBA.
         */
        lpfc_sli_hba_down(phba);
+       lpfc_sli_brdrestart(phba);
 
        /* Release the irq reservation */
        free_irq(phba->pcidev->irq, phba);
@@ -1679,14 +1771,28 @@ static struct pci_device_id lpfc_id_table[] = {
                PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY,
                PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS,
                PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID,
                PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB,
                PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
                PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
+               PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID,
                PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB,
@@ -1697,6 +1803,10 @@ static struct pci_device_id lpfc_id_table[] = {
                PCI_ANY_ID, PCI_ANY_ID, },
        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S,
                PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S,
+               PCI_ANY_ID, PCI_ANY_ID, },
+       {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S,
+               PCI_ANY_ID, PCI_ANY_ID, },
        { 0 }
 };
 
@@ -1704,7 +1814,6 @@ MODULE_DEVICE_TABLE(pci, lpfc_id_table);
 
 static struct pci_driver lpfc_driver = {
        .name           = LPFC_DRIVER_NAME,
-       .owner          = THIS_MODULE,
        .id_table       = lpfc_id_table,
        .probe          = lpfc_pci_probe_one,
        .remove         = __devexit_p(lpfc_pci_remove_one),