diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_mbox.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_mbox.c | 339 |
1 files changed, 113 insertions, 226 deletions
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index e6a1e0b38a19..b610cad83321 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * * Linux MegaRAID device driver * * Copyright (c) 2003-2004 LSI Logic Corporation. * - * 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 of the License, or (at your option) any later version. - * * FILE : megaraid_mbox.c * Version : v2.20.5.1 (Nov 16 2006) * @@ -38,7 +34,6 @@ * Dell PERC 4e/DC 1000 0408 1028 0002 * Dell PERC 4e/SC 1000 0408 1028 0001 * - * * LSI MegaRAID SCSI 320-0 1000 1960 1000 A520 * LSI MegaRAID SCSI 320-1 1000 1960 1000 0520 * LSI MegaRAID SCSI 320-2 1000 1960 1000 0518 @@ -126,8 +121,8 @@ static irqreturn_t megaraid_isr(int, void *); static void megaraid_mbox_dpc(unsigned long); -static ssize_t megaraid_sysfs_show_app_hndl(struct device *, struct device_attribute *attr, char *); -static ssize_t megaraid_sysfs_show_ldnum(struct device *, struct device_attribute *attr, char *); +static ssize_t megaraid_mbox_app_hndl_show(struct device *, struct device_attribute *attr, char *); +static ssize_t megaraid_mbox_ld_show(struct device *, struct device_attribute *attr, char *); static int megaraid_cmm_register(adapter_t *); static int megaraid_cmm_unregister(adapter_t *); @@ -186,7 +181,7 @@ MODULE_PARM_DESC(cmd_per_lun, * This would result in non-disk devices being skipped during driver load * time. These can be later added though, using /proc/scsi/scsi */ -static unsigned int megaraid_fast_load = 0; +static unsigned int megaraid_fast_load; module_param_named(fast_load, megaraid_fast_load, int, 0); MODULE_PARM_DESC(fast_load, "Faster loading of the driver, skips physical devices! (default=0)"); @@ -202,16 +197,9 @@ module_param_named(debug_level, mraid_debug_level, int, 0); MODULE_PARM_DESC(debug_level, "Debug level for driver (default=0)"); /* - * ### global data ### - */ -static uint8_t megaraid_mbox_version[8] = - { 0x02, 0x20, 0x04, 0x06, 3, 7, 20, 5 }; - - -/* * PCI table for all supported controllers. */ -static struct pci_device_id pci_id_table_g[] = { +static const struct pci_device_id pci_id_table_g[] = { { PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_PERC4_DI_DISCOVERY, @@ -314,61 +302,40 @@ static struct pci_driver megaraid_pci_driver = { // definitions for the device attributes for exporting logical drive number // for a scsi address (Host, Channel, Id, Lun) -DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl, - NULL); +static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_app_hndl); // Host template initializer for megaraid mbox sysfs device attributes -static struct device_attribute *megaraid_shost_attrs[] = { - &dev_attr_megaraid_mbox_app_hndl, +static struct attribute *megaraid_shost_attrs[] = { + &dev_attr_megaraid_mbox_app_hndl.attr, NULL, }; +ATTRIBUTE_GROUPS(megaraid_shost); -DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL); +static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_ld); // Host template initializer for megaraid mbox sysfs device attributes -static struct device_attribute *megaraid_sdev_attrs[] = { - &dev_attr_megaraid_mbox_ld, +static struct attribute *megaraid_sdev_attrs[] = { + &dev_attr_megaraid_mbox_ld.attr, NULL, }; -/** - * megaraid_change_queue_depth - Change the device's queue depth - * @sdev: scsi device struct - * @qdepth: depth to set - * @reason: calling context - * - * Return value: - * actual depth set - */ -static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth, - int reason) -{ - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; - - if (qdepth > MBOX_MAX_SCSI_CMDS) - qdepth = MBOX_MAX_SCSI_CMDS; - scsi_adjust_queue_depth(sdev, 0, qdepth); - return sdev->queue_depth; -} +ATTRIBUTE_GROUPS(megaraid_sdev); /* * Scsi host template for megaraid unified driver */ -static struct scsi_host_template megaraid_template_g = { +static const struct scsi_host_template megaraid_template_g = { .module = THIS_MODULE, .name = "LSI Logic MegaRAID driver", .proc_name = "megaraid", .queuecommand = megaraid_queue_command, .eh_abort_handler = megaraid_abort_handler, - .eh_device_reset_handler = megaraid_reset_handler, - .eh_bus_reset_handler = megaraid_reset_handler, .eh_host_reset_handler = megaraid_reset_handler, - .change_queue_depth = megaraid_change_queue_depth, - .use_clustering = ENABLE_CLUSTERING, - .sdev_attrs = megaraid_sdev_attrs, - .shost_attrs = megaraid_shost_attrs, + .change_queue_depth = scsi_change_queue_depth, + .no_write_same = 1, + .sdev_groups = megaraid_sdev_groups, + .shost_groups = megaraid_shost_groups, }; @@ -471,7 +438,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) // set up PCI related soft state and other pre-known parameters - adapter->unique_id = pdev->bus->number << 8 | pdev->devfn; + adapter->unique_id = pci_dev_id(pdev); adapter->irq = pdev->irq; adapter->pdev = pdev; @@ -479,10 +446,9 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) // Setup the default DMA mask. This would be changed later on // depending on hardware capabilities - if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(32)) != 0) { - + if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(32))) { con_log(CL_ANN, (KERN_WARNING - "megaraid: pci_set_dma_mask failed:%d\n", __LINE__)); + "megaraid: dma_set_mask failed:%d\n", __LINE__)); goto out_free_adapter; } @@ -506,7 +472,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) // Start the mailbox based controller if (megaraid_init_mbox(adapter) != 0) { con_log(CL_ANN, (KERN_WARNING - "megaraid: maibox adapter did not initialize\n")); + "megaraid: mailbox adapter did not initialize\n")); goto out_free_adapter; } @@ -534,7 +500,6 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) return 0; out_cmm_unreg: - pci_set_drvdata(pdev, NULL); megaraid_cmm_unregister(adapter); out_fini_mbox: megaraid_fini_mbox(adapter); @@ -549,7 +514,7 @@ out_probe_one: /** * megaraid_detach_one - release framework resources and call LLD release routine - * @pdev : handle for our PCI cofiguration space + * @pdev : handle for our PCI configuration space * * This routine is called during driver unload. We free all the allocated * resources and call the corresponding LLD so that it can also release all @@ -594,11 +559,6 @@ megaraid_detach_one(struct pci_dev *pdev) // detach from the IO sub-system megaraid_io_detach(adapter); - // reset the device state in the PCI structure. We check this - // condition when we enter here. If the device state is NULL, - // that would mean the device has already been removed - pci_set_drvdata(pdev, NULL); - // Unregister from common management module // // FIXME: this must return success or failure for conditions if there @@ -661,7 +621,7 @@ megaraid_io_attach(adapter_t *adapter) host = scsi_host_alloc(&megaraid_template_g, 8); if (!host) { con_log(CL_ANN, (KERN_WARNING - "megaraid mbox: scsi_register failed\n")); + "megaraid mbox: scsi_host_alloc failed\n")); return -1; } @@ -773,7 +733,7 @@ megaraid_init_mbox(adapter_t *adapter) goto out_free_raid_dev; } - raid_dev->baseaddr = ioremap_nocache(raid_dev->baseport, 128); + raid_dev->baseaddr = ioremap(raid_dev->baseport, 128); if (!raid_dev->baseaddr) { @@ -906,11 +866,12 @@ megaraid_init_mbox(adapter_t *adapter) adapter->pdev->device == PCI_DEVICE_ID_PERC4_DI_EVERGLADES) || (adapter->pdev->vendor == PCI_VENDOR_ID_DELL && adapter->pdev->device == PCI_DEVICE_ID_PERC4E_DI_KOBUK)) { - if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(64))) { + if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(64))) { con_log(CL_ANN, (KERN_WARNING "megaraid: DMA mask for 64-bit failed\n")); - if (pci_set_dma_mask (adapter->pdev, DMA_BIT_MASK(32))) { + if (dma_set_mask(&adapter->pdev->dev, + DMA_BIT_MASK(32))) { con_log(CL_ANN, (KERN_WARNING "megaraid: 32-bit DMA mask failed\n")); goto out_free_sysfs_res; @@ -978,8 +939,8 @@ megaraid_fini_mbox(adapter_t *adapter) * megaraid_alloc_cmd_packets - allocate shared mailbox * @adapter : soft state of the raid controller * - * Allocate and align the shared mailbox. This maibox is used to issue - * all the commands. For IO based controllers, the mailbox is also regsitered + * Allocate and align the shared mailbox. This mailbox is used to issue + * all the commands. For IO based controllers, the mailbox is also registered * with the FW. Allocate memory for all commands as well. * This is our big allocator. */ @@ -1003,8 +964,10 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) * Allocate the common 16-byte aligned memory for the handshake * mailbox. */ - raid_dev->una_mbox64 = pci_alloc_consistent(adapter->pdev, - sizeof(mbox64_t), &raid_dev->una_mbox64_dma); + raid_dev->una_mbox64 = dma_alloc_coherent(&adapter->pdev->dev, + sizeof(mbox64_t), + &raid_dev->una_mbox64_dma, + GFP_KERNEL); if (!raid_dev->una_mbox64) { con_log(CL_ANN, (KERN_WARNING @@ -1012,7 +975,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) __LINE__)); return -1; } - memset(raid_dev->una_mbox64, 0, sizeof(mbox64_t)); /* * Align the mailbox at 16-byte boundary @@ -1031,8 +993,8 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) align; // Allocate memory for commands issued internally - adapter->ibuf = pci_alloc_consistent(pdev, MBOX_IBUF_SIZE, - &adapter->ibuf_dma_h); + adapter->ibuf = dma_alloc_coherent(&pdev->dev, MBOX_IBUF_SIZE, + &adapter->ibuf_dma_h, GFP_KERNEL); if (!adapter->ibuf) { con_log(CL_ANN, (KERN_WARNING @@ -1041,7 +1003,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) goto out_free_common_mbox; } - memset(adapter->ibuf, 0, MBOX_IBUF_SIZE); // Allocate memory for our SCSI Command Blocks and their associated // memory @@ -1111,7 +1072,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) scb->scp = NULL; scb->state = SCB_FREE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; scb->dma_type = MRAID_DMA_NONE; scb->dev_channel = -1; scb->dev_target = -1; @@ -1127,10 +1088,10 @@ out_teardown_dma_pools: out_free_scb_list: kfree(adapter->kscb_list); out_free_ibuf: - pci_free_consistent(pdev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, + dma_free_coherent(&pdev->dev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, adapter->ibuf_dma_h); out_free_common_mbox: - pci_free_consistent(adapter->pdev, sizeof(mbox64_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t), (caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma); return -1; @@ -1152,10 +1113,10 @@ megaraid_free_cmd_packets(adapter_t *adapter) kfree(adapter->kscb_list); - pci_free_consistent(adapter->pdev, MBOX_IBUF_SIZE, + dma_free_coherent(&adapter->pdev->dev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, adapter->ibuf_dma_h); - pci_free_consistent(adapter->pdev, sizeof(mbox64_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t), (caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma); return; } @@ -1180,8 +1141,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) // Allocate memory for 16-bytes aligned mailboxes - raid_dev->mbox_pool_handle = pci_pool_create("megaraid mbox pool", - adapter->pdev, + raid_dev->mbox_pool_handle = dma_pool_create("megaraid mbox pool", + &adapter->pdev->dev, sizeof(mbox64_t) + 16, 16, 0); @@ -1191,7 +1152,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) mbox_pci_blk = raid_dev->mbox_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - mbox_pci_blk[i].vaddr = pci_pool_alloc( + mbox_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->mbox_pool_handle, GFP_KERNEL, &mbox_pci_blk[i].dma_addr); @@ -1206,10 +1167,10 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) * structure * Since passthru and extended passthru commands are exclusive, they * share common memory pool. Passthru structures piggyback on memory - * allocted to extended passthru since passthru is smaller of the two + * allocated to extended passthru since passthru is smaller of the two */ - raid_dev->epthru_pool_handle = pci_pool_create("megaraid mbox pthru", - adapter->pdev, sizeof(mraid_epassthru_t), 128, 0); + raid_dev->epthru_pool_handle = dma_pool_create("megaraid mbox pthru", + &adapter->pdev->dev, sizeof(mraid_epassthru_t), 128, 0); if (raid_dev->epthru_pool_handle == NULL) { goto fail_setup_dma_pool; @@ -1217,7 +1178,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) epthru_pci_blk = raid_dev->epthru_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - epthru_pci_blk[i].vaddr = pci_pool_alloc( + epthru_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->epthru_pool_handle, GFP_KERNEL, &epthru_pci_blk[i].dma_addr); @@ -1229,8 +1190,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) // Allocate memory for each scatter-gather list. Request for 512 bytes // alignment for each sg list - raid_dev->sg_pool_handle = pci_pool_create("megaraid mbox sg", - adapter->pdev, + raid_dev->sg_pool_handle = dma_pool_create("megaraid mbox sg", + &adapter->pdev->dev, sizeof(mbox_sgl64) * MBOX_MAX_SG_SIZE, 512, 0); @@ -1240,7 +1201,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter) sg_pci_blk = raid_dev->sg_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) { - sg_pci_blk[i].vaddr = pci_pool_alloc( + sg_pci_blk[i].vaddr = dma_pool_alloc( raid_dev->sg_pool_handle, GFP_KERNEL, &sg_pci_blk[i].dma_addr); @@ -1276,29 +1237,26 @@ megaraid_mbox_teardown_dma_pools(adapter_t *adapter) sg_pci_blk = raid_dev->sg_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && sg_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr, + dma_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr, sg_pci_blk[i].dma_addr); } - if (raid_dev->sg_pool_handle) - pci_pool_destroy(raid_dev->sg_pool_handle); + dma_pool_destroy(raid_dev->sg_pool_handle); epthru_pci_blk = raid_dev->epthru_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && epthru_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->epthru_pool_handle, + dma_pool_free(raid_dev->epthru_pool_handle, epthru_pci_blk[i].vaddr, epthru_pci_blk[i].dma_addr); } - if (raid_dev->epthru_pool_handle) - pci_pool_destroy(raid_dev->epthru_pool_handle); + dma_pool_destroy(raid_dev->epthru_pool_handle); mbox_pci_blk = raid_dev->mbox_pool; for (i = 0; i < MBOX_MAX_SCSI_CMDS && mbox_pci_blk[i].vaddr; i++) { - pci_pool_free(raid_dev->mbox_pool_handle, + dma_pool_free(raid_dev->mbox_pool_handle, mbox_pci_blk[i].vaddr, mbox_pci_blk[i].dma_addr); } - if (raid_dev->mbox_pool_handle) - pci_pool_destroy(raid_dev->mbox_pool_handle); + dma_pool_destroy(raid_dev->mbox_pool_handle); return; } @@ -1457,12 +1415,6 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb) adapter->outstanding_cmds++; - if (scb->dma_direction == PCI_DMA_TODEVICE) - pci_dma_sync_sg_for_device(adapter->pdev, - scsi_sglist(scb->scp), - scsi_sg_count(scb->scp), - PCI_DMA_TODEVICE); - mbox->busy = 1; // Set busy mbox->poll = 0; mbox->ack = 0; @@ -1477,21 +1429,19 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb) /** - * megaraid_queue_command - generic queue entry point for all LLDs + * megaraid_queue_command_lck - generic queue entry point for all LLDs * @scp : pointer to the scsi command to be executed - * @done : callback routine to be called after the cmd has be completed * * Queue entry point for mailbox based controllers. */ -static int -megaraid_queue_command_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) +static int megaraid_queue_command_lck(struct scsi_cmnd *scp) { + void (*done)(struct scsi_cmnd *) = scsi_done; adapter_t *adapter; scb_t *scb; int if_busy; adapter = SCP2ADAPTER(scp); - scp->scsi_done = done; scp->result = 0; /* @@ -1624,14 +1574,12 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy) } if (scp->cmnd[1] & MEGA_SCSI_INQ_EVPD) { - scp->sense_buffer[0] = 0x70; - scp->sense_buffer[2] = ILLEGAL_REQUEST; - scp->sense_buffer[12] = MEGA_INVALID_FIELD_IN_CDB; - scp->result = CHECK_CONDITION << 1; + scsi_build_sense(scp, 0, ILLEGAL_REQUEST, + MEGA_INVALID_FIELD_IN_CDB, 0); return NULL; } - /* Fall through */ + fallthrough; case READ_CAPACITY: /* @@ -1777,8 +1725,8 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy) return scb; - case RESERVE: - case RELEASE: + case RESERVE_6: + case RELEASE_6: /* * Do we support clustering and is the support enabled */ @@ -1800,7 +1748,7 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy) scb->dev_channel = 0xFF; scb->dev_target = target; ccb->raw_mbox[0] = CLUSTER_CMD; - ccb->raw_mbox[2] = (scp->cmnd[0] == RESERVE) ? + ccb->raw_mbox[2] = scp->cmnd[0] == RESERVE_6 ? RESERVE_LD : RELEASE_LD; ccb->raw_mbox[3] = target; @@ -2027,7 +1975,7 @@ megaraid_mbox_prepare_pthru(adapter_t *adapter, scb_t *scb, * @scb : scsi control block * @scp : scsi command from the mid-layer * - * Prepare a command for the scsi physical devices. This rountine prepares + * Prepare a command for the scsi physical devices. This routine prepares * commands for devices which can take extended CDBs (>10 bytes). */ static void @@ -2210,31 +2158,6 @@ megaraid_isr(int irq, void *devp) /** - * megaraid_mbox_sync_scb - sync kernel buffers - * @adapter : controller's soft state - * @scb : pointer to the resource packet - * - * DMA sync if required. - */ -static void -megaraid_mbox_sync_scb(adapter_t *adapter, scb_t *scb) -{ - mbox_ccb_t *ccb; - - ccb = (mbox_ccb_t *)scb->ccb; - - if (scb->dma_direction == PCI_DMA_FROMDEVICE) - pci_dma_sync_sg_for_cpu(adapter->pdev, - scsi_sglist(scb->scp), - scsi_sg_count(scb->scp), - PCI_DMA_FROMDEVICE); - - scsi_dma_unmap(scb->scp); - return; -} - - -/** * megaraid_mbox_dpc - the tasklet to complete the commands from completed list * @devp : pointer to HBA soft state * @@ -2376,8 +2299,7 @@ megaraid_mbox_dpc(unsigned long devp) memcpy(scp->sense_buffer, pthru->reqsensearea, 14); - scp->result = DRIVER_SENSE << 24 | - DID_OK << 16 | CHECK_CONDITION << 1; + scp->result = SAM_STAT_CHECK_CONDITION; } else { if (mbox->cmd == MBOXCMD_EXTPTHRU) { @@ -2385,14 +2307,10 @@ megaraid_mbox_dpc(unsigned long devp) memcpy(scp->sense_buffer, epthru->reqsensearea, 14); - scp->result = DRIVER_SENSE << 24 | - DID_OK << 16 | - CHECK_CONDITION << 1; - } else { - scp->sense_buffer[0] = 0x70; - scp->sense_buffer[2] = ABORTED_COMMAND; - scp->result = CHECK_CONDITION << 1; - } + scp->result = SAM_STAT_CHECK_CONDITION; + } else + scsi_build_sense(scp, 0, + ABORTED_COMMAND, 0, 0); } break; @@ -2409,18 +2327,18 @@ megaraid_mbox_dpc(unsigned long devp) */ if (scp->cmnd[0] == TEST_UNIT_READY) { scp->result = DID_ERROR << 16 | - RESERVATION_CONFLICT << 1; + SAM_STAT_RESERVATION_CONFLICT; } else /* * Error code returned is 1 if Reserve or Release * failed or the input parameter is invalid */ - if (status == 1 && (scp->cmnd[0] == RESERVE || - scp->cmnd[0] == RELEASE)) { + if (status == 1 && (scp->cmnd[0] == RESERVE_6 || + scp->cmnd[0] == RELEASE_6)) { scp->result = DID_ERROR << 16 | - RESERVATION_CONFLICT << 1; + SAM_STAT_RESERVATION_CONFLICT; } else { scp->result = DID_BAD_TARGET << 16 | status; @@ -2432,9 +2350,7 @@ megaraid_mbox_dpc(unsigned long devp) megaraid_mbox_display_scb(adapter, scb); } - // Free our internal resources and call the mid-layer callback - // routine - megaraid_mbox_sync_scb(adapter, scb); + scsi_dma_unmap(scp); // remove from local clist list_del_init(&scb->list); @@ -2443,7 +2359,7 @@ megaraid_mbox_dpc(unsigned long devp) megaraid_dealloc_scb(adapter, scb); // send the scsi packet back to kernel - scp->scsi_done(scp); + scsi_done(scp); } return; @@ -2501,7 +2417,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp) scb->sno, scb->dev_channel, scb->dev_target)); scp->result = (DID_ABORT << 16); - scp->scsi_done(scp); + scsi_done(scp); megaraid_dealloc_scb(adapter, scb); @@ -2531,7 +2447,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp) scb->dev_channel, scb->dev_target)); scp->result = (DID_ABORT << 16); - scp->scsi_done(scp); + scsi_done(scp); megaraid_dealloc_scb(adapter, scb); @@ -2586,7 +2502,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp) } /** - * megaraid_reset_handler - device reset hadler for mailbox based driver + * megaraid_reset_handler - device reset handler for mailbox based driver * @scp : reference command * * Reset handler for the mailbox based controller. First try to find out if @@ -2606,7 +2522,6 @@ megaraid_reset_handler(struct scsi_cmnd *scp) uint8_t raw_mbox[sizeof(mbox_t)]; int rval; int recovery_window; - int recovering; int i; uioc_t *kioc; @@ -2620,7 +2535,6 @@ megaraid_reset_handler(struct scsi_cmnd *scp) return FAILED; } - // Under exceptional conditions, FW can take up to 3 minutes to // complete command processing. Wait for additional 2 minutes for the // pending commands counter to go down to 0. If it doesn't, let the @@ -2653,7 +2567,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp) } scb->scp->result = (DID_RESET << 16); - scb->scp->scsi_done(scb->scp); + scsi_done(scb->scp); megaraid_dealloc_scb(adapter, scb); } @@ -2669,8 +2583,6 @@ megaraid_reset_handler(struct scsi_cmnd *scp) recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT; - recovering = adapter->outstanding_cmds; - for (i = 0; i < recovery_window; i++) { megaraid_ack_sequence(adapter); @@ -2754,13 +2666,10 @@ static int mbox_post_sync_cmd(adapter_t *adapter, uint8_t raw_mbox[]) { mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter); - mbox64_t *mbox64; mbox_t *mbox; uint8_t status; int i; - - mbox64 = raid_dev->mbox64; mbox = raid_dev->mbox; /* @@ -2977,9 +2886,8 @@ megaraid_mbox_product_info(adapter_t *adapter) * Issue an ENQUIRY3 command to find out certain adapter parameters, * e.g., max channels, max commands etc. */ - pinfo = pci_alloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t), - &pinfo_dma_h); - + pinfo = dma_alloc_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), + &pinfo_dma_h, GFP_KERNEL); if (pinfo == NULL) { con_log(CL_ANN, (KERN_WARNING "megaraid: out of memory, %s %d\n", __func__, @@ -2987,7 +2895,6 @@ megaraid_mbox_product_info(adapter_t *adapter) return -1; } - memset(pinfo, 0, sizeof(mraid_pinfo_t)); mbox->xferaddr = (uint32_t)adapter->ibuf_dma_h; memset((void *)adapter->ibuf, 0, MBOX_IBUF_SIZE); @@ -3001,7 +2908,7 @@ megaraid_mbox_product_info(adapter_t *adapter) con_log(CL_ANN, (KERN_WARNING "megaraid: Inquiry3 failed\n")); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return -1; @@ -3032,7 +2939,7 @@ megaraid_mbox_product_info(adapter_t *adapter) con_log(CL_ANN, (KERN_WARNING "megaraid: product info failed\n")); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return -1; @@ -3068,7 +2975,7 @@ megaraid_mbox_product_info(adapter_t *adapter) "megaraid: fw version:[%s] bios version:[%s]\n", adapter->fw_version, adapter->bios_version)); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), pinfo, + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return 0; @@ -3165,7 +3072,6 @@ megaraid_mbox_support_ha(adapter_t *adapter, uint16_t *init_id) static int megaraid_mbox_support_random_del(adapter_t *adapter) { - mbox_t *mbox; uint8_t raw_mbox[sizeof(mbox_t)]; int rval; @@ -3187,8 +3093,6 @@ megaraid_mbox_support_random_del(adapter_t *adapter) return 0; } - mbox = (mbox_t *)raw_mbox; - memset((caddr_t)raw_mbox, 0, sizeof(mbox_t)); raw_mbox[0] = FC_DEL_LOGDRV; @@ -3293,12 +3197,8 @@ megaraid_mbox_enum_raid_scsi(adapter_t *adapter) static void megaraid_mbox_flush_cache(adapter_t *adapter) { - mbox_t *mbox; uint8_t raw_mbox[sizeof(mbox_t)]; - - mbox = (mbox_t *)raw_mbox; - memset((caddr_t)raw_mbox, 0, sizeof(mbox_t)); raw_mbox[0] = FLUSH_ADAPTER; @@ -3329,18 +3229,14 @@ megaraid_mbox_fire_sync_cmd(adapter_t *adapter) mbox_t *mbox; uint8_t raw_mbox[sizeof(mbox_t)]; mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter); - mbox64_t *mbox64; int status = 0; int i; uint32_t dword; - mbox = (mbox_t *)raw_mbox; - memset((caddr_t)raw_mbox, 0, sizeof(mbox_t)); raw_mbox[0] = 0xFF; - mbox64 = raid_dev->mbox64; mbox = raid_dev->mbox; /* Wait until mailbox is free */ @@ -3399,7 +3295,6 @@ blocked_mailbox: * megaraid_mbox_display_scb - display SCB information, mostly debug purposes * @adapter : controller's soft state * @scb : SCB to be displayed - * @level : debug level for console print * * Diplay information about the given SCB iff the current debug level is * verbose. @@ -3446,7 +3341,7 @@ megaraid_mbox_display_scb(adapter_t *adapter, scb_t *scb) * megaraid_mbox_setup_device_map - manage device ids * @adapter : Driver's soft state * - * Manange the device ids to have an appropriate mapping between the kernel + * Manage the device ids to have an appropriate mapping between the kernel * scsi addresses and megaraid scsi and logical drive addresses. We export * scsi devices on their actual addresses, whereas the logical drives are * exported on a virtual scsi channel. @@ -3545,7 +3440,7 @@ megaraid_cmm_register(adapter_t *adapter) scb->scp = NULL; scb->state = SCB_FREE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; scb->dma_type = MRAID_DMA_NONE; scb->dev_channel = -1; scb->dev_target = -1; @@ -3683,7 +3578,7 @@ megaraid_mbox_mm_command(adapter_t *adapter, uioc_t *kioc) scb->state = SCB_ACTIVE; scb->dma_type = MRAID_DMA_NONE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; ccb = (mbox_ccb_t *)scb->ccb; mbox64 = (mbox64_t *)(unsigned long)kioc->cmdbuf; @@ -3824,10 +3719,6 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb) static int gather_hbainfo(adapter_t *adapter, mraid_hba_info_t *hinfo) { - uint8_t dmajor; - - dmajor = megaraid_mbox_version[0]; - hinfo->pci_vendor_id = adapter->pdev->vendor; hinfo->pci_device_id = adapter->pdev->device; hinfo->subsys_vendor_id = adapter->pdev->subsystem_vendor; @@ -3873,8 +3764,8 @@ megaraid_sysfs_alloc_resources(adapter_t *adapter) raid_dev->sysfs_mbox64 = kmalloc(sizeof(mbox64_t), GFP_KERNEL); - raid_dev->sysfs_buffer = pci_alloc_consistent(adapter->pdev, - PAGE_SIZE, &raid_dev->sysfs_buffer_dma); + raid_dev->sysfs_buffer = dma_alloc_coherent(&adapter->pdev->dev, + PAGE_SIZE, &raid_dev->sysfs_buffer_dma, GFP_KERNEL); if (!raid_dev->sysfs_uioc || !raid_dev->sysfs_mbox64 || !raid_dev->sysfs_buffer) { @@ -3911,7 +3802,7 @@ megaraid_sysfs_free_resources(adapter_t *adapter) kfree(raid_dev->sysfs_mbox64); if (raid_dev->sysfs_buffer) { - pci_free_consistent(adapter->pdev, PAGE_SIZE, + dma_free_coherent(&adapter->pdev->dev, PAGE_SIZE, raid_dev->sysfs_buffer, raid_dev->sysfs_buffer_dma); } } @@ -3934,19 +3825,19 @@ megaraid_sysfs_get_ldmap_done(uioc_t *uioc) wake_up(&raid_dev->sysfs_wait_q); } - /** * megaraid_sysfs_get_ldmap_timeout - timeout handling for get ldmap - * @data : timed out packet + * @t : timed out timer * * Timeout routine to recover and return to application, in case the adapter * has stopped responding. A timeout of 60 seconds for this command seems like * a good value. */ static void -megaraid_sysfs_get_ldmap_timeout(unsigned long data) +megaraid_sysfs_get_ldmap_timeout(struct timer_list *t) { - uioc_t *uioc = (uioc_t *)data; + struct uioc_timeout *timeout = timer_container_of(timeout, t, timer); + uioc_t *uioc = timeout->uioc; adapter_t *adapter = (adapter_t *)uioc->buf_vaddr; mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter); @@ -3981,8 +3872,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) mbox64_t *mbox64; mbox_t *mbox; char *raw_mbox; - struct timer_list sysfs_timer; - struct timer_list *timerp; + struct uioc_timeout timeout; caddr_t ldmap; int rval = 0; @@ -4018,14 +3908,12 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) /* * Setup a timer to recover from a non-responding controller */ - timerp = &sysfs_timer; - init_timer(timerp); - - timerp->function = megaraid_sysfs_get_ldmap_timeout; - timerp->data = (unsigned long)uioc; - timerp->expires = jiffies + 60 * HZ; + timeout.uioc = uioc; + timer_setup_on_stack(&timeout.timer, + megaraid_sysfs_get_ldmap_timeout, 0); - add_timer(timerp); + timeout.timer.expires = jiffies + 60 * HZ; + add_timer(&timeout.timer); /* * Send the command to the firmware @@ -4063,7 +3951,8 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) } - del_timer_sync(timerp); + timer_delete_sync(&timeout.timer); + timer_destroy_on_stack(&timeout.timer); mutex_unlock(&raid_dev->sysfs_mtx); @@ -4072,8 +3961,9 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) /** - * megaraid_sysfs_show_app_hndl - display application handle for this adapter - * @cdev : class device object representation for the host + * megaraid_mbox_app_hndl_show - display application handle for this adapter + * @dev : class device object representation for the host + * @attr : device attribute (unused) * @buf : buffer to send data to * * Display the handle used by the applications while executing management @@ -4081,8 +3971,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) * handle, since we do not interface with applications directly. */ static ssize_t -megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, - char *buf) +megaraid_mbox_app_hndl_show(struct device *dev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(dev); adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(shost); @@ -4090,12 +3979,12 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, app_hndl = mraid_mm_adapter_app_handle(adapter->unique_id); - return snprintf(buf, 8, "%u\n", app_hndl); + return sysfs_emit(buf, "%u\n", app_hndl); } /** - * megaraid_sysfs_show_ldnum - display the logical drive number for this device + * megaraid_mbox_ld_show - display the logical drive number for this device * @dev : device object representation for the scsi device * @attr : device attribute to show * @buf : buffer to send data to @@ -4110,7 +3999,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, * <int> <int> <int> <int> */ static ssize_t -megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf) +megaraid_mbox_ld_show(struct device *dev, struct device_attribute *attr, char *buf) { struct scsi_device *sdev = to_scsi_device(dev); adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(sdev->host); @@ -4159,7 +4048,7 @@ megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, cha } } - return snprintf(buf, 36, "%d %d %d %d\n", scsi_id, logical_drv, + return sysfs_emit(buf, "%d %d %d %d\n", scsi_id, logical_drv, ldid_map, app_hndl); } @@ -4169,5 +4058,3 @@ megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, cha */ module_init(megaraid_init); module_exit(megaraid_exit); - -/* vim: set ts=8 sw=8 tw=78 ai si: */ |