diff options
Diffstat (limited to 'drivers/scsi/megaraid.c')
| -rw-r--r-- | drivers/scsi/megaraid.c | 845 |
1 files changed, 372 insertions, 473 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 3c63c292cb92..a00622c0c526 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * * Linux MegaRAID device driver * * Copyright (c) 2002 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. - * * Copyright (c) 2002 Red Hat, Inc. All rights reserved. * - fixes * - speed-ups (list handling fixes, issued_list, optimizations.) @@ -28,7 +24,6 @@ * This driver is supported by LSI Logic, with assistance from Red Hat, Dell, * and others. Please send updates to the mailing list * linux-scsi@vger.kernel.org . - * */ #include <linux/mm.h> @@ -49,10 +44,14 @@ #include <linux/dma-mapping.h> #include <linux/mutex.h> #include <linux/slab.h> -#include <scsi/scsicam.h> -#include "scsi.h" +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_eh.h> #include <scsi/scsi_host.h> +#include <scsi/scsi_tcq.h> +#include <scsi/scsicam.h> #include "megaraid.h" @@ -129,7 +128,7 @@ static int trace_level; /** * mega_setup_mailbox() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Allocates a 8 byte aligned memory for the handshake mailbox. */ @@ -138,8 +137,10 @@ mega_setup_mailbox(adapter_t *adapter) { unsigned long align; - adapter->una_mbox64 = pci_alloc_consistent(adapter->dev, - sizeof(mbox64_t), &adapter->una_mbox64_dma); + adapter->una_mbox64 = dma_alloc_coherent(&adapter->dev->dev, + sizeof(mbox64_t), + &adapter->una_mbox64_dma, + GFP_KERNEL); if( !adapter->una_mbox64 ) return -1; @@ -195,23 +196,21 @@ mega_query_adapter(adapter_t *adapter) { dma_addr_t prod_info_dma_handle; mega_inquiry3 *inquiry3; - u8 raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + u8 *raw_mbox = (u8 *)&mbox; int retval; /* Initialize adapter inquiry mailbox */ - mbox = (mbox_t *)raw_mbox; - memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * Try to issue Inquiry3 command * if not succeeded, then issue MEGA_MBOXCMD_ADAPTERINQ command and * update enquiry3 structure */ - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; inquiry3 = (mega_inquiry3 *)adapter->mega_buffer; @@ -220,24 +219,25 @@ mega_query_adapter(adapter_t *adapter) raw_mbox[3] = ENQ3_GET_SOLICITED_FULL; /* i.e. 0x02 */ /* Issue a blocking command to the card */ - if ((retval = issue_scb_block(adapter, raw_mbox))) { + if (issue_scb_block(adapter, raw_mbox)) { /* the adapter does not support 40ld */ mraid_ext_inquiry *ext_inq; mraid_inquiry *inq; dma_addr_t dma_handle; - ext_inq = pci_alloc_consistent(adapter->dev, - sizeof(mraid_ext_inquiry), &dma_handle); + ext_inq = dma_alloc_coherent(&adapter->dev->dev, + sizeof(mraid_ext_inquiry), + &dma_handle, GFP_KERNEL); if( ext_inq == NULL ) return -1; inq = &ext_inq->raid_inq; - mbox->m_out.xferaddr = (u32)dma_handle; + mbox.xferaddr = (u32)dma_handle; /*issue old 0x04 command to adapter */ - mbox->m_out.cmd = MEGA_MBOXCMD_ADPEXTINQ; + mbox.cmd = MEGA_MBOXCMD_ADPEXTINQ; issue_scb_block(adapter, raw_mbox); @@ -248,8 +248,9 @@ mega_query_adapter(adapter_t *adapter) mega_8_to_40ld(inq, inquiry3, (mega_product_info *)&adapter->product_info); - pci_free_consistent(adapter->dev, sizeof(mraid_ext_inquiry), - ext_inq, dma_handle); + dma_free_coherent(&adapter->dev->dev, + sizeof(mraid_ext_inquiry), ext_inq, + dma_handle); } else { /*adapter supports 40ld */ adapter->flag |= BOARD_40LD; @@ -258,11 +259,12 @@ mega_query_adapter(adapter_t *adapter) * get product_info, which is static information and will be * unchanged */ - prod_info_dma_handle = pci_map_single(adapter->dev, (void *) - &adapter->product_info, - sizeof(mega_product_info), PCI_DMA_FROMDEVICE); + prod_info_dma_handle = dma_map_single(&adapter->dev->dev, + (void *)&adapter->product_info, + sizeof(mega_product_info), + DMA_FROM_DEVICE); - mbox->m_out.xferaddr = prod_info_dma_handle; + mbox.xferaddr = prod_info_dma_handle; raw_mbox[0] = FC_NEW_CONFIG; /* i.e. mbox->cmd=0xA1 */ raw_mbox[2] = NC_SUBOP_PRODUCT_INFO; /* i.e. 0x0E */ @@ -272,8 +274,8 @@ mega_query_adapter(adapter_t *adapter) "Product_info cmd failed with error: %d\n", retval); - pci_unmap_single(adapter->dev, prod_info_dma_handle, - sizeof(mega_product_info), PCI_DMA_FROMDEVICE); + dma_unmap_single(&adapter->dev->dev, prod_info_dma_handle, + sizeof(mega_product_info), DMA_FROM_DEVICE); } @@ -311,13 +313,15 @@ mega_query_adapter(adapter_t *adapter) right 8 bits making them zero. This 0 value was hardcoded to fix sparse warnings. */ if (adapter->product_info.subsysvid == PCI_VENDOR_ID_HP) { - sprintf (adapter->fw_version, "%c%d%d.%d%d", + snprintf(adapter->fw_version, sizeof(adapter->fw_version), + "%c%d%d.%d%d", adapter->product_info.fw_version[2], 0, adapter->product_info.fw_version[1] & 0x0f, 0, adapter->product_info.fw_version[0] & 0x0f); - sprintf (adapter->bios_version, "%c%d%d.%d%d", + snprintf(adapter->bios_version, sizeof(adapter->fw_version), + "%c%d%d.%d%d", adapter->product_info.bios_version[2], 0, adapter->product_info.bios_version[1] & 0x0f, @@ -350,7 +354,7 @@ mega_query_adapter(adapter_t *adapter) /** * mega_runpendq() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Runs through the list of pending requests. */ @@ -368,8 +372,7 @@ mega_runpendq(adapter_t *adapter) * * The command queuing entry point for the mid-layer. */ -static int -megaraid_queue_lck(Scsi_Cmnd *scmd, void (*done)(Scsi_Cmnd *)) +static int megaraid_queue_lck(struct scsi_cmnd *scmd) { adapter_t *adapter; scb_t *scb; @@ -378,9 +381,6 @@ megaraid_queue_lck(Scsi_Cmnd *scmd, void (*done)(Scsi_Cmnd *)) adapter = (adapter_t *)scmd->device->host->hostdata; - scmd->scsi_done = done; - - /* * Allocate and build a SCB request * busy flag will be set if mega_build_cmd() command could not @@ -416,14 +416,14 @@ static DEF_SCSI_QCMD(megaraid_queue) /** * mega_allocate_scb() - * @adapter - pointer to our soft state - * @cmd - scsi command from the mid-layer + * @adapter: pointer to our soft state + * @cmd: scsi command from the mid-layer * * Allocate a SCB structure. This is the central structure for controller * commands. */ static inline scb_t * -mega_allocate_scb(adapter_t *adapter, Scsi_Cmnd *cmd) +mega_allocate_scb(adapter_t *adapter, struct scsi_cmnd *cmd) { struct list_head *head = &adapter->free_list; scb_t *scb; @@ -447,15 +447,15 @@ mega_allocate_scb(adapter_t *adapter, Scsi_Cmnd *cmd) /** * mega_get_ldrv_num() - * @adapter - pointer to our soft state - * @cmd - scsi mid layer command - * @channel - channel on the controller + * @adapter: pointer to our soft state + * @cmd: scsi mid layer command + * @channel: channel on the controller * * Calculate the logical drive number based on the information in scsi command * and the channel number. */ static inline int -mega_get_ldrv_num(adapter_t *adapter, Scsi_Cmnd *cmd, int channel) +mega_get_ldrv_num(adapter_t *adapter, struct scsi_cmnd *cmd, int channel) { int tgt; int ldrv_num; @@ -494,9 +494,9 @@ mega_get_ldrv_num(adapter_t *adapter, Scsi_Cmnd *cmd, int channel) if (adapter->support_random_del && adapter->read_ldidmap ) switch (cmd->cmnd[0]) { - case READ_6: /* fall through */ - case WRITE_6: /* fall through */ - case READ_10: /* fall through */ + case READ_6: + case WRITE_6: + case READ_10: case WRITE_10: ldrv_num += 0x80; } @@ -506,9 +506,9 @@ mega_get_ldrv_num(adapter_t *adapter, Scsi_Cmnd *cmd, int channel) /** * mega_build_cmd() - * @adapter - pointer to our soft state - * @cmd - Prepare using this scsi command - * @busy - busy flag if no resources + * @adapter: pointer to our soft state + * @cmd: Prepare using this scsi command + * @busy: busy flag if no resources * * Prepares a command and scatter gather list for the controller. This routine * also finds out if the commands is intended for a logical drive or a @@ -518,9 +518,8 @@ mega_get_ldrv_num(adapter_t *adapter, Scsi_Cmnd *cmd, int channel) * boot settings. */ static scb_t * -mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) +mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy) { - mega_ext_passthru *epthru; mega_passthru *pthru; scb_t *scb; mbox_t *mbox; @@ -585,7 +584,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) /* have just LUN 0 for each target on virtual channels */ if (cmd->device->lun) { cmd->result = (DID_BAD_TARGET << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } @@ -604,7 +603,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) if(ldrv_num > max_ldrv_num ) { cmd->result = (DID_BAD_TARGET << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } @@ -616,7 +615,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) * devices */ cmd->result = (DID_BAD_TARGET << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } } @@ -636,7 +635,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) */ if( !adapter->has_cluster ) { cmd->result = (DID_OK << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } @@ -649,12 +648,12 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) scb->raw_mbox[2] = MEGA_RESERVATION_STATUS; scb->raw_mbox[3] = ldrv_num; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; return scb; #else cmd->result = (DID_OK << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; #endif @@ -669,7 +668,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) kunmap_atomic(buf - sg->offset); cmd->result = (DID_OK << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } @@ -713,7 +712,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) mbox->m_out.cmd = MEGA_MBOXCMD_PASSTHRU; } - scb->dma_direction = PCI_DMA_FROMDEVICE; + scb->dma_direction = DMA_FROM_DEVICE; pthru->numsgelements = mega_build_sglist(adapter, scb, &pthru->dataxferaddr, &pthru->dataxferlen); @@ -843,10 +842,10 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) * If it is a read command */ if( (*cmd->cmnd & 0x0F) == 0x08 ) { - scb->dma_direction = PCI_DMA_FROMDEVICE; + scb->dma_direction = DMA_FROM_DEVICE; } else { - scb->dma_direction = PCI_DMA_TODEVICE; + scb->dma_direction = DMA_TO_DEVICE; } /* Calculate Scatter-Gather info */ @@ -856,8 +855,8 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) return scb; #if MEGA_HAVE_CLUSTERING - case RESERVE: /* Fall through */ - case RELEASE: + case RESERVE_6: + case RELEASE_6: /* * Do we support clustering and is the support enabled @@ -865,7 +864,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) if( ! adapter->has_cluster ) { cmd->result = (DID_BAD_TARGET << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } @@ -876,19 +875,19 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) } scb->raw_mbox[0] = MEGA_CLUSTER_CMD; - scb->raw_mbox[2] = ( *cmd->cmnd == RESERVE ) ? + scb->raw_mbox[2] = *cmd->cmnd == RESERVE_6 ? MEGA_RESERVE_LD : MEGA_RELEASE_LD; scb->raw_mbox[3] = ldrv_num; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; return scb; #endif default: cmd->result = (DID_BAD_TARGET << 16); - cmd->scsi_done(cmd); + scsi_done(cmd); return NULL; } } @@ -908,7 +907,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) if( adapter->support_ext_cdb ) { - epthru = mega_prepare_extpassthru(adapter, scb, cmd, + mega_prepare_extpassthru(adapter, scb, cmd, channel, target); mbox->m_out.cmd = MEGA_MBOXCMD_EXTPTHRU; @@ -940,17 +939,17 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) /** * mega_prepare_passthru() - * @adapter - pointer to our soft state - * @scb - our scsi control block - * @cmd - scsi command from the mid-layer - * @channel - actual channel on the controller - * @target - actual id on the controller. + * @adapter: pointer to our soft state + * @scb: our scsi control block + * @cmd: scsi command from the mid-layer + * @channel: actual channel on the controller + * @target: actual id on the controller. * * prepare a command for the scsi physical devices. */ static mega_passthru * -mega_prepare_passthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, - int channel, int target) +mega_prepare_passthru(adapter_t *adapter, scb_t *scb, struct scsi_cmnd *cmd, + int channel, int target) { mega_passthru *pthru; @@ -975,7 +974,7 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, memcpy(pthru->cdb, cmd->cmnd, cmd->cmd_len); /* Not sure about the direction */ - scb->dma_direction = PCI_DMA_BIDIRECTIONAL; + scb->dma_direction = DMA_BIDIRECTIONAL; /* Special Code for Handling READ_CAPA/ INQ using bounce buffers */ switch (cmd->cmnd[0]) { @@ -991,7 +990,7 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, adapter->flag |= (1L << cmd->device->channel); } - /* Fall through */ + fallthrough; default: pthru->numsgelements = mega_build_sglist(adapter, scb, &pthru->dataxferaddr, &pthru->dataxferlen); @@ -1003,18 +1002,19 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, /** * mega_prepare_extpassthru() - * @adapter - pointer to our soft state - * @scb - our scsi control block - * @cmd - scsi command from the mid-layer - * @channel - actual channel on the controller - * @target - actual id on the controller. + * @adapter: pointer to our soft state + * @scb: our scsi control block + * @cmd: scsi command from the mid-layer + * @channel: actual channel on the controller + * @target: actual id on the controller. * * prepare a command for the scsi physical devices. This rountine prepares * commands for devices which can take extended CDBs (>10 bytes) */ static mega_ext_passthru * -mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, - int channel, int target) +mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb, + struct scsi_cmnd *cmd, + int channel, int target) { mega_ext_passthru *epthru; @@ -1038,7 +1038,7 @@ mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, memcpy(epthru->cdb, cmd->cmnd, cmd->cmd_len); /* Not sure about the direction */ - scb->dma_direction = PCI_DMA_BIDIRECTIONAL; + scb->dma_direction = DMA_BIDIRECTIONAL; switch(cmd->cmnd[0]) { case INQUIRY: @@ -1053,7 +1053,7 @@ mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb, Scsi_Cmnd *cmd, adapter->flag |= (1L << cmd->device->channel); } - /* Fall through */ + fallthrough; default: epthru->numsgelements = mega_build_sglist(adapter, scb, &epthru->dataxferaddr, &epthru->dataxferlen); @@ -1087,8 +1087,8 @@ __mega_runpendq(adapter_t *adapter) /** * issue_scb() - * @adapter - pointer to our soft state - * @scb - scsi control block + * @adapter: pointer to our soft state + * @scb: scsi control block * * Post a command to the card if the mailbox is available, otherwise return * busy. We also take the scb from the pending list if the mailbox is @@ -1168,8 +1168,8 @@ mega_busywait_mbox (adapter_t *adapter) /** * issue_scb_block() - * @adapter - pointer to our soft state - * @raw_mbox - the mailbox + * @adapter: pointer to our soft state + * @raw_mbox: the mailbox * * Issue a scb in synchronous and non-interrupt mode */ @@ -1249,8 +1249,8 @@ bug_blocked_mailbox: /** * megaraid_isr_iomapped() - * @irq - irq - * @devp - pointer to our soft state + * @irq: irq + * @devp: pointer to our soft state * * Interrupt service routine for io-mapped controllers. * Find out if our device is interrupting. If yes, acknowledge the interrupt @@ -1325,8 +1325,8 @@ megaraid_isr_iomapped(int irq, void *devp) /** * megaraid_isr_memmapped() - * @irq - irq - * @devp - pointer to our soft state + * @irq: irq + * @devp: pointer to our soft state * * Interrupt service routine for memory-mapped controllers. * Find out if our device is interrupting. If yes, acknowledge the interrupt @@ -1403,10 +1403,10 @@ megaraid_isr_memmapped(int irq, void *devp) } /** * mega_cmd_done() - * @adapter - pointer to our soft state - * @completed - array of ids of completed commands - * @nstatus - number of completed commands - * @status - status of the last command completed + * @adapter: pointer to our soft state + * @completed: array of ids of completed commands + * @nstatus: number of completed commands + * @status: status of the last command completed * * Complete the commands and call the scsi mid-layer callback hooks. */ @@ -1415,7 +1415,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) { mega_ext_passthru *epthru = NULL; struct scatterlist *sgl; - Scsi_Cmnd *cmd = NULL; + struct scsi_cmnd *cmd = NULL; mega_passthru *pthru = NULL; mbox_t *mbox = NULL; u8 c; @@ -1441,6 +1441,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) */ if (cmdid == CMDID_INT_CMDS) { scb = &adapter->int_scb; + cmd = scb->cmd; list_del_init(&scb->list); scb->state = SCB_FREE; @@ -1581,9 +1582,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) memcpy(cmd->sense_buffer, pthru->reqsensearea, 14); - cmd->result = (DRIVER_SENSE << 24) | - (DID_OK << 16) | - (CHECK_CONDITION << 1); + cmd->result = SAM_STAT_CHECK_CONDITION; } else { if (mbox->m_out.cmd == MEGA_MBOXCMD_EXTPTHRU) { @@ -1591,14 +1590,10 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) memcpy(cmd->sense_buffer, epthru->reqsensearea, 14); - cmd->result = (DRIVER_SENSE << 24) | - (DID_OK << 16) | - (CHECK_CONDITION << 1); - } else { - cmd->sense_buffer[0] = 0x70; - cmd->sense_buffer[2] = ABORTED_COMMAND; - cmd->result |= (CHECK_CONDITION << 1); - } + cmd->result = SAM_STAT_CHECK_CONDITION; + } else + scsi_build_sense(cmd, 0, + ABORTED_COMMAND, 0, 0); } break; @@ -1615,7 +1610,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) */ if( cmd->cmnd[0] == TEST_UNIT_READY ) { cmd->result |= (DID_ERROR << 16) | - (RESERVATION_CONFLICT << 1); + SAM_STAT_RESERVATION_CONFLICT; } else /* @@ -1623,11 +1618,11 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) * failed or the input parameter is invalid */ if( status == 1 && - (cmd->cmnd[0] == RESERVE || - cmd->cmnd[0] == RELEASE) ) { + (cmd->cmnd[0] == RESERVE_6 || + cmd->cmnd[0] == RELEASE_6) ) { cmd->result |= (DID_ERROR << 16) | - (RESERVATION_CONFLICT << 1); + SAM_STAT_RESERVATION_CONFLICT; } else #endif @@ -1650,16 +1645,10 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) static void mega_rundoneq (adapter_t *adapter) { - Scsi_Cmnd *cmd; - struct list_head *pos; - - list_for_each(pos, &adapter->completed_list) { + struct megaraid_cmd_priv *cmd_priv; - struct scsi_pointer* spos = (struct scsi_pointer *)pos; - - cmd = list_entry(spos, Scsi_Cmnd, SCp); - cmd->scsi_done(cmd); - } + list_for_each_entry(cmd_priv, &adapter->completed_list, entry) + scsi_done(megaraid_to_scsi_cmd(cmd_priv)); INIT_LIST_HEAD(&adapter->completed_list); } @@ -1720,7 +1709,7 @@ static int mega_build_sglist(adapter_t *adapter, scb_t *scb, u32 *buf, u32 *len) { struct scatterlist *sg; - Scsi_Cmnd *cmd; + struct scsi_cmnd *cmd; int sgcnt; int idx; @@ -1816,25 +1805,25 @@ mega_free_sgl(adapter_t *adapter) scb = &adapter->scb_list[i]; if( scb->sgl64 ) { - pci_free_consistent(adapter->dev, - sizeof(mega_sgl64) * adapter->sglen, - scb->sgl64, - scb->sgl_dma_addr); + dma_free_coherent(&adapter->dev->dev, + sizeof(mega_sgl64) * adapter->sglen, + scb->sgl64, scb->sgl_dma_addr); scb->sgl64 = NULL; } if( scb->pthru ) { - pci_free_consistent(adapter->dev, sizeof(mega_passthru), - scb->pthru, scb->pthru_dma_addr); + dma_free_coherent(&adapter->dev->dev, + sizeof(mega_passthru), scb->pthru, + scb->pthru_dma_addr); scb->pthru = NULL; } if( scb->epthru ) { - pci_free_consistent(adapter->dev, - sizeof(mega_ext_passthru), - scb->epthru, scb->epthru_dma_addr); + dma_free_coherent(&adapter->dev->dev, + sizeof(mega_ext_passthru), + scb->epthru, scb->epthru_dma_addr); scb->epthru = NULL; } @@ -1867,7 +1856,7 @@ megaraid_info(struct Scsi_Host *host) * aborted. All the commands issued to the F/W must complete. */ static int -megaraid_abort(Scsi_Cmnd *cmd) +megaraid_abort(struct scsi_cmnd *cmd) { adapter_t *adapter; int rval; @@ -1909,7 +1898,7 @@ megaraid_reset(struct scsi_cmnd *cmd) spin_lock_irq(&adapter->lock); - rval = megaraid_abort_and_reset(adapter, cmd, SCB_RESET); + rval = megaraid_abort_and_reset(adapter, NULL, SCB_RESET); /* * This is required here to complete any completed requests @@ -1923,23 +1912,26 @@ megaraid_reset(struct scsi_cmnd *cmd) /** * megaraid_abort_and_reset() - * @adapter - megaraid soft state - * @cmd - scsi command to be aborted or reset - * @aor - abort or reset flag + * @adapter: megaraid soft state + * @cmd: scsi command to be aborted or reset + * @aor: abort or reset flag * * Try to locate the scsi command in the pending queue. If found and is not * issued to the controller, abort/reset it. Otherwise return failure */ static int -megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor) +megaraid_abort_and_reset(adapter_t *adapter, struct scsi_cmnd *cmd, int aor) { struct list_head *pos, *next; scb_t *scb; - dev_warn(&adapter->dev->dev, "%s cmd=%x <c=%d t=%d l=%d>\n", - (aor == SCB_ABORT)? "ABORTING":"RESET", - cmd->cmnd[0], cmd->device->channel, - cmd->device->id, (u32)cmd->device->lun); + if (aor == SCB_ABORT) + dev_warn(&adapter->dev->dev, + "ABORTING cmd=%x <c=%d t=%d l=%d>\n", + cmd->cmnd[0], cmd->device->channel, + cmd->device->id, (u32)cmd->device->lun); + else + dev_warn(&adapter->dev->dev, "RESETTING\n"); if(list_empty(&adapter->pending_list)) return FAILED; @@ -1948,7 +1940,7 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor) scb = list_entry(pos, scb_t, list); - if (scb->cmd == cmd) { /* Found command */ + if (!cmd || scb->cmd == cmd) { /* Found command */ scb->state |= aor; @@ -1967,31 +1959,23 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor) return FAILED; } - else { - - /* - * Not yet issued! Remove from the pending - * list - */ - dev_warn(&adapter->dev->dev, - "%s-[%x], driver owner\n", - (aor==SCB_ABORT) ? "ABORTING":"RESET", - scb->idx); - - mega_free_scb(adapter, scb); - - if( aor == SCB_ABORT ) { - cmd->result = (DID_ABORT << 16); - } - else { - cmd->result = (DID_RESET << 16); - } + /* + * Not yet issued! Remove from the pending + * list + */ + dev_warn(&adapter->dev->dev, + "%s-[%x], driver owner\n", + (cmd) ? "ABORTING":"RESET", + scb->idx); + mega_free_scb(adapter, scb); + if (cmd) { + cmd->result = (DID_ABORT << 16); list_add_tail(SCSI_LIST(cmd), - &adapter->completed_list); - - return SUCCESS; + &adapter->completed_list); } + + return SUCCESS; } } @@ -2007,7 +1991,7 @@ make_local_pdev(adapter_t *adapter, struct pci_dev **pdev) memcpy(*pdev, adapter->dev, sizeof(struct pci_dev)); - if( pci_set_dma_mask(*pdev, DMA_BIT_MASK(32)) != 0 ) { + if (dma_set_mask(&(*pdev)->dev, DMA_BIT_MASK(32)) != 0) { kfree(*pdev); return -1; } @@ -2023,22 +2007,24 @@ free_local_pdev(struct pci_dev *pdev) /** * mega_allocate_inquiry() - * @dma_handle - handle returned for dma address - * @pdev - handle to pci device + * @dma_handle: handle returned for dma address + * @pdev: handle to pci device * * allocates memory for inquiry structure */ static inline void * mega_allocate_inquiry(dma_addr_t *dma_handle, struct pci_dev *pdev) { - return pci_alloc_consistent(pdev, sizeof(mega_inquiry3), dma_handle); + return dma_alloc_coherent(&pdev->dev, sizeof(mega_inquiry3), + dma_handle, GFP_KERNEL); } static inline void mega_free_inquiry(void *inquiry, dma_addr_t dma_handle, struct pci_dev *pdev) { - pci_free_consistent(pdev, sizeof(mega_inquiry3), inquiry, dma_handle); + dma_free_coherent(&pdev->dev, sizeof(mega_inquiry3), inquiry, + dma_handle); } @@ -2047,8 +2033,8 @@ mega_free_inquiry(void *inquiry, dma_addr_t dma_handle, struct pci_dev *pdev) /** * proc_show_config() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display configuration information about the controller. */ @@ -2111,8 +2097,8 @@ proc_show_config(struct seq_file *m, void *v) /** * proc_show_stat() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display statistical information about the I/O activity. */ @@ -2145,8 +2131,8 @@ proc_show_stat(struct seq_file *m, void *v) /** * proc_show_mbox() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display mailbox information for the last command issued. This information * is good for debugging. @@ -2173,8 +2159,8 @@ proc_show_mbox(struct seq_file *m, void *v) /** * proc_show_rebuild_rate() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display current rebuild rate */ @@ -2216,8 +2202,8 @@ free_pdev: /** * proc_show_battery() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display information about the battery module on the controller. */ @@ -2319,9 +2305,9 @@ mega_print_inquiry(struct seq_file *m, char *scsi_inq) /** * proc_show_pdrv() - * @m - Synthetic file construction data - * @page - buffer to write the data in - * @adapter - pointer to our soft state + * @m: Synthetic file construction data + * @adapter: pointer to our soft state + * @channel: channel * * Display information about the physical drives. */ @@ -2352,7 +2338,8 @@ proc_show_pdrv(struct seq_file *m, adapter_t *adapter, int channel) } - scsi_inq = pci_alloc_consistent(pdev, 256, &scsi_inq_dma_handle); + scsi_inq = dma_alloc_coherent(&pdev->dev, 256, &scsi_inq_dma_handle, + GFP_KERNEL); if( scsi_inq == NULL ) { seq_puts(m, "memory not available for scsi inq.\n"); goto free_inquiry; @@ -2425,7 +2412,7 @@ proc_show_pdrv(struct seq_file *m, adapter_t *adapter, int channel) } free_pci: - pci_free_consistent(pdev, 256, scsi_inq, scsi_inq_dma_handle); + dma_free_coherent(&pdev->dev, 256, scsi_inq, scsi_inq_dma_handle); free_inquiry: mega_free_inquiry(inquiry, dma_handle, pdev); free_pdev: @@ -2435,8 +2422,8 @@ free_pdev: /** * proc_show_pdrv_ch0() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display information about the physical drives on physical channel 0. */ @@ -2449,8 +2436,8 @@ proc_show_pdrv_ch0(struct seq_file *m, void *v) /** * proc_show_pdrv_ch1() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display information about the physical drives on physical channel 1. */ @@ -2463,8 +2450,8 @@ proc_show_pdrv_ch1(struct seq_file *m, void *v) /** * proc_show_pdrv_ch2() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display information about the physical drives on physical channel 2. */ @@ -2477,8 +2464,8 @@ proc_show_pdrv_ch2(struct seq_file *m, void *v) /** * proc_show_pdrv_ch3() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display information about the physical drives on physical channel 3. */ @@ -2491,10 +2478,10 @@ proc_show_pdrv_ch3(struct seq_file *m, void *v) /** * proc_show_rdrv() - * @m - Synthetic file construction data - * @adapter - pointer to our soft state - * @start - starting logical drive to display - * @end - ending logical drive to display + * @m: Synthetic file construction data + * @adapter: pointer to our soft state + * @start: starting logical drive to display + * @end: ending logical drive to display * * We do not print the inquiry information since its already available through * /proc/scsi/scsi interface @@ -2545,8 +2532,8 @@ proc_show_rdrv(struct seq_file *m, adapter_t *adapter, int start, int end ) raid_inq.logdrv_info.num_ldrv; } - disk_array = pci_alloc_consistent(pdev, array_sz, - &disk_array_dma_handle); + disk_array = dma_alloc_coherent(&pdev->dev, array_sz, + &disk_array_dma_handle, GFP_KERNEL); if( disk_array == NULL ) { seq_puts(m, "memory not available.\n"); @@ -2665,8 +2652,8 @@ proc_show_rdrv(struct seq_file *m, adapter_t *adapter, int start, int end ) } free_pci: - pci_free_consistent(pdev, array_sz, disk_array, - disk_array_dma_handle); + dma_free_coherent(&pdev->dev, array_sz, disk_array, + disk_array_dma_handle); free_inquiry: mega_free_inquiry(inquiry, dma_handle, pdev); free_pdev: @@ -2676,8 +2663,8 @@ free_pdev: /** * proc_show_rdrv_10() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display real time information about the logical drives 0 through 9. */ @@ -2690,8 +2677,8 @@ proc_show_rdrv_10(struct seq_file *m, void *v) /** * proc_show_rdrv_20() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display real time information about the logical drives 0 through 9. */ @@ -2704,8 +2691,8 @@ proc_show_rdrv_20(struct seq_file *m, void *v) /** * proc_show_rdrv_30() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display real time information about the logical drives 0 through 9. */ @@ -2718,8 +2705,8 @@ proc_show_rdrv_30(struct seq_file *m, void *v) /** * proc_show_rdrv_40() - * @m - Synthetic file construction data - * @v - File iterator + * @m: Synthetic file construction data + * @v: File iterator * * Display real time information about the logical drives 0 through 9. */ @@ -2729,88 +2716,55 @@ proc_show_rdrv_40(struct seq_file *m, void *v) return proc_show_rdrv(m, m->private, 30, 39); } - -/* - * seq_file wrappers for procfile show routines. - */ -static int mega_proc_open(struct inode *inode, struct file *file) -{ - adapter_t *adapter = proc_get_parent_data(inode); - int (*show)(struct seq_file *, void *) = PDE_DATA(inode); - - return single_open(file, show, adapter); -} - -static const struct file_operations mega_proc_fops = { - .open = mega_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -/* - * Table of proc files we need to create. - */ -struct mega_proc_file { - const char *name; - unsigned short ptr_offset; - int (*show) (struct seq_file *m, void *v); -}; - -static const struct mega_proc_file mega_proc_files[] = { - { "config", offsetof(adapter_t, proc_read), proc_show_config }, - { "stat", offsetof(adapter_t, proc_stat), proc_show_stat }, - { "mailbox", offsetof(adapter_t, proc_mbox), proc_show_mbox }, -#if MEGA_HAVE_ENH_PROC - { "rebuild-rate", offsetof(adapter_t, proc_rr), proc_show_rebuild_rate }, - { "battery-status", offsetof(adapter_t, proc_battery), proc_show_battery }, - { "diskdrives-ch0", offsetof(adapter_t, proc_pdrvstat[0]), proc_show_pdrv_ch0 }, - { "diskdrives-ch1", offsetof(adapter_t, proc_pdrvstat[1]), proc_show_pdrv_ch1 }, - { "diskdrives-ch2", offsetof(adapter_t, proc_pdrvstat[2]), proc_show_pdrv_ch2 }, - { "diskdrives-ch3", offsetof(adapter_t, proc_pdrvstat[3]), proc_show_pdrv_ch3 }, - { "raiddrives-0-9", offsetof(adapter_t, proc_rdrvstat[0]), proc_show_rdrv_10 }, - { "raiddrives-10-19", offsetof(adapter_t, proc_rdrvstat[1]), proc_show_rdrv_20 }, - { "raiddrives-20-29", offsetof(adapter_t, proc_rdrvstat[2]), proc_show_rdrv_30 }, - { "raiddrives-30-39", offsetof(adapter_t, proc_rdrvstat[3]), proc_show_rdrv_40 }, -#endif - { NULL } -}; - /** * mega_create_proc_entry() - * @index - index in soft state array - * @parent - parent node for this /proc entry + * @index: index in soft state array + * @parent: parent node for this /proc entry * * Creates /proc entries for our controllers. */ static void mega_create_proc_entry(int index, struct proc_dir_entry *parent) { - const struct mega_proc_file *f; - adapter_t *adapter = hba_soft_state[index]; - struct proc_dir_entry *dir, *de, **ppde; - u8 string[16]; + adapter_t *adapter = hba_soft_state[index]; + struct proc_dir_entry *dir; + u8 string[16]; sprintf(string, "hba%d", adapter->host->host_no); - - dir = adapter->controller_proc_dir_entry = - proc_mkdir_data(string, 0, parent, adapter); - if(!dir) { + dir = proc_mkdir_data(string, 0, parent, adapter); + if (!dir) { dev_warn(&adapter->dev->dev, "proc_mkdir failed\n"); return; } - for (f = mega_proc_files; f->name; f++) { - de = proc_create_data(f->name, S_IRUSR, dir, &mega_proc_fops, - f->show); - if (!de) { - dev_warn(&adapter->dev->dev, "proc_create failed\n"); - return; - } - - ppde = (void *)adapter + f->ptr_offset; - *ppde = de; - } + proc_create_single_data("config", S_IRUSR, dir, + proc_show_config, adapter); + proc_create_single_data("stat", S_IRUSR, dir, + proc_show_stat, adapter); + proc_create_single_data("mailbox", S_IRUSR, dir, + proc_show_mbox, adapter); +#if MEGA_HAVE_ENH_PROC + proc_create_single_data("rebuild-rate", S_IRUSR, dir, + proc_show_rebuild_rate, adapter); + proc_create_single_data("battery-status", S_IRUSR, dir, + proc_show_battery, adapter); + proc_create_single_data("diskdrives-ch0", S_IRUSR, dir, + proc_show_pdrv_ch0, adapter); + proc_create_single_data("diskdrives-ch1", S_IRUSR, dir, + proc_show_pdrv_ch1, adapter); + proc_create_single_data("diskdrives-ch2", S_IRUSR, dir, + proc_show_pdrv_ch2, adapter); + proc_create_single_data("diskdrives-ch3", S_IRUSR, dir, + proc_show_pdrv_ch3, adapter); + proc_create_single_data("raiddrives-0-9", S_IRUSR, dir, + proc_show_rdrv_10, adapter); + proc_create_single_data("raiddrives-10-19", S_IRUSR, dir, + proc_show_rdrv_20, adapter); + proc_create_single_data("raiddrives-20-29", S_IRUSR, dir, + proc_show_rdrv_30, adapter); + proc_create_single_data("raiddrives-30-39", S_IRUSR, dir, + proc_show_rdrv_40, adapter); +#endif } #else @@ -2820,21 +2774,19 @@ static inline void mega_create_proc_entry(int index, struct proc_dir_entry *pare #endif -/** +/* * megaraid_biosparam() * * Return the disk geometry for a particular disk */ static int -megaraid_biosparam(struct scsi_device *sdev, struct block_device *bdev, +megaraid_biosparam(struct scsi_device *sdev, struct gendisk *disk, sector_t capacity, int geom[]) { adapter_t *adapter; - unsigned char *bh; int heads; int sectors; int cylinders; - int rval; /* Get pointer to host config structure */ adapter = (adapter_t *)sdev->host->hostdata; @@ -2861,15 +2813,8 @@ megaraid_biosparam(struct scsi_device *sdev, struct block_device *bdev, geom[2] = cylinders; } else { - bh = scsi_bios_ptable(bdev); - - if( bh ) { - rval = scsi_partsize(bh, capacity, - &geom[2], &geom[0], &geom[1]); - kfree(bh); - if( rval != -1 ) - return rval; - } + if (scsi_partsize(disk, capacity, geom)) + return 0; dev_info(&adapter->dev->dev, "invalid partition on this disk on channel %d\n", @@ -2898,7 +2843,7 @@ megaraid_biosparam(struct scsi_device *sdev, struct block_device *bdev, /** * mega_init_scb() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Allocate memory for the various pointers in the scb structures: * scatter-gather list pointer, passthru and extended passthru structure @@ -2926,9 +2871,9 @@ mega_init_scb(adapter_t *adapter) scb->idx = i; - scb->sgl64 = pci_alloc_consistent(adapter->dev, - sizeof(mega_sgl64) * adapter->sglen, - &scb->sgl_dma_addr); + scb->sgl64 = dma_alloc_coherent(&adapter->dev->dev, + sizeof(mega_sgl64) * adapter->sglen, + &scb->sgl_dma_addr, GFP_KERNEL); scb->sgl = (mega_sglist *)scb->sgl64; @@ -2938,9 +2883,9 @@ mega_init_scb(adapter_t *adapter) return -1; } - scb->pthru = pci_alloc_consistent(adapter->dev, - sizeof(mega_passthru), - &scb->pthru_dma_addr); + scb->pthru = dma_alloc_coherent(&adapter->dev->dev, + sizeof(mega_passthru), + &scb->pthru_dma_addr, GFP_KERNEL); if( !scb->pthru ) { dev_warn(&adapter->dev->dev, "RAID: Can't allocate passthru\n"); @@ -2948,9 +2893,9 @@ mega_init_scb(adapter_t *adapter) return -1; } - scb->epthru = pci_alloc_consistent(adapter->dev, - sizeof(mega_ext_passthru), - &scb->epthru_dma_addr); + scb->epthru = dma_alloc_coherent(&adapter->dev->dev, + sizeof(mega_ext_passthru), + &scb->epthru_dma_addr, GFP_KERNEL); if( !scb->epthru ) { dev_warn(&adapter->dev->dev, @@ -2978,8 +2923,8 @@ mega_init_scb(adapter_t *adapter) /** * megadev_open() - * @inode - unused - * @filep - unused + * @inode: unused + * @filep: unused * * Routines for the character/ioctl interface to the driver. Find out if this * is a valid open. @@ -2998,10 +2943,9 @@ megadev_open (struct inode *inode, struct file *filep) /** * megadev_ioctl() - * @inode - Our device inode - * @filep - unused - * @cmd - ioctl command - * @arg - user buffer + * @filep: Our device file + * @cmd: ioctl command + * @arg: user buffer * * ioctl entry point for our private ioctl interface. We move the data in from * the user space, prepare the command (if necessary, convert the old MIMD @@ -3021,14 +2965,13 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) void *data = NULL; /* data to be transferred */ dma_addr_t data_dma_hndl; /* dma handle for data xfer area */ megacmd_t mc; - megastat_t __user *ustats; - int num_ldrv; +#if MEGA_HAVE_STATS + megastat_t __user *ustats = NULL; + int num_ldrv = 0; +#endif u32 uxferaddr = 0; struct pci_dev *pdev; - ustats = NULL; /* avoid compilation warnings */ - num_ldrv = 0; - /* * Make sure only USCSICMD are issued through this interface. * MIMD application would still fire different command. @@ -3192,9 +3135,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) if( uioc.uioc_rmbox[0] == MEGA_MBOXCMD_PASSTHRU ) { /* Passthru commands */ - pthru = pci_alloc_consistent(pdev, - sizeof(mega_passthru), - &pthru_dma_hndl); + pthru = dma_alloc_coherent(&pdev->dev, + sizeof(mega_passthru), + &pthru_dma_hndl, GFP_KERNEL); if( pthru == NULL ) { free_local_pdev(pdev); @@ -3212,9 +3155,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) if( copy_from_user(pthru, upthru, sizeof(mega_passthru)) ) { - pci_free_consistent(pdev, - sizeof(mega_passthru), pthru, - pthru_dma_hndl); + dma_free_coherent(&pdev->dev, + sizeof(mega_passthru), + pthru, pthru_dma_hndl); free_local_pdev(pdev); @@ -3225,15 +3168,16 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) * Is there a data transfer */ if( pthru->dataxferlen ) { - data = pci_alloc_consistent(pdev, - pthru->dataxferlen, - &data_dma_hndl); + data = dma_alloc_coherent(&pdev->dev, + pthru->dataxferlen, + &data_dma_hndl, + GFP_KERNEL); if( data == NULL ) { - pci_free_consistent(pdev, - sizeof(mega_passthru), - pthru, - pthru_dma_hndl); + dma_free_coherent(&pdev->dev, + sizeof(mega_passthru), + pthru, + pthru_dma_hndl); free_local_pdev(pdev); @@ -3298,13 +3242,13 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) freemem_and_return: if( pthru->dataxferlen ) { - pci_free_consistent(pdev, - pthru->dataxferlen, data, - data_dma_hndl); + dma_free_coherent(&pdev->dev, + pthru->dataxferlen, data, + data_dma_hndl); } - pci_free_consistent(pdev, sizeof(mega_passthru), - pthru, pthru_dma_hndl); + dma_free_coherent(&pdev->dev, sizeof(mega_passthru), + pthru, pthru_dma_hndl); free_local_pdev(pdev); @@ -3317,8 +3261,10 @@ freemem_and_return: * Is there a data transfer */ if( uioc.xferlen ) { - data = pci_alloc_consistent(pdev, - uioc.xferlen, &data_dma_hndl); + data = dma_alloc_coherent(&pdev->dev, + uioc.xferlen, + &data_dma_hndl, + GFP_KERNEL); if( data == NULL ) { free_local_pdev(pdev); @@ -3338,9 +3284,9 @@ freemem_and_return: if( copy_from_user(data, (char __user *)(unsigned long) uxferaddr, uioc.xferlen) ) { - pci_free_consistent(pdev, - uioc.xferlen, - data, data_dma_hndl); + dma_free_coherent(&pdev->dev, + uioc.xferlen, data, + data_dma_hndl); free_local_pdev(pdev); @@ -3361,9 +3307,9 @@ freemem_and_return: if( rval ) { if( uioc.xferlen ) { - pci_free_consistent(pdev, - uioc.xferlen, data, - data_dma_hndl); + dma_free_coherent(&pdev->dev, + uioc.xferlen, data, + data_dma_hndl); } free_local_pdev(pdev); @@ -3383,9 +3329,8 @@ freemem_and_return: } if( uioc.xferlen ) { - pci_free_consistent(pdev, - uioc.xferlen, data, - data_dma_hndl); + dma_free_coherent(&pdev->dev, uioc.xferlen, + data, data_dma_hndl); } free_local_pdev(pdev); @@ -3414,8 +3359,8 @@ megadev_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) /** * mega_m_to_n() - * @arg - user address - * @uioc - new ioctl structure + * @arg: user address + * @uioc: new ioctl structure * * A thin layer to convert older mimd interface ioctl structure to NIT ioctl * structure @@ -3542,8 +3487,8 @@ mega_m_to_n(void __user *arg, nitioctl_t *uioc) /* * mega_n_to_m() - * @arg - user address - * @mc - mailbox command + * @arg: user address + * @mc: mailbox command * * Updates the status information to the application, depending on application * conforms to older mimd ioctl interface or newer NIT ioctl interface @@ -3609,30 +3554,26 @@ mega_n_to_m(void __user *arg, megacmd_t *mc) /** * mega_is_bios_enabled() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * issue command to find out if the BIOS is enabled for this controller */ static int mega_is_bios_enabled(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; - int ret; - - mbox = (mbox_t *)raw_mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; raw_mbox[0] = IS_BIOS_ENABLED; raw_mbox[2] = GET_BIOS; - - ret = issue_scb_block(adapter, raw_mbox); + issue_scb_block(adapter, raw_mbox); return *(char *)adapter->mega_buffer; } @@ -3640,7 +3581,7 @@ mega_is_bios_enabled(adapter_t *adapter) /** * mega_enum_raid_scsi() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out what channels are RAID/SCSI. This information is used to * differentiate the virtual channels and physical channels and to support @@ -3649,13 +3590,11 @@ mega_is_bios_enabled(adapter_t *adapter) static void mega_enum_raid_scsi(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int i; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command to find out what channels are raid/scsi @@ -3665,7 +3604,7 @@ mega_enum_raid_scsi(adapter_t *adapter) memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; /* * Non-ROMB firmware fail this command, so all channels @@ -3695,7 +3634,7 @@ mega_enum_raid_scsi(adapter_t *adapter) /** * mega_get_boot_drv() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out which device is the boot device. Note, any logical drive or any * phyical device (e.g., a CDROM) can be designated as a boot device. @@ -3704,23 +3643,21 @@ static void mega_get_boot_drv(adapter_t *adapter) { struct private_bios_data *prv_bios_data; - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; u16 cksum = 0; u8 *cksum_p; u8 boot_pdrv; int i; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); raw_mbox[0] = BIOS_PVT_DATA; raw_mbox[2] = GET_BIOS_PVT_DATA; memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; adapter->boot_ldrv_enabled = 0; adapter->boot_ldrv = 0; @@ -3762,7 +3699,7 @@ mega_get_boot_drv(adapter_t *adapter) /** * mega_support_random_del() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out if this controller supports random deletion and addition of * logical drives @@ -3770,13 +3707,11 @@ mega_get_boot_drv(adapter_t *adapter) static int mega_support_random_del(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int rval; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command @@ -3792,20 +3727,18 @@ mega_support_random_del(adapter_t *adapter) /** * mega_support_ext_cdb() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out if this firmware support cdblen > 10 */ static int mega_support_ext_cdb(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int rval; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command to find out if controller supports extended CDBs. */ @@ -3820,8 +3753,8 @@ mega_support_ext_cdb(adapter_t *adapter) /** * mega_del_logdrv() - * @adapter - pointer to our soft state - * @logdrv - logical drive to be deleted + * @adapter: pointer to our soft state + * @logdrv: logical drive to be deleted * * Delete the specified logical drive. It is the responsibility of the user * app to let the OS know about this operation. @@ -3906,7 +3839,7 @@ mega_do_del_logdrv(adapter_t *adapter, int logdrv) /** * mega_get_max_sgl() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out the maximum number of scatter-gather elements supported by this * version of the firmware @@ -3914,16 +3847,14 @@ mega_do_del_logdrv(adapter_t *adapter, int logdrv) static void mega_get_max_sgl(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; - - mbox = (mbox_t *)raw_mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - memset(mbox, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; raw_mbox[0] = MAIN_MISC_OPCODE; raw_mbox[2] = GET_MAX_SG_SUPPORT; @@ -3937,7 +3868,7 @@ mega_get_max_sgl(adapter_t *adapter) } else { adapter->sglen = *((char *)adapter->mega_buffer); - + /* * Make sure this is not more than the resources we are * planning to allocate @@ -3952,23 +3883,21 @@ mega_get_max_sgl(adapter_t *adapter) /** * mega_support_cluster() - * @adapter - pointer to our soft state + * @adapter: pointer to our soft state * * Find out if this firmware support cluster calls. */ static int mega_support_cluster(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - mbox = (mbox_t *)raw_mbox; - - memset(mbox, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; /* * Try to get the initiator id. This command will succeed iff the @@ -3994,8 +3923,8 @@ mega_support_cluster(adapter_t *adapter) #ifdef CONFIG_PROC_FS /** * mega_adapinq() - * @adapter - pointer to our soft state - * @dma_handle - DMA address of the buffer + * @adapter: pointer to our soft state + * @dma_handle: DMA address of the buffer * * Issue internal commands while interrupts are available. * We only issue direct mailbox commands from within the driver. ioctl() @@ -4027,11 +3956,12 @@ mega_adapinq(adapter_t *adapter, dma_addr_t dma_handle) } -/** mega_internal_dev_inquiry() - * @adapter - pointer to our soft state - * @ch - channel for this device - * @tgt - ID of this device - * @buf_dma_handle - DMA address of the buffer +/** + * mega_internal_dev_inquiry() + * @adapter: pointer to our soft state + * @ch: channel for this device + * @tgt: ID of this device + * @buf_dma_handle: DMA address of the buffer * * Issue the scsi inquiry for the specified device. */ @@ -4052,8 +3982,8 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt, */ if( make_local_pdev(adapter, &pdev) != 0 ) return -1; - pthru = pci_alloc_consistent(pdev, sizeof(mega_passthru), - &pthru_dma_handle); + pthru = dma_alloc_coherent(&pdev->dev, sizeof(mega_passthru), + &pthru_dma_handle, GFP_KERNEL); if( pthru == NULL ) { free_local_pdev(pdev); @@ -4089,8 +4019,8 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt, rval = mega_internal_command(adapter, &mc, pthru); - pci_free_consistent(pdev, sizeof(mega_passthru), pthru, - pthru_dma_handle); + dma_free_coherent(&pdev->dev, sizeof(mega_passthru), pthru, + pthru_dma_handle); free_local_pdev(pdev); @@ -4100,9 +4030,9 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt, /** * mega_internal_command() - * @adapter - pointer to our soft state - * @mc - the mailbox command - * @pthru - Passthru structure for DCDB commands + * @adapter: pointer to our soft state + * @mc: the mailbox command + * @pthru: Passthru structure for DCDB commands * * Issue the internal commands in interrupt mode. * The last argument is the address of the passthru structure if the command @@ -4166,7 +4096,7 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru) return rval; } -static struct scsi_host_template megaraid_template = { +static const struct scsi_host_template megaraid_template = { .module = THIS_MODULE, .name = "MegaRAID", .proc_name = "megaraid_legacy", @@ -4178,12 +4108,10 @@ static struct scsi_host_template megaraid_template = { .this_id = DEFAULT_INITIATOR_ID, .sg_tablesize = MAX_SGLIST, .cmd_per_lun = DEF_CMD_PER_LUN, - .use_clustering = ENABLE_CLUSTERING, .eh_abort_handler = megaraid_abort, - .eh_device_reset_handler = megaraid_reset, - .eh_bus_reset_handler = megaraid_reset, .eh_host_reset_handler = megaraid_reset, .no_write_same = 1, + .cmd_size = sizeof(struct megaraid_cmd_priv), }; static int @@ -4197,6 +4125,9 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) int irq, i, j; int error = -ENODEV; + if (hba_count >= MAX_CONTROLLERS) + goto out; + if (pci_enable_device(pdev)) goto out; pci_set_master(pdev); @@ -4216,11 +4147,11 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) */ if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ && pdev->subsystem_device == 0xC000) - return -ENODEV; + goto out_disable_device; /* Now check the magic signature byte */ pci_read_config_word(pdev, PCI_CONF_AMISIG, &magic); if (magic != HBA_SIGNATURE_471 && magic != HBA_SIGNATURE) - return -ENODEV; + goto out_disable_device; /* Ok it is probably a megaraid */ } @@ -4313,14 +4244,17 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* * Allocate buffer to issue internal commands. */ - adapter->mega_buffer = pci_alloc_consistent(adapter->dev, - MEGA_BUFFER_SIZE, &adapter->buf_dma_handle); + adapter->mega_buffer = dma_alloc_coherent(&adapter->dev->dev, + MEGA_BUFFER_SIZE, + &adapter->buf_dma_handle, + GFP_KERNEL); if (!adapter->mega_buffer) { dev_warn(&pdev->dev, "out of RAM\n"); goto out_host_put; } - adapter->scb_list = kmalloc(sizeof(scb_t) * MAX_COMMANDS, GFP_KERNEL); + adapter->scb_list = kmalloc_array(MAX_COMMANDS, sizeof(scb_t), + GFP_KERNEL); if (!adapter->scb_list) { dev_warn(&pdev->dev, "out of RAM\n"); goto out_free_cmd_buffer; @@ -4472,10 +4406,10 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Set the Mode of addressing to 64 bit if we can */ if ((adapter->flag & BOARD_64BIT) && (sizeof(dma_addr_t) == 8)) { - pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); adapter->has_64bit_addr = 1; } else { - pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); adapter->has_64bit_addr = 0; } @@ -4514,15 +4448,15 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) return 0; out_free_mbox: - pci_free_consistent(adapter->dev, sizeof(mbox64_t), - adapter->una_mbox64, adapter->una_mbox64_dma); + dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t), + adapter->una_mbox64, adapter->una_mbox64_dma); out_free_irq: free_irq(adapter->host->irq, adapter); out_free_scb_list: kfree(adapter->scb_list); out_free_cmd_buffer: - pci_free_consistent(adapter->dev, MEGA_BUFFER_SIZE, - adapter->mega_buffer, adapter->buf_dma_handle); + dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE, + adapter->mega_buffer, adapter->buf_dma_handle); out_host_put: scsi_host_put(host); out_iounmap: @@ -4578,6 +4512,7 @@ megaraid_remove_one(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); adapter_t *adapter = (adapter_t *)host->hostdata; + char buf[12] = { 0 }; scsi_remove_host(host); @@ -4592,50 +4527,14 @@ megaraid_remove_one(struct pci_dev *pdev) mega_free_sgl(adapter); -#ifdef CONFIG_PROC_FS - if (adapter->controller_proc_dir_entry) { - remove_proc_entry("stat", adapter->controller_proc_dir_entry); - remove_proc_entry("config", - adapter->controller_proc_dir_entry); - remove_proc_entry("mailbox", - adapter->controller_proc_dir_entry); -#if MEGA_HAVE_ENH_PROC - remove_proc_entry("rebuild-rate", - adapter->controller_proc_dir_entry); - remove_proc_entry("battery-status", - adapter->controller_proc_dir_entry); - - remove_proc_entry("diskdrives-ch0", - adapter->controller_proc_dir_entry); - remove_proc_entry("diskdrives-ch1", - adapter->controller_proc_dir_entry); - remove_proc_entry("diskdrives-ch2", - adapter->controller_proc_dir_entry); - remove_proc_entry("diskdrives-ch3", - adapter->controller_proc_dir_entry); - - remove_proc_entry("raiddrives-0-9", - adapter->controller_proc_dir_entry); - remove_proc_entry("raiddrives-10-19", - adapter->controller_proc_dir_entry); - remove_proc_entry("raiddrives-20-29", - adapter->controller_proc_dir_entry); - remove_proc_entry("raiddrives-30-39", - adapter->controller_proc_dir_entry); -#endif - { - char buf[12] = { 0 }; - sprintf(buf, "hba%d", adapter->host->host_no); - remove_proc_entry(buf, mega_proc_dir_entry); - } - } -#endif + sprintf(buf, "hba%d", adapter->host->host_no); + remove_proc_subtree(buf, mega_proc_dir_entry); - pci_free_consistent(adapter->dev, MEGA_BUFFER_SIZE, - adapter->mega_buffer, adapter->buf_dma_handle); + dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE, + adapter->mega_buffer, adapter->buf_dma_handle); kfree(adapter->scb_list); - pci_free_consistent(adapter->dev, sizeof(mbox64_t), - adapter->una_mbox64, adapter->una_mbox64_dma); + dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t), + adapter->una_mbox64, adapter->una_mbox64_dma); scsi_host_put(host); pci_disable_device(pdev); @@ -4652,7 +4551,7 @@ megaraid_shutdown(struct pci_dev *pdev) __megaraid_shutdown(adapter); } -static struct pci_device_id megaraid_pci_tbl[] = { +static const struct pci_device_id megaraid_pci_tbl[] = { {PCI_VENDOR_ID_AMI, PCI_DEVICE_ID_AMI_MEGARAID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {PCI_VENDOR_ID_AMI, PCI_DEVICE_ID_AMI_MEGARAID2, @@ -4702,7 +4601,7 @@ static int __init megaraid_init(void) * major number allocation. */ major = register_chrdev(0, "megadev_legacy", &megadev_fops); - if (!major) { + if (major < 0) { printk(KERN_WARNING "megaraid: failed to register char device\n"); } |