diff options
| -rw-r--r-- | Documentation/scsi/ChangeLog.arcmsr | 41 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 4 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 87 |
3 files changed, 105 insertions, 27 deletions
diff --git a/Documentation/scsi/ChangeLog.arcmsr b/Documentation/scsi/ChangeLog.arcmsr index cd8403a..de2bcac 100644 --- a/Documentation/scsi/ChangeLog.arcmsr +++ b/Documentation/scsi/ChangeLog.arcmsr @@ -68,4 +68,45 @@ ** 2. modify the arcmsr_pci_slot_reset function ** 3. modify the arcmsr_pci_ers_disconnect_forepart function ** 4. modify the arcmsr_pci_ers_need_reset_forepart function +** 1.20.00.15 09/27/2007 Erich Chen & Nick Cheng +** 1. add arcmsr_enable_eoi_mode() on adapter Type B +** 2. add readl(reg->iop2drv_doorbell_reg) in arcmsr_handle_hbb_isr() +** in case of the doorbell interrupt clearance is cached +** 1.20.00.15 10/01/2007 Erich Chen & Nick Cheng +** 1. modify acb->devstate[i][j] +** as ARECA_RAID_GOOD instead of +** ARECA_RAID_GONE in arcmsr_alloc_ccb_pool +** 1.20.00.15 11/06/2007 Erich Chen & Nick Cheng +** 1. add conditional declaration for +** arcmsr_pci_error_detected() and +** arcmsr_pci_slot_reset +** 1.20.00.15 11/23/2007 Erich Chen & Nick Cheng +** 1.check if the sg list member number +** exceeds arcmsr default limit in arcmsr_build_ccb() +** 2.change the returned value type of arcmsr_build_ccb() +** from "void" to "int" +** 3.add the conditional check if arcmsr_build_ccb() +** returns FAILED +** 1.20.00.15 12/04/2007 Erich Chen & Nick Cheng +** 1. modify arcmsr_drain_donequeue() to ignore unknown +** command and let kernel process command timeout. +** This could handle IO request violating max. segments +** while Linux XFS over DM-CRYPT. +** Thanks to Milan Broz's comments <mbroz@redhat.com> +** 1.20.00.15 12/24/2007 Erich Chen & Nick Cheng +** 1.fix the portability problems +** 2.fix type B where we should _not_ iounmap() acb->pmu; +** it's not ioremapped. +** 3.add return -ENOMEM if ioremap() fails +** 4.transfer IS_SG64_ADDR w/ cpu_to_le32() +** in arcmsr_build_ccb +** 5. modify acb->devstate[i][j] as ARECA_RAID_GONE instead of +** ARECA_RAID_GOOD in arcmsr_alloc_ccb_pool() +** 6.fix arcmsr_cdb->Context as (unsigned long)arcmsr_cdb +** 7.add the checking state of +** (outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT) == 0 +** in arcmsr_handle_hba_isr +** 8.replace pci_alloc_consistent()/pci_free_consistent() with kmalloc()/kfree() in arcmsr_iop_message_xfer() +** 9. fix the release of dma memory for type B in arcmsr_free_ccb_pool() +** 10.fix the arcmsr_polling_hbb_ccbdone() ************************************************************************** diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index a67e29f..5778650 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -48,7 +48,7 @@ struct class_device_attribute; /*The limit of outstanding scsi command that firmware can handle*/ #define ARCMSR_MAX_OUTSTANDING_CMD 256 #define ARCMSR_MAX_FREECCB_NUM 320 -#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2007/08/30" +#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2007/12/24" #define ARCMSR_SCSI_INITIATOR_ID 255 #define ARCMSR_MAX_XFER_SECTORS 512 #define ARCMSR_MAX_XFER_SECTORS_B 4096 @@ -248,6 +248,7 @@ struct FIRMWARE_INFO #define ARCMSR_MESSAGE_START_BGRB 0x00060008 #define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008 #define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008 +#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE 0x00100008 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */ #define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000 /* ioctl transfer */ @@ -256,6 +257,7 @@ struct FIRMWARE_INFO #define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002 #define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004 #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008 +#define ARCMSR_DRV2IOP_END_OF_INTERRUPT 0x00000010 /* data tunnel buffer between user space program and its firmware */ /* user space data to iop 128bytes */ diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index f4a202e..4f9ff32 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -315,9 +315,6 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); } - reg = (struct MessageUnit_B *)(dma_coherent + - ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock)); - dma_addr = dma_coherent_handle; ccb_tmp = (struct CommandControlBlock *)dma_coherent; for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { @@ -371,8 +368,8 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) out: dma_free_coherent(&acb->pdev->dev, - ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20, - acb->dma_coherent, acb->dma_coherent_handle); + (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 + + sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle); return -ENOMEM; } @@ -509,6 +506,7 @@ static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN , reg->iop2drv_doorbell_reg); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); return 0x00; } msleep(10); @@ -748,6 +746,7 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla , ccb->startdone , atomic_read(&acb->ccboutstandingcount)); } + else arcmsr_report_ccb_state(acb, ccb, flag_ccb); } @@ -886,7 +885,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \ } } -static void arcmsr_build_ccb(struct AdapterControlBlock *acb, +static int arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; @@ -906,6 +905,8 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb, memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); nseg = scsi_dma_map(pcmd); + if (nseg > ARCMSR_MAX_SG_ENTRIES) + return FAILED; BUG_ON(nseg < 0); if (nseg) { @@ -946,6 +947,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb, arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; ccb->ccb_flags |= CCB_FLAG_WRITE; } + return SUCCESS; } static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) @@ -1036,18 +1038,22 @@ static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { iounmap(acb->pmuA); + dma_free_coherent(&acb->pdev->dev, + ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20, + acb->dma_coherent, + acb->dma_coherent_handle); break; } case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; iounmap(reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL); iounmap(reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER); + dma_free_coherent(&acb->pdev->dev, + (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 + + sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle); } } - dma_free_coherent(&acb->pdev->dev, - ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20, - acb->dma_coherent, - acb->dma_coherent_handle); + } void arcmsr_iop_message_read(struct AdapterControlBlock *acb) @@ -1273,7 +1279,9 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) return 1; writel(~outbound_doorbell, reg->iop2drv_doorbell_reg); - + /*in case the last action of doorbell interrupt clearance is cached, this action can push HW to write down the clear bit*/ + readl(reg->iop2drv_doorbell_reg); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { arcmsr_iop2drv_data_wrote_handle(acb); } @@ -1380,12 +1388,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ case ARCMSR_MESSAGE_READ_RQBUFFER: { unsigned long *ver_addr; - dma_addr_t buf_handle; uint8_t *pQbuffer, *ptmpQbuffer; int32_t allxfer_len = 0; + void *tmp; - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { + tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA); + ver_addr = (unsigned long *)tmp; + if (!tmp) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } @@ -1421,18 +1430,19 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr, allxfer_len); pcmdmessagefld->cmdmessage.Length = allxfer_len; pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); + kfree(tmp); } break; case ARCMSR_MESSAGE_WRITE_WQBUFFER: { unsigned long *ver_addr; - dma_addr_t buf_handle; int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; uint8_t *pQbuffer, *ptmpuserbuffer; + void *tmp; - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { + tmp = kmalloc(1032, GFP_KERNEL|GFP_DMA); + ver_addr = (unsigned long *)tmp; + if (!tmp) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } @@ -1482,7 +1492,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \ retvalue = ARCMSR_MESSAGE_FAIL; } } - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); + kfree(tmp); } break; @@ -1682,8 +1692,11 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd, ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; - - arcmsr_build_ccb(acb, ccb, cmd); + if ( arcmsr_build_ccb( acb, ccb, cmd ) == FAILED ) { + cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); + cmd->scsi_done(cmd); + return 0; + } arcmsr_post_ccb(acb, ccb); return 0; } @@ -1844,7 +1857,7 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, } } -static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, \ +static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { struct MessageUnit_B *reg = acb->pmuB; @@ -1878,7 +1891,7 @@ static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, \ (acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ poll_ccb_done = (ccb == poll_ccb) ? 1:0; if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if (ccb->startdone == ARCMSR_CCB_ABORTED) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { printk(KERN_NOTICE "arcmsr%d: \ scsi id = %d lun = %d ccb = '0x%p' poll command abort successfully \n" ,acb->host->host_no @@ -1901,7 +1914,7 @@ static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, \ } /*drain reply FIFO*/ } -static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, \ +static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { switch (acb->adapter_type) { @@ -2026,6 +2039,7 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) do { firmware_state = readl(reg->iop2drv_doorbell_reg); } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg); } break; } @@ -2090,19 +2104,39 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) } } +static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + return; + case ACB_ADAPTER_TYPE_B: + { + struct MessageUnit_B *reg = acb->pmuB; + writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell_reg); + if(arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); + return; + } + } + break; + } + return; +} + static void arcmsr_iop_init(struct AdapterControlBlock *acb) { uint32_t intmask_org; - arcmsr_wait_firmware_ready(acb); - arcmsr_iop_confirm(acb); /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_wait_firmware_ready(acb); + arcmsr_iop_confirm(acb); arcmsr_get_firmware_spec(acb); /*start background rebuild*/ arcmsr_start_adapter_bgrb(acb); /* empty doorbell Qbuffer if door bell ringed */ arcmsr_clear_doorbell_queue_buffer(acb); + arcmsr_enable_eoi_mode(acb); /* enable outbound Post Queue,outbound doorbell Interrupt */ arcmsr_enable_outbound_ints(acb, intmask_org); acb->acb_flags |= ACB_F_IOP_INITED; @@ -2275,6 +2309,7 @@ static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev) arcmsr_start_adapter_bgrb(acb); /* empty doorbell Qbuffer if door bell ringed */ arcmsr_clear_doorbell_queue_buffer(acb); + arcmsr_enable_eoi_mode(acb); /* enable outbound Post Queue,outbound doorbell Interrupt */ arcmsr_enable_outbound_ints(acb, intmask_org); acb->acb_flags |= ACB_F_IOP_INITED; |
