diff -Naurp --ignore-blank-lines --ignore-all-space --ignore-space-change linux-2.6/drivers/scsi/arcmsr.1.20.00.15-91209/arcmsr.h linux-2.6/drivers/scsi/arcmsr.1.20.00.15-100202/arcmsr.h --- linux-2.6/drivers/scsi/arcmsr.1.20.00.15-91209/arcmsr.h 2010-05-03 14:32:42.000000000 +0800 +++ linux-2.6/drivers/scsi/arcmsr.1.20.00.15-100202/arcmsr.h 2010-05-03 14:28:18.000000000 +0800 @@ -48,7 +47,7 @@ struct 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 2009/12/09" +#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2010/02/02" #define ARCMSR_SCSI_INITIATOR_ID 255 #define ARCMSR_MAX_XFER_SECTORS 512 #define ARCMSR_MAX_XFER_SECTORS_B 4096 @@ -61,6 +60,7 @@ struct device_attribute; #define ARCMSR_MAX_HBB_POSTQUEUE 264 #define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */ #define ARCMSR_CDB_SG_PAGE_LENGTH 256 +#define SCSI_CMD_ARECA_SPECIFIC 0xE1 #ifndef PCI_DEVICE_ID_ARECA_1880 #define PCI_DEVICE_ID_ARECA_1880 0x1880 #endif @@ -212,11 +212,15 @@ struct FIRMWARE_INFO #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE 0x80000000 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS 0x40000000 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS 0x40000000 -#define ARCMSR_CCBREPLY_FLAG_ERROR 0x10000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0 0x10000000 +#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1 0x00000001 /* outbound firmware ok */ #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 /* ARC-1680 Bus Reset*/ #define ARCMSR_ARC1680_BUS_RESET 0x00000003 +/* ARC-1880 Bus Reset*/ +#define ARCMSR_ARC1880_RESET_ADAPTER 0x00000024 +#define ARCMSR_ARC1880_DiagWrite_ENABLE 0x00000080 /* ************************************************************************ @@ -274,6 +278,61 @@ struct FIRMWARE_INFO /* iop message_rwbuffer for message command */ #define ARCMSR_MESSAGE_RWBUFFER 0x0000fa00 /* +************************************************************************ +** SPEC. for Areca HBC adapter +************************************************************************ +*/ +#define ARCMSR_HBC_ISR_THROTTLING_LEVEL 12 +#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE 20 +/* Host Interrupt Mask */ +#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK 0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/ +#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/ +#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK 0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/ +#define ARCMSR_HBCMU_ALL_INTMASKENABLE 0x0000000D /* disable all ISR */ +/* Host Interrupt Status */ +#define ARCMSR_HBCMU_UTILITY_A_ISR 0x00000001 + /* + ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register. + ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled). + */ +#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR 0x00000004 + /* + ** Set if Outbound Doorbell register bits 30:1 have a non-zero + ** value. This bit clears only when Outbound Doorbell bits + ** 30:1 are ALL clear. Only a write to the Outbound Doorbell + ** Clear register clears bits in the Outbound Doorbell register. + */ +#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR 0x00000008 + /* + ** Set whenever the Outbound Post List Producer/Consumer + ** Register (FIFO) is not empty. It clears when the Outbound + ** Post List FIFO is empty. + */ +#define ARCMSR_HBCMU_SAS_ALL_INT 0x00000010 + /* + ** This bit indicates a SAS interrupt from a source external to + ** the PCIe core. This bit is not maskable. + */ + /* DoorBell*/ +#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK 0x00000002 +#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK 0x00000004 + /*inbound message 0 ready*/ +#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008 + /*more than 12 request completed in a time*/ +#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING 0x00000010 +#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK 0x00000002 + /*outbound DATA WRITE isr door bell clear*/ +#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR 0x00000002 +#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK 0x00000004 + /*outbound DATA READ isr door bell clear*/ +#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR 0x00000004 + /*outbound message 0 ready*/ +#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE 0x00000008 + /*outbound message cmd isr door bell clear*/ +#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR 0x00000008 + /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/ +#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000 +/* ******************************************************************************* ** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504) ******************************************************************************* @@ -310,7 +369,7 @@ struct ARCMSR_CDB struct SG32ENTRY sg32entry[1]; struct SG64ENTRY sg64entry[1]; } u; -} __attribute__ ((packed)); +}; /* ******************************************************************************* ** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor @@ -356,7 +415,81 @@ struct MessageUnit_B uint32_t __iomem *message_wbuffer; uint32_t __iomem *message_rbuffer; }; - +/* +********************************************************************* +** LSI +********************************************************************* +*/ +struct MessageUnit_C{ + uint32_t message_unit_status; /*0000 0003*/ + uint32_t slave_error_attribute; /*0004 0007*/ + uint32_t slave_error_address; /*0008 000B*/ + uint32_t posted_outbound_doorbell; /*000C 000F*/ + uint32_t master_error_attribute; /*0010 0013*/ + uint32_t master_error_address_low; /*0014 0017*/ + uint32_t master_error_address_high; /*0018 001B*/ + uint32_t hcb_size; /*001C 001F*/ + uint32_t inbound_doorbell; /*0020 0023*/ + uint32_t diagnostic_rw_data; /*0024 0027*/ + uint32_t diagnostic_rw_address_low; /*0028 002B*/ + uint32_t diagnostic_rw_address_high; /*002C 002F*/ + uint32_t host_int_status; /*0030 0033*/ + uint32_t host_int_mask; /*0034 0037*/ + uint32_t dcr_data; /*0038 003B*/ + uint32_t dcr_address; /*003C 003F*/ + uint32_t inbound_queueport; /*0040 0043*/ + uint32_t outbound_queueport; /*0044 0047*/ + uint32_t hcb_pci_address_low; /*0048 004B*/ + uint32_t hcb_pci_address_high; /*004C 004F*/ + uint32_t iop_int_status; /*0050 0053*/ + uint32_t iop_int_mask; /*0054 0057*/ + uint32_t iop_inbound_queue_port; /*0058 005B*/ + uint32_t iop_outbound_queue_port; /*005C 005F*/ + uint32_t inbound_free_list_index; /*0060 0063*/ + uint32_t inbound_post_list_index; /*0064 0067*/ + uint32_t outbound_free_list_index; /*0068 006B*/ + uint32_t outbound_post_list_index; /*006C 006F*/ + uint32_t inbound_doorbell_clear; /*0070 0073*/ + uint32_t i2o_message_unit_control; /*0074 0077*/ + uint32_t last_used_message_source_address_low; /*0078 007B*/ + uint32_t last_used_message_source_address_high; /*007C 007F*/ + uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/ + uint32_t message_dest_address_index; /*0090 0093*/ + uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/ + uint32_t utility_A_int_counter_timer; /*0098 009B*/ + uint32_t outbound_doorbell; /*009C 009F*/ + uint32_t outbound_doorbell_clear; /*00A0 00A3*/ + uint32_t message_source_address_index; /*00A4 00A7*/ + uint32_t message_done_queue_index; /*00A8 00AB*/ + uint32_t reserved0; /*00AC 00AF*/ + uint32_t inbound_msgaddr0; /*00B0 00B3*/ + uint32_t inbound_msgaddr1; /*00B4 00B7*/ + uint32_t outbound_msgaddr0; /*00B8 00BB*/ + uint32_t outbound_msgaddr1; /*00BC 00BF*/ + uint32_t inbound_queueport_low; /*00C0 00C3*/ + uint32_t inbound_queueport_high; /*00C4 00C7*/ + uint32_t outbound_queueport_low; /*00C8 00CB*/ + uint32_t outbound_queueport_high; /*00CC 00CF*/ + uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/ + uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/ + uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/ + uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/ + uint32_t message_dest_queue_port_low; /*00E0 00E3*/ + uint32_t message_dest_queue_port_high; /*00E4 00E7*/ + uint32_t last_used_message_dest_address_low; /*00E8 00EB*/ + uint32_t last_used_message_dest_address_high; /*00EC 00EF*/ + uint32_t message_done_queue_base_address_low; /*00F0 00F3*/ + uint32_t message_done_queue_base_address_high; /*00F4 00F7*/ + uint32_t host_diagnostic; /*00F8 00FB*/ + uint32_t write_sequence; /*00FC 00FF*/ + uint32_t reserved1[34]; /*0100 0187*/ + uint32_t reserved2[1950]; /*0188 1FFF*/ + uint32_t message_wbuffer[32]; /*2000 207F*/ + uint32_t reserved3[32]; /*2080 20FF*/ + uint32_t message_rbuffer[32]; /*2100 217F*/ + uint32_t reserved4[32]; /*2180 21FF*/ + uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/ +}; /* ******************************************************************************* ** Adapter Control Block @@ -374,11 +507,14 @@ struct AdapterControlBlock unsigned long vir2phy_offset; /* Offset is used in making arc cdb physical to virtual calculations */ uint32_t outbound_int_enable; + uint32_t cdb_phyaddr_hi32; + uint32_t reg_mu_acc_handle0; spinlock_t eh_lock; spinlock_t ccblist_lock; union { struct MessageUnit_A __iomem * pmuA; struct MessageUnit_B * pmuB; + struct MessageUnit_C __iomem *pmuC; }; /* message unit ATU inbound base address0 */ void __iomem *mem_base0; @@ -399,6 +535,8 @@ struct AdapterControlBlock /* message clear rqbuffer */ #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 #define ACB_F_BUS_RESET 0x0080 + #define ACB_F_BUS_HANG_ON 0x0800/* need hardware reset bus */ + #define ACB_F_IOP_INITED 0x0100 /* iop init */ #define ACB_F_ABORT 0x0200 @@ -460,13 +598,13 @@ struct AdapterControlBlock ** this CCB length must be 32 bytes boundary ******************************************************************************* */ -struct CommandControlBlock -{ +struct CommandControlBlock{ /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ struct list_head list; /*x32: 8byte, x64: 16byte*/ struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */ struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/ - uint32_t shifted_cdb_phyaddr; /*x32: 4byte, x64: 4byte*/ + uint32_t cdb_phyaddr_pattern; /*x32: 4byte, x64: 4byte*/ + uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/ uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/ #define CCB_FLAG_READ 0x0000 #define CCB_FLAG_WRITE 0x0001 @@ -480,10 +618,10 @@ struct CommandControlBlock #define ARCMSR_CCB_ILLEGAL 0xFFFF #if BITS_PER_LONG == 64 /* ======================512+64 bytes======================== */ - uint32_t reserved[6]; /*24 byte*/ + uint32_t reserved[5]; /*24 byte*/ #else /* ======================512+32 bytes======================== */ - uint32_t reserved[2]; /*8 byte*/ + uint32_t reserved; /*8 byte*/ #endif /* ======================================================= */ struct ARCMSR_CDB arcmsr_cdb; diff -Naurp --ignore-blank-lines --ignore-all-space --ignore-space-change linux-2.6/drivers/scsi/arcmsr.1.20.00.15-91209/arcmsr_hba.c linux-2.6/drivers/scsi/arcmsr.1.20.00.15-100202/arcmsr_hba.c --- linux-2.6/drivers/scsi/arcmsr.1.20.00.15-91209/arcmsr_hba.c 2010-05-03 15:29:18.000000000 +0800 +++ linux-2.6/drivers/scsi/arcmsr.1.20.00.15-100202/arcmsr_hba.c 2010-05-03 15:32:12.000000000 +0800 @@ -71,11 +71,11 @@ #include #include "arcmsr.h" MODULE_AUTHOR("Nick Cheng "); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx) SATA/SAS RAID Host Bus Adapter"); +MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); -static int sleeptime = 20; -static int retrycount = 12; +static int sleeptime = 10; +static int retrycount = 30; wait_queue_head_t wait_q; static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); @@ -99,10 +99,12 @@ static void arcmsr_flush_hbb_cache(struc static void arcmsr_request_device_map(unsigned long pacb); static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb); static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb); +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb); static void arcmsr_message_isr_bh_fn(struct work_struct *work); static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); - +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB); +static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, @@ -119,7 +121,7 @@ static int arcmsr_adjust_disk_queue_dept static struct scsi_host_template arcmsr_scsi_host_template = { .module = THIS_MODULE, - .name = "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter" + .name = "ARCMSR ARECA SATA/SAS RAID Controller" ARCMSR_DRIVER_VERSION, .info = arcmsr_info, .queuecommand = arcmsr_queue_command, @@ -178,17 +180,40 @@ static struct pci_driver arcmsr_pci_driv .err_handler = &arcmsr_pci_error_handlers, #endif }; +/* +**************************************************************************** +**************************************************************************** +*/ +int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *shost = NULL; + int i, isleep; + shost = cmd->device->host; + isleep = sleeptime / 10; + if (isleep > 0) { + for (i = 0; i < isleep; i++) { + msleep(10000); + } + } -static void arcmsr_free_mu(struct AdapterControlBlock *acb) + isleep = sleeptime % 10; + if (isleep > 0) { + msleep(isleep*1000); + } + printk(KERN_NOTICE "wake-up\n"); + return 0; +} + +static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: + case ACB_ADAPTER_TYPE_C: break; case ACB_ADAPTER_TYPE_B:{ - struct MessageUnit_B *reg = acb->pmuB; dma_free_coherent(&acb->pdev->dev, sizeof(struct MessageUnit_B), - reg, acb->dma_coherent_handle_hbb_mu); + acb->pmuB, acb->dma_coherent_handle_hbb_mu); } } } @@ -221,6 +245,19 @@ static bool arcmsr_remap_pciregion(struc } acb->mem_base0 = mem_base0; acb->mem_base1 = mem_base1; + break; + } + case ACB_ADAPTER_TYPE_C:{ + acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); + if (!acb->pmuC) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ + return true; + } + break; } } return true; @@ -232,10 +269,16 @@ static void arcmsr_unmap_pciregion(struc case ACB_ADAPTER_TYPE_A:{ iounmap(acb->pmuA); } + break; case ACB_ADAPTER_TYPE_B:{ iounmap(acb->mem_base0); iounmap(acb->mem_base1); } + + break; + case ACB_ADAPTER_TYPE_C:{ + iounmap(acb->pmuC); + } } } @@ -283,6 +326,10 @@ static void arcmsr_define_adapter_type(s pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); acb->dev_id = dev_id; switch (dev_id) { + case 0x1880: { + acb->adapter_type = ACB_ADAPTER_TYPE_C; + } + break; case 0x1201 : { acb->adapter_type = ACB_ADAPTER_TYPE_B; } @@ -304,13 +350,13 @@ static uint8_t arcmsr_hba_wait_msgint_re ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); - return 0x00; + return true; } msleep(10); } /*max 1 seconds*/ } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; + return false; } static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) @@ -326,15 +371,32 @@ static uint8_t arcmsr_hbb_wait_msgint_re writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN , reg->iop2drv_doorbell); writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); - return 0x00; + return true; } msleep(10); } /*max 1 seconds*/ } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; + return false; } +static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + unsigned char Retries = 0x00; + uint32_t Index; + do { + for (Index = 0; Index < 100; Index++) { + if (readl(&phbcmu->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &phbcmu->outbound_doorbell_clear);/*clear interrupt*/ + return true; + } + /* one us delay */ + msleep(10); + } /*max 1 seconds*/ + } while (Retries++ < 20); /*max 20 sec*/ + return false; +} static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; @@ -339,10 +401,9 @@ static void arcmsr_flush_hba_cache(struc { struct MessageUnit_A __iomem *reg = acb->pmuA; int retry_count = 30; - writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); do { - if (!arcmsr_hba_wait_msgint_ready(acb)) + if (arcmsr_hba_wait_msgint_ready(acb)) break; else { retry_count--; @@ -356,10 +417,9 @@ static void arcmsr_flush_hbb_cache(struc { struct MessageUnit_B *reg = acb->pmuB; int retry_count = 30; - writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); do { - if (!arcmsr_hbb_wait_msgint_ready(acb)) + if (arcmsr_hbb_wait_msgint_ready(acb)) break; else { retry_count--; @@ -369,6 +429,23 @@ static void arcmsr_flush_hbb_cache(struc } while (retry_count != 0); } +static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */ + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + do { + if (arcmsr_hbc_wait_msgint_ready(pACB)) { + break; + } else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout,retry count down = %d \n", pACB->host->host_no, retry_count); + } + } while (retry_count != 0); + return; +} static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -381,21 +458,22 @@ static void arcmsr_flush_adapter_cache(s case ACB_ADAPTER_TYPE_B: { arcmsr_flush_hbb_cache(acb); } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_flush_hbc_cache(acb); + } } } static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - void *dma_coherent; dma_addr_t dma_coherent_handle; struct CommandControlBlock *ccb_tmp; int i = 0, j = 0; dma_addr_t cdb_phyaddr; - unsigned long roundup_ccbsize = 0; + unsigned long roundup_ccbsize = 0, offset; unsigned long max_xfer_len; unsigned long max_sg_entrys; uint32_t firm_config_version; @@ -408,26 +485,29 @@ static int arcmsr_alloc_ccb_pool(struct max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; firm_config_version = acb->firm_cfg_version; if ((firm_config_version & 0xFF) >= 3) { - max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */ + max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */ max_sg_entrys = (max_xfer_len/4096); } acb->host->max_sectors = max_xfer_len/512; acb->host->sg_tablesize = max_sg_entrys; - roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + max_sg_entrys * sizeof(struct SG64ENTRY), 32); - acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; + roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); + acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM + 32; dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); if (!dma_coherent) { printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no); return -ENOMEM; } - memset(dma_coherent, 0, acb->uncache_size); acb->dma_coherent = dma_coherent; acb->dma_coherent_handle = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)dma_coherent; + memset(dma_coherent, 0, acb->uncache_size); + offset = roundup((unsigned long)dma_coherent, 32) - (unsigned long)dma_coherent; + dma_coherent_handle = dma_coherent_handle + offset; + dma_coherent = (struct CommandControlBlock *)dma_coherent + offset; + ccb_tmp = dma_coherent; acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); - ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5; + ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5)); acb->pccb_pool[i] = ccb_tmp; ccb_tmp->acb = acb; INIT_LIST_HEAD(&ccb_tmp->list); @@ -435,68 +515,9 @@ static int arcmsr_alloc_ccb_pool(struct ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; } - break; - } - case ACB_ADAPTER_TYPE_B: { - - void *dma_coherent; - dma_addr_t dma_coherent_handle; - struct CommandControlBlock *ccb_tmp; - uint32_t cdb_phyaddr; - unsigned int roundup_ccbsize = 0; - unsigned long max_xfer_len; - unsigned long max_sg_entrys; - unsigned long firm_config_version; - unsigned long max_freeccb_num = 0; - int i = 0, j = 0; - - max_freeccb_num = ARCMSR_MAX_FREECCB_NUM; - max_xfer_len = ARCMSR_MAX_XFER_LEN; - max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; - firm_config_version = acb->firm_cfg_version; - if ((firm_config_version & 0xFF) >= 3) { - max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << - ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */ - max_sg_entrys = (max_xfer_len/4096);/* max 4097 sg entry*/ - } - acb->host->max_sectors = max_xfer_len / 512; - acb->host->sg_tablesize = max_sg_entrys; - roundup_ccbsize = roundup(sizeof(struct CommandControlBlock)+ - (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); - acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; - dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, - &dma_coherent_handle, GFP_KERNEL); - - if (!dma_coherent) { - printk(KERN_NOTICE "DMA allocation failed...........................\n"); - return -ENOMEM; - } - memset(dma_coherent, 0, acb->uncache_size); - acb->dma_coherent = dma_coherent; - acb->dma_coherent_handle = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)dma_coherent; - acb->vir2phy_offset = (unsigned long)dma_coherent - - (unsigned long)dma_coherent_handle; - for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ - cdb_phyaddr = dma_coherent_handle + - offsetof(struct CommandControlBlock, arcmsr_cdb); - ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5; - acb->pccb_pool[i] = ccb_tmp; - ccb_tmp->acb = acb; - INIT_LIST_HEAD(&ccb_tmp->list); - list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); - ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + - roundup_ccbsize); - dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; - } - for (i = 0; i < ARCMSR_MAX_TARGETID; i++) - for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) - acb->devstate[i][j] = ARECA_RAID_GONE; - } - break; - } return 0; } + static void arcmsr_message_isr_bh_fn(struct work_struct *work) { struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh); @@ -576,6 +597,43 @@ static void arcmsr_message_isr_bh_fn(str } } } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); + char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) { + diff = (*acb_dev_map)^readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp = *acb_dev_map; + for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if ((temp & 0x01) == 1 && (diff & 0x01) == 1) { + scsi_add_device(acb->host, 0, target, lun); + } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + diff >>= 1; + } + } + devicemap++; + acb_dev_map++; + } + } + } } } @@ -678,7 +735,7 @@ RAID_controller_stop: arcmsr_flush_adapter_cache(acb); arcmsr_free_ccb_pool(acb); free_hbb_mu: - arcmsr_free_mu(acb); + arcmsr_free_hbb_mu(acb); unmap_pci_region: arcmsr_unmap_pciregion(acb); pci_release_regs: @@ -693,15 +750,14 @@ pci_disable_dev: static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) { struct MessageUnit_A __iomem *reg = acb->pmuA; - writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)){ + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'abort all outstanding command' timeout \n" , acb->host->host_no); - return 0xff; + return false; } - return 0x00; + return true; } static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) @@ -709,15 +765,27 @@ static uint8_t arcmsr_abort_hbb_allcmd(s struct MessageUnit_B *reg = acb->pmuB; writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'abort all outstanding command' timeout \n" , acb->host->host_no); - return 0xff; + return false; } - return 0x00; + return true; +} +static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'abort all outstanding command' timeout \n" + , pACB->host->host_no); + return false; + } + return true; } - static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) { uint8_t rtnval = 0; @@ -730,6 +798,11 @@ static uint8_t arcmsr_abort_allcmd(struc case ACB_ADAPTER_TYPE_B: { rtnval = arcmsr_abort_hbb_allcmd(acb); } + break; + + case ACB_ADAPTER_TYPE_C: { + rtnval = arcmsr_abort_hbc_allcmd(acb); + } } return rtnval; } @@ -737,9 +810,8 @@ static uint8_t arcmsr_abort_allcmd(struc static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) { struct MessageUnit_B *reg = pacb->pmuB; - writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(pacb)) { + if (!arcmsr_hbb_wait_msgint_ready(pacb)) { printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); return false; } @@ -762,7 +833,6 @@ static void arcmsr_ccb_complete(struct C atomic_dec(&acb->ccboutstandingcount); arcmsr_pci_unmap_dma(ccb); ccb->startdone = ARCMSR_CCB_DONE; - ccb->ccb_flags = 0; spin_lock_irqsave(&acb->ccblist_lock, flags); list_add_tail(&ccb->list, &acb->ccb_free_list); spin_unlock_irqrestore(&acb->ccblist_lock, flags); @@ -806,14 +873,20 @@ static u32 arcmsr_disable_outbound_ints( writel(0, reg->iop2drv_doorbell_mask); } break; + case ACB_ADAPTER_TYPE_C:{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + /* disable all outbound interrupt */ + orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + } + break; } return orig_mask; } static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, - struct CommandControlBlock *ccb, uint32_t flag_ccb) + struct CommandControlBlock *ccb, bool error) { - uint8_t id, lun; id = ccb->pcmd->device->id; lun = ccb->pcmd->device->lun; @@ -817,7 +890,7 @@ static void arcmsr_report_ccb_state(stru uint8_t id, lun; id = ccb->pcmd->device->id; lun = ccb->pcmd->device->lun; - if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { + if (!error) { if (acb->devstate[id][lun] == ARECA_RAID_GONE) acb->devstate[id][lun] = ARECA_RAID_GOOD; ccb->pcmd->result = DID_OK << 16; @@ -849,9 +922,8 @@ static void arcmsr_report_ccb_state(stru default: printk(KERN_NOTICE - "arcmsr%d: scsi id = %d lun = %d" - " isr get command error done, " - "but got unknown DeviceStatus = 0x%x \n" + "arcmsr%d: scsi id = %d lun = %d isr get command error done, \ + but got unknown DeviceStatus = 0x%x \n" , acb->host->host_no , id , lun @@ -864,26 +936,22 @@ static void arcmsr_report_ccb_state(stru } } -static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb) +static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) { - struct CommandControlBlock *ccb; - struct ARCMSR_CDB *arcmsr_cdb; int id, lun; - - arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); - ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if (ccb->startdone == ARCMSR_CCB_ABORTED) { - struct scsi_cmnd *abortcmd = ccb->pcmd; + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->startdone == ARCMSR_CCB_ABORTED) { + struct scsi_cmnd *abortcmd = pCCB->pcmd; if (abortcmd) { id = abortcmd->device->id; lun = abortcmd->device->lun; abortcmd->result |= DID_ABORT << 16; - arcmsr_ccb_complete(ccb); - printk(KERN_NOTICE "arcmsr%d: ccb ='0x%p' \ - isr got aborted command \n", acb->host->host_no, ccb); + arcmsr_ccb_complete(pCCB); + printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n", + acb->host->host_no, pCCB); } + return; } printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ done acb = '0x%p'" @@ -891,20 +959,22 @@ static void arcmsr_drain_donequeue(struc " ccboutstandingcount = %d \n" , acb->host->host_no , acb - , ccb - , ccb->acb - , ccb->startdone + , pCCB + , pCCB->acb + , pCCB->startdone , atomic_read(&acb->ccboutstandingcount)); + return; } - else - arcmsr_report_ccb_state(acb, ccb, flag_ccb); + arcmsr_report_ccb_state(acb, pCCB, error); } static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) { int i = 0; uint32_t flag_ccb; - + struct ARCMSR_CDB *pARCMSR_CDB; + bool error; + struct CommandControlBlock *pCCB; switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: { @@ -916,7 +986,10 @@ static void arcmsr_done4abort_postqueue( writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } } break; @@ -924,17 +997,37 @@ static void arcmsr_done4abort_postqueue( case ACB_ADAPTER_TYPE_B: { struct MessageUnit_B *reg = acb->pmuB; /*clear all outbound posted Q*/ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, ®->iop2drv_doorbell); /* clear doorbell interrupt */ for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) { writel(0, ®->done_qbuffer[i]); - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } - writel(0, ®->post_qbuffer[i]); + reg->post_qbuffer[i] = 0; } reg->doneq_index = 0; reg->postq_index = 0; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + struct ARCMSR_CDB *pARCMSR_CDB; + uint32_t flag_ccb, ccb_cdb_phy; + bool error; + struct CommandControlBlock *pCCB; + while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + /*need to do*/ + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } + } } } static void arcmsr_remove(struct pci_dev *pdev) @@ -945,7 +1038,6 @@ static void arcmsr_remove(struct pci_dev int poll_count = 0; arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); - scsi_host_put(host); flush_scheduled_work(); del_timer_sync(&acb->eternal_timer); arcmsr_disable_outbound_ints(acb); @@ -977,8 +1069,10 @@ static void arcmsr_remove(struct pci_dev } free_irq(pdev->irq, acb); arcmsr_free_ccb_pool(acb); - arcmsr_free_mu(acb); + arcmsr_free_hbb_mu(acb); + arcmsr_unmap_pciregion(acb); pci_release_regions(pdev); + scsi_host_put(host); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); } @@ -1036,6 +1128,13 @@ static void arcmsr_enable_outbound_ints( writel(mask, reg->iop2drv_doorbell_mask); acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); + writel(intmask_org & mask, ®->host_int_mask); + acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; + } } } @@ -1047,24 +1146,20 @@ static int arcmsr_build_ccb(struct Adapt __le32 address_lo, address_hi; int arccdbsize = 0x30; __le32 length = 0; - int i, cdb_sgcount = 0; + int i; struct scatterlist *sg; int nseg; - ccb->pcmd = pcmd; memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); - arcmsr_cdb->Bus = 0; arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->LUN = pcmd->device->lun; arcmsr_cdb->Function = 1; - arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len; arcmsr_cdb->Context = 0; memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); nseg = scsi_dma_map(pcmd); - if (nseg > acb->host->sg_tablesize || nseg < 0) + if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) return FAILED; - /* map stor port SG list to our iop SG List. */ scsi_for_each_sg(pcmd, sg, nseg, i) { /* Get the physical address of the current data pointer */ length = cpu_to_le32(sg_dma_len(sg)); @@ -1086,23 +1181,22 @@ static int arcmsr_build_ccb(struct Adapt psge += sizeof (struct SG64ENTRY); arccdbsize += sizeof (struct SG64ENTRY); } - cdb_sgcount++; } - arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount; + arcmsr_cdb->sgcount = (uint8_t)nseg; arcmsr_cdb->DataLength = scsi_bufflen(pcmd); arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); if ( arccdbsize > 256) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0] | WRITE_10 || pcmd->cmnd[0]|WRITE_12) { arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; - ccb->ccb_flags |= CCB_FLAG_WRITE; } + ccb->arc_cdb_size = arccdbsize; return SUCCESS; } static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - uint32_t shifted_cdb_phyaddr = ccb->shifted_cdb_phyaddr; + uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; @@ -1112,10 +1205,10 @@ static void arcmsr_post_ccb(struct Adapt struct MessageUnit_A __iomem *reg = acb->pmuA; if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) - writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); else { - writel(shifted_cdb_phyaddr, ®->inbound_queueport); + writel(cdb_phyaddr_pattern, ®->inbound_queueport); } } break; @@ -1127,11 +1220,10 @@ static void arcmsr_post_ccb(struct Adapt ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); writel(0, ®->post_qbuffer[ending_index]); if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { - writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ ®->post_qbuffer[index]); - } - else { - writel(shifted_cdb_phyaddr, ®->post_qbuffer[index]); + } else { + writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]); } index++; index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ @@ -1139,6 +1231,19 @@ static void arcmsr_post_ccb(struct Adapt writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + uint32_t ccb_post_stamp, arc_cdb_size; + + arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; + ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1); + if (acb->cdb_phyaddr_hi32) { + writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } else { + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } + } } } @@ -1147,8 +1252,7 @@ static void arcmsr_stop_hba_bgrb(struct struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" , acb->host->host_no); @@ -1161,13 +1265,26 @@ static void arcmsr_stop_hbb_bgrb(struct acb->acb_flags &= ~ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" , acb->host->host_no); } } +static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , pACB->host->host_no); + } + return; +} static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -1180,22 +1297,16 @@ static void arcmsr_stop_adapter_bgrb(str arcmsr_stop_hbb_bgrb(acb); } break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_stop_hbc_bgrb(acb); + } } } static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) { - switch (acb->adapter_type) { - case ACB_ADAPTER_TYPE_A: { - dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); - iounmap(acb->pmuA); - } - break; - case ACB_ADAPTER_TYPE_B: { dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); } - } -} void arcmsr_iop_message_read(struct AdapterControlBlock *acb) { @@ -1211,6 +1322,10 @@ void arcmsr_iop_message_read(struct Adap writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } } } @@ -1236,6 +1351,15 @@ static void arcmsr_iop_message_wrote(str writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell); + } + break; } } @@ -1256,6 +1379,10 @@ struct QBUFFER __iomem *arcmsr_get_iop_r qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; + } } return qbuffer; } @@ -1277,6 +1403,11 @@ static struct QBUFFER __iomem *arcmsr_ge pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; + } + } return pqbuffer; } @@ -1361,14 +1490,42 @@ static void arcmsr_hba_doorbell_isr(stru arcmsr_iop2drv_data_read_handle(acb); } } - +static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB) +{ + uint32_t outbound_doorbell; + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + /* + ******************************************************************* + ** Maybe here we need to check wrqbuffer_lock is lock or not + ** DOORBELL: din! don! + ** check if there are any mail need to pack from firmware + ******************************************************************* + */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/ + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */ + } + return; +} static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) { uint32_t flag_ccb; struct MessageUnit_A __iomem *reg = acb->pmuA; - + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); } } @@ -1377,17 +1534,51 @@ static void arcmsr_hbb_postqueue_isr(str uint32_t index; uint32_t flag_ccb; struct MessageUnit_B *reg = acb->pmuB; - + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; index = reg->doneq_index; - while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) { writel(0, ®->done_qbuffer[index]); - arcmsr_drain_donequeue(acb, flag_ccb); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); index++; index %= ARCMSR_MAX_HBB_POSTQUEUE; reg->doneq_index = index; } } + +static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C *phbcmu; + struct ARCMSR_CDB *arcmsr_cdb; + struct CommandControlBlock *ccb; + uint32_t flag_ccb, ccb_cdb_phy, throttling = 0; + int error; + + phbcmu = (struct MessageUnit_C *)acb->pmuC; + /* areca cdb command done */ + /* Use correct offset and size for syncing */ + + while (readl(&phbcmu->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){ + /* check if command done with no error*/ + flag_ccb = readl(&phbcmu->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/ + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + /* check if command done with no error */ + arcmsr_drain_donequeue(acb, ccb, error); + if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) { + writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell); + break; + } + throttling++; + } +} /* ********************************************************************************** ** Handle a message interrupt @@ -1411,6 +1602,23 @@ static void arcmsr_hbb_message_isr(struc writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); schedule_work(&acb->arcmsr_do_message_isr_bh); } +/* +********************************************************************************** +** Handle a message interrupt +** +** The only message interrupt we expect is in response to a query for the +** current adapter config. +** We want this in order to compare the drivemap so that we can detect newly-attached drives. +********************************************************************************** +*/ +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C *reg = acb->pmuC; + /*clear interrupt and message state*/ + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); + schedule_work(&acb->arcmsr_do_message_isr_bh); +} + static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) { uint32_t outbound_intstatus; @@ -1463,7 +1669,31 @@ static int arcmsr_handle_hbb_isr(struct /* messenger of "driver to iop commands" */ arcmsr_hbb_message_isr(acb); } + return 0; +} +static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB) +{ + uint32_t host_interrupt_status; + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + /* + ********************************************* + ** check outbound intstatus + ********************************************* + */ + host_interrupt_status = readl(&phbcmu->host_int_status); + if (!host_interrupt_status) { + /*it must be share irq*/ + return 1; + } + /* MU ioctl transfer doorbell interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) { + arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */ + } + /* MU post queue interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { + arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */ + } return 0; } static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) @@ -1482,6 +1712,11 @@ static irqreturn_t arcmsr_interrupt(stru } } break; + case ACB_ADAPTER_TYPE_C: { + if (arcmsr_handle_hbc_isr(acb)) { + return IRQ_NONE; + } + } } return IRQ_HANDLED; } @@ -1893,7 +2123,10 @@ static int arcmsr_queue_command(struct s if (atomic_read(&acb->ccboutstandingcount) >= ARCMSR_MAX_OUTSTANDING_CMD) return SCSI_MLQUEUE_HOST_BUSY; - + if ((scsicmd == SCSI_CMD_ARECA_SPECIFIC)) { + printk(KERN_NOTICE "Receiveing SCSI_CMD_ARECA_SPECIFIC command..\n"); + return 0; + } ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; @@ -1916,9 +2149,8 @@ static bool arcmsr_get_hba_config(struct char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); char __iomem *iop_device_map = (char __iomem *) (®->message_rwbuffer[21]); int count; - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ miscellaneous data' timeout \n", acb->host->host_no); return false; @@ -1994,7 +2226,7 @@ static bool arcmsr_get_hbb_config(struct iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/ writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)){ + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ miscellaneous data' timeout \n", acb->host->host_no); return false; @@ -2041,12 +2273,73 @@ static bool arcmsr_get_hbb_config(struct /*firm_ide_channels,4,16-19*/ return true; } + +static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB) +{ + uint32_t intmask_org, Index, firmware_state = 0; + struct MessageUnit_C *reg = pACB->pmuC; + char *acb_firm_model = pACB->firm_model; + char *acb_firm_version = pACB->firm_version; + char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/ + char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/ + int count; + /* disable all outbound interrupt */ + intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + /* wait firmware ready */ + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + /* post "get config" instruction */ + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + /* wait message ready */ + for (Index = 0; Index < 2000; Index++) { + if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/ + break; + } + udelay(10); + } /*max 1 seconds*/ + if (Index >= 2000) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", pACB->host->host_no); + return false; + } + count = 8; + while (count) { + *acb_firm_model = readb(iop_firm_model); + acb_firm_model++; + iop_firm_model++; + count--; + } + count = 16; + while (count) { + *acb_firm_version = readb(iop_firm_version); + acb_firm_version++; + iop_firm_version++; + count--; + } + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + pACB->host->host_no, + pACB->firm_version, + pACB->firm_model); + pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/ + pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/ + pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/ + pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/ + pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + /*all interrupt service will be enable at arcmsr_iop_init*/ + return true; +} static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) { if (acb->adapter_type == ACB_ADAPTER_TYPE_A) return arcmsr_get_hba_config(acb); - else + else if (acb->adapter_type == ACB_ADAPTER_TYPE_B) return arcmsr_get_hbb_config(acb); + else + return arcmsr_get_hbc_config(acb); } static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, @@ -2057,7 +2350,7 @@ static int arcmsr_polling_hba_ccbdone(st struct ARCMSR_CDB *arcmsr_cdb; uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; int rtn; - + bool error; polling_hba_ccb_retry: poll_count++; outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; @@ -2068,6 +2361,7 @@ static int arcmsr_polling_hba_ccbdone(st rtn = SUCCESS; break; } else { + msleep(25); if (poll_count > 100) { rtn = FAILED; break; @@ -2097,9 +2391,9 @@ static int arcmsr_polling_hba_ccbdone(st , ccb , atomic_read(&acb->ccboutstandingcount)); continue; - } else { - arcmsr_report_ccb_state(acb, ccb, flag_ccb); } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); } return rtn; } @@ -2112,7 +2406,7 @@ static int arcmsr_polling_hbb_ccbdone(st struct CommandControlBlock *ccb; uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; int index, rtn; - + bool error; polling_hbb_ccb_retry: poll_count++; /* clear doorbell interrupt */ @@ -2160,13 +2454,69 @@ static int arcmsr_polling_hbb_ccbdone(st , ccb , atomic_read(&acb->ccboutstandingcount)); continue; - } else { - arcmsr_report_ccb_state(acb, ccb, flag_ccb); } - } /*drain reply FIFO*/ + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); + } return rtn; } +static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t flag_ccb, ccb_cdb_phy; + struct ARCMSR_CDB *arcmsr_cdb; + bool error; + struct CommandControlBlock *pCCB; + uint32_t poll_ccb_done = 0, poll_count = 0; + int rtn; + polling_hbc_ccb_retry: + poll_count++; + while (1) { + if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { + if (poll_ccb_done) { + rtn = SUCCESS; + break; + } else { + msleep(25); + if (poll_count > 100) { + rtn = FAILED; + break; + } + goto polling_hbc_ccb_retry; + } + } + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0; + /* check ifcommand done with no error*/ + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->startdone == ARCMSR_CCB_ABORTED) { + printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" + " poll command abort successfully \n" + , acb->host->host_no + , pCCB->pcmd->device->id + , pCCB->pcmd->device->lun + , pCCB); + pCCB->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); + continue; + } + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n" + , acb->host->host_no + , pCCB + , atomic_read(&acb->ccboutstandingcount)); + continue; + } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_report_ccb_state(acb, pCCB, error); + } + return rtn; +} static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { @@ -2181,6 +2531,10 @@ static int arcmsr_polling_ccbdone(struct case ACB_ADAPTER_TYPE_B: { rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); } + break; + case ACB_ADAPTER_TYPE_C: { + rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb); + } } return rtn; } @@ -2198,6 +2552,7 @@ static int arcmsr_iop_confirm(struct Ada dma_coherent_handle = acb->dma_coherent_handle; cdb_phyaddr = (uint32_t)(dma_coherent_handle); cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16); + acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; /* *********************************************************************** ** if adapter type B, set window of "post command Q" @@ -2215,7 +2570,7 @@ static int arcmsr_iop_confirm(struct Ada writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]); writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ part physical address timeout\n", acb->host->host_no); @@ -2236,7 +2591,7 @@ static int arcmsr_iop_confirm(struct Ada reg->postq_index = 0; reg->doneq_index = 0; writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ acb->host->host_no); return 1; @@ -2255,7 +2610,7 @@ static int arcmsr_iop_confirm(struct Ada writel(1056, rwbuffer); writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ timeout \n",acb->host->host_no); return 1; @@ -2264,6 +2619,27 @@ static int arcmsr_iop_confirm(struct Ada arcmsr_enable_outbound_ints(acb, intmask_org); } break; + case ACB_ADAPTER_TYPE_C: { + if (cdb_phyaddr_hi32 != 0) { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + + if (cdb_phyaddr_hi32 != 0) { + unsigned char Retries = 0x00; + do { + printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x \n", acb->adapter_index, cdb_phyaddr_hi32); + } while (Retries++ < 100); + } + writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); + writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ + timeout \n", acb->host->host_no); + return 1; + } + } + } } return 0; } @@ -2290,6 +2665,12 @@ static void arcmsr_wait_firmware_ready(s writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + } } } @@ -2332,6 +2712,26 @@ static void arcmsr_request_hbb_device_ma return; } +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C __iomem *reg = acb->pmuC; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { + return; + } else { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + atomic_set(&acb->rq_map_token, 16); + } + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) + return; + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + } + return; +} + static void arcmsr_request_device_map(unsigned long pacb) { struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; @@ -2345,6 +2744,9 @@ static void arcmsr_request_device_map(un arcmsr_request_hbb_device_map(acb); } break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_request_hbc_device_map(acb); + } } } @@ -2353,7 +2755,7 @@ static void arcmsr_start_hba_bgrb(struct struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); - if (arcmsr_hba_wait_msgint_ready(acb)) { + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ rebulid' timeout \n", acb->host->host_no); } @@ -2364,12 +2766,24 @@ static void arcmsr_start_hbb_bgrb(struct struct MessageUnit_B *reg = acb->pmuB; acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); - if (arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ rebulid' timeout \n",acb->host->host_no); } } +static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n", pACB->host->host_no); + } + return; +} static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) { switch (acb->adapter_type) { @@ -2379,6 +2793,8 @@ static void arcmsr_start_adapter_bgrb(st case ACB_ADAPTER_TYPE_B: arcmsr_start_hbb_bgrb(acb); break; + case ACB_ADAPTER_TYPE_C: + arcmsr_start_hbc_bgrb(acb); } } @@ -2404,6 +2820,14 @@ static void arcmsr_clear_doorbell_queue_ /* let IOP know data has been read */ } break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t outbound_doorbell; + /* empty doorbell Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } } } @@ -2416,12 +2840,14 @@ static void arcmsr_enable_eoi_mode(struc { struct MessageUnit_B *reg = acb->pmuB; writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); - if(arcmsr_hbb_wait_msgint_ready(acb)) { + if (!arcmsr_hbb_wait_msgint_ready(acb)) { printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); return; } } break; + case ACB_ADAPTER_TYPE_C: + return; } return; } @@ -2429,21 +2855,33 @@ static void arcmsr_enable_eoi_mode(struc static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) { uint8_t value[64]; - int i; - struct MessageUnit_A __iomem *reg = acb->pmuA; - + int i, count = 0; + struct MessageUnit_A __iomem *pmuA = acb->pmuA; + struct MessageUnit_C __iomem *pmuC = acb->pmuC; + u32 temp = 0; /* backup pci config data */ - printk(KERN_ERR "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); + printk("arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); for (i=0; i<64; i++) { pci_read_config_byte(acb->pdev, i, &value[i]); } /* hardware reset signal */ if ((acb->dev_id == 0x1680)) { - writel(ARCMSR_ARC1680_BUS_RESET, ®->reserved1[0]); + writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); + } else if ((acb->dev_id == 0x1880)) { + do { + count++; + writel(0xF, &pmuC->write_sequence); + writel(0x4, &pmuC->write_sequence); + writel(0xB, &pmuC->write_sequence); + writel(0x2, &pmuC->write_sequence); + writel(0x7, &pmuC->write_sequence); + writel(0xD, &pmuC->write_sequence); + } while ((((temp = readl(&pmuC->host_diagnostic)) | ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); + writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); } else { pci_write_config_byte(acb->pdev, 0x84, 0x20); } - msleep(1000); + msleep(2000); /* write back pci config data */ for (i=0;i<64;i++) { pci_write_config_byte(acb->pdev, i, value[i]); @@ -2451,29 +2889,6 @@ static void arcmsr_hardware_reset(struct msleep(1000); return; } -/* -**************************************************************************** -**************************************************************************** -*/ -int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd) -{ - struct Scsi_Host *shost = NULL; - int i, isleep; - - shost = cmd->device->host; - isleep = sleeptime / 10; - if (isleep > 0) { - for (i = 0; i < isleep; i ++) { - msleep(10000); - } - } - - isleep = sleeptime % 10; - if (isleep > 0) { - msleep(isleep*1000); - } - return 0; -} static void arcmsr_iop_init(struct AdapterControlBlock *acb) { uint32_t intmask_org; @@ -2526,24 +2940,22 @@ static int arcmsr_bus_reset(struct scsi_ uint32_t intmask_org, outbound_doorbell; int retry_count = 0; int rtn = FAILED; - acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; - printk(KERN_ERR "arcmsr: executing eh bus reset .....num_resets = %d, - num_aborts = %d \n", acb->num_resets, acb->num_aborts); + printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); acb->num_resets++; switch(acb->adapter_type){ case ACB_ADAPTER_TYPE_A:{ if (acb->acb_flags & ACB_F_BUS_RESET) { long timeout; - timeout = wait_event_timeout(wait_q, - (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); if (timeout) { return SUCCESS; } } acb->acb_flags |= ACB_F_BUS_RESET; - if (arcmsr_iop_reset(acb)) { + if (!arcmsr_iop_reset(acb)) { struct MessageUnit_A __iomem *reg; reg = acb->pmuA; arcmsr_hardware_reset(acb); @@ -2551,12 +2963,10 @@ static int arcmsr_bus_reset(struct scsi_ sleep_again: arcmsr_sleep_for_bus_reset(cmd); if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { - printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, - retry=%d \n", acb->host->host_no, retry_count); + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count); if (retry_count > retrycount) { acb->fw_flag = FW_DEADLOCK; - printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, - RETRY TERMINATED!! \n", acb->host->host_no); + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no); return FAILED; } retry_count++; @@ -2583,7 +2993,7 @@ sleep_again: add_timer(&acb->eternal_timer); acb->acb_flags &= ~ACB_F_BUS_RESET; rtn = SUCCESS; - printk(KERN_ERR "arcmsr: scsi eh bus reset succeeds\n"); + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); } else { acb->acb_flags &= ~ACB_F_BUS_RESET; if (atomic_read(&acb->rq_map_token) == 0) { @@ -2607,7 +3017,7 @@ sleep_again: } case ACB_ADAPTER_TYPE_B:{ acb->acb_flags |= ACB_F_BUS_RESET; - if (arcmsr_iop_reset(acb)) { + if (!arcmsr_iop_reset(acb)) { acb->acb_flags &= ~ACB_F_BUS_RESET; rtn = FAILED; } else { @@ -2629,6 +3039,77 @@ sleep_again: } rtn = SUCCESS; } + break; + } + case ACB_ADAPTER_TYPE_C:{ + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_C __iomem *reg; + reg = acb->pmuC; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; +sleep: + arcmsr_sleep_for_bus_reset(cmd); + if ((readl(®->host_diagnostic) & 0x04) != 0) { + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count); + if (retry_count > retrycount) { + acb->fw_flag = FW_DEADLOCK; + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no); + return FAILED; + } + retry_count++; + goto sleep; + } + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + if (atomic_read(&acb->rq_map_token) == 0) { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + } else { + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + } + rtn = SUCCESS; + } + break; } } return rtn; @@ -2638,9 +3119,7 @@ static int arcmsr_abort_one_cmd(struct A struct CommandControlBlock *ccb) { int rtn; - spin_lock_irq(&acb->eh_lock); rtn = arcmsr_polling_ccbdone(acb, ccb); - spin_unlock_irq(&acb->eh_lock); return rtn; } @@ -2666,7 +3144,6 @@ static int arcmsr_abort(struct scsi_cmnd return rtn; for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { - printk(KERN_NOTICE "%s: loop %d\n", __func__, i); struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { ccb->startdone = ARCMSR_CCB_ABORTED; @@ -2709,6 +3185,7 @@ static const char *arcmsr_info(struct Sc case PCI_DEVICE_ID_ARECA_1381: case PCI_DEVICE_ID_ARECA_1680: case PCI_DEVICE_ID_ARECA_1681: + case PCI_DEVICE_ID_ARECA_1880: type = "SAS"; break; default: