diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 165 |
1 files changed, 113 insertions, 52 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index f3fc353..f02c996 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -53,10 +53,6 @@ #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ -#define MAX_FIB_DATA (sizeof(struct hw_fib) - sizeof(FIB_HEADER)) - -#define MAX_DRIVER_SG_SEGMENT_COUNT 17 - /* * Sense codes */ @@ -158,6 +154,13 @@ MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0 module_param(commit, int, 0); MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); +int numacb = -1; +module_param(numacb, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid\nvalues are 512 and down. Default is to use suggestion from Firmware."); + +int acbsize = -1; +module_param(acbsize, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512,\n2048, 4096 and 8192. Default is to use suggestion from Firmware."); /** * aac_get_config_status - check the adapter configuration * @common: adapter to query @@ -462,7 +465,7 @@ static int probe_container(struct aac_dev *dev, int cid) 1, 1, NULL, NULL); if (status < 0) { - printk(KERN_WARNING "aacraid: probe_containers query failed.\n"); + printk(KERN_WARNING "aacraid: probe_container query failed.\n"); goto error; } @@ -562,10 +565,10 @@ static void setinqstr(int devtype, void *data, int tindex) inqstrcpy ("V1.0", str->prl); } -void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, - u8 a_sense_code, u8 incorrect_length, - u8 bit_pointer, u16 field_pointer, - u32 residue) +static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, + u8 a_sense_code, u8 incorrect_length, + u8 bit_pointer, u16 field_pointer, + u32 residue) { sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ sense_buf[1] = 0; /* Segment number, always zero */ @@ -605,35 +608,63 @@ void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, int aac_get_adapter_info(struct aac_dev* dev) { struct fib* fibptr; - struct aac_adapter_info* info; int rcode; u32 tmp; + struct aac_adapter_info * info; + if (!(fibptr = fib_alloc(dev))) return -ENOMEM; fib_init(fibptr); - info = (struct aac_adapter_info*) fib_data(fibptr); - - memset(info,0,sizeof(struct aac_adapter_info)); + info = (struct aac_adapter_info *) fib_data(fibptr); + memset(info,0,sizeof(*info)); rcode = fib_send(RequestAdapterInfo, - fibptr, - sizeof(struct aac_adapter_info), - FsaNormal, - 1, 1, - NULL, - NULL); + fibptr, + sizeof(*info), + FsaNormal, + 1, 1, + NULL, + NULL); + + if (rcode < 0) { + fib_complete(fibptr); + fib_free(fibptr); + return rcode; + } + memcpy(&dev->adapter_info, info, sizeof(*info)); + + if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { + struct aac_supplement_adapter_info * info; - memcpy(&dev->adapter_info, info, sizeof(struct aac_adapter_info)); + fib_init(fibptr); + + info = (struct aac_supplement_adapter_info *) fib_data(fibptr); + + memset(info,0,sizeof(*info)); + + rcode = fib_send(RequestSupplementAdapterInfo, + fibptr, + sizeof(*info), + FsaNormal, + 1, 1, + NULL, + NULL); + + if (rcode >= 0) + memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); + } tmp = le32_to_cpu(dev->adapter_info.kernelrev); - printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d]\n", + printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", dev->name, dev->id, tmp>>24, (tmp>>16)&0xff, tmp&0xff, - le32_to_cpu(dev->adapter_info.kernelbuild)); + le32_to_cpu(dev->adapter_info.kernelbuild), + (int)sizeof(dev->supplement_adapter_info.BuildDate), + dev->supplement_adapter_info.BuildDate); tmp = le32_to_cpu(dev->adapter_info.monitorrev); printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", dev->name, dev->id, @@ -707,6 +738,38 @@ int aac_get_adapter_info(struct aac_dev* dev) rcode = -ENOMEM; } } + /* + * 57 scatter gather elements + */ + dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - + sizeof(struct aac_fibhdr) - + sizeof(struct aac_write) + sizeof(struct sgmap)) / + sizeof(struct sgmap); + if (dev->dac_support) { + /* + * 38 scatter gather elements + */ + dev->scsi_host_ptr->sg_tablesize = + (dev->max_fib_size - + sizeof(struct aac_fibhdr) - + sizeof(struct aac_write64) + + sizeof(struct sgmap64)) / + sizeof(struct sgmap64); + } + dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; + if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { + /* + * Worst case size that could cause sg overflow when + * we break up SG elements that are larger than 64KB. + * Would be nice if we could tell the SCSI layer what + * the maximum SG element size can be. Worst case is + * (sg_tablesize-1) 4KB elements with one 64KB + * element. + * 32bit -> 468 or 238KB 64bit -> 424 or 212KB + */ + dev->scsi_host_ptr->max_sectors = + (dev->scsi_host_ptr->sg_tablesize * 8) + 112; + } fib_complete(fibptr); fib_free(fibptr); @@ -747,8 +810,10 @@ static void read_callback(void *context, struct fib * fibptr) if (le32_to_cpu(readreply->status) == ST_OK) scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; else { - printk(KERN_WARNING "read_callback: read failed, status = %d\n", - le32_to_cpu(readreply->status)); +#ifdef AAC_DETAILED_STATUS_INFO + printk(KERN_WARNING "read_callback: io failed, status = %d\n", + le32_to_cpu(readreply->status)); +#endif scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; set_sense((u8 *) &dev->fsa_dev[cid].sense_data, HARDWARE_ERROR, @@ -813,7 +878,7 @@ static void write_callback(void *context, struct fib * fibptr) aac_io_done(scsicmd); } -int aac_read(struct scsi_cmnd * scsicmd, int cid) +static int aac_read(struct scsi_cmnd * scsicmd, int cid) { u32 lba; u32 count; @@ -842,7 +907,8 @@ int aac_read(struct scsi_cmnd * scsicmd, int cid) lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; } - dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); + dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", + smp_processor_id(), (unsigned long long)lba, jiffies)); /* * Alocate and initialize a Fib */ @@ -852,7 +918,7 @@ int aac_read(struct scsi_cmnd * scsicmd, int cid) fib_init(cmd_fibcontext); - if(dev->dac_support == 1) { + if (dev->dac_support == 1) { struct aac_read64 *readcmd; readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); readcmd->command = cpu_to_le32(VM_CtHostRead64); @@ -886,14 +952,11 @@ int aac_read(struct scsi_cmnd * scsicmd, int cid) readcmd->block = cpu_to_le32(lba); readcmd->count = cpu_to_le32(count * 512); - if (count * 512 > (64 * 1024)) - BUG(); - aac_build_sg(scsicmd, &readcmd->sg); fibsize = sizeof(struct aac_read) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentry)); - BUG_ON (fibsize > (sizeof(struct hw_fib) - + BUG_ON (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))); /* * Now send the Fib to the adapter @@ -976,7 +1039,7 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid) fibsize = sizeof(struct aac_write64) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentry64)); - BUG_ON (fibsize > (sizeof(struct hw_fib) - + BUG_ON (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))); /* * Now send the Fib to the adapter @@ -998,15 +1061,11 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid) writecmd->sg.count = cpu_to_le32(1); /* ->stable is not used - it did mean which type of write */ - if (count * 512 > (64 * 1024)) { - BUG(); - } - aac_build_sg(scsicmd, &writecmd->sg); fibsize = sizeof(struct aac_write) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentry)); - BUG_ON (fibsize > (sizeof(struct hw_fib) - + BUG_ON (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))); /* * Now send the Fib to the adapter @@ -1025,7 +1084,6 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid) */ if (status == -EINPROGRESS) { - dprintk("write queued.\n"); return 0; } @@ -1111,7 +1169,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) return SCSI_MLQUEUE_DEVICE_BUSY; /* - * Alocate and initialize a Fib + * Allocate and initialize a Fib */ if (!(cmd_fibcontext = fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) @@ -1403,7 +1461,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) /* * Unhandled commands */ - printk(KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]); + dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; set_sense((u8 *) &dev->fsa_dev[cid].sense_data, ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, @@ -1818,7 +1876,7 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + ((le32_to_cpu(srbcmd->sg.count) & 0xff) * sizeof (struct sgentry64)); - BUG_ON (fibsize > (sizeof(struct hw_fib) - + BUG_ON (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))); /* @@ -1840,7 +1898,7 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) fibsize = sizeof (struct aac_srb) + (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * sizeof (struct sgentry)); - BUG_ON (fibsize > (sizeof(struct hw_fib) - + BUG_ON (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))); /* @@ -1893,7 +1951,9 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) } /* hba wants the size to be exact */ if(byte_count > scsicmd->request_bufflen){ - psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen); + u32 temp = le32_to_cpu(psg->sg[i-1].count) - + (byte_count - scsicmd->request_bufflen); + psg->sg[i-1].count = cpu_to_le32(temp); byte_count = scsicmd->request_bufflen; } /* Check for command underflow */ @@ -1922,7 +1982,7 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p { struct aac_dev *dev; unsigned long byte_count = 0; - u64 le_addr; + u64 addr; dev = (struct aac_dev *)scsicmd->device->host->hostdata; // Get rid of old data @@ -1943,16 +2003,18 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p byte_count = 0; for (i = 0; i < sg_count; i++) { - le_addr = cpu_to_le64(sg_dma_address(sg)); - psg->sg[i].addr[1] = (u32)(le_addr>>32); - psg->sg[i].addr[0] = (u32)(le_addr & 0xffffffff); + addr = sg_dma_address(sg); + psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); + psg->sg[i].addr[1] = cpu_to_le32(addr>>32); psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); byte_count += sg_dma_len(sg); sg++; } /* hba wants the size to be exact */ if(byte_count > scsicmd->request_bufflen){ - psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen); + u32 temp = le32_to_cpu(psg->sg[i-1].count) - + (byte_count - scsicmd->request_bufflen); + psg->sg[i-1].count = cpu_to_le32(temp); byte_count = scsicmd->request_bufflen; } /* Check for command underflow */ @@ -1962,15 +2024,14 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p } } else if(scsicmd->request_bufflen) { - dma_addr_t addr; + u64 addr; addr = pci_map_single(dev->pdev, scsicmd->request_buffer, scsicmd->request_bufflen, scsicmd->sc_data_direction); psg->count = cpu_to_le32(1); - le_addr = cpu_to_le64(addr); - psg->sg[0].addr[1] = (u32)(le_addr>>32); - psg->sg[0].addr[0] = (u32)(le_addr & 0xffffffff); + psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); + psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); scsicmd->SCp.dma_handle = addr; byte_count = scsicmd->request_bufflen; |
