11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Adaptec AAC series RAID controller driver 31da177e4SLinus Torvalds * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * based on the old aacraid driver that is.. 61da177e4SLinus Torvalds * Adaptec aacraid device driver for Linux. 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 111da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 121da177e4SLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 131da177e4SLinus Torvalds * any later version. 141da177e4SLinus Torvalds * 151da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 161da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 171da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 181da177e4SLinus Torvalds * GNU General Public License for more details. 191da177e4SLinus Torvalds * 201da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 211da177e4SLinus Torvalds * along with this program; see the file COPYING. If not, write to 221da177e4SLinus Torvalds * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 231da177e4SLinus Torvalds * 241da177e4SLinus Torvalds */ 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #include <linux/kernel.h> 271da177e4SLinus Torvalds #include <linux/init.h> 281da177e4SLinus Torvalds #include <linux/types.h> 291da177e4SLinus Torvalds #include <linux/sched.h> 301da177e4SLinus Torvalds #include <linux/pci.h> 311da177e4SLinus Torvalds #include <linux/spinlock.h> 321da177e4SLinus Torvalds #include <linux/slab.h> 331da177e4SLinus Torvalds #include <linux/completion.h> 341da177e4SLinus Torvalds #include <linux/blkdev.h> 351da177e4SLinus Torvalds #include <asm/semaphore.h> 361da177e4SLinus Torvalds #include <asm/uaccess.h> 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds #include <scsi/scsi.h> 391da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h> 401da177e4SLinus Torvalds #include <scsi/scsi_device.h> 411da177e4SLinus Torvalds #include <scsi/scsi_host.h> 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds #include "aacraid.h" 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds /* values for inqd_pdt: Peripheral device type in plain English */ 461da177e4SLinus Torvalds #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */ 471da177e4SLinus Torvalds #define INQD_PDT_PROC 0x03 /* Processor device */ 481da177e4SLinus Torvalds #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */ 491da177e4SLinus Torvalds #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */ 501da177e4SLinus Torvalds #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */ 511da177e4SLinus Torvalds #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */ 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ 541da177e4SLinus Torvalds #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds /* 571da177e4SLinus Torvalds * Sense codes 581da177e4SLinus Torvalds */ 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds #define SENCODE_NO_SENSE 0x00 611da177e4SLinus Torvalds #define SENCODE_END_OF_DATA 0x00 621da177e4SLinus Torvalds #define SENCODE_BECOMING_READY 0x04 631da177e4SLinus Torvalds #define SENCODE_INIT_CMD_REQUIRED 0x04 641da177e4SLinus Torvalds #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A 651da177e4SLinus Torvalds #define SENCODE_INVALID_COMMAND 0x20 661da177e4SLinus Torvalds #define SENCODE_LBA_OUT_OF_RANGE 0x21 671da177e4SLinus Torvalds #define SENCODE_INVALID_CDB_FIELD 0x24 681da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SUPPORTED 0x25 691da177e4SLinus Torvalds #define SENCODE_INVALID_PARAM_FIELD 0x26 701da177e4SLinus Torvalds #define SENCODE_PARAM_NOT_SUPPORTED 0x26 711da177e4SLinus Torvalds #define SENCODE_PARAM_VALUE_INVALID 0x26 721da177e4SLinus Torvalds #define SENCODE_RESET_OCCURRED 0x29 731da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E 741da177e4SLinus Torvalds #define SENCODE_INQUIRY_DATA_CHANGED 0x3F 751da177e4SLinus Torvalds #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 761da177e4SLinus Torvalds #define SENCODE_DIAGNOSTIC_FAILURE 0x40 771da177e4SLinus Torvalds #define SENCODE_INTERNAL_TARGET_FAILURE 0x44 781da177e4SLinus Torvalds #define SENCODE_INVALID_MESSAGE_ERROR 0x49 791da177e4SLinus Torvalds #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c 801da177e4SLinus Torvalds #define SENCODE_OVERLAPPED_COMMAND 0x4E 811da177e4SLinus Torvalds 821da177e4SLinus Torvalds /* 831da177e4SLinus Torvalds * Additional sense codes 841da177e4SLinus Torvalds */ 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds #define ASENCODE_NO_SENSE 0x00 871da177e4SLinus Torvalds #define ASENCODE_END_OF_DATA 0x05 881da177e4SLinus Torvalds #define ASENCODE_BECOMING_READY 0x01 891da177e4SLinus Torvalds #define ASENCODE_INIT_CMD_REQUIRED 0x02 901da177e4SLinus Torvalds #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 911da177e4SLinus Torvalds #define ASENCODE_INVALID_COMMAND 0x00 921da177e4SLinus Torvalds #define ASENCODE_LBA_OUT_OF_RANGE 0x00 931da177e4SLinus Torvalds #define ASENCODE_INVALID_CDB_FIELD 0x00 941da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SUPPORTED 0x00 951da177e4SLinus Torvalds #define ASENCODE_INVALID_PARAM_FIELD 0x00 961da177e4SLinus Torvalds #define ASENCODE_PARAM_NOT_SUPPORTED 0x01 971da177e4SLinus Torvalds #define ASENCODE_PARAM_VALUE_INVALID 0x02 981da177e4SLinus Torvalds #define ASENCODE_RESET_OCCURRED 0x00 991da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 1001da177e4SLinus Torvalds #define ASENCODE_INQUIRY_DATA_CHANGED 0x03 1011da177e4SLinus Torvalds #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 1021da177e4SLinus Torvalds #define ASENCODE_DIAGNOSTIC_FAILURE 0x80 1031da177e4SLinus Torvalds #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 1041da177e4SLinus Torvalds #define ASENCODE_INVALID_MESSAGE_ERROR 0x00 1051da177e4SLinus Torvalds #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 1061da177e4SLinus Torvalds #define ASENCODE_OVERLAPPED_COMMAND 0x00 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds #define BYTE0(x) (unsigned char)(x) 1091da177e4SLinus Torvalds #define BYTE1(x) (unsigned char)((x) >> 8) 1101da177e4SLinus Torvalds #define BYTE2(x) (unsigned char)((x) >> 16) 1111da177e4SLinus Torvalds #define BYTE3(x) (unsigned char)((x) >> 24) 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds /*------------------------------------------------------------------------------ 1141da177e4SLinus Torvalds * S T R U C T S / T Y P E D E F S 1151da177e4SLinus Torvalds *----------------------------------------------------------------------------*/ 1161da177e4SLinus Torvalds /* SCSI inquiry data */ 1171da177e4SLinus Torvalds struct inquiry_data { 1181da177e4SLinus Torvalds u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ 1191da177e4SLinus Torvalds u8 inqd_dtq; /* RMB | Device Type Qualifier */ 1201da177e4SLinus Torvalds u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ 1211da177e4SLinus Torvalds u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ 1221da177e4SLinus Torvalds u8 inqd_len; /* Additional length (n-4) */ 1231da177e4SLinus Torvalds u8 inqd_pad1[2];/* Reserved - must be zero */ 1241da177e4SLinus Torvalds u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 1251da177e4SLinus Torvalds u8 inqd_vid[8]; /* Vendor ID */ 1261da177e4SLinus Torvalds u8 inqd_pid[16];/* Product ID */ 1271da177e4SLinus Torvalds u8 inqd_prl[4]; /* Product Revision Level */ 1281da177e4SLinus Torvalds }; 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds /* 1311da177e4SLinus Torvalds * M O D U L E G L O B A L S 1321da177e4SLinus Torvalds */ 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); 1351da177e4SLinus Torvalds static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); 1361da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); 1371da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 1381da177e4SLinus Torvalds static char *aac_get_status_string(u32 status); 1391da177e4SLinus Torvalds #endif 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvalds /* 1421da177e4SLinus Torvalds * Non dasd selection is handled entirely in aachba now 1431da177e4SLinus Torvalds */ 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds static int nondasd = -1; 1461da177e4SLinus Torvalds static int dacmode = -1; 1471da177e4SLinus Torvalds 1481da177e4SLinus Torvalds static int commit = -1; 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds module_param(nondasd, int, 0); 1511da177e4SLinus Torvalds MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); 1521da177e4SLinus Torvalds module_param(dacmode, int, 0); 1531da177e4SLinus Torvalds MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); 1541da177e4SLinus Torvalds module_param(commit, int, 0); 1551da177e4SLinus Torvalds 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"); 1561da177e4SLinus Torvalds 1577c00ffa3SMark Haverkamp int numacb = -1; 1587c00ffa3SMark Haverkamp module_param(numacb, int, S_IRUGO|S_IWUSR); 1597c00ffa3SMark Haverkamp 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."); 1607c00ffa3SMark Haverkamp 1617c00ffa3SMark Haverkamp int acbsize = -1; 1627c00ffa3SMark Haverkamp module_param(acbsize, int, S_IRUGO|S_IWUSR); 1637c00ffa3SMark Haverkamp 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."); 1641da177e4SLinus Torvalds /** 1651da177e4SLinus Torvalds * aac_get_config_status - check the adapter configuration 1661da177e4SLinus Torvalds * @common: adapter to query 1671da177e4SLinus Torvalds * 1681da177e4SLinus Torvalds * Query config status, and commit the configuration if needed. 1691da177e4SLinus Torvalds */ 1701da177e4SLinus Torvalds int aac_get_config_status(struct aac_dev *dev) 1711da177e4SLinus Torvalds { 1721da177e4SLinus Torvalds int status = 0; 1731da177e4SLinus Torvalds struct fib * fibptr; 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 1761da177e4SLinus Torvalds return -ENOMEM; 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds fib_init(fibptr); 1791da177e4SLinus Torvalds { 1801da177e4SLinus Torvalds struct aac_get_config_status *dinfo; 1811da177e4SLinus Torvalds dinfo = (struct aac_get_config_status *) fib_data(fibptr); 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 1841da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS); 1851da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data)); 1861da177e4SLinus Torvalds } 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds status = fib_send(ContainerCommand, 1891da177e4SLinus Torvalds fibptr, 1901da177e4SLinus Torvalds sizeof (struct aac_get_config_status), 1911da177e4SLinus Torvalds FsaNormal, 1921da177e4SLinus Torvalds 1, 1, 1931da177e4SLinus Torvalds NULL, NULL); 1941da177e4SLinus Torvalds if (status < 0 ) { 1951da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); 1961da177e4SLinus Torvalds } else { 1971da177e4SLinus Torvalds struct aac_get_config_status_resp *reply 1981da177e4SLinus Torvalds = (struct aac_get_config_status_resp *) fib_data(fibptr); 1991da177e4SLinus Torvalds dprintk((KERN_WARNING 2001da177e4SLinus Torvalds "aac_get_config_status: response=%d status=%d action=%d\n", 2011da177e4SLinus Torvalds le32_to_cpu(reply->response), 2021da177e4SLinus Torvalds le32_to_cpu(reply->status), 2031da177e4SLinus Torvalds le32_to_cpu(reply->data.action))); 2041da177e4SLinus Torvalds if ((le32_to_cpu(reply->response) != ST_OK) || 2051da177e4SLinus Torvalds (le32_to_cpu(reply->status) != CT_OK) || 2061da177e4SLinus Torvalds (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) { 2071da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n"); 2081da177e4SLinus Torvalds status = -EINVAL; 2091da177e4SLinus Torvalds } 2101da177e4SLinus Torvalds } 2111da177e4SLinus Torvalds fib_complete(fibptr); 2121da177e4SLinus Torvalds /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ 2131da177e4SLinus Torvalds if (status >= 0) { 2141da177e4SLinus Torvalds if (commit == 1) { 2151da177e4SLinus Torvalds struct aac_commit_config * dinfo; 2161da177e4SLinus Torvalds fib_init(fibptr); 2171da177e4SLinus Torvalds dinfo = (struct aac_commit_config *) fib_data(fibptr); 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 2201da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds status = fib_send(ContainerCommand, 2231da177e4SLinus Torvalds fibptr, 2241da177e4SLinus Torvalds sizeof (struct aac_commit_config), 2251da177e4SLinus Torvalds FsaNormal, 2261da177e4SLinus Torvalds 1, 1, 2271da177e4SLinus Torvalds NULL, NULL); 2281da177e4SLinus Torvalds fib_complete(fibptr); 2291da177e4SLinus Torvalds } else if (commit == 0) { 2301da177e4SLinus Torvalds printk(KERN_WARNING 2311da177e4SLinus Torvalds "aac_get_config_status: Foreign device configurations are being ignored\n"); 2321da177e4SLinus Torvalds } 2331da177e4SLinus Torvalds } 2341da177e4SLinus Torvalds fib_free(fibptr); 2351da177e4SLinus Torvalds return status; 2361da177e4SLinus Torvalds } 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds /** 2391da177e4SLinus Torvalds * aac_get_containers - list containers 2401da177e4SLinus Torvalds * @common: adapter to probe 2411da177e4SLinus Torvalds * 2421da177e4SLinus Torvalds * Make a list of all containers on this controller 2431da177e4SLinus Torvalds */ 2441da177e4SLinus Torvalds int aac_get_containers(struct aac_dev *dev) 2451da177e4SLinus Torvalds { 2461da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 2471da177e4SLinus Torvalds u32 index; 2481da177e4SLinus Torvalds int status = 0; 2491da177e4SLinus Torvalds struct fib * fibptr; 2501da177e4SLinus Torvalds unsigned instance; 2511da177e4SLinus Torvalds struct aac_get_container_count *dinfo; 2521da177e4SLinus Torvalds struct aac_get_container_count_resp *dresp; 2531da177e4SLinus Torvalds int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds instance = dev->scsi_host_ptr->unique_id; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 2581da177e4SLinus Torvalds return -ENOMEM; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds fib_init(fibptr); 2611da177e4SLinus Torvalds dinfo = (struct aac_get_container_count *) fib_data(fibptr); 2621da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 2631da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT); 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds status = fib_send(ContainerCommand, 2661da177e4SLinus Torvalds fibptr, 2671da177e4SLinus Torvalds sizeof (struct aac_get_container_count), 2681da177e4SLinus Torvalds FsaNormal, 2691da177e4SLinus Torvalds 1, 1, 2701da177e4SLinus Torvalds NULL, NULL); 2711da177e4SLinus Torvalds if (status >= 0) { 2721da177e4SLinus Torvalds dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); 2731da177e4SLinus Torvalds maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); 2741da177e4SLinus Torvalds fib_complete(fibptr); 2751da177e4SLinus Torvalds } 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) 2781da177e4SLinus Torvalds maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( 2811da177e4SLinus Torvalds sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); 2821da177e4SLinus Torvalds if (!fsa_dev_ptr) { 2831da177e4SLinus Torvalds fib_free(fibptr); 2841da177e4SLinus Torvalds return -ENOMEM; 2851da177e4SLinus Torvalds } 2861da177e4SLinus Torvalds memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds dev->fsa_dev = fsa_dev_ptr; 2891da177e4SLinus Torvalds dev->maximum_num_containers = maximum_num_containers; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds for (index = 0; index < dev->maximum_num_containers; index++) { 2921da177e4SLinus Torvalds struct aac_query_mount *dinfo; 2931da177e4SLinus Torvalds struct aac_mount *dresp; 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds fsa_dev_ptr[index].devname[0] = '\0'; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds fib_init(fibptr); 2981da177e4SLinus Torvalds dinfo = (struct aac_query_mount *) fib_data(fibptr); 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 3011da177e4SLinus Torvalds dinfo->count = cpu_to_le32(index); 3021da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvalds status = fib_send(ContainerCommand, 3051da177e4SLinus Torvalds fibptr, 3061da177e4SLinus Torvalds sizeof (struct aac_query_mount), 3071da177e4SLinus Torvalds FsaNormal, 3081da177e4SLinus Torvalds 1, 1, 3091da177e4SLinus Torvalds NULL, NULL); 3101da177e4SLinus Torvalds if (status < 0 ) { 3111da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); 3121da177e4SLinus Torvalds break; 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds dresp = (struct aac_mount *)fib_data(fibptr); 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds dprintk ((KERN_DEBUG 3171da177e4SLinus Torvalds "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n", 3181da177e4SLinus Torvalds (int)index, (int)le32_to_cpu(dresp->status), 3191da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].vol), 3201da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].state), 3211da177e4SLinus Torvalds (unsigned)le32_to_cpu(dresp->mnt[0].capacity))); 3221da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 3231da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 3241da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 3251da177e4SLinus Torvalds fsa_dev_ptr[index].valid = 1; 3261da177e4SLinus Torvalds fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); 3271da177e4SLinus Torvalds fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity); 3281da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 3291da177e4SLinus Torvalds fsa_dev_ptr[index].ro = 1; 3301da177e4SLinus Torvalds } 3311da177e4SLinus Torvalds fib_complete(fibptr); 3321da177e4SLinus Torvalds /* 3331da177e4SLinus Torvalds * If there are no more containers, then stop asking. 3341da177e4SLinus Torvalds */ 3351da177e4SLinus Torvalds if ((index + 1) >= le32_to_cpu(dresp->count)){ 3361da177e4SLinus Torvalds break; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds } 3391da177e4SLinus Torvalds fib_free(fibptr); 3401da177e4SLinus Torvalds return status; 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds static void aac_io_done(struct scsi_cmnd * scsicmd) 3441da177e4SLinus Torvalds { 3451da177e4SLinus Torvalds unsigned long cpu_flags; 3461da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 3471da177e4SLinus Torvalds spin_lock_irqsave(host->host_lock, cpu_flags); 3481da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 3491da177e4SLinus Torvalds spin_unlock_irqrestore(host->host_lock, cpu_flags); 3501da177e4SLinus Torvalds } 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds static void get_container_name_callback(void *context, struct fib * fibptr) 3531da177e4SLinus Torvalds { 3541da177e4SLinus Torvalds struct aac_get_name_resp * get_name_reply; 3551da177e4SLinus Torvalds struct scsi_cmnd * scsicmd; 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); 3601da177e4SLinus Torvalds if (fibptr == NULL) 3611da177e4SLinus Torvalds BUG(); 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); 3641da177e4SLinus Torvalds /* Failure is irrelevant, using default value instead */ 3651da177e4SLinus Torvalds if ((le32_to_cpu(get_name_reply->status) == CT_OK) 3661da177e4SLinus Torvalds && (get_name_reply->data[0] != '\0')) { 3671da177e4SLinus Torvalds int count; 3681da177e4SLinus Torvalds char * dp; 3691da177e4SLinus Torvalds char * sp = get_name_reply->data; 3701da177e4SLinus Torvalds sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; 3711da177e4SLinus Torvalds while (*sp == ' ') 3721da177e4SLinus Torvalds ++sp; 3731da177e4SLinus Torvalds count = sizeof(((struct inquiry_data *)NULL)->inqd_pid); 3741da177e4SLinus Torvalds dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid; 3751da177e4SLinus Torvalds if (*sp) do { 3761da177e4SLinus Torvalds *dp++ = (*sp) ? *sp++ : ' '; 3771da177e4SLinus Torvalds } while (--count > 0); 3781da177e4SLinus Torvalds } 3791da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds fib_complete(fibptr); 3821da177e4SLinus Torvalds fib_free(fibptr); 3831da177e4SLinus Torvalds aac_io_done(scsicmd); 3841da177e4SLinus Torvalds } 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds /** 3871da177e4SLinus Torvalds * aac_get_container_name - get container name, none blocking. 3881da177e4SLinus Torvalds */ 3891da177e4SLinus Torvalds static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) 3901da177e4SLinus Torvalds { 3911da177e4SLinus Torvalds int status; 3921da177e4SLinus Torvalds struct aac_get_name *dinfo; 3931da177e4SLinus Torvalds struct fib * cmd_fibcontext; 3941da177e4SLinus Torvalds struct aac_dev * dev; 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 3971da177e4SLinus Torvalds 3981da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) 3991da177e4SLinus Torvalds return -ENOMEM; 4001da177e4SLinus Torvalds 4011da177e4SLinus Torvalds fib_init(cmd_fibcontext); 4021da177e4SLinus Torvalds dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 4051da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_READ_NAME); 4061da177e4SLinus Torvalds dinfo->cid = cpu_to_le32(cid); 4071da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4101da177e4SLinus Torvalds cmd_fibcontext, 4111da177e4SLinus Torvalds sizeof (struct aac_get_name), 4121da177e4SLinus Torvalds FsaNormal, 4131da177e4SLinus Torvalds 0, 1, 4141da177e4SLinus Torvalds (fib_callback) get_container_name_callback, 4151da177e4SLinus Torvalds (void *) scsicmd); 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds /* 4181da177e4SLinus Torvalds * Check that the command queued to the controller 4191da177e4SLinus Torvalds */ 4201da177e4SLinus Torvalds if (status == -EINPROGRESS) 4211da177e4SLinus Torvalds return 0; 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status); 4241da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 4251da177e4SLinus Torvalds fib_free(cmd_fibcontext); 4261da177e4SLinus Torvalds return -1; 4271da177e4SLinus Torvalds } 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds /** 4301da177e4SLinus Torvalds * probe_container - query a logical volume 4311da177e4SLinus Torvalds * @dev: device to query 4321da177e4SLinus Torvalds * @cid: container identifier 4331da177e4SLinus Torvalds * 4341da177e4SLinus Torvalds * Queries the controller about the given volume. The volume information 4351da177e4SLinus Torvalds * is updated in the struct fsa_dev_info structure rather than returned. 4361da177e4SLinus Torvalds */ 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds static int probe_container(struct aac_dev *dev, int cid) 4391da177e4SLinus Torvalds { 4401da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 4411da177e4SLinus Torvalds int status; 4421da177e4SLinus Torvalds struct aac_query_mount *dinfo; 4431da177e4SLinus Torvalds struct aac_mount *dresp; 4441da177e4SLinus Torvalds struct fib * fibptr; 4451da177e4SLinus Torvalds unsigned instance; 4461da177e4SLinus Torvalds 4471da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 4481da177e4SLinus Torvalds instance = dev->scsi_host_ptr->unique_id; 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 4511da177e4SLinus Torvalds return -ENOMEM; 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds fib_init(fibptr); 4541da177e4SLinus Torvalds 4551da177e4SLinus Torvalds dinfo = (struct aac_query_mount *)fib_data(fibptr); 4561da177e4SLinus Torvalds 4571da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 4581da177e4SLinus Torvalds dinfo->count = cpu_to_le32(cid); 4591da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4621da177e4SLinus Torvalds fibptr, 4631da177e4SLinus Torvalds sizeof(struct aac_query_mount), 4641da177e4SLinus Torvalds FsaNormal, 4651da177e4SLinus Torvalds 1, 1, 4661da177e4SLinus Torvalds NULL, NULL); 4671da177e4SLinus Torvalds if (status < 0) { 4687c00ffa3SMark Haverkamp printk(KERN_WARNING "aacraid: probe_container query failed.\n"); 4691da177e4SLinus Torvalds goto error; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds dresp = (struct aac_mount *) fib_data(fibptr); 4731da177e4SLinus Torvalds 4741da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 4751da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 4761da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 4771da177e4SLinus Torvalds fsa_dev_ptr[cid].valid = 1; 4781da177e4SLinus Torvalds fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); 4791da177e4SLinus Torvalds fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity); 4801da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 4811da177e4SLinus Torvalds fsa_dev_ptr[cid].ro = 1; 4821da177e4SLinus Torvalds } 4831da177e4SLinus Torvalds 4841da177e4SLinus Torvalds error: 4851da177e4SLinus Torvalds fib_complete(fibptr); 4861da177e4SLinus Torvalds fib_free(fibptr); 4871da177e4SLinus Torvalds 4881da177e4SLinus Torvalds return status; 4891da177e4SLinus Torvalds } 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds /* Local Structure to set SCSI inquiry data strings */ 4921da177e4SLinus Torvalds struct scsi_inq { 4931da177e4SLinus Torvalds char vid[8]; /* Vendor ID */ 4941da177e4SLinus Torvalds char pid[16]; /* Product ID */ 4951da177e4SLinus Torvalds char prl[4]; /* Product Revision Level */ 4961da177e4SLinus Torvalds }; 4971da177e4SLinus Torvalds 4981da177e4SLinus Torvalds /** 4991da177e4SLinus Torvalds * InqStrCopy - string merge 5001da177e4SLinus Torvalds * @a: string to copy from 5011da177e4SLinus Torvalds * @b: string to copy to 5021da177e4SLinus Torvalds * 5031da177e4SLinus Torvalds * Copy a String from one location to another 5041da177e4SLinus Torvalds * without copying \0 5051da177e4SLinus Torvalds */ 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds static void inqstrcpy(char *a, char *b) 5081da177e4SLinus Torvalds { 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds while(*a != (char)0) 5111da177e4SLinus Torvalds *b++ = *a++; 5121da177e4SLinus Torvalds } 5131da177e4SLinus Torvalds 5141da177e4SLinus Torvalds static char *container_types[] = { 5151da177e4SLinus Torvalds "None", 5161da177e4SLinus Torvalds "Volume", 5171da177e4SLinus Torvalds "Mirror", 5181da177e4SLinus Torvalds "Stripe", 5191da177e4SLinus Torvalds "RAID5", 5201da177e4SLinus Torvalds "SSRW", 5211da177e4SLinus Torvalds "SSRO", 5221da177e4SLinus Torvalds "Morph", 5231da177e4SLinus Torvalds "Legacy", 5241da177e4SLinus Torvalds "RAID4", 5251da177e4SLinus Torvalds "RAID10", 5261da177e4SLinus Torvalds "RAID00", 5271da177e4SLinus Torvalds "V-MIRRORS", 5281da177e4SLinus Torvalds "PSEUDO R4", 5291da177e4SLinus Torvalds "RAID50", 5301da177e4SLinus Torvalds "Unknown" 5311da177e4SLinus Torvalds }; 5321da177e4SLinus Torvalds 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds /* Function: setinqstr 5361da177e4SLinus Torvalds * 5371da177e4SLinus Torvalds * Arguments: [1] pointer to void [1] int 5381da177e4SLinus Torvalds * 5391da177e4SLinus Torvalds * Purpose: Sets SCSI inquiry data strings for vendor, product 5401da177e4SLinus Torvalds * and revision level. Allows strings to be set in platform dependant 5411da177e4SLinus Torvalds * files instead of in OS dependant driver source. 5421da177e4SLinus Torvalds */ 5431da177e4SLinus Torvalds 5441da177e4SLinus Torvalds static void setinqstr(int devtype, void *data, int tindex) 5451da177e4SLinus Torvalds { 5461da177e4SLinus Torvalds struct scsi_inq *str; 5471da177e4SLinus Torvalds struct aac_driver_ident *mp; 5481da177e4SLinus Torvalds 5491da177e4SLinus Torvalds mp = aac_get_driver_ident(devtype); 5501da177e4SLinus Torvalds 5511da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ 5521da177e4SLinus Torvalds 5531da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid); 5541da177e4SLinus Torvalds inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */ 5551da177e4SLinus Torvalds 5561da177e4SLinus Torvalds if (tindex < (sizeof(container_types)/sizeof(char *))){ 5571da177e4SLinus Torvalds char *findit = str->pid; 5581da177e4SLinus Torvalds 5591da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */ 5601da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */ 5611da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0) 5621da177e4SLinus Torvalds *(findit -= 4) = ' '; 5631da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1); 5641da177e4SLinus Torvalds } 5651da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl); 5661da177e4SLinus Torvalds } 5671da177e4SLinus Torvalds 5684833869eSAdrian Bunk static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, 5691da177e4SLinus Torvalds u8 a_sense_code, u8 incorrect_length, 5701da177e4SLinus Torvalds u8 bit_pointer, u16 field_pointer, 5711da177e4SLinus Torvalds u32 residue) 5721da177e4SLinus Torvalds { 5731da177e4SLinus Torvalds sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ 5741da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */ 5751da177e4SLinus Torvalds 5761da177e4SLinus Torvalds if (incorrect_length) { 5771da177e4SLinus Torvalds sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ 5781da177e4SLinus Torvalds sense_buf[3] = BYTE3(residue); 5791da177e4SLinus Torvalds sense_buf[4] = BYTE2(residue); 5801da177e4SLinus Torvalds sense_buf[5] = BYTE1(residue); 5811da177e4SLinus Torvalds sense_buf[6] = BYTE0(residue); 5821da177e4SLinus Torvalds } else 5831da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */ 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) 5861da177e4SLinus Torvalds sense_buf[7] = 10; /* Additional sense length */ 5871da177e4SLinus Torvalds else 5881da177e4SLinus Torvalds sense_buf[7] = 6; /* Additional sense length */ 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */ 5911da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ 5921da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) { 5931da177e4SLinus Torvalds sense_buf[15] = 0; 5941da177e4SLinus Torvalds 5951da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_PARAM_FIELD) 5961da177e4SLinus Torvalds sense_buf[15] = 0x80;/* Std sense key specific field */ 5971da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */ 5981da177e4SLinus Torvalds 5991da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD) 6001da177e4SLinus Torvalds sense_buf[15] = 0xc0;/* Std sense key specific field */ 6011da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */ 6021da177e4SLinus Torvalds sense_buf[15] |= bit_pointer; 6031da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */ 6041da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */ 6051da177e4SLinus Torvalds } 6061da177e4SLinus Torvalds } 6071da177e4SLinus Torvalds 6081da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev) 6091da177e4SLinus Torvalds { 6101da177e4SLinus Torvalds struct fib* fibptr; 6111da177e4SLinus Torvalds int rcode; 6121da177e4SLinus Torvalds u32 tmp; 6137c00ffa3SMark Haverkamp struct aac_adapter_info * info; 6147c00ffa3SMark Haverkamp 6151da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 6161da177e4SLinus Torvalds return -ENOMEM; 6171da177e4SLinus Torvalds 6181da177e4SLinus Torvalds fib_init(fibptr); 6191da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr); 6207c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds rcode = fib_send(RequestAdapterInfo, 6231da177e4SLinus Torvalds fibptr, 6247c00ffa3SMark Haverkamp sizeof(*info), 6251da177e4SLinus Torvalds FsaNormal, 6261da177e4SLinus Torvalds 1, 1, 6271da177e4SLinus Torvalds NULL, 6281da177e4SLinus Torvalds NULL); 6291da177e4SLinus Torvalds 6307c00ffa3SMark Haverkamp if (rcode < 0) { 6317c00ffa3SMark Haverkamp fib_complete(fibptr); 6327c00ffa3SMark Haverkamp fib_free(fibptr); 6337c00ffa3SMark Haverkamp return rcode; 6347c00ffa3SMark Haverkamp } 6357c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info)); 6367c00ffa3SMark Haverkamp 6377c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { 6387c00ffa3SMark Haverkamp struct aac_supplement_adapter_info * info; 6397c00ffa3SMark Haverkamp 6407c00ffa3SMark Haverkamp fib_init(fibptr); 6417c00ffa3SMark Haverkamp 6427c00ffa3SMark Haverkamp info = (struct aac_supplement_adapter_info *) fib_data(fibptr); 6437c00ffa3SMark Haverkamp 6447c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6457c00ffa3SMark Haverkamp 6467c00ffa3SMark Haverkamp rcode = fib_send(RequestSupplementAdapterInfo, 6477c00ffa3SMark Haverkamp fibptr, 6487c00ffa3SMark Haverkamp sizeof(*info), 6497c00ffa3SMark Haverkamp FsaNormal, 6507c00ffa3SMark Haverkamp 1, 1, 6517c00ffa3SMark Haverkamp NULL, 6527c00ffa3SMark Haverkamp NULL); 6537c00ffa3SMark Haverkamp 6547c00ffa3SMark Haverkamp if (rcode >= 0) 6557c00ffa3SMark Haverkamp memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); 6567c00ffa3SMark Haverkamp } 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev); 6597c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 6601da177e4SLinus Torvalds dev->name, 6611da177e4SLinus Torvalds dev->id, 6621da177e4SLinus Torvalds tmp>>24, 6631da177e4SLinus Torvalds (tmp>>16)&0xff, 6641da177e4SLinus Torvalds tmp&0xff, 6657c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild), 6667c00ffa3SMark Haverkamp (int)sizeof(dev->supplement_adapter_info.BuildDate), 6677c00ffa3SMark Haverkamp dev->supplement_adapter_info.BuildDate); 6681da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev); 6691da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 6701da177e4SLinus Torvalds dev->name, dev->id, 6711da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 6721da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild)); 6731da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev); 6741da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 6751da177e4SLinus Torvalds dev->name, dev->id, 6761da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 6771da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild)); 6781da177e4SLinus Torvalds if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 6791da177e4SLinus Torvalds printk(KERN_INFO "%s%d: serial %x\n", 6801da177e4SLinus Torvalds dev->name, dev->id, 6811da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.serial[0])); 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds dev->nondasd_support = 0; 6841da177e4SLinus Torvalds dev->raid_scsi_mode = 0; 6851da177e4SLinus Torvalds if(dev->adapter_info.options & AAC_OPT_NONDASD){ 6861da177e4SLinus Torvalds dev->nondasd_support = 1; 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds /* 6901da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently 6911da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will 6921da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag 6931da177e4SLinus Torvalds * additional changes changes will have to be made to support 6941da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be 6951da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of 6961da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the 6971da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the 6981da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only. 6991da177e4SLinus Torvalds */ 7001da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && 7011da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { 7021da177e4SLinus Torvalds dev->nondasd_support = 1; 7031da177e4SLinus Torvalds dev->raid_scsi_mode = 1; 7041da177e4SLinus Torvalds } 7051da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0) 7061da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", 7071da177e4SLinus Torvalds dev->name, dev->id); 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvalds if(nondasd != -1) { 7101da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0); 7111da177e4SLinus Torvalds } 7121da177e4SLinus Torvalds if(dev->nondasd_support != 0){ 7131da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 7141da177e4SLinus Torvalds } 7151da177e4SLinus Torvalds 7161da177e4SLinus Torvalds dev->dac_support = 0; 7171da177e4SLinus Torvalds if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ 7181da177e4SLinus Torvalds printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); 7191da177e4SLinus Torvalds dev->dac_support = 1; 7201da177e4SLinus Torvalds } 7211da177e4SLinus Torvalds 7221da177e4SLinus Torvalds if(dacmode != -1) { 7231da177e4SLinus Torvalds dev->dac_support = (dacmode!=0); 7241da177e4SLinus Torvalds } 7251da177e4SLinus Torvalds if(dev->dac_support != 0) { 7261da177e4SLinus Torvalds if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) && 7271da177e4SLinus Torvalds !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) { 7281da177e4SLinus Torvalds printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 7291da177e4SLinus Torvalds dev->name, dev->id); 7301da177e4SLinus Torvalds } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) && 7311da177e4SLinus Torvalds !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) { 7321da177e4SLinus Torvalds printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 7331da177e4SLinus Torvalds dev->name, dev->id); 7341da177e4SLinus Torvalds dev->dac_support = 0; 7351da177e4SLinus Torvalds } else { 7361da177e4SLinus Torvalds printk(KERN_WARNING"%s%d: No suitable DMA available.\n", 7371da177e4SLinus Torvalds dev->name, dev->id); 7381da177e4SLinus Torvalds rcode = -ENOMEM; 7391da177e4SLinus Torvalds } 7401da177e4SLinus Torvalds } 7417c00ffa3SMark Haverkamp /* 7427c00ffa3SMark Haverkamp * 57 scatter gather elements 7437c00ffa3SMark Haverkamp */ 7447c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - 7457c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 7467c00ffa3SMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgmap)) / 7477c00ffa3SMark Haverkamp sizeof(struct sgmap); 7487c00ffa3SMark Haverkamp if (dev->dac_support) { 7497c00ffa3SMark Haverkamp /* 7507c00ffa3SMark Haverkamp * 38 scatter gather elements 7517c00ffa3SMark Haverkamp */ 7527c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = 7537c00ffa3SMark Haverkamp (dev->max_fib_size - 7547c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 7557c00ffa3SMark Haverkamp sizeof(struct aac_write64) + 7567c00ffa3SMark Haverkamp sizeof(struct sgmap64)) / 7577c00ffa3SMark Haverkamp sizeof(struct sgmap64); 7587c00ffa3SMark Haverkamp } 7597c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; 7607c00ffa3SMark Haverkamp if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { 7617c00ffa3SMark Haverkamp /* 7627c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when 7637c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB. 7647c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what 7657c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is 7667c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB 7677c00ffa3SMark Haverkamp * element. 7687c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB 7697c00ffa3SMark Haverkamp */ 7707c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = 7717c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112; 7727c00ffa3SMark Haverkamp } 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds fib_complete(fibptr); 7751da177e4SLinus Torvalds fib_free(fibptr); 7761da177e4SLinus Torvalds 7771da177e4SLinus Torvalds return rcode; 7781da177e4SLinus Torvalds } 7791da177e4SLinus Torvalds 7801da177e4SLinus Torvalds 7811da177e4SLinus Torvalds static void read_callback(void *context, struct fib * fibptr) 7821da177e4SLinus Torvalds { 7831da177e4SLinus Torvalds struct aac_dev *dev; 7841da177e4SLinus Torvalds struct aac_read_reply *readreply; 7851da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 7861da177e4SLinus Torvalds u32 lba; 7871da177e4SLinus Torvalds u32 cid; 7881da177e4SLinus Torvalds 7891da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 7921da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 7951da177e4SLinus Torvalds dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds if (fibptr == NULL) 7981da177e4SLinus Torvalds BUG(); 7991da177e4SLinus Torvalds 8001da177e4SLinus Torvalds if(scsicmd->use_sg) 8011da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8021da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8031da177e4SLinus Torvalds scsicmd->use_sg, 8041da177e4SLinus Torvalds scsicmd->sc_data_direction); 8051da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8061da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8071da177e4SLinus Torvalds scsicmd->request_bufflen, 8081da177e4SLinus Torvalds scsicmd->sc_data_direction); 8091da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr); 8101da177e4SLinus Torvalds if (le32_to_cpu(readreply->status) == ST_OK) 8111da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 8121da177e4SLinus Torvalds else { 8137c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO 8147c00ffa3SMark Haverkamp printk(KERN_WARNING "read_callback: io failed, status = %d\n", 8151da177e4SLinus Torvalds le32_to_cpu(readreply->status)); 8167c00ffa3SMark Haverkamp #endif 8171da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 8181da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 8191da177e4SLinus Torvalds HARDWARE_ERROR, 8201da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 8211da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 8221da177e4SLinus Torvalds 0, 0); 8231da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 8241da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 8251da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 8261da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds fib_complete(fibptr); 8291da177e4SLinus Torvalds fib_free(fibptr); 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvalds aac_io_done(scsicmd); 8321da177e4SLinus Torvalds } 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvalds static void write_callback(void *context, struct fib * fibptr) 8351da177e4SLinus Torvalds { 8361da177e4SLinus Torvalds struct aac_dev *dev; 8371da177e4SLinus Torvalds struct aac_write_reply *writereply; 8381da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 8391da177e4SLinus Torvalds u32 lba; 8401da177e4SLinus Torvalds u32 cid; 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 8431da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8441da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 8451da177e4SLinus Torvalds 8461da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 8471da177e4SLinus Torvalds dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); 8481da177e4SLinus Torvalds if (fibptr == NULL) 8491da177e4SLinus Torvalds BUG(); 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvalds if(scsicmd->use_sg) 8521da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8531da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8541da177e4SLinus Torvalds scsicmd->use_sg, 8551da177e4SLinus Torvalds scsicmd->sc_data_direction); 8561da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8571da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8581da177e4SLinus Torvalds scsicmd->request_bufflen, 8591da177e4SLinus Torvalds scsicmd->sc_data_direction); 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvalds writereply = (struct aac_write_reply *) fib_data(fibptr); 8621da177e4SLinus Torvalds if (le32_to_cpu(writereply->status) == ST_OK) 8631da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 8641da177e4SLinus Torvalds else { 8651da177e4SLinus Torvalds printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status); 8661da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 8671da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 8681da177e4SLinus Torvalds HARDWARE_ERROR, 8691da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 8701da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 8711da177e4SLinus Torvalds 0, 0); 8721da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 8731da177e4SLinus Torvalds sizeof(struct sense_data)); 8741da177e4SLinus Torvalds } 8751da177e4SLinus Torvalds 8761da177e4SLinus Torvalds fib_complete(fibptr); 8771da177e4SLinus Torvalds fib_free(fibptr); 8781da177e4SLinus Torvalds aac_io_done(scsicmd); 8791da177e4SLinus Torvalds } 8801da177e4SLinus Torvalds 8814833869eSAdrian Bunk static int aac_read(struct scsi_cmnd * scsicmd, int cid) 8821da177e4SLinus Torvalds { 8831da177e4SLinus Torvalds u32 lba; 8841da177e4SLinus Torvalds u32 count; 8851da177e4SLinus Torvalds int status; 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvalds u16 fibsize; 8881da177e4SLinus Torvalds struct aac_dev *dev; 8891da177e4SLinus Torvalds struct fib * cmd_fibcontext; 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8921da177e4SLinus Torvalds /* 8931da177e4SLinus Torvalds * Get block address and transfer length 8941da177e4SLinus Torvalds */ 8951da177e4SLinus Torvalds if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ 8961da177e4SLinus Torvalds { 8971da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 9001da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds if (count == 0) 9031da177e4SLinus Torvalds count = 256; 9041da177e4SLinus Torvalds } else { 9051da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 9081da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 9091da177e4SLinus Torvalds } 9107c00ffa3SMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", 9117c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies)); 9121da177e4SLinus Torvalds /* 9131da177e4SLinus Torvalds * Alocate and initialize a Fib 9141da177e4SLinus Torvalds */ 9151da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 9161da177e4SLinus Torvalds return -1; 9171da177e4SLinus Torvalds } 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvalds fib_init(cmd_fibcontext); 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvalds if (dev->dac_support == 1) { 9221da177e4SLinus Torvalds struct aac_read64 *readcmd; 9231da177e4SLinus Torvalds readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); 9241da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtHostRead64); 9251da177e4SLinus Torvalds readcmd->cid = cpu_to_le16(cid); 9261da177e4SLinus Torvalds readcmd->sector_count = cpu_to_le16(count); 9271da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9281da177e4SLinus Torvalds readcmd->pad = 0; 9291da177e4SLinus Torvalds readcmd->flags = 0; 9301da177e4SLinus Torvalds 9311da177e4SLinus Torvalds aac_build_sg64(scsicmd, &readcmd->sg); 9321da177e4SLinus Torvalds fibsize = sizeof(struct aac_read64) + 9331da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9341da177e4SLinus Torvalds sizeof (struct sgentry64)); 9351da177e4SLinus Torvalds BUG_ON (fibsize > (sizeof(struct hw_fib) - 9361da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 9371da177e4SLinus Torvalds /* 9381da177e4SLinus Torvalds * Now send the Fib to the adapter 9391da177e4SLinus Torvalds */ 9401da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 9411da177e4SLinus Torvalds cmd_fibcontext, 9421da177e4SLinus Torvalds fibsize, 9431da177e4SLinus Torvalds FsaNormal, 9441da177e4SLinus Torvalds 0, 1, 9451da177e4SLinus Torvalds (fib_callback) read_callback, 9461da177e4SLinus Torvalds (void *) scsicmd); 9471da177e4SLinus Torvalds } else { 9481da177e4SLinus Torvalds struct aac_read *readcmd; 9491da177e4SLinus Torvalds readcmd = (struct aac_read *) fib_data(cmd_fibcontext); 9501da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtBlockRead); 9511da177e4SLinus Torvalds readcmd->cid = cpu_to_le32(cid); 9521da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9531da177e4SLinus Torvalds readcmd->count = cpu_to_le32(count * 512); 9541da177e4SLinus Torvalds 9551da177e4SLinus Torvalds aac_build_sg(scsicmd, &readcmd->sg); 9561da177e4SLinus Torvalds fibsize = sizeof(struct aac_read) + 9571da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9581da177e4SLinus Torvalds sizeof (struct sgentry)); 9597c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 9601da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 9611da177e4SLinus Torvalds /* 9621da177e4SLinus Torvalds * Now send the Fib to the adapter 9631da177e4SLinus Torvalds */ 9641da177e4SLinus Torvalds status = fib_send(ContainerCommand, 9651da177e4SLinus Torvalds cmd_fibcontext, 9661da177e4SLinus Torvalds fibsize, 9671da177e4SLinus Torvalds FsaNormal, 9681da177e4SLinus Torvalds 0, 1, 9691da177e4SLinus Torvalds (fib_callback) read_callback, 9701da177e4SLinus Torvalds (void *) scsicmd); 9711da177e4SLinus Torvalds } 9721da177e4SLinus Torvalds 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvalds 9751da177e4SLinus Torvalds /* 9761da177e4SLinus Torvalds * Check that the command queued to the controller 9771da177e4SLinus Torvalds */ 9781da177e4SLinus Torvalds if (status == -EINPROGRESS) 9791da177e4SLinus Torvalds return 0; 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvalds printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); 9821da177e4SLinus Torvalds /* 9831da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 9841da177e4SLinus Torvalds */ 9851da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 9861da177e4SLinus Torvalds aac_io_done(scsicmd); 9871da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 9881da177e4SLinus Torvalds fib_free(cmd_fibcontext); 9891da177e4SLinus Torvalds return 0; 9901da177e4SLinus Torvalds } 9911da177e4SLinus Torvalds 9921da177e4SLinus Torvalds static int aac_write(struct scsi_cmnd * scsicmd, int cid) 9931da177e4SLinus Torvalds { 9941da177e4SLinus Torvalds u32 lba; 9951da177e4SLinus Torvalds u32 count; 9961da177e4SLinus Torvalds int status; 9971da177e4SLinus Torvalds u16 fibsize; 9981da177e4SLinus Torvalds struct aac_dev *dev; 9991da177e4SLinus Torvalds struct fib * cmd_fibcontext; 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 10021da177e4SLinus Torvalds /* 10031da177e4SLinus Torvalds * Get block address and transfer length 10041da177e4SLinus Torvalds */ 10051da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ 10061da177e4SLinus Torvalds { 10071da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 10081da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 10091da177e4SLinus Torvalds if (count == 0) 10101da177e4SLinus Torvalds count = 256; 10111da177e4SLinus Torvalds } else { 10121da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); 10131da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 10141da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", 10171da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies)); 10181da177e4SLinus Torvalds /* 10191da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 10201da177e4SLinus Torvalds */ 10211da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 10221da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16; 10231da177e4SLinus Torvalds aac_io_done(scsicmd); 10241da177e4SLinus Torvalds return 0; 10251da177e4SLinus Torvalds } 10261da177e4SLinus Torvalds fib_init(cmd_fibcontext); 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvalds if(dev->dac_support == 1) { 10291da177e4SLinus Torvalds struct aac_write64 *writecmd; 10301da177e4SLinus Torvalds writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); 10311da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtHostWrite64); 10321da177e4SLinus Torvalds writecmd->cid = cpu_to_le16(cid); 10331da177e4SLinus Torvalds writecmd->sector_count = cpu_to_le16(count); 10341da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 10351da177e4SLinus Torvalds writecmd->pad = 0; 10361da177e4SLinus Torvalds writecmd->flags = 0; 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvalds aac_build_sg64(scsicmd, &writecmd->sg); 10391da177e4SLinus Torvalds fibsize = sizeof(struct aac_write64) + 10401da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 10411da177e4SLinus Torvalds sizeof (struct sgentry64)); 10427c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10431da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10441da177e4SLinus Torvalds /* 10451da177e4SLinus Torvalds * Now send the Fib to the adapter 10461da177e4SLinus Torvalds */ 10471da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 10481da177e4SLinus Torvalds cmd_fibcontext, 10491da177e4SLinus Torvalds fibsize, 10501da177e4SLinus Torvalds FsaNormal, 10511da177e4SLinus Torvalds 0, 1, 10521da177e4SLinus Torvalds (fib_callback) write_callback, 10531da177e4SLinus Torvalds (void *) scsicmd); 10541da177e4SLinus Torvalds } else { 10551da177e4SLinus Torvalds struct aac_write *writecmd; 10561da177e4SLinus Torvalds writecmd = (struct aac_write *) fib_data(cmd_fibcontext); 10571da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtBlockWrite); 10581da177e4SLinus Torvalds writecmd->cid = cpu_to_le32(cid); 10591da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 10601da177e4SLinus Torvalds writecmd->count = cpu_to_le32(count * 512); 10611da177e4SLinus Torvalds writecmd->sg.count = cpu_to_le32(1); 10621da177e4SLinus Torvalds /* ->stable is not used - it did mean which type of write */ 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvalds aac_build_sg(scsicmd, &writecmd->sg); 10651da177e4SLinus Torvalds fibsize = sizeof(struct aac_write) + 10661da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 10671da177e4SLinus Torvalds sizeof (struct sgentry)); 10687c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10691da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10701da177e4SLinus Torvalds /* 10711da177e4SLinus Torvalds * Now send the Fib to the adapter 10721da177e4SLinus Torvalds */ 10731da177e4SLinus Torvalds status = fib_send(ContainerCommand, 10741da177e4SLinus Torvalds cmd_fibcontext, 10751da177e4SLinus Torvalds fibsize, 10761da177e4SLinus Torvalds FsaNormal, 10771da177e4SLinus Torvalds 0, 1, 10781da177e4SLinus Torvalds (fib_callback) write_callback, 10791da177e4SLinus Torvalds (void *) scsicmd); 10801da177e4SLinus Torvalds } 10811da177e4SLinus Torvalds 10821da177e4SLinus Torvalds /* 10831da177e4SLinus Torvalds * Check that the command queued to the controller 10841da177e4SLinus Torvalds */ 10851da177e4SLinus Torvalds if (status == -EINPROGRESS) 10861da177e4SLinus Torvalds { 10871da177e4SLinus Torvalds return 0; 10881da177e4SLinus Torvalds } 10891da177e4SLinus Torvalds 10901da177e4SLinus Torvalds printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); 10911da177e4SLinus Torvalds /* 10921da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 10931da177e4SLinus Torvalds */ 10941da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 10951da177e4SLinus Torvalds aac_io_done(scsicmd); 10961da177e4SLinus Torvalds 10971da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 10981da177e4SLinus Torvalds fib_free(cmd_fibcontext); 10991da177e4SLinus Torvalds return 0; 11001da177e4SLinus Torvalds } 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr) 11031da177e4SLinus Torvalds { 11041da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply; 11051da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvalds cmd = context; 11081da177e4SLinus Torvalds 11091da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 11101da177e4SLinus Torvalds smp_processor_id(), jiffies)); 11111da177e4SLinus Torvalds BUG_ON(fibptr == NULL); 11121da177e4SLinus Torvalds 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvalds synchronizereply = fib_data(fibptr); 11151da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK) 11161da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11171da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 11181da177e4SLinus Torvalds else { 11191da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device; 11201da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 11211da177e4SLinus Torvalds u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); 11221da177e4SLinus Torvalds printk(KERN_WARNING 11231da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n", 11241da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status)); 11251da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11261da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 11271da177e4SLinus Torvalds set_sense((u8 *)&dev->fsa_dev[cid].sense_data, 11281da177e4SLinus Torvalds HARDWARE_ERROR, 11291da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 11301da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 11311da177e4SLinus Torvalds 0, 0); 11321da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 11331da177e4SLinus Torvalds min(sizeof(dev->fsa_dev[cid].sense_data), 11341da177e4SLinus Torvalds sizeof(cmd->sense_buffer))); 11351da177e4SLinus Torvalds } 11361da177e4SLinus Torvalds 11371da177e4SLinus Torvalds fib_complete(fibptr); 11381da177e4SLinus Torvalds fib_free(fibptr); 11391da177e4SLinus Torvalds aac_io_done(cmd); 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvalds static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) 11431da177e4SLinus Torvalds { 11441da177e4SLinus Torvalds int status; 11451da177e4SLinus Torvalds struct fib *cmd_fibcontext; 11461da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd; 11471da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11481da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device; 11491da177e4SLinus Torvalds int active = 0; 11501da177e4SLinus Torvalds unsigned long flags; 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvalds /* 11531da177e4SLinus Torvalds * Wait for all commands to complete to this specific 11541da177e4SLinus Torvalds * target (block). 11551da177e4SLinus Torvalds */ 11561da177e4SLinus Torvalds spin_lock_irqsave(&sdev->list_lock, flags); 11571da177e4SLinus Torvalds list_for_each_entry(cmd, &sdev->cmd_list, list) 11581da177e4SLinus Torvalds if (cmd != scsicmd && cmd->serial_number != 0) { 11591da177e4SLinus Torvalds ++active; 11601da177e4SLinus Torvalds break; 11611da177e4SLinus Torvalds } 11621da177e4SLinus Torvalds 11631da177e4SLinus Torvalds spin_unlock_irqrestore(&sdev->list_lock, flags); 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvalds /* 11661da177e4SLinus Torvalds * Yield the processor (requeue for later) 11671da177e4SLinus Torvalds */ 11681da177e4SLinus Torvalds if (active) 11691da177e4SLinus Torvalds return SCSI_MLQUEUE_DEVICE_BUSY; 11701da177e4SLinus Torvalds 11711da177e4SLinus Torvalds /* 11727c00ffa3SMark Haverkamp * Allocate and initialize a Fib 11731da177e4SLinus Torvalds */ 11741da177e4SLinus Torvalds if (!(cmd_fibcontext = 11751da177e4SLinus Torvalds fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) 11761da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds fib_init(cmd_fibcontext); 11791da177e4SLinus Torvalds 11801da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext); 11811da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); 11821da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); 11831da177e4SLinus Torvalds synchronizecmd->cid = cpu_to_le32(cid); 11841da177e4SLinus Torvalds synchronizecmd->count = 11851da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvalds /* 11881da177e4SLinus Torvalds * Now send the Fib to the adapter 11891da177e4SLinus Torvalds */ 11901da177e4SLinus Torvalds status = fib_send(ContainerCommand, 11911da177e4SLinus Torvalds cmd_fibcontext, 11921da177e4SLinus Torvalds sizeof(struct aac_synchronize), 11931da177e4SLinus Torvalds FsaNormal, 11941da177e4SLinus Torvalds 0, 1, 11951da177e4SLinus Torvalds (fib_callback)synchronize_callback, 11961da177e4SLinus Torvalds (void *)scsicmd); 11971da177e4SLinus Torvalds 11981da177e4SLinus Torvalds /* 11991da177e4SLinus Torvalds * Check that the command queued to the controller 12001da177e4SLinus Torvalds */ 12011da177e4SLinus Torvalds if (status == -EINPROGRESS) 12021da177e4SLinus Torvalds return 0; 12031da177e4SLinus Torvalds 12041da177e4SLinus Torvalds printk(KERN_WARNING 12051da177e4SLinus Torvalds "aac_synchronize: fib_send failed with status: %d.\n", status); 12061da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 12071da177e4SLinus Torvalds fib_free(cmd_fibcontext); 12081da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12091da177e4SLinus Torvalds } 12101da177e4SLinus Torvalds 12111da177e4SLinus Torvalds /** 12121da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command 12131da177e4SLinus Torvalds * @scsicmd: SCSI command block 12141da177e4SLinus Torvalds * 12151da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the 12161da177e4SLinus Torvalds * aacraid firmware. 12171da177e4SLinus Torvalds */ 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd) 12201da177e4SLinus Torvalds { 12211da177e4SLinus Torvalds u32 cid = 0; 12221da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 12231da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata; 12241da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; 12251da177e4SLinus Torvalds int cardtype = dev->cardtype; 12261da177e4SLinus Torvalds int ret; 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvalds /* 12291da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail 12301da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller 12311da177e4SLinus Torvalds * itself. 12321da177e4SLinus Torvalds */ 12331da177e4SLinus Torvalds if (scsicmd->device->id != host->this_id) { 12341da177e4SLinus Torvalds if ((scsicmd->device->channel == 0) ){ 12351da177e4SLinus Torvalds if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ 12361da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 12371da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12381da177e4SLinus Torvalds return 0; 12391da177e4SLinus Torvalds } 12401da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 12411da177e4SLinus Torvalds 12421da177e4SLinus Torvalds /* 12431da177e4SLinus Torvalds * If the target container doesn't exist, it may have 12441da177e4SLinus Torvalds * been newly created 12451da177e4SLinus Torvalds */ 12461da177e4SLinus Torvalds if ((fsa_dev_ptr[cid].valid & 1) == 0) { 12471da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 12481da177e4SLinus Torvalds case INQUIRY: 12491da177e4SLinus Torvalds case READ_CAPACITY: 12501da177e4SLinus Torvalds case TEST_UNIT_READY: 12511da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 12521da177e4SLinus Torvalds probe_container(dev, cid); 12531da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 12541da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 12551da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 12561da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12571da177e4SLinus Torvalds return 0; 12581da177e4SLinus Torvalds } 12591da177e4SLinus Torvalds default: 12601da177e4SLinus Torvalds break; 12611da177e4SLinus Torvalds } 12621da177e4SLinus Torvalds } 12631da177e4SLinus Torvalds /* 12641da177e4SLinus Torvalds * If the target container still doesn't exist, 12651da177e4SLinus Torvalds * return failure 12661da177e4SLinus Torvalds */ 12671da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 12681da177e4SLinus Torvalds scsicmd->result = DID_BAD_TARGET << 16; 12691da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12701da177e4SLinus Torvalds return 0; 12711da177e4SLinus Torvalds } 12721da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */ 12731da177e4SLinus Torvalds if(dev->nondasd_support == 1){ 12741da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd); 12751da177e4SLinus Torvalds } else { 12761da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 12771da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12781da177e4SLinus Torvalds return 0; 12791da177e4SLinus Torvalds } 12801da177e4SLinus Torvalds } 12811da177e4SLinus Torvalds } 12821da177e4SLinus Torvalds /* 12831da177e4SLinus Torvalds * else Command for the controller itself 12841da177e4SLinus Torvalds */ 12851da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ 12861da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY)) 12871da177e4SLinus Torvalds { 12881da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); 12891da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 12901da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 12911da177e4SLinus Torvalds ILLEGAL_REQUEST, 12921da177e4SLinus Torvalds SENCODE_INVALID_COMMAND, 12931da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 12941da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 12951da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 12961da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 12971da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 12981da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12991da177e4SLinus Torvalds return 0; 13001da177e4SLinus Torvalds } 13011da177e4SLinus Torvalds 13021da177e4SLinus Torvalds 13031da177e4SLinus Torvalds /* Handle commands here that don't really require going out to the adapter */ 13041da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13051da177e4SLinus Torvalds case INQUIRY: 13061da177e4SLinus Torvalds { 13071da177e4SLinus Torvalds struct inquiry_data *inq_data_ptr; 13081da177e4SLinus Torvalds 13091da177e4SLinus Torvalds dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); 13101da177e4SLinus Torvalds inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer; 13111da177e4SLinus Torvalds memset(inq_data_ptr, 0, sizeof (struct inquiry_data)); 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvalds inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */ 13141da177e4SLinus Torvalds inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ 13151da177e4SLinus Torvalds inq_data_ptr->inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */ 13161da177e4SLinus Torvalds inq_data_ptr->inqd_len = 31; 13171da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 13181da177e4SLinus Torvalds inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ 13191da177e4SLinus Torvalds /* 13201da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level 13211da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c 13221da177e4SLinus Torvalds */ 13231da177e4SLinus Torvalds if (scsicmd->device->id == host->this_id) { 13241da177e4SLinus Torvalds setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *))); 13251da177e4SLinus Torvalds inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */ 13261da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13271da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13281da177e4SLinus Torvalds return 0; 13291da177e4SLinus Torvalds } 13301da177e4SLinus Torvalds setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type); 13311da177e4SLinus Torvalds inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ 13321da177e4SLinus Torvalds return aac_get_container_name(scsicmd, cid); 13331da177e4SLinus Torvalds } 13341da177e4SLinus Torvalds case READ_CAPACITY: 13351da177e4SLinus Torvalds { 13361da177e4SLinus Torvalds u32 capacity; 13371da177e4SLinus Torvalds char *cp; 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n")); 13401da177e4SLinus Torvalds if (fsa_dev_ptr[cid].size <= 0x100000000LL) 13411da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1; 13421da177e4SLinus Torvalds else 13431da177e4SLinus Torvalds capacity = (u32)-1; 13441da177e4SLinus Torvalds cp = scsicmd->request_buffer; 13451da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff; 13461da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff; 13471da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff; 13481da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff; 13491da177e4SLinus Torvalds cp[4] = 0; 13501da177e4SLinus Torvalds cp[5] = 0; 13511da177e4SLinus Torvalds cp[6] = 2; 13521da177e4SLinus Torvalds cp[7] = 0; 13531da177e4SLinus Torvalds 13541da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13551da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvalds return 0; 13581da177e4SLinus Torvalds } 13591da177e4SLinus Torvalds 13601da177e4SLinus Torvalds case MODE_SENSE: 13611da177e4SLinus Torvalds { 13621da177e4SLinus Torvalds char *mode_buf; 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n")); 13651da177e4SLinus Torvalds mode_buf = scsicmd->request_buffer; 13661da177e4SLinus Torvalds mode_buf[0] = 3; /* Mode data length */ 13671da177e4SLinus Torvalds mode_buf[1] = 0; /* Medium type - default */ 13681da177e4SLinus Torvalds mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 13691da177e4SLinus Torvalds mode_buf[3] = 0; /* Block descriptor length */ 13701da177e4SLinus Torvalds 13711da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13721da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvalds return 0; 13751da177e4SLinus Torvalds } 13761da177e4SLinus Torvalds case MODE_SENSE_10: 13771da177e4SLinus Torvalds { 13781da177e4SLinus Torvalds char *mode_buf; 13791da177e4SLinus Torvalds 13801da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); 13811da177e4SLinus Torvalds mode_buf = scsicmd->request_buffer; 13821da177e4SLinus Torvalds mode_buf[0] = 0; /* Mode data length (MSB) */ 13831da177e4SLinus Torvalds mode_buf[1] = 6; /* Mode data length (LSB) */ 13841da177e4SLinus Torvalds mode_buf[2] = 0; /* Medium type - default */ 13851da177e4SLinus Torvalds mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 13861da177e4SLinus Torvalds mode_buf[4] = 0; /* reserved */ 13871da177e4SLinus Torvalds mode_buf[5] = 0; /* reserved */ 13881da177e4SLinus Torvalds mode_buf[6] = 0; /* Block descriptor length (MSB) */ 13891da177e4SLinus Torvalds mode_buf[7] = 0; /* Block descriptor length (LSB) */ 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13921da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvalds return 0; 13951da177e4SLinus Torvalds } 13961da177e4SLinus Torvalds case REQUEST_SENSE: 13971da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); 13981da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); 13991da177e4SLinus Torvalds memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); 14001da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14011da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14021da177e4SLinus Torvalds return 0; 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL: 14051da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n")); 14061da177e4SLinus Torvalds if (scsicmd->cmnd[4]) 14071da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1; 14081da177e4SLinus Torvalds else 14091da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0; 14101da177e4SLinus Torvalds 14111da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14121da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14131da177e4SLinus Torvalds return 0; 14141da177e4SLinus Torvalds /* 14151da177e4SLinus Torvalds * These commands are all No-Ops 14161da177e4SLinus Torvalds */ 14171da177e4SLinus Torvalds case TEST_UNIT_READY: 14181da177e4SLinus Torvalds case RESERVE: 14191da177e4SLinus Torvalds case RELEASE: 14201da177e4SLinus Torvalds case REZERO_UNIT: 14211da177e4SLinus Torvalds case REASSIGN_BLOCKS: 14221da177e4SLinus Torvalds case SEEK_10: 14231da177e4SLinus Torvalds case START_STOP: 14241da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14251da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14261da177e4SLinus Torvalds return 0; 14271da177e4SLinus Torvalds } 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) 14301da177e4SLinus Torvalds { 14311da177e4SLinus Torvalds case READ_6: 14321da177e4SLinus Torvalds case READ_10: 14331da177e4SLinus Torvalds /* 14341da177e4SLinus Torvalds * Hack to keep track of ordinal number of the device that 14351da177e4SLinus Torvalds * corresponds to a container. Needed to convert 14361da177e4SLinus Torvalds * containers to /dev/sd device names 14371da177e4SLinus Torvalds */ 14381da177e4SLinus Torvalds 14391da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 14401da177e4SLinus Torvalds if (scsicmd->request->rq_disk) 14411da177e4SLinus Torvalds memcpy(fsa_dev_ptr[cid].devname, 14421da177e4SLinus Torvalds scsicmd->request->rq_disk->disk_name, 14431da177e4SLinus Torvalds 8); 14441da177e4SLinus Torvalds 14451da177e4SLinus Torvalds ret = aac_read(scsicmd, cid); 14461da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 14471da177e4SLinus Torvalds return ret; 14481da177e4SLinus Torvalds 14491da177e4SLinus Torvalds case WRITE_6: 14501da177e4SLinus Torvalds case WRITE_10: 14511da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 14521da177e4SLinus Torvalds ret = aac_write(scsicmd, cid); 14531da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 14541da177e4SLinus Torvalds return ret; 14551da177e4SLinus Torvalds 14561da177e4SLinus Torvalds case SYNCHRONIZE_CACHE: 14571da177e4SLinus Torvalds /* Issue FIB to tell Firmware to flush it's cache */ 14581da177e4SLinus Torvalds return aac_synchronize(scsicmd, cid); 14591da177e4SLinus Torvalds 14601da177e4SLinus Torvalds default: 14611da177e4SLinus Torvalds /* 14621da177e4SLinus Torvalds * Unhandled commands 14631da177e4SLinus Torvalds */ 14647c00ffa3SMark Haverkamp dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); 14651da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 14661da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 14671da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 14681da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 14691da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 14701da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 14711da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 14721da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 14731da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14741da177e4SLinus Torvalds return 0; 14751da177e4SLinus Torvalds } 14761da177e4SLinus Torvalds } 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg) 14791da177e4SLinus Torvalds { 14801da177e4SLinus Torvalds struct aac_query_disk qd; 14811da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 14821da177e4SLinus Torvalds 14831da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 14841da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) 14851da177e4SLinus Torvalds return -EFAULT; 14861da177e4SLinus Torvalds if (qd.cnum == -1) 14871da177e4SLinus Torvalds qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); 14881da177e4SLinus Torvalds else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) 14891da177e4SLinus Torvalds { 14901da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) 14911da177e4SLinus Torvalds return -EINVAL; 14921da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no; 14931da177e4SLinus Torvalds qd.bus = 0; 14941da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum); 14951da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum); 14961da177e4SLinus Torvalds } 14971da177e4SLinus Torvalds else return -EINVAL; 14981da177e4SLinus Torvalds 14991da177e4SLinus Torvalds qd.valid = fsa_dev_ptr[qd.cnum].valid; 15001da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked; 15011da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted; 15021da177e4SLinus Torvalds 15031da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') 15041da177e4SLinus Torvalds qd.unmapped = 1; 15051da177e4SLinus Torvalds else 15061da177e4SLinus Torvalds qd.unmapped = 0; 15071da177e4SLinus Torvalds 15081da177e4SLinus Torvalds strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, 15091da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); 15101da177e4SLinus Torvalds 15111da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) 15121da177e4SLinus Torvalds return -EFAULT; 15131da177e4SLinus Torvalds return 0; 15141da177e4SLinus Torvalds } 15151da177e4SLinus Torvalds 15161da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg) 15171da177e4SLinus Torvalds { 15181da177e4SLinus Torvalds struct aac_delete_disk dd; 15191da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15201da177e4SLinus Torvalds 15211da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 15241da177e4SLinus Torvalds return -EFAULT; 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 15271da177e4SLinus Torvalds return -EINVAL; 15281da177e4SLinus Torvalds /* 15291da177e4SLinus Torvalds * Mark this container as being deleted. 15301da177e4SLinus Torvalds */ 15311da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1; 15321da177e4SLinus Torvalds /* 15331da177e4SLinus Torvalds * Mark the container as no longer valid 15341da177e4SLinus Torvalds */ 15351da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 15361da177e4SLinus Torvalds return 0; 15371da177e4SLinus Torvalds } 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg) 15401da177e4SLinus Torvalds { 15411da177e4SLinus Torvalds struct aac_delete_disk dd; 15421da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15451da177e4SLinus Torvalds 15461da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 15471da177e4SLinus Torvalds return -EFAULT; 15481da177e4SLinus Torvalds 15491da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 15501da177e4SLinus Torvalds return -EINVAL; 15511da177e4SLinus Torvalds /* 15521da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API. 15531da177e4SLinus Torvalds */ 15541da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked) 15551da177e4SLinus Torvalds return -EBUSY; 15561da177e4SLinus Torvalds else { 15571da177e4SLinus Torvalds /* 15581da177e4SLinus Torvalds * Mark the container as no longer being valid. 15591da177e4SLinus Torvalds */ 15601da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 15611da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0'; 15621da177e4SLinus Torvalds return 0; 15631da177e4SLinus Torvalds } 15641da177e4SLinus Torvalds } 15651da177e4SLinus Torvalds 15661da177e4SLinus Torvalds int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) 15671da177e4SLinus Torvalds { 15681da177e4SLinus Torvalds switch (cmd) { 15691da177e4SLinus Torvalds case FSACTL_QUERY_DISK: 15701da177e4SLinus Torvalds return query_disk(dev, arg); 15711da177e4SLinus Torvalds case FSACTL_DELETE_DISK: 15721da177e4SLinus Torvalds return delete_disk(dev, arg); 15731da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK: 15741da177e4SLinus Torvalds return force_delete_disk(dev, arg); 15751da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS: 15761da177e4SLinus Torvalds return aac_get_containers(dev); 15771da177e4SLinus Torvalds default: 15781da177e4SLinus Torvalds return -ENOTTY; 15791da177e4SLinus Torvalds } 15801da177e4SLinus Torvalds } 15811da177e4SLinus Torvalds 15821da177e4SLinus Torvalds /** 15831da177e4SLinus Torvalds * 15841da177e4SLinus Torvalds * aac_srb_callback 15851da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd 15861da177e4SLinus Torvalds * @fibptr: pointer to the fib 15871da177e4SLinus Torvalds * 15881da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device 15891da177e4SLinus Torvalds * 15901da177e4SLinus Torvalds */ 15911da177e4SLinus Torvalds 15921da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr) 15931da177e4SLinus Torvalds { 15941da177e4SLinus Torvalds struct aac_dev *dev; 15951da177e4SLinus Torvalds struct aac_srb_reply *srbreply; 15961da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 15971da177e4SLinus Torvalds 15981da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 15991da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvalds if (fibptr == NULL) 16021da177e4SLinus Torvalds BUG(); 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvalds srbreply = (struct aac_srb_reply *) fib_data(fibptr); 16051da177e4SLinus Torvalds 16061da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ 16071da177e4SLinus Torvalds /* 16081da177e4SLinus Torvalds * Calculate resid for sg 16091da177e4SLinus Torvalds */ 16101da177e4SLinus Torvalds 16111da177e4SLinus Torvalds scsicmd->resid = scsicmd->request_bufflen - 16121da177e4SLinus Torvalds le32_to_cpu(srbreply->data_xfer_length); 16131da177e4SLinus Torvalds 16141da177e4SLinus Torvalds if(scsicmd->use_sg) 16151da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 16161da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 16171da177e4SLinus Torvalds scsicmd->use_sg, 16181da177e4SLinus Torvalds scsicmd->sc_data_direction); 16191da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 16201da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, 16211da177e4SLinus Torvalds scsicmd->sc_data_direction); 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvalds /* 16241da177e4SLinus Torvalds * First check the fib status 16251da177e4SLinus Torvalds */ 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK){ 16281da177e4SLinus Torvalds int len; 16291da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); 16301da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 16311da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 16321da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 16331da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 16341da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 16351da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 16361da177e4SLinus Torvalds } 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds /* 16391da177e4SLinus Torvalds * Next check the srb status 16401da177e4SLinus Torvalds */ 16411da177e4SLinus Torvalds switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ 16421da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY: 16431da177e4SLinus Torvalds case SRB_STATUS_PENDING: 16441da177e4SLinus Torvalds case SRB_STATUS_SUCCESS: 16451da177e4SLinus Torvalds if(scsicmd->cmnd[0] == INQUIRY ){ 16461da177e4SLinus Torvalds u8 b; 16471da177e4SLinus Torvalds u8 b1; 16481da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 16491da177e4SLinus Torvalds * are the raw container drives or stand alone drives. If they have 16501da177e4SLinus Torvalds * the removable bit set then we should expose them though. 16511da177e4SLinus Torvalds */ 16521da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x1f; 16531da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 16541da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 16551da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 16561da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 16571da177e4SLinus Torvalds /* 16581da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 16591da177e4SLinus Torvalds * the channel is 2 16601da177e4SLinus Torvalds */ 16611da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 16621da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 16631da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 16641da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 16651da177e4SLinus Torvalds } else { 16661da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 16671da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 16681da177e4SLinus Torvalds } 16691da177e4SLinus Torvalds } else { 16701da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 16711da177e4SLinus Torvalds } 16721da177e4SLinus Torvalds break; 16731da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN: 16741da177e4SLinus Torvalds switch(scsicmd->cmnd[0]){ 16751da177e4SLinus Torvalds case READ_6: 16761da177e4SLinus Torvalds case WRITE_6: 16771da177e4SLinus Torvalds case READ_10: 16781da177e4SLinus Torvalds case WRITE_10: 16791da177e4SLinus Torvalds case READ_12: 16801da177e4SLinus Torvalds case WRITE_12: 16811da177e4SLinus Torvalds if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { 16821da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); 16831da177e4SLinus Torvalds } else { 16841da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); 16851da177e4SLinus Torvalds } 16861da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 16871da177e4SLinus Torvalds break; 16881da177e4SLinus Torvalds case INQUIRY: { 16891da177e4SLinus Torvalds u8 b; 16901da177e4SLinus Torvalds u8 b1; 16911da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 16921da177e4SLinus Torvalds * are the raw container drives or stand alone drives 16931da177e4SLinus Torvalds */ 16941da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x0f; 16951da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 16961da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 16971da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 16981da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 16991da177e4SLinus Torvalds /* 17001da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17011da177e4SLinus Torvalds * the channel is 2 17021da177e4SLinus Torvalds */ 17031da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17041da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17051da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17061da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17071da177e4SLinus Torvalds } else { 17081da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17091da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17101da177e4SLinus Torvalds } 17111da177e4SLinus Torvalds break; 17121da177e4SLinus Torvalds } 17131da177e4SLinus Torvalds default: 17141da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17151da177e4SLinus Torvalds break; 17161da177e4SLinus Torvalds } 17171da177e4SLinus Torvalds break; 17181da177e4SLinus Torvalds case SRB_STATUS_ABORTED: 17191da177e4SLinus Torvalds scsicmd->result = DID_ABORT << 16 | ABORT << 8; 17201da177e4SLinus Torvalds break; 17211da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED: 17221da177e4SLinus Torvalds // Not sure about this one - but assuming the hba was trying to abort for some reason 17231da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | ABORT << 8; 17241da177e4SLinus Torvalds break; 17251da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR: 17261da177e4SLinus Torvalds scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; 17271da177e4SLinus Torvalds break; 17281da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE: 17291da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID: 17301da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID: 17311da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN: 17321da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT: 17331da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 17341da177e4SLinus Torvalds break; 17351da177e4SLinus Torvalds 17361da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT: 17371da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT: 17381da177e4SLinus Torvalds scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; 17391da177e4SLinus Torvalds break; 17401da177e4SLinus Torvalds 17411da177e4SLinus Torvalds case SRB_STATUS_BUSY: 17421da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 17431da177e4SLinus Torvalds break; 17441da177e4SLinus Torvalds 17451da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET: 17461da177e4SLinus Torvalds scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; 17471da177e4SLinus Torvalds break; 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED: 17501da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; 17511da177e4SLinus Torvalds break; 17521da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED: 17531da177e4SLinus Torvalds case SRB_STATUS_ERROR: 17541da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST: 17551da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED: 17561da177e4SLinus Torvalds case SRB_STATUS_NO_HBA: 17571da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE: 17581da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE: 17591da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: 17601da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY: 17611da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION: 17621da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED: 17631da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE: 17641da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT: 17651da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL: 17661da177e4SLinus Torvalds default: 17671da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 17681da177e4SLinus Torvalds printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", 17691da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F, 17701da177e4SLinus Torvalds aac_get_status_string( 17711da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F), 17721da177e4SLinus Torvalds scsicmd->cmnd[0], 17731da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status)); 17741da177e4SLinus Torvalds #endif 17751da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 17761da177e4SLinus Torvalds break; 17771da177e4SLinus Torvalds } 17781da177e4SLinus Torvalds if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition 17791da177e4SLinus Torvalds int len; 17801da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION; 17811da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 17821da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 17831da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 17841da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 17851da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 17861da177e4SLinus Torvalds dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", 17871da177e4SLinus Torvalds le32_to_cpu(srbreply->status), len)); 17881da177e4SLinus Torvalds #endif 17891da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 17901da177e4SLinus Torvalds 17911da177e4SLinus Torvalds } 17921da177e4SLinus Torvalds /* 17931da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit) 17941da177e4SLinus Torvalds */ 17951da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status); 17961da177e4SLinus Torvalds 17971da177e4SLinus Torvalds fib_complete(fibptr); 17981da177e4SLinus Torvalds fib_free(fibptr); 17991da177e4SLinus Torvalds aac_io_done(scsicmd); 18001da177e4SLinus Torvalds } 18011da177e4SLinus Torvalds 18021da177e4SLinus Torvalds /** 18031da177e4SLinus Torvalds * 18041da177e4SLinus Torvalds * aac_send_scb_fib 18051da177e4SLinus Torvalds * @scsicmd: the scsi command block 18061da177e4SLinus Torvalds * 18071da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the 18081da177e4SLinus Torvalds * scsicmd passed in. 18091da177e4SLinus Torvalds */ 18101da177e4SLinus Torvalds 18111da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) 18121da177e4SLinus Torvalds { 18131da177e4SLinus Torvalds struct fib* cmd_fibcontext; 18141da177e4SLinus Torvalds struct aac_dev* dev; 18151da177e4SLinus Torvalds int status; 18161da177e4SLinus Torvalds struct aac_srb *srbcmd; 18171da177e4SLinus Torvalds u16 fibsize; 18181da177e4SLinus Torvalds u32 flag; 18191da177e4SLinus Torvalds u32 timeout; 18201da177e4SLinus Torvalds 18211da177e4SLinus Torvalds if( scsicmd->device->id > 15 || scsicmd->device->lun > 7) { 18221da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 18231da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 18241da177e4SLinus Torvalds return 0; 18251da177e4SLinus Torvalds } 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 18281da177e4SLinus Torvalds switch(scsicmd->sc_data_direction){ 18291da177e4SLinus Torvalds case DMA_TO_DEVICE: 18301da177e4SLinus Torvalds flag = SRB_DataOut; 18311da177e4SLinus Torvalds break; 18321da177e4SLinus Torvalds case DMA_BIDIRECTIONAL: 18331da177e4SLinus Torvalds flag = SRB_DataIn | SRB_DataOut; 18341da177e4SLinus Torvalds break; 18351da177e4SLinus Torvalds case DMA_FROM_DEVICE: 18361da177e4SLinus Torvalds flag = SRB_DataIn; 18371da177e4SLinus Torvalds break; 18381da177e4SLinus Torvalds case DMA_NONE: 18391da177e4SLinus Torvalds default: /* shuts up some versions of gcc */ 18401da177e4SLinus Torvalds flag = SRB_NoDataXfer; 18411da177e4SLinus Torvalds break; 18421da177e4SLinus Torvalds } 18431da177e4SLinus Torvalds 18441da177e4SLinus Torvalds 18451da177e4SLinus Torvalds /* 18461da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 18471da177e4SLinus Torvalds */ 18481da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 18491da177e4SLinus Torvalds return -1; 18501da177e4SLinus Torvalds } 18511da177e4SLinus Torvalds fib_init(cmd_fibcontext); 18521da177e4SLinus Torvalds 18531da177e4SLinus Torvalds srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); 18541da177e4SLinus Torvalds srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); 18551da177e4SLinus Torvalds srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); 18561da177e4SLinus Torvalds srbcmd->id = cpu_to_le32(scsicmd->device->id); 18571da177e4SLinus Torvalds srbcmd->lun = cpu_to_le32(scsicmd->device->lun); 18581da177e4SLinus Torvalds srbcmd->flags = cpu_to_le32(flag); 18591da177e4SLinus Torvalds timeout = (scsicmd->timeout-jiffies)/HZ; 18601da177e4SLinus Torvalds if(timeout == 0){ 18611da177e4SLinus Torvalds timeout = 1; 18621da177e4SLinus Torvalds } 18631da177e4SLinus Torvalds srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds 18641da177e4SLinus Torvalds srbcmd->retry_limit = 0; /* Obsolete parameter */ 18651da177e4SLinus Torvalds srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); 18661da177e4SLinus Torvalds 18671da177e4SLinus Torvalds if( dev->dac_support == 1 ) { 18681da177e4SLinus Torvalds aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); 18691da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 18701da177e4SLinus Torvalds 18711da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 18721da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 18731da177e4SLinus Torvalds /* 18741da177e4SLinus Torvalds * Build Scatter/Gather list 18751da177e4SLinus Torvalds */ 18761da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + 18771da177e4SLinus Torvalds ((le32_to_cpu(srbcmd->sg.count) & 0xff) * 18781da177e4SLinus Torvalds sizeof (struct sgentry64)); 18797c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 18801da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvalds /* 18831da177e4SLinus Torvalds * Now send the Fib to the adapter 18841da177e4SLinus Torvalds */ 18851da177e4SLinus Torvalds status = fib_send(ScsiPortCommand64, cmd_fibcontext, 18861da177e4SLinus Torvalds fibsize, FsaNormal, 0, 1, 18871da177e4SLinus Torvalds (fib_callback) aac_srb_callback, 18881da177e4SLinus Torvalds (void *) scsicmd); 18891da177e4SLinus Torvalds } else { 18901da177e4SLinus Torvalds aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); 18911da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 18921da177e4SLinus Torvalds 18931da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 18941da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 18951da177e4SLinus Torvalds /* 18961da177e4SLinus Torvalds * Build Scatter/Gather list 18971da177e4SLinus Torvalds */ 18981da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) + 18991da177e4SLinus Torvalds (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 19001da177e4SLinus Torvalds sizeof (struct sgentry)); 19017c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19021da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19031da177e4SLinus Torvalds 19041da177e4SLinus Torvalds /* 19051da177e4SLinus Torvalds * Now send the Fib to the adapter 19061da177e4SLinus Torvalds */ 19071da177e4SLinus Torvalds status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, 19081da177e4SLinus Torvalds (fib_callback) aac_srb_callback, (void *) scsicmd); 19091da177e4SLinus Torvalds } 19101da177e4SLinus Torvalds /* 19111da177e4SLinus Torvalds * Check that the command queued to the controller 19121da177e4SLinus Torvalds */ 19131da177e4SLinus Torvalds if (status == -EINPROGRESS){ 19141da177e4SLinus Torvalds return 0; 19151da177e4SLinus Torvalds } 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); 19181da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 19191da177e4SLinus Torvalds fib_free(cmd_fibcontext); 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds return -1; 19221da177e4SLinus Torvalds } 19231da177e4SLinus Torvalds 19241da177e4SLinus Torvalds static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) 19251da177e4SLinus Torvalds { 19261da177e4SLinus Torvalds struct aac_dev *dev; 19271da177e4SLinus Torvalds unsigned long byte_count = 0; 19281da177e4SLinus Torvalds 19291da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 19301da177e4SLinus Torvalds // Get rid of old data 19311da177e4SLinus Torvalds psg->count = 0; 19321da177e4SLinus Torvalds psg->sg[0].addr = 0; 19331da177e4SLinus Torvalds psg->sg[0].count = 0; 19341da177e4SLinus Torvalds if (scsicmd->use_sg) { 19351da177e4SLinus Torvalds struct scatterlist *sg; 19361da177e4SLinus Torvalds int i; 19371da177e4SLinus Torvalds int sg_count; 19381da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 19411da177e4SLinus Torvalds scsicmd->sc_data_direction); 19421da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 19431da177e4SLinus Torvalds 19441da177e4SLinus Torvalds byte_count = 0; 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 19471da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); 19481da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 19491da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 19501da177e4SLinus Torvalds sg++; 19511da177e4SLinus Torvalds } 19521da177e4SLinus Torvalds /* hba wants the size to be exact */ 19531da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 195456b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 195556b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 195656b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 19571da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 19581da177e4SLinus Torvalds } 19591da177e4SLinus Torvalds /* Check for command underflow */ 19601da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 19611da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 19621da177e4SLinus Torvalds byte_count, scsicmd->underflow); 19631da177e4SLinus Torvalds } 19641da177e4SLinus Torvalds } 19651da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 19661da177e4SLinus Torvalds dma_addr_t addr; 19671da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 19681da177e4SLinus Torvalds scsicmd->request_buffer, 19691da177e4SLinus Torvalds scsicmd->request_bufflen, 19701da177e4SLinus Torvalds scsicmd->sc_data_direction); 19711da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 19721da177e4SLinus Torvalds psg->sg[0].addr = cpu_to_le32(addr); 19731da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 19741da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 19751da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 19761da177e4SLinus Torvalds } 19771da177e4SLinus Torvalds return byte_count; 19781da177e4SLinus Torvalds } 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvalds 19811da177e4SLinus Torvalds static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) 19821da177e4SLinus Torvalds { 19831da177e4SLinus Torvalds struct aac_dev *dev; 19841da177e4SLinus Torvalds unsigned long byte_count = 0; 198556b58712SMark Haverkamp u64 addr; 19861da177e4SLinus Torvalds 19871da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 19881da177e4SLinus Torvalds // Get rid of old data 19891da177e4SLinus Torvalds psg->count = 0; 19901da177e4SLinus Torvalds psg->sg[0].addr[0] = 0; 19911da177e4SLinus Torvalds psg->sg[0].addr[1] = 0; 19921da177e4SLinus Torvalds psg->sg[0].count = 0; 19931da177e4SLinus Torvalds if (scsicmd->use_sg) { 19941da177e4SLinus Torvalds struct scatterlist *sg; 19951da177e4SLinus Torvalds int i; 19961da177e4SLinus Torvalds int sg_count; 19971da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 19981da177e4SLinus Torvalds 19991da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20001da177e4SLinus Torvalds scsicmd->sc_data_direction); 20011da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20021da177e4SLinus Torvalds 20031da177e4SLinus Torvalds byte_count = 0; 20041da177e4SLinus Torvalds 20051da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 200656b58712SMark Haverkamp addr = sg_dma_address(sg); 200756b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); 200856b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32); 20091da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 20101da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 20111da177e4SLinus Torvalds sg++; 20121da177e4SLinus Torvalds } 20131da177e4SLinus Torvalds /* hba wants the size to be exact */ 20141da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 201556b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 201656b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 201756b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 20181da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20191da177e4SLinus Torvalds } 20201da177e4SLinus Torvalds /* Check for command underflow */ 20211da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 20221da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20231da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20241da177e4SLinus Torvalds } 20251da177e4SLinus Torvalds } 20261da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 202756b58712SMark Haverkamp u64 addr; 20281da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20291da177e4SLinus Torvalds scsicmd->request_buffer, 20301da177e4SLinus Torvalds scsicmd->request_bufflen, 20311da177e4SLinus Torvalds scsicmd->sc_data_direction); 20321da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 203356b58712SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); 203456b58712SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); 20351da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 20361da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 20371da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20381da177e4SLinus Torvalds } 20391da177e4SLinus Torvalds return byte_count; 20401da177e4SLinus Torvalds } 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 20431da177e4SLinus Torvalds 20441da177e4SLinus Torvalds struct aac_srb_status_info { 20451da177e4SLinus Torvalds u32 status; 20461da177e4SLinus Torvalds char *str; 20471da177e4SLinus Torvalds }; 20481da177e4SLinus Torvalds 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = { 20511da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"}, 20521da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"}, 20531da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"}, 20541da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, 20551da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"}, 20561da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"}, 20571da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, 20581da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, 20591da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"}, 20601da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"}, 20611da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, 20621da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, 20631da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, 20641da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"}, 20651da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"}, 20661da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, 20671da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"}, 20681da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, 20691da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, 20701da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, 20711da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, 20721da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, 20731da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, 20741da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, 20751da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, 20761da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, 20771da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, 20781da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"}, 20791da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"}, 20801da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"}, 20811da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, 20821da177e4SLinus Torvalds { 0xff, "Unknown Error"} 20831da177e4SLinus Torvalds }; 20841da177e4SLinus Torvalds 20851da177e4SLinus Torvalds char *aac_get_status_string(u32 status) 20861da177e4SLinus Torvalds { 20871da177e4SLinus Torvalds int i; 20881da177e4SLinus Torvalds 20891da177e4SLinus Torvalds for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ 20901da177e4SLinus Torvalds if(srb_status_info[i].status == status){ 20911da177e4SLinus Torvalds return srb_status_info[i].str; 20921da177e4SLinus Torvalds } 20931da177e4SLinus Torvalds } 20941da177e4SLinus Torvalds 20951da177e4SLinus Torvalds return "Bad Status Code"; 20961da177e4SLinus Torvalds } 20971da177e4SLinus Torvalds 20981da177e4SLinus Torvalds #endif 2099