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 fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( 2801da177e4SLinus Torvalds sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); 2811da177e4SLinus Torvalds if (!fsa_dev_ptr) { 2821da177e4SLinus Torvalds fib_free(fibptr); 2831da177e4SLinus Torvalds return -ENOMEM; 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds dev->fsa_dev = fsa_dev_ptr; 2881da177e4SLinus Torvalds dev->maximum_num_containers = maximum_num_containers; 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds for (index = 0; index < dev->maximum_num_containers; index++) { 2911da177e4SLinus Torvalds struct aac_query_mount *dinfo; 2921da177e4SLinus Torvalds struct aac_mount *dresp; 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds fsa_dev_ptr[index].devname[0] = '\0'; 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvalds fib_init(fibptr); 2971da177e4SLinus Torvalds dinfo = (struct aac_query_mount *) fib_data(fibptr); 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 3001da177e4SLinus Torvalds dinfo->count = cpu_to_le32(index); 3011da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvalds status = fib_send(ContainerCommand, 3041da177e4SLinus Torvalds fibptr, 3051da177e4SLinus Torvalds sizeof (struct aac_query_mount), 3061da177e4SLinus Torvalds FsaNormal, 3071da177e4SLinus Torvalds 1, 1, 3081da177e4SLinus Torvalds NULL, NULL); 3091da177e4SLinus Torvalds if (status < 0 ) { 3101da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); 3111da177e4SLinus Torvalds break; 3121da177e4SLinus Torvalds } 3131da177e4SLinus Torvalds dresp = (struct aac_mount *)fib_data(fibptr); 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds dprintk ((KERN_DEBUG 3161da177e4SLinus Torvalds "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n", 3171da177e4SLinus Torvalds (int)index, (int)le32_to_cpu(dresp->status), 3181da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].vol), 3191da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].state), 3201da177e4SLinus Torvalds (unsigned)le32_to_cpu(dresp->mnt[0].capacity))); 3211da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 3221da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 3231da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 3241da177e4SLinus Torvalds fsa_dev_ptr[index].valid = 1; 3251da177e4SLinus Torvalds fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); 3261da177e4SLinus Torvalds fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity); 3271da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 3281da177e4SLinus Torvalds fsa_dev_ptr[index].ro = 1; 3291da177e4SLinus Torvalds } 3301da177e4SLinus Torvalds fib_complete(fibptr); 3311da177e4SLinus Torvalds /* 3321da177e4SLinus Torvalds * If there are no more containers, then stop asking. 3331da177e4SLinus Torvalds */ 3341da177e4SLinus Torvalds if ((index + 1) >= le32_to_cpu(dresp->count)){ 3351da177e4SLinus Torvalds break; 3361da177e4SLinus Torvalds } 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds fib_free(fibptr); 3391da177e4SLinus Torvalds return status; 3401da177e4SLinus Torvalds } 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds static void aac_io_done(struct scsi_cmnd * scsicmd) 3431da177e4SLinus Torvalds { 3441da177e4SLinus Torvalds unsigned long cpu_flags; 3451da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 3461da177e4SLinus Torvalds spin_lock_irqsave(host->host_lock, cpu_flags); 3471da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 3481da177e4SLinus Torvalds spin_unlock_irqrestore(host->host_lock, cpu_flags); 3491da177e4SLinus Torvalds } 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds static void get_container_name_callback(void *context, struct fib * fibptr) 3521da177e4SLinus Torvalds { 3531da177e4SLinus Torvalds struct aac_get_name_resp * get_name_reply; 3541da177e4SLinus Torvalds struct scsi_cmnd * scsicmd; 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); 3591da177e4SLinus Torvalds if (fibptr == NULL) 3601da177e4SLinus Torvalds BUG(); 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); 3631da177e4SLinus Torvalds /* Failure is irrelevant, using default value instead */ 3641da177e4SLinus Torvalds if ((le32_to_cpu(get_name_reply->status) == CT_OK) 3651da177e4SLinus Torvalds && (get_name_reply->data[0] != '\0')) { 3661da177e4SLinus Torvalds int count; 3671da177e4SLinus Torvalds char * dp; 3681da177e4SLinus Torvalds char * sp = get_name_reply->data; 3691da177e4SLinus Torvalds sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; 3701da177e4SLinus Torvalds while (*sp == ' ') 3711da177e4SLinus Torvalds ++sp; 3721da177e4SLinus Torvalds count = sizeof(((struct inquiry_data *)NULL)->inqd_pid); 3731da177e4SLinus Torvalds dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid; 3741da177e4SLinus Torvalds if (*sp) do { 3751da177e4SLinus Torvalds *dp++ = (*sp) ? *sp++ : ' '; 3761da177e4SLinus Torvalds } while (--count > 0); 3771da177e4SLinus Torvalds } 3781da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds fib_complete(fibptr); 3811da177e4SLinus Torvalds fib_free(fibptr); 3821da177e4SLinus Torvalds aac_io_done(scsicmd); 3831da177e4SLinus Torvalds } 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds /** 3861da177e4SLinus Torvalds * aac_get_container_name - get container name, none blocking. 3871da177e4SLinus Torvalds */ 3881da177e4SLinus Torvalds static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) 3891da177e4SLinus Torvalds { 3901da177e4SLinus Torvalds int status; 3911da177e4SLinus Torvalds struct aac_get_name *dinfo; 3921da177e4SLinus Torvalds struct fib * cmd_fibcontext; 3931da177e4SLinus Torvalds struct aac_dev * dev; 3941da177e4SLinus Torvalds 3951da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) 3981da177e4SLinus Torvalds return -ENOMEM; 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds fib_init(cmd_fibcontext); 4011da177e4SLinus Torvalds dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); 4021da177e4SLinus Torvalds 4031da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 4041da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_READ_NAME); 4051da177e4SLinus Torvalds dinfo->cid = cpu_to_le32(cid); 4061da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4091da177e4SLinus Torvalds cmd_fibcontext, 4101da177e4SLinus Torvalds sizeof (struct aac_get_name), 4111da177e4SLinus Torvalds FsaNormal, 4121da177e4SLinus Torvalds 0, 1, 4131da177e4SLinus Torvalds (fib_callback) get_container_name_callback, 4141da177e4SLinus Torvalds (void *) scsicmd); 4151da177e4SLinus Torvalds 4161da177e4SLinus Torvalds /* 4171da177e4SLinus Torvalds * Check that the command queued to the controller 4181da177e4SLinus Torvalds */ 4191da177e4SLinus Torvalds if (status == -EINPROGRESS) 4201da177e4SLinus Torvalds return 0; 4211da177e4SLinus Torvalds 4221da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status); 4231da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 4241da177e4SLinus Torvalds fib_free(cmd_fibcontext); 4251da177e4SLinus Torvalds return -1; 4261da177e4SLinus Torvalds } 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvalds /** 4291da177e4SLinus Torvalds * probe_container - query a logical volume 4301da177e4SLinus Torvalds * @dev: device to query 4311da177e4SLinus Torvalds * @cid: container identifier 4321da177e4SLinus Torvalds * 4331da177e4SLinus Torvalds * Queries the controller about the given volume. The volume information 4341da177e4SLinus Torvalds * is updated in the struct fsa_dev_info structure rather than returned. 4351da177e4SLinus Torvalds */ 4361da177e4SLinus Torvalds 4371da177e4SLinus Torvalds static int probe_container(struct aac_dev *dev, int cid) 4381da177e4SLinus Torvalds { 4391da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 4401da177e4SLinus Torvalds int status; 4411da177e4SLinus Torvalds struct aac_query_mount *dinfo; 4421da177e4SLinus Torvalds struct aac_mount *dresp; 4431da177e4SLinus Torvalds struct fib * fibptr; 4441da177e4SLinus Torvalds unsigned instance; 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 4471da177e4SLinus Torvalds instance = dev->scsi_host_ptr->unique_id; 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 4501da177e4SLinus Torvalds return -ENOMEM; 4511da177e4SLinus Torvalds 4521da177e4SLinus Torvalds fib_init(fibptr); 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds dinfo = (struct aac_query_mount *)fib_data(fibptr); 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 4571da177e4SLinus Torvalds dinfo->count = cpu_to_le32(cid); 4581da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 4591da177e4SLinus Torvalds 4601da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4611da177e4SLinus Torvalds fibptr, 4621da177e4SLinus Torvalds sizeof(struct aac_query_mount), 4631da177e4SLinus Torvalds FsaNormal, 4641da177e4SLinus Torvalds 1, 1, 4651da177e4SLinus Torvalds NULL, NULL); 4661da177e4SLinus Torvalds if (status < 0) { 4677c00ffa3SMark Haverkamp printk(KERN_WARNING "aacraid: probe_container query failed.\n"); 4681da177e4SLinus Torvalds goto error; 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds dresp = (struct aac_mount *) fib_data(fibptr); 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 4741da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 4751da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 4761da177e4SLinus Torvalds fsa_dev_ptr[cid].valid = 1; 4771da177e4SLinus Torvalds fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); 4781da177e4SLinus Torvalds fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity); 4791da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 4801da177e4SLinus Torvalds fsa_dev_ptr[cid].ro = 1; 4811da177e4SLinus Torvalds } 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds error: 4841da177e4SLinus Torvalds fib_complete(fibptr); 4851da177e4SLinus Torvalds fib_free(fibptr); 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvalds return status; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds 4901da177e4SLinus Torvalds /* Local Structure to set SCSI inquiry data strings */ 4911da177e4SLinus Torvalds struct scsi_inq { 4921da177e4SLinus Torvalds char vid[8]; /* Vendor ID */ 4931da177e4SLinus Torvalds char pid[16]; /* Product ID */ 4941da177e4SLinus Torvalds char prl[4]; /* Product Revision Level */ 4951da177e4SLinus Torvalds }; 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds /** 4981da177e4SLinus Torvalds * InqStrCopy - string merge 4991da177e4SLinus Torvalds * @a: string to copy from 5001da177e4SLinus Torvalds * @b: string to copy to 5011da177e4SLinus Torvalds * 5021da177e4SLinus Torvalds * Copy a String from one location to another 5031da177e4SLinus Torvalds * without copying \0 5041da177e4SLinus Torvalds */ 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds static void inqstrcpy(char *a, char *b) 5071da177e4SLinus Torvalds { 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds while(*a != (char)0) 5101da177e4SLinus Torvalds *b++ = *a++; 5111da177e4SLinus Torvalds } 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds static char *container_types[] = { 5141da177e4SLinus Torvalds "None", 5151da177e4SLinus Torvalds "Volume", 5161da177e4SLinus Torvalds "Mirror", 5171da177e4SLinus Torvalds "Stripe", 5181da177e4SLinus Torvalds "RAID5", 5191da177e4SLinus Torvalds "SSRW", 5201da177e4SLinus Torvalds "SSRO", 5211da177e4SLinus Torvalds "Morph", 5221da177e4SLinus Torvalds "Legacy", 5231da177e4SLinus Torvalds "RAID4", 5241da177e4SLinus Torvalds "RAID10", 5251da177e4SLinus Torvalds "RAID00", 5261da177e4SLinus Torvalds "V-MIRRORS", 5271da177e4SLinus Torvalds "PSEUDO R4", 5281da177e4SLinus Torvalds "RAID50", 52984971738SMark Haverkamp "RAID5D", 53084971738SMark Haverkamp "RAID5D0", 53184971738SMark Haverkamp "RAID1E", 53284971738SMark Haverkamp "RAID6", 53384971738SMark Haverkamp "RAID60", 5341da177e4SLinus Torvalds "Unknown" 5351da177e4SLinus Torvalds }; 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds /* Function: setinqstr 5401da177e4SLinus Torvalds * 5411da177e4SLinus Torvalds * Arguments: [1] pointer to void [1] int 5421da177e4SLinus Torvalds * 5431da177e4SLinus Torvalds * Purpose: Sets SCSI inquiry data strings for vendor, product 5441da177e4SLinus Torvalds * and revision level. Allows strings to be set in platform dependant 5451da177e4SLinus Torvalds * files instead of in OS dependant driver source. 5461da177e4SLinus Torvalds */ 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds static void setinqstr(int devtype, void *data, int tindex) 5491da177e4SLinus Torvalds { 5501da177e4SLinus Torvalds struct scsi_inq *str; 5511da177e4SLinus Torvalds struct aac_driver_ident *mp; 5521da177e4SLinus Torvalds 5531da177e4SLinus Torvalds mp = aac_get_driver_ident(devtype); 5541da177e4SLinus Torvalds 5551da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ 5561da177e4SLinus Torvalds 5571da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid); 5581da177e4SLinus Torvalds inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */ 5591da177e4SLinus Torvalds 5601da177e4SLinus Torvalds if (tindex < (sizeof(container_types)/sizeof(char *))){ 5611da177e4SLinus Torvalds char *findit = str->pid; 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */ 5641da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */ 5651da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0) 5661da177e4SLinus Torvalds *(findit -= 4) = ' '; 5671da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1); 5681da177e4SLinus Torvalds } 5691da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl); 5701da177e4SLinus Torvalds } 5711da177e4SLinus Torvalds 5724833869eSAdrian Bunk static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, 5731da177e4SLinus Torvalds u8 a_sense_code, u8 incorrect_length, 5741da177e4SLinus Torvalds u8 bit_pointer, u16 field_pointer, 5751da177e4SLinus Torvalds u32 residue) 5761da177e4SLinus Torvalds { 5771da177e4SLinus Torvalds sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ 5781da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */ 5791da177e4SLinus Torvalds 5801da177e4SLinus Torvalds if (incorrect_length) { 5811da177e4SLinus Torvalds sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ 5821da177e4SLinus Torvalds sense_buf[3] = BYTE3(residue); 5831da177e4SLinus Torvalds sense_buf[4] = BYTE2(residue); 5841da177e4SLinus Torvalds sense_buf[5] = BYTE1(residue); 5851da177e4SLinus Torvalds sense_buf[6] = BYTE0(residue); 5861da177e4SLinus Torvalds } else 5871da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */ 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) 5901da177e4SLinus Torvalds sense_buf[7] = 10; /* Additional sense length */ 5911da177e4SLinus Torvalds else 5921da177e4SLinus Torvalds sense_buf[7] = 6; /* Additional sense length */ 5931da177e4SLinus Torvalds 5941da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */ 5951da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ 5961da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) { 5971da177e4SLinus Torvalds sense_buf[15] = 0; 5981da177e4SLinus Torvalds 5991da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_PARAM_FIELD) 6001da177e4SLinus Torvalds sense_buf[15] = 0x80;/* Std sense key specific field */ 6011da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */ 6021da177e4SLinus Torvalds 6031da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD) 6041da177e4SLinus Torvalds sense_buf[15] = 0xc0;/* Std sense key specific field */ 6051da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */ 6061da177e4SLinus Torvalds sense_buf[15] |= bit_pointer; 6071da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */ 6081da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */ 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds } 6111da177e4SLinus Torvalds 6121da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev) 6131da177e4SLinus Torvalds { 6141da177e4SLinus Torvalds struct fib* fibptr; 6151da177e4SLinus Torvalds int rcode; 6161da177e4SLinus Torvalds u32 tmp; 6177c00ffa3SMark Haverkamp struct aac_adapter_info *info; 61884971738SMark Haverkamp struct aac_bus_info *command; 61984971738SMark Haverkamp struct aac_bus_info_response *bus_info; 6207c00ffa3SMark Haverkamp 6211da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 6221da177e4SLinus Torvalds return -ENOMEM; 6231da177e4SLinus Torvalds 6241da177e4SLinus Torvalds fib_init(fibptr); 6251da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr); 6267c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds rcode = fib_send(RequestAdapterInfo, 6291da177e4SLinus Torvalds fibptr, 6307c00ffa3SMark Haverkamp sizeof(*info), 6311da177e4SLinus Torvalds FsaNormal, 6321da177e4SLinus Torvalds 1, 1, 6331da177e4SLinus Torvalds NULL, 6341da177e4SLinus Torvalds NULL); 6351da177e4SLinus Torvalds 6367c00ffa3SMark Haverkamp if (rcode < 0) { 6377c00ffa3SMark Haverkamp fib_complete(fibptr); 6387c00ffa3SMark Haverkamp fib_free(fibptr); 6397c00ffa3SMark Haverkamp return rcode; 6407c00ffa3SMark Haverkamp } 6417c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info)); 6427c00ffa3SMark Haverkamp 6437c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { 6447c00ffa3SMark Haverkamp struct aac_supplement_adapter_info * info; 6457c00ffa3SMark Haverkamp 6467c00ffa3SMark Haverkamp fib_init(fibptr); 6477c00ffa3SMark Haverkamp 6487c00ffa3SMark Haverkamp info = (struct aac_supplement_adapter_info *) fib_data(fibptr); 6497c00ffa3SMark Haverkamp 6507c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6517c00ffa3SMark Haverkamp 6527c00ffa3SMark Haverkamp rcode = fib_send(RequestSupplementAdapterInfo, 6537c00ffa3SMark Haverkamp fibptr, 6547c00ffa3SMark Haverkamp sizeof(*info), 6557c00ffa3SMark Haverkamp FsaNormal, 6567c00ffa3SMark Haverkamp 1, 1, 6577c00ffa3SMark Haverkamp NULL, 6587c00ffa3SMark Haverkamp NULL); 6597c00ffa3SMark Haverkamp 6607c00ffa3SMark Haverkamp if (rcode >= 0) 6617c00ffa3SMark Haverkamp memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); 6627c00ffa3SMark Haverkamp } 6631da177e4SLinus Torvalds 66484971738SMark Haverkamp 66584971738SMark Haverkamp /* 66684971738SMark Haverkamp * GetBusInfo 66784971738SMark Haverkamp */ 66884971738SMark Haverkamp 66984971738SMark Haverkamp fib_init(fibptr); 67084971738SMark Haverkamp 67184971738SMark Haverkamp bus_info = (struct aac_bus_info_response *) fib_data(fibptr); 67284971738SMark Haverkamp 67384971738SMark Haverkamp memset(bus_info, 0, sizeof(*bus_info)); 67484971738SMark Haverkamp 67584971738SMark Haverkamp command = (struct aac_bus_info *)bus_info; 67684971738SMark Haverkamp 67784971738SMark Haverkamp command->Command = cpu_to_le32(VM_Ioctl); 67884971738SMark Haverkamp command->ObjType = cpu_to_le32(FT_DRIVE); 67984971738SMark Haverkamp command->MethodId = cpu_to_le32(1); 68084971738SMark Haverkamp command->CtlCmd = cpu_to_le32(GetBusInfo); 68184971738SMark Haverkamp 68284971738SMark Haverkamp rcode = fib_send(ContainerCommand, 68384971738SMark Haverkamp fibptr, 68484971738SMark Haverkamp sizeof (*bus_info), 68584971738SMark Haverkamp FsaNormal, 68684971738SMark Haverkamp 1, 1, 68784971738SMark Haverkamp NULL, NULL); 68884971738SMark Haverkamp 68984971738SMark Haverkamp if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { 69084971738SMark Haverkamp dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); 69184971738SMark Haverkamp dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); 69284971738SMark Haverkamp } 69384971738SMark Haverkamp 6941da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev); 6957c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 6961da177e4SLinus Torvalds dev->name, 6971da177e4SLinus Torvalds dev->id, 6981da177e4SLinus Torvalds tmp>>24, 6991da177e4SLinus Torvalds (tmp>>16)&0xff, 7001da177e4SLinus Torvalds tmp&0xff, 7017c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild), 7027c00ffa3SMark Haverkamp (int)sizeof(dev->supplement_adapter_info.BuildDate), 7037c00ffa3SMark Haverkamp dev->supplement_adapter_info.BuildDate); 7041da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev); 7051da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 7061da177e4SLinus Torvalds dev->name, dev->id, 7071da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7081da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild)); 7091da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev); 7101da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 7111da177e4SLinus Torvalds dev->name, dev->id, 7121da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7131da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild)); 7141da177e4SLinus Torvalds if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 7151da177e4SLinus Torvalds printk(KERN_INFO "%s%d: serial %x\n", 7161da177e4SLinus Torvalds dev->name, dev->id, 7171da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.serial[0])); 7181da177e4SLinus Torvalds 7191da177e4SLinus Torvalds dev->nondasd_support = 0; 7201da177e4SLinus Torvalds dev->raid_scsi_mode = 0; 7211da177e4SLinus Torvalds if(dev->adapter_info.options & AAC_OPT_NONDASD){ 7221da177e4SLinus Torvalds dev->nondasd_support = 1; 7231da177e4SLinus Torvalds } 7241da177e4SLinus Torvalds 7251da177e4SLinus Torvalds /* 7261da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently 7271da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will 7281da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag 7291da177e4SLinus Torvalds * additional changes changes will have to be made to support 7301da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be 7311da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of 7321da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the 7331da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the 7341da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only. 7351da177e4SLinus Torvalds */ 7361da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && 7371da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { 7381da177e4SLinus Torvalds dev->nondasd_support = 1; 7391da177e4SLinus Torvalds dev->raid_scsi_mode = 1; 7401da177e4SLinus Torvalds } 7411da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0) 7421da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", 7431da177e4SLinus Torvalds dev->name, dev->id); 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds if(nondasd != -1) { 7461da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0); 7471da177e4SLinus Torvalds } 7481da177e4SLinus Torvalds if(dev->nondasd_support != 0){ 7491da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 7501da177e4SLinus Torvalds } 7511da177e4SLinus Torvalds 7521da177e4SLinus Torvalds dev->dac_support = 0; 7531da177e4SLinus Torvalds if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ 7541da177e4SLinus Torvalds printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); 7551da177e4SLinus Torvalds dev->dac_support = 1; 7561da177e4SLinus Torvalds } 7571da177e4SLinus Torvalds 7581da177e4SLinus Torvalds if(dacmode != -1) { 7591da177e4SLinus Torvalds dev->dac_support = (dacmode!=0); 7601da177e4SLinus Torvalds } 7611da177e4SLinus Torvalds if(dev->dac_support != 0) { 7621da177e4SLinus Torvalds if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) && 7631da177e4SLinus Torvalds !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) { 7641da177e4SLinus Torvalds printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 7651da177e4SLinus Torvalds dev->name, dev->id); 7661da177e4SLinus Torvalds } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) && 7671da177e4SLinus Torvalds !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) { 7681da177e4SLinus Torvalds printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 7691da177e4SLinus Torvalds dev->name, dev->id); 7701da177e4SLinus Torvalds dev->dac_support = 0; 7711da177e4SLinus Torvalds } else { 7721da177e4SLinus Torvalds printk(KERN_WARNING"%s%d: No suitable DMA available.\n", 7731da177e4SLinus Torvalds dev->name, dev->id); 7741da177e4SLinus Torvalds rcode = -ENOMEM; 7751da177e4SLinus Torvalds } 7761da177e4SLinus Torvalds } 7777c00ffa3SMark Haverkamp /* 7787c00ffa3SMark Haverkamp * 57 scatter gather elements 7797c00ffa3SMark Haverkamp */ 7807c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - 7817c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 7827c00ffa3SMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgmap)) / 7837c00ffa3SMark Haverkamp sizeof(struct sgmap); 7847c00ffa3SMark Haverkamp if (dev->dac_support) { 7857c00ffa3SMark Haverkamp /* 7867c00ffa3SMark Haverkamp * 38 scatter gather elements 7877c00ffa3SMark Haverkamp */ 7887c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = 7897c00ffa3SMark Haverkamp (dev->max_fib_size - 7907c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 7917c00ffa3SMark Haverkamp sizeof(struct aac_write64) + 7927c00ffa3SMark Haverkamp sizeof(struct sgmap64)) / 7937c00ffa3SMark Haverkamp sizeof(struct sgmap64); 7947c00ffa3SMark Haverkamp } 7957c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; 7967c00ffa3SMark Haverkamp if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { 7977c00ffa3SMark Haverkamp /* 7987c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when 7997c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB. 8007c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what 8017c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is 8027c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB 8037c00ffa3SMark Haverkamp * element. 8047c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB 8057c00ffa3SMark Haverkamp */ 8067c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = 8077c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112; 8087c00ffa3SMark Haverkamp } 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds fib_complete(fibptr); 8111da177e4SLinus Torvalds fib_free(fibptr); 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvalds return rcode; 8141da177e4SLinus Torvalds } 8151da177e4SLinus Torvalds 8161da177e4SLinus Torvalds 8171da177e4SLinus Torvalds static void read_callback(void *context, struct fib * fibptr) 8181da177e4SLinus Torvalds { 8191da177e4SLinus Torvalds struct aac_dev *dev; 8201da177e4SLinus Torvalds struct aac_read_reply *readreply; 8211da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 8221da177e4SLinus Torvalds u32 lba; 8231da177e4SLinus Torvalds u32 cid; 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 8261da177e4SLinus Torvalds 8271da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8281da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 8291da177e4SLinus Torvalds 8301da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 8311da177e4SLinus Torvalds dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvalds if (fibptr == NULL) 8341da177e4SLinus Torvalds BUG(); 8351da177e4SLinus Torvalds 8361da177e4SLinus Torvalds if(scsicmd->use_sg) 8371da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8381da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8391da177e4SLinus Torvalds scsicmd->use_sg, 8401da177e4SLinus Torvalds scsicmd->sc_data_direction); 8411da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8421da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8431da177e4SLinus Torvalds scsicmd->request_bufflen, 8441da177e4SLinus Torvalds scsicmd->sc_data_direction); 8451da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr); 8461da177e4SLinus Torvalds if (le32_to_cpu(readreply->status) == ST_OK) 8471da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 8481da177e4SLinus Torvalds else { 8497c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO 8507c00ffa3SMark Haverkamp printk(KERN_WARNING "read_callback: io failed, status = %d\n", 8511da177e4SLinus Torvalds le32_to_cpu(readreply->status)); 8527c00ffa3SMark Haverkamp #endif 8531da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 8541da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 8551da177e4SLinus Torvalds HARDWARE_ERROR, 8561da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 8571da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 8581da177e4SLinus Torvalds 0, 0); 8591da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 8601da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 8611da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 8621da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds fib_complete(fibptr); 8651da177e4SLinus Torvalds fib_free(fibptr); 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvalds aac_io_done(scsicmd); 8681da177e4SLinus Torvalds } 8691da177e4SLinus Torvalds 8701da177e4SLinus Torvalds static void write_callback(void *context, struct fib * fibptr) 8711da177e4SLinus Torvalds { 8721da177e4SLinus Torvalds struct aac_dev *dev; 8731da177e4SLinus Torvalds struct aac_write_reply *writereply; 8741da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 8751da177e4SLinus Torvalds u32 lba; 8761da177e4SLinus Torvalds u32 cid; 8771da177e4SLinus Torvalds 8781da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 8791da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8801da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 8811da177e4SLinus Torvalds 8821da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 8831da177e4SLinus Torvalds dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); 8841da177e4SLinus Torvalds if (fibptr == NULL) 8851da177e4SLinus Torvalds BUG(); 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvalds if(scsicmd->use_sg) 8881da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8891da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8901da177e4SLinus Torvalds scsicmd->use_sg, 8911da177e4SLinus Torvalds scsicmd->sc_data_direction); 8921da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8931da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8941da177e4SLinus Torvalds scsicmd->request_bufflen, 8951da177e4SLinus Torvalds scsicmd->sc_data_direction); 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvalds writereply = (struct aac_write_reply *) fib_data(fibptr); 8981da177e4SLinus Torvalds if (le32_to_cpu(writereply->status) == ST_OK) 8991da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 9001da177e4SLinus Torvalds else { 9011da177e4SLinus Torvalds printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status); 9021da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 9031da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 9041da177e4SLinus Torvalds HARDWARE_ERROR, 9051da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 9061da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 9071da177e4SLinus Torvalds 0, 0); 9081da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 9091da177e4SLinus Torvalds sizeof(struct sense_data)); 9101da177e4SLinus Torvalds } 9111da177e4SLinus Torvalds 9121da177e4SLinus Torvalds fib_complete(fibptr); 9131da177e4SLinus Torvalds fib_free(fibptr); 9141da177e4SLinus Torvalds aac_io_done(scsicmd); 9151da177e4SLinus Torvalds } 9161da177e4SLinus Torvalds 9174833869eSAdrian Bunk static int aac_read(struct scsi_cmnd * scsicmd, int cid) 9181da177e4SLinus Torvalds { 9191da177e4SLinus Torvalds u32 lba; 9201da177e4SLinus Torvalds u32 count; 9211da177e4SLinus Torvalds int status; 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvalds u16 fibsize; 9241da177e4SLinus Torvalds struct aac_dev *dev; 9251da177e4SLinus Torvalds struct fib * cmd_fibcontext; 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 9281da177e4SLinus Torvalds /* 9291da177e4SLinus Torvalds * Get block address and transfer length 9301da177e4SLinus Torvalds */ 9311da177e4SLinus Torvalds if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ 9321da177e4SLinus Torvalds { 9331da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); 9341da177e4SLinus Torvalds 9351da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 9361da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 9371da177e4SLinus Torvalds 9381da177e4SLinus Torvalds if (count == 0) 9391da177e4SLinus Torvalds count = 256; 9401da177e4SLinus Torvalds } else { 9411da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); 9421da177e4SLinus Torvalds 9431da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 9441da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 9451da177e4SLinus Torvalds } 9467c00ffa3SMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", 9477c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies)); 9481da177e4SLinus Torvalds /* 9491da177e4SLinus Torvalds * Alocate and initialize a Fib 9501da177e4SLinus Torvalds */ 9511da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 9521da177e4SLinus Torvalds return -1; 9531da177e4SLinus Torvalds } 9541da177e4SLinus Torvalds 9551da177e4SLinus Torvalds fib_init(cmd_fibcontext); 9561da177e4SLinus Torvalds 9571da177e4SLinus Torvalds if (dev->dac_support == 1) { 9581da177e4SLinus Torvalds struct aac_read64 *readcmd; 9591da177e4SLinus Torvalds readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); 9601da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtHostRead64); 9611da177e4SLinus Torvalds readcmd->cid = cpu_to_le16(cid); 9621da177e4SLinus Torvalds readcmd->sector_count = cpu_to_le16(count); 9631da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9641da177e4SLinus Torvalds readcmd->pad = 0; 9651da177e4SLinus Torvalds readcmd->flags = 0; 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvalds aac_build_sg64(scsicmd, &readcmd->sg); 9681da177e4SLinus Torvalds fibsize = sizeof(struct aac_read64) + 9691da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9701da177e4SLinus Torvalds sizeof (struct sgentry64)); 9711da177e4SLinus Torvalds BUG_ON (fibsize > (sizeof(struct hw_fib) - 9721da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 9731da177e4SLinus Torvalds /* 9741da177e4SLinus Torvalds * Now send the Fib to the adapter 9751da177e4SLinus Torvalds */ 9761da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 9771da177e4SLinus Torvalds cmd_fibcontext, 9781da177e4SLinus Torvalds fibsize, 9791da177e4SLinus Torvalds FsaNormal, 9801da177e4SLinus Torvalds 0, 1, 9811da177e4SLinus Torvalds (fib_callback) read_callback, 9821da177e4SLinus Torvalds (void *) scsicmd); 9831da177e4SLinus Torvalds } else { 9841da177e4SLinus Torvalds struct aac_read *readcmd; 9851da177e4SLinus Torvalds readcmd = (struct aac_read *) fib_data(cmd_fibcontext); 9861da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtBlockRead); 9871da177e4SLinus Torvalds readcmd->cid = cpu_to_le32(cid); 9881da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9891da177e4SLinus Torvalds readcmd->count = cpu_to_le32(count * 512); 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvalds aac_build_sg(scsicmd, &readcmd->sg); 9921da177e4SLinus Torvalds fibsize = sizeof(struct aac_read) + 9931da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9941da177e4SLinus Torvalds sizeof (struct sgentry)); 9957c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 9961da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 9971da177e4SLinus Torvalds /* 9981da177e4SLinus Torvalds * Now send the Fib to the adapter 9991da177e4SLinus Torvalds */ 10001da177e4SLinus Torvalds status = fib_send(ContainerCommand, 10011da177e4SLinus Torvalds cmd_fibcontext, 10021da177e4SLinus Torvalds fibsize, 10031da177e4SLinus Torvalds FsaNormal, 10041da177e4SLinus Torvalds 0, 1, 10051da177e4SLinus Torvalds (fib_callback) read_callback, 10061da177e4SLinus Torvalds (void *) scsicmd); 10071da177e4SLinus Torvalds } 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvalds 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvalds /* 10121da177e4SLinus Torvalds * Check that the command queued to the controller 10131da177e4SLinus Torvalds */ 10141da177e4SLinus Torvalds if (status == -EINPROGRESS) 10151da177e4SLinus Torvalds return 0; 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvalds printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); 10181da177e4SLinus Torvalds /* 10191da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 10201da177e4SLinus Torvalds */ 10211da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 10221da177e4SLinus Torvalds aac_io_done(scsicmd); 10231da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 10241da177e4SLinus Torvalds fib_free(cmd_fibcontext); 10251da177e4SLinus Torvalds return 0; 10261da177e4SLinus Torvalds } 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvalds static int aac_write(struct scsi_cmnd * scsicmd, int cid) 10291da177e4SLinus Torvalds { 10301da177e4SLinus Torvalds u32 lba; 10311da177e4SLinus Torvalds u32 count; 10321da177e4SLinus Torvalds int status; 10331da177e4SLinus Torvalds u16 fibsize; 10341da177e4SLinus Torvalds struct aac_dev *dev; 10351da177e4SLinus Torvalds struct fib * cmd_fibcontext; 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 10381da177e4SLinus Torvalds /* 10391da177e4SLinus Torvalds * Get block address and transfer length 10401da177e4SLinus Torvalds */ 10411da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ 10421da177e4SLinus Torvalds { 10431da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 10441da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 10451da177e4SLinus Torvalds if (count == 0) 10461da177e4SLinus Torvalds count = 256; 10471da177e4SLinus Torvalds } else { 10481da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); 10491da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 10501da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 10511da177e4SLinus Torvalds } 10521da177e4SLinus Torvalds dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", 10531da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies)); 10541da177e4SLinus Torvalds /* 10551da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 10561da177e4SLinus Torvalds */ 10571da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 10581da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16; 10591da177e4SLinus Torvalds aac_io_done(scsicmd); 10601da177e4SLinus Torvalds return 0; 10611da177e4SLinus Torvalds } 10621da177e4SLinus Torvalds fib_init(cmd_fibcontext); 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvalds if(dev->dac_support == 1) { 10651da177e4SLinus Torvalds struct aac_write64 *writecmd; 10661da177e4SLinus Torvalds writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); 10671da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtHostWrite64); 10681da177e4SLinus Torvalds writecmd->cid = cpu_to_le16(cid); 10691da177e4SLinus Torvalds writecmd->sector_count = cpu_to_le16(count); 10701da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 10711da177e4SLinus Torvalds writecmd->pad = 0; 10721da177e4SLinus Torvalds writecmd->flags = 0; 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvalds aac_build_sg64(scsicmd, &writecmd->sg); 10751da177e4SLinus Torvalds fibsize = sizeof(struct aac_write64) + 10761da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 10771da177e4SLinus Torvalds sizeof (struct sgentry64)); 10787c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10791da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10801da177e4SLinus Torvalds /* 10811da177e4SLinus Torvalds * Now send the Fib to the adapter 10821da177e4SLinus Torvalds */ 10831da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 10841da177e4SLinus Torvalds cmd_fibcontext, 10851da177e4SLinus Torvalds fibsize, 10861da177e4SLinus Torvalds FsaNormal, 10871da177e4SLinus Torvalds 0, 1, 10881da177e4SLinus Torvalds (fib_callback) write_callback, 10891da177e4SLinus Torvalds (void *) scsicmd); 10901da177e4SLinus Torvalds } else { 10911da177e4SLinus Torvalds struct aac_write *writecmd; 10921da177e4SLinus Torvalds writecmd = (struct aac_write *) fib_data(cmd_fibcontext); 10931da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtBlockWrite); 10941da177e4SLinus Torvalds writecmd->cid = cpu_to_le32(cid); 10951da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 10961da177e4SLinus Torvalds writecmd->count = cpu_to_le32(count * 512); 10971da177e4SLinus Torvalds writecmd->sg.count = cpu_to_le32(1); 10981da177e4SLinus Torvalds /* ->stable is not used - it did mean which type of write */ 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvalds aac_build_sg(scsicmd, &writecmd->sg); 11011da177e4SLinus Torvalds fibsize = sizeof(struct aac_write) + 11021da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 11031da177e4SLinus Torvalds sizeof (struct sgentry)); 11047c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 11051da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 11061da177e4SLinus Torvalds /* 11071da177e4SLinus Torvalds * Now send the Fib to the adapter 11081da177e4SLinus Torvalds */ 11091da177e4SLinus Torvalds status = fib_send(ContainerCommand, 11101da177e4SLinus Torvalds cmd_fibcontext, 11111da177e4SLinus Torvalds fibsize, 11121da177e4SLinus Torvalds FsaNormal, 11131da177e4SLinus Torvalds 0, 1, 11141da177e4SLinus Torvalds (fib_callback) write_callback, 11151da177e4SLinus Torvalds (void *) scsicmd); 11161da177e4SLinus Torvalds } 11171da177e4SLinus Torvalds 11181da177e4SLinus Torvalds /* 11191da177e4SLinus Torvalds * Check that the command queued to the controller 11201da177e4SLinus Torvalds */ 11211da177e4SLinus Torvalds if (status == -EINPROGRESS) 11221da177e4SLinus Torvalds { 11231da177e4SLinus Torvalds return 0; 11241da177e4SLinus Torvalds } 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvalds printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); 11271da177e4SLinus Torvalds /* 11281da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 11291da177e4SLinus Torvalds */ 11301da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 11311da177e4SLinus Torvalds aac_io_done(scsicmd); 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 11341da177e4SLinus Torvalds fib_free(cmd_fibcontext); 11351da177e4SLinus Torvalds return 0; 11361da177e4SLinus Torvalds } 11371da177e4SLinus Torvalds 11381da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr) 11391da177e4SLinus Torvalds { 11401da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply; 11411da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvalds cmd = context; 11441da177e4SLinus Torvalds 11451da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 11461da177e4SLinus Torvalds smp_processor_id(), jiffies)); 11471da177e4SLinus Torvalds BUG_ON(fibptr == NULL); 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvalds synchronizereply = fib_data(fibptr); 11511da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK) 11521da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11531da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 11541da177e4SLinus Torvalds else { 11551da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device; 11561da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 11571da177e4SLinus Torvalds u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); 11581da177e4SLinus Torvalds printk(KERN_WARNING 11591da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n", 11601da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status)); 11611da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11621da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 11631da177e4SLinus Torvalds set_sense((u8 *)&dev->fsa_dev[cid].sense_data, 11641da177e4SLinus Torvalds HARDWARE_ERROR, 11651da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 11661da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 11671da177e4SLinus Torvalds 0, 0); 11681da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 11691da177e4SLinus Torvalds min(sizeof(dev->fsa_dev[cid].sense_data), 11701da177e4SLinus Torvalds sizeof(cmd->sense_buffer))); 11711da177e4SLinus Torvalds } 11721da177e4SLinus Torvalds 11731da177e4SLinus Torvalds fib_complete(fibptr); 11741da177e4SLinus Torvalds fib_free(fibptr); 11751da177e4SLinus Torvalds aac_io_done(cmd); 11761da177e4SLinus Torvalds } 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) 11791da177e4SLinus Torvalds { 11801da177e4SLinus Torvalds int status; 11811da177e4SLinus Torvalds struct fib *cmd_fibcontext; 11821da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd; 11831da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11841da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device; 11851da177e4SLinus Torvalds int active = 0; 11861da177e4SLinus Torvalds unsigned long flags; 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvalds /* 11891da177e4SLinus Torvalds * Wait for all commands to complete to this specific 11901da177e4SLinus Torvalds * target (block). 11911da177e4SLinus Torvalds */ 11921da177e4SLinus Torvalds spin_lock_irqsave(&sdev->list_lock, flags); 11931da177e4SLinus Torvalds list_for_each_entry(cmd, &sdev->cmd_list, list) 11941da177e4SLinus Torvalds if (cmd != scsicmd && cmd->serial_number != 0) { 11951da177e4SLinus Torvalds ++active; 11961da177e4SLinus Torvalds break; 11971da177e4SLinus Torvalds } 11981da177e4SLinus Torvalds 11991da177e4SLinus Torvalds spin_unlock_irqrestore(&sdev->list_lock, flags); 12001da177e4SLinus Torvalds 12011da177e4SLinus Torvalds /* 12021da177e4SLinus Torvalds * Yield the processor (requeue for later) 12031da177e4SLinus Torvalds */ 12041da177e4SLinus Torvalds if (active) 12051da177e4SLinus Torvalds return SCSI_MLQUEUE_DEVICE_BUSY; 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds /* 12087c00ffa3SMark Haverkamp * Allocate and initialize a Fib 12091da177e4SLinus Torvalds */ 12101da177e4SLinus Torvalds if (!(cmd_fibcontext = 12111da177e4SLinus Torvalds fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) 12121da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12131da177e4SLinus Torvalds 12141da177e4SLinus Torvalds fib_init(cmd_fibcontext); 12151da177e4SLinus Torvalds 12161da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext); 12171da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); 12181da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); 12191da177e4SLinus Torvalds synchronizecmd->cid = cpu_to_le32(cid); 12201da177e4SLinus Torvalds synchronizecmd->count = 12211da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); 12221da177e4SLinus Torvalds 12231da177e4SLinus Torvalds /* 12241da177e4SLinus Torvalds * Now send the Fib to the adapter 12251da177e4SLinus Torvalds */ 12261da177e4SLinus Torvalds status = fib_send(ContainerCommand, 12271da177e4SLinus Torvalds cmd_fibcontext, 12281da177e4SLinus Torvalds sizeof(struct aac_synchronize), 12291da177e4SLinus Torvalds FsaNormal, 12301da177e4SLinus Torvalds 0, 1, 12311da177e4SLinus Torvalds (fib_callback)synchronize_callback, 12321da177e4SLinus Torvalds (void *)scsicmd); 12331da177e4SLinus Torvalds 12341da177e4SLinus Torvalds /* 12351da177e4SLinus Torvalds * Check that the command queued to the controller 12361da177e4SLinus Torvalds */ 12371da177e4SLinus Torvalds if (status == -EINPROGRESS) 12381da177e4SLinus Torvalds return 0; 12391da177e4SLinus Torvalds 12401da177e4SLinus Torvalds printk(KERN_WARNING 12411da177e4SLinus Torvalds "aac_synchronize: fib_send failed with status: %d.\n", status); 12421da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 12431da177e4SLinus Torvalds fib_free(cmd_fibcontext); 12441da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12451da177e4SLinus Torvalds } 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvalds /** 12481da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command 12491da177e4SLinus Torvalds * @scsicmd: SCSI command block 12501da177e4SLinus Torvalds * 12511da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the 12521da177e4SLinus Torvalds * aacraid firmware. 12531da177e4SLinus Torvalds */ 12541da177e4SLinus Torvalds 12551da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd) 12561da177e4SLinus Torvalds { 12571da177e4SLinus Torvalds u32 cid = 0; 12581da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 12591da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata; 12601da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; 12611da177e4SLinus Torvalds int cardtype = dev->cardtype; 12621da177e4SLinus Torvalds int ret; 12631da177e4SLinus Torvalds 12641da177e4SLinus Torvalds /* 12651da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail 12661da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller 12671da177e4SLinus Torvalds * itself. 12681da177e4SLinus Torvalds */ 12691da177e4SLinus Torvalds if (scsicmd->device->id != host->this_id) { 12701da177e4SLinus Torvalds if ((scsicmd->device->channel == 0) ){ 12711da177e4SLinus Torvalds if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ 12721da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 12731da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12741da177e4SLinus Torvalds return 0; 12751da177e4SLinus Torvalds } 12761da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvalds /* 12791da177e4SLinus Torvalds * If the target container doesn't exist, it may have 12801da177e4SLinus Torvalds * been newly created 12811da177e4SLinus Torvalds */ 12821da177e4SLinus Torvalds if ((fsa_dev_ptr[cid].valid & 1) == 0) { 12831da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 12841da177e4SLinus Torvalds case INQUIRY: 12851da177e4SLinus Torvalds case READ_CAPACITY: 12861da177e4SLinus Torvalds case TEST_UNIT_READY: 12871da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 12881da177e4SLinus Torvalds probe_container(dev, cid); 12891da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 12901da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 12911da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 12921da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 12931da177e4SLinus Torvalds return 0; 12941da177e4SLinus Torvalds } 12951da177e4SLinus Torvalds default: 12961da177e4SLinus Torvalds break; 12971da177e4SLinus Torvalds } 12981da177e4SLinus Torvalds } 12991da177e4SLinus Torvalds /* 13001da177e4SLinus Torvalds * If the target container still doesn't exist, 13011da177e4SLinus Torvalds * return failure 13021da177e4SLinus Torvalds */ 13031da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 13041da177e4SLinus Torvalds scsicmd->result = DID_BAD_TARGET << 16; 13051da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13061da177e4SLinus Torvalds return 0; 13071da177e4SLinus Torvalds } 13081da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */ 13091da177e4SLinus Torvalds if(dev->nondasd_support == 1){ 13101da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd); 13111da177e4SLinus Torvalds } else { 13121da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13131da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13141da177e4SLinus Torvalds return 0; 13151da177e4SLinus Torvalds } 13161da177e4SLinus Torvalds } 13171da177e4SLinus Torvalds } 13181da177e4SLinus Torvalds /* 13191da177e4SLinus Torvalds * else Command for the controller itself 13201da177e4SLinus Torvalds */ 13211da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ 13221da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY)) 13231da177e4SLinus Torvalds { 13241da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); 13251da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 13261da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 13271da177e4SLinus Torvalds ILLEGAL_REQUEST, 13281da177e4SLinus Torvalds SENCODE_INVALID_COMMAND, 13291da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 13301da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 13311da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 13321da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 13331da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 13341da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13351da177e4SLinus Torvalds return 0; 13361da177e4SLinus Torvalds } 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvalds /* Handle commands here that don't really require going out to the adapter */ 13401da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13411da177e4SLinus Torvalds case INQUIRY: 13421da177e4SLinus Torvalds { 13431da177e4SLinus Torvalds struct inquiry_data *inq_data_ptr; 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvalds dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); 13461da177e4SLinus Torvalds inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer; 13471da177e4SLinus Torvalds memset(inq_data_ptr, 0, sizeof (struct inquiry_data)); 13481da177e4SLinus Torvalds 13491da177e4SLinus Torvalds inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */ 13501da177e4SLinus Torvalds inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ 13511da177e4SLinus 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 */ 13521da177e4SLinus Torvalds inq_data_ptr->inqd_len = 31; 13531da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 13541da177e4SLinus Torvalds inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ 13551da177e4SLinus Torvalds /* 13561da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level 13571da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c 13581da177e4SLinus Torvalds */ 13591da177e4SLinus Torvalds if (scsicmd->device->id == host->this_id) { 13601da177e4SLinus Torvalds setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *))); 13611da177e4SLinus Torvalds inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */ 13621da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13631da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13641da177e4SLinus Torvalds return 0; 13651da177e4SLinus Torvalds } 13661da177e4SLinus Torvalds setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type); 13671da177e4SLinus Torvalds inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ 13681da177e4SLinus Torvalds return aac_get_container_name(scsicmd, cid); 13691da177e4SLinus Torvalds } 13701da177e4SLinus Torvalds case READ_CAPACITY: 13711da177e4SLinus Torvalds { 13721da177e4SLinus Torvalds u32 capacity; 13731da177e4SLinus Torvalds char *cp; 13741da177e4SLinus Torvalds 13751da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n")); 13761da177e4SLinus Torvalds if (fsa_dev_ptr[cid].size <= 0x100000000LL) 13771da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1; 13781da177e4SLinus Torvalds else 13791da177e4SLinus Torvalds capacity = (u32)-1; 13801da177e4SLinus Torvalds cp = scsicmd->request_buffer; 13811da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff; 13821da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff; 13831da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff; 13841da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff; 13851da177e4SLinus Torvalds cp[4] = 0; 13861da177e4SLinus Torvalds cp[5] = 0; 13871da177e4SLinus Torvalds cp[6] = 2; 13881da177e4SLinus Torvalds cp[7] = 0; 13891da177e4SLinus Torvalds 13901da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13911da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13921da177e4SLinus Torvalds 13931da177e4SLinus Torvalds return 0; 13941da177e4SLinus Torvalds } 13951da177e4SLinus Torvalds 13961da177e4SLinus Torvalds case MODE_SENSE: 13971da177e4SLinus Torvalds { 13981da177e4SLinus Torvalds char *mode_buf; 13991da177e4SLinus Torvalds 14001da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n")); 14011da177e4SLinus Torvalds mode_buf = scsicmd->request_buffer; 14021da177e4SLinus Torvalds mode_buf[0] = 3; /* Mode data length */ 14031da177e4SLinus Torvalds mode_buf[1] = 0; /* Medium type - default */ 14041da177e4SLinus Torvalds mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14051da177e4SLinus Torvalds mode_buf[3] = 0; /* Block descriptor length */ 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14081da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvalds return 0; 14111da177e4SLinus Torvalds } 14121da177e4SLinus Torvalds case MODE_SENSE_10: 14131da177e4SLinus Torvalds { 14141da177e4SLinus Torvalds char *mode_buf; 14151da177e4SLinus Torvalds 14161da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); 14171da177e4SLinus Torvalds mode_buf = scsicmd->request_buffer; 14181da177e4SLinus Torvalds mode_buf[0] = 0; /* Mode data length (MSB) */ 14191da177e4SLinus Torvalds mode_buf[1] = 6; /* Mode data length (LSB) */ 14201da177e4SLinus Torvalds mode_buf[2] = 0; /* Medium type - default */ 14211da177e4SLinus Torvalds mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14221da177e4SLinus Torvalds mode_buf[4] = 0; /* reserved */ 14231da177e4SLinus Torvalds mode_buf[5] = 0; /* reserved */ 14241da177e4SLinus Torvalds mode_buf[6] = 0; /* Block descriptor length (MSB) */ 14251da177e4SLinus Torvalds mode_buf[7] = 0; /* Block descriptor length (LSB) */ 14261da177e4SLinus Torvalds 14271da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14281da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14291da177e4SLinus Torvalds 14301da177e4SLinus Torvalds return 0; 14311da177e4SLinus Torvalds } 14321da177e4SLinus Torvalds case REQUEST_SENSE: 14331da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); 14341da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); 14351da177e4SLinus Torvalds memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); 14361da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14371da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14381da177e4SLinus Torvalds return 0; 14391da177e4SLinus Torvalds 14401da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL: 14411da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n")); 14421da177e4SLinus Torvalds if (scsicmd->cmnd[4]) 14431da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1; 14441da177e4SLinus Torvalds else 14451da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0; 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14481da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14491da177e4SLinus Torvalds return 0; 14501da177e4SLinus Torvalds /* 14511da177e4SLinus Torvalds * These commands are all No-Ops 14521da177e4SLinus Torvalds */ 14531da177e4SLinus Torvalds case TEST_UNIT_READY: 14541da177e4SLinus Torvalds case RESERVE: 14551da177e4SLinus Torvalds case RELEASE: 14561da177e4SLinus Torvalds case REZERO_UNIT: 14571da177e4SLinus Torvalds case REASSIGN_BLOCKS: 14581da177e4SLinus Torvalds case SEEK_10: 14591da177e4SLinus Torvalds case START_STOP: 14601da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14611da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14621da177e4SLinus Torvalds return 0; 14631da177e4SLinus Torvalds } 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) 14661da177e4SLinus Torvalds { 14671da177e4SLinus Torvalds case READ_6: 14681da177e4SLinus Torvalds case READ_10: 14691da177e4SLinus Torvalds /* 14701da177e4SLinus Torvalds * Hack to keep track of ordinal number of the device that 14711da177e4SLinus Torvalds * corresponds to a container. Needed to convert 14721da177e4SLinus Torvalds * containers to /dev/sd device names 14731da177e4SLinus Torvalds */ 14741da177e4SLinus Torvalds 14751da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 14761da177e4SLinus Torvalds if (scsicmd->request->rq_disk) 14771da177e4SLinus Torvalds memcpy(fsa_dev_ptr[cid].devname, 14781da177e4SLinus Torvalds scsicmd->request->rq_disk->disk_name, 14791da177e4SLinus Torvalds 8); 14801da177e4SLinus Torvalds 14811da177e4SLinus Torvalds ret = aac_read(scsicmd, cid); 14821da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 14831da177e4SLinus Torvalds return ret; 14841da177e4SLinus Torvalds 14851da177e4SLinus Torvalds case WRITE_6: 14861da177e4SLinus Torvalds case WRITE_10: 14871da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 14881da177e4SLinus Torvalds ret = aac_write(scsicmd, cid); 14891da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 14901da177e4SLinus Torvalds return ret; 14911da177e4SLinus Torvalds 14921da177e4SLinus Torvalds case SYNCHRONIZE_CACHE: 14931da177e4SLinus Torvalds /* Issue FIB to tell Firmware to flush it's cache */ 14941da177e4SLinus Torvalds return aac_synchronize(scsicmd, cid); 14951da177e4SLinus Torvalds 14961da177e4SLinus Torvalds default: 14971da177e4SLinus Torvalds /* 14981da177e4SLinus Torvalds * Unhandled commands 14991da177e4SLinus Torvalds */ 15007c00ffa3SMark Haverkamp dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); 15011da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 15021da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 15031da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 15041da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 15051da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 15061da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 15071da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 15081da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 15091da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 15101da177e4SLinus Torvalds return 0; 15111da177e4SLinus Torvalds } 15121da177e4SLinus Torvalds } 15131da177e4SLinus Torvalds 15141da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg) 15151da177e4SLinus Torvalds { 15161da177e4SLinus Torvalds struct aac_query_disk qd; 15171da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15181da177e4SLinus Torvalds 15191da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15201da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) 15211da177e4SLinus Torvalds return -EFAULT; 15221da177e4SLinus Torvalds if (qd.cnum == -1) 15231da177e4SLinus Torvalds qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); 15241da177e4SLinus Torvalds else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) 15251da177e4SLinus Torvalds { 15261da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) 15271da177e4SLinus Torvalds return -EINVAL; 15281da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no; 15291da177e4SLinus Torvalds qd.bus = 0; 15301da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum); 15311da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum); 15321da177e4SLinus Torvalds } 15331da177e4SLinus Torvalds else return -EINVAL; 15341da177e4SLinus Torvalds 15351da177e4SLinus Torvalds qd.valid = fsa_dev_ptr[qd.cnum].valid; 15361da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked; 15371da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted; 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') 15401da177e4SLinus Torvalds qd.unmapped = 1; 15411da177e4SLinus Torvalds else 15421da177e4SLinus Torvalds qd.unmapped = 0; 15431da177e4SLinus Torvalds 15441da177e4SLinus Torvalds strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, 15451da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); 15461da177e4SLinus Torvalds 15471da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) 15481da177e4SLinus Torvalds return -EFAULT; 15491da177e4SLinus Torvalds return 0; 15501da177e4SLinus Torvalds } 15511da177e4SLinus Torvalds 15521da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg) 15531da177e4SLinus Torvalds { 15541da177e4SLinus Torvalds struct aac_delete_disk dd; 15551da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15581da177e4SLinus Torvalds 15591da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 15601da177e4SLinus Torvalds return -EFAULT; 15611da177e4SLinus Torvalds 15621da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 15631da177e4SLinus Torvalds return -EINVAL; 15641da177e4SLinus Torvalds /* 15651da177e4SLinus Torvalds * Mark this container as being deleted. 15661da177e4SLinus Torvalds */ 15671da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1; 15681da177e4SLinus Torvalds /* 15691da177e4SLinus Torvalds * Mark the container as no longer valid 15701da177e4SLinus Torvalds */ 15711da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 15721da177e4SLinus Torvalds return 0; 15731da177e4SLinus Torvalds } 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg) 15761da177e4SLinus Torvalds { 15771da177e4SLinus Torvalds struct aac_delete_disk dd; 15781da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15791da177e4SLinus Torvalds 15801da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15811da177e4SLinus Torvalds 15821da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 15831da177e4SLinus Torvalds return -EFAULT; 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 15861da177e4SLinus Torvalds return -EINVAL; 15871da177e4SLinus Torvalds /* 15881da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API. 15891da177e4SLinus Torvalds */ 15901da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked) 15911da177e4SLinus Torvalds return -EBUSY; 15921da177e4SLinus Torvalds else { 15931da177e4SLinus Torvalds /* 15941da177e4SLinus Torvalds * Mark the container as no longer being valid. 15951da177e4SLinus Torvalds */ 15961da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 15971da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0'; 15981da177e4SLinus Torvalds return 0; 15991da177e4SLinus Torvalds } 16001da177e4SLinus Torvalds } 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvalds int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) 16031da177e4SLinus Torvalds { 16041da177e4SLinus Torvalds switch (cmd) { 16051da177e4SLinus Torvalds case FSACTL_QUERY_DISK: 16061da177e4SLinus Torvalds return query_disk(dev, arg); 16071da177e4SLinus Torvalds case FSACTL_DELETE_DISK: 16081da177e4SLinus Torvalds return delete_disk(dev, arg); 16091da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK: 16101da177e4SLinus Torvalds return force_delete_disk(dev, arg); 16111da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS: 16121da177e4SLinus Torvalds return aac_get_containers(dev); 16131da177e4SLinus Torvalds default: 16141da177e4SLinus Torvalds return -ENOTTY; 16151da177e4SLinus Torvalds } 16161da177e4SLinus Torvalds } 16171da177e4SLinus Torvalds 16181da177e4SLinus Torvalds /** 16191da177e4SLinus Torvalds * 16201da177e4SLinus Torvalds * aac_srb_callback 16211da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd 16221da177e4SLinus Torvalds * @fibptr: pointer to the fib 16231da177e4SLinus Torvalds * 16241da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device 16251da177e4SLinus Torvalds * 16261da177e4SLinus Torvalds */ 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr) 16291da177e4SLinus Torvalds { 16301da177e4SLinus Torvalds struct aac_dev *dev; 16311da177e4SLinus Torvalds struct aac_srb_reply *srbreply; 16321da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 16331da177e4SLinus Torvalds 16341da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 16351da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvalds if (fibptr == NULL) 16381da177e4SLinus Torvalds BUG(); 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvalds srbreply = (struct aac_srb_reply *) fib_data(fibptr); 16411da177e4SLinus Torvalds 16421da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ 16431da177e4SLinus Torvalds /* 16441da177e4SLinus Torvalds * Calculate resid for sg 16451da177e4SLinus Torvalds */ 16461da177e4SLinus Torvalds 16471da177e4SLinus Torvalds scsicmd->resid = scsicmd->request_bufflen - 16481da177e4SLinus Torvalds le32_to_cpu(srbreply->data_xfer_length); 16491da177e4SLinus Torvalds 16501da177e4SLinus Torvalds if(scsicmd->use_sg) 16511da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 16521da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 16531da177e4SLinus Torvalds scsicmd->use_sg, 16541da177e4SLinus Torvalds scsicmd->sc_data_direction); 16551da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 16561da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, 16571da177e4SLinus Torvalds scsicmd->sc_data_direction); 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvalds /* 16601da177e4SLinus Torvalds * First check the fib status 16611da177e4SLinus Torvalds */ 16621da177e4SLinus Torvalds 16631da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK){ 16641da177e4SLinus Torvalds int len; 16651da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); 16661da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 16671da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 16681da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 16691da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 16701da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 16711da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 16721da177e4SLinus Torvalds } 16731da177e4SLinus Torvalds 16741da177e4SLinus Torvalds /* 16751da177e4SLinus Torvalds * Next check the srb status 16761da177e4SLinus Torvalds */ 16771da177e4SLinus Torvalds switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ 16781da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY: 16791da177e4SLinus Torvalds case SRB_STATUS_PENDING: 16801da177e4SLinus Torvalds case SRB_STATUS_SUCCESS: 16811da177e4SLinus Torvalds if(scsicmd->cmnd[0] == INQUIRY ){ 16821da177e4SLinus Torvalds u8 b; 16831da177e4SLinus Torvalds u8 b1; 16841da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 16851da177e4SLinus Torvalds * are the raw container drives or stand alone drives. If they have 16861da177e4SLinus Torvalds * the removable bit set then we should expose them though. 16871da177e4SLinus Torvalds */ 16881da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x1f; 16891da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 16901da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 16911da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 16921da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 16931da177e4SLinus Torvalds /* 16941da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 16951da177e4SLinus Torvalds * the channel is 2 16961da177e4SLinus Torvalds */ 16971da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 16981da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 16991da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17001da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17011da177e4SLinus Torvalds } else { 17021da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17031da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17041da177e4SLinus Torvalds } 17051da177e4SLinus Torvalds } else { 17061da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17071da177e4SLinus Torvalds } 17081da177e4SLinus Torvalds break; 17091da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN: 17101da177e4SLinus Torvalds switch(scsicmd->cmnd[0]){ 17111da177e4SLinus Torvalds case READ_6: 17121da177e4SLinus Torvalds case WRITE_6: 17131da177e4SLinus Torvalds case READ_10: 17141da177e4SLinus Torvalds case WRITE_10: 17151da177e4SLinus Torvalds case READ_12: 17161da177e4SLinus Torvalds case WRITE_12: 17171da177e4SLinus Torvalds if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { 17181da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); 17191da177e4SLinus Torvalds } else { 17201da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); 17211da177e4SLinus Torvalds } 17221da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 17231da177e4SLinus Torvalds break; 17241da177e4SLinus Torvalds case INQUIRY: { 17251da177e4SLinus Torvalds u8 b; 17261da177e4SLinus Torvalds u8 b1; 17271da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 17281da177e4SLinus Torvalds * are the raw container drives or stand alone drives 17291da177e4SLinus Torvalds */ 17301da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x0f; 17311da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 17321da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 17331da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 17341da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17351da177e4SLinus Torvalds /* 17361da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17371da177e4SLinus Torvalds * the channel is 2 17381da177e4SLinus Torvalds */ 17391da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17401da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17411da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17421da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17431da177e4SLinus Torvalds } else { 17441da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17451da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17461da177e4SLinus Torvalds } 17471da177e4SLinus Torvalds break; 17481da177e4SLinus Torvalds } 17491da177e4SLinus Torvalds default: 17501da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17511da177e4SLinus Torvalds break; 17521da177e4SLinus Torvalds } 17531da177e4SLinus Torvalds break; 17541da177e4SLinus Torvalds case SRB_STATUS_ABORTED: 17551da177e4SLinus Torvalds scsicmd->result = DID_ABORT << 16 | ABORT << 8; 17561da177e4SLinus Torvalds break; 17571da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED: 17581da177e4SLinus Torvalds // Not sure about this one - but assuming the hba was trying to abort for some reason 17591da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | ABORT << 8; 17601da177e4SLinus Torvalds break; 17611da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR: 17621da177e4SLinus Torvalds scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; 17631da177e4SLinus Torvalds break; 17641da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE: 17651da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID: 17661da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID: 17671da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN: 17681da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT: 17691da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 17701da177e4SLinus Torvalds break; 17711da177e4SLinus Torvalds 17721da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT: 17731da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT: 17741da177e4SLinus Torvalds scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; 17751da177e4SLinus Torvalds break; 17761da177e4SLinus Torvalds 17771da177e4SLinus Torvalds case SRB_STATUS_BUSY: 17781da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 17791da177e4SLinus Torvalds break; 17801da177e4SLinus Torvalds 17811da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET: 17821da177e4SLinus Torvalds scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; 17831da177e4SLinus Torvalds break; 17841da177e4SLinus Torvalds 17851da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED: 17861da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; 17871da177e4SLinus Torvalds break; 17881da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED: 17891da177e4SLinus Torvalds case SRB_STATUS_ERROR: 17901da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST: 17911da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED: 17921da177e4SLinus Torvalds case SRB_STATUS_NO_HBA: 17931da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE: 17941da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE: 17951da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: 17961da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY: 17971da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION: 17981da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED: 17991da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE: 18001da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT: 18011da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL: 18021da177e4SLinus Torvalds default: 18031da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18041da177e4SLinus Torvalds printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", 18051da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F, 18061da177e4SLinus Torvalds aac_get_status_string( 18071da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F), 18081da177e4SLinus Torvalds scsicmd->cmnd[0], 18091da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status)); 18101da177e4SLinus Torvalds #endif 18111da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 18121da177e4SLinus Torvalds break; 18131da177e4SLinus Torvalds } 18141da177e4SLinus Torvalds if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition 18151da177e4SLinus Torvalds int len; 18161da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION; 18171da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 18181da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 18191da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 18201da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 18211da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18221da177e4SLinus Torvalds dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", 18231da177e4SLinus Torvalds le32_to_cpu(srbreply->status), len)); 18241da177e4SLinus Torvalds #endif 18251da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvalds } 18281da177e4SLinus Torvalds /* 18291da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit) 18301da177e4SLinus Torvalds */ 18311da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status); 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds fib_complete(fibptr); 18341da177e4SLinus Torvalds fib_free(fibptr); 18351da177e4SLinus Torvalds aac_io_done(scsicmd); 18361da177e4SLinus Torvalds } 18371da177e4SLinus Torvalds 18381da177e4SLinus Torvalds /** 18391da177e4SLinus Torvalds * 18401da177e4SLinus Torvalds * aac_send_scb_fib 18411da177e4SLinus Torvalds * @scsicmd: the scsi command block 18421da177e4SLinus Torvalds * 18431da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the 18441da177e4SLinus Torvalds * scsicmd passed in. 18451da177e4SLinus Torvalds */ 18461da177e4SLinus Torvalds 18471da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) 18481da177e4SLinus Torvalds { 18491da177e4SLinus Torvalds struct fib* cmd_fibcontext; 18501da177e4SLinus Torvalds struct aac_dev* dev; 18511da177e4SLinus Torvalds int status; 18521da177e4SLinus Torvalds struct aac_srb *srbcmd; 18531da177e4SLinus Torvalds u16 fibsize; 18541da177e4SLinus Torvalds u32 flag; 18551da177e4SLinus Torvalds u32 timeout; 18561da177e4SLinus Torvalds 185784971738SMark Haverkamp dev = (struct aac_dev *)scsicmd->device->host->hostdata; 185884971738SMark Haverkamp if (scsicmd->device->id >= dev->maximum_num_physicals || 185984971738SMark Haverkamp scsicmd->device->lun > 7) { 18601da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 18611da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 18621da177e4SLinus Torvalds return 0; 18631da177e4SLinus Torvalds } 18641da177e4SLinus Torvalds 18651da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 18661da177e4SLinus Torvalds switch(scsicmd->sc_data_direction){ 18671da177e4SLinus Torvalds case DMA_TO_DEVICE: 18681da177e4SLinus Torvalds flag = SRB_DataOut; 18691da177e4SLinus Torvalds break; 18701da177e4SLinus Torvalds case DMA_BIDIRECTIONAL: 18711da177e4SLinus Torvalds flag = SRB_DataIn | SRB_DataOut; 18721da177e4SLinus Torvalds break; 18731da177e4SLinus Torvalds case DMA_FROM_DEVICE: 18741da177e4SLinus Torvalds flag = SRB_DataIn; 18751da177e4SLinus Torvalds break; 18761da177e4SLinus Torvalds case DMA_NONE: 18771da177e4SLinus Torvalds default: /* shuts up some versions of gcc */ 18781da177e4SLinus Torvalds flag = SRB_NoDataXfer; 18791da177e4SLinus Torvalds break; 18801da177e4SLinus Torvalds } 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvalds /* 18841da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 18851da177e4SLinus Torvalds */ 18861da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 18871da177e4SLinus Torvalds return -1; 18881da177e4SLinus Torvalds } 18891da177e4SLinus Torvalds fib_init(cmd_fibcontext); 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); 18921da177e4SLinus Torvalds srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); 18931da177e4SLinus Torvalds srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); 18941da177e4SLinus Torvalds srbcmd->id = cpu_to_le32(scsicmd->device->id); 18951da177e4SLinus Torvalds srbcmd->lun = cpu_to_le32(scsicmd->device->lun); 18961da177e4SLinus Torvalds srbcmd->flags = cpu_to_le32(flag); 18971da177e4SLinus Torvalds timeout = (scsicmd->timeout-jiffies)/HZ; 18981da177e4SLinus Torvalds if(timeout == 0){ 18991da177e4SLinus Torvalds timeout = 1; 19001da177e4SLinus Torvalds } 19011da177e4SLinus Torvalds srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds 19021da177e4SLinus Torvalds srbcmd->retry_limit = 0; /* Obsolete parameter */ 19031da177e4SLinus Torvalds srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds if( dev->dac_support == 1 ) { 19061da177e4SLinus Torvalds aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); 19071da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19081da177e4SLinus Torvalds 19091da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19101da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19111da177e4SLinus Torvalds /* 19121da177e4SLinus Torvalds * Build Scatter/Gather list 19131da177e4SLinus Torvalds */ 19141da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + 19151da177e4SLinus Torvalds ((le32_to_cpu(srbcmd->sg.count) & 0xff) * 19161da177e4SLinus Torvalds sizeof (struct sgentry64)); 19177c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19181da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvalds /* 19211da177e4SLinus Torvalds * Now send the Fib to the adapter 19221da177e4SLinus Torvalds */ 19231da177e4SLinus Torvalds status = fib_send(ScsiPortCommand64, cmd_fibcontext, 19241da177e4SLinus Torvalds fibsize, FsaNormal, 0, 1, 19251da177e4SLinus Torvalds (fib_callback) aac_srb_callback, 19261da177e4SLinus Torvalds (void *) scsicmd); 19271da177e4SLinus Torvalds } else { 19281da177e4SLinus Torvalds aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); 19291da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19301da177e4SLinus Torvalds 19311da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19321da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19331da177e4SLinus Torvalds /* 19341da177e4SLinus Torvalds * Build Scatter/Gather list 19351da177e4SLinus Torvalds */ 19361da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) + 19371da177e4SLinus Torvalds (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 19381da177e4SLinus Torvalds sizeof (struct sgentry)); 19397c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19401da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvalds /* 19431da177e4SLinus Torvalds * Now send the Fib to the adapter 19441da177e4SLinus Torvalds */ 19451da177e4SLinus Torvalds status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, 19461da177e4SLinus Torvalds (fib_callback) aac_srb_callback, (void *) scsicmd); 19471da177e4SLinus Torvalds } 19481da177e4SLinus Torvalds /* 19491da177e4SLinus Torvalds * Check that the command queued to the controller 19501da177e4SLinus Torvalds */ 19511da177e4SLinus Torvalds if (status == -EINPROGRESS){ 19521da177e4SLinus Torvalds return 0; 19531da177e4SLinus Torvalds } 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); 19561da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 19571da177e4SLinus Torvalds fib_free(cmd_fibcontext); 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvalds return -1; 19601da177e4SLinus Torvalds } 19611da177e4SLinus Torvalds 19621da177e4SLinus Torvalds static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) 19631da177e4SLinus Torvalds { 19641da177e4SLinus Torvalds struct aac_dev *dev; 19651da177e4SLinus Torvalds unsigned long byte_count = 0; 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 19681da177e4SLinus Torvalds // Get rid of old data 19691da177e4SLinus Torvalds psg->count = 0; 19701da177e4SLinus Torvalds psg->sg[0].addr = 0; 19711da177e4SLinus Torvalds psg->sg[0].count = 0; 19721da177e4SLinus Torvalds if (scsicmd->use_sg) { 19731da177e4SLinus Torvalds struct scatterlist *sg; 19741da177e4SLinus Torvalds int i; 19751da177e4SLinus Torvalds int sg_count; 19761da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 19791da177e4SLinus Torvalds scsicmd->sc_data_direction); 19801da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 19811da177e4SLinus Torvalds 19821da177e4SLinus Torvalds byte_count = 0; 19831da177e4SLinus Torvalds 19841da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 19851da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); 19861da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 19871da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 19881da177e4SLinus Torvalds sg++; 19891da177e4SLinus Torvalds } 19901da177e4SLinus Torvalds /* hba wants the size to be exact */ 19911da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 199256b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 199356b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 199456b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 19951da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 19961da177e4SLinus Torvalds } 19971da177e4SLinus Torvalds /* Check for command underflow */ 19981da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 19991da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20001da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20011da177e4SLinus Torvalds } 20021da177e4SLinus Torvalds } 20031da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 20041da177e4SLinus Torvalds dma_addr_t addr; 20051da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20061da177e4SLinus Torvalds scsicmd->request_buffer, 20071da177e4SLinus Torvalds scsicmd->request_bufflen, 20081da177e4SLinus Torvalds scsicmd->sc_data_direction); 20091da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 20101da177e4SLinus Torvalds psg->sg[0].addr = cpu_to_le32(addr); 20111da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 20121da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 20131da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20141da177e4SLinus Torvalds } 20151da177e4SLinus Torvalds return byte_count; 20161da177e4SLinus Torvalds } 20171da177e4SLinus Torvalds 20181da177e4SLinus Torvalds 20191da177e4SLinus Torvalds static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) 20201da177e4SLinus Torvalds { 20211da177e4SLinus Torvalds struct aac_dev *dev; 20221da177e4SLinus Torvalds unsigned long byte_count = 0; 202356b58712SMark Haverkamp u64 addr; 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 20261da177e4SLinus Torvalds // Get rid of old data 20271da177e4SLinus Torvalds psg->count = 0; 20281da177e4SLinus Torvalds psg->sg[0].addr[0] = 0; 20291da177e4SLinus Torvalds psg->sg[0].addr[1] = 0; 20301da177e4SLinus Torvalds psg->sg[0].count = 0; 20311da177e4SLinus Torvalds if (scsicmd->use_sg) { 20321da177e4SLinus Torvalds struct scatterlist *sg; 20331da177e4SLinus Torvalds int i; 20341da177e4SLinus Torvalds int sg_count; 20351da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20381da177e4SLinus Torvalds scsicmd->sc_data_direction); 20391da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20401da177e4SLinus Torvalds 20411da177e4SLinus Torvalds byte_count = 0; 20421da177e4SLinus Torvalds 20431da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 204456b58712SMark Haverkamp addr = sg_dma_address(sg); 204556b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); 204656b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32); 20471da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 20481da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 20491da177e4SLinus Torvalds sg++; 20501da177e4SLinus Torvalds } 20511da177e4SLinus Torvalds /* hba wants the size to be exact */ 20521da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 205356b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 205456b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 205556b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 20561da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20571da177e4SLinus Torvalds } 20581da177e4SLinus Torvalds /* Check for command underflow */ 20591da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 20601da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20611da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20621da177e4SLinus Torvalds } 20631da177e4SLinus Torvalds } 20641da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 206556b58712SMark Haverkamp u64 addr; 20661da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20671da177e4SLinus Torvalds scsicmd->request_buffer, 20681da177e4SLinus Torvalds scsicmd->request_bufflen, 20691da177e4SLinus Torvalds scsicmd->sc_data_direction); 20701da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 207156b58712SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); 207256b58712SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); 20731da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 20741da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 20751da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20761da177e4SLinus Torvalds } 20771da177e4SLinus Torvalds return byte_count; 20781da177e4SLinus Torvalds } 20791da177e4SLinus Torvalds 20801da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 20811da177e4SLinus Torvalds 20821da177e4SLinus Torvalds struct aac_srb_status_info { 20831da177e4SLinus Torvalds u32 status; 20841da177e4SLinus Torvalds char *str; 20851da177e4SLinus Torvalds }; 20861da177e4SLinus Torvalds 20871da177e4SLinus Torvalds 20881da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = { 20891da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"}, 20901da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"}, 20911da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"}, 20921da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, 20931da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"}, 20941da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"}, 20951da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, 20961da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, 20971da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"}, 20981da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"}, 20991da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, 21001da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, 21011da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, 21021da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"}, 21031da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"}, 21041da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, 21051da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"}, 21061da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, 21071da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, 21081da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, 21091da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, 21101da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, 21111da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, 21121da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, 21131da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, 21141da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, 21151da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, 21161da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"}, 21171da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"}, 21181da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"}, 21191da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, 21201da177e4SLinus Torvalds { 0xff, "Unknown Error"} 21211da177e4SLinus Torvalds }; 21221da177e4SLinus Torvalds 21231da177e4SLinus Torvalds char *aac_get_status_string(u32 status) 21241da177e4SLinus Torvalds { 21251da177e4SLinus Torvalds int i; 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvalds for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ 21281da177e4SLinus Torvalds if(srb_status_info[i].status == status){ 21291da177e4SLinus Torvalds return srb_status_info[i].str; 21301da177e4SLinus Torvalds } 21311da177e4SLinus Torvalds } 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvalds return "Bad Status Code"; 21341da177e4SLinus Torvalds } 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvalds #endif 2137