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); 1360e68c003SMark Haverkamp static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); 1371da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); 1381da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 1391da177e4SLinus Torvalds static char *aac_get_status_string(u32 status); 1401da177e4SLinus Torvalds #endif 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds /* 1431da177e4SLinus Torvalds * Non dasd selection is handled entirely in aachba now 1441da177e4SLinus Torvalds */ 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds static int nondasd = -1; 1471da177e4SLinus Torvalds static int dacmode = -1; 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvalds static int commit = -1; 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds module_param(nondasd, int, 0); 1521da177e4SLinus Torvalds MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); 1531da177e4SLinus Torvalds module_param(dacmode, int, 0); 1541da177e4SLinus Torvalds MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); 1551da177e4SLinus Torvalds module_param(commit, int, 0); 1561da177e4SLinus 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"); 1571da177e4SLinus Torvalds 1587c00ffa3SMark Haverkamp int numacb = -1; 1597c00ffa3SMark Haverkamp module_param(numacb, int, S_IRUGO|S_IWUSR); 1607c00ffa3SMark 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."); 1617c00ffa3SMark Haverkamp 1627c00ffa3SMark Haverkamp int acbsize = -1; 1637c00ffa3SMark Haverkamp module_param(acbsize, int, S_IRUGO|S_IWUSR); 1647c00ffa3SMark 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."); 1651da177e4SLinus Torvalds /** 1661da177e4SLinus Torvalds * aac_get_config_status - check the adapter configuration 1671da177e4SLinus Torvalds * @common: adapter to query 1681da177e4SLinus Torvalds * 1691da177e4SLinus Torvalds * Query config status, and commit the configuration if needed. 1701da177e4SLinus Torvalds */ 1711da177e4SLinus Torvalds int aac_get_config_status(struct aac_dev *dev) 1721da177e4SLinus Torvalds { 1731da177e4SLinus Torvalds int status = 0; 1741da177e4SLinus Torvalds struct fib * fibptr; 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 1771da177e4SLinus Torvalds return -ENOMEM; 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds fib_init(fibptr); 1801da177e4SLinus Torvalds { 1811da177e4SLinus Torvalds struct aac_get_config_status *dinfo; 1821da177e4SLinus Torvalds dinfo = (struct aac_get_config_status *) fib_data(fibptr); 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 1851da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS); 1861da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data)); 1871da177e4SLinus Torvalds } 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds status = fib_send(ContainerCommand, 1901da177e4SLinus Torvalds fibptr, 1911da177e4SLinus Torvalds sizeof (struct aac_get_config_status), 1921da177e4SLinus Torvalds FsaNormal, 1931da177e4SLinus Torvalds 1, 1, 1941da177e4SLinus Torvalds NULL, NULL); 1951da177e4SLinus Torvalds if (status < 0 ) { 1961da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); 1971da177e4SLinus Torvalds } else { 1981da177e4SLinus Torvalds struct aac_get_config_status_resp *reply 1991da177e4SLinus Torvalds = (struct aac_get_config_status_resp *) fib_data(fibptr); 2001da177e4SLinus Torvalds dprintk((KERN_WARNING 2011da177e4SLinus Torvalds "aac_get_config_status: response=%d status=%d action=%d\n", 2021da177e4SLinus Torvalds le32_to_cpu(reply->response), 2031da177e4SLinus Torvalds le32_to_cpu(reply->status), 2041da177e4SLinus Torvalds le32_to_cpu(reply->data.action))); 2051da177e4SLinus Torvalds if ((le32_to_cpu(reply->response) != ST_OK) || 2061da177e4SLinus Torvalds (le32_to_cpu(reply->status) != CT_OK) || 2071da177e4SLinus Torvalds (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) { 2081da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n"); 2091da177e4SLinus Torvalds status = -EINVAL; 2101da177e4SLinus Torvalds } 2111da177e4SLinus Torvalds } 2121da177e4SLinus Torvalds fib_complete(fibptr); 2131da177e4SLinus Torvalds /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ 2141da177e4SLinus Torvalds if (status >= 0) { 2151da177e4SLinus Torvalds if (commit == 1) { 2161da177e4SLinus Torvalds struct aac_commit_config * dinfo; 2171da177e4SLinus Torvalds fib_init(fibptr); 2181da177e4SLinus Torvalds dinfo = (struct aac_commit_config *) fib_data(fibptr); 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 2211da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds status = fib_send(ContainerCommand, 2241da177e4SLinus Torvalds fibptr, 2251da177e4SLinus Torvalds sizeof (struct aac_commit_config), 2261da177e4SLinus Torvalds FsaNormal, 2271da177e4SLinus Torvalds 1, 1, 2281da177e4SLinus Torvalds NULL, NULL); 2291da177e4SLinus Torvalds fib_complete(fibptr); 2301da177e4SLinus Torvalds } else if (commit == 0) { 2311da177e4SLinus Torvalds printk(KERN_WARNING 2321da177e4SLinus Torvalds "aac_get_config_status: Foreign device configurations are being ignored\n"); 2331da177e4SLinus Torvalds } 2341da177e4SLinus Torvalds } 2351da177e4SLinus Torvalds fib_free(fibptr); 2361da177e4SLinus Torvalds return status; 2371da177e4SLinus Torvalds } 2381da177e4SLinus Torvalds 2391da177e4SLinus Torvalds /** 2401da177e4SLinus Torvalds * aac_get_containers - list containers 2411da177e4SLinus Torvalds * @common: adapter to probe 2421da177e4SLinus Torvalds * 2431da177e4SLinus Torvalds * Make a list of all containers on this controller 2441da177e4SLinus Torvalds */ 2451da177e4SLinus Torvalds int aac_get_containers(struct aac_dev *dev) 2461da177e4SLinus Torvalds { 2471da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 2481da177e4SLinus Torvalds u32 index; 2491da177e4SLinus Torvalds int status = 0; 2501da177e4SLinus Torvalds struct fib * fibptr; 2511da177e4SLinus Torvalds unsigned instance; 2521da177e4SLinus Torvalds struct aac_get_container_count *dinfo; 2531da177e4SLinus Torvalds struct aac_get_container_count_resp *dresp; 2541da177e4SLinus Torvalds int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvalds instance = dev->scsi_host_ptr->unique_id; 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 2591da177e4SLinus Torvalds return -ENOMEM; 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds fib_init(fibptr); 2621da177e4SLinus Torvalds dinfo = (struct aac_get_container_count *) fib_data(fibptr); 2631da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 2641da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT); 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds status = fib_send(ContainerCommand, 2671da177e4SLinus Torvalds fibptr, 2681da177e4SLinus Torvalds sizeof (struct aac_get_container_count), 2691da177e4SLinus Torvalds FsaNormal, 2701da177e4SLinus Torvalds 1, 1, 2711da177e4SLinus Torvalds NULL, NULL); 2721da177e4SLinus Torvalds if (status >= 0) { 2731da177e4SLinus Torvalds dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); 2741da177e4SLinus Torvalds maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); 2751da177e4SLinus Torvalds fib_complete(fibptr); 2761da177e4SLinus Torvalds } 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) 2791da177e4SLinus Torvalds maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 2801da177e4SLinus Torvalds fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( 2811da177e4SLinus Torvalds sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); 2821da177e4SLinus Torvalds if (!fsa_dev_ptr) { 2831da177e4SLinus Torvalds fib_free(fibptr); 2841da177e4SLinus Torvalds return -ENOMEM; 2851da177e4SLinus Torvalds } 2861da177e4SLinus Torvalds memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds dev->fsa_dev = fsa_dev_ptr; 2891da177e4SLinus Torvalds dev->maximum_num_containers = maximum_num_containers; 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds for (index = 0; index < dev->maximum_num_containers; index++) { 2921da177e4SLinus Torvalds struct aac_query_mount *dinfo; 2931da177e4SLinus Torvalds struct aac_mount *dresp; 2941da177e4SLinus Torvalds 2951da177e4SLinus Torvalds fsa_dev_ptr[index].devname[0] = '\0'; 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds fib_init(fibptr); 2981da177e4SLinus Torvalds dinfo = (struct aac_query_mount *) fib_data(fibptr); 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 3011da177e4SLinus Torvalds dinfo->count = cpu_to_le32(index); 3021da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 3031da177e4SLinus Torvalds 3041da177e4SLinus Torvalds status = fib_send(ContainerCommand, 3051da177e4SLinus Torvalds fibptr, 3061da177e4SLinus Torvalds sizeof (struct aac_query_mount), 3071da177e4SLinus Torvalds FsaNormal, 3081da177e4SLinus Torvalds 1, 1, 3091da177e4SLinus Torvalds NULL, NULL); 3101da177e4SLinus Torvalds if (status < 0 ) { 3111da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); 3121da177e4SLinus Torvalds break; 3131da177e4SLinus Torvalds } 3141da177e4SLinus Torvalds dresp = (struct aac_mount *)fib_data(fibptr); 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds dprintk ((KERN_DEBUG 3171da177e4SLinus Torvalds "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n", 3181da177e4SLinus Torvalds (int)index, (int)le32_to_cpu(dresp->status), 3191da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].vol), 3201da177e4SLinus Torvalds (int)le32_to_cpu(dresp->mnt[0].state), 3211da177e4SLinus Torvalds (unsigned)le32_to_cpu(dresp->mnt[0].capacity))); 3221da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 3231da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 3241da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 3251da177e4SLinus Torvalds fsa_dev_ptr[index].valid = 1; 3261da177e4SLinus Torvalds fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); 3271da177e4SLinus Torvalds fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity); 3281da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 3291da177e4SLinus Torvalds fsa_dev_ptr[index].ro = 1; 3301da177e4SLinus Torvalds } 3311da177e4SLinus Torvalds fib_complete(fibptr); 3321da177e4SLinus Torvalds /* 3331da177e4SLinus Torvalds * If there are no more containers, then stop asking. 3341da177e4SLinus Torvalds */ 3351da177e4SLinus Torvalds if ((index + 1) >= le32_to_cpu(dresp->count)){ 3361da177e4SLinus Torvalds break; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds } 3391da177e4SLinus Torvalds fib_free(fibptr); 3401da177e4SLinus Torvalds return status; 3411da177e4SLinus Torvalds } 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds static void aac_io_done(struct scsi_cmnd * scsicmd) 3441da177e4SLinus Torvalds { 3451da177e4SLinus Torvalds unsigned long cpu_flags; 3461da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 3471da177e4SLinus Torvalds spin_lock_irqsave(host->host_lock, cpu_flags); 3481da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 3491da177e4SLinus Torvalds spin_unlock_irqrestore(host->host_lock, cpu_flags); 3501da177e4SLinus Torvalds } 3511da177e4SLinus Torvalds 3523b2946ccSMark Haverkamp static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) 3533b2946ccSMark Haverkamp { 3543b2946ccSMark Haverkamp void *buf; 3553b2946ccSMark Haverkamp unsigned int transfer_len; 3563b2946ccSMark Haverkamp struct scatterlist *sg = scsicmd->request_buffer; 3573b2946ccSMark Haverkamp 3583b2946ccSMark Haverkamp if (scsicmd->use_sg) { 3593b2946ccSMark Haverkamp buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; 3603b2946ccSMark Haverkamp transfer_len = min(sg->length, len + offset); 3613b2946ccSMark Haverkamp } else { 3623b2946ccSMark Haverkamp buf = scsicmd->request_buffer; 3633b2946ccSMark Haverkamp transfer_len = min(scsicmd->request_bufflen, len + offset); 3643b2946ccSMark Haverkamp } 3653b2946ccSMark Haverkamp 3663b2946ccSMark Haverkamp memcpy(buf + offset, data, transfer_len - offset); 3673b2946ccSMark Haverkamp 3683b2946ccSMark Haverkamp if (scsicmd->use_sg) 3693b2946ccSMark Haverkamp kunmap_atomic(buf - sg->offset, KM_IRQ0); 3703b2946ccSMark Haverkamp 3713b2946ccSMark Haverkamp } 3723b2946ccSMark Haverkamp 3731da177e4SLinus Torvalds static void get_container_name_callback(void *context, struct fib * fibptr) 3741da177e4SLinus Torvalds { 3751da177e4SLinus Torvalds struct aac_get_name_resp * get_name_reply; 3761da177e4SLinus Torvalds struct scsi_cmnd * scsicmd; 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 3791da177e4SLinus Torvalds 3801da177e4SLinus Torvalds dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); 3811da177e4SLinus Torvalds if (fibptr == NULL) 3821da177e4SLinus Torvalds BUG(); 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); 3851da177e4SLinus Torvalds /* Failure is irrelevant, using default value instead */ 3861da177e4SLinus Torvalds if ((le32_to_cpu(get_name_reply->status) == CT_OK) 3871da177e4SLinus Torvalds && (get_name_reply->data[0] != '\0')) { 3881da177e4SLinus Torvalds char *sp = get_name_reply->data; 3891da177e4SLinus Torvalds sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; 3901da177e4SLinus Torvalds while (*sp == ' ') 3911da177e4SLinus Torvalds ++sp; 3923b2946ccSMark Haverkamp if (*sp) { 3933b2946ccSMark Haverkamp char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; 3943b2946ccSMark Haverkamp int count = sizeof(d); 3953b2946ccSMark Haverkamp char *dp = d; 3963b2946ccSMark Haverkamp do { 3971da177e4SLinus Torvalds *dp++ = (*sp) ? *sp++ : ' '; 3981da177e4SLinus Torvalds } while (--count > 0); 3993b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, d, 4003b2946ccSMark Haverkamp offsetof(struct inquiry_data, inqd_pid), sizeof(d)); 4011da177e4SLinus Torvalds } 4023b2946ccSMark Haverkamp } 4033b2946ccSMark Haverkamp 4041da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds fib_complete(fibptr); 4071da177e4SLinus Torvalds fib_free(fibptr); 4081da177e4SLinus Torvalds aac_io_done(scsicmd); 4091da177e4SLinus Torvalds } 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds /** 4121da177e4SLinus Torvalds * aac_get_container_name - get container name, none blocking. 4131da177e4SLinus Torvalds */ 4141da177e4SLinus Torvalds static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) 4151da177e4SLinus Torvalds { 4161da177e4SLinus Torvalds int status; 4171da177e4SLinus Torvalds struct aac_get_name *dinfo; 4181da177e4SLinus Torvalds struct fib * cmd_fibcontext; 4191da177e4SLinus Torvalds struct aac_dev * dev; 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) 4241da177e4SLinus Torvalds return -ENOMEM; 4251da177e4SLinus Torvalds 4261da177e4SLinus Torvalds fib_init(cmd_fibcontext); 4271da177e4SLinus Torvalds dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 4301da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_READ_NAME); 4311da177e4SLinus Torvalds dinfo->cid = cpu_to_le32(cid); 4321da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4351da177e4SLinus Torvalds cmd_fibcontext, 4361da177e4SLinus Torvalds sizeof (struct aac_get_name), 4371da177e4SLinus Torvalds FsaNormal, 4381da177e4SLinus Torvalds 0, 1, 4391da177e4SLinus Torvalds (fib_callback) get_container_name_callback, 4401da177e4SLinus Torvalds (void *) scsicmd); 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds /* 4431da177e4SLinus Torvalds * Check that the command queued to the controller 4441da177e4SLinus Torvalds */ 4451da177e4SLinus Torvalds if (status == -EINPROGRESS) 4461da177e4SLinus Torvalds return 0; 4471da177e4SLinus Torvalds 4481da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status); 4491da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 4501da177e4SLinus Torvalds fib_free(cmd_fibcontext); 4511da177e4SLinus Torvalds return -1; 4521da177e4SLinus Torvalds } 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds /** 4551da177e4SLinus Torvalds * probe_container - query a logical volume 4561da177e4SLinus Torvalds * @dev: device to query 4571da177e4SLinus Torvalds * @cid: container identifier 4581da177e4SLinus Torvalds * 4591da177e4SLinus Torvalds * Queries the controller about the given volume. The volume information 4601da177e4SLinus Torvalds * is updated in the struct fsa_dev_info structure rather than returned. 4611da177e4SLinus Torvalds */ 4621da177e4SLinus Torvalds 4631da177e4SLinus Torvalds static int probe_container(struct aac_dev *dev, int cid) 4641da177e4SLinus Torvalds { 4651da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 4661da177e4SLinus Torvalds int status; 4671da177e4SLinus Torvalds struct aac_query_mount *dinfo; 4681da177e4SLinus Torvalds struct aac_mount *dresp; 4691da177e4SLinus Torvalds struct fib * fibptr; 4701da177e4SLinus Torvalds unsigned instance; 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 4731da177e4SLinus Torvalds instance = dev->scsi_host_ptr->unique_id; 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 4761da177e4SLinus Torvalds return -ENOMEM; 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds fib_init(fibptr); 4791da177e4SLinus Torvalds 4801da177e4SLinus Torvalds dinfo = (struct aac_query_mount *)fib_data(fibptr); 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_NameServe); 4831da177e4SLinus Torvalds dinfo->count = cpu_to_le32(cid); 4841da177e4SLinus Torvalds dinfo->type = cpu_to_le32(FT_FILESYS); 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds status = fib_send(ContainerCommand, 4871da177e4SLinus Torvalds fibptr, 4881da177e4SLinus Torvalds sizeof(struct aac_query_mount), 4891da177e4SLinus Torvalds FsaNormal, 4901da177e4SLinus Torvalds 1, 1, 4911da177e4SLinus Torvalds NULL, NULL); 4921da177e4SLinus Torvalds if (status < 0) { 4937c00ffa3SMark Haverkamp printk(KERN_WARNING "aacraid: probe_container query failed.\n"); 4941da177e4SLinus Torvalds goto error; 4951da177e4SLinus Torvalds } 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds dresp = (struct aac_mount *) fib_data(fibptr); 4981da177e4SLinus Torvalds 4991da177e4SLinus Torvalds if ((le32_to_cpu(dresp->status) == ST_OK) && 5001da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 5011da177e4SLinus Torvalds (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 5021da177e4SLinus Torvalds fsa_dev_ptr[cid].valid = 1; 5031da177e4SLinus Torvalds fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); 5041da177e4SLinus Torvalds fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity); 5051da177e4SLinus Torvalds if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) 5061da177e4SLinus Torvalds fsa_dev_ptr[cid].ro = 1; 5071da177e4SLinus Torvalds } 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds error: 5101da177e4SLinus Torvalds fib_complete(fibptr); 5111da177e4SLinus Torvalds fib_free(fibptr); 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds return status; 5141da177e4SLinus Torvalds } 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvalds /* Local Structure to set SCSI inquiry data strings */ 5171da177e4SLinus Torvalds struct scsi_inq { 5181da177e4SLinus Torvalds char vid[8]; /* Vendor ID */ 5191da177e4SLinus Torvalds char pid[16]; /* Product ID */ 5201da177e4SLinus Torvalds char prl[4]; /* Product Revision Level */ 5211da177e4SLinus Torvalds }; 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds /** 5241da177e4SLinus Torvalds * InqStrCopy - string merge 5251da177e4SLinus Torvalds * @a: string to copy from 5261da177e4SLinus Torvalds * @b: string to copy to 5271da177e4SLinus Torvalds * 5281da177e4SLinus Torvalds * Copy a String from one location to another 5291da177e4SLinus Torvalds * without copying \0 5301da177e4SLinus Torvalds */ 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds static void inqstrcpy(char *a, char *b) 5331da177e4SLinus Torvalds { 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds while(*a != (char)0) 5361da177e4SLinus Torvalds *b++ = *a++; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds static char *container_types[] = { 5401da177e4SLinus Torvalds "None", 5411da177e4SLinus Torvalds "Volume", 5421da177e4SLinus Torvalds "Mirror", 5431da177e4SLinus Torvalds "Stripe", 5441da177e4SLinus Torvalds "RAID5", 5451da177e4SLinus Torvalds "SSRW", 5461da177e4SLinus Torvalds "SSRO", 5471da177e4SLinus Torvalds "Morph", 5481da177e4SLinus Torvalds "Legacy", 5491da177e4SLinus Torvalds "RAID4", 5501da177e4SLinus Torvalds "RAID10", 5511da177e4SLinus Torvalds "RAID00", 5521da177e4SLinus Torvalds "V-MIRRORS", 5531da177e4SLinus Torvalds "PSEUDO R4", 5541da177e4SLinus Torvalds "RAID50", 55584971738SMark Haverkamp "RAID5D", 55684971738SMark Haverkamp "RAID5D0", 55784971738SMark Haverkamp "RAID1E", 55884971738SMark Haverkamp "RAID6", 55984971738SMark Haverkamp "RAID60", 5601da177e4SLinus Torvalds "Unknown" 5611da177e4SLinus Torvalds }; 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds /* Function: setinqstr 5661da177e4SLinus Torvalds * 5671da177e4SLinus Torvalds * Arguments: [1] pointer to void [1] int 5681da177e4SLinus Torvalds * 5691da177e4SLinus Torvalds * Purpose: Sets SCSI inquiry data strings for vendor, product 5701da177e4SLinus Torvalds * and revision level. Allows strings to be set in platform dependant 5711da177e4SLinus Torvalds * files instead of in OS dependant driver source. 5721da177e4SLinus Torvalds */ 5731da177e4SLinus Torvalds 574794d0601SMark Haverkamp static void setinqstr(struct aac_dev *dev, void *data, int tindex) 5751da177e4SLinus Torvalds { 5761da177e4SLinus Torvalds struct scsi_inq *str; 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ 579794d0601SMark Haverkamp memset(str, ' ', sizeof(*str)); 580794d0601SMark Haverkamp 581794d0601SMark Haverkamp if (dev->supplement_adapter_info.AdapterTypeText[0]) { 582794d0601SMark Haverkamp char * cp = dev->supplement_adapter_info.AdapterTypeText; 583794d0601SMark Haverkamp int c = sizeof(str->vid); 584794d0601SMark Haverkamp while (*cp && *cp != ' ' && --c) 585794d0601SMark Haverkamp ++cp; 586794d0601SMark Haverkamp c = *cp; 587794d0601SMark Haverkamp *cp = '\0'; 588794d0601SMark Haverkamp inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, 589794d0601SMark Haverkamp str->vid); 590794d0601SMark Haverkamp *cp = c; 591794d0601SMark Haverkamp while (*cp && *cp != ' ') 592794d0601SMark Haverkamp ++cp; 593794d0601SMark Haverkamp while (*cp == ' ') 594794d0601SMark Haverkamp ++cp; 595794d0601SMark Haverkamp /* last six chars reserved for vol type */ 596794d0601SMark Haverkamp c = 0; 597794d0601SMark Haverkamp if (strlen(cp) > sizeof(str->pid)) { 598794d0601SMark Haverkamp c = cp[sizeof(str->pid)]; 599794d0601SMark Haverkamp cp[sizeof(str->pid)] = '\0'; 600794d0601SMark Haverkamp } 601794d0601SMark Haverkamp inqstrcpy (cp, str->pid); 602794d0601SMark Haverkamp if (c) 603794d0601SMark Haverkamp cp[sizeof(str->pid)] = c; 604794d0601SMark Haverkamp } else { 605794d0601SMark Haverkamp struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype); 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid); 608794d0601SMark Haverkamp /* last six chars reserved for vol type */ 609794d0601SMark Haverkamp inqstrcpy (mp->model, str->pid); 610794d0601SMark Haverkamp } 6111da177e4SLinus Torvalds 6121da177e4SLinus Torvalds if (tindex < (sizeof(container_types)/sizeof(char *))){ 6131da177e4SLinus Torvalds char *findit = str->pid; 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */ 6161da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */ 6171da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0) 6181da177e4SLinus Torvalds *(findit -= 4) = ' '; 619794d0601SMark Haverkamp if (((findit - str->pid) + strlen(container_types[tindex])) 620794d0601SMark Haverkamp < (sizeof(str->pid) + sizeof(str->prl))) 6211da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1); 6221da177e4SLinus Torvalds } 6231da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl); 6241da177e4SLinus Torvalds } 6251da177e4SLinus Torvalds 6264833869eSAdrian Bunk static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, 6271da177e4SLinus Torvalds u8 a_sense_code, u8 incorrect_length, 6281da177e4SLinus Torvalds u8 bit_pointer, u16 field_pointer, 6291da177e4SLinus Torvalds u32 residue) 6301da177e4SLinus Torvalds { 6311da177e4SLinus Torvalds sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ 6321da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */ 6331da177e4SLinus Torvalds 6341da177e4SLinus Torvalds if (incorrect_length) { 6351da177e4SLinus Torvalds sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ 6361da177e4SLinus Torvalds sense_buf[3] = BYTE3(residue); 6371da177e4SLinus Torvalds sense_buf[4] = BYTE2(residue); 6381da177e4SLinus Torvalds sense_buf[5] = BYTE1(residue); 6391da177e4SLinus Torvalds sense_buf[6] = BYTE0(residue); 6401da177e4SLinus Torvalds } else 6411da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */ 6421da177e4SLinus Torvalds 6431da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) 6441da177e4SLinus Torvalds sense_buf[7] = 10; /* Additional sense length */ 6451da177e4SLinus Torvalds else 6461da177e4SLinus Torvalds sense_buf[7] = 6; /* Additional sense length */ 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */ 6491da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ 6501da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) { 6511da177e4SLinus Torvalds sense_buf[15] = 0; 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_PARAM_FIELD) 6541da177e4SLinus Torvalds sense_buf[15] = 0x80;/* Std sense key specific field */ 6551da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */ 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD) 6581da177e4SLinus Torvalds sense_buf[15] = 0xc0;/* Std sense key specific field */ 6591da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */ 6601da177e4SLinus Torvalds sense_buf[15] |= bit_pointer; 6611da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */ 6621da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */ 6631da177e4SLinus Torvalds } 6641da177e4SLinus Torvalds } 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev) 6671da177e4SLinus Torvalds { 6681da177e4SLinus Torvalds struct fib* fibptr; 6691da177e4SLinus Torvalds int rcode; 6701da177e4SLinus Torvalds u32 tmp; 6717c00ffa3SMark Haverkamp struct aac_adapter_info *info; 67284971738SMark Haverkamp struct aac_bus_info *command; 67384971738SMark Haverkamp struct aac_bus_info_response *bus_info; 6747c00ffa3SMark Haverkamp 6751da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 6761da177e4SLinus Torvalds return -ENOMEM; 6771da177e4SLinus Torvalds 6781da177e4SLinus Torvalds fib_init(fibptr); 6791da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr); 6807c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6811da177e4SLinus Torvalds 6821da177e4SLinus Torvalds rcode = fib_send(RequestAdapterInfo, 6831da177e4SLinus Torvalds fibptr, 6847c00ffa3SMark Haverkamp sizeof(*info), 6851da177e4SLinus Torvalds FsaNormal, 6861da177e4SLinus Torvalds 1, 1, 6871da177e4SLinus Torvalds NULL, 6881da177e4SLinus Torvalds NULL); 6891da177e4SLinus Torvalds 6907c00ffa3SMark Haverkamp if (rcode < 0) { 6917c00ffa3SMark Haverkamp fib_complete(fibptr); 6927c00ffa3SMark Haverkamp fib_free(fibptr); 6937c00ffa3SMark Haverkamp return rcode; 6947c00ffa3SMark Haverkamp } 6957c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info)); 6967c00ffa3SMark Haverkamp 6977c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { 6987c00ffa3SMark Haverkamp struct aac_supplement_adapter_info * info; 6997c00ffa3SMark Haverkamp 7007c00ffa3SMark Haverkamp fib_init(fibptr); 7017c00ffa3SMark Haverkamp 7027c00ffa3SMark Haverkamp info = (struct aac_supplement_adapter_info *) fib_data(fibptr); 7037c00ffa3SMark Haverkamp 7047c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 7057c00ffa3SMark Haverkamp 7067c00ffa3SMark Haverkamp rcode = fib_send(RequestSupplementAdapterInfo, 7077c00ffa3SMark Haverkamp fibptr, 7087c00ffa3SMark Haverkamp sizeof(*info), 7097c00ffa3SMark Haverkamp FsaNormal, 7107c00ffa3SMark Haverkamp 1, 1, 7117c00ffa3SMark Haverkamp NULL, 7127c00ffa3SMark Haverkamp NULL); 7137c00ffa3SMark Haverkamp 7147c00ffa3SMark Haverkamp if (rcode >= 0) 7157c00ffa3SMark Haverkamp memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); 7167c00ffa3SMark Haverkamp } 7171da177e4SLinus Torvalds 71884971738SMark Haverkamp 71984971738SMark Haverkamp /* 72084971738SMark Haverkamp * GetBusInfo 72184971738SMark Haverkamp */ 72284971738SMark Haverkamp 72384971738SMark Haverkamp fib_init(fibptr); 72484971738SMark Haverkamp 72584971738SMark Haverkamp bus_info = (struct aac_bus_info_response *) fib_data(fibptr); 72684971738SMark Haverkamp 72784971738SMark Haverkamp memset(bus_info, 0, sizeof(*bus_info)); 72884971738SMark Haverkamp 72984971738SMark Haverkamp command = (struct aac_bus_info *)bus_info; 73084971738SMark Haverkamp 73184971738SMark Haverkamp command->Command = cpu_to_le32(VM_Ioctl); 73284971738SMark Haverkamp command->ObjType = cpu_to_le32(FT_DRIVE); 73384971738SMark Haverkamp command->MethodId = cpu_to_le32(1); 73484971738SMark Haverkamp command->CtlCmd = cpu_to_le32(GetBusInfo); 73584971738SMark Haverkamp 73684971738SMark Haverkamp rcode = fib_send(ContainerCommand, 73784971738SMark Haverkamp fibptr, 73884971738SMark Haverkamp sizeof (*bus_info), 73984971738SMark Haverkamp FsaNormal, 74084971738SMark Haverkamp 1, 1, 74184971738SMark Haverkamp NULL, NULL); 74284971738SMark Haverkamp 74384971738SMark Haverkamp if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { 74484971738SMark Haverkamp dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); 74584971738SMark Haverkamp dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); 74684971738SMark Haverkamp } 74784971738SMark Haverkamp 7481da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev); 7497c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 7501da177e4SLinus Torvalds dev->name, 7511da177e4SLinus Torvalds dev->id, 7521da177e4SLinus Torvalds tmp>>24, 7531da177e4SLinus Torvalds (tmp>>16)&0xff, 7541da177e4SLinus Torvalds tmp&0xff, 7557c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild), 7567c00ffa3SMark Haverkamp (int)sizeof(dev->supplement_adapter_info.BuildDate), 7577c00ffa3SMark Haverkamp dev->supplement_adapter_info.BuildDate); 7581da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev); 7591da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 7601da177e4SLinus Torvalds dev->name, dev->id, 7611da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7621da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild)); 7631da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev); 7641da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 7651da177e4SLinus Torvalds dev->name, dev->id, 7661da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7671da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild)); 7681da177e4SLinus Torvalds if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 7691da177e4SLinus Torvalds printk(KERN_INFO "%s%d: serial %x\n", 7701da177e4SLinus Torvalds dev->name, dev->id, 7711da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.serial[0])); 7721da177e4SLinus Torvalds 7731da177e4SLinus Torvalds dev->nondasd_support = 0; 7741da177e4SLinus Torvalds dev->raid_scsi_mode = 0; 7751da177e4SLinus Torvalds if(dev->adapter_info.options & AAC_OPT_NONDASD){ 7761da177e4SLinus Torvalds dev->nondasd_support = 1; 7771da177e4SLinus Torvalds } 7781da177e4SLinus Torvalds 7791da177e4SLinus Torvalds /* 7801da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently 7811da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will 7821da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag 7831da177e4SLinus Torvalds * additional changes changes will have to be made to support 7841da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be 7851da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of 7861da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the 7871da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the 7881da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only. 7891da177e4SLinus Torvalds */ 7901da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && 7911da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { 7921da177e4SLinus Torvalds dev->nondasd_support = 1; 7931da177e4SLinus Torvalds dev->raid_scsi_mode = 1; 7941da177e4SLinus Torvalds } 7951da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0) 7961da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", 7971da177e4SLinus Torvalds dev->name, dev->id); 7981da177e4SLinus Torvalds 7991da177e4SLinus Torvalds if(nondasd != -1) { 8001da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0); 8011da177e4SLinus Torvalds } 8021da177e4SLinus Torvalds if(dev->nondasd_support != 0){ 8031da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 8041da177e4SLinus Torvalds } 8051da177e4SLinus Torvalds 8061da177e4SLinus Torvalds dev->dac_support = 0; 8071da177e4SLinus Torvalds if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ 8081da177e4SLinus Torvalds printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); 8091da177e4SLinus Torvalds dev->dac_support = 1; 8101da177e4SLinus Torvalds } 8111da177e4SLinus Torvalds 8121da177e4SLinus Torvalds if(dacmode != -1) { 8131da177e4SLinus Torvalds dev->dac_support = (dacmode!=0); 8141da177e4SLinus Torvalds } 8151da177e4SLinus Torvalds if(dev->dac_support != 0) { 81671e0f32fSJames Bottomley if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && 81771e0f32fSJames Bottomley !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { 8181da177e4SLinus Torvalds printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 8191da177e4SLinus Torvalds dev->name, dev->id); 82071e0f32fSJames Bottomley } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && 82171e0f32fSJames Bottomley !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { 8221da177e4SLinus Torvalds printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 8231da177e4SLinus Torvalds dev->name, dev->id); 8241da177e4SLinus Torvalds dev->dac_support = 0; 8251da177e4SLinus Torvalds } else { 8261da177e4SLinus Torvalds printk(KERN_WARNING"%s%d: No suitable DMA available.\n", 8271da177e4SLinus Torvalds dev->name, dev->id); 8281da177e4SLinus Torvalds rcode = -ENOMEM; 8291da177e4SLinus Torvalds } 8301da177e4SLinus Torvalds } 8317c00ffa3SMark Haverkamp /* 8327c00ffa3SMark Haverkamp * 57 scatter gather elements 8337c00ffa3SMark Haverkamp */ 8340e68c003SMark Haverkamp if (!(dev->raw_io_interface)) { 8357c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - 8367c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 8377c00ffa3SMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgmap)) / 8387c00ffa3SMark Haverkamp sizeof(struct sgmap); 8397c00ffa3SMark Haverkamp if (dev->dac_support) { 8407c00ffa3SMark Haverkamp /* 8417c00ffa3SMark Haverkamp * 38 scatter gather elements 8427c00ffa3SMark Haverkamp */ 8437c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = 8447c00ffa3SMark Haverkamp (dev->max_fib_size - 8457c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 8467c00ffa3SMark Haverkamp sizeof(struct aac_write64) + 8477c00ffa3SMark Haverkamp sizeof(struct sgmap64)) / 8487c00ffa3SMark Haverkamp sizeof(struct sgmap64); 8497c00ffa3SMark Haverkamp } 8507c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; 8517c00ffa3SMark Haverkamp if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { 8527c00ffa3SMark Haverkamp /* 8537c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when 8547c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB. 8557c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what 8567c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is 8577c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB 8587c00ffa3SMark Haverkamp * element. 8597c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB 8607c00ffa3SMark Haverkamp */ 8617c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = 8627c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112; 8637c00ffa3SMark Haverkamp } 8640e68c003SMark Haverkamp } 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvalds fib_complete(fibptr); 8671da177e4SLinus Torvalds fib_free(fibptr); 8681da177e4SLinus Torvalds 8691da177e4SLinus Torvalds return rcode; 8701da177e4SLinus Torvalds } 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvalds 873e53cb35aSMark Haverkamp static void io_callback(void *context, struct fib * fibptr) 8741da177e4SLinus Torvalds { 8751da177e4SLinus Torvalds struct aac_dev *dev; 8761da177e4SLinus Torvalds struct aac_read_reply *readreply; 8771da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 8781da177e4SLinus Torvalds u32 cid; 8791da177e4SLinus Torvalds 8801da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 8811da177e4SLinus Torvalds 8821da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8831da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 8841da177e4SLinus Torvalds 885e53cb35aSMark Haverkamp dprintk((KERN_DEBUG "io_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3], jiffies)); 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvalds if (fibptr == NULL) 8881da177e4SLinus Torvalds BUG(); 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvalds if(scsicmd->use_sg) 8911da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8921da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8931da177e4SLinus Torvalds scsicmd->use_sg, 8941da177e4SLinus Torvalds scsicmd->sc_data_direction); 8951da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8961da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8971da177e4SLinus Torvalds scsicmd->request_bufflen, 8981da177e4SLinus Torvalds scsicmd->sc_data_direction); 8991da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr); 9001da177e4SLinus Torvalds if (le32_to_cpu(readreply->status) == ST_OK) 9011da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 9021da177e4SLinus Torvalds else { 9037c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO 904e53cb35aSMark Haverkamp printk(KERN_WARNING "io_callback: io failed, status = %d\n", 9051da177e4SLinus Torvalds le32_to_cpu(readreply->status)); 9067c00ffa3SMark Haverkamp #endif 9071da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 9081da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 9091da177e4SLinus Torvalds HARDWARE_ERROR, 9101da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 9111da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 9121da177e4SLinus Torvalds 0, 0); 9131da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 9141da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 9151da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 9161da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 9171da177e4SLinus Torvalds } 9181da177e4SLinus Torvalds fib_complete(fibptr); 9191da177e4SLinus Torvalds fib_free(fibptr); 9201da177e4SLinus Torvalds 9211da177e4SLinus Torvalds aac_io_done(scsicmd); 9221da177e4SLinus Torvalds } 9231da177e4SLinus Torvalds 9244833869eSAdrian Bunk static int aac_read(struct scsi_cmnd * scsicmd, int cid) 9251da177e4SLinus Torvalds { 9261da177e4SLinus Torvalds u32 lba; 9271da177e4SLinus Torvalds u32 count; 9281da177e4SLinus Torvalds int status; 9291da177e4SLinus Torvalds 9301da177e4SLinus Torvalds u16 fibsize; 9311da177e4SLinus Torvalds struct aac_dev *dev; 9321da177e4SLinus Torvalds struct fib * cmd_fibcontext; 9331da177e4SLinus Torvalds 9341da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 9351da177e4SLinus Torvalds /* 9361da177e4SLinus Torvalds * Get block address and transfer length 9371da177e4SLinus Torvalds */ 9381da177e4SLinus Torvalds if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ 9391da177e4SLinus Torvalds { 9401da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); 9411da177e4SLinus Torvalds 9421da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 9431da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 9441da177e4SLinus Torvalds 9451da177e4SLinus Torvalds if (count == 0) 9461da177e4SLinus Torvalds count = 256; 9471da177e4SLinus Torvalds } else { 9481da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); 9491da177e4SLinus Torvalds 9501da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 9511da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 9521da177e4SLinus Torvalds } 9537c00ffa3SMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", 9547c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies)); 9551da177e4SLinus Torvalds /* 9561da177e4SLinus Torvalds * Alocate and initialize a Fib 9571da177e4SLinus Torvalds */ 9581da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 9591da177e4SLinus Torvalds return -1; 9601da177e4SLinus Torvalds } 9611da177e4SLinus Torvalds 9621da177e4SLinus Torvalds fib_init(cmd_fibcontext); 9631da177e4SLinus Torvalds 9640e68c003SMark Haverkamp if (dev->raw_io_interface) { 9650e68c003SMark Haverkamp struct aac_raw_io *readcmd; 9660e68c003SMark Haverkamp readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); 9670e68c003SMark Haverkamp readcmd->block[0] = cpu_to_le32(lba); 9680e68c003SMark Haverkamp readcmd->block[1] = 0; 9690e68c003SMark Haverkamp readcmd->count = cpu_to_le32(count<<9); 9700e68c003SMark Haverkamp readcmd->cid = cpu_to_le16(cid); 9710e68c003SMark Haverkamp readcmd->flags = cpu_to_le16(1); 9720e68c003SMark Haverkamp readcmd->bpTotal = 0; 9730e68c003SMark Haverkamp readcmd->bpComplete = 0; 9740e68c003SMark Haverkamp 9750e68c003SMark Haverkamp aac_build_sgraw(scsicmd, &readcmd->sg); 9760e68c003SMark Haverkamp fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw)); 9770e68c003SMark Haverkamp if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) 9780e68c003SMark Haverkamp BUG(); 9790e68c003SMark Haverkamp /* 9800e68c003SMark Haverkamp * Now send the Fib to the adapter 9810e68c003SMark Haverkamp */ 9820e68c003SMark Haverkamp status = fib_send(ContainerRawIo, 9830e68c003SMark Haverkamp cmd_fibcontext, 9840e68c003SMark Haverkamp fibsize, 9850e68c003SMark Haverkamp FsaNormal, 9860e68c003SMark Haverkamp 0, 1, 9870e68c003SMark Haverkamp (fib_callback) io_callback, 9880e68c003SMark Haverkamp (void *) scsicmd); 9890e68c003SMark Haverkamp } else if (dev->dac_support == 1) { 9901da177e4SLinus Torvalds struct aac_read64 *readcmd; 9911da177e4SLinus Torvalds readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); 9921da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtHostRead64); 9931da177e4SLinus Torvalds readcmd->cid = cpu_to_le16(cid); 9941da177e4SLinus Torvalds readcmd->sector_count = cpu_to_le16(count); 9951da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9961da177e4SLinus Torvalds readcmd->pad = 0; 9971da177e4SLinus Torvalds readcmd->flags = 0; 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvalds aac_build_sg64(scsicmd, &readcmd->sg); 10001da177e4SLinus Torvalds fibsize = sizeof(struct aac_read64) + 10011da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 10021da177e4SLinus Torvalds sizeof (struct sgentry64)); 100377d71d22SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10041da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10051da177e4SLinus Torvalds /* 10061da177e4SLinus Torvalds * Now send the Fib to the adapter 10071da177e4SLinus Torvalds */ 10081da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 10091da177e4SLinus Torvalds cmd_fibcontext, 10101da177e4SLinus Torvalds fibsize, 10111da177e4SLinus Torvalds FsaNormal, 10121da177e4SLinus Torvalds 0, 1, 1013e53cb35aSMark Haverkamp (fib_callback) io_callback, 10141da177e4SLinus Torvalds (void *) scsicmd); 10151da177e4SLinus Torvalds } else { 10161da177e4SLinus Torvalds struct aac_read *readcmd; 10171da177e4SLinus Torvalds readcmd = (struct aac_read *) fib_data(cmd_fibcontext); 10181da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtBlockRead); 10191da177e4SLinus Torvalds readcmd->cid = cpu_to_le32(cid); 10201da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 10211da177e4SLinus Torvalds readcmd->count = cpu_to_le32(count * 512); 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvalds aac_build_sg(scsicmd, &readcmd->sg); 10241da177e4SLinus Torvalds fibsize = sizeof(struct aac_read) + 10251da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 10261da177e4SLinus Torvalds sizeof (struct sgentry)); 10277c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10281da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10291da177e4SLinus Torvalds /* 10301da177e4SLinus Torvalds * Now send the Fib to the adapter 10311da177e4SLinus Torvalds */ 10321da177e4SLinus Torvalds status = fib_send(ContainerCommand, 10331da177e4SLinus Torvalds cmd_fibcontext, 10341da177e4SLinus Torvalds fibsize, 10351da177e4SLinus Torvalds FsaNormal, 10361da177e4SLinus Torvalds 0, 1, 1037e53cb35aSMark Haverkamp (fib_callback) io_callback, 10381da177e4SLinus Torvalds (void *) scsicmd); 10391da177e4SLinus Torvalds } 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvalds /* 10441da177e4SLinus Torvalds * Check that the command queued to the controller 10451da177e4SLinus Torvalds */ 10461da177e4SLinus Torvalds if (status == -EINPROGRESS) 10471da177e4SLinus Torvalds return 0; 10481da177e4SLinus Torvalds 10491da177e4SLinus Torvalds printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); 10501da177e4SLinus Torvalds /* 10511da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 10521da177e4SLinus Torvalds */ 10531da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 10541da177e4SLinus Torvalds aac_io_done(scsicmd); 10551da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 10561da177e4SLinus Torvalds fib_free(cmd_fibcontext); 10571da177e4SLinus Torvalds return 0; 10581da177e4SLinus Torvalds } 10591da177e4SLinus Torvalds 10601da177e4SLinus Torvalds static int aac_write(struct scsi_cmnd * scsicmd, int cid) 10611da177e4SLinus Torvalds { 10621da177e4SLinus Torvalds u32 lba; 10631da177e4SLinus Torvalds u32 count; 10641da177e4SLinus Torvalds int status; 10651da177e4SLinus Torvalds u16 fibsize; 10661da177e4SLinus Torvalds struct aac_dev *dev; 10671da177e4SLinus Torvalds struct fib * cmd_fibcontext; 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 10701da177e4SLinus Torvalds /* 10711da177e4SLinus Torvalds * Get block address and transfer length 10721da177e4SLinus Torvalds */ 10731da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ 10741da177e4SLinus Torvalds { 10751da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 10761da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 10771da177e4SLinus Torvalds if (count == 0) 10781da177e4SLinus Torvalds count = 256; 10791da177e4SLinus Torvalds } else { 10801da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); 10811da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 10821da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 10831da177e4SLinus Torvalds } 10841da177e4SLinus Torvalds dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", 10851da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies)); 10861da177e4SLinus Torvalds /* 10871da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 10881da177e4SLinus Torvalds */ 10891da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 10901da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16; 10911da177e4SLinus Torvalds aac_io_done(scsicmd); 10921da177e4SLinus Torvalds return 0; 10931da177e4SLinus Torvalds } 10941da177e4SLinus Torvalds fib_init(cmd_fibcontext); 10951da177e4SLinus Torvalds 10960e68c003SMark Haverkamp if (dev->raw_io_interface) { 10970e68c003SMark Haverkamp struct aac_raw_io *writecmd; 10980e68c003SMark Haverkamp writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); 10990e68c003SMark Haverkamp writecmd->block[0] = cpu_to_le32(lba); 11000e68c003SMark Haverkamp writecmd->block[1] = 0; 11010e68c003SMark Haverkamp writecmd->count = cpu_to_le32(count<<9); 11020e68c003SMark Haverkamp writecmd->cid = cpu_to_le16(cid); 11030e68c003SMark Haverkamp writecmd->flags = 0; 11040e68c003SMark Haverkamp writecmd->bpTotal = 0; 11050e68c003SMark Haverkamp writecmd->bpComplete = 0; 11060e68c003SMark Haverkamp 11070e68c003SMark Haverkamp aac_build_sgraw(scsicmd, &writecmd->sg); 11080e68c003SMark Haverkamp fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw)); 11090e68c003SMark Haverkamp if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) 11100e68c003SMark Haverkamp BUG(); 11110e68c003SMark Haverkamp /* 11120e68c003SMark Haverkamp * Now send the Fib to the adapter 11130e68c003SMark Haverkamp */ 11140e68c003SMark Haverkamp status = fib_send(ContainerRawIo, 11150e68c003SMark Haverkamp cmd_fibcontext, 11160e68c003SMark Haverkamp fibsize, 11170e68c003SMark Haverkamp FsaNormal, 11180e68c003SMark Haverkamp 0, 1, 11190e68c003SMark Haverkamp (fib_callback) io_callback, 11200e68c003SMark Haverkamp (void *) scsicmd); 11210e68c003SMark Haverkamp } else if (dev->dac_support == 1) { 11221da177e4SLinus Torvalds struct aac_write64 *writecmd; 11231da177e4SLinus Torvalds writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); 11241da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtHostWrite64); 11251da177e4SLinus Torvalds writecmd->cid = cpu_to_le16(cid); 11261da177e4SLinus Torvalds writecmd->sector_count = cpu_to_le16(count); 11271da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 11281da177e4SLinus Torvalds writecmd->pad = 0; 11291da177e4SLinus Torvalds writecmd->flags = 0; 11301da177e4SLinus Torvalds 11311da177e4SLinus Torvalds aac_build_sg64(scsicmd, &writecmd->sg); 11321da177e4SLinus Torvalds fibsize = sizeof(struct aac_write64) + 11331da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 11341da177e4SLinus Torvalds sizeof (struct sgentry64)); 11357c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 11361da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 11371da177e4SLinus Torvalds /* 11381da177e4SLinus Torvalds * Now send the Fib to the adapter 11391da177e4SLinus Torvalds */ 11401da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 11411da177e4SLinus Torvalds cmd_fibcontext, 11421da177e4SLinus Torvalds fibsize, 11431da177e4SLinus Torvalds FsaNormal, 11441da177e4SLinus Torvalds 0, 1, 1145e53cb35aSMark Haverkamp (fib_callback) io_callback, 11461da177e4SLinus Torvalds (void *) scsicmd); 11471da177e4SLinus Torvalds } else { 11481da177e4SLinus Torvalds struct aac_write *writecmd; 11491da177e4SLinus Torvalds writecmd = (struct aac_write *) fib_data(cmd_fibcontext); 11501da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtBlockWrite); 11511da177e4SLinus Torvalds writecmd->cid = cpu_to_le32(cid); 11521da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 11531da177e4SLinus Torvalds writecmd->count = cpu_to_le32(count * 512); 11541da177e4SLinus Torvalds writecmd->sg.count = cpu_to_le32(1); 11551da177e4SLinus Torvalds /* ->stable is not used - it did mean which type of write */ 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvalds aac_build_sg(scsicmd, &writecmd->sg); 11581da177e4SLinus Torvalds fibsize = sizeof(struct aac_write) + 11591da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 11601da177e4SLinus Torvalds sizeof (struct sgentry)); 11617c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 11621da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 11631da177e4SLinus Torvalds /* 11641da177e4SLinus Torvalds * Now send the Fib to the adapter 11651da177e4SLinus Torvalds */ 11661da177e4SLinus Torvalds status = fib_send(ContainerCommand, 11671da177e4SLinus Torvalds cmd_fibcontext, 11681da177e4SLinus Torvalds fibsize, 11691da177e4SLinus Torvalds FsaNormal, 11701da177e4SLinus Torvalds 0, 1, 1171e53cb35aSMark Haverkamp (fib_callback) io_callback, 11721da177e4SLinus Torvalds (void *) scsicmd); 11731da177e4SLinus Torvalds } 11741da177e4SLinus Torvalds 11751da177e4SLinus Torvalds /* 11761da177e4SLinus Torvalds * Check that the command queued to the controller 11771da177e4SLinus Torvalds */ 11781da177e4SLinus Torvalds if (status == -EINPROGRESS) 11791da177e4SLinus Torvalds { 11801da177e4SLinus Torvalds return 0; 11811da177e4SLinus Torvalds } 11821da177e4SLinus Torvalds 11831da177e4SLinus Torvalds printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); 11841da177e4SLinus Torvalds /* 11851da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 11861da177e4SLinus Torvalds */ 11871da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 11881da177e4SLinus Torvalds aac_io_done(scsicmd); 11891da177e4SLinus Torvalds 11901da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 11911da177e4SLinus Torvalds fib_free(cmd_fibcontext); 11921da177e4SLinus Torvalds return 0; 11931da177e4SLinus Torvalds } 11941da177e4SLinus Torvalds 11951da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr) 11961da177e4SLinus Torvalds { 11971da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply; 11981da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11991da177e4SLinus Torvalds 12001da177e4SLinus Torvalds cmd = context; 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 12031da177e4SLinus Torvalds smp_processor_id(), jiffies)); 12041da177e4SLinus Torvalds BUG_ON(fibptr == NULL); 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds synchronizereply = fib_data(fibptr); 12081da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK) 12091da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 12101da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 12111da177e4SLinus Torvalds else { 12121da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device; 12131da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 12141da177e4SLinus Torvalds u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); 12151da177e4SLinus Torvalds printk(KERN_WARNING 12161da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n", 12171da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status)); 12181da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 12191da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 12201da177e4SLinus Torvalds set_sense((u8 *)&dev->fsa_dev[cid].sense_data, 12211da177e4SLinus Torvalds HARDWARE_ERROR, 12221da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 12231da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 12241da177e4SLinus Torvalds 0, 0); 12251da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 12261da177e4SLinus Torvalds min(sizeof(dev->fsa_dev[cid].sense_data), 12271da177e4SLinus Torvalds sizeof(cmd->sense_buffer))); 12281da177e4SLinus Torvalds } 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds fib_complete(fibptr); 12311da177e4SLinus Torvalds fib_free(fibptr); 12321da177e4SLinus Torvalds aac_io_done(cmd); 12331da177e4SLinus Torvalds } 12341da177e4SLinus Torvalds 12351da177e4SLinus Torvalds static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) 12361da177e4SLinus Torvalds { 12371da177e4SLinus Torvalds int status; 12381da177e4SLinus Torvalds struct fib *cmd_fibcontext; 12391da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd; 12401da177e4SLinus Torvalds struct scsi_cmnd *cmd; 12411da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device; 12421da177e4SLinus Torvalds int active = 0; 12431da177e4SLinus Torvalds unsigned long flags; 12441da177e4SLinus Torvalds 12451da177e4SLinus Torvalds /* 12461da177e4SLinus Torvalds * Wait for all commands to complete to this specific 12471da177e4SLinus Torvalds * target (block). 12481da177e4SLinus Torvalds */ 12491da177e4SLinus Torvalds spin_lock_irqsave(&sdev->list_lock, flags); 12501da177e4SLinus Torvalds list_for_each_entry(cmd, &sdev->cmd_list, list) 12511da177e4SLinus Torvalds if (cmd != scsicmd && cmd->serial_number != 0) { 12521da177e4SLinus Torvalds ++active; 12531da177e4SLinus Torvalds break; 12541da177e4SLinus Torvalds } 12551da177e4SLinus Torvalds 12561da177e4SLinus Torvalds spin_unlock_irqrestore(&sdev->list_lock, flags); 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvalds /* 12591da177e4SLinus Torvalds * Yield the processor (requeue for later) 12601da177e4SLinus Torvalds */ 12611da177e4SLinus Torvalds if (active) 12621da177e4SLinus Torvalds return SCSI_MLQUEUE_DEVICE_BUSY; 12631da177e4SLinus Torvalds 12641da177e4SLinus Torvalds /* 12657c00ffa3SMark Haverkamp * Allocate and initialize a Fib 12661da177e4SLinus Torvalds */ 12671da177e4SLinus Torvalds if (!(cmd_fibcontext = 12681da177e4SLinus Torvalds fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) 12691da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12701da177e4SLinus Torvalds 12711da177e4SLinus Torvalds fib_init(cmd_fibcontext); 12721da177e4SLinus Torvalds 12731da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext); 12741da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); 12751da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); 12761da177e4SLinus Torvalds synchronizecmd->cid = cpu_to_le32(cid); 12771da177e4SLinus Torvalds synchronizecmd->count = 12781da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); 12791da177e4SLinus Torvalds 12801da177e4SLinus Torvalds /* 12811da177e4SLinus Torvalds * Now send the Fib to the adapter 12821da177e4SLinus Torvalds */ 12831da177e4SLinus Torvalds status = fib_send(ContainerCommand, 12841da177e4SLinus Torvalds cmd_fibcontext, 12851da177e4SLinus Torvalds sizeof(struct aac_synchronize), 12861da177e4SLinus Torvalds FsaNormal, 12871da177e4SLinus Torvalds 0, 1, 12881da177e4SLinus Torvalds (fib_callback)synchronize_callback, 12891da177e4SLinus Torvalds (void *)scsicmd); 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvalds /* 12921da177e4SLinus Torvalds * Check that the command queued to the controller 12931da177e4SLinus Torvalds */ 12941da177e4SLinus Torvalds if (status == -EINPROGRESS) 12951da177e4SLinus Torvalds return 0; 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvalds printk(KERN_WARNING 12981da177e4SLinus Torvalds "aac_synchronize: fib_send failed with status: %d.\n", status); 12991da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 13001da177e4SLinus Torvalds fib_free(cmd_fibcontext); 13011da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 13021da177e4SLinus Torvalds } 13031da177e4SLinus Torvalds 13041da177e4SLinus Torvalds /** 13051da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command 13061da177e4SLinus Torvalds * @scsicmd: SCSI command block 13071da177e4SLinus Torvalds * 13081da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the 13091da177e4SLinus Torvalds * aacraid firmware. 13101da177e4SLinus Torvalds */ 13111da177e4SLinus Torvalds 13121da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd) 13131da177e4SLinus Torvalds { 13141da177e4SLinus Torvalds u32 cid = 0; 13151da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 13161da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata; 13171da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; 13181da177e4SLinus Torvalds int ret; 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvalds /* 13211da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail 13221da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller 13231da177e4SLinus Torvalds * itself. 13241da177e4SLinus Torvalds */ 13251da177e4SLinus Torvalds if (scsicmd->device->id != host->this_id) { 13261da177e4SLinus Torvalds if ((scsicmd->device->channel == 0) ){ 13271da177e4SLinus Torvalds if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ 13281da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13291da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13301da177e4SLinus Torvalds return 0; 13311da177e4SLinus Torvalds } 13321da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 13331da177e4SLinus Torvalds 13341da177e4SLinus Torvalds /* 13351da177e4SLinus Torvalds * If the target container doesn't exist, it may have 13361da177e4SLinus Torvalds * been newly created 13371da177e4SLinus Torvalds */ 13381da177e4SLinus Torvalds if ((fsa_dev_ptr[cid].valid & 1) == 0) { 13391da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13401da177e4SLinus Torvalds case INQUIRY: 13411da177e4SLinus Torvalds case READ_CAPACITY: 13421da177e4SLinus Torvalds case TEST_UNIT_READY: 13431da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 13441da177e4SLinus Torvalds probe_container(dev, cid); 13451da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 13461da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 13471da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13481da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13491da177e4SLinus Torvalds return 0; 13501da177e4SLinus Torvalds } 13511da177e4SLinus Torvalds default: 13521da177e4SLinus Torvalds break; 13531da177e4SLinus Torvalds } 13541da177e4SLinus Torvalds } 13551da177e4SLinus Torvalds /* 13561da177e4SLinus Torvalds * If the target container still doesn't exist, 13571da177e4SLinus Torvalds * return failure 13581da177e4SLinus Torvalds */ 13591da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 13601da177e4SLinus Torvalds scsicmd->result = DID_BAD_TARGET << 16; 13611da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13621da177e4SLinus Torvalds return 0; 13631da177e4SLinus Torvalds } 13641da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */ 13651da177e4SLinus Torvalds if(dev->nondasd_support == 1){ 13661da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd); 13671da177e4SLinus Torvalds } else { 13681da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13691da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13701da177e4SLinus Torvalds return 0; 13711da177e4SLinus Torvalds } 13721da177e4SLinus Torvalds } 13731da177e4SLinus Torvalds } 13741da177e4SLinus Torvalds /* 13751da177e4SLinus Torvalds * else Command for the controller itself 13761da177e4SLinus Torvalds */ 13771da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ 13781da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY)) 13791da177e4SLinus Torvalds { 13801da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); 13811da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 13821da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 13831da177e4SLinus Torvalds ILLEGAL_REQUEST, 13841da177e4SLinus Torvalds SENCODE_INVALID_COMMAND, 13851da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 13861da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 13871da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 13881da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 13891da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 13901da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13911da177e4SLinus Torvalds return 0; 13921da177e4SLinus Torvalds } 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvalds 13951da177e4SLinus Torvalds /* Handle commands here that don't really require going out to the adapter */ 13961da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13971da177e4SLinus Torvalds case INQUIRY: 13981da177e4SLinus Torvalds { 13993b2946ccSMark Haverkamp struct inquiry_data inq_data; 14001da177e4SLinus Torvalds 14011da177e4SLinus Torvalds dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); 14023b2946ccSMark Haverkamp memset(&inq_data, 0, sizeof (struct inquiry_data)); 14031da177e4SLinus Torvalds 14043b2946ccSMark Haverkamp inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ 14053b2946ccSMark Haverkamp inq_data.inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ 14063b2946ccSMark Haverkamp inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */ 14073b2946ccSMark Haverkamp inq_data.inqd_len = 31; 14081da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 14093b2946ccSMark Haverkamp inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ 14101da177e4SLinus Torvalds /* 14111da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level 14121da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c 14131da177e4SLinus Torvalds */ 14141da177e4SLinus Torvalds if (scsicmd->device->id == host->this_id) { 1415794d0601SMark Haverkamp setinqstr(dev, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *))); 14163b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ 14173b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); 14181da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14191da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14201da177e4SLinus Torvalds return 0; 14211da177e4SLinus Torvalds } 1422794d0601SMark Haverkamp setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); 14233b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ 14243b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); 14251da177e4SLinus Torvalds return aac_get_container_name(scsicmd, cid); 14261da177e4SLinus Torvalds } 14271da177e4SLinus Torvalds case READ_CAPACITY: 14281da177e4SLinus Torvalds { 14291da177e4SLinus Torvalds u32 capacity; 14303b2946ccSMark Haverkamp char cp[8]; 14311da177e4SLinus Torvalds 14321da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n")); 14331da177e4SLinus Torvalds if (fsa_dev_ptr[cid].size <= 0x100000000LL) 14341da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1; 14351da177e4SLinus Torvalds else 14361da177e4SLinus Torvalds capacity = (u32)-1; 14373b2946ccSMark Haverkamp 14381da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff; 14391da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff; 14401da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff; 14411da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff; 14421da177e4SLinus Torvalds cp[4] = 0; 14431da177e4SLinus Torvalds cp[5] = 0; 14441da177e4SLinus Torvalds cp[6] = 2; 14451da177e4SLinus Torvalds cp[7] = 0; 14463b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); 14471da177e4SLinus Torvalds 14481da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14491da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvalds return 0; 14521da177e4SLinus Torvalds } 14531da177e4SLinus Torvalds 14541da177e4SLinus Torvalds case MODE_SENSE: 14551da177e4SLinus Torvalds { 14563b2946ccSMark Haverkamp char mode_buf[4]; 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n")); 14591da177e4SLinus Torvalds mode_buf[0] = 3; /* Mode data length */ 14601da177e4SLinus Torvalds mode_buf[1] = 0; /* Medium type - default */ 14611da177e4SLinus Torvalds mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14621da177e4SLinus Torvalds mode_buf[3] = 0; /* Block descriptor length */ 14631da177e4SLinus Torvalds 14643b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); 14651da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14661da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvalds return 0; 14691da177e4SLinus Torvalds } 14701da177e4SLinus Torvalds case MODE_SENSE_10: 14711da177e4SLinus Torvalds { 14723b2946ccSMark Haverkamp char mode_buf[8]; 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); 14751da177e4SLinus Torvalds mode_buf[0] = 0; /* Mode data length (MSB) */ 14761da177e4SLinus Torvalds mode_buf[1] = 6; /* Mode data length (LSB) */ 14771da177e4SLinus Torvalds mode_buf[2] = 0; /* Medium type - default */ 14781da177e4SLinus Torvalds mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14791da177e4SLinus Torvalds mode_buf[4] = 0; /* reserved */ 14801da177e4SLinus Torvalds mode_buf[5] = 0; /* reserved */ 14811da177e4SLinus Torvalds mode_buf[6] = 0; /* Block descriptor length (MSB) */ 14821da177e4SLinus Torvalds mode_buf[7] = 0; /* Block descriptor length (LSB) */ 14833b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); 14841da177e4SLinus Torvalds 14851da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14861da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14871da177e4SLinus Torvalds 14881da177e4SLinus Torvalds return 0; 14891da177e4SLinus Torvalds } 14901da177e4SLinus Torvalds case REQUEST_SENSE: 14911da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); 14921da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); 14931da177e4SLinus Torvalds memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); 14941da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14951da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14961da177e4SLinus Torvalds return 0; 14971da177e4SLinus Torvalds 14981da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL: 14991da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n")); 15001da177e4SLinus Torvalds if (scsicmd->cmnd[4]) 15011da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1; 15021da177e4SLinus Torvalds else 15031da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0; 15041da177e4SLinus Torvalds 15051da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 15061da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 15071da177e4SLinus Torvalds return 0; 15081da177e4SLinus Torvalds /* 15091da177e4SLinus Torvalds * These commands are all No-Ops 15101da177e4SLinus Torvalds */ 15111da177e4SLinus Torvalds case TEST_UNIT_READY: 15121da177e4SLinus Torvalds case RESERVE: 15131da177e4SLinus Torvalds case RELEASE: 15141da177e4SLinus Torvalds case REZERO_UNIT: 15151da177e4SLinus Torvalds case REASSIGN_BLOCKS: 15161da177e4SLinus Torvalds case SEEK_10: 15171da177e4SLinus Torvalds case START_STOP: 15181da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 15191da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 15201da177e4SLinus Torvalds return 0; 15211da177e4SLinus Torvalds } 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) 15241da177e4SLinus Torvalds { 15251da177e4SLinus Torvalds case READ_6: 15261da177e4SLinus Torvalds case READ_10: 15271da177e4SLinus Torvalds /* 15281da177e4SLinus Torvalds * Hack to keep track of ordinal number of the device that 15291da177e4SLinus Torvalds * corresponds to a container. Needed to convert 15301da177e4SLinus Torvalds * containers to /dev/sd device names 15311da177e4SLinus Torvalds */ 15321da177e4SLinus Torvalds 15331da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 15341da177e4SLinus Torvalds if (scsicmd->request->rq_disk) 15351da177e4SLinus Torvalds memcpy(fsa_dev_ptr[cid].devname, 15361da177e4SLinus Torvalds scsicmd->request->rq_disk->disk_name, 15371da177e4SLinus Torvalds 8); 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds ret = aac_read(scsicmd, cid); 15401da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 15411da177e4SLinus Torvalds return ret; 15421da177e4SLinus Torvalds 15431da177e4SLinus Torvalds case WRITE_6: 15441da177e4SLinus Torvalds case WRITE_10: 15451da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 15461da177e4SLinus Torvalds ret = aac_write(scsicmd, cid); 15471da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 15481da177e4SLinus Torvalds return ret; 15491da177e4SLinus Torvalds 15501da177e4SLinus Torvalds case SYNCHRONIZE_CACHE: 15511da177e4SLinus Torvalds /* Issue FIB to tell Firmware to flush it's cache */ 15521da177e4SLinus Torvalds return aac_synchronize(scsicmd, cid); 15531da177e4SLinus Torvalds 15541da177e4SLinus Torvalds default: 15551da177e4SLinus Torvalds /* 15561da177e4SLinus Torvalds * Unhandled commands 15571da177e4SLinus Torvalds */ 15587c00ffa3SMark Haverkamp dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); 15591da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 15601da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 15611da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 15621da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 15631da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 15641da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 15651da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 15661da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 15671da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 15681da177e4SLinus Torvalds return 0; 15691da177e4SLinus Torvalds } 15701da177e4SLinus Torvalds } 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg) 15731da177e4SLinus Torvalds { 15741da177e4SLinus Torvalds struct aac_query_disk qd; 15751da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15761da177e4SLinus Torvalds 15771da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15781da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) 15791da177e4SLinus Torvalds return -EFAULT; 15801da177e4SLinus Torvalds if (qd.cnum == -1) 15811da177e4SLinus Torvalds qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); 15821da177e4SLinus Torvalds else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) 15831da177e4SLinus Torvalds { 15841da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) 15851da177e4SLinus Torvalds return -EINVAL; 15861da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no; 15871da177e4SLinus Torvalds qd.bus = 0; 15881da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum); 15891da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum); 15901da177e4SLinus Torvalds } 15911da177e4SLinus Torvalds else return -EINVAL; 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvalds qd.valid = fsa_dev_ptr[qd.cnum].valid; 15941da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked; 15951da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted; 15961da177e4SLinus Torvalds 15971da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') 15981da177e4SLinus Torvalds qd.unmapped = 1; 15991da177e4SLinus Torvalds else 16001da177e4SLinus Torvalds qd.unmapped = 0; 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvalds strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, 16031da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); 16041da177e4SLinus Torvalds 16051da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) 16061da177e4SLinus Torvalds return -EFAULT; 16071da177e4SLinus Torvalds return 0; 16081da177e4SLinus Torvalds } 16091da177e4SLinus Torvalds 16101da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg) 16111da177e4SLinus Torvalds { 16121da177e4SLinus Torvalds struct aac_delete_disk dd; 16131da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 16141da177e4SLinus Torvalds 16151da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 16161da177e4SLinus Torvalds 16171da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 16181da177e4SLinus Torvalds return -EFAULT; 16191da177e4SLinus Torvalds 16201da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 16211da177e4SLinus Torvalds return -EINVAL; 16221da177e4SLinus Torvalds /* 16231da177e4SLinus Torvalds * Mark this container as being deleted. 16241da177e4SLinus Torvalds */ 16251da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1; 16261da177e4SLinus Torvalds /* 16271da177e4SLinus Torvalds * Mark the container as no longer valid 16281da177e4SLinus Torvalds */ 16291da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 16301da177e4SLinus Torvalds return 0; 16311da177e4SLinus Torvalds } 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg) 16341da177e4SLinus Torvalds { 16351da177e4SLinus Torvalds struct aac_delete_disk dd; 16361da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 16411da177e4SLinus Torvalds return -EFAULT; 16421da177e4SLinus Torvalds 16431da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 16441da177e4SLinus Torvalds return -EINVAL; 16451da177e4SLinus Torvalds /* 16461da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API. 16471da177e4SLinus Torvalds */ 16481da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked) 16491da177e4SLinus Torvalds return -EBUSY; 16501da177e4SLinus Torvalds else { 16511da177e4SLinus Torvalds /* 16521da177e4SLinus Torvalds * Mark the container as no longer being valid. 16531da177e4SLinus Torvalds */ 16541da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 16551da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0'; 16561da177e4SLinus Torvalds return 0; 16571da177e4SLinus Torvalds } 16581da177e4SLinus Torvalds } 16591da177e4SLinus Torvalds 16601da177e4SLinus Torvalds int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) 16611da177e4SLinus Torvalds { 16621da177e4SLinus Torvalds switch (cmd) { 16631da177e4SLinus Torvalds case FSACTL_QUERY_DISK: 16641da177e4SLinus Torvalds return query_disk(dev, arg); 16651da177e4SLinus Torvalds case FSACTL_DELETE_DISK: 16661da177e4SLinus Torvalds return delete_disk(dev, arg); 16671da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK: 16681da177e4SLinus Torvalds return force_delete_disk(dev, arg); 16691da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS: 16701da177e4SLinus Torvalds return aac_get_containers(dev); 16711da177e4SLinus Torvalds default: 16721da177e4SLinus Torvalds return -ENOTTY; 16731da177e4SLinus Torvalds } 16741da177e4SLinus Torvalds } 16751da177e4SLinus Torvalds 16761da177e4SLinus Torvalds /** 16771da177e4SLinus Torvalds * 16781da177e4SLinus Torvalds * aac_srb_callback 16791da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd 16801da177e4SLinus Torvalds * @fibptr: pointer to the fib 16811da177e4SLinus Torvalds * 16821da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device 16831da177e4SLinus Torvalds * 16841da177e4SLinus Torvalds */ 16851da177e4SLinus Torvalds 16861da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr) 16871da177e4SLinus Torvalds { 16881da177e4SLinus Torvalds struct aac_dev *dev; 16891da177e4SLinus Torvalds struct aac_srb_reply *srbreply; 16901da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 16931da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 16941da177e4SLinus Torvalds 16951da177e4SLinus Torvalds if (fibptr == NULL) 16961da177e4SLinus Torvalds BUG(); 16971da177e4SLinus Torvalds 16981da177e4SLinus Torvalds srbreply = (struct aac_srb_reply *) fib_data(fibptr); 16991da177e4SLinus Torvalds 17001da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ 17011da177e4SLinus Torvalds /* 17021da177e4SLinus Torvalds * Calculate resid for sg 17031da177e4SLinus Torvalds */ 17041da177e4SLinus Torvalds 17051da177e4SLinus Torvalds scsicmd->resid = scsicmd->request_bufflen - 17061da177e4SLinus Torvalds le32_to_cpu(srbreply->data_xfer_length); 17071da177e4SLinus Torvalds 17081da177e4SLinus Torvalds if(scsicmd->use_sg) 17091da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 17101da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 17111da177e4SLinus Torvalds scsicmd->use_sg, 17121da177e4SLinus Torvalds scsicmd->sc_data_direction); 17131da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 17141da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, 17151da177e4SLinus Torvalds scsicmd->sc_data_direction); 17161da177e4SLinus Torvalds 17171da177e4SLinus Torvalds /* 17181da177e4SLinus Torvalds * First check the fib status 17191da177e4SLinus Torvalds */ 17201da177e4SLinus Torvalds 17211da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK){ 17221da177e4SLinus Torvalds int len; 17231da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); 17241da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 17251da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 17261da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 17271da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 17281da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 17291da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 17301da177e4SLinus Torvalds } 17311da177e4SLinus Torvalds 17321da177e4SLinus Torvalds /* 17331da177e4SLinus Torvalds * Next check the srb status 17341da177e4SLinus Torvalds */ 17351da177e4SLinus Torvalds switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ 17361da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY: 17371da177e4SLinus Torvalds case SRB_STATUS_PENDING: 17381da177e4SLinus Torvalds case SRB_STATUS_SUCCESS: 17391da177e4SLinus Torvalds if(scsicmd->cmnd[0] == INQUIRY ){ 17401da177e4SLinus Torvalds u8 b; 17411da177e4SLinus Torvalds u8 b1; 17421da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 17431da177e4SLinus Torvalds * are the raw container drives or stand alone drives. If they have 17441da177e4SLinus Torvalds * the removable bit set then we should expose them though. 17451da177e4SLinus Torvalds */ 17461da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x1f; 17471da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 17481da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 17491da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 17501da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17511da177e4SLinus Torvalds /* 17521da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17531da177e4SLinus Torvalds * the channel is 2 17541da177e4SLinus Torvalds */ 17551da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17561da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17571da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17581da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17591da177e4SLinus Torvalds } else { 17601da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17611da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17621da177e4SLinus Torvalds } 17631da177e4SLinus Torvalds } else { 17641da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17651da177e4SLinus Torvalds } 17661da177e4SLinus Torvalds break; 17671da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN: 17681da177e4SLinus Torvalds switch(scsicmd->cmnd[0]){ 17691da177e4SLinus Torvalds case READ_6: 17701da177e4SLinus Torvalds case WRITE_6: 17711da177e4SLinus Torvalds case READ_10: 17721da177e4SLinus Torvalds case WRITE_10: 17731da177e4SLinus Torvalds case READ_12: 17741da177e4SLinus Torvalds case WRITE_12: 17751da177e4SLinus Torvalds if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { 17761da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); 17771da177e4SLinus Torvalds } else { 17781da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); 17791da177e4SLinus Torvalds } 17801da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 17811da177e4SLinus Torvalds break; 17821da177e4SLinus Torvalds case INQUIRY: { 17831da177e4SLinus Torvalds u8 b; 17841da177e4SLinus Torvalds u8 b1; 17851da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 17861da177e4SLinus Torvalds * are the raw container drives or stand alone drives 17871da177e4SLinus Torvalds */ 17881da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x0f; 17891da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 17901da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 17911da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 17921da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17931da177e4SLinus Torvalds /* 17941da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17951da177e4SLinus Torvalds * the channel is 2 17961da177e4SLinus Torvalds */ 17971da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17981da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17991da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 18001da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 18011da177e4SLinus Torvalds } else { 18021da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 18031da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 18041da177e4SLinus Torvalds } 18051da177e4SLinus Torvalds break; 18061da177e4SLinus Torvalds } 18071da177e4SLinus Torvalds default: 18081da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 18091da177e4SLinus Torvalds break; 18101da177e4SLinus Torvalds } 18111da177e4SLinus Torvalds break; 18121da177e4SLinus Torvalds case SRB_STATUS_ABORTED: 18131da177e4SLinus Torvalds scsicmd->result = DID_ABORT << 16 | ABORT << 8; 18141da177e4SLinus Torvalds break; 18151da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED: 18161da177e4SLinus Torvalds // Not sure about this one - but assuming the hba was trying to abort for some reason 18171da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | ABORT << 8; 18181da177e4SLinus Torvalds break; 18191da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR: 18201da177e4SLinus Torvalds scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; 18211da177e4SLinus Torvalds break; 18221da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE: 18231da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID: 18241da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID: 18251da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN: 18261da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT: 18271da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 18281da177e4SLinus Torvalds break; 18291da177e4SLinus Torvalds 18301da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT: 18311da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT: 18321da177e4SLinus Torvalds scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; 18331da177e4SLinus Torvalds break; 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvalds case SRB_STATUS_BUSY: 18361da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 18371da177e4SLinus Torvalds break; 18381da177e4SLinus Torvalds 18391da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET: 18401da177e4SLinus Torvalds scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; 18411da177e4SLinus Torvalds break; 18421da177e4SLinus Torvalds 18431da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED: 18441da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; 18451da177e4SLinus Torvalds break; 18461da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED: 18471da177e4SLinus Torvalds case SRB_STATUS_ERROR: 18481da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST: 18491da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED: 18501da177e4SLinus Torvalds case SRB_STATUS_NO_HBA: 18511da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE: 18521da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE: 18531da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: 18541da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY: 18551da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION: 18561da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED: 18571da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE: 18581da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT: 18591da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL: 18601da177e4SLinus Torvalds default: 18611da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18621da177e4SLinus Torvalds printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", 18631da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F, 18641da177e4SLinus Torvalds aac_get_status_string( 18651da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F), 18661da177e4SLinus Torvalds scsicmd->cmnd[0], 18671da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status)); 18681da177e4SLinus Torvalds #endif 18691da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 18701da177e4SLinus Torvalds break; 18711da177e4SLinus Torvalds } 18721da177e4SLinus Torvalds if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition 18731da177e4SLinus Torvalds int len; 18741da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION; 18751da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 18761da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 18771da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 18781da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 18791da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18801da177e4SLinus Torvalds dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", 18811da177e4SLinus Torvalds le32_to_cpu(srbreply->status), len)); 18821da177e4SLinus Torvalds #endif 18831da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 18841da177e4SLinus Torvalds 18851da177e4SLinus Torvalds } 18861da177e4SLinus Torvalds /* 18871da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit) 18881da177e4SLinus Torvalds */ 18891da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status); 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds fib_complete(fibptr); 18921da177e4SLinus Torvalds fib_free(fibptr); 18931da177e4SLinus Torvalds aac_io_done(scsicmd); 18941da177e4SLinus Torvalds } 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds /** 18971da177e4SLinus Torvalds * 18981da177e4SLinus Torvalds * aac_send_scb_fib 18991da177e4SLinus Torvalds * @scsicmd: the scsi command block 19001da177e4SLinus Torvalds * 19011da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the 19021da177e4SLinus Torvalds * scsicmd passed in. 19031da177e4SLinus Torvalds */ 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) 19061da177e4SLinus Torvalds { 19071da177e4SLinus Torvalds struct fib* cmd_fibcontext; 19081da177e4SLinus Torvalds struct aac_dev* dev; 19091da177e4SLinus Torvalds int status; 19101da177e4SLinus Torvalds struct aac_srb *srbcmd; 19111da177e4SLinus Torvalds u16 fibsize; 19121da177e4SLinus Torvalds u32 flag; 19131da177e4SLinus Torvalds u32 timeout; 19141da177e4SLinus Torvalds 191584971738SMark Haverkamp dev = (struct aac_dev *)scsicmd->device->host->hostdata; 191684971738SMark Haverkamp if (scsicmd->device->id >= dev->maximum_num_physicals || 191784971738SMark Haverkamp scsicmd->device->lun > 7) { 19181da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 19191da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 19201da177e4SLinus Torvalds return 0; 19211da177e4SLinus Torvalds } 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 19241da177e4SLinus Torvalds switch(scsicmd->sc_data_direction){ 19251da177e4SLinus Torvalds case DMA_TO_DEVICE: 19261da177e4SLinus Torvalds flag = SRB_DataOut; 19271da177e4SLinus Torvalds break; 19281da177e4SLinus Torvalds case DMA_BIDIRECTIONAL: 19291da177e4SLinus Torvalds flag = SRB_DataIn | SRB_DataOut; 19301da177e4SLinus Torvalds break; 19311da177e4SLinus Torvalds case DMA_FROM_DEVICE: 19321da177e4SLinus Torvalds flag = SRB_DataIn; 19331da177e4SLinus Torvalds break; 19341da177e4SLinus Torvalds case DMA_NONE: 19351da177e4SLinus Torvalds default: /* shuts up some versions of gcc */ 19361da177e4SLinus Torvalds flag = SRB_NoDataXfer; 19371da177e4SLinus Torvalds break; 19381da177e4SLinus Torvalds } 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvalds 19411da177e4SLinus Torvalds /* 19421da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 19431da177e4SLinus Torvalds */ 19441da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 19451da177e4SLinus Torvalds return -1; 19461da177e4SLinus Torvalds } 19471da177e4SLinus Torvalds fib_init(cmd_fibcontext); 19481da177e4SLinus Torvalds 19491da177e4SLinus Torvalds srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); 19501da177e4SLinus Torvalds srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); 19511da177e4SLinus Torvalds srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); 19521da177e4SLinus Torvalds srbcmd->id = cpu_to_le32(scsicmd->device->id); 19531da177e4SLinus Torvalds srbcmd->lun = cpu_to_le32(scsicmd->device->lun); 19541da177e4SLinus Torvalds srbcmd->flags = cpu_to_le32(flag); 19555262d085SJames Bottomley timeout = scsicmd->timeout_per_command/HZ; 19561da177e4SLinus Torvalds if(timeout == 0){ 19571da177e4SLinus Torvalds timeout = 1; 19581da177e4SLinus Torvalds } 19591da177e4SLinus Torvalds srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds 19601da177e4SLinus Torvalds srbcmd->retry_limit = 0; /* Obsolete parameter */ 19611da177e4SLinus Torvalds srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvalds if( dev->dac_support == 1 ) { 19641da177e4SLinus Torvalds aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); 19651da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19661da177e4SLinus Torvalds 19671da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19681da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19691da177e4SLinus Torvalds /* 19701da177e4SLinus Torvalds * Build Scatter/Gather list 19711da177e4SLinus Torvalds */ 19721da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + 19731da177e4SLinus Torvalds ((le32_to_cpu(srbcmd->sg.count) & 0xff) * 19741da177e4SLinus Torvalds sizeof (struct sgentry64)); 19757c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19761da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvalds /* 19791da177e4SLinus Torvalds * Now send the Fib to the adapter 19801da177e4SLinus Torvalds */ 19811da177e4SLinus Torvalds status = fib_send(ScsiPortCommand64, cmd_fibcontext, 19821da177e4SLinus Torvalds fibsize, FsaNormal, 0, 1, 19831da177e4SLinus Torvalds (fib_callback) aac_srb_callback, 19841da177e4SLinus Torvalds (void *) scsicmd); 19851da177e4SLinus Torvalds } else { 19861da177e4SLinus Torvalds aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); 19871da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19881da177e4SLinus Torvalds 19891da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19901da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19911da177e4SLinus Torvalds /* 19921da177e4SLinus Torvalds * Build Scatter/Gather list 19931da177e4SLinus Torvalds */ 19941da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) + 19951da177e4SLinus Torvalds (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 19961da177e4SLinus Torvalds sizeof (struct sgentry)); 19977c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19981da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19991da177e4SLinus Torvalds 20001da177e4SLinus Torvalds /* 20011da177e4SLinus Torvalds * Now send the Fib to the adapter 20021da177e4SLinus Torvalds */ 20031da177e4SLinus Torvalds status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, 20041da177e4SLinus Torvalds (fib_callback) aac_srb_callback, (void *) scsicmd); 20051da177e4SLinus Torvalds } 20061da177e4SLinus Torvalds /* 20071da177e4SLinus Torvalds * Check that the command queued to the controller 20081da177e4SLinus Torvalds */ 20091da177e4SLinus Torvalds if (status == -EINPROGRESS){ 20101da177e4SLinus Torvalds return 0; 20111da177e4SLinus Torvalds } 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); 20141da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 20151da177e4SLinus Torvalds fib_free(cmd_fibcontext); 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvalds return -1; 20181da177e4SLinus Torvalds } 20191da177e4SLinus Torvalds 20201da177e4SLinus Torvalds static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) 20211da177e4SLinus Torvalds { 20221da177e4SLinus Torvalds struct aac_dev *dev; 20231da177e4SLinus Torvalds unsigned long byte_count = 0; 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; 20291da177e4SLinus Torvalds psg->sg[0].count = 0; 20301da177e4SLinus Torvalds if (scsicmd->use_sg) { 20311da177e4SLinus Torvalds struct scatterlist *sg; 20321da177e4SLinus Torvalds int i; 20331da177e4SLinus Torvalds int sg_count; 20341da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 20351da177e4SLinus Torvalds 20361da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20371da177e4SLinus Torvalds scsicmd->sc_data_direction); 20381da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvalds byte_count = 0; 20411da177e4SLinus Torvalds 20421da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 20431da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); 20441da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 20451da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 20461da177e4SLinus Torvalds sg++; 20471da177e4SLinus Torvalds } 20481da177e4SLinus Torvalds /* hba wants the size to be exact */ 20491da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 205056b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 205156b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 205256b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 20531da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20541da177e4SLinus Torvalds } 20551da177e4SLinus Torvalds /* Check for command underflow */ 20561da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 20571da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20581da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20591da177e4SLinus Torvalds } 20601da177e4SLinus Torvalds } 20611da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 20621da177e4SLinus Torvalds dma_addr_t addr; 20631da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20641da177e4SLinus Torvalds scsicmd->request_buffer, 20651da177e4SLinus Torvalds scsicmd->request_bufflen, 20661da177e4SLinus Torvalds scsicmd->sc_data_direction); 20671da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 20681da177e4SLinus Torvalds psg->sg[0].addr = cpu_to_le32(addr); 20691da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 20701da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 20711da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20721da177e4SLinus Torvalds } 20731da177e4SLinus Torvalds return byte_count; 20741da177e4SLinus Torvalds } 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvalds static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) 20781da177e4SLinus Torvalds { 20791da177e4SLinus Torvalds struct aac_dev *dev; 20801da177e4SLinus Torvalds unsigned long byte_count = 0; 208156b58712SMark Haverkamp u64 addr; 20821da177e4SLinus Torvalds 20831da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 20841da177e4SLinus Torvalds // Get rid of old data 20851da177e4SLinus Torvalds psg->count = 0; 20861da177e4SLinus Torvalds psg->sg[0].addr[0] = 0; 20871da177e4SLinus Torvalds psg->sg[0].addr[1] = 0; 20881da177e4SLinus Torvalds psg->sg[0].count = 0; 20891da177e4SLinus Torvalds if (scsicmd->use_sg) { 20901da177e4SLinus Torvalds struct scatterlist *sg; 20911da177e4SLinus Torvalds int i; 20921da177e4SLinus Torvalds int sg_count; 20931da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 20941da177e4SLinus Torvalds 20951da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20961da177e4SLinus Torvalds scsicmd->sc_data_direction); 20971da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20981da177e4SLinus Torvalds 20991da177e4SLinus Torvalds byte_count = 0; 21001da177e4SLinus Torvalds 21011da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 210256b58712SMark Haverkamp addr = sg_dma_address(sg); 210356b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); 210456b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32); 21051da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 21061da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 21071da177e4SLinus Torvalds sg++; 21081da177e4SLinus Torvalds } 21091da177e4SLinus Torvalds /* hba wants the size to be exact */ 21101da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 211156b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 211256b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 211356b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 21141da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 21151da177e4SLinus Torvalds } 21161da177e4SLinus Torvalds /* Check for command underflow */ 21171da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 21181da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 21191da177e4SLinus Torvalds byte_count, scsicmd->underflow); 21201da177e4SLinus Torvalds } 21211da177e4SLinus Torvalds } 21221da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 212356b58712SMark Haverkamp u64 addr; 21241da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 21251da177e4SLinus Torvalds scsicmd->request_buffer, 21261da177e4SLinus Torvalds scsicmd->request_bufflen, 21271da177e4SLinus Torvalds scsicmd->sc_data_direction); 21281da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 212956b58712SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); 213056b58712SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); 21311da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 21321da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 21331da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 21341da177e4SLinus Torvalds } 21351da177e4SLinus Torvalds return byte_count; 21361da177e4SLinus Torvalds } 21371da177e4SLinus Torvalds 21380e68c003SMark Haverkamp static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg) 21390e68c003SMark Haverkamp { 21400e68c003SMark Haverkamp struct Scsi_Host *host = scsicmd->device->host; 21410e68c003SMark Haverkamp struct aac_dev *dev = (struct aac_dev *)host->hostdata; 21420e68c003SMark Haverkamp unsigned long byte_count = 0; 21430e68c003SMark Haverkamp 21440e68c003SMark Haverkamp // Get rid of old data 21450e68c003SMark Haverkamp psg->count = 0; 21460e68c003SMark Haverkamp psg->sg[0].next = 0; 21470e68c003SMark Haverkamp psg->sg[0].prev = 0; 21480e68c003SMark Haverkamp psg->sg[0].addr[0] = 0; 21490e68c003SMark Haverkamp psg->sg[0].addr[1] = 0; 21500e68c003SMark Haverkamp psg->sg[0].count = 0; 21510e68c003SMark Haverkamp psg->sg[0].flags = 0; 21520e68c003SMark Haverkamp if (scsicmd->use_sg) { 21530e68c003SMark Haverkamp struct scatterlist *sg; 21540e68c003SMark Haverkamp int i; 21550e68c003SMark Haverkamp int sg_count; 21560e68c003SMark Haverkamp sg = (struct scatterlist *) scsicmd->request_buffer; 21570e68c003SMark Haverkamp 21580e68c003SMark Haverkamp sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 21590e68c003SMark Haverkamp scsicmd->sc_data_direction); 21600e68c003SMark Haverkamp 21610e68c003SMark Haverkamp for (i = 0; i < sg_count; i++) { 21620e68c003SMark Haverkamp int count = sg_dma_len(sg); 21630e68c003SMark Haverkamp u64 addr = sg_dma_address(sg); 21640e68c003SMark Haverkamp psg->sg[i].next = 0; 21650e68c003SMark Haverkamp psg->sg[i].prev = 0; 21660e68c003SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); 21670e68c003SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); 21680e68c003SMark Haverkamp psg->sg[i].count = cpu_to_le32(count); 21690e68c003SMark Haverkamp psg->sg[i].flags = 0; 21700e68c003SMark Haverkamp byte_count += count; 21710e68c003SMark Haverkamp sg++; 21720e68c003SMark Haverkamp } 21730e68c003SMark Haverkamp psg->count = cpu_to_le32(sg_count); 21740e68c003SMark Haverkamp /* hba wants the size to be exact */ 21750e68c003SMark Haverkamp if(byte_count > scsicmd->request_bufflen){ 21760e68c003SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 21770e68c003SMark Haverkamp (byte_count - scsicmd->request_bufflen); 21780e68c003SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 21790e68c003SMark Haverkamp byte_count = scsicmd->request_bufflen; 21800e68c003SMark Haverkamp } 21810e68c003SMark Haverkamp /* Check for command underflow */ 21820e68c003SMark Haverkamp if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 21830e68c003SMark Haverkamp printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 21840e68c003SMark Haverkamp byte_count, scsicmd->underflow); 21850e68c003SMark Haverkamp } 21860e68c003SMark Haverkamp } 21870e68c003SMark Haverkamp else if(scsicmd->request_bufflen) { 21880e68c003SMark Haverkamp int count; 21890e68c003SMark Haverkamp u64 addr; 21900e68c003SMark Haverkamp scsicmd->SCp.dma_handle = pci_map_single(dev->pdev, 21910e68c003SMark Haverkamp scsicmd->request_buffer, 21920e68c003SMark Haverkamp scsicmd->request_bufflen, 21930e68c003SMark Haverkamp scsicmd->sc_data_direction); 21940e68c003SMark Haverkamp addr = scsicmd->SCp.dma_handle; 21950e68c003SMark Haverkamp count = scsicmd->request_bufflen; 21960e68c003SMark Haverkamp psg->count = cpu_to_le32(1); 21970e68c003SMark Haverkamp psg->sg[0].next = 0; 21980e68c003SMark Haverkamp psg->sg[0].prev = 0; 21990e68c003SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32)); 22000e68c003SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); 22010e68c003SMark Haverkamp psg->sg[0].count = cpu_to_le32(count); 22020e68c003SMark Haverkamp psg->sg[0].flags = 0; 22030e68c003SMark Haverkamp byte_count = scsicmd->request_bufflen; 22040e68c003SMark Haverkamp } 22050e68c003SMark Haverkamp return byte_count; 22060e68c003SMark Haverkamp } 22070e68c003SMark Haverkamp 22081da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 22091da177e4SLinus Torvalds 22101da177e4SLinus Torvalds struct aac_srb_status_info { 22111da177e4SLinus Torvalds u32 status; 22121da177e4SLinus Torvalds char *str; 22131da177e4SLinus Torvalds }; 22141da177e4SLinus Torvalds 22151da177e4SLinus Torvalds 22161da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = { 22171da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"}, 22181da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"}, 22191da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"}, 22201da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, 22211da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"}, 22221da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"}, 22231da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, 22241da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, 22251da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"}, 22261da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"}, 22271da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, 22281da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, 22291da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, 22301da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"}, 22311da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"}, 22321da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, 22331da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"}, 22341da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, 22351da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, 22361da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, 22371da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, 22381da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, 22391da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, 22401da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, 22411da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, 22421da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, 22431da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, 22441da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"}, 22451da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"}, 22461da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"}, 22471da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, 22481da177e4SLinus Torvalds { 0xff, "Unknown Error"} 22491da177e4SLinus Torvalds }; 22501da177e4SLinus Torvalds 22511da177e4SLinus Torvalds char *aac_get_status_string(u32 status) 22521da177e4SLinus Torvalds { 22531da177e4SLinus Torvalds int i; 22541da177e4SLinus Torvalds 22551da177e4SLinus Torvalds for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ 22561da177e4SLinus Torvalds if(srb_status_info[i].status == status){ 22571da177e4SLinus Torvalds return srb_status_info[i].str; 22581da177e4SLinus Torvalds } 22591da177e4SLinus Torvalds } 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvalds return "Bad Status Code"; 22621da177e4SLinus Torvalds } 22631da177e4SLinus Torvalds 22641da177e4SLinus Torvalds #endif 2265