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 5741da177e4SLinus Torvalds static void setinqstr(int devtype, void *data, int tindex) 5751da177e4SLinus Torvalds { 5761da177e4SLinus Torvalds struct scsi_inq *str; 5771da177e4SLinus Torvalds struct aac_driver_ident *mp; 5781da177e4SLinus Torvalds 5791da177e4SLinus Torvalds mp = aac_get_driver_ident(devtype); 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid); 5841da177e4SLinus Torvalds inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */ 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds if (tindex < (sizeof(container_types)/sizeof(char *))){ 5871da177e4SLinus Torvalds char *findit = str->pid; 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */ 5901da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */ 5911da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0) 5921da177e4SLinus Torvalds *(findit -= 4) = ' '; 5931da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1); 5941da177e4SLinus Torvalds } 5951da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl); 5961da177e4SLinus Torvalds } 5971da177e4SLinus Torvalds 5984833869eSAdrian Bunk static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, 5991da177e4SLinus Torvalds u8 a_sense_code, u8 incorrect_length, 6001da177e4SLinus Torvalds u8 bit_pointer, u16 field_pointer, 6011da177e4SLinus Torvalds u32 residue) 6021da177e4SLinus Torvalds { 6031da177e4SLinus Torvalds sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ 6041da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */ 6051da177e4SLinus Torvalds 6061da177e4SLinus Torvalds if (incorrect_length) { 6071da177e4SLinus Torvalds sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ 6081da177e4SLinus Torvalds sense_buf[3] = BYTE3(residue); 6091da177e4SLinus Torvalds sense_buf[4] = BYTE2(residue); 6101da177e4SLinus Torvalds sense_buf[5] = BYTE1(residue); 6111da177e4SLinus Torvalds sense_buf[6] = BYTE0(residue); 6121da177e4SLinus Torvalds } else 6131da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */ 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) 6161da177e4SLinus Torvalds sense_buf[7] = 10; /* Additional sense length */ 6171da177e4SLinus Torvalds else 6181da177e4SLinus Torvalds sense_buf[7] = 6; /* Additional sense length */ 6191da177e4SLinus Torvalds 6201da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */ 6211da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ 6221da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) { 6231da177e4SLinus Torvalds sense_buf[15] = 0; 6241da177e4SLinus Torvalds 6251da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_PARAM_FIELD) 6261da177e4SLinus Torvalds sense_buf[15] = 0x80;/* Std sense key specific field */ 6271da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */ 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD) 6301da177e4SLinus Torvalds sense_buf[15] = 0xc0;/* Std sense key specific field */ 6311da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */ 6321da177e4SLinus Torvalds sense_buf[15] |= bit_pointer; 6331da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */ 6341da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */ 6351da177e4SLinus Torvalds } 6361da177e4SLinus Torvalds } 6371da177e4SLinus Torvalds 6381da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev) 6391da177e4SLinus Torvalds { 6401da177e4SLinus Torvalds struct fib* fibptr; 6411da177e4SLinus Torvalds int rcode; 6421da177e4SLinus Torvalds u32 tmp; 6437c00ffa3SMark Haverkamp struct aac_adapter_info *info; 64484971738SMark Haverkamp struct aac_bus_info *command; 64584971738SMark Haverkamp struct aac_bus_info_response *bus_info; 6467c00ffa3SMark Haverkamp 6471da177e4SLinus Torvalds if (!(fibptr = fib_alloc(dev))) 6481da177e4SLinus Torvalds return -ENOMEM; 6491da177e4SLinus Torvalds 6501da177e4SLinus Torvalds fib_init(fibptr); 6511da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr); 6527c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds rcode = fib_send(RequestAdapterInfo, 6551da177e4SLinus Torvalds fibptr, 6567c00ffa3SMark Haverkamp sizeof(*info), 6571da177e4SLinus Torvalds FsaNormal, 6581da177e4SLinus Torvalds 1, 1, 6591da177e4SLinus Torvalds NULL, 6601da177e4SLinus Torvalds NULL); 6611da177e4SLinus Torvalds 6627c00ffa3SMark Haverkamp if (rcode < 0) { 6637c00ffa3SMark Haverkamp fib_complete(fibptr); 6647c00ffa3SMark Haverkamp fib_free(fibptr); 6657c00ffa3SMark Haverkamp return rcode; 6667c00ffa3SMark Haverkamp } 6677c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info)); 6687c00ffa3SMark Haverkamp 6697c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { 6707c00ffa3SMark Haverkamp struct aac_supplement_adapter_info * info; 6717c00ffa3SMark Haverkamp 6727c00ffa3SMark Haverkamp fib_init(fibptr); 6737c00ffa3SMark Haverkamp 6747c00ffa3SMark Haverkamp info = (struct aac_supplement_adapter_info *) fib_data(fibptr); 6757c00ffa3SMark Haverkamp 6767c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 6777c00ffa3SMark Haverkamp 6787c00ffa3SMark Haverkamp rcode = fib_send(RequestSupplementAdapterInfo, 6797c00ffa3SMark Haverkamp fibptr, 6807c00ffa3SMark Haverkamp sizeof(*info), 6817c00ffa3SMark Haverkamp FsaNormal, 6827c00ffa3SMark Haverkamp 1, 1, 6837c00ffa3SMark Haverkamp NULL, 6847c00ffa3SMark Haverkamp NULL); 6857c00ffa3SMark Haverkamp 6867c00ffa3SMark Haverkamp if (rcode >= 0) 6877c00ffa3SMark Haverkamp memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); 6887c00ffa3SMark Haverkamp } 6891da177e4SLinus Torvalds 69084971738SMark Haverkamp 69184971738SMark Haverkamp /* 69284971738SMark Haverkamp * GetBusInfo 69384971738SMark Haverkamp */ 69484971738SMark Haverkamp 69584971738SMark Haverkamp fib_init(fibptr); 69684971738SMark Haverkamp 69784971738SMark Haverkamp bus_info = (struct aac_bus_info_response *) fib_data(fibptr); 69884971738SMark Haverkamp 69984971738SMark Haverkamp memset(bus_info, 0, sizeof(*bus_info)); 70084971738SMark Haverkamp 70184971738SMark Haverkamp command = (struct aac_bus_info *)bus_info; 70284971738SMark Haverkamp 70384971738SMark Haverkamp command->Command = cpu_to_le32(VM_Ioctl); 70484971738SMark Haverkamp command->ObjType = cpu_to_le32(FT_DRIVE); 70584971738SMark Haverkamp command->MethodId = cpu_to_le32(1); 70684971738SMark Haverkamp command->CtlCmd = cpu_to_le32(GetBusInfo); 70784971738SMark Haverkamp 70884971738SMark Haverkamp rcode = fib_send(ContainerCommand, 70984971738SMark Haverkamp fibptr, 71084971738SMark Haverkamp sizeof (*bus_info), 71184971738SMark Haverkamp FsaNormal, 71284971738SMark Haverkamp 1, 1, 71384971738SMark Haverkamp NULL, NULL); 71484971738SMark Haverkamp 71584971738SMark Haverkamp if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { 71684971738SMark Haverkamp dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); 71784971738SMark Haverkamp dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); 71884971738SMark Haverkamp } 71984971738SMark Haverkamp 7201da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev); 7217c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 7221da177e4SLinus Torvalds dev->name, 7231da177e4SLinus Torvalds dev->id, 7241da177e4SLinus Torvalds tmp>>24, 7251da177e4SLinus Torvalds (tmp>>16)&0xff, 7261da177e4SLinus Torvalds tmp&0xff, 7277c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild), 7287c00ffa3SMark Haverkamp (int)sizeof(dev->supplement_adapter_info.BuildDate), 7297c00ffa3SMark Haverkamp dev->supplement_adapter_info.BuildDate); 7301da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev); 7311da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 7321da177e4SLinus Torvalds dev->name, dev->id, 7331da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7341da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild)); 7351da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev); 7361da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 7371da177e4SLinus Torvalds dev->name, dev->id, 7381da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 7391da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild)); 7401da177e4SLinus Torvalds if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 7411da177e4SLinus Torvalds printk(KERN_INFO "%s%d: serial %x\n", 7421da177e4SLinus Torvalds dev->name, dev->id, 7431da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.serial[0])); 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds dev->nondasd_support = 0; 7461da177e4SLinus Torvalds dev->raid_scsi_mode = 0; 7471da177e4SLinus Torvalds if(dev->adapter_info.options & AAC_OPT_NONDASD){ 7481da177e4SLinus Torvalds dev->nondasd_support = 1; 7491da177e4SLinus Torvalds } 7501da177e4SLinus Torvalds 7511da177e4SLinus Torvalds /* 7521da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently 7531da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will 7541da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag 7551da177e4SLinus Torvalds * additional changes changes will have to be made to support 7561da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be 7571da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of 7581da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the 7591da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the 7601da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only. 7611da177e4SLinus Torvalds */ 7621da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && 7631da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { 7641da177e4SLinus Torvalds dev->nondasd_support = 1; 7651da177e4SLinus Torvalds dev->raid_scsi_mode = 1; 7661da177e4SLinus Torvalds } 7671da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0) 7681da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", 7691da177e4SLinus Torvalds dev->name, dev->id); 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds if(nondasd != -1) { 7721da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0); 7731da177e4SLinus Torvalds } 7741da177e4SLinus Torvalds if(dev->nondasd_support != 0){ 7751da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 7761da177e4SLinus Torvalds } 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds dev->dac_support = 0; 7791da177e4SLinus Torvalds if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ 7801da177e4SLinus Torvalds printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); 7811da177e4SLinus Torvalds dev->dac_support = 1; 7821da177e4SLinus Torvalds } 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvalds if(dacmode != -1) { 7851da177e4SLinus Torvalds dev->dac_support = (dacmode!=0); 7861da177e4SLinus Torvalds } 7871da177e4SLinus Torvalds if(dev->dac_support != 0) { 78871e0f32fSJames Bottomley if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && 78971e0f32fSJames Bottomley !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { 7901da177e4SLinus Torvalds printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 7911da177e4SLinus Torvalds dev->name, dev->id); 79271e0f32fSJames Bottomley } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && 79371e0f32fSJames Bottomley !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { 7941da177e4SLinus Torvalds printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 7951da177e4SLinus Torvalds dev->name, dev->id); 7961da177e4SLinus Torvalds dev->dac_support = 0; 7971da177e4SLinus Torvalds } else { 7981da177e4SLinus Torvalds printk(KERN_WARNING"%s%d: No suitable DMA available.\n", 7991da177e4SLinus Torvalds dev->name, dev->id); 8001da177e4SLinus Torvalds rcode = -ENOMEM; 8011da177e4SLinus Torvalds } 8021da177e4SLinus Torvalds } 8037c00ffa3SMark Haverkamp /* 8047c00ffa3SMark Haverkamp * 57 scatter gather elements 8057c00ffa3SMark Haverkamp */ 8060e68c003SMark Haverkamp if (!(dev->raw_io_interface)) { 8077c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - 8087c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 8097c00ffa3SMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgmap)) / 8107c00ffa3SMark Haverkamp sizeof(struct sgmap); 8117c00ffa3SMark Haverkamp if (dev->dac_support) { 8127c00ffa3SMark Haverkamp /* 8137c00ffa3SMark Haverkamp * 38 scatter gather elements 8147c00ffa3SMark Haverkamp */ 8157c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = 8167c00ffa3SMark Haverkamp (dev->max_fib_size - 8177c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 8187c00ffa3SMark Haverkamp sizeof(struct aac_write64) + 8197c00ffa3SMark Haverkamp sizeof(struct sgmap64)) / 8207c00ffa3SMark Haverkamp sizeof(struct sgmap64); 8217c00ffa3SMark Haverkamp } 8227c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; 8237c00ffa3SMark Haverkamp if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { 8247c00ffa3SMark Haverkamp /* 8257c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when 8267c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB. 8277c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what 8287c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is 8297c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB 8307c00ffa3SMark Haverkamp * element. 8317c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB 8327c00ffa3SMark Haverkamp */ 8337c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = 8347c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112; 8357c00ffa3SMark Haverkamp } 8360e68c003SMark Haverkamp } 8371da177e4SLinus Torvalds 8381da177e4SLinus Torvalds fib_complete(fibptr); 8391da177e4SLinus Torvalds fib_free(fibptr); 8401da177e4SLinus Torvalds 8411da177e4SLinus Torvalds return rcode; 8421da177e4SLinus Torvalds } 8431da177e4SLinus Torvalds 8441da177e4SLinus Torvalds 845e53cb35aSMark Haverkamp static void io_callback(void *context, struct fib * fibptr) 8461da177e4SLinus Torvalds { 8471da177e4SLinus Torvalds struct aac_dev *dev; 8481da177e4SLinus Torvalds struct aac_read_reply *readreply; 8491da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 8501da177e4SLinus Torvalds u32 cid; 8511da177e4SLinus Torvalds 8521da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 8551da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 8561da177e4SLinus Torvalds 857e53cb35aSMark 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)); 8581da177e4SLinus Torvalds 8591da177e4SLinus Torvalds if (fibptr == NULL) 8601da177e4SLinus Torvalds BUG(); 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvalds if(scsicmd->use_sg) 8631da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 8641da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 8651da177e4SLinus Torvalds scsicmd->use_sg, 8661da177e4SLinus Torvalds scsicmd->sc_data_direction); 8671da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 8681da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, 8691da177e4SLinus Torvalds scsicmd->request_bufflen, 8701da177e4SLinus Torvalds scsicmd->sc_data_direction); 8711da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr); 8721da177e4SLinus Torvalds if (le32_to_cpu(readreply->status) == ST_OK) 8731da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 8741da177e4SLinus Torvalds else { 8757c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO 876e53cb35aSMark Haverkamp printk(KERN_WARNING "io_callback: io failed, status = %d\n", 8771da177e4SLinus Torvalds le32_to_cpu(readreply->status)); 8787c00ffa3SMark Haverkamp #endif 8791da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 8801da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 8811da177e4SLinus Torvalds HARDWARE_ERROR, 8821da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 8831da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 8841da177e4SLinus Torvalds 0, 0); 8851da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 8861da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 8871da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 8881da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 8891da177e4SLinus Torvalds } 8901da177e4SLinus Torvalds fib_complete(fibptr); 8911da177e4SLinus Torvalds fib_free(fibptr); 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds aac_io_done(scsicmd); 8941da177e4SLinus Torvalds } 8951da177e4SLinus Torvalds 8964833869eSAdrian Bunk static int aac_read(struct scsi_cmnd * scsicmd, int cid) 8971da177e4SLinus Torvalds { 8981da177e4SLinus Torvalds u32 lba; 8991da177e4SLinus Torvalds u32 count; 9001da177e4SLinus Torvalds int status; 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds u16 fibsize; 9031da177e4SLinus Torvalds struct aac_dev *dev; 9041da177e4SLinus Torvalds struct fib * cmd_fibcontext; 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 9071da177e4SLinus Torvalds /* 9081da177e4SLinus Torvalds * Get block address and transfer length 9091da177e4SLinus Torvalds */ 9101da177e4SLinus Torvalds if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ 9111da177e4SLinus Torvalds { 9121da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); 9131da177e4SLinus Torvalds 9141da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 9151da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 9161da177e4SLinus Torvalds 9171da177e4SLinus Torvalds if (count == 0) 9181da177e4SLinus Torvalds count = 256; 9191da177e4SLinus Torvalds } else { 9201da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 9231da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 9241da177e4SLinus Torvalds } 9257c00ffa3SMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", 9267c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies)); 9271da177e4SLinus Torvalds /* 9281da177e4SLinus Torvalds * Alocate and initialize a Fib 9291da177e4SLinus Torvalds */ 9301da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 9311da177e4SLinus Torvalds return -1; 9321da177e4SLinus Torvalds } 9331da177e4SLinus Torvalds 9341da177e4SLinus Torvalds fib_init(cmd_fibcontext); 9351da177e4SLinus Torvalds 9360e68c003SMark Haverkamp if (dev->raw_io_interface) { 9370e68c003SMark Haverkamp struct aac_raw_io *readcmd; 9380e68c003SMark Haverkamp readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); 9390e68c003SMark Haverkamp readcmd->block[0] = cpu_to_le32(lba); 9400e68c003SMark Haverkamp readcmd->block[1] = 0; 9410e68c003SMark Haverkamp readcmd->count = cpu_to_le32(count<<9); 9420e68c003SMark Haverkamp readcmd->cid = cpu_to_le16(cid); 9430e68c003SMark Haverkamp readcmd->flags = cpu_to_le16(1); 9440e68c003SMark Haverkamp readcmd->bpTotal = 0; 9450e68c003SMark Haverkamp readcmd->bpComplete = 0; 9460e68c003SMark Haverkamp 9470e68c003SMark Haverkamp aac_build_sgraw(scsicmd, &readcmd->sg); 9480e68c003SMark Haverkamp fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw)); 9490e68c003SMark Haverkamp if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) 9500e68c003SMark Haverkamp BUG(); 9510e68c003SMark Haverkamp /* 9520e68c003SMark Haverkamp * Now send the Fib to the adapter 9530e68c003SMark Haverkamp */ 9540e68c003SMark Haverkamp status = fib_send(ContainerRawIo, 9550e68c003SMark Haverkamp cmd_fibcontext, 9560e68c003SMark Haverkamp fibsize, 9570e68c003SMark Haverkamp FsaNormal, 9580e68c003SMark Haverkamp 0, 1, 9590e68c003SMark Haverkamp (fib_callback) io_callback, 9600e68c003SMark Haverkamp (void *) scsicmd); 9610e68c003SMark Haverkamp } else if (dev->dac_support == 1) { 9621da177e4SLinus Torvalds struct aac_read64 *readcmd; 9631da177e4SLinus Torvalds readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); 9641da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtHostRead64); 9651da177e4SLinus Torvalds readcmd->cid = cpu_to_le16(cid); 9661da177e4SLinus Torvalds readcmd->sector_count = cpu_to_le16(count); 9671da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9681da177e4SLinus Torvalds readcmd->pad = 0; 9691da177e4SLinus Torvalds readcmd->flags = 0; 9701da177e4SLinus Torvalds 9711da177e4SLinus Torvalds aac_build_sg64(scsicmd, &readcmd->sg); 9721da177e4SLinus Torvalds fibsize = sizeof(struct aac_read64) + 9731da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9741da177e4SLinus Torvalds sizeof (struct sgentry64)); 97577d71d22SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 9761da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 9771da177e4SLinus Torvalds /* 9781da177e4SLinus Torvalds * Now send the Fib to the adapter 9791da177e4SLinus Torvalds */ 9801da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 9811da177e4SLinus Torvalds cmd_fibcontext, 9821da177e4SLinus Torvalds fibsize, 9831da177e4SLinus Torvalds FsaNormal, 9841da177e4SLinus Torvalds 0, 1, 985e53cb35aSMark Haverkamp (fib_callback) io_callback, 9861da177e4SLinus Torvalds (void *) scsicmd); 9871da177e4SLinus Torvalds } else { 9881da177e4SLinus Torvalds struct aac_read *readcmd; 9891da177e4SLinus Torvalds readcmd = (struct aac_read *) fib_data(cmd_fibcontext); 9901da177e4SLinus Torvalds readcmd->command = cpu_to_le32(VM_CtBlockRead); 9911da177e4SLinus Torvalds readcmd->cid = cpu_to_le32(cid); 9921da177e4SLinus Torvalds readcmd->block = cpu_to_le32(lba); 9931da177e4SLinus Torvalds readcmd->count = cpu_to_le32(count * 512); 9941da177e4SLinus Torvalds 9951da177e4SLinus Torvalds aac_build_sg(scsicmd, &readcmd->sg); 9961da177e4SLinus Torvalds fibsize = sizeof(struct aac_read) + 9971da177e4SLinus Torvalds ((le32_to_cpu(readcmd->sg.count) - 1) * 9981da177e4SLinus Torvalds sizeof (struct sgentry)); 9997c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 10001da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 10011da177e4SLinus Torvalds /* 10021da177e4SLinus Torvalds * Now send the Fib to the adapter 10031da177e4SLinus Torvalds */ 10041da177e4SLinus Torvalds status = fib_send(ContainerCommand, 10051da177e4SLinus Torvalds cmd_fibcontext, 10061da177e4SLinus Torvalds fibsize, 10071da177e4SLinus Torvalds FsaNormal, 10081da177e4SLinus Torvalds 0, 1, 1009e53cb35aSMark Haverkamp (fib_callback) io_callback, 10101da177e4SLinus Torvalds (void *) scsicmd); 10111da177e4SLinus Torvalds } 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvalds 10151da177e4SLinus Torvalds /* 10161da177e4SLinus Torvalds * Check that the command queued to the controller 10171da177e4SLinus Torvalds */ 10181da177e4SLinus Torvalds if (status == -EINPROGRESS) 10191da177e4SLinus Torvalds return 0; 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); 10221da177e4SLinus Torvalds /* 10231da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 10241da177e4SLinus Torvalds */ 10251da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 10261da177e4SLinus Torvalds aac_io_done(scsicmd); 10271da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 10281da177e4SLinus Torvalds fib_free(cmd_fibcontext); 10291da177e4SLinus Torvalds return 0; 10301da177e4SLinus Torvalds } 10311da177e4SLinus Torvalds 10321da177e4SLinus Torvalds static int aac_write(struct scsi_cmnd * scsicmd, int cid) 10331da177e4SLinus Torvalds { 10341da177e4SLinus Torvalds u32 lba; 10351da177e4SLinus Torvalds u32 count; 10361da177e4SLinus Torvalds int status; 10371da177e4SLinus Torvalds u16 fibsize; 10381da177e4SLinus Torvalds struct aac_dev *dev; 10391da177e4SLinus Torvalds struct fib * cmd_fibcontext; 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 10421da177e4SLinus Torvalds /* 10431da177e4SLinus Torvalds * Get block address and transfer length 10441da177e4SLinus Torvalds */ 10451da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ 10461da177e4SLinus Torvalds { 10471da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 10481da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 10491da177e4SLinus Torvalds if (count == 0) 10501da177e4SLinus Torvalds count = 256; 10511da177e4SLinus Torvalds } else { 10521da177e4SLinus Torvalds dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); 10531da177e4SLinus Torvalds lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 10541da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 10551da177e4SLinus Torvalds } 10561da177e4SLinus Torvalds dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", 10571da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies)); 10581da177e4SLinus Torvalds /* 10591da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 10601da177e4SLinus Torvalds */ 10611da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 10621da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16; 10631da177e4SLinus Torvalds aac_io_done(scsicmd); 10641da177e4SLinus Torvalds return 0; 10651da177e4SLinus Torvalds } 10661da177e4SLinus Torvalds fib_init(cmd_fibcontext); 10671da177e4SLinus Torvalds 10680e68c003SMark Haverkamp if (dev->raw_io_interface) { 10690e68c003SMark Haverkamp struct aac_raw_io *writecmd; 10700e68c003SMark Haverkamp writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); 10710e68c003SMark Haverkamp writecmd->block[0] = cpu_to_le32(lba); 10720e68c003SMark Haverkamp writecmd->block[1] = 0; 10730e68c003SMark Haverkamp writecmd->count = cpu_to_le32(count<<9); 10740e68c003SMark Haverkamp writecmd->cid = cpu_to_le16(cid); 10750e68c003SMark Haverkamp writecmd->flags = 0; 10760e68c003SMark Haverkamp writecmd->bpTotal = 0; 10770e68c003SMark Haverkamp writecmd->bpComplete = 0; 10780e68c003SMark Haverkamp 10790e68c003SMark Haverkamp aac_build_sgraw(scsicmd, &writecmd->sg); 10800e68c003SMark Haverkamp fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw)); 10810e68c003SMark Haverkamp if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr))) 10820e68c003SMark Haverkamp BUG(); 10830e68c003SMark Haverkamp /* 10840e68c003SMark Haverkamp * Now send the Fib to the adapter 10850e68c003SMark Haverkamp */ 10860e68c003SMark Haverkamp status = fib_send(ContainerRawIo, 10870e68c003SMark Haverkamp cmd_fibcontext, 10880e68c003SMark Haverkamp fibsize, 10890e68c003SMark Haverkamp FsaNormal, 10900e68c003SMark Haverkamp 0, 1, 10910e68c003SMark Haverkamp (fib_callback) io_callback, 10920e68c003SMark Haverkamp (void *) scsicmd); 10930e68c003SMark Haverkamp } else if (dev->dac_support == 1) { 10941da177e4SLinus Torvalds struct aac_write64 *writecmd; 10951da177e4SLinus Torvalds writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); 10961da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtHostWrite64); 10971da177e4SLinus Torvalds writecmd->cid = cpu_to_le16(cid); 10981da177e4SLinus Torvalds writecmd->sector_count = cpu_to_le16(count); 10991da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 11001da177e4SLinus Torvalds writecmd->pad = 0; 11011da177e4SLinus Torvalds writecmd->flags = 0; 11021da177e4SLinus Torvalds 11031da177e4SLinus Torvalds aac_build_sg64(scsicmd, &writecmd->sg); 11041da177e4SLinus Torvalds fibsize = sizeof(struct aac_write64) + 11051da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 11061da177e4SLinus Torvalds sizeof (struct sgentry64)); 11077c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 11081da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 11091da177e4SLinus Torvalds /* 11101da177e4SLinus Torvalds * Now send the Fib to the adapter 11111da177e4SLinus Torvalds */ 11121da177e4SLinus Torvalds status = fib_send(ContainerCommand64, 11131da177e4SLinus Torvalds cmd_fibcontext, 11141da177e4SLinus Torvalds fibsize, 11151da177e4SLinus Torvalds FsaNormal, 11161da177e4SLinus Torvalds 0, 1, 1117e53cb35aSMark Haverkamp (fib_callback) io_callback, 11181da177e4SLinus Torvalds (void *) scsicmd); 11191da177e4SLinus Torvalds } else { 11201da177e4SLinus Torvalds struct aac_write *writecmd; 11211da177e4SLinus Torvalds writecmd = (struct aac_write *) fib_data(cmd_fibcontext); 11221da177e4SLinus Torvalds writecmd->command = cpu_to_le32(VM_CtBlockWrite); 11231da177e4SLinus Torvalds writecmd->cid = cpu_to_le32(cid); 11241da177e4SLinus Torvalds writecmd->block = cpu_to_le32(lba); 11251da177e4SLinus Torvalds writecmd->count = cpu_to_le32(count * 512); 11261da177e4SLinus Torvalds writecmd->sg.count = cpu_to_le32(1); 11271da177e4SLinus Torvalds /* ->stable is not used - it did mean which type of write */ 11281da177e4SLinus Torvalds 11291da177e4SLinus Torvalds aac_build_sg(scsicmd, &writecmd->sg); 11301da177e4SLinus Torvalds fibsize = sizeof(struct aac_write) + 11311da177e4SLinus Torvalds ((le32_to_cpu(writecmd->sg.count) - 1) * 11321da177e4SLinus Torvalds sizeof (struct sgentry)); 11337c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 11341da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 11351da177e4SLinus Torvalds /* 11361da177e4SLinus Torvalds * Now send the Fib to the adapter 11371da177e4SLinus Torvalds */ 11381da177e4SLinus Torvalds status = fib_send(ContainerCommand, 11391da177e4SLinus Torvalds cmd_fibcontext, 11401da177e4SLinus Torvalds fibsize, 11411da177e4SLinus Torvalds FsaNormal, 11421da177e4SLinus Torvalds 0, 1, 1143e53cb35aSMark Haverkamp (fib_callback) io_callback, 11441da177e4SLinus Torvalds (void *) scsicmd); 11451da177e4SLinus Torvalds } 11461da177e4SLinus Torvalds 11471da177e4SLinus Torvalds /* 11481da177e4SLinus Torvalds * Check that the command queued to the controller 11491da177e4SLinus Torvalds */ 11501da177e4SLinus Torvalds if (status == -EINPROGRESS) 11511da177e4SLinus Torvalds { 11521da177e4SLinus Torvalds return 0; 11531da177e4SLinus Torvalds } 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); 11561da177e4SLinus Torvalds /* 11571da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 11581da177e4SLinus Torvalds */ 11591da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 11601da177e4SLinus Torvalds aac_io_done(scsicmd); 11611da177e4SLinus Torvalds 11621da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 11631da177e4SLinus Torvalds fib_free(cmd_fibcontext); 11641da177e4SLinus Torvalds return 0; 11651da177e4SLinus Torvalds } 11661da177e4SLinus Torvalds 11671da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr) 11681da177e4SLinus Torvalds { 11691da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply; 11701da177e4SLinus Torvalds struct scsi_cmnd *cmd; 11711da177e4SLinus Torvalds 11721da177e4SLinus Torvalds cmd = context; 11731da177e4SLinus Torvalds 11741da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 11751da177e4SLinus Torvalds smp_processor_id(), jiffies)); 11761da177e4SLinus Torvalds BUG_ON(fibptr == NULL); 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvalds synchronizereply = fib_data(fibptr); 11801da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK) 11811da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11821da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 11831da177e4SLinus Torvalds else { 11841da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device; 11851da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 11861da177e4SLinus Torvalds u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); 11871da177e4SLinus Torvalds printk(KERN_WARNING 11881da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n", 11891da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status)); 11901da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 11911da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 11921da177e4SLinus Torvalds set_sense((u8 *)&dev->fsa_dev[cid].sense_data, 11931da177e4SLinus Torvalds HARDWARE_ERROR, 11941da177e4SLinus Torvalds SENCODE_INTERNAL_TARGET_FAILURE, 11951da177e4SLinus Torvalds ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 11961da177e4SLinus Torvalds 0, 0); 11971da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 11981da177e4SLinus Torvalds min(sizeof(dev->fsa_dev[cid].sense_data), 11991da177e4SLinus Torvalds sizeof(cmd->sense_buffer))); 12001da177e4SLinus Torvalds } 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvalds fib_complete(fibptr); 12031da177e4SLinus Torvalds fib_free(fibptr); 12041da177e4SLinus Torvalds aac_io_done(cmd); 12051da177e4SLinus Torvalds } 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) 12081da177e4SLinus Torvalds { 12091da177e4SLinus Torvalds int status; 12101da177e4SLinus Torvalds struct fib *cmd_fibcontext; 12111da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd; 12121da177e4SLinus Torvalds struct scsi_cmnd *cmd; 12131da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device; 12141da177e4SLinus Torvalds int active = 0; 12151da177e4SLinus Torvalds unsigned long flags; 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvalds /* 12181da177e4SLinus Torvalds * Wait for all commands to complete to this specific 12191da177e4SLinus Torvalds * target (block). 12201da177e4SLinus Torvalds */ 12211da177e4SLinus Torvalds spin_lock_irqsave(&sdev->list_lock, flags); 12221da177e4SLinus Torvalds list_for_each_entry(cmd, &sdev->cmd_list, list) 12231da177e4SLinus Torvalds if (cmd != scsicmd && cmd->serial_number != 0) { 12241da177e4SLinus Torvalds ++active; 12251da177e4SLinus Torvalds break; 12261da177e4SLinus Torvalds } 12271da177e4SLinus Torvalds 12281da177e4SLinus Torvalds spin_unlock_irqrestore(&sdev->list_lock, flags); 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds /* 12311da177e4SLinus Torvalds * Yield the processor (requeue for later) 12321da177e4SLinus Torvalds */ 12331da177e4SLinus Torvalds if (active) 12341da177e4SLinus Torvalds return SCSI_MLQUEUE_DEVICE_BUSY; 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvalds /* 12377c00ffa3SMark Haverkamp * Allocate and initialize a Fib 12381da177e4SLinus Torvalds */ 12391da177e4SLinus Torvalds if (!(cmd_fibcontext = 12401da177e4SLinus Torvalds fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) 12411da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12421da177e4SLinus Torvalds 12431da177e4SLinus Torvalds fib_init(cmd_fibcontext); 12441da177e4SLinus Torvalds 12451da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext); 12461da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); 12471da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); 12481da177e4SLinus Torvalds synchronizecmd->cid = cpu_to_le32(cid); 12491da177e4SLinus Torvalds synchronizecmd->count = 12501da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); 12511da177e4SLinus Torvalds 12521da177e4SLinus Torvalds /* 12531da177e4SLinus Torvalds * Now send the Fib to the adapter 12541da177e4SLinus Torvalds */ 12551da177e4SLinus Torvalds status = fib_send(ContainerCommand, 12561da177e4SLinus Torvalds cmd_fibcontext, 12571da177e4SLinus Torvalds sizeof(struct aac_synchronize), 12581da177e4SLinus Torvalds FsaNormal, 12591da177e4SLinus Torvalds 0, 1, 12601da177e4SLinus Torvalds (fib_callback)synchronize_callback, 12611da177e4SLinus Torvalds (void *)scsicmd); 12621da177e4SLinus Torvalds 12631da177e4SLinus Torvalds /* 12641da177e4SLinus Torvalds * Check that the command queued to the controller 12651da177e4SLinus Torvalds */ 12661da177e4SLinus Torvalds if (status == -EINPROGRESS) 12671da177e4SLinus Torvalds return 0; 12681da177e4SLinus Torvalds 12691da177e4SLinus Torvalds printk(KERN_WARNING 12701da177e4SLinus Torvalds "aac_synchronize: fib_send failed with status: %d.\n", status); 12711da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 12721da177e4SLinus Torvalds fib_free(cmd_fibcontext); 12731da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 12741da177e4SLinus Torvalds } 12751da177e4SLinus Torvalds 12761da177e4SLinus Torvalds /** 12771da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command 12781da177e4SLinus Torvalds * @scsicmd: SCSI command block 12791da177e4SLinus Torvalds * 12801da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the 12811da177e4SLinus Torvalds * aacraid firmware. 12821da177e4SLinus Torvalds */ 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd) 12851da177e4SLinus Torvalds { 12861da177e4SLinus Torvalds u32 cid = 0; 12871da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 12881da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata; 12891da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; 12901da177e4SLinus Torvalds int cardtype = dev->cardtype; 12911da177e4SLinus Torvalds int ret; 12921da177e4SLinus Torvalds 12931da177e4SLinus Torvalds /* 12941da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail 12951da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller 12961da177e4SLinus Torvalds * itself. 12971da177e4SLinus Torvalds */ 12981da177e4SLinus Torvalds if (scsicmd->device->id != host->this_id) { 12991da177e4SLinus Torvalds if ((scsicmd->device->channel == 0) ){ 13001da177e4SLinus Torvalds if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ 13011da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13021da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13031da177e4SLinus Torvalds return 0; 13041da177e4SLinus Torvalds } 13051da177e4SLinus Torvalds cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvalds /* 13081da177e4SLinus Torvalds * If the target container doesn't exist, it may have 13091da177e4SLinus Torvalds * been newly created 13101da177e4SLinus Torvalds */ 13111da177e4SLinus Torvalds if ((fsa_dev_ptr[cid].valid & 1) == 0) { 13121da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13131da177e4SLinus Torvalds case INQUIRY: 13141da177e4SLinus Torvalds case READ_CAPACITY: 13151da177e4SLinus Torvalds case TEST_UNIT_READY: 13161da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 13171da177e4SLinus Torvalds probe_container(dev, cid); 13181da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 13191da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 13201da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13211da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13221da177e4SLinus Torvalds return 0; 13231da177e4SLinus Torvalds } 13241da177e4SLinus Torvalds default: 13251da177e4SLinus Torvalds break; 13261da177e4SLinus Torvalds } 13271da177e4SLinus Torvalds } 13281da177e4SLinus Torvalds /* 13291da177e4SLinus Torvalds * If the target container still doesn't exist, 13301da177e4SLinus Torvalds * return failure 13311da177e4SLinus Torvalds */ 13321da177e4SLinus Torvalds if (fsa_dev_ptr[cid].valid == 0) { 13331da177e4SLinus Torvalds scsicmd->result = DID_BAD_TARGET << 16; 13341da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13351da177e4SLinus Torvalds return 0; 13361da177e4SLinus Torvalds } 13371da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */ 13381da177e4SLinus Torvalds if(dev->nondasd_support == 1){ 13391da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd); 13401da177e4SLinus Torvalds } else { 13411da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 13421da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13431da177e4SLinus Torvalds return 0; 13441da177e4SLinus Torvalds } 13451da177e4SLinus Torvalds } 13461da177e4SLinus Torvalds } 13471da177e4SLinus Torvalds /* 13481da177e4SLinus Torvalds * else Command for the controller itself 13491da177e4SLinus Torvalds */ 13501da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ 13511da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY)) 13521da177e4SLinus Torvalds { 13531da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); 13541da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 13551da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 13561da177e4SLinus Torvalds ILLEGAL_REQUEST, 13571da177e4SLinus Torvalds SENCODE_INVALID_COMMAND, 13581da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 13591da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 13601da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 13611da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 13621da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 13631da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13641da177e4SLinus Torvalds return 0; 13651da177e4SLinus Torvalds } 13661da177e4SLinus Torvalds 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvalds /* Handle commands here that don't really require going out to the adapter */ 13691da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 13701da177e4SLinus Torvalds case INQUIRY: 13711da177e4SLinus Torvalds { 13723b2946ccSMark Haverkamp struct inquiry_data inq_data; 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvalds dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); 13753b2946ccSMark Haverkamp memset(&inq_data, 0, sizeof (struct inquiry_data)); 13761da177e4SLinus Torvalds 13773b2946ccSMark Haverkamp inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ 13783b2946ccSMark Haverkamp inq_data.inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ 13793b2946ccSMark 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 */ 13803b2946ccSMark Haverkamp inq_data.inqd_len = 31; 13811da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 13823b2946ccSMark Haverkamp inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ 13831da177e4SLinus Torvalds /* 13841da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level 13851da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c 13861da177e4SLinus Torvalds */ 13871da177e4SLinus Torvalds if (scsicmd->device->id == host->this_id) { 13883b2946ccSMark Haverkamp setinqstr(cardtype, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *))); 13893b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ 13903b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); 13911da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 13921da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 13931da177e4SLinus Torvalds return 0; 13941da177e4SLinus Torvalds } 13953b2946ccSMark Haverkamp setinqstr(cardtype, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); 13963b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ 13973b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); 13981da177e4SLinus Torvalds return aac_get_container_name(scsicmd, cid); 13991da177e4SLinus Torvalds } 14001da177e4SLinus Torvalds case READ_CAPACITY: 14011da177e4SLinus Torvalds { 14021da177e4SLinus Torvalds u32 capacity; 14033b2946ccSMark Haverkamp char cp[8]; 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n")); 14061da177e4SLinus Torvalds if (fsa_dev_ptr[cid].size <= 0x100000000LL) 14071da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1; 14081da177e4SLinus Torvalds else 14091da177e4SLinus Torvalds capacity = (u32)-1; 14103b2946ccSMark Haverkamp 14111da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff; 14121da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff; 14131da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff; 14141da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff; 14151da177e4SLinus Torvalds cp[4] = 0; 14161da177e4SLinus Torvalds cp[5] = 0; 14171da177e4SLinus Torvalds cp[6] = 2; 14181da177e4SLinus Torvalds cp[7] = 0; 14193b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14221da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvalds return 0; 14251da177e4SLinus Torvalds } 14261da177e4SLinus Torvalds 14271da177e4SLinus Torvalds case MODE_SENSE: 14281da177e4SLinus Torvalds { 14293b2946ccSMark Haverkamp char mode_buf[4]; 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n")); 14321da177e4SLinus Torvalds mode_buf[0] = 3; /* Mode data length */ 14331da177e4SLinus Torvalds mode_buf[1] = 0; /* Medium type - default */ 14341da177e4SLinus Torvalds mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14351da177e4SLinus Torvalds mode_buf[3] = 0; /* Block descriptor length */ 14361da177e4SLinus Torvalds 14373b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); 14381da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14391da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14401da177e4SLinus Torvalds 14411da177e4SLinus Torvalds return 0; 14421da177e4SLinus Torvalds } 14431da177e4SLinus Torvalds case MODE_SENSE_10: 14441da177e4SLinus Torvalds { 14453b2946ccSMark Haverkamp char mode_buf[8]; 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); 14481da177e4SLinus Torvalds mode_buf[0] = 0; /* Mode data length (MSB) */ 14491da177e4SLinus Torvalds mode_buf[1] = 6; /* Mode data length (LSB) */ 14501da177e4SLinus Torvalds mode_buf[2] = 0; /* Medium type - default */ 14511da177e4SLinus Torvalds mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ 14521da177e4SLinus Torvalds mode_buf[4] = 0; /* reserved */ 14531da177e4SLinus Torvalds mode_buf[5] = 0; /* reserved */ 14541da177e4SLinus Torvalds mode_buf[6] = 0; /* Block descriptor length (MSB) */ 14551da177e4SLinus Torvalds mode_buf[7] = 0; /* Block descriptor length (LSB) */ 14563b2946ccSMark Haverkamp aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf)); 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14591da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14601da177e4SLinus Torvalds 14611da177e4SLinus Torvalds return 0; 14621da177e4SLinus Torvalds } 14631da177e4SLinus Torvalds case REQUEST_SENSE: 14641da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); 14651da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); 14661da177e4SLinus Torvalds memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); 14671da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14681da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14691da177e4SLinus Torvalds return 0; 14701da177e4SLinus Torvalds 14711da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL: 14721da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n")); 14731da177e4SLinus Torvalds if (scsicmd->cmnd[4]) 14741da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1; 14751da177e4SLinus Torvalds else 14761da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0; 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14791da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14801da177e4SLinus Torvalds return 0; 14811da177e4SLinus Torvalds /* 14821da177e4SLinus Torvalds * These commands are all No-Ops 14831da177e4SLinus Torvalds */ 14841da177e4SLinus Torvalds case TEST_UNIT_READY: 14851da177e4SLinus Torvalds case RESERVE: 14861da177e4SLinus Torvalds case RELEASE: 14871da177e4SLinus Torvalds case REZERO_UNIT: 14881da177e4SLinus Torvalds case REASSIGN_BLOCKS: 14891da177e4SLinus Torvalds case SEEK_10: 14901da177e4SLinus Torvalds case START_STOP: 14911da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 14921da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 14931da177e4SLinus Torvalds return 0; 14941da177e4SLinus Torvalds } 14951da177e4SLinus Torvalds 14961da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) 14971da177e4SLinus Torvalds { 14981da177e4SLinus Torvalds case READ_6: 14991da177e4SLinus Torvalds case READ_10: 15001da177e4SLinus Torvalds /* 15011da177e4SLinus Torvalds * Hack to keep track of ordinal number of the device that 15021da177e4SLinus Torvalds * corresponds to a container. Needed to convert 15031da177e4SLinus Torvalds * containers to /dev/sd device names 15041da177e4SLinus Torvalds */ 15051da177e4SLinus Torvalds 15061da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 15071da177e4SLinus Torvalds if (scsicmd->request->rq_disk) 15081da177e4SLinus Torvalds memcpy(fsa_dev_ptr[cid].devname, 15091da177e4SLinus Torvalds scsicmd->request->rq_disk->disk_name, 15101da177e4SLinus Torvalds 8); 15111da177e4SLinus Torvalds 15121da177e4SLinus Torvalds ret = aac_read(scsicmd, cid); 15131da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 15141da177e4SLinus Torvalds return ret; 15151da177e4SLinus Torvalds 15161da177e4SLinus Torvalds case WRITE_6: 15171da177e4SLinus Torvalds case WRITE_10: 15181da177e4SLinus Torvalds spin_unlock_irq(host->host_lock); 15191da177e4SLinus Torvalds ret = aac_write(scsicmd, cid); 15201da177e4SLinus Torvalds spin_lock_irq(host->host_lock); 15211da177e4SLinus Torvalds return ret; 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds case SYNCHRONIZE_CACHE: 15241da177e4SLinus Torvalds /* Issue FIB to tell Firmware to flush it's cache */ 15251da177e4SLinus Torvalds return aac_synchronize(scsicmd, cid); 15261da177e4SLinus Torvalds 15271da177e4SLinus Torvalds default: 15281da177e4SLinus Torvalds /* 15291da177e4SLinus Torvalds * Unhandled commands 15301da177e4SLinus Torvalds */ 15317c00ffa3SMark Haverkamp dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); 15321da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 15331da177e4SLinus Torvalds set_sense((u8 *) &dev->fsa_dev[cid].sense_data, 15341da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 15351da177e4SLinus Torvalds ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); 15361da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 15371da177e4SLinus Torvalds (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) 15381da177e4SLinus Torvalds ? sizeof(scsicmd->sense_buffer) 15391da177e4SLinus Torvalds : sizeof(dev->fsa_dev[cid].sense_data)); 15401da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 15411da177e4SLinus Torvalds return 0; 15421da177e4SLinus Torvalds } 15431da177e4SLinus Torvalds } 15441da177e4SLinus Torvalds 15451da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg) 15461da177e4SLinus Torvalds { 15471da177e4SLinus Torvalds struct aac_query_disk qd; 15481da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15491da177e4SLinus Torvalds 15501da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15511da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) 15521da177e4SLinus Torvalds return -EFAULT; 15531da177e4SLinus Torvalds if (qd.cnum == -1) 15541da177e4SLinus Torvalds qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); 15551da177e4SLinus Torvalds else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) 15561da177e4SLinus Torvalds { 15571da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) 15581da177e4SLinus Torvalds return -EINVAL; 15591da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no; 15601da177e4SLinus Torvalds qd.bus = 0; 15611da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum); 15621da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum); 15631da177e4SLinus Torvalds } 15641da177e4SLinus Torvalds else return -EINVAL; 15651da177e4SLinus Torvalds 15661da177e4SLinus Torvalds qd.valid = fsa_dev_ptr[qd.cnum].valid; 15671da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked; 15681da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted; 15691da177e4SLinus Torvalds 15701da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') 15711da177e4SLinus Torvalds qd.unmapped = 1; 15721da177e4SLinus Torvalds else 15731da177e4SLinus Torvalds qd.unmapped = 0; 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvalds strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, 15761da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) 15791da177e4SLinus Torvalds return -EFAULT; 15801da177e4SLinus Torvalds return 0; 15811da177e4SLinus Torvalds } 15821da177e4SLinus Torvalds 15831da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg) 15841da177e4SLinus Torvalds { 15851da177e4SLinus Torvalds struct aac_delete_disk dd; 15861da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 15871da177e4SLinus Torvalds 15881da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 15891da177e4SLinus Torvalds 15901da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 15911da177e4SLinus Torvalds return -EFAULT; 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 15941da177e4SLinus Torvalds return -EINVAL; 15951da177e4SLinus Torvalds /* 15961da177e4SLinus Torvalds * Mark this container as being deleted. 15971da177e4SLinus Torvalds */ 15981da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1; 15991da177e4SLinus Torvalds /* 16001da177e4SLinus Torvalds * Mark the container as no longer valid 16011da177e4SLinus Torvalds */ 16021da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 16031da177e4SLinus Torvalds return 0; 16041da177e4SLinus Torvalds } 16051da177e4SLinus Torvalds 16061da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg) 16071da177e4SLinus Torvalds { 16081da177e4SLinus Torvalds struct aac_delete_disk dd; 16091da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 16101da177e4SLinus Torvalds 16111da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 16121da177e4SLinus Torvalds 16131da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 16141da177e4SLinus Torvalds return -EFAULT; 16151da177e4SLinus Torvalds 16161da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 16171da177e4SLinus Torvalds return -EINVAL; 16181da177e4SLinus Torvalds /* 16191da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API. 16201da177e4SLinus Torvalds */ 16211da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked) 16221da177e4SLinus Torvalds return -EBUSY; 16231da177e4SLinus Torvalds else { 16241da177e4SLinus Torvalds /* 16251da177e4SLinus Torvalds * Mark the container as no longer being valid. 16261da177e4SLinus Torvalds */ 16271da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 16281da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0'; 16291da177e4SLinus Torvalds return 0; 16301da177e4SLinus Torvalds } 16311da177e4SLinus Torvalds } 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvalds int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) 16341da177e4SLinus Torvalds { 16351da177e4SLinus Torvalds switch (cmd) { 16361da177e4SLinus Torvalds case FSACTL_QUERY_DISK: 16371da177e4SLinus Torvalds return query_disk(dev, arg); 16381da177e4SLinus Torvalds case FSACTL_DELETE_DISK: 16391da177e4SLinus Torvalds return delete_disk(dev, arg); 16401da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK: 16411da177e4SLinus Torvalds return force_delete_disk(dev, arg); 16421da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS: 16431da177e4SLinus Torvalds return aac_get_containers(dev); 16441da177e4SLinus Torvalds default: 16451da177e4SLinus Torvalds return -ENOTTY; 16461da177e4SLinus Torvalds } 16471da177e4SLinus Torvalds } 16481da177e4SLinus Torvalds 16491da177e4SLinus Torvalds /** 16501da177e4SLinus Torvalds * 16511da177e4SLinus Torvalds * aac_srb_callback 16521da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd 16531da177e4SLinus Torvalds * @fibptr: pointer to the fib 16541da177e4SLinus Torvalds * 16551da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device 16561da177e4SLinus Torvalds * 16571da177e4SLinus Torvalds */ 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr) 16601da177e4SLinus Torvalds { 16611da177e4SLinus Torvalds struct aac_dev *dev; 16621da177e4SLinus Torvalds struct aac_srb_reply *srbreply; 16631da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 16661da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 16671da177e4SLinus Torvalds 16681da177e4SLinus Torvalds if (fibptr == NULL) 16691da177e4SLinus Torvalds BUG(); 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds srbreply = (struct aac_srb_reply *) fib_data(fibptr); 16721da177e4SLinus Torvalds 16731da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ 16741da177e4SLinus Torvalds /* 16751da177e4SLinus Torvalds * Calculate resid for sg 16761da177e4SLinus Torvalds */ 16771da177e4SLinus Torvalds 16781da177e4SLinus Torvalds scsicmd->resid = scsicmd->request_bufflen - 16791da177e4SLinus Torvalds le32_to_cpu(srbreply->data_xfer_length); 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvalds if(scsicmd->use_sg) 16821da177e4SLinus Torvalds pci_unmap_sg(dev->pdev, 16831da177e4SLinus Torvalds (struct scatterlist *)scsicmd->buffer, 16841da177e4SLinus Torvalds scsicmd->use_sg, 16851da177e4SLinus Torvalds scsicmd->sc_data_direction); 16861da177e4SLinus Torvalds else if(scsicmd->request_bufflen) 16871da177e4SLinus Torvalds pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, 16881da177e4SLinus Torvalds scsicmd->sc_data_direction); 16891da177e4SLinus Torvalds 16901da177e4SLinus Torvalds /* 16911da177e4SLinus Torvalds * First check the fib status 16921da177e4SLinus Torvalds */ 16931da177e4SLinus Torvalds 16941da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK){ 16951da177e4SLinus Torvalds int len; 16961da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); 16971da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 16981da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 16991da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 17001da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 17011da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 17021da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 17031da177e4SLinus Torvalds } 17041da177e4SLinus Torvalds 17051da177e4SLinus Torvalds /* 17061da177e4SLinus Torvalds * Next check the srb status 17071da177e4SLinus Torvalds */ 17081da177e4SLinus Torvalds switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ 17091da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY: 17101da177e4SLinus Torvalds case SRB_STATUS_PENDING: 17111da177e4SLinus Torvalds case SRB_STATUS_SUCCESS: 17121da177e4SLinus Torvalds if(scsicmd->cmnd[0] == INQUIRY ){ 17131da177e4SLinus Torvalds u8 b; 17141da177e4SLinus Torvalds u8 b1; 17151da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 17161da177e4SLinus Torvalds * are the raw container drives or stand alone drives. If they have 17171da177e4SLinus Torvalds * the removable bit set then we should expose them though. 17181da177e4SLinus Torvalds */ 17191da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x1f; 17201da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 17211da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 17221da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 17231da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17241da177e4SLinus Torvalds /* 17251da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17261da177e4SLinus Torvalds * the channel is 2 17271da177e4SLinus Torvalds */ 17281da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17291da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17301da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17311da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17321da177e4SLinus Torvalds } else { 17331da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17341da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17351da177e4SLinus Torvalds } 17361da177e4SLinus Torvalds } else { 17371da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17381da177e4SLinus Torvalds } 17391da177e4SLinus Torvalds break; 17401da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN: 17411da177e4SLinus Torvalds switch(scsicmd->cmnd[0]){ 17421da177e4SLinus Torvalds case READ_6: 17431da177e4SLinus Torvalds case WRITE_6: 17441da177e4SLinus Torvalds case READ_10: 17451da177e4SLinus Torvalds case WRITE_10: 17461da177e4SLinus Torvalds case READ_12: 17471da177e4SLinus Torvalds case WRITE_12: 17481da177e4SLinus Torvalds if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { 17491da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); 17501da177e4SLinus Torvalds } else { 17511da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); 17521da177e4SLinus Torvalds } 17531da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 17541da177e4SLinus Torvalds break; 17551da177e4SLinus Torvalds case INQUIRY: { 17561da177e4SLinus Torvalds u8 b; 17571da177e4SLinus Torvalds u8 b1; 17581da177e4SLinus Torvalds /* We can't expose disk devices because we can't tell whether they 17591da177e4SLinus Torvalds * are the raw container drives or stand alone drives 17601da177e4SLinus Torvalds */ 17611da177e4SLinus Torvalds b = (*(u8*)scsicmd->buffer)&0x0f; 17621da177e4SLinus Torvalds b1 = ((u8*)scsicmd->buffer)[1]; 17631da177e4SLinus Torvalds if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER 17641da177e4SLinus Torvalds || (b==TYPE_DISK && (b1&0x80)) ){ 17651da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17661da177e4SLinus Torvalds /* 17671da177e4SLinus Torvalds * We will allow disk devices if in RAID/SCSI mode and 17681da177e4SLinus Torvalds * the channel is 2 17691da177e4SLinus Torvalds */ 17701da177e4SLinus Torvalds } else if ((dev->raid_scsi_mode) && 17711da177e4SLinus Torvalds (scsicmd->device->channel == 2)) { 17721da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | 17731da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17741da177e4SLinus Torvalds } else { 17751da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | 17761da177e4SLinus Torvalds COMMAND_COMPLETE << 8; 17771da177e4SLinus Torvalds } 17781da177e4SLinus Torvalds break; 17791da177e4SLinus Torvalds } 17801da177e4SLinus Torvalds default: 17811da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 17821da177e4SLinus Torvalds break; 17831da177e4SLinus Torvalds } 17841da177e4SLinus Torvalds break; 17851da177e4SLinus Torvalds case SRB_STATUS_ABORTED: 17861da177e4SLinus Torvalds scsicmd->result = DID_ABORT << 16 | ABORT << 8; 17871da177e4SLinus Torvalds break; 17881da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED: 17891da177e4SLinus Torvalds // Not sure about this one - but assuming the hba was trying to abort for some reason 17901da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | ABORT << 8; 17911da177e4SLinus Torvalds break; 17921da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR: 17931da177e4SLinus Torvalds scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; 17941da177e4SLinus Torvalds break; 17951da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE: 17961da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID: 17971da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID: 17981da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN: 17991da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT: 18001da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 18011da177e4SLinus Torvalds break; 18021da177e4SLinus Torvalds 18031da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT: 18041da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT: 18051da177e4SLinus Torvalds scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; 18061da177e4SLinus Torvalds break; 18071da177e4SLinus Torvalds 18081da177e4SLinus Torvalds case SRB_STATUS_BUSY: 18091da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 18101da177e4SLinus Torvalds break; 18111da177e4SLinus Torvalds 18121da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET: 18131da177e4SLinus Torvalds scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; 18141da177e4SLinus Torvalds break; 18151da177e4SLinus Torvalds 18161da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED: 18171da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; 18181da177e4SLinus Torvalds break; 18191da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED: 18201da177e4SLinus Torvalds case SRB_STATUS_ERROR: 18211da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST: 18221da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED: 18231da177e4SLinus Torvalds case SRB_STATUS_NO_HBA: 18241da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE: 18251da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE: 18261da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: 18271da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY: 18281da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION: 18291da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED: 18301da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE: 18311da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT: 18321da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL: 18331da177e4SLinus Torvalds default: 18341da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18351da177e4SLinus Torvalds printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", 18361da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F, 18371da177e4SLinus Torvalds aac_get_status_string( 18381da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F), 18391da177e4SLinus Torvalds scsicmd->cmnd[0], 18401da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status)); 18411da177e4SLinus Torvalds #endif 18421da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 18431da177e4SLinus Torvalds break; 18441da177e4SLinus Torvalds } 18451da177e4SLinus Torvalds if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition 18461da177e4SLinus Torvalds int len; 18471da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION; 18481da177e4SLinus Torvalds len = (le32_to_cpu(srbreply->sense_data_size) > 18491da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer)) ? 18501da177e4SLinus Torvalds sizeof(scsicmd->sense_buffer) : 18511da177e4SLinus Torvalds le32_to_cpu(srbreply->sense_data_size); 18521da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 18531da177e4SLinus Torvalds dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", 18541da177e4SLinus Torvalds le32_to_cpu(srbreply->status), len)); 18551da177e4SLinus Torvalds #endif 18561da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 18571da177e4SLinus Torvalds 18581da177e4SLinus Torvalds } 18591da177e4SLinus Torvalds /* 18601da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit) 18611da177e4SLinus Torvalds */ 18621da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status); 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds fib_complete(fibptr); 18651da177e4SLinus Torvalds fib_free(fibptr); 18661da177e4SLinus Torvalds aac_io_done(scsicmd); 18671da177e4SLinus Torvalds } 18681da177e4SLinus Torvalds 18691da177e4SLinus Torvalds /** 18701da177e4SLinus Torvalds * 18711da177e4SLinus Torvalds * aac_send_scb_fib 18721da177e4SLinus Torvalds * @scsicmd: the scsi command block 18731da177e4SLinus Torvalds * 18741da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the 18751da177e4SLinus Torvalds * scsicmd passed in. 18761da177e4SLinus Torvalds */ 18771da177e4SLinus Torvalds 18781da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) 18791da177e4SLinus Torvalds { 18801da177e4SLinus Torvalds struct fib* cmd_fibcontext; 18811da177e4SLinus Torvalds struct aac_dev* dev; 18821da177e4SLinus Torvalds int status; 18831da177e4SLinus Torvalds struct aac_srb *srbcmd; 18841da177e4SLinus Torvalds u16 fibsize; 18851da177e4SLinus Torvalds u32 flag; 18861da177e4SLinus Torvalds u32 timeout; 18871da177e4SLinus Torvalds 188884971738SMark Haverkamp dev = (struct aac_dev *)scsicmd->device->host->hostdata; 188984971738SMark Haverkamp if (scsicmd->device->id >= dev->maximum_num_physicals || 189084971738SMark Haverkamp scsicmd->device->lun > 7) { 18911da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 18921da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 18931da177e4SLinus Torvalds return 0; 18941da177e4SLinus Torvalds } 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 18971da177e4SLinus Torvalds switch(scsicmd->sc_data_direction){ 18981da177e4SLinus Torvalds case DMA_TO_DEVICE: 18991da177e4SLinus Torvalds flag = SRB_DataOut; 19001da177e4SLinus Torvalds break; 19011da177e4SLinus Torvalds case DMA_BIDIRECTIONAL: 19021da177e4SLinus Torvalds flag = SRB_DataIn | SRB_DataOut; 19031da177e4SLinus Torvalds break; 19041da177e4SLinus Torvalds case DMA_FROM_DEVICE: 19051da177e4SLinus Torvalds flag = SRB_DataIn; 19061da177e4SLinus Torvalds break; 19071da177e4SLinus Torvalds case DMA_NONE: 19081da177e4SLinus Torvalds default: /* shuts up some versions of gcc */ 19091da177e4SLinus Torvalds flag = SRB_NoDataXfer; 19101da177e4SLinus Torvalds break; 19111da177e4SLinus Torvalds } 19121da177e4SLinus Torvalds 19131da177e4SLinus Torvalds 19141da177e4SLinus Torvalds /* 19151da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 19161da177e4SLinus Torvalds */ 19171da177e4SLinus Torvalds if (!(cmd_fibcontext = fib_alloc(dev))) { 19181da177e4SLinus Torvalds return -1; 19191da177e4SLinus Torvalds } 19201da177e4SLinus Torvalds fib_init(cmd_fibcontext); 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvalds srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); 19231da177e4SLinus Torvalds srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); 19241da177e4SLinus Torvalds srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); 19251da177e4SLinus Torvalds srbcmd->id = cpu_to_le32(scsicmd->device->id); 19261da177e4SLinus Torvalds srbcmd->lun = cpu_to_le32(scsicmd->device->lun); 19271da177e4SLinus Torvalds srbcmd->flags = cpu_to_le32(flag); 19285262d085SJames Bottomley timeout = scsicmd->timeout_per_command/HZ; 19291da177e4SLinus Torvalds if(timeout == 0){ 19301da177e4SLinus Torvalds timeout = 1; 19311da177e4SLinus Torvalds } 19321da177e4SLinus Torvalds srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds 19331da177e4SLinus Torvalds srbcmd->retry_limit = 0; /* Obsolete parameter */ 19341da177e4SLinus Torvalds srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); 19351da177e4SLinus Torvalds 19361da177e4SLinus Torvalds if( dev->dac_support == 1 ) { 19371da177e4SLinus Torvalds aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); 19381da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19391da177e4SLinus Torvalds 19401da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19411da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19421da177e4SLinus Torvalds /* 19431da177e4SLinus Torvalds * Build Scatter/Gather list 19441da177e4SLinus Torvalds */ 19451da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + 19461da177e4SLinus Torvalds ((le32_to_cpu(srbcmd->sg.count) & 0xff) * 19471da177e4SLinus Torvalds sizeof (struct sgentry64)); 19487c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19491da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19501da177e4SLinus Torvalds 19511da177e4SLinus Torvalds /* 19521da177e4SLinus Torvalds * Now send the Fib to the adapter 19531da177e4SLinus Torvalds */ 19541da177e4SLinus Torvalds status = fib_send(ScsiPortCommand64, cmd_fibcontext, 19551da177e4SLinus Torvalds fibsize, FsaNormal, 0, 1, 19561da177e4SLinus Torvalds (fib_callback) aac_srb_callback, 19571da177e4SLinus Torvalds (void *) scsicmd); 19581da177e4SLinus Torvalds } else { 19591da177e4SLinus Torvalds aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); 19601da177e4SLinus Torvalds srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); 19611da177e4SLinus Torvalds 19621da177e4SLinus Torvalds memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 19631da177e4SLinus Torvalds memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len); 19641da177e4SLinus Torvalds /* 19651da177e4SLinus Torvalds * Build Scatter/Gather list 19661da177e4SLinus Torvalds */ 19671da177e4SLinus Torvalds fibsize = sizeof (struct aac_srb) + 19681da177e4SLinus Torvalds (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 19691da177e4SLinus Torvalds sizeof (struct sgentry)); 19707c00ffa3SMark Haverkamp BUG_ON (fibsize > (dev->max_fib_size - 19711da177e4SLinus Torvalds sizeof(struct aac_fibhdr))); 19721da177e4SLinus Torvalds 19731da177e4SLinus Torvalds /* 19741da177e4SLinus Torvalds * Now send the Fib to the adapter 19751da177e4SLinus Torvalds */ 19761da177e4SLinus Torvalds status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, 19771da177e4SLinus Torvalds (fib_callback) aac_srb_callback, (void *) scsicmd); 19781da177e4SLinus Torvalds } 19791da177e4SLinus Torvalds /* 19801da177e4SLinus Torvalds * Check that the command queued to the controller 19811da177e4SLinus Torvalds */ 19821da177e4SLinus Torvalds if (status == -EINPROGRESS){ 19831da177e4SLinus Torvalds return 0; 19841da177e4SLinus Torvalds } 19851da177e4SLinus Torvalds 19861da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); 19871da177e4SLinus Torvalds fib_complete(cmd_fibcontext); 19881da177e4SLinus Torvalds fib_free(cmd_fibcontext); 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvalds return -1; 19911da177e4SLinus Torvalds } 19921da177e4SLinus Torvalds 19931da177e4SLinus Torvalds static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) 19941da177e4SLinus Torvalds { 19951da177e4SLinus Torvalds struct aac_dev *dev; 19961da177e4SLinus Torvalds unsigned long byte_count = 0; 19971da177e4SLinus Torvalds 19981da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 19991da177e4SLinus Torvalds // Get rid of old data 20001da177e4SLinus Torvalds psg->count = 0; 20011da177e4SLinus Torvalds psg->sg[0].addr = 0; 20021da177e4SLinus Torvalds psg->sg[0].count = 0; 20031da177e4SLinus Torvalds if (scsicmd->use_sg) { 20041da177e4SLinus Torvalds struct scatterlist *sg; 20051da177e4SLinus Torvalds int i; 20061da177e4SLinus Torvalds int sg_count; 20071da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 20081da177e4SLinus Torvalds 20091da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20101da177e4SLinus Torvalds scsicmd->sc_data_direction); 20111da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20121da177e4SLinus Torvalds 20131da177e4SLinus Torvalds byte_count = 0; 20141da177e4SLinus Torvalds 20151da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 20161da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); 20171da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 20181da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 20191da177e4SLinus Torvalds sg++; 20201da177e4SLinus Torvalds } 20211da177e4SLinus Torvalds /* hba wants the size to be exact */ 20221da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 202356b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 202456b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 202556b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 20261da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20271da177e4SLinus Torvalds } 20281da177e4SLinus Torvalds /* Check for command underflow */ 20291da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 20301da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20311da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20321da177e4SLinus Torvalds } 20331da177e4SLinus Torvalds } 20341da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 20351da177e4SLinus Torvalds dma_addr_t addr; 20361da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20371da177e4SLinus Torvalds scsicmd->request_buffer, 20381da177e4SLinus Torvalds scsicmd->request_bufflen, 20391da177e4SLinus Torvalds scsicmd->sc_data_direction); 20401da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 20411da177e4SLinus Torvalds psg->sg[0].addr = cpu_to_le32(addr); 20421da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 20431da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 20441da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20451da177e4SLinus Torvalds } 20461da177e4SLinus Torvalds return byte_count; 20471da177e4SLinus Torvalds } 20481da177e4SLinus Torvalds 20491da177e4SLinus Torvalds 20501da177e4SLinus Torvalds static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) 20511da177e4SLinus Torvalds { 20521da177e4SLinus Torvalds struct aac_dev *dev; 20531da177e4SLinus Torvalds unsigned long byte_count = 0; 205456b58712SMark Haverkamp u64 addr; 20551da177e4SLinus Torvalds 20561da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 20571da177e4SLinus Torvalds // Get rid of old data 20581da177e4SLinus Torvalds psg->count = 0; 20591da177e4SLinus Torvalds psg->sg[0].addr[0] = 0; 20601da177e4SLinus Torvalds psg->sg[0].addr[1] = 0; 20611da177e4SLinus Torvalds psg->sg[0].count = 0; 20621da177e4SLinus Torvalds if (scsicmd->use_sg) { 20631da177e4SLinus Torvalds struct scatterlist *sg; 20641da177e4SLinus Torvalds int i; 20651da177e4SLinus Torvalds int sg_count; 20661da177e4SLinus Torvalds sg = (struct scatterlist *) scsicmd->request_buffer; 20671da177e4SLinus Torvalds 20681da177e4SLinus Torvalds sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 20691da177e4SLinus Torvalds scsicmd->sc_data_direction); 20701da177e4SLinus Torvalds psg->count = cpu_to_le32(sg_count); 20711da177e4SLinus Torvalds 20721da177e4SLinus Torvalds byte_count = 0; 20731da177e4SLinus Torvalds 20741da177e4SLinus Torvalds for (i = 0; i < sg_count; i++) { 207556b58712SMark Haverkamp addr = sg_dma_address(sg); 207656b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); 207756b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32); 20781da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 20791da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 20801da177e4SLinus Torvalds sg++; 20811da177e4SLinus Torvalds } 20821da177e4SLinus Torvalds /* hba wants the size to be exact */ 20831da177e4SLinus Torvalds if(byte_count > scsicmd->request_bufflen){ 208456b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 208556b58712SMark Haverkamp (byte_count - scsicmd->request_bufflen); 208656b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 20871da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 20881da177e4SLinus Torvalds } 20891da177e4SLinus Torvalds /* Check for command underflow */ 20901da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 20911da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 20921da177e4SLinus Torvalds byte_count, scsicmd->underflow); 20931da177e4SLinus Torvalds } 20941da177e4SLinus Torvalds } 20951da177e4SLinus Torvalds else if(scsicmd->request_bufflen) { 209656b58712SMark Haverkamp u64 addr; 20971da177e4SLinus Torvalds addr = pci_map_single(dev->pdev, 20981da177e4SLinus Torvalds scsicmd->request_buffer, 20991da177e4SLinus Torvalds scsicmd->request_bufflen, 21001da177e4SLinus Torvalds scsicmd->sc_data_direction); 21011da177e4SLinus Torvalds psg->count = cpu_to_le32(1); 210256b58712SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff); 210356b58712SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32(addr >> 32); 21041da177e4SLinus Torvalds psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); 21051da177e4SLinus Torvalds scsicmd->SCp.dma_handle = addr; 21061da177e4SLinus Torvalds byte_count = scsicmd->request_bufflen; 21071da177e4SLinus Torvalds } 21081da177e4SLinus Torvalds return byte_count; 21091da177e4SLinus Torvalds } 21101da177e4SLinus Torvalds 21110e68c003SMark Haverkamp static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg) 21120e68c003SMark Haverkamp { 21130e68c003SMark Haverkamp struct Scsi_Host *host = scsicmd->device->host; 21140e68c003SMark Haverkamp struct aac_dev *dev = (struct aac_dev *)host->hostdata; 21150e68c003SMark Haverkamp unsigned long byte_count = 0; 21160e68c003SMark Haverkamp 21170e68c003SMark Haverkamp // Get rid of old data 21180e68c003SMark Haverkamp psg->count = 0; 21190e68c003SMark Haverkamp psg->sg[0].next = 0; 21200e68c003SMark Haverkamp psg->sg[0].prev = 0; 21210e68c003SMark Haverkamp psg->sg[0].addr[0] = 0; 21220e68c003SMark Haverkamp psg->sg[0].addr[1] = 0; 21230e68c003SMark Haverkamp psg->sg[0].count = 0; 21240e68c003SMark Haverkamp psg->sg[0].flags = 0; 21250e68c003SMark Haverkamp if (scsicmd->use_sg) { 21260e68c003SMark Haverkamp struct scatterlist *sg; 21270e68c003SMark Haverkamp int i; 21280e68c003SMark Haverkamp int sg_count; 21290e68c003SMark Haverkamp sg = (struct scatterlist *) scsicmd->request_buffer; 21300e68c003SMark Haverkamp 21310e68c003SMark Haverkamp sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, 21320e68c003SMark Haverkamp scsicmd->sc_data_direction); 21330e68c003SMark Haverkamp 21340e68c003SMark Haverkamp for (i = 0; i < sg_count; i++) { 21350e68c003SMark Haverkamp int count = sg_dma_len(sg); 21360e68c003SMark Haverkamp u64 addr = sg_dma_address(sg); 21370e68c003SMark Haverkamp psg->sg[i].next = 0; 21380e68c003SMark Haverkamp psg->sg[i].prev = 0; 21390e68c003SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); 21400e68c003SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); 21410e68c003SMark Haverkamp psg->sg[i].count = cpu_to_le32(count); 21420e68c003SMark Haverkamp psg->sg[i].flags = 0; 21430e68c003SMark Haverkamp byte_count += count; 21440e68c003SMark Haverkamp sg++; 21450e68c003SMark Haverkamp } 21460e68c003SMark Haverkamp psg->count = cpu_to_le32(sg_count); 21470e68c003SMark Haverkamp /* hba wants the size to be exact */ 21480e68c003SMark Haverkamp if(byte_count > scsicmd->request_bufflen){ 21490e68c003SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 21500e68c003SMark Haverkamp (byte_count - scsicmd->request_bufflen); 21510e68c003SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 21520e68c003SMark Haverkamp byte_count = scsicmd->request_bufflen; 21530e68c003SMark Haverkamp } 21540e68c003SMark Haverkamp /* Check for command underflow */ 21550e68c003SMark Haverkamp if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 21560e68c003SMark Haverkamp printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 21570e68c003SMark Haverkamp byte_count, scsicmd->underflow); 21580e68c003SMark Haverkamp } 21590e68c003SMark Haverkamp } 21600e68c003SMark Haverkamp else if(scsicmd->request_bufflen) { 21610e68c003SMark Haverkamp int count; 21620e68c003SMark Haverkamp u64 addr; 21630e68c003SMark Haverkamp scsicmd->SCp.dma_handle = pci_map_single(dev->pdev, 21640e68c003SMark Haverkamp scsicmd->request_buffer, 21650e68c003SMark Haverkamp scsicmd->request_bufflen, 21660e68c003SMark Haverkamp scsicmd->sc_data_direction); 21670e68c003SMark Haverkamp addr = scsicmd->SCp.dma_handle; 21680e68c003SMark Haverkamp count = scsicmd->request_bufflen; 21690e68c003SMark Haverkamp psg->count = cpu_to_le32(1); 21700e68c003SMark Haverkamp psg->sg[0].next = 0; 21710e68c003SMark Haverkamp psg->sg[0].prev = 0; 21720e68c003SMark Haverkamp psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32)); 21730e68c003SMark Haverkamp psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); 21740e68c003SMark Haverkamp psg->sg[0].count = cpu_to_le32(count); 21750e68c003SMark Haverkamp psg->sg[0].flags = 0; 21760e68c003SMark Haverkamp byte_count = scsicmd->request_bufflen; 21770e68c003SMark Haverkamp } 21780e68c003SMark Haverkamp return byte_count; 21790e68c003SMark Haverkamp } 21800e68c003SMark Haverkamp 21811da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 21821da177e4SLinus Torvalds 21831da177e4SLinus Torvalds struct aac_srb_status_info { 21841da177e4SLinus Torvalds u32 status; 21851da177e4SLinus Torvalds char *str; 21861da177e4SLinus Torvalds }; 21871da177e4SLinus Torvalds 21881da177e4SLinus Torvalds 21891da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = { 21901da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"}, 21911da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"}, 21921da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"}, 21931da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, 21941da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"}, 21951da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"}, 21961da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, 21971da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, 21981da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"}, 21991da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"}, 22001da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, 22011da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, 22021da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, 22031da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"}, 22041da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"}, 22051da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, 22061da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"}, 22071da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, 22081da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, 22091da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, 22101da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, 22111da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, 22121da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, 22131da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, 22141da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, 22151da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, 22161da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, 22171da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"}, 22181da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"}, 22191da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"}, 22201da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, 22211da177e4SLinus Torvalds { 0xff, "Unknown Error"} 22221da177e4SLinus Torvalds }; 22231da177e4SLinus Torvalds 22241da177e4SLinus Torvalds char *aac_get_status_string(u32 status) 22251da177e4SLinus Torvalds { 22261da177e4SLinus Torvalds int i; 22271da177e4SLinus Torvalds 22281da177e4SLinus Torvalds for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ 22291da177e4SLinus Torvalds if(srb_status_info[i].status == status){ 22301da177e4SLinus Torvalds return srb_status_info[i].str; 22311da177e4SLinus Torvalds } 22321da177e4SLinus Torvalds } 22331da177e4SLinus Torvalds 22341da177e4SLinus Torvalds return "Bad Status Code"; 22351da177e4SLinus Torvalds } 22361da177e4SLinus Torvalds 22371da177e4SLinus Torvalds #endif 2238