11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Adaptec AAC series RAID controller driver 3fa195afeSAlan Cox * (c) Copyright 2001 Red Hat Inc. 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * based on the old aacraid driver that is.. 61da177e4SLinus Torvalds * Adaptec aacraid device driver for Linux. 71da177e4SLinus Torvalds * 8e8b12f0fSMahesh Rajashekhara * Copyright (c) 2000-2010 Adaptec, Inc. 9e8b12f0fSMahesh Rajashekhara * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 101da177e4SLinus Torvalds * 111da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 121da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 131da177e4SLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 141da177e4SLinus Torvalds * any later version. 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 171da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 181da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 191da177e4SLinus Torvalds * GNU General Public License for more details. 201da177e4SLinus Torvalds * 211da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 221da177e4SLinus Torvalds * along with this program; see the file COPYING. If not, write to 231da177e4SLinus Torvalds * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 241da177e4SLinus Torvalds * 251da177e4SLinus Torvalds */ 261da177e4SLinus Torvalds 271da177e4SLinus Torvalds #include <linux/kernel.h> 281da177e4SLinus Torvalds #include <linux/init.h> 291da177e4SLinus Torvalds #include <linux/types.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/uaccess.h> 363a0086a8SSalyzyn, Mark #include <linux/highmem.h> /* For flush_kernel_dcache_page */ 37acf3368fSPaul Gortmaker #include <linux/module.h> 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds #include <scsi/scsi.h> 401da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h> 411da177e4SLinus Torvalds #include <scsi/scsi_device.h> 421da177e4SLinus Torvalds #include <scsi/scsi_host.h> 431da177e4SLinus Torvalds 441da177e4SLinus Torvalds #include "aacraid.h" 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds /* values for inqd_pdt: Peripheral device type in plain English */ 471da177e4SLinus Torvalds #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */ 481da177e4SLinus Torvalds #define INQD_PDT_PROC 0x03 /* Processor device */ 491da177e4SLinus Torvalds #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */ 501da177e4SLinus Torvalds #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */ 511da177e4SLinus Torvalds #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */ 521da177e4SLinus Torvalds #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */ 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */ 551da177e4SLinus Torvalds #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */ 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds /* 581da177e4SLinus Torvalds * Sense codes 591da177e4SLinus Torvalds */ 601da177e4SLinus Torvalds 611da177e4SLinus Torvalds #define SENCODE_NO_SENSE 0x00 621da177e4SLinus Torvalds #define SENCODE_END_OF_DATA 0x00 631da177e4SLinus Torvalds #define SENCODE_BECOMING_READY 0x04 641da177e4SLinus Torvalds #define SENCODE_INIT_CMD_REQUIRED 0x04 651da177e4SLinus Torvalds #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A 661da177e4SLinus Torvalds #define SENCODE_INVALID_COMMAND 0x20 671da177e4SLinus Torvalds #define SENCODE_LBA_OUT_OF_RANGE 0x21 681da177e4SLinus Torvalds #define SENCODE_INVALID_CDB_FIELD 0x24 691da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SUPPORTED 0x25 701da177e4SLinus Torvalds #define SENCODE_INVALID_PARAM_FIELD 0x26 711da177e4SLinus Torvalds #define SENCODE_PARAM_NOT_SUPPORTED 0x26 721da177e4SLinus Torvalds #define SENCODE_PARAM_VALUE_INVALID 0x26 731da177e4SLinus Torvalds #define SENCODE_RESET_OCCURRED 0x29 741da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E 751da177e4SLinus Torvalds #define SENCODE_INQUIRY_DATA_CHANGED 0x3F 761da177e4SLinus Torvalds #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 771da177e4SLinus Torvalds #define SENCODE_DIAGNOSTIC_FAILURE 0x40 781da177e4SLinus Torvalds #define SENCODE_INTERNAL_TARGET_FAILURE 0x44 791da177e4SLinus Torvalds #define SENCODE_INVALID_MESSAGE_ERROR 0x49 801da177e4SLinus Torvalds #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c 811da177e4SLinus Torvalds #define SENCODE_OVERLAPPED_COMMAND 0x4E 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds /* 841da177e4SLinus Torvalds * Additional sense codes 851da177e4SLinus Torvalds */ 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds #define ASENCODE_NO_SENSE 0x00 881da177e4SLinus Torvalds #define ASENCODE_END_OF_DATA 0x05 891da177e4SLinus Torvalds #define ASENCODE_BECOMING_READY 0x01 901da177e4SLinus Torvalds #define ASENCODE_INIT_CMD_REQUIRED 0x02 911da177e4SLinus Torvalds #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 921da177e4SLinus Torvalds #define ASENCODE_INVALID_COMMAND 0x00 931da177e4SLinus Torvalds #define ASENCODE_LBA_OUT_OF_RANGE 0x00 941da177e4SLinus Torvalds #define ASENCODE_INVALID_CDB_FIELD 0x00 951da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SUPPORTED 0x00 961da177e4SLinus Torvalds #define ASENCODE_INVALID_PARAM_FIELD 0x00 971da177e4SLinus Torvalds #define ASENCODE_PARAM_NOT_SUPPORTED 0x01 981da177e4SLinus Torvalds #define ASENCODE_PARAM_VALUE_INVALID 0x02 991da177e4SLinus Torvalds #define ASENCODE_RESET_OCCURRED 0x00 1001da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 1011da177e4SLinus Torvalds #define ASENCODE_INQUIRY_DATA_CHANGED 0x03 1021da177e4SLinus Torvalds #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 1031da177e4SLinus Torvalds #define ASENCODE_DIAGNOSTIC_FAILURE 0x80 1041da177e4SLinus Torvalds #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 1051da177e4SLinus Torvalds #define ASENCODE_INVALID_MESSAGE_ERROR 0x00 1061da177e4SLinus Torvalds #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 1071da177e4SLinus Torvalds #define ASENCODE_OVERLAPPED_COMMAND 0x00 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds #define BYTE0(x) (unsigned char)(x) 1101da177e4SLinus Torvalds #define BYTE1(x) (unsigned char)((x) >> 8) 1111da177e4SLinus Torvalds #define BYTE2(x) (unsigned char)((x) >> 16) 1121da177e4SLinus Torvalds #define BYTE3(x) (unsigned char)((x) >> 24) 1131da177e4SLinus Torvalds 114b836439fSMahesh Rajashekhara /* MODE_SENSE data format */ 115b836439fSMahesh Rajashekhara typedef struct { 116b836439fSMahesh Rajashekhara struct { 117b836439fSMahesh Rajashekhara u8 data_length; 118b836439fSMahesh Rajashekhara u8 med_type; 119b836439fSMahesh Rajashekhara u8 dev_par; 120b836439fSMahesh Rajashekhara u8 bd_length; 121b836439fSMahesh Rajashekhara } __attribute__((packed)) hd; 122b836439fSMahesh Rajashekhara struct { 123b836439fSMahesh Rajashekhara u8 dens_code; 124b836439fSMahesh Rajashekhara u8 block_count[3]; 125b836439fSMahesh Rajashekhara u8 reserved; 126b836439fSMahesh Rajashekhara u8 block_length[3]; 127b836439fSMahesh Rajashekhara } __attribute__((packed)) bd; 128b836439fSMahesh Rajashekhara u8 mpc_buf[3]; 129b836439fSMahesh Rajashekhara } __attribute__((packed)) aac_modep_data; 130b836439fSMahesh Rajashekhara 131b836439fSMahesh Rajashekhara /* MODE_SENSE_10 data format */ 132b836439fSMahesh Rajashekhara typedef struct { 133b836439fSMahesh Rajashekhara struct { 134b836439fSMahesh Rajashekhara u8 data_length[2]; 135b836439fSMahesh Rajashekhara u8 med_type; 136b836439fSMahesh Rajashekhara u8 dev_par; 137b836439fSMahesh Rajashekhara u8 rsrvd[2]; 138b836439fSMahesh Rajashekhara u8 bd_length[2]; 139b836439fSMahesh Rajashekhara } __attribute__((packed)) hd; 140b836439fSMahesh Rajashekhara struct { 141b836439fSMahesh Rajashekhara u8 dens_code; 142b836439fSMahesh Rajashekhara u8 block_count[3]; 143b836439fSMahesh Rajashekhara u8 reserved; 144b836439fSMahesh Rajashekhara u8 block_length[3]; 145b836439fSMahesh Rajashekhara } __attribute__((packed)) bd; 146b836439fSMahesh Rajashekhara u8 mpc_buf[3]; 147b836439fSMahesh Rajashekhara } __attribute__((packed)) aac_modep10_data; 148b836439fSMahesh Rajashekhara 1491da177e4SLinus Torvalds /*------------------------------------------------------------------------------ 1501da177e4SLinus Torvalds * S T R U C T S / T Y P E D E F S 1511da177e4SLinus Torvalds *----------------------------------------------------------------------------*/ 1521da177e4SLinus Torvalds /* SCSI inquiry data */ 1531da177e4SLinus Torvalds struct inquiry_data { 1541da177e4SLinus Torvalds u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ 1551da177e4SLinus Torvalds u8 inqd_dtq; /* RMB | Device Type Qualifier */ 1561da177e4SLinus Torvalds u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ 1571da177e4SLinus Torvalds u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ 1581da177e4SLinus Torvalds u8 inqd_len; /* Additional length (n-4) */ 1591da177e4SLinus Torvalds u8 inqd_pad1[2];/* Reserved - must be zero */ 1601da177e4SLinus Torvalds u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 1611da177e4SLinus Torvalds u8 inqd_vid[8]; /* Vendor ID */ 1621da177e4SLinus Torvalds u8 inqd_pid[16];/* Product ID */ 1631da177e4SLinus Torvalds u8 inqd_prl[4]; /* Product Revision Level */ 1641da177e4SLinus Torvalds }; 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvalds /* 1671da177e4SLinus Torvalds * M O D U L E G L O B A L S 1681da177e4SLinus Torvalds */ 1691da177e4SLinus Torvalds 1700b433447SMahesh Rajashekhara static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap); 1710b433447SMahesh Rajashekhara static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg); 1720b433447SMahesh Rajashekhara static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg); 1730b433447SMahesh Rajashekhara static long aac_build_sgraw2(struct scsi_cmnd *scsicmd, 1740b433447SMahesh Rajashekhara struct aac_raw_io2 *rio2, int sg_max); 1750b433447SMahesh Rajashekhara static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, 1760b433447SMahesh Rajashekhara int pages, int nseg, int nseg_new); 1771da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); 1781da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 1791da177e4SLinus Torvalds static char *aac_get_status_string(u32 status); 1801da177e4SLinus Torvalds #endif 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds /* 1831da177e4SLinus Torvalds * Non dasd selection is handled entirely in aachba now 1841da177e4SLinus Torvalds */ 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds static int nondasd = -1; 187d8e96507SLeubner, Achim static int aac_cache = 2; /* WCE=0 to avoid performance problems */ 1881da177e4SLinus Torvalds static int dacmode = -1; 1898ef22247SSalyzyn, Mark int aac_msi; 1901208bab5SSalyzyn, Mark int aac_commit = -1; 191404d9a90SMark Haverkamp int startup_timeout = 180; 192404d9a90SMark Haverkamp int aif_timeout = 120; 19311604612SMahesh Rajashekhara int aac_sync_mode; /* Only Sync. transfer - disabled */ 19485d22bbfSMahesh Rajashekhara int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */ 1951da177e4SLinus Torvalds 19611604612SMahesh Rajashekhara module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR); 19711604612SMahesh Rajashekhara MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode" 19811604612SMahesh Rajashekhara " 0=off, 1=on"); 19985d22bbfSMahesh Rajashekhara module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR); 20085d22bbfSMahesh Rajashekhara MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list" 20185d22bbfSMahesh Rajashekhara " 0=off, 1=on"); 2029a72f976SMark Haverkamp module_param(nondasd, int, S_IRUGO|S_IWUSR); 2038ef22247SSalyzyn, Mark MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices." 2048ef22247SSalyzyn, Mark " 0=off, 1=on"); 20595e852e1SSalyzyn, Mark module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR); 2068ef22247SSalyzyn, Mark MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n" 2078ef22247SSalyzyn, Mark "\tbit 0 - Disable FUA in WRITE SCSI commands\n" 2088ef22247SSalyzyn, Mark "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n" 209d8e96507SLeubner, Achim "\tbit 2 - Disable only if Battery is protecting Cache"); 2109a72f976SMark Haverkamp module_param(dacmode, int, S_IRUGO|S_IWUSR); 2118ef22247SSalyzyn, Mark MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC." 2128ef22247SSalyzyn, Mark " 0=off, 1=on"); 2131208bab5SSalyzyn, Mark module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); 2148ef22247SSalyzyn, Mark MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the" 2158ef22247SSalyzyn, Mark " adapter for foreign arrays.\n" 2168ef22247SSalyzyn, Mark "This is typically needed in systems that do not have a BIOS." 2178ef22247SSalyzyn, Mark " 0=off, 1=on"); 2188ef22247SSalyzyn, Mark module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR); 2198ef22247SSalyzyn, Mark MODULE_PARM_DESC(msi, "IRQ handling." 2208ef22247SSalyzyn, Mark " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)"); 221404d9a90SMark Haverkamp module_param(startup_timeout, int, S_IRUGO|S_IWUSR); 2228ef22247SSalyzyn, Mark MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for" 2238ef22247SSalyzyn, Mark " adapter to have it's kernel up and\n" 2248ef22247SSalyzyn, Mark "running. This is typically adjusted for large systems that do not" 2258ef22247SSalyzyn, Mark " have a BIOS."); 226404d9a90SMark Haverkamp module_param(aif_timeout, int, S_IRUGO|S_IWUSR); 2278ef22247SSalyzyn, Mark MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for" 2288ef22247SSalyzyn, Mark " applications to pick up AIFs before\n" 2298ef22247SSalyzyn, Mark "deregistering them. This is typically adjusted for heavily burdened" 2308ef22247SSalyzyn, Mark " systems."); 2311da177e4SLinus Torvalds 2327c00ffa3SMark Haverkamp int numacb = -1; 2337c00ffa3SMark Haverkamp module_param(numacb, int, S_IRUGO|S_IWUSR); 2348ef22247SSalyzyn, Mark MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control" 2358ef22247SSalyzyn, Mark " blocks (FIB) allocated. Valid values are 512 and down. Default is" 2368ef22247SSalyzyn, Mark " to use suggestion from Firmware."); 2377c00ffa3SMark Haverkamp 2387c00ffa3SMark Haverkamp int acbsize = -1; 2397c00ffa3SMark Haverkamp module_param(acbsize, int, S_IRUGO|S_IWUSR); 2408ef22247SSalyzyn, Mark MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)" 2418ef22247SSalyzyn, Mark " size. Valid values are 512, 2048, 4096 and 8192. Default is to use" 2428ef22247SSalyzyn, Mark " suggestion from Firmware."); 243653ba58dSMark Haverkamp 24429c97684SSalyzyn, Mark int update_interval = 30 * 60; 24529c97684SSalyzyn, Mark module_param(update_interval, int, S_IRUGO|S_IWUSR); 2468ef22247SSalyzyn, Mark MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync" 2478ef22247SSalyzyn, Mark " updates issued to adapter."); 24829c97684SSalyzyn, Mark 24929c97684SSalyzyn, Mark int check_interval = 24 * 60 * 60; 25029c97684SSalyzyn, Mark module_param(check_interval, int, S_IRUGO|S_IWUSR); 2518ef22247SSalyzyn, Mark MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health" 2528ef22247SSalyzyn, Mark " checks."); 25329c97684SSalyzyn, Mark 25487f3bda3SAndrew Morton int aac_check_reset = 1; 25587f3bda3SAndrew Morton module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR); 25695e7a8efSPaul Bolle MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the" 2578ef22247SSalyzyn, Mark " adapter. a value of -1 forces the reset to adapters programmed to" 2588ef22247SSalyzyn, Mark " ignore it."); 25929c97684SSalyzyn, Mark 260e37ee4beSMark Haverkamp int expose_physicals = -1; 261653ba58dSMark Haverkamp module_param(expose_physicals, int, S_IRUGO|S_IWUSR); 2628ef22247SSalyzyn, Mark MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays." 2638ef22247SSalyzyn, Mark " -1=protect 0=off, 1=on"); 26403d44337SMark Haverkamp 2658ef22247SSalyzyn, Mark int aac_reset_devices; 2661208bab5SSalyzyn, Mark module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR); 2671208bab5SSalyzyn, Mark MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization."); 26803d44337SMark Haverkamp 269d8e96507SLeubner, Achim int aac_wwn = 1; 270d8e96507SLeubner, Achim module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR); 271d8e96507SLeubner, Achim MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n" 272d8e96507SLeubner, Achim "\t0 - Disable\n" 273d8e96507SLeubner, Achim "\t1 - Array Meta Data Signature (default)\n" 274d8e96507SLeubner, Achim "\t2 - Adapter Serial Number"); 275d8e96507SLeubner, Achim 276d8e96507SLeubner, Achim 27703d44337SMark Haverkamp static inline int aac_valid_context(struct scsi_cmnd *scsicmd, 27803d44337SMark Haverkamp struct fib *fibptr) { 27903d44337SMark Haverkamp struct scsi_device *device; 28003d44337SMark Haverkamp 28103d44337SMark Haverkamp if (unlikely(!scsicmd || !scsicmd->scsi_done)) { 282c835e372SSalyzyn, Mark dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n")); 28303d44337SMark Haverkamp aac_fib_complete(fibptr); 28403d44337SMark Haverkamp aac_fib_free(fibptr); 28503d44337SMark Haverkamp return 0; 28603d44337SMark Haverkamp } 28703d44337SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; 28803d44337SMark Haverkamp device = scsicmd->device; 28903d44337SMark Haverkamp if (unlikely(!device || !scsi_device_online(device))) { 29003d44337SMark Haverkamp dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n")); 29103d44337SMark Haverkamp aac_fib_complete(fibptr); 29203d44337SMark Haverkamp aac_fib_free(fibptr); 29303d44337SMark Haverkamp return 0; 29403d44337SMark Haverkamp } 29503d44337SMark Haverkamp return 1; 29603d44337SMark Haverkamp } 29703d44337SMark Haverkamp 2981da177e4SLinus Torvalds /** 2991da177e4SLinus Torvalds * aac_get_config_status - check the adapter configuration 3001da177e4SLinus Torvalds * @common: adapter to query 3011da177e4SLinus Torvalds * 3021da177e4SLinus Torvalds * Query config status, and commit the configuration if needed. 3031da177e4SLinus Torvalds */ 3048c867b25SMark Haverkamp int aac_get_config_status(struct aac_dev *dev, int commit_flag) 3051da177e4SLinus Torvalds { 3061da177e4SLinus Torvalds int status = 0; 3071da177e4SLinus Torvalds struct fib * fibptr; 3081da177e4SLinus Torvalds 309bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev))) 3101da177e4SLinus Torvalds return -ENOMEM; 3111da177e4SLinus Torvalds 312bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 3131da177e4SLinus Torvalds { 3141da177e4SLinus Torvalds struct aac_get_config_status *dinfo; 3151da177e4SLinus Torvalds dinfo = (struct aac_get_config_status *) fib_data(fibptr); 3161da177e4SLinus Torvalds 3171da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 3181da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS); 3191da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data)); 3201da177e4SLinus Torvalds } 3211da177e4SLinus Torvalds 322bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand, 3231da177e4SLinus Torvalds fibptr, 3241da177e4SLinus Torvalds sizeof (struct aac_get_config_status), 3251da177e4SLinus Torvalds FsaNormal, 3261da177e4SLinus Torvalds 1, 1, 3271da177e4SLinus Torvalds NULL, NULL); 3281da177e4SLinus Torvalds if (status < 0) { 3291da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); 3301da177e4SLinus Torvalds } else { 3311da177e4SLinus Torvalds struct aac_get_config_status_resp *reply 3321da177e4SLinus Torvalds = (struct aac_get_config_status_resp *) fib_data(fibptr); 3331da177e4SLinus Torvalds dprintk((KERN_WARNING 3341da177e4SLinus Torvalds "aac_get_config_status: response=%d status=%d action=%d\n", 3351da177e4SLinus Torvalds le32_to_cpu(reply->response), 3361da177e4SLinus Torvalds le32_to_cpu(reply->status), 3371da177e4SLinus Torvalds le32_to_cpu(reply->data.action))); 3381da177e4SLinus Torvalds if ((le32_to_cpu(reply->response) != ST_OK) || 3391da177e4SLinus Torvalds (le32_to_cpu(reply->status) != CT_OK) || 3401da177e4SLinus Torvalds (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) { 3411da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n"); 3421da177e4SLinus Torvalds status = -EINVAL; 3431da177e4SLinus Torvalds } 3441da177e4SLinus Torvalds } 345cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* Do not set XferState to zero unless receives a response from F/W */ 346cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status >= 0) 347bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 348cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech 3491da177e4SLinus Torvalds /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ 3501da177e4SLinus Torvalds if (status >= 0) { 3511208bab5SSalyzyn, Mark if ((aac_commit == 1) || commit_flag) { 3521da177e4SLinus Torvalds struct aac_commit_config * dinfo; 353bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 3541da177e4SLinus Torvalds dinfo = (struct aac_commit_config *) fib_data(fibptr); 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 3571da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); 3581da177e4SLinus Torvalds 359bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand, 3601da177e4SLinus Torvalds fibptr, 3611da177e4SLinus Torvalds sizeof (struct aac_commit_config), 3621da177e4SLinus Torvalds FsaNormal, 3631da177e4SLinus Torvalds 1, 1, 3641da177e4SLinus Torvalds NULL, NULL); 365cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* Do not set XferState to zero unless 366cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * receives a response from F/W */ 367cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status >= 0) 368bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 3691208bab5SSalyzyn, Mark } else if (aac_commit == 0) { 3701da177e4SLinus Torvalds printk(KERN_WARNING 3711da177e4SLinus Torvalds "aac_get_config_status: Foreign device configurations are being ignored\n"); 3721da177e4SLinus Torvalds } 3731da177e4SLinus Torvalds } 374cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */ 375cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status != -ERESTARTSYS) 376bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 3771da177e4SLinus Torvalds return status; 3781da177e4SLinus Torvalds } 3791da177e4SLinus Torvalds 380e3cc268fSRajashekhara, Mahesh static void aac_expose_phy_device(struct scsi_cmnd *scsicmd) 381e3cc268fSRajashekhara, Mahesh { 382e3cc268fSRajashekhara, Mahesh char inq_data; 383e3cc268fSRajashekhara, Mahesh scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data)); 384e3cc268fSRajashekhara, Mahesh if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) { 385e3cc268fSRajashekhara, Mahesh inq_data &= 0xdf; 386e3cc268fSRajashekhara, Mahesh scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data)); 387e3cc268fSRajashekhara, Mahesh } 388e3cc268fSRajashekhara, Mahesh } 389e3cc268fSRajashekhara, Mahesh 3901da177e4SLinus Torvalds /** 3911da177e4SLinus Torvalds * aac_get_containers - list containers 3921da177e4SLinus Torvalds * @common: adapter to probe 3931da177e4SLinus Torvalds * 3941da177e4SLinus Torvalds * Make a list of all containers on this controller 3951da177e4SLinus Torvalds */ 3961da177e4SLinus Torvalds int aac_get_containers(struct aac_dev *dev) 3971da177e4SLinus Torvalds { 3981da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 3991da177e4SLinus Torvalds u32 index; 4001da177e4SLinus Torvalds int status = 0; 4011da177e4SLinus Torvalds struct fib * fibptr; 4021da177e4SLinus Torvalds struct aac_get_container_count *dinfo; 4031da177e4SLinus Torvalds struct aac_get_container_count_resp *dresp; 4041da177e4SLinus Torvalds int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 4051da177e4SLinus Torvalds 406bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev))) 4071da177e4SLinus Torvalds return -ENOMEM; 4081da177e4SLinus Torvalds 409bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 4101da177e4SLinus Torvalds dinfo = (struct aac_get_container_count *) fib_data(fibptr); 4111da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 4121da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT); 4131da177e4SLinus Torvalds 414bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand, 4151da177e4SLinus Torvalds fibptr, 4161da177e4SLinus Torvalds sizeof (struct aac_get_container_count), 4171da177e4SLinus Torvalds FsaNormal, 4181da177e4SLinus Torvalds 1, 1, 4191da177e4SLinus Torvalds NULL, NULL); 4201da177e4SLinus Torvalds if (status >= 0) { 4211da177e4SLinus Torvalds dresp = (struct aac_get_container_count_resp *)fib_data(fibptr); 4221da177e4SLinus Torvalds maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries); 423bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 4241da177e4SLinus Torvalds } 425cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */ 426cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status != -ERESTARTSYS) 427fe76df42SMark Haverkamp aac_fib_free(fibptr); 4281da177e4SLinus Torvalds 4291da177e4SLinus Torvalds if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) 4301da177e4SLinus Torvalds maximum_num_containers = MAXIMUM_NUM_CONTAINERS; 4311a655040SSalyzyn, Mark fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers, 432fe76df42SMark Haverkamp GFP_KERNEL); 433fe76df42SMark Haverkamp if (!fsa_dev_ptr) 4341da177e4SLinus Torvalds return -ENOMEM; 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds dev->fsa_dev = fsa_dev_ptr; 4371da177e4SLinus Torvalds dev->maximum_num_containers = maximum_num_containers; 4381da177e4SLinus Torvalds 439fe76df42SMark Haverkamp for (index = 0; index < dev->maximum_num_containers; ) { 4401da177e4SLinus Torvalds fsa_dev_ptr[index].devname[0] = '\0'; 4411da177e4SLinus Torvalds 442fe76df42SMark Haverkamp status = aac_probe_container(dev, index); 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds if (status < 0) { 4451da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); 4461da177e4SLinus Torvalds break; 4471da177e4SLinus Torvalds } 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds /* 4501da177e4SLinus Torvalds * If there are no more containers, then stop asking. 4511da177e4SLinus Torvalds */ 452fe76df42SMark Haverkamp if (++index >= status) 4531da177e4SLinus Torvalds break; 4541da177e4SLinus Torvalds } 4551da177e4SLinus Torvalds return status; 4561da177e4SLinus Torvalds } 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds static void get_container_name_callback(void *context, struct fib * fibptr) 4591da177e4SLinus Torvalds { 4601da177e4SLinus Torvalds struct aac_get_name_resp * get_name_reply; 4611da177e4SLinus Torvalds struct scsi_cmnd * scsicmd; 4621da177e4SLinus Torvalds 4631da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 4641da177e4SLinus Torvalds 46503d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr)) 46603d44337SMark Haverkamp return; 46703d44337SMark Haverkamp 4681da177e4SLinus Torvalds dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); 469125e1874SEric Sesterhenn BUG_ON(fibptr == NULL); 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr); 4721da177e4SLinus Torvalds /* Failure is irrelevant, using default value instead */ 4731da177e4SLinus Torvalds if ((le32_to_cpu(get_name_reply->status) == CT_OK) 4741da177e4SLinus Torvalds && (get_name_reply->data[0] != '\0')) { 4751da177e4SLinus Torvalds char *sp = get_name_reply->data; 476b836439fSMahesh Rajashekhara sp[sizeof(((struct aac_get_name_resp *)NULL)->data)] = '\0'; 4771da177e4SLinus Torvalds while (*sp == ' ') 4781da177e4SLinus Torvalds ++sp; 4793b2946ccSMark Haverkamp if (*sp) { 480d4345028SFUJITA Tomonori struct inquiry_data inq; 4813b2946ccSMark Haverkamp char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; 4823b2946ccSMark Haverkamp int count = sizeof(d); 4833b2946ccSMark Haverkamp char *dp = d; 4843b2946ccSMark Haverkamp do { 4851da177e4SLinus Torvalds *dp++ = (*sp) ? *sp++ : ' '; 4861da177e4SLinus Torvalds } while (--count > 0); 487d4345028SFUJITA Tomonori 488d4345028SFUJITA Tomonori scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq)); 489d4345028SFUJITA Tomonori memcpy(inq.inqd_pid, d, sizeof(d)); 490d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq)); 4911da177e4SLinus Torvalds } 4923b2946ccSMark Haverkamp } 4933b2946ccSMark Haverkamp 4941da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 4951da177e4SLinus Torvalds 496bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 497bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 4988e0c5ebdSMark Haverkamp scsicmd->scsi_done(scsicmd); 4991da177e4SLinus Torvalds } 5001da177e4SLinus Torvalds 5011da177e4SLinus Torvalds /** 5021da177e4SLinus Torvalds * aac_get_container_name - get container name, none blocking. 5031da177e4SLinus Torvalds */ 5049e7c349cSMark Haverkamp static int aac_get_container_name(struct scsi_cmnd * scsicmd) 5051da177e4SLinus Torvalds { 5061da177e4SLinus Torvalds int status; 5071da177e4SLinus Torvalds struct aac_get_name *dinfo; 5081da177e4SLinus Torvalds struct fib * cmd_fibcontext; 5091da177e4SLinus Torvalds struct aac_dev * dev; 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 5121da177e4SLinus Torvalds 513bfb35aa8SMark Haverkamp if (!(cmd_fibcontext = aac_fib_alloc(dev))) 5141da177e4SLinus Torvalds return -ENOMEM; 5151da177e4SLinus Torvalds 516bfb35aa8SMark Haverkamp aac_fib_init(cmd_fibcontext); 5171da177e4SLinus Torvalds dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig); 5201da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_READ_NAME); 5219e7c349cSMark Haverkamp dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); 5221da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); 5231da177e4SLinus Torvalds 524bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand, 5251da177e4SLinus Torvalds cmd_fibcontext, 5261da177e4SLinus Torvalds sizeof (struct aac_get_name), 5271da177e4SLinus Torvalds FsaNormal, 5281da177e4SLinus Torvalds 0, 1, 5291da177e4SLinus Torvalds (fib_callback)get_container_name_callback, 5301da177e4SLinus Torvalds (void *) scsicmd); 5311da177e4SLinus Torvalds 5321da177e4SLinus Torvalds /* 5331da177e4SLinus Torvalds * Check that the command queued to the controller 5341da177e4SLinus Torvalds */ 53577d644d4SMark Haverkamp if (status == -EINPROGRESS) { 53677d644d4SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 5371da177e4SLinus Torvalds return 0; 53877d644d4SMark Haverkamp } 5391da177e4SLinus Torvalds 540bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); 541bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext); 542bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext); 5431da177e4SLinus Torvalds return -1; 5441da177e4SLinus Torvalds } 5451da177e4SLinus Torvalds 546fe76df42SMark Haverkamp static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd) 547fe76df42SMark Haverkamp { 548fe76df42SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev; 549fe76df42SMark Haverkamp 5501a655040SSalyzyn, Mark if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1)) 551fe76df42SMark Haverkamp return aac_scsi_cmd(scsicmd); 552fe76df42SMark Haverkamp 553fe76df42SMark Haverkamp scsicmd->result = DID_NO_CONNECT << 16; 554fe76df42SMark Haverkamp scsicmd->scsi_done(scsicmd); 555fe76df42SMark Haverkamp return 0; 556fe76df42SMark Haverkamp } 557fe76df42SMark Haverkamp 5581a655040SSalyzyn, Mark static void _aac_probe_container2(void * context, struct fib * fibptr) 559fe76df42SMark Haverkamp { 56003d44337SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr; 561fe76df42SMark Haverkamp int (*callback)(struct scsi_cmnd *); 56203d44337SMark Haverkamp struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context; 56303d44337SMark Haverkamp 56403d44337SMark Haverkamp 5651a655040SSalyzyn, Mark if (!aac_valid_context(scsicmd, fibptr)) 5661a655040SSalyzyn, Mark return; 567fe76df42SMark Haverkamp 568fe76df42SMark Haverkamp scsicmd->SCp.Status = 0; 5691a655040SSalyzyn, Mark fsa_dev_ptr = fibptr->dev->fsa_dev; 570fe76df42SMark Haverkamp if (fsa_dev_ptr) { 571fe76df42SMark Haverkamp struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr); 572fe76df42SMark Haverkamp fsa_dev_ptr += scmd_id(scsicmd); 573fe76df42SMark Haverkamp 574fe76df42SMark Haverkamp if ((le32_to_cpu(dresp->status) == ST_OK) && 575fe76df42SMark Haverkamp (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) && 576fe76df42SMark Haverkamp (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) { 577b836439fSMahesh Rajashekhara if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 & 578b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE)) { 579b836439fSMahesh Rajashekhara dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200; 580b836439fSMahesh Rajashekhara fsa_dev_ptr->block_size = 0x200; 581b836439fSMahesh Rajashekhara } else { 582b836439fSMahesh Rajashekhara fsa_dev_ptr->block_size = 583b836439fSMahesh Rajashekhara le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size); 584b836439fSMahesh Rajashekhara } 585fe76df42SMark Haverkamp fsa_dev_ptr->valid = 1; 586655d722cSMark Salyzyn /* sense_key holds the current state of the spin-up */ 587655d722cSMark Salyzyn if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY)) 588655d722cSMark Salyzyn fsa_dev_ptr->sense_data.sense_key = NOT_READY; 589655d722cSMark Salyzyn else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY) 590655d722cSMark Salyzyn fsa_dev_ptr->sense_data.sense_key = NO_SENSE; 591fe76df42SMark Haverkamp fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol); 592fe76df42SMark Haverkamp fsa_dev_ptr->size 593fe76df42SMark Haverkamp = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) + 594fe76df42SMark Haverkamp (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32); 595fe76df42SMark Haverkamp fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0); 596fe76df42SMark Haverkamp } 597fe76df42SMark Haverkamp if ((fsa_dev_ptr->valid & 1) == 0) 598fe76df42SMark Haverkamp fsa_dev_ptr->valid = 0; 599fe76df42SMark Haverkamp scsicmd->SCp.Status = le32_to_cpu(dresp->count); 600fe76df42SMark Haverkamp } 601fe76df42SMark Haverkamp aac_fib_complete(fibptr); 602fe76df42SMark Haverkamp aac_fib_free(fibptr); 603fe76df42SMark Haverkamp callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr); 604fe76df42SMark Haverkamp scsicmd->SCp.ptr = NULL; 6051a655040SSalyzyn, Mark (*callback)(scsicmd); 6061a655040SSalyzyn, Mark return; 607fe76df42SMark Haverkamp } 608fe76df42SMark Haverkamp 6091a655040SSalyzyn, Mark static void _aac_probe_container1(void * context, struct fib * fibptr) 610fe76df42SMark Haverkamp { 611fe76df42SMark Haverkamp struct scsi_cmnd * scsicmd; 612fe76df42SMark Haverkamp struct aac_mount * dresp; 613fe76df42SMark Haverkamp struct aac_query_mount *dinfo; 614fe76df42SMark Haverkamp int status; 615fe76df42SMark Haverkamp 616fe76df42SMark Haverkamp dresp = (struct aac_mount *) fib_data(fibptr); 617b836439fSMahesh Rajashekhara if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 & 618b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE)) 619fe76df42SMark Haverkamp dresp->mnt[0].capacityhigh = 0; 620fe76df42SMark Haverkamp if ((le32_to_cpu(dresp->status) != ST_OK) || 6211a655040SSalyzyn, Mark (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) { 6221a655040SSalyzyn, Mark _aac_probe_container2(context, fibptr); 6231a655040SSalyzyn, Mark return; 6241a655040SSalyzyn, Mark } 625fe76df42SMark Haverkamp scsicmd = (struct scsi_cmnd *) context; 626fe76df42SMark Haverkamp 62703d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr)) 6281a655040SSalyzyn, Mark return; 62903d44337SMark Haverkamp 630fe76df42SMark Haverkamp aac_fib_init(fibptr); 631fe76df42SMark Haverkamp 632fe76df42SMark Haverkamp dinfo = (struct aac_query_mount *)fib_data(fibptr); 633fe76df42SMark Haverkamp 634b836439fSMahesh Rajashekhara if (fibptr->dev->supplement_adapter_info.SupportedOptions2 & 635b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE) 636b836439fSMahesh Rajashekhara dinfo->command = cpu_to_le32(VM_NameServeAllBlk); 637b836439fSMahesh Rajashekhara else 638fe76df42SMark Haverkamp dinfo->command = cpu_to_le32(VM_NameServe64); 639b836439fSMahesh Rajashekhara 640fe76df42SMark Haverkamp dinfo->count = cpu_to_le32(scmd_id(scsicmd)); 641fe76df42SMark Haverkamp dinfo->type = cpu_to_le32(FT_FILESYS); 642fe76df42SMark Haverkamp 643fe76df42SMark Haverkamp status = aac_fib_send(ContainerCommand, 644fe76df42SMark Haverkamp fibptr, 645fe76df42SMark Haverkamp sizeof(struct aac_query_mount), 646fe76df42SMark Haverkamp FsaNormal, 647fe76df42SMark Haverkamp 0, 1, 6481a655040SSalyzyn, Mark _aac_probe_container2, 649fe76df42SMark Haverkamp (void *) scsicmd); 650fe76df42SMark Haverkamp /* 651fe76df42SMark Haverkamp * Check that the command queued to the controller 652fe76df42SMark Haverkamp */ 6531a655040SSalyzyn, Mark if (status == -EINPROGRESS) 654fe76df42SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 6551a655040SSalyzyn, Mark else if (status < 0) { 656fe76df42SMark Haverkamp /* Inherit results from VM_NameServe, if any */ 657fe76df42SMark Haverkamp dresp->status = cpu_to_le32(ST_OK); 6581a655040SSalyzyn, Mark _aac_probe_container2(context, fibptr); 659fe76df42SMark Haverkamp } 660fe76df42SMark Haverkamp } 661fe76df42SMark Haverkamp 662fe76df42SMark Haverkamp static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *)) 663fe76df42SMark Haverkamp { 664fe76df42SMark Haverkamp struct fib * fibptr; 665fe76df42SMark Haverkamp int status = -ENOMEM; 666fe76df42SMark Haverkamp 667fe76df42SMark Haverkamp if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) { 668fe76df42SMark Haverkamp struct aac_query_mount *dinfo; 669fe76df42SMark Haverkamp 670fe76df42SMark Haverkamp aac_fib_init(fibptr); 671fe76df42SMark Haverkamp 672fe76df42SMark Haverkamp dinfo = (struct aac_query_mount *)fib_data(fibptr); 673fe76df42SMark Haverkamp 674b836439fSMahesh Rajashekhara if (fibptr->dev->supplement_adapter_info.SupportedOptions2 & 675b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE) 676b836439fSMahesh Rajashekhara dinfo->command = cpu_to_le32(VM_NameServeAllBlk); 677b836439fSMahesh Rajashekhara else 678fe76df42SMark Haverkamp dinfo->command = cpu_to_le32(VM_NameServe); 679b836439fSMahesh Rajashekhara 680fe76df42SMark Haverkamp dinfo->count = cpu_to_le32(scmd_id(scsicmd)); 681fe76df42SMark Haverkamp dinfo->type = cpu_to_le32(FT_FILESYS); 682fe76df42SMark Haverkamp scsicmd->SCp.ptr = (char *)callback; 683fe76df42SMark Haverkamp 684fe76df42SMark Haverkamp status = aac_fib_send(ContainerCommand, 685fe76df42SMark Haverkamp fibptr, 686fe76df42SMark Haverkamp sizeof(struct aac_query_mount), 687fe76df42SMark Haverkamp FsaNormal, 688fe76df42SMark Haverkamp 0, 1, 6891a655040SSalyzyn, Mark _aac_probe_container1, 690fe76df42SMark Haverkamp (void *) scsicmd); 691fe76df42SMark Haverkamp /* 692fe76df42SMark Haverkamp * Check that the command queued to the controller 693fe76df42SMark Haverkamp */ 694fe76df42SMark Haverkamp if (status == -EINPROGRESS) { 695fe76df42SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 696fe76df42SMark Haverkamp return 0; 697fe76df42SMark Haverkamp } 698fe76df42SMark Haverkamp if (status < 0) { 699fe76df42SMark Haverkamp scsicmd->SCp.ptr = NULL; 700fe76df42SMark Haverkamp aac_fib_complete(fibptr); 701fe76df42SMark Haverkamp aac_fib_free(fibptr); 702fe76df42SMark Haverkamp } 703fe76df42SMark Haverkamp } 704fe76df42SMark Haverkamp if (status < 0) { 705fe76df42SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev; 706fe76df42SMark Haverkamp if (fsa_dev_ptr) { 707fe76df42SMark Haverkamp fsa_dev_ptr += scmd_id(scsicmd); 708fe76df42SMark Haverkamp if ((fsa_dev_ptr->valid & 1) == 0) { 709fe76df42SMark Haverkamp fsa_dev_ptr->valid = 0; 710fe76df42SMark Haverkamp return (*callback)(scsicmd); 711fe76df42SMark Haverkamp } 712fe76df42SMark Haverkamp } 713fe76df42SMark Haverkamp } 714fe76df42SMark Haverkamp return status; 715fe76df42SMark Haverkamp } 716fe76df42SMark Haverkamp 7171da177e4SLinus Torvalds /** 718bfb35aa8SMark Haverkamp * aac_probe_container - query a logical volume 7191da177e4SLinus Torvalds * @dev: device to query 7201da177e4SLinus Torvalds * @cid: container identifier 7211da177e4SLinus Torvalds * 7221da177e4SLinus Torvalds * Queries the controller about the given volume. The volume information 7231da177e4SLinus Torvalds * is updated in the struct fsa_dev_info structure rather than returned. 7241da177e4SLinus Torvalds */ 725fe76df42SMark Haverkamp static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd) 726fe76df42SMark Haverkamp { 727fe76df42SMark Haverkamp scsicmd->device = NULL; 728fe76df42SMark Haverkamp return 0; 729fe76df42SMark Haverkamp } 7301da177e4SLinus Torvalds 731bfb35aa8SMark Haverkamp int aac_probe_container(struct aac_dev *dev, int cid) 7321da177e4SLinus Torvalds { 733fe76df42SMark Haverkamp struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL); 734fe76df42SMark Haverkamp struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL); 7351da177e4SLinus Torvalds int status; 7361da177e4SLinus Torvalds 737fe76df42SMark Haverkamp if (!scsicmd || !scsidev) { 738fe76df42SMark Haverkamp kfree(scsicmd); 739fe76df42SMark Haverkamp kfree(scsidev); 74090ee3466SMark Haverkamp return -ENOMEM; 7411da177e4SLinus Torvalds } 742fe76df42SMark Haverkamp scsicmd->list.next = NULL; 7431a655040SSalyzyn, Mark scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1; 7441da177e4SLinus Torvalds 745fe76df42SMark Haverkamp scsicmd->device = scsidev; 746fe76df42SMark Haverkamp scsidev->sdev_state = 0; 747fe76df42SMark Haverkamp scsidev->id = cid; 748fe76df42SMark Haverkamp scsidev->host = dev->scsi_host_ptr; 7491da177e4SLinus Torvalds 750fe76df42SMark Haverkamp if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0) 751fe76df42SMark Haverkamp while (scsicmd->device == scsidev) 752fe76df42SMark Haverkamp schedule(); 753802ae2f0SSalyzyn, Mark kfree(scsidev); 754fe76df42SMark Haverkamp status = scsicmd->SCp.Status; 755fe76df42SMark Haverkamp kfree(scsicmd); 7561da177e4SLinus Torvalds return status; 7571da177e4SLinus Torvalds } 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvalds /* Local Structure to set SCSI inquiry data strings */ 7601da177e4SLinus Torvalds struct scsi_inq { 7611da177e4SLinus Torvalds char vid[8]; /* Vendor ID */ 7621da177e4SLinus Torvalds char pid[16]; /* Product ID */ 7631da177e4SLinus Torvalds char prl[4]; /* Product Revision Level */ 7641da177e4SLinus Torvalds }; 7651da177e4SLinus Torvalds 7661da177e4SLinus Torvalds /** 7671da177e4SLinus Torvalds * InqStrCopy - string merge 7681da177e4SLinus Torvalds * @a: string to copy from 7691da177e4SLinus Torvalds * @b: string to copy to 7701da177e4SLinus Torvalds * 7711da177e4SLinus Torvalds * Copy a String from one location to another 7721da177e4SLinus Torvalds * without copying \0 7731da177e4SLinus Torvalds */ 7741da177e4SLinus Torvalds 7751da177e4SLinus Torvalds static void inqstrcpy(char *a, char *b) 7761da177e4SLinus Torvalds { 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds while (*a != (char)0) 7791da177e4SLinus Torvalds *b++ = *a++; 7801da177e4SLinus Torvalds } 7811da177e4SLinus Torvalds 7821da177e4SLinus Torvalds static char *container_types[] = { 7831da177e4SLinus Torvalds "None", 7841da177e4SLinus Torvalds "Volume", 7851da177e4SLinus Torvalds "Mirror", 7861da177e4SLinus Torvalds "Stripe", 7871da177e4SLinus Torvalds "RAID5", 7881da177e4SLinus Torvalds "SSRW", 7891da177e4SLinus Torvalds "SSRO", 7901da177e4SLinus Torvalds "Morph", 7911da177e4SLinus Torvalds "Legacy", 7921da177e4SLinus Torvalds "RAID4", 7931da177e4SLinus Torvalds "RAID10", 7941da177e4SLinus Torvalds "RAID00", 7951da177e4SLinus Torvalds "V-MIRRORS", 7961da177e4SLinus Torvalds "PSEUDO R4", 7971da177e4SLinus Torvalds "RAID50", 79884971738SMark Haverkamp "RAID5D", 79984971738SMark Haverkamp "RAID5D0", 80084971738SMark Haverkamp "RAID1E", 80184971738SMark Haverkamp "RAID6", 80284971738SMark Haverkamp "RAID60", 8031da177e4SLinus Torvalds "Unknown" 8041da177e4SLinus Torvalds }; 8051da177e4SLinus Torvalds 80617eaaceeSSalyzyn, Mark char * get_container_type(unsigned tindex) 80717eaaceeSSalyzyn, Mark { 80817eaaceeSSalyzyn, Mark if (tindex >= ARRAY_SIZE(container_types)) 80917eaaceeSSalyzyn, Mark tindex = ARRAY_SIZE(container_types) - 1; 81017eaaceeSSalyzyn, Mark return container_types[tindex]; 81117eaaceeSSalyzyn, Mark } 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvalds /* Function: setinqstr 8141da177e4SLinus Torvalds * 8151da177e4SLinus Torvalds * Arguments: [1] pointer to void [1] int 8161da177e4SLinus Torvalds * 8171da177e4SLinus Torvalds * Purpose: Sets SCSI inquiry data strings for vendor, product 81825985edcSLucas De Marchi * and revision level. Allows strings to be set in platform dependent 81925985edcSLucas De Marchi * files instead of in OS dependent driver source. 8201da177e4SLinus Torvalds */ 8211da177e4SLinus Torvalds 822794d0601SMark Haverkamp static void setinqstr(struct aac_dev *dev, void *data, int tindex) 8231da177e4SLinus Torvalds { 8241da177e4SLinus Torvalds struct scsi_inq *str; 8251da177e4SLinus Torvalds 8261da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ 827794d0601SMark Haverkamp memset(str, ' ', sizeof(*str)); 828794d0601SMark Haverkamp 829794d0601SMark Haverkamp if (dev->supplement_adapter_info.AdapterTypeText[0]) { 830794d0601SMark Haverkamp char * cp = dev->supplement_adapter_info.AdapterTypeText; 8313bc8070fSSalyzyn, Mark int c; 8323bc8070fSSalyzyn, Mark if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C')) 8333bc8070fSSalyzyn, Mark inqstrcpy("SMC", str->vid); 8343bc8070fSSalyzyn, Mark else { 8353bc8070fSSalyzyn, Mark c = sizeof(str->vid); 836794d0601SMark Haverkamp while (*cp && *cp != ' ' && --c) 837794d0601SMark Haverkamp ++cp; 838794d0601SMark Haverkamp c = *cp; 839794d0601SMark Haverkamp *cp = '\0'; 840794d0601SMark Haverkamp inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, 841794d0601SMark Haverkamp str->vid); 842794d0601SMark Haverkamp *cp = c; 843794d0601SMark Haverkamp while (*cp && *cp != ' ') 844794d0601SMark Haverkamp ++cp; 8453bc8070fSSalyzyn, Mark } 846794d0601SMark Haverkamp while (*cp == ' ') 847794d0601SMark Haverkamp ++cp; 848794d0601SMark Haverkamp /* last six chars reserved for vol type */ 849794d0601SMark Haverkamp c = 0; 850794d0601SMark Haverkamp if (strlen(cp) > sizeof(str->pid)) { 851794d0601SMark Haverkamp c = cp[sizeof(str->pid)]; 852794d0601SMark Haverkamp cp[sizeof(str->pid)] = '\0'; 853794d0601SMark Haverkamp } 854794d0601SMark Haverkamp inqstrcpy (cp, str->pid); 855794d0601SMark Haverkamp if (c) 856794d0601SMark Haverkamp cp[sizeof(str->pid)] = c; 857794d0601SMark Haverkamp } else { 858794d0601SMark Haverkamp struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype); 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid); 861794d0601SMark Haverkamp /* last six chars reserved for vol type */ 862794d0601SMark Haverkamp inqstrcpy (mp->model, str->pid); 863794d0601SMark Haverkamp } 8641da177e4SLinus Torvalds 8656391a113STobias Klauser if (tindex < ARRAY_SIZE(container_types)){ 8661da177e4SLinus Torvalds char *findit = str->pid; 8671da177e4SLinus Torvalds 8681da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */ 8691da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */ 8701da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0) 8711da177e4SLinus Torvalds *(findit -= 4) = ' '; 872794d0601SMark Haverkamp if (((findit - str->pid) + strlen(container_types[tindex])) 873794d0601SMark Haverkamp < (sizeof(str->pid) + sizeof(str->prl))) 8741da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1); 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl); 8771da177e4SLinus Torvalds } 8781da177e4SLinus Torvalds 87988e2f98eSSalyzyn, Mark static void get_container_serial_callback(void *context, struct fib * fibptr) 88088e2f98eSSalyzyn, Mark { 88188e2f98eSSalyzyn, Mark struct aac_get_serial_resp * get_serial_reply; 88288e2f98eSSalyzyn, Mark struct scsi_cmnd * scsicmd; 88388e2f98eSSalyzyn, Mark 88488e2f98eSSalyzyn, Mark BUG_ON(fibptr == NULL); 88588e2f98eSSalyzyn, Mark 88688e2f98eSSalyzyn, Mark scsicmd = (struct scsi_cmnd *) context; 88788e2f98eSSalyzyn, Mark if (!aac_valid_context(scsicmd, fibptr)) 88888e2f98eSSalyzyn, Mark return; 88988e2f98eSSalyzyn, Mark 89088e2f98eSSalyzyn, Mark get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr); 89188e2f98eSSalyzyn, Mark /* Failure is irrelevant, using default value instead */ 89288e2f98eSSalyzyn, Mark if (le32_to_cpu(get_serial_reply->status) == CT_OK) { 89388e2f98eSSalyzyn, Mark char sp[13]; 89488e2f98eSSalyzyn, Mark /* EVPD bit set */ 89588e2f98eSSalyzyn, Mark sp[0] = INQD_PDT_DA; 89688e2f98eSSalyzyn, Mark sp[1] = scsicmd->cmnd[2]; 89788e2f98eSSalyzyn, Mark sp[2] = 0; 89888e2f98eSSalyzyn, Mark sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X", 89988e2f98eSSalyzyn, Mark le32_to_cpu(get_serial_reply->uid)); 900d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp)); 90188e2f98eSSalyzyn, Mark } 90288e2f98eSSalyzyn, Mark 90388e2f98eSSalyzyn, Mark scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 90488e2f98eSSalyzyn, Mark 90588e2f98eSSalyzyn, Mark aac_fib_complete(fibptr); 90688e2f98eSSalyzyn, Mark aac_fib_free(fibptr); 90788e2f98eSSalyzyn, Mark scsicmd->scsi_done(scsicmd); 90888e2f98eSSalyzyn, Mark } 90988e2f98eSSalyzyn, Mark 91088e2f98eSSalyzyn, Mark /** 91188e2f98eSSalyzyn, Mark * aac_get_container_serial - get container serial, none blocking. 91288e2f98eSSalyzyn, Mark */ 91388e2f98eSSalyzyn, Mark static int aac_get_container_serial(struct scsi_cmnd * scsicmd) 91488e2f98eSSalyzyn, Mark { 91588e2f98eSSalyzyn, Mark int status; 91688e2f98eSSalyzyn, Mark struct aac_get_serial *dinfo; 91788e2f98eSSalyzyn, Mark struct fib * cmd_fibcontext; 91888e2f98eSSalyzyn, Mark struct aac_dev * dev; 91988e2f98eSSalyzyn, Mark 92088e2f98eSSalyzyn, Mark dev = (struct aac_dev *)scsicmd->device->host->hostdata; 92188e2f98eSSalyzyn, Mark 92288e2f98eSSalyzyn, Mark if (!(cmd_fibcontext = aac_fib_alloc(dev))) 92388e2f98eSSalyzyn, Mark return -ENOMEM; 92488e2f98eSSalyzyn, Mark 92588e2f98eSSalyzyn, Mark aac_fib_init(cmd_fibcontext); 92688e2f98eSSalyzyn, Mark dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext); 92788e2f98eSSalyzyn, Mark 92888e2f98eSSalyzyn, Mark dinfo->command = cpu_to_le32(VM_ContainerConfig); 92988e2f98eSSalyzyn, Mark dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); 93088e2f98eSSalyzyn, Mark dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); 93188e2f98eSSalyzyn, Mark 93288e2f98eSSalyzyn, Mark status = aac_fib_send(ContainerCommand, 93388e2f98eSSalyzyn, Mark cmd_fibcontext, 93488e2f98eSSalyzyn, Mark sizeof (struct aac_get_serial), 93588e2f98eSSalyzyn, Mark FsaNormal, 93688e2f98eSSalyzyn, Mark 0, 1, 93788e2f98eSSalyzyn, Mark (fib_callback) get_container_serial_callback, 93888e2f98eSSalyzyn, Mark (void *) scsicmd); 93988e2f98eSSalyzyn, Mark 94088e2f98eSSalyzyn, Mark /* 94188e2f98eSSalyzyn, Mark * Check that the command queued to the controller 94288e2f98eSSalyzyn, Mark */ 94388e2f98eSSalyzyn, Mark if (status == -EINPROGRESS) { 94488e2f98eSSalyzyn, Mark scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 94588e2f98eSSalyzyn, Mark return 0; 94688e2f98eSSalyzyn, Mark } 94788e2f98eSSalyzyn, Mark 94888e2f98eSSalyzyn, Mark printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); 94988e2f98eSSalyzyn, Mark aac_fib_complete(cmd_fibcontext); 95088e2f98eSSalyzyn, Mark aac_fib_free(cmd_fibcontext); 95188e2f98eSSalyzyn, Mark return -1; 95288e2f98eSSalyzyn, Mark } 95388e2f98eSSalyzyn, Mark 95488e2f98eSSalyzyn, Mark /* Function: setinqserial 95588e2f98eSSalyzyn, Mark * 95688e2f98eSSalyzyn, Mark * Arguments: [1] pointer to void [1] int 95788e2f98eSSalyzyn, Mark * 95888e2f98eSSalyzyn, Mark * Purpose: Sets SCSI Unit Serial number. 95988e2f98eSSalyzyn, Mark * This is a fake. We should read a proper 96088e2f98eSSalyzyn, Mark * serial number from the container. <SuSE>But 96188e2f98eSSalyzyn, Mark * without docs it's quite hard to do it :-) 96288e2f98eSSalyzyn, Mark * So this will have to do in the meantime.</SuSE> 96388e2f98eSSalyzyn, Mark */ 96488e2f98eSSalyzyn, Mark 96588e2f98eSSalyzyn, Mark static int setinqserial(struct aac_dev *dev, void *data, int cid) 96688e2f98eSSalyzyn, Mark { 96788e2f98eSSalyzyn, Mark /* 96888e2f98eSSalyzyn, Mark * This breaks array migration. 96988e2f98eSSalyzyn, Mark */ 97088e2f98eSSalyzyn, Mark return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X", 97188e2f98eSSalyzyn, Mark le32_to_cpu(dev->adapter_info.serial[0]), cid); 97288e2f98eSSalyzyn, Mark } 97388e2f98eSSalyzyn, Mark 9748e31e607SSalyzyn, Mark static inline void set_sense(struct sense_data *sense_data, u8 sense_key, 9758e31e607SSalyzyn, Mark u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer) 9761da177e4SLinus Torvalds { 9778e31e607SSalyzyn, Mark u8 *sense_buf = (u8 *)sense_data; 9788e31e607SSalyzyn, Mark /* Sense data valid, err code 70h */ 9798e31e607SSalyzyn, Mark sense_buf[0] = 0x70; /* No info field */ 9801da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */ 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */ 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */ 9851da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */ 9868e31e607SSalyzyn, Mark 9871da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) { 9888e31e607SSalyzyn, Mark sense_buf[7] = 10; /* Additional sense length */ 9891da177e4SLinus Torvalds 9908e31e607SSalyzyn, Mark sense_buf[15] = bit_pointer; 9911da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */ 9921da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD) 9938e31e607SSalyzyn, Mark sense_buf[15] |= 0xc0;/* Std sense key specific field */ 9941da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */ 9951da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */ 9961da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */ 9978e31e607SSalyzyn, Mark } else 9988e31e607SSalyzyn, Mark sense_buf[7] = 6; /* Additional sense length */ 9991da177e4SLinus Torvalds } 10001da177e4SLinus Torvalds 1001e8f32de5SMark Haverkamp static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) 1002e8f32de5SMark Haverkamp { 1003e8f32de5SMark Haverkamp if (lba & 0xffffffff00000000LL) { 1004e8f32de5SMark Haverkamp int cid = scmd_id(cmd); 1005e8f32de5SMark Haverkamp dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); 1006e8f32de5SMark Haverkamp cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1007e8f32de5SMark Haverkamp SAM_STAT_CHECK_CONDITION; 10088e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 10098e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, 10108e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); 1011e8f32de5SMark Haverkamp memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 10123ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 10133ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE)); 1014e8f32de5SMark Haverkamp cmd->scsi_done(cmd); 1015e8f32de5SMark Haverkamp return 1; 1016e8f32de5SMark Haverkamp } 1017e8f32de5SMark Haverkamp return 0; 1018e8f32de5SMark Haverkamp } 1019e8f32de5SMark Haverkamp 1020e8f32de5SMark Haverkamp static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) 1021e8f32de5SMark Haverkamp { 1022e8f32de5SMark Haverkamp return 0; 1023e8f32de5SMark Haverkamp } 1024e8f32de5SMark Haverkamp 1025e8f32de5SMark Haverkamp static void io_callback(void *context, struct fib * fibptr); 1026e8f32de5SMark Haverkamp 1027e8f32de5SMark Haverkamp static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) 1028e8f32de5SMark Haverkamp { 102985d22bbfSMahesh Rajashekhara struct aac_dev *dev = fib->dev; 103085d22bbfSMahesh Rajashekhara u16 fibsize, command; 10310b433447SMahesh Rajashekhara long ret; 103285d22bbfSMahesh Rajashekhara 1033e8f32de5SMark Haverkamp aac_fib_init(fib); 103485d22bbfSMahesh Rajashekhara if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) { 103585d22bbfSMahesh Rajashekhara struct aac_raw_io2 *readcmd2; 103685d22bbfSMahesh Rajashekhara readcmd2 = (struct aac_raw_io2 *) fib_data(fib); 103785d22bbfSMahesh Rajashekhara memset(readcmd2, 0, sizeof(struct aac_raw_io2)); 103885d22bbfSMahesh Rajashekhara readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff)); 103985d22bbfSMahesh Rajashekhara readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); 1040b836439fSMahesh Rajashekhara readcmd2->byteCount = cpu_to_le32(count * 1041b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 104285d22bbfSMahesh Rajashekhara readcmd2->cid = cpu_to_le16(scmd_id(cmd)); 104385d22bbfSMahesh Rajashekhara readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ); 10440b433447SMahesh Rajashekhara ret = aac_build_sgraw2(cmd, readcmd2, 10450b433447SMahesh Rajashekhara dev->scsi_host_ptr->sg_tablesize); 10460b433447SMahesh Rajashekhara if (ret < 0) 10470b433447SMahesh Rajashekhara return ret; 104885d22bbfSMahesh Rajashekhara command = ContainerRawIo2; 104985d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io2) + 105085d22bbfSMahesh Rajashekhara ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212)); 105185d22bbfSMahesh Rajashekhara } else { 105285d22bbfSMahesh Rajashekhara struct aac_raw_io *readcmd; 1053e8f32de5SMark Haverkamp readcmd = (struct aac_raw_io *) fib_data(fib); 1054e8f32de5SMark Haverkamp readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); 1055e8f32de5SMark Haverkamp readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); 1056b836439fSMahesh Rajashekhara readcmd->count = cpu_to_le32(count * 1057b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 1058e8f32de5SMark Haverkamp readcmd->cid = cpu_to_le16(scmd_id(cmd)); 105985d22bbfSMahesh Rajashekhara readcmd->flags = cpu_to_le16(RIO_TYPE_READ); 1060e8f32de5SMark Haverkamp readcmd->bpTotal = 0; 1061e8f32de5SMark Haverkamp readcmd->bpComplete = 0; 10620b433447SMahesh Rajashekhara ret = aac_build_sgraw(cmd, &readcmd->sg); 10630b433447SMahesh Rajashekhara if (ret < 0) 10640b433447SMahesh Rajashekhara return ret; 106585d22bbfSMahesh Rajashekhara command = ContainerRawIo; 106685d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io) + 106785d22bbfSMahesh Rajashekhara ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw)); 106885d22bbfSMahesh Rajashekhara } 106985d22bbfSMahesh Rajashekhara 1070e8f32de5SMark Haverkamp BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr))); 1071e8f32de5SMark Haverkamp /* 1072e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1073e8f32de5SMark Haverkamp */ 107485d22bbfSMahesh Rajashekhara return aac_fib_send(command, 1075e8f32de5SMark Haverkamp fib, 1076e8f32de5SMark Haverkamp fibsize, 1077e8f32de5SMark Haverkamp FsaNormal, 1078e8f32de5SMark Haverkamp 0, 1, 1079e8f32de5SMark Haverkamp (fib_callback) io_callback, 1080e8f32de5SMark Haverkamp (void *) cmd); 1081e8f32de5SMark Haverkamp } 1082e8f32de5SMark Haverkamp 1083e8f32de5SMark Haverkamp static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) 1084e8f32de5SMark Haverkamp { 1085e8f32de5SMark Haverkamp u16 fibsize; 1086e8f32de5SMark Haverkamp struct aac_read64 *readcmd; 10870b433447SMahesh Rajashekhara long ret; 10880b433447SMahesh Rajashekhara 1089e8f32de5SMark Haverkamp aac_fib_init(fib); 1090e8f32de5SMark Haverkamp readcmd = (struct aac_read64 *) fib_data(fib); 1091e8f32de5SMark Haverkamp readcmd->command = cpu_to_le32(VM_CtHostRead64); 1092e8f32de5SMark Haverkamp readcmd->cid = cpu_to_le16(scmd_id(cmd)); 1093e8f32de5SMark Haverkamp readcmd->sector_count = cpu_to_le16(count); 1094e8f32de5SMark Haverkamp readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); 1095e8f32de5SMark Haverkamp readcmd->pad = 0; 1096e8f32de5SMark Haverkamp readcmd->flags = 0; 1097e8f32de5SMark Haverkamp 10980b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, &readcmd->sg); 10990b433447SMahesh Rajashekhara if (ret < 0) 11000b433447SMahesh Rajashekhara return ret; 1101e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_read64) + 1102e8f32de5SMark Haverkamp ((le32_to_cpu(readcmd->sg.count) - 1) * 1103e8f32de5SMark Haverkamp sizeof (struct sgentry64)); 1104e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1105e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1106e8f32de5SMark Haverkamp /* 1107e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1108e8f32de5SMark Haverkamp */ 1109e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand64, 1110e8f32de5SMark Haverkamp fib, 1111e8f32de5SMark Haverkamp fibsize, 1112e8f32de5SMark Haverkamp FsaNormal, 1113e8f32de5SMark Haverkamp 0, 1, 1114e8f32de5SMark Haverkamp (fib_callback) io_callback, 1115e8f32de5SMark Haverkamp (void *) cmd); 1116e8f32de5SMark Haverkamp } 1117e8f32de5SMark Haverkamp 1118e8f32de5SMark Haverkamp static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count) 1119e8f32de5SMark Haverkamp { 1120e8f32de5SMark Haverkamp u16 fibsize; 1121e8f32de5SMark Haverkamp struct aac_read *readcmd; 1122b836439fSMahesh Rajashekhara struct aac_dev *dev = fib->dev; 11230b433447SMahesh Rajashekhara long ret; 11240b433447SMahesh Rajashekhara 1125e8f32de5SMark Haverkamp aac_fib_init(fib); 1126e8f32de5SMark Haverkamp readcmd = (struct aac_read *) fib_data(fib); 1127e8f32de5SMark Haverkamp readcmd->command = cpu_to_le32(VM_CtBlockRead); 1128f3307f72SChristoph Hellwig readcmd->cid = cpu_to_le32(scmd_id(cmd)); 1129e8f32de5SMark Haverkamp readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); 1130b836439fSMahesh Rajashekhara readcmd->count = cpu_to_le32(count * 1131b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 1132e8f32de5SMark Haverkamp 11330b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, &readcmd->sg); 11340b433447SMahesh Rajashekhara if (ret < 0) 11350b433447SMahesh Rajashekhara return ret; 1136e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_read) + 1137e8f32de5SMark Haverkamp ((le32_to_cpu(readcmd->sg.count) - 1) * 1138e8f32de5SMark Haverkamp sizeof (struct sgentry)); 1139e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1140e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1141e8f32de5SMark Haverkamp /* 1142e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1143e8f32de5SMark Haverkamp */ 1144e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand, 1145e8f32de5SMark Haverkamp fib, 1146e8f32de5SMark Haverkamp fibsize, 1147e8f32de5SMark Haverkamp FsaNormal, 1148e8f32de5SMark Haverkamp 0, 1, 1149e8f32de5SMark Haverkamp (fib_callback) io_callback, 1150e8f32de5SMark Haverkamp (void *) cmd); 1151e8f32de5SMark Haverkamp } 1152e8f32de5SMark Haverkamp 11539d399cc7SSalyzyn, Mark static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) 1154e8f32de5SMark Haverkamp { 115585d22bbfSMahesh Rajashekhara struct aac_dev *dev = fib->dev; 115685d22bbfSMahesh Rajashekhara u16 fibsize, command; 11570b433447SMahesh Rajashekhara long ret; 115885d22bbfSMahesh Rajashekhara 1159e8f32de5SMark Haverkamp aac_fib_init(fib); 116085d22bbfSMahesh Rajashekhara if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) { 116185d22bbfSMahesh Rajashekhara struct aac_raw_io2 *writecmd2; 116285d22bbfSMahesh Rajashekhara writecmd2 = (struct aac_raw_io2 *) fib_data(fib); 116385d22bbfSMahesh Rajashekhara memset(writecmd2, 0, sizeof(struct aac_raw_io2)); 116485d22bbfSMahesh Rajashekhara writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff)); 116585d22bbfSMahesh Rajashekhara writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); 1166b836439fSMahesh Rajashekhara writecmd2->byteCount = cpu_to_le32(count * 1167b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 116885d22bbfSMahesh Rajashekhara writecmd2->cid = cpu_to_le16(scmd_id(cmd)); 116985d22bbfSMahesh Rajashekhara writecmd2->flags = (fua && ((aac_cache & 5) != 1) && 117085d22bbfSMahesh Rajashekhara (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ? 117185d22bbfSMahesh Rajashekhara cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) : 117285d22bbfSMahesh Rajashekhara cpu_to_le16(RIO2_IO_TYPE_WRITE); 11730b433447SMahesh Rajashekhara ret = aac_build_sgraw2(cmd, writecmd2, 11740b433447SMahesh Rajashekhara dev->scsi_host_ptr->sg_tablesize); 11750b433447SMahesh Rajashekhara if (ret < 0) 11760b433447SMahesh Rajashekhara return ret; 117785d22bbfSMahesh Rajashekhara command = ContainerRawIo2; 117885d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io2) + 117985d22bbfSMahesh Rajashekhara ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212)); 118085d22bbfSMahesh Rajashekhara } else { 118185d22bbfSMahesh Rajashekhara struct aac_raw_io *writecmd; 1182e8f32de5SMark Haverkamp writecmd = (struct aac_raw_io *) fib_data(fib); 1183e8f32de5SMark Haverkamp writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff)); 1184e8f32de5SMark Haverkamp writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); 1185b836439fSMahesh Rajashekhara writecmd->count = cpu_to_le32(count * 1186b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 1187e8f32de5SMark Haverkamp writecmd->cid = cpu_to_le16(scmd_id(cmd)); 118895e852e1SSalyzyn, Mark writecmd->flags = (fua && ((aac_cache & 5) != 1) && 118995e852e1SSalyzyn, Mark (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ? 119085d22bbfSMahesh Rajashekhara cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) : 119185d22bbfSMahesh Rajashekhara cpu_to_le16(RIO_TYPE_WRITE); 1192e8f32de5SMark Haverkamp writecmd->bpTotal = 0; 1193e8f32de5SMark Haverkamp writecmd->bpComplete = 0; 11940b433447SMahesh Rajashekhara ret = aac_build_sgraw(cmd, &writecmd->sg); 11950b433447SMahesh Rajashekhara if (ret < 0) 11960b433447SMahesh Rajashekhara return ret; 119785d22bbfSMahesh Rajashekhara command = ContainerRawIo; 119885d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io) + 119985d22bbfSMahesh Rajashekhara ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw)); 120085d22bbfSMahesh Rajashekhara } 120185d22bbfSMahesh Rajashekhara 1202e8f32de5SMark Haverkamp BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr))); 1203e8f32de5SMark Haverkamp /* 1204e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1205e8f32de5SMark Haverkamp */ 120685d22bbfSMahesh Rajashekhara return aac_fib_send(command, 1207e8f32de5SMark Haverkamp fib, 1208e8f32de5SMark Haverkamp fibsize, 1209e8f32de5SMark Haverkamp FsaNormal, 1210e8f32de5SMark Haverkamp 0, 1, 1211e8f32de5SMark Haverkamp (fib_callback) io_callback, 1212e8f32de5SMark Haverkamp (void *) cmd); 1213e8f32de5SMark Haverkamp } 1214e8f32de5SMark Haverkamp 12159d399cc7SSalyzyn, Mark static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) 1216e8f32de5SMark Haverkamp { 1217e8f32de5SMark Haverkamp u16 fibsize; 1218e8f32de5SMark Haverkamp struct aac_write64 *writecmd; 12190b433447SMahesh Rajashekhara long ret; 12200b433447SMahesh Rajashekhara 1221e8f32de5SMark Haverkamp aac_fib_init(fib); 1222e8f32de5SMark Haverkamp writecmd = (struct aac_write64 *) fib_data(fib); 1223e8f32de5SMark Haverkamp writecmd->command = cpu_to_le32(VM_CtHostWrite64); 1224e8f32de5SMark Haverkamp writecmd->cid = cpu_to_le16(scmd_id(cmd)); 1225e8f32de5SMark Haverkamp writecmd->sector_count = cpu_to_le16(count); 1226e8f32de5SMark Haverkamp writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); 1227e8f32de5SMark Haverkamp writecmd->pad = 0; 1228e8f32de5SMark Haverkamp writecmd->flags = 0; 1229e8f32de5SMark Haverkamp 12300b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, &writecmd->sg); 12310b433447SMahesh Rajashekhara if (ret < 0) 12320b433447SMahesh Rajashekhara return ret; 1233e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_write64) + 1234e8f32de5SMark Haverkamp ((le32_to_cpu(writecmd->sg.count) - 1) * 1235e8f32de5SMark Haverkamp sizeof (struct sgentry64)); 1236e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1237e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1238e8f32de5SMark Haverkamp /* 1239e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1240e8f32de5SMark Haverkamp */ 1241e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand64, 1242e8f32de5SMark Haverkamp fib, 1243e8f32de5SMark Haverkamp fibsize, 1244e8f32de5SMark Haverkamp FsaNormal, 1245e8f32de5SMark Haverkamp 0, 1, 1246e8f32de5SMark Haverkamp (fib_callback) io_callback, 1247e8f32de5SMark Haverkamp (void *) cmd); 1248e8f32de5SMark Haverkamp } 1249e8f32de5SMark Haverkamp 12509d399cc7SSalyzyn, Mark static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua) 1251e8f32de5SMark Haverkamp { 1252e8f32de5SMark Haverkamp u16 fibsize; 1253e8f32de5SMark Haverkamp struct aac_write *writecmd; 1254b836439fSMahesh Rajashekhara struct aac_dev *dev = fib->dev; 12550b433447SMahesh Rajashekhara long ret; 12560b433447SMahesh Rajashekhara 1257e8f32de5SMark Haverkamp aac_fib_init(fib); 1258e8f32de5SMark Haverkamp writecmd = (struct aac_write *) fib_data(fib); 1259e8f32de5SMark Haverkamp writecmd->command = cpu_to_le32(VM_CtBlockWrite); 1260f3307f72SChristoph Hellwig writecmd->cid = cpu_to_le32(scmd_id(cmd)); 1261e8f32de5SMark Haverkamp writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); 1262b836439fSMahesh Rajashekhara writecmd->count = cpu_to_le32(count * 1263b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size); 1264e8f32de5SMark Haverkamp writecmd->sg.count = cpu_to_le32(1); 1265e8f32de5SMark Haverkamp /* ->stable is not used - it did mean which type of write */ 1266e8f32de5SMark Haverkamp 12670b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, &writecmd->sg); 12680b433447SMahesh Rajashekhara if (ret < 0) 12690b433447SMahesh Rajashekhara return ret; 1270e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_write) + 1271e8f32de5SMark Haverkamp ((le32_to_cpu(writecmd->sg.count) - 1) * 1272e8f32de5SMark Haverkamp sizeof (struct sgentry)); 1273e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1274e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1275e8f32de5SMark Haverkamp /* 1276e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1277e8f32de5SMark Haverkamp */ 1278e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand, 1279e8f32de5SMark Haverkamp fib, 1280e8f32de5SMark Haverkamp fibsize, 1281e8f32de5SMark Haverkamp FsaNormal, 1282e8f32de5SMark Haverkamp 0, 1, 1283e8f32de5SMark Haverkamp (fib_callback) io_callback, 1284e8f32de5SMark Haverkamp (void *) cmd); 1285e8f32de5SMark Haverkamp } 1286e8f32de5SMark Haverkamp 1287e8f32de5SMark Haverkamp static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd) 1288e8f32de5SMark Haverkamp { 1289e8f32de5SMark Haverkamp struct aac_srb * srbcmd; 1290e8f32de5SMark Haverkamp u32 flag; 1291e8f32de5SMark Haverkamp u32 timeout; 1292e8f32de5SMark Haverkamp 1293e8f32de5SMark Haverkamp aac_fib_init(fib); 1294e8f32de5SMark Haverkamp switch(cmd->sc_data_direction){ 1295e8f32de5SMark Haverkamp case DMA_TO_DEVICE: 1296e8f32de5SMark Haverkamp flag = SRB_DataOut; 1297e8f32de5SMark Haverkamp break; 1298e8f32de5SMark Haverkamp case DMA_BIDIRECTIONAL: 1299e8f32de5SMark Haverkamp flag = SRB_DataIn | SRB_DataOut; 1300e8f32de5SMark Haverkamp break; 1301e8f32de5SMark Haverkamp case DMA_FROM_DEVICE: 1302e8f32de5SMark Haverkamp flag = SRB_DataIn; 1303e8f32de5SMark Haverkamp break; 1304e8f32de5SMark Haverkamp case DMA_NONE: 1305e8f32de5SMark Haverkamp default: /* shuts up some versions of gcc */ 1306e8f32de5SMark Haverkamp flag = SRB_NoDataXfer; 1307e8f32de5SMark Haverkamp break; 1308e8f32de5SMark Haverkamp } 1309e8f32de5SMark Haverkamp 1310e8f32de5SMark Haverkamp srbcmd = (struct aac_srb*) fib_data(fib); 1311e8f32de5SMark Haverkamp srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); 1312e8f32de5SMark Haverkamp srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd))); 1313e8f32de5SMark Haverkamp srbcmd->id = cpu_to_le32(scmd_id(cmd)); 1314e8f32de5SMark Haverkamp srbcmd->lun = cpu_to_le32(cmd->device->lun); 1315e8f32de5SMark Haverkamp srbcmd->flags = cpu_to_le32(flag); 1316242f9dcbSJens Axboe timeout = cmd->request->timeout/HZ; 1317e8f32de5SMark Haverkamp if (timeout == 0) 1318e8f32de5SMark Haverkamp timeout = 1; 1319e8f32de5SMark Haverkamp srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds 1320e8f32de5SMark Haverkamp srbcmd->retry_limit = 0; /* Obsolete parameter */ 1321e8f32de5SMark Haverkamp srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len); 1322e8f32de5SMark Haverkamp return srbcmd; 1323e8f32de5SMark Haverkamp } 1324e8f32de5SMark Haverkamp 1325e8f32de5SMark Haverkamp static void aac_srb_callback(void *context, struct fib * fibptr); 1326e8f32de5SMark Haverkamp 1327e8f32de5SMark Haverkamp static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd) 1328e8f32de5SMark Haverkamp { 1329e8f32de5SMark Haverkamp u16 fibsize; 1330e8f32de5SMark Haverkamp struct aac_srb * srbcmd = aac_scsi_common(fib, cmd); 13310b433447SMahesh Rajashekhara long ret; 1332e8f32de5SMark Haverkamp 13330b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg); 13340b433447SMahesh Rajashekhara if (ret < 0) 13350b433447SMahesh Rajashekhara return ret; 1336727eead6SFUJITA Tomonori srbcmd->count = cpu_to_le32(scsi_bufflen(cmd)); 1337e8f32de5SMark Haverkamp 1338e8f32de5SMark Haverkamp memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 1339e8f32de5SMark Haverkamp memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len); 1340e8f32de5SMark Haverkamp /* 1341e8f32de5SMark Haverkamp * Build Scatter/Gather list 1342e8f32de5SMark Haverkamp */ 1343e8f32de5SMark Haverkamp fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) + 1344e8f32de5SMark Haverkamp ((le32_to_cpu(srbcmd->sg.count) & 0xff) * 1345e8f32de5SMark Haverkamp sizeof (struct sgentry64)); 1346e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1347e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1348e8f32de5SMark Haverkamp 1349e8f32de5SMark Haverkamp /* 1350e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1351e8f32de5SMark Haverkamp */ 1352e8f32de5SMark Haverkamp return aac_fib_send(ScsiPortCommand64, fib, 1353e8f32de5SMark Haverkamp fibsize, FsaNormal, 0, 1, 1354e8f32de5SMark Haverkamp (fib_callback) aac_srb_callback, 1355e8f32de5SMark Haverkamp (void *) cmd); 1356e8f32de5SMark Haverkamp } 1357e8f32de5SMark Haverkamp 1358e8f32de5SMark Haverkamp static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) 1359e8f32de5SMark Haverkamp { 1360e8f32de5SMark Haverkamp u16 fibsize; 1361e8f32de5SMark Haverkamp struct aac_srb * srbcmd = aac_scsi_common(fib, cmd); 13620b433447SMahesh Rajashekhara long ret; 1363e8f32de5SMark Haverkamp 13640b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg); 13650b433447SMahesh Rajashekhara if (ret < 0) 13660b433447SMahesh Rajashekhara return ret; 1367727eead6SFUJITA Tomonori srbcmd->count = cpu_to_le32(scsi_bufflen(cmd)); 1368e8f32de5SMark Haverkamp 1369e8f32de5SMark Haverkamp memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); 1370e8f32de5SMark Haverkamp memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len); 1371e8f32de5SMark Haverkamp /* 1372e8f32de5SMark Haverkamp * Build Scatter/Gather list 1373e8f32de5SMark Haverkamp */ 1374e8f32de5SMark Haverkamp fibsize = sizeof (struct aac_srb) + 1375e8f32de5SMark Haverkamp (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 1376e8f32de5SMark Haverkamp sizeof (struct sgentry)); 1377e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size - 1378e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr))); 1379e8f32de5SMark Haverkamp 1380e8f32de5SMark Haverkamp /* 1381e8f32de5SMark Haverkamp * Now send the Fib to the adapter 1382e8f32de5SMark Haverkamp */ 1383e8f32de5SMark Haverkamp return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1, 1384e8f32de5SMark Haverkamp (fib_callback) aac_srb_callback, (void *) cmd); 1385e8f32de5SMark Haverkamp } 1386e8f32de5SMark Haverkamp 138794cf6ba1SSalyzyn, Mark static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) 138894cf6ba1SSalyzyn, Mark { 1389d8e96507SLeubner, Achim if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac && 139094cf6ba1SSalyzyn, Mark (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) 139194cf6ba1SSalyzyn, Mark return FAILED; 139294cf6ba1SSalyzyn, Mark return aac_scsi_32(fib, cmd); 139394cf6ba1SSalyzyn, Mark } 139494cf6ba1SSalyzyn, Mark 13951da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev) 13961da177e4SLinus Torvalds { 13971da177e4SLinus Torvalds struct fib* fibptr; 13981da177e4SLinus Torvalds int rcode; 13991da177e4SLinus Torvalds u32 tmp; 14007c00ffa3SMark Haverkamp struct aac_adapter_info *info; 140184971738SMark Haverkamp struct aac_bus_info *command; 140284971738SMark Haverkamp struct aac_bus_info_response *bus_info; 14037c00ffa3SMark Haverkamp 1404bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev))) 14051da177e4SLinus Torvalds return -ENOMEM; 14061da177e4SLinus Torvalds 1407bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 14081da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr); 14097c00ffa3SMark Haverkamp memset(info,0,sizeof(*info)); 14101da177e4SLinus Torvalds 1411bfb35aa8SMark Haverkamp rcode = aac_fib_send(RequestAdapterInfo, 14121da177e4SLinus Torvalds fibptr, 14137c00ffa3SMark Haverkamp sizeof(*info), 14141da177e4SLinus Torvalds FsaNormal, 14159203344cSMark Haverkamp -1, 1, /* First `interrupt' command uses special wait */ 14161da177e4SLinus Torvalds NULL, 14171da177e4SLinus Torvalds NULL); 14181da177e4SLinus Torvalds 14197c00ffa3SMark Haverkamp if (rcode < 0) { 1420cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after 1421cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * getting the response from the F/W */ 1422cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode != -ERESTARTSYS) { 1423bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 1424bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 1425cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech } 14267c00ffa3SMark Haverkamp return rcode; 14277c00ffa3SMark Haverkamp } 14287c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info)); 14297c00ffa3SMark Haverkamp 14307c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { 143106a43d17SSalyzyn, Mark struct aac_supplement_adapter_info * sinfo; 14327c00ffa3SMark Haverkamp 1433bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 14347c00ffa3SMark Haverkamp 143506a43d17SSalyzyn, Mark sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr); 14367c00ffa3SMark Haverkamp 143706a43d17SSalyzyn, Mark memset(sinfo,0,sizeof(*sinfo)); 14387c00ffa3SMark Haverkamp 1439bfb35aa8SMark Haverkamp rcode = aac_fib_send(RequestSupplementAdapterInfo, 14407c00ffa3SMark Haverkamp fibptr, 144106a43d17SSalyzyn, Mark sizeof(*sinfo), 14427c00ffa3SMark Haverkamp FsaNormal, 14437c00ffa3SMark Haverkamp 1, 1, 14447c00ffa3SMark Haverkamp NULL, 14457c00ffa3SMark Haverkamp NULL); 14467c00ffa3SMark Haverkamp 14477c00ffa3SMark Haverkamp if (rcode >= 0) 144806a43d17SSalyzyn, Mark memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo)); 1449cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode == -ERESTARTSYS) { 1450cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech fibptr = aac_fib_alloc(dev); 1451cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (!fibptr) 1452cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech return -ENOMEM; 1453cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech } 1454cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech 14557c00ffa3SMark Haverkamp } 14561da177e4SLinus Torvalds 145784971738SMark Haverkamp 145884971738SMark Haverkamp /* 145984971738SMark Haverkamp * GetBusInfo 146084971738SMark Haverkamp */ 146184971738SMark Haverkamp 1462bfb35aa8SMark Haverkamp aac_fib_init(fibptr); 146384971738SMark Haverkamp 146484971738SMark Haverkamp bus_info = (struct aac_bus_info_response *) fib_data(fibptr); 146584971738SMark Haverkamp 146684971738SMark Haverkamp memset(bus_info, 0, sizeof(*bus_info)); 146784971738SMark Haverkamp 146884971738SMark Haverkamp command = (struct aac_bus_info *)bus_info; 146984971738SMark Haverkamp 147084971738SMark Haverkamp command->Command = cpu_to_le32(VM_Ioctl); 147184971738SMark Haverkamp command->ObjType = cpu_to_le32(FT_DRIVE); 147284971738SMark Haverkamp command->MethodId = cpu_to_le32(1); 147384971738SMark Haverkamp command->CtlCmd = cpu_to_le32(GetBusInfo); 147484971738SMark Haverkamp 1475bfb35aa8SMark Haverkamp rcode = aac_fib_send(ContainerCommand, 147684971738SMark Haverkamp fibptr, 147784971738SMark Haverkamp sizeof (*bus_info), 147884971738SMark Haverkamp FsaNormal, 147984971738SMark Haverkamp 1, 1, 148084971738SMark Haverkamp NULL, NULL); 148184971738SMark Haverkamp 148294cf6ba1SSalyzyn, Mark /* reasoned default */ 148394cf6ba1SSalyzyn, Mark dev->maximum_num_physicals = 16; 148484971738SMark Haverkamp if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { 148584971738SMark Haverkamp dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); 148684971738SMark Haverkamp dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); 148784971738SMark Haverkamp } 148884971738SMark Haverkamp 14898c867b25SMark Haverkamp if (!dev->in_reset) { 149024f02e1dSSalyzyn, Mark char buffer[16]; 14911da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev); 14927c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 14931da177e4SLinus Torvalds dev->name, 14941da177e4SLinus Torvalds dev->id, 14951da177e4SLinus Torvalds tmp>>24, 14961da177e4SLinus Torvalds (tmp>>16)&0xff, 14971da177e4SLinus Torvalds tmp&0xff, 14987c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild), 14997c00ffa3SMark Haverkamp (int)sizeof(dev->supplement_adapter_info.BuildDate), 15007c00ffa3SMark Haverkamp dev->supplement_adapter_info.BuildDate); 15011da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev); 15021da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 15031da177e4SLinus Torvalds dev->name, dev->id, 15041da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 15051da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild)); 15061da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev); 15071da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 15081da177e4SLinus Torvalds dev->name, dev->id, 15091da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff, 15101da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild)); 151124f02e1dSSalyzyn, Mark buffer[0] = '\0'; 1512ee959b00STony Jones if (aac_get_serial_number( 151324f02e1dSSalyzyn, Mark shost_to_class(dev->scsi_host_ptr), buffer)) 151424f02e1dSSalyzyn, Mark printk(KERN_INFO "%s%d: serial %s", 151524f02e1dSSalyzyn, Mark dev->name, dev->id, buffer); 1516a45c863fSSalyzyn, Mark if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) { 1517a45c863fSSalyzyn, Mark printk(KERN_INFO "%s%d: TSID %.*s\n", 1518a45c863fSSalyzyn, Mark dev->name, dev->id, 1519a45c863fSSalyzyn, Mark (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid), 1520a45c863fSSalyzyn, Mark dev->supplement_adapter_info.VpdInfo.Tsid); 1521a45c863fSSalyzyn, Mark } 15222f7ecc55SSalyzyn, Mark if (!aac_check_reset || ((aac_check_reset == 1) && 152329c97684SSalyzyn, Mark (dev->supplement_adapter_info.SupportedOptions2 & 1524a3940da5SSalyzyn, Mark AAC_OPTION_IGNORE_RESET))) { 152529c97684SSalyzyn, Mark printk(KERN_INFO "%s%d: Reset Adapter Ignored\n", 152629c97684SSalyzyn, Mark dev->name, dev->id); 152729c97684SSalyzyn, Mark } 15288c867b25SMark Haverkamp } 15291da177e4SLinus Torvalds 153095e852e1SSalyzyn, Mark dev->cache_protected = 0; 1531cb1042f2SSalyzyn, Mark dev->jbod = ((dev->supplement_adapter_info.FeatureBits & 1532cb1042f2SSalyzyn, Mark AAC_FEATURE_JBOD) != 0); 15331da177e4SLinus Torvalds dev->nondasd_support = 0; 15341da177e4SLinus Torvalds dev->raid_scsi_mode = 0; 153595e852e1SSalyzyn, Mark if(dev->adapter_info.options & AAC_OPT_NONDASD) 15361da177e4SLinus Torvalds dev->nondasd_support = 1; 15371da177e4SLinus Torvalds 15381da177e4SLinus Torvalds /* 15391da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently 15401da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will 15411da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag 15421da177e4SLinus Torvalds * additional changes changes will have to be made to support 15431da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be 15441da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of 15451da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the 15461da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the 15471da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only. 15481da177e4SLinus Torvalds */ 15491da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) && 15501da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) { 15511da177e4SLinus Torvalds dev->nondasd_support = 1; 15521da177e4SLinus Torvalds dev->raid_scsi_mode = 1; 15531da177e4SLinus Torvalds } 15541da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0) 15551da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", 15561da177e4SLinus Torvalds dev->name, dev->id); 15571da177e4SLinus Torvalds 155895e852e1SSalyzyn, Mark if (nondasd != -1) 15591da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0); 15602f7ecc55SSalyzyn, Mark if (dev->nondasd_support && !dev->in_reset) 15611da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 15621da177e4SLinus Torvalds 1563e930438cSYang Hongyang if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32)) 1564d8e96507SLeubner, Achim dev->needs_dac = 1; 15651da177e4SLinus Torvalds dev->dac_support = 0; 1566d8e96507SLeubner, Achim if ((sizeof(dma_addr_t) > 4) && dev->needs_dac && 1567d8e96507SLeubner, Achim (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) { 15682f7ecc55SSalyzyn, Mark if (!dev->in_reset) 15692f7ecc55SSalyzyn, Mark printk(KERN_INFO "%s%d: 64bit support enabled.\n", 15702f7ecc55SSalyzyn, Mark dev->name, dev->id); 15711da177e4SLinus Torvalds dev->dac_support = 1; 15721da177e4SLinus Torvalds } 15731da177e4SLinus Torvalds 15741da177e4SLinus Torvalds if(dacmode != -1) { 15751da177e4SLinus Torvalds dev->dac_support = (dacmode!=0); 15761da177e4SLinus Torvalds } 1577d8e96507SLeubner, Achim 1578d8e96507SLeubner, Achim /* avoid problems with AAC_QUIRK_SCSI_32 controllers */ 1579d8e96507SLeubner, Achim if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks 1580d8e96507SLeubner, Achim & AAC_QUIRK_SCSI_32)) { 1581d8e96507SLeubner, Achim dev->nondasd_support = 0; 1582d8e96507SLeubner, Achim dev->jbod = 0; 1583d8e96507SLeubner, Achim expose_physicals = 0; 1584d8e96507SLeubner, Achim } 1585d8e96507SLeubner, Achim 15861da177e4SLinus Torvalds if(dev->dac_support != 0) { 15876a35528aSYang Hongyang if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) && 15886a35528aSYang Hongyang !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) { 15892f7ecc55SSalyzyn, Mark if (!dev->in_reset) 15901da177e4SLinus Torvalds printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 15911da177e4SLinus Torvalds dev->name, dev->id); 1592284901a9SYang Hongyang } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) && 1593284901a9SYang Hongyang !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) { 15941da177e4SLinus Torvalds printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 15951da177e4SLinus Torvalds dev->name, dev->id); 15961da177e4SLinus Torvalds dev->dac_support = 0; 15971da177e4SLinus Torvalds } else { 15981da177e4SLinus Torvalds printk(KERN_WARNING"%s%d: No suitable DMA available.\n", 15991da177e4SLinus Torvalds dev->name, dev->id); 16001da177e4SLinus Torvalds rcode = -ENOMEM; 16011da177e4SLinus Torvalds } 16021da177e4SLinus Torvalds } 16037c00ffa3SMark Haverkamp /* 1604e8f32de5SMark Haverkamp * Deal with configuring for the individualized limits of each packet 1605e8f32de5SMark Haverkamp * interface. 16067c00ffa3SMark Haverkamp */ 1607e8f32de5SMark Haverkamp dev->a_ops.adapter_scsi = (dev->dac_support) 160894cf6ba1SSalyzyn, Mark ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32) 160994cf6ba1SSalyzyn, Mark ? aac_scsi_32_64 161094cf6ba1SSalyzyn, Mark : aac_scsi_64) 1611e8f32de5SMark Haverkamp : aac_scsi_32; 1612e8f32de5SMark Haverkamp if (dev->raw_io_interface) { 1613e8f32de5SMark Haverkamp dev->a_ops.adapter_bounds = (dev->raw_io_64) 1614e8f32de5SMark Haverkamp ? aac_bounds_64 1615e8f32de5SMark Haverkamp : aac_bounds_32; 1616e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_raw_io; 1617e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_raw_io; 1618e8f32de5SMark Haverkamp } else { 1619e8f32de5SMark Haverkamp dev->a_ops.adapter_bounds = aac_bounds_32; 16207c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - 16217c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 162263a70eeaSMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgentry)) / 162363a70eeaSMark Haverkamp sizeof(struct sgentry); 16247c00ffa3SMark Haverkamp if (dev->dac_support) { 1625e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_block64; 1626e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_block64; 16277c00ffa3SMark Haverkamp /* 16287c00ffa3SMark Haverkamp * 38 scatter gather elements 16297c00ffa3SMark Haverkamp */ 16307c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = 16317c00ffa3SMark Haverkamp (dev->max_fib_size - 16327c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) - 16337c00ffa3SMark Haverkamp sizeof(struct aac_write64) + 163463a70eeaSMark Haverkamp sizeof(struct sgentry64)) / 163563a70eeaSMark Haverkamp sizeof(struct sgentry64); 1636e8f32de5SMark Haverkamp } else { 1637e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_block; 1638e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_block; 16397c00ffa3SMark Haverkamp } 16407c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; 16417c00ffa3SMark Haverkamp if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { 16427c00ffa3SMark Haverkamp /* 16437c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when 16447c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB. 16457c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what 16467c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is 16477c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB 16487c00ffa3SMark Haverkamp * element. 16497c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB 16507c00ffa3SMark Haverkamp */ 16517c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = 16527c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112; 16537c00ffa3SMark Haverkamp } 16540e68c003SMark Haverkamp } 1655cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */ 1656cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode != -ERESTARTSYS) { 1657bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 1658bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 1659cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech } 16601da177e4SLinus Torvalds 16611da177e4SLinus Torvalds return rcode; 16621da177e4SLinus Torvalds } 16631da177e4SLinus Torvalds 16641da177e4SLinus Torvalds 1665e53cb35aSMark Haverkamp static void io_callback(void *context, struct fib * fibptr) 16661da177e4SLinus Torvalds { 16671da177e4SLinus Torvalds struct aac_dev *dev; 16681da177e4SLinus Torvalds struct aac_read_reply *readreply; 16691da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 16701da177e4SLinus Torvalds u32 cid; 16711da177e4SLinus Torvalds 16721da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 16731da177e4SLinus Torvalds 167403d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr)) 167503d44337SMark Haverkamp return; 167603d44337SMark Haverkamp 16771a655040SSalyzyn, Mark dev = fibptr->dev; 1678e5718774SMark Haverkamp cid = scmd_id(scsicmd); 16791da177e4SLinus Torvalds 16807a8cf29dSMark Haverkamp if (nblank(dprintk(x))) { 16817a8cf29dSMark Haverkamp u64 lba; 16827a8cf29dSMark Haverkamp switch (scsicmd->cmnd[0]) { 16837a8cf29dSMark Haverkamp case WRITE_6: 16847a8cf29dSMark Haverkamp case READ_6: 16857a8cf29dSMark Haverkamp lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | 16867a8cf29dSMark Haverkamp (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 16877a8cf29dSMark Haverkamp break; 16887a8cf29dSMark Haverkamp case WRITE_16: 16897a8cf29dSMark Haverkamp case READ_16: 16907a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) | 16917a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) | 16927a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) | 16937a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) | 16947a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) | 16957a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) | 16967a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; 16977a8cf29dSMark Haverkamp break; 16987a8cf29dSMark Haverkamp case WRITE_12: 16997a8cf29dSMark Haverkamp case READ_12: 17007a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | 17017a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) | 17027a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 17037a8cf29dSMark Haverkamp break; 17047a8cf29dSMark Haverkamp default: 17057a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | 17067a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) | 17077a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 17087a8cf29dSMark Haverkamp break; 17097a8cf29dSMark Haverkamp } 17107a8cf29dSMark Haverkamp printk(KERN_DEBUG 17117a8cf29dSMark Haverkamp "io_callback[cpu %d]: lba = %llu, t = %ld.\n", 17127a8cf29dSMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies); 17137a8cf29dSMark Haverkamp } 17141da177e4SLinus Torvalds 1715125e1874SEric Sesterhenn BUG_ON(fibptr == NULL); 17161da177e4SLinus Torvalds 1717727eead6SFUJITA Tomonori scsi_dma_unmap(scsicmd); 1718727eead6SFUJITA Tomonori 17191da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr); 1720655d722cSMark Salyzyn switch (le32_to_cpu(readreply->status)) { 1721655d722cSMark Salyzyn case ST_OK: 1722655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1723655d722cSMark Salyzyn SAM_STAT_GOOD; 1724655d722cSMark Salyzyn dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE; 1725655d722cSMark Salyzyn break; 1726655d722cSMark Salyzyn case ST_NOT_READY: 1727655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1728655d722cSMark Salyzyn SAM_STAT_CHECK_CONDITION; 1729655d722cSMark Salyzyn set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY, 1730655d722cSMark Salyzyn SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0); 1731655d722cSMark Salyzyn memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 1732655d722cSMark Salyzyn min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 1733655d722cSMark Salyzyn SCSI_SENSE_BUFFERSIZE)); 1734655d722cSMark Salyzyn break; 1735655d722cSMark Salyzyn default: 17367c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO 1737e53cb35aSMark Haverkamp printk(KERN_WARNING "io_callback: io failed, status = %d\n", 17381da177e4SLinus Torvalds le32_to_cpu(readreply->status)); 17397c00ffa3SMark Haverkamp #endif 1740655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1741655d722cSMark Salyzyn SAM_STAT_CHECK_CONDITION; 17428e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 17438e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, 17448e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); 17451da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 17463ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 17473ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE)); 1748655d722cSMark Salyzyn break; 17491da177e4SLinus Torvalds } 1750bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 1751bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 17521da177e4SLinus Torvalds 17538e0c5ebdSMark Haverkamp scsicmd->scsi_done(scsicmd); 17541da177e4SLinus Torvalds } 17551da177e4SLinus Torvalds 17569e7c349cSMark Haverkamp static int aac_read(struct scsi_cmnd * scsicmd) 17571da177e4SLinus Torvalds { 17587a8cf29dSMark Haverkamp u64 lba; 17591da177e4SLinus Torvalds u32 count; 17601da177e4SLinus Torvalds int status; 17611da177e4SLinus Torvalds struct aac_dev *dev; 17621da177e4SLinus Torvalds struct fib * cmd_fibcontext; 1763da3cc679SRajashekhara, Mahesh int cid; 17641da177e4SLinus Torvalds 17651da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 17661da177e4SLinus Torvalds /* 17671da177e4SLinus Torvalds * Get block address and transfer length 17681da177e4SLinus Torvalds */ 17697a8cf29dSMark Haverkamp switch (scsicmd->cmnd[0]) { 17707a8cf29dSMark Haverkamp case READ_6: 17719e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd))); 17721da177e4SLinus Torvalds 17737a8cf29dSMark Haverkamp lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | 17747a8cf29dSMark Haverkamp (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 17751da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 17761da177e4SLinus Torvalds 17771da177e4SLinus Torvalds if (count == 0) 17781da177e4SLinus Torvalds count = 256; 17797a8cf29dSMark Haverkamp break; 17807a8cf29dSMark Haverkamp case READ_16: 17819e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd))); 17827a8cf29dSMark Haverkamp 17837a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) | 17847a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) | 17857a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) | 17867a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) | 17877a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) | 17887a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) | 17897a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; 17907a8cf29dSMark Haverkamp count = (scsicmd->cmnd[10] << 24) | 17917a8cf29dSMark Haverkamp (scsicmd->cmnd[11] << 16) | 17927a8cf29dSMark Haverkamp (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; 17937a8cf29dSMark Haverkamp break; 17947a8cf29dSMark Haverkamp case READ_12: 17959e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd))); 17967a8cf29dSMark Haverkamp 17977a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | 17987a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) | 17997a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 18007a8cf29dSMark Haverkamp count = (scsicmd->cmnd[6] << 24) | 18017a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) | 18027a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; 18037a8cf29dSMark Haverkamp break; 18047a8cf29dSMark Haverkamp default: 18059e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd))); 18061da177e4SLinus Torvalds 18077a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | 18087a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) | 18097a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 18101da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 18117a8cf29dSMark Haverkamp break; 18121da177e4SLinus Torvalds } 1813da3cc679SRajashekhara, Mahesh 1814da3cc679SRajashekhara, Mahesh if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) { 1815da3cc679SRajashekhara, Mahesh cid = scmd_id(scsicmd); 1816da3cc679SRajashekhara, Mahesh dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); 1817da3cc679SRajashekhara, Mahesh scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1818da3cc679SRajashekhara, Mahesh SAM_STAT_CHECK_CONDITION; 1819da3cc679SRajashekhara, Mahesh set_sense(&dev->fsa_dev[cid].sense_data, 1820da3cc679SRajashekhara, Mahesh HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, 1821da3cc679SRajashekhara, Mahesh ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); 1822da3cc679SRajashekhara, Mahesh memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 1823da3cc679SRajashekhara, Mahesh min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 1824da3cc679SRajashekhara, Mahesh SCSI_SENSE_BUFFERSIZE)); 1825da3cc679SRajashekhara, Mahesh scsicmd->scsi_done(scsicmd); 1826da3cc679SRajashekhara, Mahesh return 1; 1827da3cc679SRajashekhara, Mahesh } 1828da3cc679SRajashekhara, Mahesh 18297a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n", 18307c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies)); 1831e8f32de5SMark Haverkamp if (aac_adapter_bounds(dev,scsicmd,lba)) 18327a8cf29dSMark Haverkamp return 0; 18331da177e4SLinus Torvalds /* 18341da177e4SLinus Torvalds * Alocate and initialize a Fib 18351da177e4SLinus Torvalds */ 1836bfb35aa8SMark Haverkamp if (!(cmd_fibcontext = aac_fib_alloc(dev))) { 1837cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech printk(KERN_WARNING "aac_read: fib allocation failed\n"); 18381da177e4SLinus Torvalds return -1; 18391da177e4SLinus Torvalds } 18401da177e4SLinus Torvalds 1841e8f32de5SMark Haverkamp status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); 18421da177e4SLinus Torvalds 18431da177e4SLinus Torvalds /* 18441da177e4SLinus Torvalds * Check that the command queued to the controller 18451da177e4SLinus Torvalds */ 184677d644d4SMark Haverkamp if (status == -EINPROGRESS) { 184777d644d4SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 18481da177e4SLinus Torvalds return 0; 184977d644d4SMark Haverkamp } 18501da177e4SLinus Torvalds 1851bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); 18521da177e4SLinus Torvalds /* 18531da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 18541da177e4SLinus Torvalds */ 18551da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 18568e0c5ebdSMark Haverkamp scsicmd->scsi_done(scsicmd); 1857bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext); 1858bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext); 18591da177e4SLinus Torvalds return 0; 18601da177e4SLinus Torvalds } 18611da177e4SLinus Torvalds 18629e7c349cSMark Haverkamp static int aac_write(struct scsi_cmnd * scsicmd) 18631da177e4SLinus Torvalds { 18647a8cf29dSMark Haverkamp u64 lba; 18651da177e4SLinus Torvalds u32 count; 18669d399cc7SSalyzyn, Mark int fua; 18671da177e4SLinus Torvalds int status; 18681da177e4SLinus Torvalds struct aac_dev *dev; 18691da177e4SLinus Torvalds struct fib * cmd_fibcontext; 1870da3cc679SRajashekhara, Mahesh int cid; 18711da177e4SLinus Torvalds 18721da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 18731da177e4SLinus Torvalds /* 18741da177e4SLinus Torvalds * Get block address and transfer length 18751da177e4SLinus Torvalds */ 18761da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */ 18771da177e4SLinus Torvalds { 18781da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; 18791da177e4SLinus Torvalds count = scsicmd->cmnd[4]; 18801da177e4SLinus Torvalds if (count == 0) 18811da177e4SLinus Torvalds count = 256; 18829d399cc7SSalyzyn, Mark fua = 0; 18837a8cf29dSMark Haverkamp } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */ 18849e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd))); 18857a8cf29dSMark Haverkamp 18867a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) | 18877a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) | 18887a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) | 18897a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) | 18907a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) | 18917a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) | 18927a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; 18937a8cf29dSMark Haverkamp count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | 18947a8cf29dSMark Haverkamp (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; 18959d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8; 18967a8cf29dSMark Haverkamp } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */ 18979e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd))); 18987a8cf29dSMark Haverkamp 18997a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) 19007a8cf29dSMark Haverkamp | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 19017a8cf29dSMark Haverkamp count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) 19027a8cf29dSMark Haverkamp | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; 19039d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8; 19041da177e4SLinus Torvalds } else { 19059e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd))); 19067a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 19071da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 19089d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8; 19091da177e4SLinus Torvalds } 1910da3cc679SRajashekhara, Mahesh 1911da3cc679SRajashekhara, Mahesh if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) { 1912da3cc679SRajashekhara, Mahesh cid = scmd_id(scsicmd); 1913da3cc679SRajashekhara, Mahesh dprintk((KERN_DEBUG "aacraid: Illegal lba\n")); 1914da3cc679SRajashekhara, Mahesh scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 1915da3cc679SRajashekhara, Mahesh SAM_STAT_CHECK_CONDITION; 1916da3cc679SRajashekhara, Mahesh set_sense(&dev->fsa_dev[cid].sense_data, 1917da3cc679SRajashekhara, Mahesh HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, 1918da3cc679SRajashekhara, Mahesh ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); 1919da3cc679SRajashekhara, Mahesh memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 1920da3cc679SRajashekhara, Mahesh min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 1921da3cc679SRajashekhara, Mahesh SCSI_SENSE_BUFFERSIZE)); 1922da3cc679SRajashekhara, Mahesh scsicmd->scsi_done(scsicmd); 1923da3cc679SRajashekhara, Mahesh return 1; 1924da3cc679SRajashekhara, Mahesh } 1925da3cc679SRajashekhara, Mahesh 19267a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n", 19271da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies)); 1928e8f32de5SMark Haverkamp if (aac_adapter_bounds(dev,scsicmd,lba)) 19297a8cf29dSMark Haverkamp return 0; 19301da177e4SLinus Torvalds /* 19311da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 19321da177e4SLinus Torvalds */ 1933bfb35aa8SMark Haverkamp if (!(cmd_fibcontext = aac_fib_alloc(dev))) { 1934cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB temporarily unavailable,not catastrophic failure */ 1935cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech 1936cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* scsicmd->result = DID_ERROR << 16; 1937cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * scsicmd->scsi_done(scsicmd); 1938cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * return 0; 1939cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech */ 1940cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech printk(KERN_WARNING "aac_write: fib allocation failed\n"); 1941cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech return -1; 19421da177e4SLinus Torvalds } 19431da177e4SLinus Torvalds 19449d399cc7SSalyzyn, Mark status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvalds /* 19471da177e4SLinus Torvalds * Check that the command queued to the controller 19481da177e4SLinus Torvalds */ 194977d644d4SMark Haverkamp if (status == -EINPROGRESS) { 195077d644d4SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 19511da177e4SLinus Torvalds return 0; 19521da177e4SLinus Torvalds } 19531da177e4SLinus Torvalds 1954bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status); 19551da177e4SLinus Torvalds /* 19561da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL 19571da177e4SLinus Torvalds */ 19581da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; 19598e0c5ebdSMark Haverkamp scsicmd->scsi_done(scsicmd); 19601da177e4SLinus Torvalds 1961bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext); 1962bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext); 19631da177e4SLinus Torvalds return 0; 19641da177e4SLinus Torvalds } 19651da177e4SLinus Torvalds 19661da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr) 19671da177e4SLinus Torvalds { 19681da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply; 19691da177e4SLinus Torvalds struct scsi_cmnd *cmd; 19701da177e4SLinus Torvalds 19711da177e4SLinus Torvalds cmd = context; 19721da177e4SLinus Torvalds 197303d44337SMark Haverkamp if (!aac_valid_context(cmd, fibptr)) 197403d44337SMark Haverkamp return; 197503d44337SMark Haverkamp 19761da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 19771da177e4SLinus Torvalds smp_processor_id(), jiffies)); 19781da177e4SLinus Torvalds BUG_ON(fibptr == NULL); 19791da177e4SLinus Torvalds 19801da177e4SLinus Torvalds 19811da177e4SLinus Torvalds synchronizereply = fib_data(fibptr); 19821da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK) 19831da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 19841da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 19851da177e4SLinus Torvalds else { 19861da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device; 19871a655040SSalyzyn, Mark struct aac_dev *dev = fibptr->dev; 1988e5718774SMark Haverkamp u32 cid = sdev_id(sdev); 19891da177e4SLinus Torvalds printk(KERN_WARNING 19901da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n", 19911da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status)); 19921da177e4SLinus Torvalds cmd->result = DID_OK << 16 | 19931da177e4SLinus Torvalds COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 19948e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 19958e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, 19968e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); 19971da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 1998b80ca4f7SFUJITA Tomonori min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 1999b80ca4f7SFUJITA Tomonori SCSI_SENSE_BUFFERSIZE)); 20001da177e4SLinus Torvalds } 20011da177e4SLinus Torvalds 2002bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 2003bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 20048e0c5ebdSMark Haverkamp cmd->scsi_done(cmd); 20051da177e4SLinus Torvalds } 20061da177e4SLinus Torvalds 20079e7c349cSMark Haverkamp static int aac_synchronize(struct scsi_cmnd *scsicmd) 20081da177e4SLinus Torvalds { 20091da177e4SLinus Torvalds int status; 20101da177e4SLinus Torvalds struct fib *cmd_fibcontext; 20111da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd; 20121da177e4SLinus Torvalds struct scsi_cmnd *cmd; 20131da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device; 20141da177e4SLinus Torvalds int active = 0; 201590ee3466SMark Haverkamp struct aac_dev *aac; 2016b90f90d2SSalyzyn, Mark u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | 2017b90f90d2SSalyzyn, Mark (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; 2018b90f90d2SSalyzyn, Mark u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; 20191da177e4SLinus Torvalds unsigned long flags; 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvalds /* 202277d644d4SMark Haverkamp * Wait for all outstanding queued commands to complete to this 202377d644d4SMark Haverkamp * specific target (block). 20241da177e4SLinus Torvalds */ 20251da177e4SLinus Torvalds spin_lock_irqsave(&sdev->list_lock, flags); 20261da177e4SLinus Torvalds list_for_each_entry(cmd, &sdev->cmd_list, list) 2027b90f90d2SSalyzyn, Mark if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) { 2028b90f90d2SSalyzyn, Mark u64 cmnd_lba; 2029b90f90d2SSalyzyn, Mark u32 cmnd_count; 2030b90f90d2SSalyzyn, Mark 2031b90f90d2SSalyzyn, Mark if (cmd->cmnd[0] == WRITE_6) { 2032b90f90d2SSalyzyn, Mark cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) | 2033b90f90d2SSalyzyn, Mark (cmd->cmnd[2] << 8) | 2034b90f90d2SSalyzyn, Mark cmd->cmnd[3]; 2035b90f90d2SSalyzyn, Mark cmnd_count = cmd->cmnd[4]; 2036b90f90d2SSalyzyn, Mark if (cmnd_count == 0) 2037b90f90d2SSalyzyn, Mark cmnd_count = 256; 2038b90f90d2SSalyzyn, Mark } else if (cmd->cmnd[0] == WRITE_16) { 2039b90f90d2SSalyzyn, Mark cmnd_lba = ((u64)cmd->cmnd[2] << 56) | 2040b90f90d2SSalyzyn, Mark ((u64)cmd->cmnd[3] << 48) | 2041b90f90d2SSalyzyn, Mark ((u64)cmd->cmnd[4] << 40) | 2042b90f90d2SSalyzyn, Mark ((u64)cmd->cmnd[5] << 32) | 2043b90f90d2SSalyzyn, Mark ((u64)cmd->cmnd[6] << 24) | 2044b90f90d2SSalyzyn, Mark (cmd->cmnd[7] << 16) | 2045b90f90d2SSalyzyn, Mark (cmd->cmnd[8] << 8) | 2046b90f90d2SSalyzyn, Mark cmd->cmnd[9]; 2047b90f90d2SSalyzyn, Mark cmnd_count = (cmd->cmnd[10] << 24) | 2048b90f90d2SSalyzyn, Mark (cmd->cmnd[11] << 16) | 2049b90f90d2SSalyzyn, Mark (cmd->cmnd[12] << 8) | 2050b90f90d2SSalyzyn, Mark cmd->cmnd[13]; 2051b90f90d2SSalyzyn, Mark } else if (cmd->cmnd[0] == WRITE_12) { 2052b90f90d2SSalyzyn, Mark cmnd_lba = ((u64)cmd->cmnd[2] << 24) | 2053b90f90d2SSalyzyn, Mark (cmd->cmnd[3] << 16) | 2054b90f90d2SSalyzyn, Mark (cmd->cmnd[4] << 8) | 2055b90f90d2SSalyzyn, Mark cmd->cmnd[5]; 2056b90f90d2SSalyzyn, Mark cmnd_count = (cmd->cmnd[6] << 24) | 2057b90f90d2SSalyzyn, Mark (cmd->cmnd[7] << 16) | 2058b90f90d2SSalyzyn, Mark (cmd->cmnd[8] << 8) | 2059b90f90d2SSalyzyn, Mark cmd->cmnd[9]; 2060b90f90d2SSalyzyn, Mark } else if (cmd->cmnd[0] == WRITE_10) { 2061b90f90d2SSalyzyn, Mark cmnd_lba = ((u64)cmd->cmnd[2] << 24) | 2062b90f90d2SSalyzyn, Mark (cmd->cmnd[3] << 16) | 2063b90f90d2SSalyzyn, Mark (cmd->cmnd[4] << 8) | 2064b90f90d2SSalyzyn, Mark cmd->cmnd[5]; 2065b90f90d2SSalyzyn, Mark cmnd_count = (cmd->cmnd[7] << 8) | 2066b90f90d2SSalyzyn, Mark cmd->cmnd[8]; 2067b90f90d2SSalyzyn, Mark } else 2068b90f90d2SSalyzyn, Mark continue; 2069b90f90d2SSalyzyn, Mark if (((cmnd_lba + cmnd_count) < lba) || 2070b90f90d2SSalyzyn, Mark (count && ((lba + count) < cmnd_lba))) 2071b90f90d2SSalyzyn, Mark continue; 20721da177e4SLinus Torvalds ++active; 20731da177e4SLinus Torvalds break; 20741da177e4SLinus Torvalds } 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvalds spin_unlock_irqrestore(&sdev->list_lock, flags); 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvalds /* 20791da177e4SLinus Torvalds * Yield the processor (requeue for later) 20801da177e4SLinus Torvalds */ 20811da177e4SLinus Torvalds if (active) 20821da177e4SLinus Torvalds return SCSI_MLQUEUE_DEVICE_BUSY; 20831da177e4SLinus Torvalds 2084f858317dSSalyzyn, Mark aac = (struct aac_dev *)sdev->host->hostdata; 20858c867b25SMark Haverkamp if (aac->in_reset) 20868c867b25SMark Haverkamp return SCSI_MLQUEUE_HOST_BUSY; 20878c867b25SMark Haverkamp 20881da177e4SLinus Torvalds /* 20897c00ffa3SMark Haverkamp * Allocate and initialize a Fib 20901da177e4SLinus Torvalds */ 209190ee3466SMark Haverkamp if (!(cmd_fibcontext = aac_fib_alloc(aac))) 20921da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 20931da177e4SLinus Torvalds 2094bfb35aa8SMark Haverkamp aac_fib_init(cmd_fibcontext); 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext); 20971da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig); 20981da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE); 20999e7c349cSMark Haverkamp synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd)); 21001da177e4SLinus Torvalds synchronizecmd->count = 21011da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); 21021da177e4SLinus Torvalds 21031da177e4SLinus Torvalds /* 21041da177e4SLinus Torvalds * Now send the Fib to the adapter 21051da177e4SLinus Torvalds */ 2106bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand, 21071da177e4SLinus Torvalds cmd_fibcontext, 21081da177e4SLinus Torvalds sizeof(struct aac_synchronize), 21091da177e4SLinus Torvalds FsaNormal, 21101da177e4SLinus Torvalds 0, 1, 21111da177e4SLinus Torvalds (fib_callback)synchronize_callback, 21121da177e4SLinus Torvalds (void *)scsicmd); 21131da177e4SLinus Torvalds 21141da177e4SLinus Torvalds /* 21151da177e4SLinus Torvalds * Check that the command queued to the controller 21161da177e4SLinus Torvalds */ 211777d644d4SMark Haverkamp if (status == -EINPROGRESS) { 211877d644d4SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 21191da177e4SLinus Torvalds return 0; 212077d644d4SMark Haverkamp } 21211da177e4SLinus Torvalds 21221da177e4SLinus Torvalds printk(KERN_WARNING 2123bfb35aa8SMark Haverkamp "aac_synchronize: aac_fib_send failed with status: %d.\n", status); 2124bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext); 2125bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext); 21261da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 21271da177e4SLinus Torvalds } 21281da177e4SLinus Torvalds 2129655d722cSMark Salyzyn static void aac_start_stop_callback(void *context, struct fib *fibptr) 2130655d722cSMark Salyzyn { 2131655d722cSMark Salyzyn struct scsi_cmnd *scsicmd = context; 2132655d722cSMark Salyzyn 2133655d722cSMark Salyzyn if (!aac_valid_context(scsicmd, fibptr)) 2134655d722cSMark Salyzyn return; 2135655d722cSMark Salyzyn 2136655d722cSMark Salyzyn BUG_ON(fibptr == NULL); 2137655d722cSMark Salyzyn 2138655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 2139655d722cSMark Salyzyn 2140655d722cSMark Salyzyn aac_fib_complete(fibptr); 2141655d722cSMark Salyzyn aac_fib_free(fibptr); 2142655d722cSMark Salyzyn scsicmd->scsi_done(scsicmd); 2143655d722cSMark Salyzyn } 2144655d722cSMark Salyzyn 2145655d722cSMark Salyzyn static int aac_start_stop(struct scsi_cmnd *scsicmd) 2146655d722cSMark Salyzyn { 2147655d722cSMark Salyzyn int status; 2148655d722cSMark Salyzyn struct fib *cmd_fibcontext; 2149655d722cSMark Salyzyn struct aac_power_management *pmcmd; 2150655d722cSMark Salyzyn struct scsi_device *sdev = scsicmd->device; 2151655d722cSMark Salyzyn struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 2152655d722cSMark Salyzyn 2153655d722cSMark Salyzyn if (!(aac->supplement_adapter_info.SupportedOptions2 & 2154655d722cSMark Salyzyn AAC_OPTION_POWER_MANAGEMENT)) { 2155655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 2156655d722cSMark Salyzyn SAM_STAT_GOOD; 2157655d722cSMark Salyzyn scsicmd->scsi_done(scsicmd); 2158655d722cSMark Salyzyn return 0; 2159655d722cSMark Salyzyn } 2160655d722cSMark Salyzyn 2161655d722cSMark Salyzyn if (aac->in_reset) 2162655d722cSMark Salyzyn return SCSI_MLQUEUE_HOST_BUSY; 2163655d722cSMark Salyzyn 2164655d722cSMark Salyzyn /* 2165655d722cSMark Salyzyn * Allocate and initialize a Fib 2166655d722cSMark Salyzyn */ 2167655d722cSMark Salyzyn cmd_fibcontext = aac_fib_alloc(aac); 2168655d722cSMark Salyzyn if (!cmd_fibcontext) 2169655d722cSMark Salyzyn return SCSI_MLQUEUE_HOST_BUSY; 2170655d722cSMark Salyzyn 2171655d722cSMark Salyzyn aac_fib_init(cmd_fibcontext); 2172655d722cSMark Salyzyn 2173655d722cSMark Salyzyn pmcmd = fib_data(cmd_fibcontext); 2174655d722cSMark Salyzyn pmcmd->command = cpu_to_le32(VM_ContainerConfig); 2175655d722cSMark Salyzyn pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT); 2176655d722cSMark Salyzyn /* Eject bit ignored, not relevant */ 2177655d722cSMark Salyzyn pmcmd->sub = (scsicmd->cmnd[4] & 1) ? 2178655d722cSMark Salyzyn cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT); 2179655d722cSMark Salyzyn pmcmd->cid = cpu_to_le32(sdev_id(sdev)); 2180655d722cSMark Salyzyn pmcmd->parm = (scsicmd->cmnd[1] & 1) ? 2181655d722cSMark Salyzyn cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0; 2182655d722cSMark Salyzyn 2183655d722cSMark Salyzyn /* 2184655d722cSMark Salyzyn * Now send the Fib to the adapter 2185655d722cSMark Salyzyn */ 2186655d722cSMark Salyzyn status = aac_fib_send(ContainerCommand, 2187655d722cSMark Salyzyn cmd_fibcontext, 2188655d722cSMark Salyzyn sizeof(struct aac_power_management), 2189655d722cSMark Salyzyn FsaNormal, 2190655d722cSMark Salyzyn 0, 1, 2191655d722cSMark Salyzyn (fib_callback)aac_start_stop_callback, 2192655d722cSMark Salyzyn (void *)scsicmd); 2193655d722cSMark Salyzyn 2194655d722cSMark Salyzyn /* 2195655d722cSMark Salyzyn * Check that the command queued to the controller 2196655d722cSMark Salyzyn */ 2197655d722cSMark Salyzyn if (status == -EINPROGRESS) { 2198655d722cSMark Salyzyn scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 2199655d722cSMark Salyzyn return 0; 2200655d722cSMark Salyzyn } 2201655d722cSMark Salyzyn 2202655d722cSMark Salyzyn aac_fib_complete(cmd_fibcontext); 2203655d722cSMark Salyzyn aac_fib_free(cmd_fibcontext); 2204655d722cSMark Salyzyn return SCSI_MLQUEUE_HOST_BUSY; 2205655d722cSMark Salyzyn } 2206655d722cSMark Salyzyn 22071da177e4SLinus Torvalds /** 22081da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command 22091da177e4SLinus Torvalds * @scsicmd: SCSI command block 22101da177e4SLinus Torvalds * 22111da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the 22121da177e4SLinus Torvalds * aacraid firmware. 22131da177e4SLinus Torvalds */ 22141da177e4SLinus Torvalds 22151da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd) 22161da177e4SLinus Torvalds { 22171a655040SSalyzyn, Mark u32 cid; 22181da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host; 22191da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata; 22201da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; 22211da177e4SLinus Torvalds 222290ee3466SMark Haverkamp if (fsa_dev_ptr == NULL) 222390ee3466SMark Haverkamp return -1; 22241da177e4SLinus Torvalds /* 22251da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail 22261da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller 22271da177e4SLinus Torvalds * itself. 22281da177e4SLinus Torvalds */ 22291a655040SSalyzyn, Mark cid = scmd_id(scsicmd); 22301a655040SSalyzyn, Mark if (cid != host->this_id) { 22311a655040SSalyzyn, Mark if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) { 22321a655040SSalyzyn, Mark if((cid >= dev->maximum_num_containers) || 2233e5718774SMark Haverkamp (scsicmd->device->lun != 0)) { 22341da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 22351da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 22361da177e4SLinus Torvalds return 0; 22371da177e4SLinus Torvalds } 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvalds /* 22401da177e4SLinus Torvalds * If the target container doesn't exist, it may have 22411da177e4SLinus Torvalds * been newly created 22421da177e4SLinus Torvalds */ 2243655d722cSMark Salyzyn if (((fsa_dev_ptr[cid].valid & 1) == 0) || 2244655d722cSMark Salyzyn (fsa_dev_ptr[cid].sense_data.sense_key == 2245655d722cSMark Salyzyn NOT_READY)) { 22461da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 2247eb846d9fSHannes Reinecke case SERVICE_ACTION_IN_16: 22487a8cf29dSMark Haverkamp if (!(dev->raw_io_interface) || 22497a8cf29dSMark Haverkamp !(dev->raw_io_64) || 22507a8cf29dSMark Haverkamp ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 22517a8cf29dSMark Haverkamp break; 22521da177e4SLinus Torvalds case INQUIRY: 22531da177e4SLinus Torvalds case READ_CAPACITY: 22541da177e4SLinus Torvalds case TEST_UNIT_READY: 22558c867b25SMark Haverkamp if (dev->in_reset) 22568c867b25SMark Haverkamp return -1; 2257fe76df42SMark Haverkamp return _aac_probe_container(scsicmd, 2258fe76df42SMark Haverkamp aac_probe_container_callback2); 22591da177e4SLinus Torvalds default: 22601da177e4SLinus Torvalds break; 22611da177e4SLinus Torvalds } 22621da177e4SLinus Torvalds } 22631da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */ 2264cb1042f2SSalyzyn, Mark if (dev->nondasd_support || expose_physicals || 2265cb1042f2SSalyzyn, Mark dev->jbod) { 22668c867b25SMark Haverkamp if (dev->in_reset) 22678c867b25SMark Haverkamp return -1; 22681da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd); 22691da177e4SLinus Torvalds } else { 22701da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 22711da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 22721da177e4SLinus Torvalds return 0; 22731da177e4SLinus Torvalds } 22741da177e4SLinus Torvalds } 22751da177e4SLinus Torvalds } 22761da177e4SLinus Torvalds /* 22771da177e4SLinus Torvalds * else Command for the controller itself 22781da177e4SLinus Torvalds */ 22791da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ 22801da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY)) 22811da177e4SLinus Torvalds { 22821da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); 22831da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 22848e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 22858e31e607SSalyzyn, Mark ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 22868e31e607SSalyzyn, Mark ASENCODE_INVALID_COMMAND, 0, 0); 22871da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 22883ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), 22893ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE)); 22901da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 22911da177e4SLinus Torvalds return 0; 22921da177e4SLinus Torvalds } 22931da177e4SLinus Torvalds 22941da177e4SLinus Torvalds 22951da177e4SLinus Torvalds /* Handle commands here that don't really require going out to the adapter */ 22961da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) { 22971da177e4SLinus Torvalds case INQUIRY: 22981da177e4SLinus Torvalds { 22993b2946ccSMark Haverkamp struct inquiry_data inq_data; 23001da177e4SLinus Torvalds 23011a655040SSalyzyn, Mark dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); 23023b2946ccSMark Haverkamp memset(&inq_data, 0, sizeof (struct inquiry_data)); 23031da177e4SLinus Torvalds 2304d8e96507SLeubner, Achim if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) { 230588e2f98eSSalyzyn, Mark char *arr = (char *)&inq_data; 230688e2f98eSSalyzyn, Mark 230788e2f98eSSalyzyn, Mark /* EVPD bit set */ 230888e2f98eSSalyzyn, Mark arr[0] = (scmd_id(scsicmd) == host->this_id) ? 230988e2f98eSSalyzyn, Mark INQD_PDT_PROC : INQD_PDT_DA; 231088e2f98eSSalyzyn, Mark if (scsicmd->cmnd[2] == 0) { 231188e2f98eSSalyzyn, Mark /* supported vital product data pages */ 231288e2f98eSSalyzyn, Mark arr[3] = 2; 231388e2f98eSSalyzyn, Mark arr[4] = 0x0; 231488e2f98eSSalyzyn, Mark arr[5] = 0x80; 231588e2f98eSSalyzyn, Mark arr[1] = scsicmd->cmnd[2]; 2316d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data, 231788e2f98eSSalyzyn, Mark sizeof(inq_data)); 231888e2f98eSSalyzyn, Mark scsicmd->result = DID_OK << 16 | 231988e2f98eSSalyzyn, Mark COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 232088e2f98eSSalyzyn, Mark } else if (scsicmd->cmnd[2] == 0x80) { 232188e2f98eSSalyzyn, Mark /* unit serial number page */ 232288e2f98eSSalyzyn, Mark arr[3] = setinqserial(dev, &arr[4], 232388e2f98eSSalyzyn, Mark scmd_id(scsicmd)); 232488e2f98eSSalyzyn, Mark arr[1] = scsicmd->cmnd[2]; 2325d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data, 232688e2f98eSSalyzyn, Mark sizeof(inq_data)); 2327d8e96507SLeubner, Achim if (aac_wwn != 2) 2328d8e96507SLeubner, Achim return aac_get_container_serial( 2329d8e96507SLeubner, Achim scsicmd); 2330d8e96507SLeubner, Achim /* SLES 10 SP1 special */ 2331d8e96507SLeubner, Achim scsicmd->result = DID_OK << 16 | 2332d8e96507SLeubner, Achim COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 233388e2f98eSSalyzyn, Mark } else { 233488e2f98eSSalyzyn, Mark /* vpd page not implemented */ 233588e2f98eSSalyzyn, Mark scsicmd->result = DID_OK << 16 | 233688e2f98eSSalyzyn, Mark COMMAND_COMPLETE << 8 | 233788e2f98eSSalyzyn, Mark SAM_STAT_CHECK_CONDITION; 23388e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 23398e31e607SSalyzyn, Mark ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD, 23408e31e607SSalyzyn, Mark ASENCODE_NO_SENSE, 7, 2); 234188e2f98eSSalyzyn, Mark memcpy(scsicmd->sense_buffer, 234288e2f98eSSalyzyn, Mark &dev->fsa_dev[cid].sense_data, 23433ace426fSSalyzyn, Mark min_t(size_t, 23443ace426fSSalyzyn, Mark sizeof(dev->fsa_dev[cid].sense_data), 23453ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE)); 234688e2f98eSSalyzyn, Mark } 234788e2f98eSSalyzyn, Mark scsicmd->scsi_done(scsicmd); 234888e2f98eSSalyzyn, Mark return 0; 234988e2f98eSSalyzyn, Mark } 23503b2946ccSMark Haverkamp inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ 23513b2946ccSMark 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 */ 23523b2946ccSMark Haverkamp inq_data.inqd_len = 31; 23531da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ 23543b2946ccSMark Haverkamp inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ 23551da177e4SLinus Torvalds /* 23561da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level 23571da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c 23581da177e4SLinus Torvalds */ 23591a655040SSalyzyn, Mark if (cid == host->this_id) { 23606391a113STobias Klauser setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types)); 23613b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ 2362d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data, 2363d4345028SFUJITA Tomonori sizeof(inq_data)); 23641da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 23651da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 23661da177e4SLinus Torvalds return 0; 23671da177e4SLinus Torvalds } 23688c867b25SMark Haverkamp if (dev->in_reset) 23698c867b25SMark Haverkamp return -1; 2370794d0601SMark Haverkamp setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); 23713b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ 2372d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data)); 23739e7c349cSMark Haverkamp return aac_get_container_name(scsicmd); 23741da177e4SLinus Torvalds } 2375eb846d9fSHannes Reinecke case SERVICE_ACTION_IN_16: 23767a8cf29dSMark Haverkamp if (!(dev->raw_io_interface) || 23777a8cf29dSMark Haverkamp !(dev->raw_io_64) || 23787a8cf29dSMark Haverkamp ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 23797a8cf29dSMark Haverkamp break; 23807a8cf29dSMark Haverkamp { 23817a8cf29dSMark Haverkamp u64 capacity; 238207ce5ebaSMark Haverkamp char cp[13]; 2383b271f1c8SFUJITA Tomonori unsigned int alloc_len; 23847a8cf29dSMark Haverkamp 23857a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n")); 23867a8cf29dSMark Haverkamp capacity = fsa_dev_ptr[cid].size - 1; 23877a8cf29dSMark Haverkamp cp[0] = (capacity >> 56) & 0xff; 23887a8cf29dSMark Haverkamp cp[1] = (capacity >> 48) & 0xff; 23897a8cf29dSMark Haverkamp cp[2] = (capacity >> 40) & 0xff; 23907a8cf29dSMark Haverkamp cp[3] = (capacity >> 32) & 0xff; 23917a8cf29dSMark Haverkamp cp[4] = (capacity >> 24) & 0xff; 23927a8cf29dSMark Haverkamp cp[5] = (capacity >> 16) & 0xff; 23937a8cf29dSMark Haverkamp cp[6] = (capacity >> 8) & 0xff; 23947a8cf29dSMark Haverkamp cp[7] = (capacity >> 0) & 0xff; 2395b836439fSMahesh Rajashekhara cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff; 2396b836439fSMahesh Rajashekhara cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff; 2397b836439fSMahesh Rajashekhara cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff; 2398b836439fSMahesh Rajashekhara cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff; 239907ce5ebaSMark Haverkamp cp[12] = 0; 240007ce5ebaSMark Haverkamp 2401b271f1c8SFUJITA Tomonori alloc_len = ((scsicmd->cmnd[10] << 24) 2402b271f1c8SFUJITA Tomonori + (scsicmd->cmnd[11] << 16) 2403b271f1c8SFUJITA Tomonori + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]); 2404b271f1c8SFUJITA Tomonori 2405b271f1c8SFUJITA Tomonori alloc_len = min_t(size_t, alloc_len, sizeof(cp)); 2406d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len); 2407b271f1c8SFUJITA Tomonori if (alloc_len < scsi_bufflen(scsicmd)) 2408b271f1c8SFUJITA Tomonori scsi_set_resid(scsicmd, 2409b271f1c8SFUJITA Tomonori scsi_bufflen(scsicmd) - alloc_len); 24107a8cf29dSMark Haverkamp 24117a8cf29dSMark Haverkamp /* Do not cache partition table for arrays */ 24127a8cf29dSMark Haverkamp scsicmd->device->removable = 1; 24137a8cf29dSMark Haverkamp 24147a8cf29dSMark Haverkamp scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 24157a8cf29dSMark Haverkamp scsicmd->scsi_done(scsicmd); 24167a8cf29dSMark Haverkamp 24177a8cf29dSMark Haverkamp return 0; 24187a8cf29dSMark Haverkamp } 24197a8cf29dSMark Haverkamp 24201da177e4SLinus Torvalds case READ_CAPACITY: 24211da177e4SLinus Torvalds { 24221da177e4SLinus Torvalds u32 capacity; 24233b2946ccSMark Haverkamp char cp[8]; 24241da177e4SLinus Torvalds 24251da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n")); 24267a8cf29dSMark Haverkamp if (fsa_dev_ptr[cid].size <= 0x100000000ULL) 24271da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1; 24281da177e4SLinus Torvalds else 24291da177e4SLinus Torvalds capacity = (u32)-1; 24303b2946ccSMark Haverkamp 24311da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff; 24321da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff; 24331da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff; 24341da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff; 2435b836439fSMahesh Rajashekhara cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff; 2436b836439fSMahesh Rajashekhara cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff; 2437b836439fSMahesh Rajashekhara cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff; 2438b836439fSMahesh Rajashekhara cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff; 2439d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp)); 24407a8cf29dSMark Haverkamp /* Do not cache partition table for arrays */ 24417a8cf29dSMark Haverkamp scsicmd->device->removable = 1; 2442655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 2443655d722cSMark Salyzyn SAM_STAT_GOOD; 24441da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 24451da177e4SLinus Torvalds 24461da177e4SLinus Torvalds return 0; 24471da177e4SLinus Torvalds } 24481da177e4SLinus Torvalds 24491da177e4SLinus Torvalds case MODE_SENSE: 24501da177e4SLinus Torvalds { 24519d399cc7SSalyzyn, Mark int mode_buf_length = 4; 2452b836439fSMahesh Rajashekhara u32 capacity; 2453b836439fSMahesh Rajashekhara aac_modep_data mpd; 2454b836439fSMahesh Rajashekhara 2455b836439fSMahesh Rajashekhara if (fsa_dev_ptr[cid].size <= 0x100000000ULL) 2456b836439fSMahesh Rajashekhara capacity = fsa_dev_ptr[cid].size - 1; 2457b836439fSMahesh Rajashekhara else 2458b836439fSMahesh Rajashekhara capacity = (u32)-1; 24591da177e4SLinus Torvalds 24601da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n")); 2461b836439fSMahesh Rajashekhara memset((char *)&mpd, 0, sizeof(aac_modep_data)); 2462b836439fSMahesh Rajashekhara 2463b836439fSMahesh Rajashekhara /* Mode data length */ 2464b836439fSMahesh Rajashekhara mpd.hd.data_length = sizeof(mpd.hd) - 1; 2465b836439fSMahesh Rajashekhara /* Medium type - default */ 2466b836439fSMahesh Rajashekhara mpd.hd.med_type = 0; 2467b836439fSMahesh Rajashekhara /* Device-specific param, 24689d399cc7SSalyzyn, Mark bit 8: 0/1 = write enabled/protected 24699d399cc7SSalyzyn, Mark bit 4: 0/1 = FUA enabled */ 2470b836439fSMahesh Rajashekhara mpd.hd.dev_par = 0; 2471b836439fSMahesh Rajashekhara 247295e852e1SSalyzyn, Mark if (dev->raw_io_interface && ((aac_cache & 5) != 1)) 2473b836439fSMahesh Rajashekhara mpd.hd.dev_par = 0x10; 2474b836439fSMahesh Rajashekhara if (scsicmd->cmnd[1] & 0x8) 2475b836439fSMahesh Rajashekhara mpd.hd.bd_length = 0; /* Block descriptor length */ 2476b836439fSMahesh Rajashekhara else { 2477b836439fSMahesh Rajashekhara mpd.hd.bd_length = sizeof(mpd.bd); 2478b836439fSMahesh Rajashekhara mpd.hd.data_length += mpd.hd.bd_length; 2479b836439fSMahesh Rajashekhara mpd.bd.block_length[0] = 2480b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 16) & 0xff; 2481b836439fSMahesh Rajashekhara mpd.bd.block_length[1] = 2482b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 8) & 0xff; 2483b836439fSMahesh Rajashekhara mpd.bd.block_length[2] = 2484b836439fSMahesh Rajashekhara fsa_dev_ptr[cid].block_size & 0xff; 2485b836439fSMahesh Rajashekhara if (capacity > 0xffffff) { 2486b836439fSMahesh Rajashekhara mpd.bd.block_count[0] = 0xff; 2487b836439fSMahesh Rajashekhara mpd.bd.block_count[1] = 0xff; 2488b836439fSMahesh Rajashekhara mpd.bd.block_count[2] = 0xff; 2489b836439fSMahesh Rajashekhara } else { 2490b836439fSMahesh Rajashekhara mpd.bd.block_count[0] = (capacity >> 16) & 0xff; 2491b836439fSMahesh Rajashekhara mpd.bd.block_count[1] = (capacity >> 8) & 0xff; 2492b836439fSMahesh Rajashekhara mpd.bd.block_count[2] = capacity & 0xff; 2493b836439fSMahesh Rajashekhara } 2494b836439fSMahesh Rajashekhara } 24959d399cc7SSalyzyn, Mark if (((scsicmd->cmnd[2] & 0x3f) == 8) || 24969d399cc7SSalyzyn, Mark ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) { 2497b836439fSMahesh Rajashekhara mpd.hd.data_length += 3; 2498b836439fSMahesh Rajashekhara mpd.mpc_buf[0] = 8; 2499b836439fSMahesh Rajashekhara mpd.mpc_buf[1] = 1; 2500b836439fSMahesh Rajashekhara mpd.mpc_buf[2] = ((aac_cache & 6) == 2) 250195e852e1SSalyzyn, Mark ? 0 : 0x04; /* WCE */ 2502b836439fSMahesh Rajashekhara mode_buf_length = sizeof(mpd); 25039d399cc7SSalyzyn, Mark if (mode_buf_length > scsicmd->cmnd[4]) 25049d399cc7SSalyzyn, Mark mode_buf_length = scsicmd->cmnd[4]; 25059d399cc7SSalyzyn, Mark } 2506b836439fSMahesh Rajashekhara scsi_sg_copy_from_buffer(scsicmd, 2507b836439fSMahesh Rajashekhara (char *)&mpd, 2508b836439fSMahesh Rajashekhara mode_buf_length); 25091da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 25101da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 25111da177e4SLinus Torvalds 25121da177e4SLinus Torvalds return 0; 25131da177e4SLinus Torvalds } 25141da177e4SLinus Torvalds case MODE_SENSE_10: 25151da177e4SLinus Torvalds { 2516b836439fSMahesh Rajashekhara u32 capacity; 25179d399cc7SSalyzyn, Mark int mode_buf_length = 8; 2518b836439fSMahesh Rajashekhara aac_modep10_data mpd10; 2519b836439fSMahesh Rajashekhara 2520b836439fSMahesh Rajashekhara if (fsa_dev_ptr[cid].size <= 0x100000000ULL) 2521b836439fSMahesh Rajashekhara capacity = fsa_dev_ptr[cid].size - 1; 2522b836439fSMahesh Rajashekhara else 2523b836439fSMahesh Rajashekhara capacity = (u32)-1; 25241da177e4SLinus Torvalds 25251da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); 2526b836439fSMahesh Rajashekhara memset((char *)&mpd10, 0, sizeof(aac_modep10_data)); 2527b836439fSMahesh Rajashekhara /* Mode data length (MSB) */ 2528b836439fSMahesh Rajashekhara mpd10.hd.data_length[0] = 0; 2529b836439fSMahesh Rajashekhara /* Mode data length (LSB) */ 2530b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1; 2531b836439fSMahesh Rajashekhara /* Medium type - default */ 2532b836439fSMahesh Rajashekhara mpd10.hd.med_type = 0; 2533b836439fSMahesh Rajashekhara /* Device-specific param, 25349d399cc7SSalyzyn, Mark bit 8: 0/1 = write enabled/protected 25359d399cc7SSalyzyn, Mark bit 4: 0/1 = FUA enabled */ 2536b836439fSMahesh Rajashekhara mpd10.hd.dev_par = 0; 2537b836439fSMahesh Rajashekhara 253895e852e1SSalyzyn, Mark if (dev->raw_io_interface && ((aac_cache & 5) != 1)) 2539b836439fSMahesh Rajashekhara mpd10.hd.dev_par = 0x10; 2540b836439fSMahesh Rajashekhara mpd10.hd.rsrvd[0] = 0; /* reserved */ 2541b836439fSMahesh Rajashekhara mpd10.hd.rsrvd[1] = 0; /* reserved */ 2542b836439fSMahesh Rajashekhara if (scsicmd->cmnd[1] & 0x8) { 2543b836439fSMahesh Rajashekhara /* Block descriptor length (MSB) */ 2544b836439fSMahesh Rajashekhara mpd10.hd.bd_length[0] = 0; 2545b836439fSMahesh Rajashekhara /* Block descriptor length (LSB) */ 2546b836439fSMahesh Rajashekhara mpd10.hd.bd_length[1] = 0; 2547b836439fSMahesh Rajashekhara } else { 2548b836439fSMahesh Rajashekhara mpd10.hd.bd_length[0] = 0; 2549b836439fSMahesh Rajashekhara mpd10.hd.bd_length[1] = sizeof(mpd10.bd); 2550b836439fSMahesh Rajashekhara 2551b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] += mpd10.hd.bd_length[1]; 2552b836439fSMahesh Rajashekhara 2553b836439fSMahesh Rajashekhara mpd10.bd.block_length[0] = 2554b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 16) & 0xff; 2555b836439fSMahesh Rajashekhara mpd10.bd.block_length[1] = 2556b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 8) & 0xff; 2557b836439fSMahesh Rajashekhara mpd10.bd.block_length[2] = 2558b836439fSMahesh Rajashekhara fsa_dev_ptr[cid].block_size & 0xff; 2559b836439fSMahesh Rajashekhara 2560b836439fSMahesh Rajashekhara if (capacity > 0xffffff) { 2561b836439fSMahesh Rajashekhara mpd10.bd.block_count[0] = 0xff; 2562b836439fSMahesh Rajashekhara mpd10.bd.block_count[1] = 0xff; 2563b836439fSMahesh Rajashekhara mpd10.bd.block_count[2] = 0xff; 2564b836439fSMahesh Rajashekhara } else { 2565b836439fSMahesh Rajashekhara mpd10.bd.block_count[0] = 2566b836439fSMahesh Rajashekhara (capacity >> 16) & 0xff; 2567b836439fSMahesh Rajashekhara mpd10.bd.block_count[1] = 2568b836439fSMahesh Rajashekhara (capacity >> 8) & 0xff; 2569b836439fSMahesh Rajashekhara mpd10.bd.block_count[2] = 2570b836439fSMahesh Rajashekhara capacity & 0xff; 2571b836439fSMahesh Rajashekhara } 2572b836439fSMahesh Rajashekhara } 25739d399cc7SSalyzyn, Mark if (((scsicmd->cmnd[2] & 0x3f) == 8) || 25749d399cc7SSalyzyn, Mark ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) { 2575b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] += 3; 2576b836439fSMahesh Rajashekhara mpd10.mpc_buf[0] = 8; 2577b836439fSMahesh Rajashekhara mpd10.mpc_buf[1] = 1; 2578b836439fSMahesh Rajashekhara mpd10.mpc_buf[2] = ((aac_cache & 6) == 2) 257995e852e1SSalyzyn, Mark ? 0 : 0x04; /* WCE */ 2580b836439fSMahesh Rajashekhara mode_buf_length = sizeof(mpd10); 25819d399cc7SSalyzyn, Mark if (mode_buf_length > scsicmd->cmnd[8]) 25829d399cc7SSalyzyn, Mark mode_buf_length = scsicmd->cmnd[8]; 25839d399cc7SSalyzyn, Mark } 2584b836439fSMahesh Rajashekhara scsi_sg_copy_from_buffer(scsicmd, 2585b836439fSMahesh Rajashekhara (char *)&mpd10, 2586b836439fSMahesh Rajashekhara mode_buf_length); 25871da177e4SLinus Torvalds 25881da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 25891da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 25901da177e4SLinus Torvalds 25911da177e4SLinus Torvalds return 0; 25921da177e4SLinus Torvalds } 25931da177e4SLinus Torvalds case REQUEST_SENSE: 25941da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); 25951da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); 25961da177e4SLinus Torvalds memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); 25971da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 25981da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 25991da177e4SLinus Torvalds return 0; 26001da177e4SLinus Torvalds 26011da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL: 26021da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n")); 26031da177e4SLinus Torvalds if (scsicmd->cmnd[4]) 26041da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1; 26051da177e4SLinus Torvalds else 26061da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0; 26071da177e4SLinus Torvalds 26081da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 26091da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 26101da177e4SLinus Torvalds return 0; 26111da177e4SLinus Torvalds /* 26121da177e4SLinus Torvalds * These commands are all No-Ops 26131da177e4SLinus Torvalds */ 26141da177e4SLinus Torvalds case TEST_UNIT_READY: 2615655d722cSMark Salyzyn if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) { 2616655d722cSMark Salyzyn scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 2617655d722cSMark Salyzyn SAM_STAT_CHECK_CONDITION; 2618655d722cSMark Salyzyn set_sense(&dev->fsa_dev[cid].sense_data, 2619655d722cSMark Salyzyn NOT_READY, SENCODE_BECOMING_READY, 2620655d722cSMark Salyzyn ASENCODE_BECOMING_READY, 0, 0); 2621655d722cSMark Salyzyn memcpy(scsicmd->sense_buffer, 2622655d722cSMark Salyzyn &dev->fsa_dev[cid].sense_data, 2623655d722cSMark Salyzyn min_t(size_t, 2624655d722cSMark Salyzyn sizeof(dev->fsa_dev[cid].sense_data), 2625655d722cSMark Salyzyn SCSI_SENSE_BUFFERSIZE)); 2626655d722cSMark Salyzyn scsicmd->scsi_done(scsicmd); 2627655d722cSMark Salyzyn return 0; 2628655d722cSMark Salyzyn } 2629655d722cSMark Salyzyn /* FALLTHRU */ 26301da177e4SLinus Torvalds case RESERVE: 26311da177e4SLinus Torvalds case RELEASE: 26321da177e4SLinus Torvalds case REZERO_UNIT: 26331da177e4SLinus Torvalds case REASSIGN_BLOCKS: 26341da177e4SLinus Torvalds case SEEK_10: 26351da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 26361da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 26371da177e4SLinus Torvalds return 0; 2638655d722cSMark Salyzyn 2639655d722cSMark Salyzyn case START_STOP: 2640655d722cSMark Salyzyn return aac_start_stop(scsicmd); 26411da177e4SLinus Torvalds } 26421da177e4SLinus Torvalds 26431da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) 26441da177e4SLinus Torvalds { 26451da177e4SLinus Torvalds case READ_6: 26461da177e4SLinus Torvalds case READ_10: 26477a8cf29dSMark Haverkamp case READ_12: 26487a8cf29dSMark Haverkamp case READ_16: 26498c867b25SMark Haverkamp if (dev->in_reset) 26508c867b25SMark Haverkamp return -1; 26511da177e4SLinus Torvalds /* 26521da177e4SLinus Torvalds * Hack to keep track of ordinal number of the device that 26531da177e4SLinus Torvalds * corresponds to a container. Needed to convert 26541da177e4SLinus Torvalds * containers to /dev/sd device names 26551da177e4SLinus Torvalds */ 26561da177e4SLinus Torvalds 26571da177e4SLinus Torvalds if (scsicmd->request->rq_disk) 26587a8cf29dSMark Haverkamp strlcpy(fsa_dev_ptr[cid].devname, 26591da177e4SLinus Torvalds scsicmd->request->rq_disk->disk_name, 26607a8cf29dSMark Haverkamp min(sizeof(fsa_dev_ptr[cid].devname), 26617a8cf29dSMark Haverkamp sizeof(scsicmd->request->rq_disk->disk_name) + 1)); 266277d644d4SMark Haverkamp 26639e7c349cSMark Haverkamp return aac_read(scsicmd); 26641da177e4SLinus Torvalds 26651da177e4SLinus Torvalds case WRITE_6: 26661da177e4SLinus Torvalds case WRITE_10: 26677a8cf29dSMark Haverkamp case WRITE_12: 26687a8cf29dSMark Haverkamp case WRITE_16: 26698c867b25SMark Haverkamp if (dev->in_reset) 26708c867b25SMark Haverkamp return -1; 26719e7c349cSMark Haverkamp return aac_write(scsicmd); 26721da177e4SLinus Torvalds 26731da177e4SLinus Torvalds case SYNCHRONIZE_CACHE: 267495e852e1SSalyzyn, Mark if (((aac_cache & 6) == 6) && dev->cache_protected) { 267595e852e1SSalyzyn, Mark scsicmd->result = DID_OK << 16 | 267695e852e1SSalyzyn, Mark COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; 267795e852e1SSalyzyn, Mark scsicmd->scsi_done(scsicmd); 267895e852e1SSalyzyn, Mark return 0; 267995e852e1SSalyzyn, Mark } 26801da177e4SLinus Torvalds /* Issue FIB to tell Firmware to flush it's cache */ 268195e852e1SSalyzyn, Mark if ((aac_cache & 6) != 2) 26829e7c349cSMark Haverkamp return aac_synchronize(scsicmd); 268395e852e1SSalyzyn, Mark /* FALLTHRU */ 26841da177e4SLinus Torvalds default: 26851da177e4SLinus Torvalds /* 26861da177e4SLinus Torvalds * Unhandled commands 26871da177e4SLinus Torvalds */ 26887c00ffa3SMark Haverkamp dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); 26891da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 26908e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data, 26911da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, 26928e31e607SSalyzyn, Mark ASENCODE_INVALID_COMMAND, 0, 0); 26931da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, 26943ace426fSSalyzyn, Mark min_t(size_t, 26953ace426fSSalyzyn, Mark sizeof(dev->fsa_dev[cid].sense_data), 26963ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE)); 26971da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 26981da177e4SLinus Torvalds return 0; 26991da177e4SLinus Torvalds } 27001da177e4SLinus Torvalds } 27011da177e4SLinus Torvalds 27021da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg) 27031da177e4SLinus Torvalds { 27041da177e4SLinus Torvalds struct aac_query_disk qd; 27051da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 27061da177e4SLinus Torvalds 27071da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 270890ee3466SMark Haverkamp if (!fsa_dev_ptr) 270965101355SMark Haverkamp return -EBUSY; 27101da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) 27111da177e4SLinus Torvalds return -EFAULT; 27121da177e4SLinus Torvalds if (qd.cnum == -1) 2713e5718774SMark Haverkamp qd.cnum = qd.id; 27141da177e4SLinus Torvalds else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) 27151da177e4SLinus Torvalds { 27161da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) 27171da177e4SLinus Torvalds return -EINVAL; 27181da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no; 27191da177e4SLinus Torvalds qd.bus = 0; 27201da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum); 27211da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum); 27221da177e4SLinus Torvalds } 27231da177e4SLinus Torvalds else return -EINVAL; 27241da177e4SLinus Torvalds 2725fd622b1bSSalyzyn, Mark qd.valid = fsa_dev_ptr[qd.cnum].valid != 0; 27261da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked; 27271da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted; 27281da177e4SLinus Torvalds 27291da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0') 27301da177e4SLinus Torvalds qd.unmapped = 1; 27311da177e4SLinus Torvalds else 27321da177e4SLinus Torvalds qd.unmapped = 0; 27331da177e4SLinus Torvalds 27341da177e4SLinus Torvalds strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname, 27351da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1)); 27361da177e4SLinus Torvalds 27371da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk))) 27381da177e4SLinus Torvalds return -EFAULT; 27391da177e4SLinus Torvalds return 0; 27401da177e4SLinus Torvalds } 27411da177e4SLinus Torvalds 27421da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg) 27431da177e4SLinus Torvalds { 27441da177e4SLinus Torvalds struct aac_delete_disk dd; 27451da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 27461da177e4SLinus Torvalds 27471da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 274865101355SMark Haverkamp if (!fsa_dev_ptr) 274965101355SMark Haverkamp return -EBUSY; 27501da177e4SLinus Torvalds 27511da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 27521da177e4SLinus Torvalds return -EFAULT; 27531da177e4SLinus Torvalds 27541da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 27551da177e4SLinus Torvalds return -EINVAL; 27561da177e4SLinus Torvalds /* 27571da177e4SLinus Torvalds * Mark this container as being deleted. 27581da177e4SLinus Torvalds */ 27591da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1; 27601da177e4SLinus Torvalds /* 27611da177e4SLinus Torvalds * Mark the container as no longer valid 27621da177e4SLinus Torvalds */ 27631da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 27641da177e4SLinus Torvalds return 0; 27651da177e4SLinus Torvalds } 27661da177e4SLinus Torvalds 27671da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg) 27681da177e4SLinus Torvalds { 27691da177e4SLinus Torvalds struct aac_delete_disk dd; 27701da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr; 27711da177e4SLinus Torvalds 27721da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev; 277390ee3466SMark Haverkamp if (!fsa_dev_ptr) 277465101355SMark Haverkamp return -EBUSY; 27751da177e4SLinus Torvalds 27761da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) 27771da177e4SLinus Torvalds return -EFAULT; 27781da177e4SLinus Torvalds 27791da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers) 27801da177e4SLinus Torvalds return -EINVAL; 27811da177e4SLinus Torvalds /* 27821da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API. 27831da177e4SLinus Torvalds */ 27841da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked) 27851da177e4SLinus Torvalds return -EBUSY; 27861da177e4SLinus Torvalds else { 27871da177e4SLinus Torvalds /* 27881da177e4SLinus Torvalds * Mark the container as no longer being valid. 27891da177e4SLinus Torvalds */ 27901da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0; 27911da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0'; 27921da177e4SLinus Torvalds return 0; 27931da177e4SLinus Torvalds } 27941da177e4SLinus Torvalds } 27951da177e4SLinus Torvalds 27961da177e4SLinus Torvalds int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) 27971da177e4SLinus Torvalds { 27981da177e4SLinus Torvalds switch (cmd) { 27991da177e4SLinus Torvalds case FSACTL_QUERY_DISK: 28001da177e4SLinus Torvalds return query_disk(dev, arg); 28011da177e4SLinus Torvalds case FSACTL_DELETE_DISK: 28021da177e4SLinus Torvalds return delete_disk(dev, arg); 28031da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK: 28041da177e4SLinus Torvalds return force_delete_disk(dev, arg); 28051da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS: 28061da177e4SLinus Torvalds return aac_get_containers(dev); 28071da177e4SLinus Torvalds default: 28081da177e4SLinus Torvalds return -ENOTTY; 28091da177e4SLinus Torvalds } 28101da177e4SLinus Torvalds } 28111da177e4SLinus Torvalds 28121da177e4SLinus Torvalds /** 28131da177e4SLinus Torvalds * 28141da177e4SLinus Torvalds * aac_srb_callback 28151da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd 28161da177e4SLinus Torvalds * @fibptr: pointer to the fib 28171da177e4SLinus Torvalds * 28181da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device 28191da177e4SLinus Torvalds * 28201da177e4SLinus Torvalds */ 28211da177e4SLinus Torvalds 28221da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr) 28231da177e4SLinus Torvalds { 28241da177e4SLinus Torvalds struct aac_dev *dev; 28251da177e4SLinus Torvalds struct aac_srb_reply *srbreply; 28261da177e4SLinus Torvalds struct scsi_cmnd *scsicmd; 28271da177e4SLinus Torvalds 28281da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context; 282903d44337SMark Haverkamp 283003d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr)) 283103d44337SMark Haverkamp return; 283203d44337SMark Haverkamp 2833125e1874SEric Sesterhenn BUG_ON(fibptr == NULL); 28341da177e4SLinus Torvalds 28351a655040SSalyzyn, Mark dev = fibptr->dev; 28361a655040SSalyzyn, Mark 28371da177e4SLinus Torvalds srbreply = (struct aac_srb_reply *) fib_data(fibptr); 28381da177e4SLinus Torvalds 28391da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ 284085d22bbfSMahesh Rajashekhara 284185d22bbfSMahesh Rajashekhara if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) { 284285d22bbfSMahesh Rajashekhara /* fast response */ 284385d22bbfSMahesh Rajashekhara srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS); 284485d22bbfSMahesh Rajashekhara srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD); 284585d22bbfSMahesh Rajashekhara } else { 28461da177e4SLinus Torvalds /* 28471da177e4SLinus Torvalds * Calculate resid for sg 28481da177e4SLinus Torvalds */ 2849727eead6SFUJITA Tomonori scsi_set_resid(scsicmd, scsi_bufflen(scsicmd) 2850727eead6SFUJITA Tomonori - le32_to_cpu(srbreply->data_xfer_length)); 285185d22bbfSMahesh Rajashekhara } 28521da177e4SLinus Torvalds 2853727eead6SFUJITA Tomonori scsi_dma_unmap(scsicmd); 28541da177e4SLinus Torvalds 2855e3cc268fSRajashekhara, Mahesh /* expose physical device if expose_physicald flag is on */ 2856e3cc268fSRajashekhara, Mahesh if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01) 2857e3cc268fSRajashekhara, Mahesh && expose_physicals > 0) 2858e3cc268fSRajashekhara, Mahesh aac_expose_phy_device(scsicmd); 2859e3cc268fSRajashekhara, Mahesh 28601da177e4SLinus Torvalds /* 28611da177e4SLinus Torvalds * First check the fib status 28621da177e4SLinus Torvalds */ 28631da177e4SLinus Torvalds 28641da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK){ 28651da177e4SLinus Torvalds int len; 28661da177e4SLinus Torvalds printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); 28673ace426fSSalyzyn, Mark len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), 28683ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE); 28691da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; 28701da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 28711da177e4SLinus Torvalds } 28721da177e4SLinus Torvalds 28731da177e4SLinus Torvalds /* 28741da177e4SLinus Torvalds * Next check the srb status 28751da177e4SLinus Torvalds */ 28761da177e4SLinus Torvalds switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ 28771da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY: 28781da177e4SLinus Torvalds case SRB_STATUS_PENDING: 28791da177e4SLinus Torvalds case SRB_STATUS_SUCCESS: 28801da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 28811da177e4SLinus Torvalds break; 28821da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN: 28831da177e4SLinus Torvalds switch(scsicmd->cmnd[0]){ 28841da177e4SLinus Torvalds case READ_6: 28851da177e4SLinus Torvalds case WRITE_6: 28861da177e4SLinus Torvalds case READ_10: 28871da177e4SLinus Torvalds case WRITE_10: 28881da177e4SLinus Torvalds case READ_12: 28891da177e4SLinus Torvalds case WRITE_12: 28907a8cf29dSMark Haverkamp case READ_16: 28917a8cf29dSMark Haverkamp case WRITE_16: 28921da177e4SLinus Torvalds if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) { 28931da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); 28941da177e4SLinus Torvalds } else { 28951da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); 28961da177e4SLinus Torvalds } 28971da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; 28981da177e4SLinus Torvalds break; 28991da177e4SLinus Torvalds case INQUIRY: { 29001da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 29011da177e4SLinus Torvalds break; 29021da177e4SLinus Torvalds } 29031da177e4SLinus Torvalds default: 29041da177e4SLinus Torvalds scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; 29051da177e4SLinus Torvalds break; 29061da177e4SLinus Torvalds } 29071da177e4SLinus Torvalds break; 29081da177e4SLinus Torvalds case SRB_STATUS_ABORTED: 29091da177e4SLinus Torvalds scsicmd->result = DID_ABORT << 16 | ABORT << 8; 29101da177e4SLinus Torvalds break; 29111da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED: 29121da177e4SLinus Torvalds // Not sure about this one - but assuming the hba was trying to abort for some reason 29131da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | ABORT << 8; 29141da177e4SLinus Torvalds break; 29151da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR: 29161da177e4SLinus Torvalds scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; 29171da177e4SLinus Torvalds break; 29181da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE: 29191da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID: 29201da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID: 29211da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN: 29221da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT: 29231da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; 29241da177e4SLinus Torvalds break; 29251da177e4SLinus Torvalds 29261da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT: 29271da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT: 29281da177e4SLinus Torvalds scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; 29291da177e4SLinus Torvalds break; 29301da177e4SLinus Torvalds 29311da177e4SLinus Torvalds case SRB_STATUS_BUSY: 2932760af100SSalyzyn, Mark scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8; 29331da177e4SLinus Torvalds break; 29341da177e4SLinus Torvalds 29351da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET: 29361da177e4SLinus Torvalds scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; 29371da177e4SLinus Torvalds break; 29381da177e4SLinus Torvalds 29391da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED: 29401da177e4SLinus Torvalds scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; 29411da177e4SLinus Torvalds break; 29421da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED: 29431da177e4SLinus Torvalds case SRB_STATUS_ERROR: 29441da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST: 29451da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED: 29461da177e4SLinus Torvalds case SRB_STATUS_NO_HBA: 29471da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE: 29481da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE: 29491da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: 29501da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY: 29511da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION: 29521da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED: 29531da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE: 29541da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT: 29551da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL: 29561da177e4SLinus Torvalds default: 29571da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 29581da177e4SLinus Torvalds printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", 29591da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F, 29601da177e4SLinus Torvalds aac_get_status_string( 29611da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F), 29621da177e4SLinus Torvalds scsicmd->cmnd[0], 29631da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status)); 29641da177e4SLinus Torvalds #endif 29651fc8010aSRajashekhara, Mahesh if ((scsicmd->cmnd[0] == ATA_12) 29661fc8010aSRajashekhara, Mahesh || (scsicmd->cmnd[0] == ATA_16)) { 29671fc8010aSRajashekhara, Mahesh if (scsicmd->cmnd[2] & (0x01 << 5)) { 29681fc8010aSRajashekhara, Mahesh scsicmd->result = DID_OK << 16 29691fc8010aSRajashekhara, Mahesh | COMMAND_COMPLETE << 8; 29701da177e4SLinus Torvalds break; 29711fc8010aSRajashekhara, Mahesh } else { 29721fc8010aSRajashekhara, Mahesh scsicmd->result = DID_ERROR << 16 29731fc8010aSRajashekhara, Mahesh | COMMAND_COMPLETE << 8; 29741fc8010aSRajashekhara, Mahesh break; 29751fc8010aSRajashekhara, Mahesh } 29761fc8010aSRajashekhara, Mahesh } else { 29771fc8010aSRajashekhara, Mahesh scsicmd->result = DID_ERROR << 16 29781fc8010aSRajashekhara, Mahesh | COMMAND_COMPLETE << 8; 29791fc8010aSRajashekhara, Mahesh break; 29801fc8010aSRajashekhara, Mahesh } 29811da177e4SLinus Torvalds } 29828ce3eca4SSalyzyn, Mark if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) { 29831da177e4SLinus Torvalds int len; 29841da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION; 29853ace426fSSalyzyn, Mark len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), 29863ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE); 29871da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 29887a8cf29dSMark Haverkamp printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", 29897a8cf29dSMark Haverkamp le32_to_cpu(srbreply->status), len); 29901da177e4SLinus Torvalds #endif 29911da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); 29921da177e4SLinus Torvalds } 29931da177e4SLinus Torvalds /* 29941da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit) 29951da177e4SLinus Torvalds */ 29961da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status); 29971da177e4SLinus Torvalds 2998bfb35aa8SMark Haverkamp aac_fib_complete(fibptr); 2999bfb35aa8SMark Haverkamp aac_fib_free(fibptr); 30008e0c5ebdSMark Haverkamp scsicmd->scsi_done(scsicmd); 30011da177e4SLinus Torvalds } 30021da177e4SLinus Torvalds 30031da177e4SLinus Torvalds /** 30041da177e4SLinus Torvalds * 30051da177e4SLinus Torvalds * aac_send_scb_fib 30061da177e4SLinus Torvalds * @scsicmd: the scsi command block 30071da177e4SLinus Torvalds * 30081da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the 30091da177e4SLinus Torvalds * scsicmd passed in. 30101da177e4SLinus Torvalds */ 30111da177e4SLinus Torvalds 30121da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) 30131da177e4SLinus Torvalds { 30141da177e4SLinus Torvalds struct fib* cmd_fibcontext; 30151da177e4SLinus Torvalds struct aac_dev* dev; 30161da177e4SLinus Torvalds int status; 30171da177e4SLinus Torvalds 301884971738SMark Haverkamp dev = (struct aac_dev *)scsicmd->device->host->hostdata; 3019e5718774SMark Haverkamp if (scmd_id(scsicmd) >= dev->maximum_num_physicals || 302084971738SMark Haverkamp scsicmd->device->lun > 7) { 30211da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16; 30221da177e4SLinus Torvalds scsicmd->scsi_done(scsicmd); 30231da177e4SLinus Torvalds return 0; 30241da177e4SLinus Torvalds } 30251da177e4SLinus Torvalds 30261da177e4SLinus Torvalds /* 30271da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command 30281da177e4SLinus Torvalds */ 3029bfb35aa8SMark Haverkamp if (!(cmd_fibcontext = aac_fib_alloc(dev))) { 30301da177e4SLinus Torvalds return -1; 30311da177e4SLinus Torvalds } 3032e8f32de5SMark Haverkamp status = aac_adapter_scsi(cmd_fibcontext, scsicmd); 30331da177e4SLinus Torvalds 30341da177e4SLinus Torvalds /* 30351da177e4SLinus Torvalds * Check that the command queued to the controller 30361da177e4SLinus Torvalds */ 30371da177e4SLinus Torvalds if (status == -EINPROGRESS) { 303877d644d4SMark Haverkamp scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 30391da177e4SLinus Torvalds return 0; 30401da177e4SLinus Torvalds } 30411da177e4SLinus Torvalds 3042bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status); 3043bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext); 3044bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext); 30451da177e4SLinus Torvalds 30461da177e4SLinus Torvalds return -1; 30471da177e4SLinus Torvalds } 30481da177e4SLinus Torvalds 30490b433447SMahesh Rajashekhara static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg) 30501da177e4SLinus Torvalds { 30511da177e4SLinus Torvalds struct aac_dev *dev; 30521da177e4SLinus Torvalds unsigned long byte_count = 0; 3053727eead6SFUJITA Tomonori int nseg; 30541da177e4SLinus Torvalds 30551da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 30561da177e4SLinus Torvalds // Get rid of old data 30571da177e4SLinus Torvalds psg->count = 0; 30581da177e4SLinus Torvalds psg->sg[0].addr = 0; 30591da177e4SLinus Torvalds psg->sg[0].count = 0; 3060727eead6SFUJITA Tomonori 3061727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd); 30620b433447SMahesh Rajashekhara if (nseg < 0) 30630b433447SMahesh Rajashekhara return nseg; 3064727eead6SFUJITA Tomonori if (nseg) { 30651da177e4SLinus Torvalds struct scatterlist *sg; 30661da177e4SLinus Torvalds int i; 30671da177e4SLinus Torvalds 3068727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg); 30691da177e4SLinus Torvalds 3070727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) { 30711da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg)); 30721da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); 30731da177e4SLinus Torvalds byte_count += sg_dma_len(sg); 30741da177e4SLinus Torvalds } 30751da177e4SLinus Torvalds /* hba wants the size to be exact */ 3076727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) { 307756b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 3078727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd)); 307956b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 3080727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd); 30811da177e4SLinus Torvalds } 30821da177e4SLinus Torvalds /* Check for command underflow */ 30831da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 30841da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 30851da177e4SLinus Torvalds byte_count, scsicmd->underflow); 30861da177e4SLinus Torvalds } 30871da177e4SLinus Torvalds } 30881da177e4SLinus Torvalds return byte_count; 30891da177e4SLinus Torvalds } 30901da177e4SLinus Torvalds 30911da177e4SLinus Torvalds 30920b433447SMahesh Rajashekhara static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg) 30931da177e4SLinus Torvalds { 30941da177e4SLinus Torvalds struct aac_dev *dev; 30951da177e4SLinus Torvalds unsigned long byte_count = 0; 309656b58712SMark Haverkamp u64 addr; 3097727eead6SFUJITA Tomonori int nseg; 30981da177e4SLinus Torvalds 30991da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata; 31001da177e4SLinus Torvalds // Get rid of old data 31011da177e4SLinus Torvalds psg->count = 0; 31021da177e4SLinus Torvalds psg->sg[0].addr[0] = 0; 31031da177e4SLinus Torvalds psg->sg[0].addr[1] = 0; 31041da177e4SLinus Torvalds psg->sg[0].count = 0; 3105727eead6SFUJITA Tomonori 3106727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd); 31070b433447SMahesh Rajashekhara if (nseg < 0) 31080b433447SMahesh Rajashekhara return nseg; 3109727eead6SFUJITA Tomonori if (nseg) { 31101da177e4SLinus Torvalds struct scatterlist *sg; 31111da177e4SLinus Torvalds int i; 31121da177e4SLinus Torvalds 3113727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) { 31141241f359SMark Haverkamp int count = sg_dma_len(sg); 311556b58712SMark Haverkamp addr = sg_dma_address(sg); 311656b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff); 311756b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32); 31181241f359SMark Haverkamp psg->sg[i].count = cpu_to_le32(count); 31191241f359SMark Haverkamp byte_count += count; 31201da177e4SLinus Torvalds } 3121727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg); 31221da177e4SLinus Torvalds /* hba wants the size to be exact */ 3123727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) { 312456b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 3125727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd)); 312656b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 3127727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd); 31281da177e4SLinus Torvalds } 31291da177e4SLinus Torvalds /* Check for command underflow */ 31301da177e4SLinus Torvalds if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 31311da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 31321da177e4SLinus Torvalds byte_count, scsicmd->underflow); 31331da177e4SLinus Torvalds } 31341da177e4SLinus Torvalds } 31351da177e4SLinus Torvalds return byte_count; 31361da177e4SLinus Torvalds } 31371da177e4SLinus Torvalds 31380b433447SMahesh Rajashekhara static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg) 31390e68c003SMark Haverkamp { 31400e68c003SMark Haverkamp unsigned long byte_count = 0; 3141727eead6SFUJITA Tomonori int nseg; 31420e68c003SMark Haverkamp 31430e68c003SMark Haverkamp // Get rid of old data 31440e68c003SMark Haverkamp psg->count = 0; 31450e68c003SMark Haverkamp psg->sg[0].next = 0; 31460e68c003SMark Haverkamp psg->sg[0].prev = 0; 31470e68c003SMark Haverkamp psg->sg[0].addr[0] = 0; 31480e68c003SMark Haverkamp psg->sg[0].addr[1] = 0; 31490e68c003SMark Haverkamp psg->sg[0].count = 0; 31500e68c003SMark Haverkamp psg->sg[0].flags = 0; 3151727eead6SFUJITA Tomonori 3152727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd); 31530b433447SMahesh Rajashekhara if (nseg < 0) 31540b433447SMahesh Rajashekhara return nseg; 3155727eead6SFUJITA Tomonori if (nseg) { 31560e68c003SMark Haverkamp struct scatterlist *sg; 31570e68c003SMark Haverkamp int i; 31580e68c003SMark Haverkamp 3159727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) { 31600e68c003SMark Haverkamp int count = sg_dma_len(sg); 31610e68c003SMark Haverkamp u64 addr = sg_dma_address(sg); 31620e68c003SMark Haverkamp psg->sg[i].next = 0; 31630e68c003SMark Haverkamp psg->sg[i].prev = 0; 31640e68c003SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32)); 31650e68c003SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); 31660e68c003SMark Haverkamp psg->sg[i].count = cpu_to_le32(count); 31670e68c003SMark Haverkamp psg->sg[i].flags = 0; 31680e68c003SMark Haverkamp byte_count += count; 31690e68c003SMark Haverkamp } 3170727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg); 31710e68c003SMark Haverkamp /* hba wants the size to be exact */ 3172727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) { 31730e68c003SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) - 3174727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd)); 31750e68c003SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp); 3176727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd); 31770e68c003SMark Haverkamp } 31780e68c003SMark Haverkamp /* Check for command underflow */ 31790e68c003SMark Haverkamp if(scsicmd->underflow && (byte_count < scsicmd->underflow)){ 31800e68c003SMark Haverkamp printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 31810e68c003SMark Haverkamp byte_count, scsicmd->underflow); 31820e68c003SMark Haverkamp } 31830e68c003SMark Haverkamp } 31840e68c003SMark Haverkamp return byte_count; 31850e68c003SMark Haverkamp } 31860e68c003SMark Haverkamp 31870b433447SMahesh Rajashekhara static long aac_build_sgraw2(struct scsi_cmnd *scsicmd, 31880b433447SMahesh Rajashekhara struct aac_raw_io2 *rio2, int sg_max) 318985d22bbfSMahesh Rajashekhara { 319085d22bbfSMahesh Rajashekhara unsigned long byte_count = 0; 319185d22bbfSMahesh Rajashekhara int nseg; 319285d22bbfSMahesh Rajashekhara 319385d22bbfSMahesh Rajashekhara nseg = scsi_dma_map(scsicmd); 31940b433447SMahesh Rajashekhara if (nseg < 0) 31950b433447SMahesh Rajashekhara return nseg; 319685d22bbfSMahesh Rajashekhara if (nseg) { 319785d22bbfSMahesh Rajashekhara struct scatterlist *sg; 319885d22bbfSMahesh Rajashekhara int i, conformable = 0; 319985d22bbfSMahesh Rajashekhara u32 min_size = PAGE_SIZE, cur_size; 320085d22bbfSMahesh Rajashekhara 320185d22bbfSMahesh Rajashekhara scsi_for_each_sg(scsicmd, sg, nseg, i) { 320285d22bbfSMahesh Rajashekhara int count = sg_dma_len(sg); 320385d22bbfSMahesh Rajashekhara u64 addr = sg_dma_address(sg); 320485d22bbfSMahesh Rajashekhara 320585d22bbfSMahesh Rajashekhara BUG_ON(i >= sg_max); 320685d22bbfSMahesh Rajashekhara rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32)); 320785d22bbfSMahesh Rajashekhara rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff)); 320885d22bbfSMahesh Rajashekhara cur_size = cpu_to_le32(count); 320985d22bbfSMahesh Rajashekhara rio2->sge[i].length = cur_size; 321085d22bbfSMahesh Rajashekhara rio2->sge[i].flags = 0; 321185d22bbfSMahesh Rajashekhara if (i == 0) { 321285d22bbfSMahesh Rajashekhara conformable = 1; 321385d22bbfSMahesh Rajashekhara rio2->sgeFirstSize = cur_size; 321485d22bbfSMahesh Rajashekhara } else if (i == 1) { 321585d22bbfSMahesh Rajashekhara rio2->sgeNominalSize = cur_size; 321685d22bbfSMahesh Rajashekhara min_size = cur_size; 321785d22bbfSMahesh Rajashekhara } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) { 321885d22bbfSMahesh Rajashekhara conformable = 0; 321985d22bbfSMahesh Rajashekhara if (cur_size < min_size) 322085d22bbfSMahesh Rajashekhara min_size = cur_size; 322185d22bbfSMahesh Rajashekhara } 322285d22bbfSMahesh Rajashekhara byte_count += count; 322385d22bbfSMahesh Rajashekhara } 322485d22bbfSMahesh Rajashekhara 322585d22bbfSMahesh Rajashekhara /* hba wants the size to be exact */ 322685d22bbfSMahesh Rajashekhara if (byte_count > scsi_bufflen(scsicmd)) { 322785d22bbfSMahesh Rajashekhara u32 temp = le32_to_cpu(rio2->sge[i-1].length) - 322885d22bbfSMahesh Rajashekhara (byte_count - scsi_bufflen(scsicmd)); 322985d22bbfSMahesh Rajashekhara rio2->sge[i-1].length = cpu_to_le32(temp); 323085d22bbfSMahesh Rajashekhara byte_count = scsi_bufflen(scsicmd); 323185d22bbfSMahesh Rajashekhara } 323285d22bbfSMahesh Rajashekhara 323385d22bbfSMahesh Rajashekhara rio2->sgeCnt = cpu_to_le32(nseg); 323485d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212); 323585d22bbfSMahesh Rajashekhara /* not conformable: evaluate required sg elements */ 323685d22bbfSMahesh Rajashekhara if (!conformable) { 323785d22bbfSMahesh Rajashekhara int j, nseg_new = nseg, err_found; 323885d22bbfSMahesh Rajashekhara for (i = min_size / PAGE_SIZE; i >= 1; --i) { 323985d22bbfSMahesh Rajashekhara err_found = 0; 324085d22bbfSMahesh Rajashekhara nseg_new = 2; 324185d22bbfSMahesh Rajashekhara for (j = 1; j < nseg - 1; ++j) { 324285d22bbfSMahesh Rajashekhara if (rio2->sge[j].length % (i*PAGE_SIZE)) { 324385d22bbfSMahesh Rajashekhara err_found = 1; 324485d22bbfSMahesh Rajashekhara break; 324585d22bbfSMahesh Rajashekhara } 324685d22bbfSMahesh Rajashekhara nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE)); 324785d22bbfSMahesh Rajashekhara } 324885d22bbfSMahesh Rajashekhara if (!err_found) 324985d22bbfSMahesh Rajashekhara break; 325085d22bbfSMahesh Rajashekhara } 325185d22bbfSMahesh Rajashekhara if (i > 0 && nseg_new <= sg_max) 325285d22bbfSMahesh Rajashekhara aac_convert_sgraw2(rio2, i, nseg, nseg_new); 325385d22bbfSMahesh Rajashekhara } else 325485d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT); 325585d22bbfSMahesh Rajashekhara 325685d22bbfSMahesh Rajashekhara /* Check for command underflow */ 325785d22bbfSMahesh Rajashekhara if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { 325885d22bbfSMahesh Rajashekhara printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n", 325985d22bbfSMahesh Rajashekhara byte_count, scsicmd->underflow); 326085d22bbfSMahesh Rajashekhara } 326185d22bbfSMahesh Rajashekhara } 326285d22bbfSMahesh Rajashekhara 326385d22bbfSMahesh Rajashekhara return byte_count; 326485d22bbfSMahesh Rajashekhara } 326585d22bbfSMahesh Rajashekhara 326685d22bbfSMahesh Rajashekhara static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new) 326785d22bbfSMahesh Rajashekhara { 326885d22bbfSMahesh Rajashekhara struct sge_ieee1212 *sge; 326985d22bbfSMahesh Rajashekhara int i, j, pos; 327085d22bbfSMahesh Rajashekhara u32 addr_low; 327185d22bbfSMahesh Rajashekhara 327285d22bbfSMahesh Rajashekhara if (aac_convert_sgl == 0) 327385d22bbfSMahesh Rajashekhara return 0; 327485d22bbfSMahesh Rajashekhara 327585d22bbfSMahesh Rajashekhara sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC); 327685d22bbfSMahesh Rajashekhara if (sge == NULL) 327785d22bbfSMahesh Rajashekhara return -1; 327885d22bbfSMahesh Rajashekhara 327985d22bbfSMahesh Rajashekhara for (i = 1, pos = 1; i < nseg-1; ++i) { 328085d22bbfSMahesh Rajashekhara for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) { 328185d22bbfSMahesh Rajashekhara addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE; 328285d22bbfSMahesh Rajashekhara sge[pos].addrLow = addr_low; 328385d22bbfSMahesh Rajashekhara sge[pos].addrHigh = rio2->sge[i].addrHigh; 328485d22bbfSMahesh Rajashekhara if (addr_low < rio2->sge[i].addrLow) 328585d22bbfSMahesh Rajashekhara sge[pos].addrHigh++; 328685d22bbfSMahesh Rajashekhara sge[pos].length = pages * PAGE_SIZE; 328785d22bbfSMahesh Rajashekhara sge[pos].flags = 0; 328885d22bbfSMahesh Rajashekhara pos++; 328985d22bbfSMahesh Rajashekhara } 329085d22bbfSMahesh Rajashekhara } 329185d22bbfSMahesh Rajashekhara sge[pos] = rio2->sge[nseg-1]; 329285d22bbfSMahesh Rajashekhara memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212)); 329385d22bbfSMahesh Rajashekhara 329485d22bbfSMahesh Rajashekhara kfree(sge); 329585d22bbfSMahesh Rajashekhara rio2->sgeCnt = cpu_to_le32(nseg_new); 329685d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT); 329785d22bbfSMahesh Rajashekhara rio2->sgeNominalSize = pages * PAGE_SIZE; 329885d22bbfSMahesh Rajashekhara return 0; 329985d22bbfSMahesh Rajashekhara } 330085d22bbfSMahesh Rajashekhara 33011da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO 33021da177e4SLinus Torvalds 33031da177e4SLinus Torvalds struct aac_srb_status_info { 33041da177e4SLinus Torvalds u32 status; 33051da177e4SLinus Torvalds char *str; 33061da177e4SLinus Torvalds }; 33071da177e4SLinus Torvalds 33081da177e4SLinus Torvalds 33091da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = { 33101da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"}, 33111da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"}, 33121da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"}, 33131da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"}, 33141da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"}, 33151da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"}, 33161da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"}, 33171da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"}, 33181da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"}, 33191da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"}, 33201da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"}, 33211da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"}, 33221da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"}, 33231da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"}, 33241da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"}, 33251da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"}, 33261da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"}, 33271da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"}, 33281da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"}, 33291da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"}, 33301da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"}, 33311da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"}, 33321da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"}, 33331da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"}, 33341da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"}, 33351da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"}, 33361da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, 33371da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"}, 33381da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"}, 33391da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"}, 33401da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, 33411da177e4SLinus Torvalds { 0xff, "Unknown Error"} 33421da177e4SLinus Torvalds }; 33431da177e4SLinus Torvalds 33441da177e4SLinus Torvalds char *aac_get_status_string(u32 status) 33451da177e4SLinus Torvalds { 33461da177e4SLinus Torvalds int i; 33471da177e4SLinus Torvalds 33486391a113STobias Klauser for (i = 0; i < ARRAY_SIZE(srb_status_info); i++) 33496391a113STobias Klauser if (srb_status_info[i].status == status) 33501da177e4SLinus Torvalds return srb_status_info[i].str; 33511da177e4SLinus Torvalds 33521da177e4SLinus Torvalds return "Bad Status Code"; 33531da177e4SLinus Torvalds } 33541da177e4SLinus Torvalds 33551da177e4SLinus Torvalds #endif 3356