1c82ee6d3SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
21da177e4SLinus Torvalds /*
31da177e4SLinus Torvalds * Adaptec AAC series RAID controller driver
4fa195afeSAlan Cox * (c) Copyright 2001 Red Hat Inc.
51da177e4SLinus Torvalds *
61da177e4SLinus Torvalds * based on the old aacraid driver that is..
71da177e4SLinus Torvalds * Adaptec aacraid device driver for Linux.
81da177e4SLinus Torvalds *
9e8b12f0fSMahesh Rajashekhara * Copyright (c) 2000-2010 Adaptec, Inc.
10f4babba0SRaghava Aditya Renukunta * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11f4babba0SRaghava Aditya Renukunta * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
121da177e4SLinus Torvalds *
13f4babba0SRaghava Aditya Renukunta * Module Name:
14f4babba0SRaghava Aditya Renukunta * aachba.c
15f4babba0SRaghava Aditya Renukunta *
16f4babba0SRaghava Aditya Renukunta * Abstract: Contains Interfaces to manage IOs.
171da177e4SLinus Torvalds */
181da177e4SLinus Torvalds
191da177e4SLinus Torvalds #include <linux/kernel.h>
201da177e4SLinus Torvalds #include <linux/init.h>
211da177e4SLinus Torvalds #include <linux/types.h>
221da177e4SLinus Torvalds #include <linux/pci.h>
231da177e4SLinus Torvalds #include <linux/spinlock.h>
241da177e4SLinus Torvalds #include <linux/slab.h>
251da177e4SLinus Torvalds #include <linux/completion.h>
261da177e4SLinus Torvalds #include <linux/blkdev.h>
277c0f6ba6SLinus Torvalds #include <linux/uaccess.h>
28acf3368fSPaul Gortmaker #include <linux/module.h>
291da177e4SLinus Torvalds
304b000227SRaghava Aditya Renukunta #include <asm/unaligned.h>
314b000227SRaghava Aditya Renukunta
321da177e4SLinus Torvalds #include <scsi/scsi.h>
331da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h>
341da177e4SLinus Torvalds #include <scsi/scsi_device.h>
351da177e4SLinus Torvalds #include <scsi/scsi_host.h>
361da177e4SLinus Torvalds
371da177e4SLinus Torvalds #include "aacraid.h"
381da177e4SLinus Torvalds
391da177e4SLinus Torvalds /* values for inqd_pdt: Peripheral device type in plain English */
401da177e4SLinus Torvalds #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
411da177e4SLinus Torvalds #define INQD_PDT_PROC 0x03 /* Processor device */
421da177e4SLinus Torvalds #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
431da177e4SLinus Torvalds #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
441da177e4SLinus Torvalds #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
451da177e4SLinus Torvalds #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
461da177e4SLinus Torvalds
471da177e4SLinus Torvalds #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
481da177e4SLinus Torvalds #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
491da177e4SLinus Torvalds
501da177e4SLinus Torvalds /*
511da177e4SLinus Torvalds * Sense codes
521da177e4SLinus Torvalds */
531da177e4SLinus Torvalds
541da177e4SLinus Torvalds #define SENCODE_NO_SENSE 0x00
551da177e4SLinus Torvalds #define SENCODE_END_OF_DATA 0x00
561da177e4SLinus Torvalds #define SENCODE_BECOMING_READY 0x04
571da177e4SLinus Torvalds #define SENCODE_INIT_CMD_REQUIRED 0x04
58f956a669SRaghava Aditya Renukunta #define SENCODE_UNRECOVERED_READ_ERROR 0x11
591da177e4SLinus Torvalds #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
601da177e4SLinus Torvalds #define SENCODE_INVALID_COMMAND 0x20
611da177e4SLinus Torvalds #define SENCODE_LBA_OUT_OF_RANGE 0x21
621da177e4SLinus Torvalds #define SENCODE_INVALID_CDB_FIELD 0x24
631da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SUPPORTED 0x25
641da177e4SLinus Torvalds #define SENCODE_INVALID_PARAM_FIELD 0x26
651da177e4SLinus Torvalds #define SENCODE_PARAM_NOT_SUPPORTED 0x26
661da177e4SLinus Torvalds #define SENCODE_PARAM_VALUE_INVALID 0x26
671da177e4SLinus Torvalds #define SENCODE_RESET_OCCURRED 0x29
681da177e4SLinus Torvalds #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
691da177e4SLinus Torvalds #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
701da177e4SLinus Torvalds #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
711da177e4SLinus Torvalds #define SENCODE_DIAGNOSTIC_FAILURE 0x40
721da177e4SLinus Torvalds #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
731da177e4SLinus Torvalds #define SENCODE_INVALID_MESSAGE_ERROR 0x49
741da177e4SLinus Torvalds #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
751da177e4SLinus Torvalds #define SENCODE_OVERLAPPED_COMMAND 0x4E
761da177e4SLinus Torvalds
771da177e4SLinus Torvalds /*
781da177e4SLinus Torvalds * Additional sense codes
791da177e4SLinus Torvalds */
801da177e4SLinus Torvalds
811da177e4SLinus Torvalds #define ASENCODE_NO_SENSE 0x00
821da177e4SLinus Torvalds #define ASENCODE_END_OF_DATA 0x05
831da177e4SLinus Torvalds #define ASENCODE_BECOMING_READY 0x01
841da177e4SLinus Torvalds #define ASENCODE_INIT_CMD_REQUIRED 0x02
851da177e4SLinus Torvalds #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
861da177e4SLinus Torvalds #define ASENCODE_INVALID_COMMAND 0x00
871da177e4SLinus Torvalds #define ASENCODE_LBA_OUT_OF_RANGE 0x00
881da177e4SLinus Torvalds #define ASENCODE_INVALID_CDB_FIELD 0x00
891da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SUPPORTED 0x00
901da177e4SLinus Torvalds #define ASENCODE_INVALID_PARAM_FIELD 0x00
911da177e4SLinus Torvalds #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
921da177e4SLinus Torvalds #define ASENCODE_PARAM_VALUE_INVALID 0x02
931da177e4SLinus Torvalds #define ASENCODE_RESET_OCCURRED 0x00
941da177e4SLinus Torvalds #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
951da177e4SLinus Torvalds #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
961da177e4SLinus Torvalds #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
971da177e4SLinus Torvalds #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
981da177e4SLinus Torvalds #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
991da177e4SLinus Torvalds #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
1001da177e4SLinus Torvalds #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
1011da177e4SLinus Torvalds #define ASENCODE_OVERLAPPED_COMMAND 0x00
1021da177e4SLinus Torvalds
1031da177e4SLinus Torvalds #define BYTE0(x) (unsigned char)(x)
1041da177e4SLinus Torvalds #define BYTE1(x) (unsigned char)((x) >> 8)
1051da177e4SLinus Torvalds #define BYTE2(x) (unsigned char)((x) >> 16)
1061da177e4SLinus Torvalds #define BYTE3(x) (unsigned char)((x) >> 24)
1071da177e4SLinus Torvalds
108b836439fSMahesh Rajashekhara /* MODE_SENSE data format */
109b836439fSMahesh Rajashekhara typedef struct {
110b836439fSMahesh Rajashekhara struct {
111b836439fSMahesh Rajashekhara u8 data_length;
112b836439fSMahesh Rajashekhara u8 med_type;
113b836439fSMahesh Rajashekhara u8 dev_par;
114b836439fSMahesh Rajashekhara u8 bd_length;
115b836439fSMahesh Rajashekhara } __attribute__((packed)) hd;
116b836439fSMahesh Rajashekhara struct {
117b836439fSMahesh Rajashekhara u8 dens_code;
118b836439fSMahesh Rajashekhara u8 block_count[3];
119b836439fSMahesh Rajashekhara u8 reserved;
120b836439fSMahesh Rajashekhara u8 block_length[3];
121b836439fSMahesh Rajashekhara } __attribute__((packed)) bd;
122b836439fSMahesh Rajashekhara u8 mpc_buf[3];
123b836439fSMahesh Rajashekhara } __attribute__((packed)) aac_modep_data;
124b836439fSMahesh Rajashekhara
125b836439fSMahesh Rajashekhara /* MODE_SENSE_10 data format */
126b836439fSMahesh Rajashekhara typedef struct {
127b836439fSMahesh Rajashekhara struct {
128b836439fSMahesh Rajashekhara u8 data_length[2];
129b836439fSMahesh Rajashekhara u8 med_type;
130b836439fSMahesh Rajashekhara u8 dev_par;
131b836439fSMahesh Rajashekhara u8 rsrvd[2];
132b836439fSMahesh Rajashekhara u8 bd_length[2];
133b836439fSMahesh Rajashekhara } __attribute__((packed)) hd;
134b836439fSMahesh Rajashekhara struct {
135b836439fSMahesh Rajashekhara u8 dens_code;
136b836439fSMahesh Rajashekhara u8 block_count[3];
137b836439fSMahesh Rajashekhara u8 reserved;
138b836439fSMahesh Rajashekhara u8 block_length[3];
139b836439fSMahesh Rajashekhara } __attribute__((packed)) bd;
140b836439fSMahesh Rajashekhara u8 mpc_buf[3];
141b836439fSMahesh Rajashekhara } __attribute__((packed)) aac_modep10_data;
142b836439fSMahesh Rajashekhara
1431da177e4SLinus Torvalds /*------------------------------------------------------------------------------
1441da177e4SLinus Torvalds * S T R U C T S / T Y P E D E F S
1451da177e4SLinus Torvalds *----------------------------------------------------------------------------*/
1461da177e4SLinus Torvalds /* SCSI inquiry data */
1471da177e4SLinus Torvalds struct inquiry_data {
1481da177e4SLinus Torvalds u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
1491da177e4SLinus Torvalds u8 inqd_dtq; /* RMB | Device Type Qualifier */
1501da177e4SLinus Torvalds u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
1511da177e4SLinus Torvalds u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
1521da177e4SLinus Torvalds u8 inqd_len; /* Additional length (n-4) */
1531da177e4SLinus Torvalds u8 inqd_pad1[2];/* Reserved - must be zero */
1541da177e4SLinus Torvalds u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
1551da177e4SLinus Torvalds u8 inqd_vid[8]; /* Vendor ID */
1561da177e4SLinus Torvalds u8 inqd_pid[16];/* Product ID */
1571da177e4SLinus Torvalds u8 inqd_prl[4]; /* Product Revision Level */
1581da177e4SLinus Torvalds };
1591da177e4SLinus Torvalds
1605d910649SMahesh Rajashekhara /* Added for VPD 0x83 */
161999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_1 {
162999b3ffcSRaghava Aditya Renukunta u8 codeset:4; /* VPD_CODE_SET */
163999b3ffcSRaghava Aditya Renukunta u8 reserved:4;
164999b3ffcSRaghava Aditya Renukunta u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
165999b3ffcSRaghava Aditya Renukunta u8 reserved2:4;
166999b3ffcSRaghava Aditya Renukunta u8 reserved3;
167999b3ffcSRaghava Aditya Renukunta u8 identifierlength;
168999b3ffcSRaghava Aditya Renukunta u8 venid[8];
169999b3ffcSRaghava Aditya Renukunta u8 productid[16];
170999b3ffcSRaghava Aditya Renukunta u8 serialnumber[8]; /* SN in ASCII */
1715d910649SMahesh Rajashekhara
172999b3ffcSRaghava Aditya Renukunta };
1735d910649SMahesh Rajashekhara
174999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_2 {
175999b3ffcSRaghava Aditya Renukunta u8 codeset:4; /* VPD_CODE_SET */
176999b3ffcSRaghava Aditya Renukunta u8 reserved:4;
177999b3ffcSRaghava Aditya Renukunta u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
178999b3ffcSRaghava Aditya Renukunta u8 reserved2:4;
179999b3ffcSRaghava Aditya Renukunta u8 reserved3;
180999b3ffcSRaghava Aditya Renukunta u8 identifierlength;
181999b3ffcSRaghava Aditya Renukunta struct teu64id {
1825d910649SMahesh Rajashekhara u32 Serial;
1835d910649SMahesh Rajashekhara /* The serial number supposed to be 40 bits,
1845d910649SMahesh Rajashekhara * bit we only support 32, so make the last byte zero. */
185999b3ffcSRaghava Aditya Renukunta u8 reserved;
186999b3ffcSRaghava Aditya Renukunta u8 venid[3];
187999b3ffcSRaghava Aditya Renukunta } eu64id;
1885d910649SMahesh Rajashekhara
189999b3ffcSRaghava Aditya Renukunta };
1905d910649SMahesh Rajashekhara
191999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_3 {
192999b3ffcSRaghava Aditya Renukunta u8 codeset : 4; /* VPD_CODE_SET */
193999b3ffcSRaghava Aditya Renukunta u8 reserved : 4;
194999b3ffcSRaghava Aditya Renukunta u8 identifiertype : 4; /* VPD_IDENTIFIER_TYPE */
195999b3ffcSRaghava Aditya Renukunta u8 reserved2 : 4;
196999b3ffcSRaghava Aditya Renukunta u8 reserved3;
197999b3ffcSRaghava Aditya Renukunta u8 identifierlength;
198999b3ffcSRaghava Aditya Renukunta u8 Identifier[16];
199999b3ffcSRaghava Aditya Renukunta };
200999b3ffcSRaghava Aditya Renukunta
201999b3ffcSRaghava Aditya Renukunta struct tvpd_page83 {
2025d910649SMahesh Rajashekhara u8 DeviceType:5;
2035d910649SMahesh Rajashekhara u8 DeviceTypeQualifier:3;
2045d910649SMahesh Rajashekhara u8 PageCode;
205999b3ffcSRaghava Aditya Renukunta u8 reserved;
2065d910649SMahesh Rajashekhara u8 PageLength;
207999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_1 type1;
208999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_2 type2;
209999b3ffcSRaghava Aditya Renukunta struct tvpd_id_descriptor_type_3 type3;
210999b3ffcSRaghava Aditya Renukunta };
2115d910649SMahesh Rajashekhara
2121da177e4SLinus Torvalds /*
2131da177e4SLinus Torvalds * M O D U L E G L O B A L S
2141da177e4SLinus Torvalds */
2151da177e4SLinus Torvalds
2160b433447SMahesh Rajashekhara static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
2170b433447SMahesh Rajashekhara static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
2180b433447SMahesh Rajashekhara static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
2190b433447SMahesh Rajashekhara static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
2200b433447SMahesh Rajashekhara struct aac_raw_io2 *rio2, int sg_max);
221ab5d129fSRaghava Aditya Renukunta static long aac_build_sghba(struct scsi_cmnd *scsicmd,
222ab5d129fSRaghava Aditya Renukunta struct aac_hba_cmd_req *hbacmd,
223ab5d129fSRaghava Aditya Renukunta int sg_max, u64 sg_address);
2240b433447SMahesh Rajashekhara static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
2250b433447SMahesh Rajashekhara int pages, int nseg, int nseg_new);
2267afdb863SBart Van Assche static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd);
2271da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
228ab5d129fSRaghava Aditya Renukunta static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
2291da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO
2301da177e4SLinus Torvalds static char *aac_get_status_string(u32 status);
2311da177e4SLinus Torvalds #endif
2321da177e4SLinus Torvalds
2331da177e4SLinus Torvalds /*
2341da177e4SLinus Torvalds * Non dasd selection is handled entirely in aachba now
2351da177e4SLinus Torvalds */
2361da177e4SLinus Torvalds
2371da177e4SLinus Torvalds static int nondasd = -1;
238d8e96507SLeubner, Achim static int aac_cache = 2; /* WCE=0 to avoid performance problems */
2391da177e4SLinus Torvalds static int dacmode = -1;
2408ef22247SSalyzyn, Mark int aac_msi;
2411208bab5SSalyzyn, Mark int aac_commit = -1;
242404d9a90SMark Haverkamp int startup_timeout = 180;
243404d9a90SMark Haverkamp int aif_timeout = 120;
24411604612SMahesh Rajashekhara int aac_sync_mode; /* Only Sync. transfer - disabled */
245571e1568SJason Yan static int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
2461da177e4SLinus Torvalds
24711604612SMahesh Rajashekhara module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
24811604612SMahesh Rajashekhara MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
24911604612SMahesh Rajashekhara " 0=off, 1=on");
25085d22bbfSMahesh Rajashekhara module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
25185d22bbfSMahesh Rajashekhara MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
25285d22bbfSMahesh Rajashekhara " 0=off, 1=on");
2539a72f976SMark Haverkamp module_param(nondasd, int, S_IRUGO|S_IWUSR);
2548ef22247SSalyzyn, Mark MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
2558ef22247SSalyzyn, Mark " 0=off, 1=on");
25695e852e1SSalyzyn, Mark module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
2578ef22247SSalyzyn, Mark MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
2588ef22247SSalyzyn, Mark "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
2598ef22247SSalyzyn, Mark "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
260d8e96507SLeubner, Achim "\tbit 2 - Disable only if Battery is protecting Cache");
2619a72f976SMark Haverkamp module_param(dacmode, int, S_IRUGO|S_IWUSR);
2628ef22247SSalyzyn, Mark MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
2638ef22247SSalyzyn, Mark " 0=off, 1=on");
2641208bab5SSalyzyn, Mark module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
2658ef22247SSalyzyn, Mark MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
2668ef22247SSalyzyn, Mark " adapter for foreign arrays.\n"
2678ef22247SSalyzyn, Mark "This is typically needed in systems that do not have a BIOS."
2688ef22247SSalyzyn, Mark " 0=off, 1=on");
2698ef22247SSalyzyn, Mark module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
2708ef22247SSalyzyn, Mark MODULE_PARM_DESC(msi, "IRQ handling."
2719022d375SMahesh Rajashekhara " 0=PIC(default), 1=MSI, 2=MSI-X)");
272404d9a90SMark Haverkamp module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
2738ef22247SSalyzyn, Mark MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
2744d516e49SRandy Dunlap " adapter to have its kernel up and\n"
2758ef22247SSalyzyn, Mark "running. This is typically adjusted for large systems that do not"
2768ef22247SSalyzyn, Mark " have a BIOS.");
277404d9a90SMark Haverkamp module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
2788ef22247SSalyzyn, Mark MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
2798ef22247SSalyzyn, Mark " applications to pick up AIFs before\n"
2808ef22247SSalyzyn, Mark "deregistering them. This is typically adjusted for heavily burdened"
2818ef22247SSalyzyn, Mark " systems.");
2821da177e4SLinus Torvalds
28309624645SRaghava Aditya Renukunta int aac_fib_dump;
28409624645SRaghava Aditya Renukunta module_param(aac_fib_dump, int, 0644);
28509624645SRaghava Aditya Renukunta MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");
28609624645SRaghava Aditya Renukunta
2877c00ffa3SMark Haverkamp int numacb = -1;
2887c00ffa3SMark Haverkamp module_param(numacb, int, S_IRUGO|S_IWUSR);
2898ef22247SSalyzyn, Mark MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
2908ef22247SSalyzyn, Mark " blocks (FIB) allocated. Valid values are 512 and down. Default is"
2918ef22247SSalyzyn, Mark " to use suggestion from Firmware.");
2927c00ffa3SMark Haverkamp
293571e1568SJason Yan static int acbsize = -1;
2947c00ffa3SMark Haverkamp module_param(acbsize, int, S_IRUGO|S_IWUSR);
2958ef22247SSalyzyn, Mark MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
2968ef22247SSalyzyn, Mark " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
2978ef22247SSalyzyn, Mark " suggestion from Firmware.");
298653ba58dSMark Haverkamp
29929c97684SSalyzyn, Mark int update_interval = 30 * 60;
30029c97684SSalyzyn, Mark module_param(update_interval, int, S_IRUGO|S_IWUSR);
3018ef22247SSalyzyn, Mark MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
3028ef22247SSalyzyn, Mark " updates issued to adapter.");
30329c97684SSalyzyn, Mark
30411da1b7cSRaghava Aditya Renukunta int check_interval = 60;
30529c97684SSalyzyn, Mark module_param(check_interval, int, S_IRUGO|S_IWUSR);
3068ef22247SSalyzyn, Mark MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
3078ef22247SSalyzyn, Mark " checks.");
30829c97684SSalyzyn, Mark
30987f3bda3SAndrew Morton int aac_check_reset = 1;
31087f3bda3SAndrew Morton module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
31195e7a8efSPaul Bolle MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
3128ef22247SSalyzyn, Mark " adapter. a value of -1 forces the reset to adapters programmed to"
3138ef22247SSalyzyn, Mark " ignore it.");
31429c97684SSalyzyn, Mark
315e37ee4beSMark Haverkamp int expose_physicals = -1;
316653ba58dSMark Haverkamp module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
3178ef22247SSalyzyn, Mark MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
3188ef22247SSalyzyn, Mark " -1=protect 0=off, 1=on");
31903d44337SMark Haverkamp
3208ef22247SSalyzyn, Mark int aac_reset_devices;
3211208bab5SSalyzyn, Mark module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
3221208bab5SSalyzyn, Mark MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
32303d44337SMark Haverkamp
324571e1568SJason Yan static int aac_wwn = 1;
325d8e96507SLeubner, Achim module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
326d8e96507SLeubner, Achim MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
327d8e96507SLeubner, Achim "\t0 - Disable\n"
328d8e96507SLeubner, Achim "\t1 - Array Meta Data Signature (default)\n"
329d8e96507SLeubner, Achim "\t2 - Adapter Serial Number");
330d8e96507SLeubner, Achim
331d8e96507SLeubner, Achim
aac_valid_context(struct scsi_cmnd * scsicmd,struct fib * fibptr)33203d44337SMark Haverkamp static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
33303d44337SMark Haverkamp struct fib *fibptr) {
33403d44337SMark Haverkamp struct scsi_device *device;
33503d44337SMark Haverkamp
3367afdb863SBart Van Assche if (unlikely(!scsicmd)) {
337c835e372SSalyzyn, Mark dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
33803d44337SMark Haverkamp aac_fib_complete(fibptr);
33903d44337SMark Haverkamp return 0;
34003d44337SMark Haverkamp }
34176a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_MIDLEVEL;
34203d44337SMark Haverkamp device = scsicmd->device;
3433ffd6c5aSRaghava Aditya Renukunta if (unlikely(!device)) {
34403d44337SMark Haverkamp dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
34503d44337SMark Haverkamp aac_fib_complete(fibptr);
34603d44337SMark Haverkamp return 0;
34703d44337SMark Haverkamp }
34803d44337SMark Haverkamp return 1;
34903d44337SMark Haverkamp }
35003d44337SMark Haverkamp
3511da177e4SLinus Torvalds /**
3521da177e4SLinus Torvalds * aac_get_config_status - check the adapter configuration
353b115958dSLee Jones * @dev: aac driver data
354b115958dSLee Jones * @commit_flag: force sending CT_COMMIT_CONFIG
3551da177e4SLinus Torvalds *
3561da177e4SLinus Torvalds * Query config status, and commit the configuration if needed.
3571da177e4SLinus Torvalds */
aac_get_config_status(struct aac_dev * dev,int commit_flag)3588c867b25SMark Haverkamp int aac_get_config_status(struct aac_dev *dev, int commit_flag)
3591da177e4SLinus Torvalds {
3601da177e4SLinus Torvalds int status = 0;
3611da177e4SLinus Torvalds struct fib * fibptr;
3621da177e4SLinus Torvalds
363bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev)))
3641da177e4SLinus Torvalds return -ENOMEM;
3651da177e4SLinus Torvalds
366bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
3671da177e4SLinus Torvalds {
3681da177e4SLinus Torvalds struct aac_get_config_status *dinfo;
3691da177e4SLinus Torvalds dinfo = (struct aac_get_config_status *) fib_data(fibptr);
3701da177e4SLinus Torvalds
3711da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig);
3721da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
3731da177e4SLinus Torvalds dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
3741da177e4SLinus Torvalds }
3751da177e4SLinus Torvalds
376bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand,
3771da177e4SLinus Torvalds fibptr,
3781da177e4SLinus Torvalds sizeof (struct aac_get_config_status),
3791da177e4SLinus Torvalds FsaNormal,
3801da177e4SLinus Torvalds 1, 1,
3811da177e4SLinus Torvalds NULL, NULL);
3821da177e4SLinus Torvalds if (status < 0) {
3831da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
3841da177e4SLinus Torvalds } else {
3851da177e4SLinus Torvalds struct aac_get_config_status_resp *reply
3861da177e4SLinus Torvalds = (struct aac_get_config_status_resp *) fib_data(fibptr);
3871da177e4SLinus Torvalds dprintk((KERN_WARNING
3881da177e4SLinus Torvalds "aac_get_config_status: response=%d status=%d action=%d\n",
3891da177e4SLinus Torvalds le32_to_cpu(reply->response),
3901da177e4SLinus Torvalds le32_to_cpu(reply->status),
3911da177e4SLinus Torvalds le32_to_cpu(reply->data.action)));
3921da177e4SLinus Torvalds if ((le32_to_cpu(reply->response) != ST_OK) ||
3931da177e4SLinus Torvalds (le32_to_cpu(reply->status) != CT_OK) ||
3941da177e4SLinus Torvalds (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
3951da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
3961da177e4SLinus Torvalds status = -EINVAL;
3971da177e4SLinus Torvalds }
3981da177e4SLinus Torvalds }
399cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* Do not set XferState to zero unless receives a response from F/W */
400cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status >= 0)
401bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
402cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech
4031da177e4SLinus Torvalds /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
4041da177e4SLinus Torvalds if (status >= 0) {
4051208bab5SSalyzyn, Mark if ((aac_commit == 1) || commit_flag) {
4061da177e4SLinus Torvalds struct aac_commit_config * dinfo;
407bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
4081da177e4SLinus Torvalds dinfo = (struct aac_commit_config *) fib_data(fibptr);
4091da177e4SLinus Torvalds
4101da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig);
4111da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
4121da177e4SLinus Torvalds
413bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand,
4141da177e4SLinus Torvalds fibptr,
4151da177e4SLinus Torvalds sizeof (struct aac_commit_config),
4161da177e4SLinus Torvalds FsaNormal,
4171da177e4SLinus Torvalds 1, 1,
4181da177e4SLinus Torvalds NULL, NULL);
419cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* Do not set XferState to zero unless
420cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * receives a response from F/W */
421cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status >= 0)
422bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
4231208bab5SSalyzyn, Mark } else if (aac_commit == 0) {
4241da177e4SLinus Torvalds printk(KERN_WARNING
4251da177e4SLinus Torvalds "aac_get_config_status: Foreign device configurations are being ignored\n");
4261da177e4SLinus Torvalds }
4271da177e4SLinus Torvalds }
428cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */
429cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status != -ERESTARTSYS)
430bfb35aa8SMark Haverkamp aac_fib_free(fibptr);
4311da177e4SLinus Torvalds return status;
4321da177e4SLinus Torvalds }
4331da177e4SLinus Torvalds
aac_expose_phy_device(struct scsi_cmnd * scsicmd)434e3cc268fSRajashekhara, Mahesh static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
435e3cc268fSRajashekhara, Mahesh {
436e3cc268fSRajashekhara, Mahesh char inq_data;
437e3cc268fSRajashekhara, Mahesh scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
438e3cc268fSRajashekhara, Mahesh if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
439e3cc268fSRajashekhara, Mahesh inq_data &= 0xdf;
440e3cc268fSRajashekhara, Mahesh scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
441e3cc268fSRajashekhara, Mahesh }
442e3cc268fSRajashekhara, Mahesh }
443e3cc268fSRajashekhara, Mahesh
4441da177e4SLinus Torvalds /**
4451da177e4SLinus Torvalds * aac_get_containers - list containers
446b115958dSLee Jones * @dev: aac driver data
4471da177e4SLinus Torvalds *
4481da177e4SLinus Torvalds * Make a list of all containers on this controller
4491da177e4SLinus Torvalds */
aac_get_containers(struct aac_dev * dev)4501da177e4SLinus Torvalds int aac_get_containers(struct aac_dev *dev)
4511da177e4SLinus Torvalds {
4521da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr;
4531da177e4SLinus Torvalds u32 index;
4541da177e4SLinus Torvalds int status = 0;
4551da177e4SLinus Torvalds struct fib * fibptr;
4561da177e4SLinus Torvalds struct aac_get_container_count *dinfo;
4571da177e4SLinus Torvalds struct aac_get_container_count_resp *dresp;
4581da177e4SLinus Torvalds int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
4591da177e4SLinus Torvalds
460bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev)))
4611da177e4SLinus Torvalds return -ENOMEM;
4621da177e4SLinus Torvalds
463bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
4641da177e4SLinus Torvalds dinfo = (struct aac_get_container_count *) fib_data(fibptr);
4651da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig);
4661da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
4671da177e4SLinus Torvalds
468bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand,
4691da177e4SLinus Torvalds fibptr,
4701da177e4SLinus Torvalds sizeof (struct aac_get_container_count),
4711da177e4SLinus Torvalds FsaNormal,
4721da177e4SLinus Torvalds 1, 1,
4731da177e4SLinus Torvalds NULL, NULL);
4741da177e4SLinus Torvalds if (status >= 0) {
4751da177e4SLinus Torvalds dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
4761da177e4SLinus Torvalds maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
4771c68856eSRaghava Aditya Renukunta if (fibptr->dev->supplement_adapter_info.supported_options2 &
478a7129a54SMahesh Rajashekhara AAC_OPTION_SUPPORTED_240_VOLUMES) {
479a7129a54SMahesh Rajashekhara maximum_num_containers =
480a7129a54SMahesh Rajashekhara le32_to_cpu(dresp->MaxSimpleVolumes);
481a7129a54SMahesh Rajashekhara }
482bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
4831da177e4SLinus Torvalds }
484cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */
485cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (status != -ERESTARTSYS)
486fe76df42SMark Haverkamp aac_fib_free(fibptr);
4871da177e4SLinus Torvalds
4881da177e4SLinus Torvalds if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
4891da177e4SLinus Torvalds maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
4903ffd6c5aSRaghava Aditya Renukunta if (dev->fsa_dev == NULL ||
4913ffd6c5aSRaghava Aditya Renukunta dev->maximum_num_containers != maximum_num_containers) {
4923ffd6c5aSRaghava Aditya Renukunta
4933ffd6c5aSRaghava Aditya Renukunta fsa_dev_ptr = dev->fsa_dev;
4943ffd6c5aSRaghava Aditya Renukunta
4953ffd6c5aSRaghava Aditya Renukunta dev->fsa_dev = kcalloc(maximum_num_containers,
4963ffd6c5aSRaghava Aditya Renukunta sizeof(*fsa_dev_ptr), GFP_KERNEL);
4973ffd6c5aSRaghava Aditya Renukunta
4983ffd6c5aSRaghava Aditya Renukunta kfree(fsa_dev_ptr);
4993ffd6c5aSRaghava Aditya Renukunta fsa_dev_ptr = NULL;
5003ffd6c5aSRaghava Aditya Renukunta
5013ffd6c5aSRaghava Aditya Renukunta
5023ffd6c5aSRaghava Aditya Renukunta if (!dev->fsa_dev)
5031da177e4SLinus Torvalds return -ENOMEM;
5041da177e4SLinus Torvalds
5051da177e4SLinus Torvalds dev->maximum_num_containers = maximum_num_containers;
5063ffd6c5aSRaghava Aditya Renukunta }
5073ffd6c5aSRaghava Aditya Renukunta for (index = 0; index < dev->maximum_num_containers; index++) {
5083ffd6c5aSRaghava Aditya Renukunta dev->fsa_dev[index].devname[0] = '\0';
5093ffd6c5aSRaghava Aditya Renukunta dev->fsa_dev[index].valid = 0;
5101da177e4SLinus Torvalds
511fe76df42SMark Haverkamp status = aac_probe_container(dev, index);
5121da177e4SLinus Torvalds
5131da177e4SLinus Torvalds if (status < 0) {
5141da177e4SLinus Torvalds printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
5151da177e4SLinus Torvalds break;
5161da177e4SLinus Torvalds }
5171da177e4SLinus Torvalds }
5181da177e4SLinus Torvalds return status;
5191da177e4SLinus Torvalds }
5201da177e4SLinus Torvalds
aac_scsi_done(struct scsi_cmnd * scmd)5211dec65e3SBart Van Assche static void aac_scsi_done(struct scsi_cmnd *scmd)
5221dec65e3SBart Van Assche {
5237afdb863SBart Van Assche if (scmd->device->request_queue) {
5247afdb863SBart Van Assche /* SCSI command has been submitted by the SCSI mid-layer. */
5257afdb863SBart Van Assche scsi_done(scmd);
5267afdb863SBart Van Assche } else {
5277afdb863SBart Van Assche /* SCSI command has been submitted by aac_probe_container(). */
5287afdb863SBart Van Assche aac_probe_container_scsi_done(scmd);
5297afdb863SBart Van Assche }
5301dec65e3SBart Van Assche }
5311dec65e3SBart Van Assche
get_container_name_callback(void * context,struct fib * fibptr)5321da177e4SLinus Torvalds static void get_container_name_callback(void *context, struct fib * fibptr)
5331da177e4SLinus Torvalds {
5341da177e4SLinus Torvalds struct aac_get_name_resp * get_name_reply;
5351da177e4SLinus Torvalds struct scsi_cmnd * scsicmd;
5361da177e4SLinus Torvalds
5371da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context;
5381da177e4SLinus Torvalds
53903d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr))
54003d44337SMark Haverkamp return;
54103d44337SMark Haverkamp
5421da177e4SLinus Torvalds dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
543125e1874SEric Sesterhenn BUG_ON(fibptr == NULL);
5441da177e4SLinus Torvalds
5451da177e4SLinus Torvalds get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
5461da177e4SLinus Torvalds /* Failure is irrelevant, using default value instead */
5471da177e4SLinus Torvalds if ((le32_to_cpu(get_name_reply->status) == CT_OK)
5481da177e4SLinus Torvalds && (get_name_reply->data[0] != '\0')) {
5491da177e4SLinus Torvalds char *sp = get_name_reply->data;
550c593642cSPankaj Bharadiya int data_size = sizeof_field(struct aac_get_name_resp, data);
551c8026732SRaghava Aditya Renukunta
552c8026732SRaghava Aditya Renukunta sp[data_size - 1] = '\0';
5531da177e4SLinus Torvalds while (*sp == ' ')
5541da177e4SLinus Torvalds ++sp;
5553b2946ccSMark Haverkamp if (*sp) {
556d4345028SFUJITA Tomonori struct inquiry_data inq;
5573b2946ccSMark Haverkamp char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
5583b2946ccSMark Haverkamp int count = sizeof(d);
5593b2946ccSMark Haverkamp char *dp = d;
5603b2946ccSMark Haverkamp do {
5611da177e4SLinus Torvalds *dp++ = (*sp) ? *sp++ : ' ';
5621da177e4SLinus Torvalds } while (--count > 0);
563d4345028SFUJITA Tomonori
564d4345028SFUJITA Tomonori scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
565d4345028SFUJITA Tomonori memcpy(inq.inqd_pid, d, sizeof(d));
566d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
5671da177e4SLinus Torvalds }
5683b2946ccSMark Haverkamp }
5693b2946ccSMark Haverkamp
570cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
5711da177e4SLinus Torvalds
572bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
5731dec65e3SBart Van Assche aac_scsi_done(scsicmd);
5741da177e4SLinus Torvalds }
5751da177e4SLinus Torvalds
576e7eb414cSLee Jones /*
5771da177e4SLinus Torvalds * aac_get_container_name - get container name, none blocking.
5781da177e4SLinus Torvalds */
aac_get_container_name(struct scsi_cmnd * scsicmd)5799e7c349cSMark Haverkamp static int aac_get_container_name(struct scsi_cmnd * scsicmd)
5801da177e4SLinus Torvalds {
5811da177e4SLinus Torvalds int status;
582c8026732SRaghava Aditya Renukunta int data_size;
5831da177e4SLinus Torvalds struct aac_get_name *dinfo;
5841da177e4SLinus Torvalds struct fib * cmd_fibcontext;
5851da177e4SLinus Torvalds struct aac_dev * dev;
5861da177e4SLinus Torvalds
5871da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata;
5881da177e4SLinus Torvalds
589c593642cSPankaj Bharadiya data_size = sizeof_field(struct aac_get_name_resp, data);
590c8026732SRaghava Aditya Renukunta
5916bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
5921da177e4SLinus Torvalds
593bfb35aa8SMark Haverkamp aac_fib_init(cmd_fibcontext);
5941da177e4SLinus Torvalds dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
59576a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
5961da177e4SLinus Torvalds
5971da177e4SLinus Torvalds dinfo->command = cpu_to_le32(VM_ContainerConfig);
5981da177e4SLinus Torvalds dinfo->type = cpu_to_le32(CT_READ_NAME);
5999e7c349cSMark Haverkamp dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
600c8026732SRaghava Aditya Renukunta dinfo->count = cpu_to_le32(data_size - 1);
6011da177e4SLinus Torvalds
602bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand,
6031da177e4SLinus Torvalds cmd_fibcontext,
604fb5d40d4SMahesh Rajashekhara sizeof(struct aac_get_name_resp),
6051da177e4SLinus Torvalds FsaNormal,
6061da177e4SLinus Torvalds 0, 1,
6071da177e4SLinus Torvalds (fib_callback)get_container_name_callback,
6081da177e4SLinus Torvalds (void *) scsicmd);
6091da177e4SLinus Torvalds
6101da177e4SLinus Torvalds /*
6111da177e4SLinus Torvalds * Check that the command queued to the controller
6121da177e4SLinus Torvalds */
6131ae948faSBrian King if (status == -EINPROGRESS)
6141da177e4SLinus Torvalds return 0;
6151da177e4SLinus Torvalds
616bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
617bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext);
6181da177e4SLinus Torvalds return -1;
6191da177e4SLinus Torvalds }
6201da177e4SLinus Torvalds
aac_probe_container_callback2(struct scsi_cmnd * scsicmd)621fe76df42SMark Haverkamp static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
622fe76df42SMark Haverkamp {
623fe76df42SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
624fe76df42SMark Haverkamp
6251a655040SSalyzyn, Mark if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
626fe76df42SMark Haverkamp return aac_scsi_cmd(scsicmd);
627fe76df42SMark Haverkamp
628fe76df42SMark Haverkamp scsicmd->result = DID_NO_CONNECT << 16;
6291dec65e3SBart Van Assche aac_scsi_done(scsicmd);
630fe76df42SMark Haverkamp return 0;
631fe76df42SMark Haverkamp }
632fe76df42SMark Haverkamp
_aac_probe_container2(void * context,struct fib * fibptr)6331a655040SSalyzyn, Mark static void _aac_probe_container2(void * context, struct fib * fibptr)
634fe76df42SMark Haverkamp {
63503d44337SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr;
636fe76df42SMark Haverkamp int (*callback)(struct scsi_cmnd *);
63776a3451bSBart Van Assche struct scsi_cmnd *scsicmd = context;
63876a3451bSBart Van Assche struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
639999b3ffcSRaghava Aditya Renukunta int i;
64003d44337SMark Haverkamp
64103d44337SMark Haverkamp
6421a655040SSalyzyn, Mark if (!aac_valid_context(scsicmd, fibptr))
6431a655040SSalyzyn, Mark return;
644fe76df42SMark Haverkamp
64576a3451bSBart Van Assche cmd_priv->status = 0;
6461a655040SSalyzyn, Mark fsa_dev_ptr = fibptr->dev->fsa_dev;
647fe76df42SMark Haverkamp if (fsa_dev_ptr) {
648fe76df42SMark Haverkamp struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
6491c68856eSRaghava Aditya Renukunta __le32 sup_options2;
6501c68856eSRaghava Aditya Renukunta
651fe76df42SMark Haverkamp fsa_dev_ptr += scmd_id(scsicmd);
6521c68856eSRaghava Aditya Renukunta sup_options2 =
6531c68856eSRaghava Aditya Renukunta fibptr->dev->supplement_adapter_info.supported_options2;
654fe76df42SMark Haverkamp
655fe76df42SMark Haverkamp if ((le32_to_cpu(dresp->status) == ST_OK) &&
656fe76df42SMark Haverkamp (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
657fe76df42SMark Haverkamp (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
6581c68856eSRaghava Aditya Renukunta if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
659b836439fSMahesh Rajashekhara dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
660b836439fSMahesh Rajashekhara fsa_dev_ptr->block_size = 0x200;
661b836439fSMahesh Rajashekhara } else {
662b836439fSMahesh Rajashekhara fsa_dev_ptr->block_size =
663b836439fSMahesh Rajashekhara le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
664b836439fSMahesh Rajashekhara }
665999b3ffcSRaghava Aditya Renukunta for (i = 0; i < 16; i++)
666999b3ffcSRaghava Aditya Renukunta fsa_dev_ptr->identifier[i] =
667999b3ffcSRaghava Aditya Renukunta dresp->mnt[0].fileinfo.bdevinfo
668999b3ffcSRaghava Aditya Renukunta .identifier[i];
669fe76df42SMark Haverkamp fsa_dev_ptr->valid = 1;
670655d722cSMark Salyzyn /* sense_key holds the current state of the spin-up */
671655d722cSMark Salyzyn if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
672655d722cSMark Salyzyn fsa_dev_ptr->sense_data.sense_key = NOT_READY;
673655d722cSMark Salyzyn else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
674655d722cSMark Salyzyn fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
675fe76df42SMark Haverkamp fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
676fe76df42SMark Haverkamp fsa_dev_ptr->size
677fe76df42SMark Haverkamp = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
678fe76df42SMark Haverkamp (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
679fe76df42SMark Haverkamp fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
680fe76df42SMark Haverkamp }
681fe76df42SMark Haverkamp if ((fsa_dev_ptr->valid & 1) == 0)
682fe76df42SMark Haverkamp fsa_dev_ptr->valid = 0;
68376a3451bSBart Van Assche cmd_priv->status = le32_to_cpu(dresp->count);
684fe76df42SMark Haverkamp }
685fe76df42SMark Haverkamp aac_fib_complete(fibptr);
686fe76df42SMark Haverkamp aac_fib_free(fibptr);
68776a3451bSBart Van Assche callback = cmd_priv->callback;
68876a3451bSBart Van Assche cmd_priv->callback = NULL;
6891a655040SSalyzyn, Mark (*callback)(scsicmd);
6901a655040SSalyzyn, Mark return;
691fe76df42SMark Haverkamp }
692fe76df42SMark Haverkamp
_aac_probe_container1(void * context,struct fib * fibptr)6931a655040SSalyzyn, Mark static void _aac_probe_container1(void * context, struct fib * fibptr)
694fe76df42SMark Haverkamp {
695fe76df42SMark Haverkamp struct scsi_cmnd * scsicmd;
696fe76df42SMark Haverkamp struct aac_mount * dresp;
697fe76df42SMark Haverkamp struct aac_query_mount *dinfo;
698fe76df42SMark Haverkamp int status;
699fe76df42SMark Haverkamp
700fe76df42SMark Haverkamp dresp = (struct aac_mount *) fib_data(fibptr);
7016c92f7dbSDave Carroll if (!aac_supports_2T(fibptr->dev)) {
702fe76df42SMark Haverkamp dresp->mnt[0].capacityhigh = 0;
7036c92f7dbSDave Carroll if ((le32_to_cpu(dresp->status) == ST_OK) &&
7041a655040SSalyzyn, Mark (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
7051a655040SSalyzyn, Mark _aac_probe_container2(context, fibptr);
7061a655040SSalyzyn, Mark return;
7071a655040SSalyzyn, Mark }
7086c92f7dbSDave Carroll }
709fe76df42SMark Haverkamp scsicmd = (struct scsi_cmnd *) context;
710fe76df42SMark Haverkamp
71103d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr))
7121a655040SSalyzyn, Mark return;
71303d44337SMark Haverkamp
714fe76df42SMark Haverkamp aac_fib_init(fibptr);
715fe76df42SMark Haverkamp
716fe76df42SMark Haverkamp dinfo = (struct aac_query_mount *)fib_data(fibptr);
717fe76df42SMark Haverkamp
7181c68856eSRaghava Aditya Renukunta if (fibptr->dev->supplement_adapter_info.supported_options2 &
719b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE)
720b836439fSMahesh Rajashekhara dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
721b836439fSMahesh Rajashekhara else
722fe76df42SMark Haverkamp dinfo->command = cpu_to_le32(VM_NameServe64);
723b836439fSMahesh Rajashekhara
724fe76df42SMark Haverkamp dinfo->count = cpu_to_le32(scmd_id(scsicmd));
725fe76df42SMark Haverkamp dinfo->type = cpu_to_le32(FT_FILESYS);
72676a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
727fe76df42SMark Haverkamp
728fe76df42SMark Haverkamp status = aac_fib_send(ContainerCommand,
729fe76df42SMark Haverkamp fibptr,
730fe76df42SMark Haverkamp sizeof(struct aac_query_mount),
731fe76df42SMark Haverkamp FsaNormal,
732fe76df42SMark Haverkamp 0, 1,
7331a655040SSalyzyn, Mark _aac_probe_container2,
734fe76df42SMark Haverkamp (void *) scsicmd);
735fe76df42SMark Haverkamp /*
736fe76df42SMark Haverkamp * Check that the command queued to the controller
737fe76df42SMark Haverkamp */
7381ae948faSBrian King if (status < 0 && status != -EINPROGRESS) {
739fe76df42SMark Haverkamp /* Inherit results from VM_NameServe, if any */
740fe76df42SMark Haverkamp dresp->status = cpu_to_le32(ST_OK);
7411a655040SSalyzyn, Mark _aac_probe_container2(context, fibptr);
742fe76df42SMark Haverkamp }
743fe76df42SMark Haverkamp }
744fe76df42SMark Haverkamp
_aac_probe_container(struct scsi_cmnd * scsicmd,int (* callback)(struct scsi_cmnd *))745fe76df42SMark Haverkamp static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
746fe76df42SMark Haverkamp {
74776a3451bSBart Van Assche struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
748fe76df42SMark Haverkamp struct fib * fibptr;
749fe76df42SMark Haverkamp int status = -ENOMEM;
750fe76df42SMark Haverkamp
751fe76df42SMark Haverkamp if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
752fe76df42SMark Haverkamp struct aac_query_mount *dinfo;
753fe76df42SMark Haverkamp
754fe76df42SMark Haverkamp aac_fib_init(fibptr);
755fe76df42SMark Haverkamp
756fe76df42SMark Haverkamp dinfo = (struct aac_query_mount *)fib_data(fibptr);
757fe76df42SMark Haverkamp
7581c68856eSRaghava Aditya Renukunta if (fibptr->dev->supplement_adapter_info.supported_options2 &
759b836439fSMahesh Rajashekhara AAC_OPTION_VARIABLE_BLOCK_SIZE)
760b836439fSMahesh Rajashekhara dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
761b836439fSMahesh Rajashekhara else
762fe76df42SMark Haverkamp dinfo->command = cpu_to_le32(VM_NameServe);
763b836439fSMahesh Rajashekhara
764fe76df42SMark Haverkamp dinfo->count = cpu_to_le32(scmd_id(scsicmd));
765fe76df42SMark Haverkamp dinfo->type = cpu_to_le32(FT_FILESYS);
76676a3451bSBart Van Assche cmd_priv->callback = callback;
76776a3451bSBart Van Assche cmd_priv->owner = AAC_OWNER_FIRMWARE;
768fe76df42SMark Haverkamp
769fe76df42SMark Haverkamp status = aac_fib_send(ContainerCommand,
770fe76df42SMark Haverkamp fibptr,
771fe76df42SMark Haverkamp sizeof(struct aac_query_mount),
772fe76df42SMark Haverkamp FsaNormal,
773fe76df42SMark Haverkamp 0, 1,
7741a655040SSalyzyn, Mark _aac_probe_container1,
775fe76df42SMark Haverkamp (void *) scsicmd);
776fe76df42SMark Haverkamp /*
777fe76df42SMark Haverkamp * Check that the command queued to the controller
778fe76df42SMark Haverkamp */
7791ae948faSBrian King if (status == -EINPROGRESS)
780fe76df42SMark Haverkamp return 0;
7811ae948faSBrian King
782fe76df42SMark Haverkamp if (status < 0) {
78376a3451bSBart Van Assche cmd_priv->callback = NULL;
784fe76df42SMark Haverkamp aac_fib_complete(fibptr);
785fe76df42SMark Haverkamp aac_fib_free(fibptr);
786fe76df42SMark Haverkamp }
787fe76df42SMark Haverkamp }
788fe76df42SMark Haverkamp if (status < 0) {
789fe76df42SMark Haverkamp struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
790fe76df42SMark Haverkamp if (fsa_dev_ptr) {
791fe76df42SMark Haverkamp fsa_dev_ptr += scmd_id(scsicmd);
792fe76df42SMark Haverkamp if ((fsa_dev_ptr->valid & 1) == 0) {
793fe76df42SMark Haverkamp fsa_dev_ptr->valid = 0;
794fe76df42SMark Haverkamp return (*callback)(scsicmd);
795fe76df42SMark Haverkamp }
796fe76df42SMark Haverkamp }
797fe76df42SMark Haverkamp }
798fe76df42SMark Haverkamp return status;
799fe76df42SMark Haverkamp }
800fe76df42SMark Haverkamp
8011da177e4SLinus Torvalds /**
802a80218c7SLee Jones * aac_probe_container_callback1 - query a logical volume
803e7eb414cSLee Jones * @scsicmd: the scsi command block
8041da177e4SLinus Torvalds *
8051da177e4SLinus Torvalds * Queries the controller about the given volume. The volume information
8061da177e4SLinus Torvalds * is updated in the struct fsa_dev_info structure rather than returned.
8071da177e4SLinus Torvalds */
aac_probe_container_callback1(struct scsi_cmnd * scsicmd)808fe76df42SMark Haverkamp static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
809fe76df42SMark Haverkamp {
810fe76df42SMark Haverkamp scsicmd->device = NULL;
811fe76df42SMark Haverkamp return 0;
812fe76df42SMark Haverkamp }
8131da177e4SLinus Torvalds
aac_probe_container_scsi_done(struct scsi_cmnd * scsi_cmnd)814779dfcf6SPhong Tran static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd)
815779dfcf6SPhong Tran {
816779dfcf6SPhong Tran aac_probe_container_callback1(scsi_cmnd);
817779dfcf6SPhong Tran }
818779dfcf6SPhong Tran
aac_probe_container(struct aac_dev * dev,int cid)819bfb35aa8SMark Haverkamp int aac_probe_container(struct aac_dev *dev, int cid)
8201da177e4SLinus Torvalds {
8217ab734fcSKees Cook struct aac_cmd_priv *cmd_priv;
8227ab734fcSKees Cook struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd) + sizeof(*cmd_priv), GFP_KERNEL);
8237afdb863SBart Van Assche struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL);
8241da177e4SLinus Torvalds int status;
8251da177e4SLinus Torvalds
826fe76df42SMark Haverkamp if (!scsicmd || !scsidev) {
827fe76df42SMark Haverkamp kfree(scsicmd);
828fe76df42SMark Haverkamp kfree(scsidev);
82990ee3466SMark Haverkamp return -ENOMEM;
8301da177e4SLinus Torvalds }
8311da177e4SLinus Torvalds
832fe76df42SMark Haverkamp scsicmd->device = scsidev;
833fe76df42SMark Haverkamp scsidev->sdev_state = 0;
834fe76df42SMark Haverkamp scsidev->id = cid;
835fe76df42SMark Haverkamp scsidev->host = dev->scsi_host_ptr;
8361da177e4SLinus Torvalds
837fe76df42SMark Haverkamp if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
838fe76df42SMark Haverkamp while (scsicmd->device == scsidev)
839fe76df42SMark Haverkamp schedule();
840802ae2f0SSalyzyn, Mark kfree(scsidev);
8417ab734fcSKees Cook cmd_priv = aac_priv(scsicmd);
84276a3451bSBart Van Assche status = cmd_priv->status;
843fe76df42SMark Haverkamp kfree(scsicmd);
8441da177e4SLinus Torvalds return status;
8451da177e4SLinus Torvalds }
8461da177e4SLinus Torvalds
8471da177e4SLinus Torvalds /* Local Structure to set SCSI inquiry data strings */
8481da177e4SLinus Torvalds struct scsi_inq {
8491da177e4SLinus Torvalds char vid[8]; /* Vendor ID */
8501da177e4SLinus Torvalds char pid[16]; /* Product ID */
8511da177e4SLinus Torvalds char prl[4]; /* Product Revision Level */
8521da177e4SLinus Torvalds };
8531da177e4SLinus Torvalds
8541da177e4SLinus Torvalds /**
855a80218c7SLee Jones * inqstrcpy - string merge
8561da177e4SLinus Torvalds * @a: string to copy from
8571da177e4SLinus Torvalds * @b: string to copy to
8581da177e4SLinus Torvalds *
8591da177e4SLinus Torvalds * Copy a String from one location to another
8601da177e4SLinus Torvalds * without copying \0
8611da177e4SLinus Torvalds */
8621da177e4SLinus Torvalds
inqstrcpy(char * a,char * b)8631da177e4SLinus Torvalds static void inqstrcpy(char *a, char *b)
8641da177e4SLinus Torvalds {
8651da177e4SLinus Torvalds
8661da177e4SLinus Torvalds while (*a != (char)0)
8671da177e4SLinus Torvalds *b++ = *a++;
8681da177e4SLinus Torvalds }
8691da177e4SLinus Torvalds
8701da177e4SLinus Torvalds static char *container_types[] = {
8711da177e4SLinus Torvalds "None",
8721da177e4SLinus Torvalds "Volume",
8731da177e4SLinus Torvalds "Mirror",
8741da177e4SLinus Torvalds "Stripe",
8751da177e4SLinus Torvalds "RAID5",
8761da177e4SLinus Torvalds "SSRW",
8771da177e4SLinus Torvalds "SSRO",
8781da177e4SLinus Torvalds "Morph",
8791da177e4SLinus Torvalds "Legacy",
8801da177e4SLinus Torvalds "RAID4",
8811da177e4SLinus Torvalds "RAID10",
8821da177e4SLinus Torvalds "RAID00",
8831da177e4SLinus Torvalds "V-MIRRORS",
8841da177e4SLinus Torvalds "PSEUDO R4",
8851da177e4SLinus Torvalds "RAID50",
88684971738SMark Haverkamp "RAID5D",
88784971738SMark Haverkamp "RAID5D0",
88884971738SMark Haverkamp "RAID1E",
88984971738SMark Haverkamp "RAID6",
89084971738SMark Haverkamp "RAID60",
8911da177e4SLinus Torvalds "Unknown"
8921da177e4SLinus Torvalds };
8931da177e4SLinus Torvalds
get_container_type(unsigned tindex)89417eaaceeSSalyzyn, Mark char * get_container_type(unsigned tindex)
89517eaaceeSSalyzyn, Mark {
89617eaaceeSSalyzyn, Mark if (tindex >= ARRAY_SIZE(container_types))
89717eaaceeSSalyzyn, Mark tindex = ARRAY_SIZE(container_types) - 1;
89817eaaceeSSalyzyn, Mark return container_types[tindex];
89917eaaceeSSalyzyn, Mark }
9001da177e4SLinus Torvalds
9011da177e4SLinus Torvalds /* Function: setinqstr
9021da177e4SLinus Torvalds *
9031da177e4SLinus Torvalds * Arguments: [1] pointer to void [1] int
9041da177e4SLinus Torvalds *
9051da177e4SLinus Torvalds * Purpose: Sets SCSI inquiry data strings for vendor, product
90625985edcSLucas De Marchi * and revision level. Allows strings to be set in platform dependent
90725985edcSLucas De Marchi * files instead of in OS dependent driver source.
9081da177e4SLinus Torvalds */
9091da177e4SLinus Torvalds
setinqstr(struct aac_dev * dev,void * data,int tindex)910794d0601SMark Haverkamp static void setinqstr(struct aac_dev *dev, void *data, int tindex)
9111da177e4SLinus Torvalds {
9121da177e4SLinus Torvalds struct scsi_inq *str;
9131c68856eSRaghava Aditya Renukunta struct aac_supplement_adapter_info *sup_adap_info;
9141da177e4SLinus Torvalds
9151c68856eSRaghava Aditya Renukunta sup_adap_info = &dev->supplement_adapter_info;
9161da177e4SLinus Torvalds str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
917794d0601SMark Haverkamp memset(str, ' ', sizeof(*str));
918794d0601SMark Haverkamp
9191c68856eSRaghava Aditya Renukunta if (sup_adap_info->adapter_type_text[0]) {
9203bc8070fSSalyzyn, Mark int c;
921f4e8708dSRaghava Aditya Renukunta char *cp;
922f4e8708dSRaghava Aditya Renukunta char *cname = kmemdup(sup_adap_info->adapter_type_text,
923f4e8708dSRaghava Aditya Renukunta sizeof(sup_adap_info->adapter_type_text),
924f4e8708dSRaghava Aditya Renukunta GFP_ATOMIC);
925f4e8708dSRaghava Aditya Renukunta if (!cname)
926f4e8708dSRaghava Aditya Renukunta return;
927f4e8708dSRaghava Aditya Renukunta
928f4e8708dSRaghava Aditya Renukunta cp = cname;
9293bc8070fSSalyzyn, Mark if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
9303bc8070fSSalyzyn, Mark inqstrcpy("SMC", str->vid);
9313bc8070fSSalyzyn, Mark else {
9323bc8070fSSalyzyn, Mark c = sizeof(str->vid);
933794d0601SMark Haverkamp while (*cp && *cp != ' ' && --c)
934794d0601SMark Haverkamp ++cp;
935794d0601SMark Haverkamp c = *cp;
936794d0601SMark Haverkamp *cp = '\0';
937f4e8708dSRaghava Aditya Renukunta inqstrcpy(cname, str->vid);
938794d0601SMark Haverkamp *cp = c;
939794d0601SMark Haverkamp while (*cp && *cp != ' ')
940794d0601SMark Haverkamp ++cp;
9413bc8070fSSalyzyn, Mark }
942794d0601SMark Haverkamp while (*cp == ' ')
943794d0601SMark Haverkamp ++cp;
944794d0601SMark Haverkamp /* last six chars reserved for vol type */
94591814744SColin Ian King if (strlen(cp) > sizeof(str->pid))
946794d0601SMark Haverkamp cp[sizeof(str->pid)] = '\0';
947794d0601SMark Haverkamp inqstrcpy (cp, str->pid);
948f4e8708dSRaghava Aditya Renukunta
949f4e8708dSRaghava Aditya Renukunta kfree(cname);
950794d0601SMark Haverkamp } else {
951794d0601SMark Haverkamp struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
9521da177e4SLinus Torvalds
9531da177e4SLinus Torvalds inqstrcpy (mp->vname, str->vid);
954794d0601SMark Haverkamp /* last six chars reserved for vol type */
955794d0601SMark Haverkamp inqstrcpy (mp->model, str->pid);
956794d0601SMark Haverkamp }
9571da177e4SLinus Torvalds
9586391a113STobias Klauser if (tindex < ARRAY_SIZE(container_types)){
9591da177e4SLinus Torvalds char *findit = str->pid;
9601da177e4SLinus Torvalds
9611da177e4SLinus Torvalds for ( ; *findit != ' '; findit++); /* walk till we find a space */
9621da177e4SLinus Torvalds /* RAID is superfluous in the context of a RAID device */
9631da177e4SLinus Torvalds if (memcmp(findit-4, "RAID", 4) == 0)
9641da177e4SLinus Torvalds *(findit -= 4) = ' ';
965794d0601SMark Haverkamp if (((findit - str->pid) + strlen(container_types[tindex]))
966794d0601SMark Haverkamp < (sizeof(str->pid) + sizeof(str->prl)))
9671da177e4SLinus Torvalds inqstrcpy (container_types[tindex], findit + 1);
9681da177e4SLinus Torvalds }
9691da177e4SLinus Torvalds inqstrcpy ("V1.0", str->prl);
9701da177e4SLinus Torvalds }
9711da177e4SLinus Torvalds
build_vpd83_type3(struct tvpd_page83 * vpdpage83data,struct aac_dev * dev,struct scsi_cmnd * scsicmd)972999b3ffcSRaghava Aditya Renukunta static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
973999b3ffcSRaghava Aditya Renukunta struct aac_dev *dev, struct scsi_cmnd *scsicmd)
974999b3ffcSRaghava Aditya Renukunta {
975999b3ffcSRaghava Aditya Renukunta int container;
976999b3ffcSRaghava Aditya Renukunta
977999b3ffcSRaghava Aditya Renukunta vpdpage83data->type3.codeset = 1;
978999b3ffcSRaghava Aditya Renukunta vpdpage83data->type3.identifiertype = 3;
979999b3ffcSRaghava Aditya Renukunta vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
980999b3ffcSRaghava Aditya Renukunta - 4;
981999b3ffcSRaghava Aditya Renukunta
982999b3ffcSRaghava Aditya Renukunta for (container = 0; container < dev->maximum_num_containers;
983999b3ffcSRaghava Aditya Renukunta container++) {
984999b3ffcSRaghava Aditya Renukunta
985999b3ffcSRaghava Aditya Renukunta if (scmd_id(scsicmd) == container) {
986999b3ffcSRaghava Aditya Renukunta memcpy(vpdpage83data->type3.Identifier,
987999b3ffcSRaghava Aditya Renukunta dev->fsa_dev[container].identifier,
988999b3ffcSRaghava Aditya Renukunta 16);
989999b3ffcSRaghava Aditya Renukunta break;
990999b3ffcSRaghava Aditya Renukunta }
991999b3ffcSRaghava Aditya Renukunta }
992999b3ffcSRaghava Aditya Renukunta }
993999b3ffcSRaghava Aditya Renukunta
get_container_serial_callback(void * context,struct fib * fibptr)99488e2f98eSSalyzyn, Mark static void get_container_serial_callback(void *context, struct fib * fibptr)
99588e2f98eSSalyzyn, Mark {
99688e2f98eSSalyzyn, Mark struct aac_get_serial_resp * get_serial_reply;
99788e2f98eSSalyzyn, Mark struct scsi_cmnd * scsicmd;
99888e2f98eSSalyzyn, Mark
99988e2f98eSSalyzyn, Mark BUG_ON(fibptr == NULL);
100088e2f98eSSalyzyn, Mark
100188e2f98eSSalyzyn, Mark scsicmd = (struct scsi_cmnd *) context;
100288e2f98eSSalyzyn, Mark if (!aac_valid_context(scsicmd, fibptr))
100388e2f98eSSalyzyn, Mark return;
100488e2f98eSSalyzyn, Mark
100588e2f98eSSalyzyn, Mark get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
100688e2f98eSSalyzyn, Mark /* Failure is irrelevant, using default value instead */
100788e2f98eSSalyzyn, Mark if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
10085d910649SMahesh Rajashekhara /*Check to see if it's for VPD 0x83 or 0x80 */
10095d910649SMahesh Rajashekhara if (scsicmd->cmnd[2] == 0x83) {
10105d910649SMahesh Rajashekhara /* vpd page 0x83 - Device Identification Page */
1011999b3ffcSRaghava Aditya Renukunta struct aac_dev *dev;
10125d910649SMahesh Rajashekhara int i;
1013999b3ffcSRaghava Aditya Renukunta struct tvpd_page83 vpdpage83data;
10145d910649SMahesh Rajashekhara
1015999b3ffcSRaghava Aditya Renukunta dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1016999b3ffcSRaghava Aditya Renukunta
1017999b3ffcSRaghava Aditya Renukunta memset(((u8 *)&vpdpage83data), 0,
1018999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data));
10195d910649SMahesh Rajashekhara
10205d910649SMahesh Rajashekhara /* DIRECT_ACCESS_DEVIC */
1021999b3ffcSRaghava Aditya Renukunta vpdpage83data.DeviceType = 0;
10225d910649SMahesh Rajashekhara /* DEVICE_CONNECTED */
1023999b3ffcSRaghava Aditya Renukunta vpdpage83data.DeviceTypeQualifier = 0;
10245d910649SMahesh Rajashekhara /* VPD_DEVICE_IDENTIFIERS */
1025999b3ffcSRaghava Aditya Renukunta vpdpage83data.PageCode = 0x83;
1026999b3ffcSRaghava Aditya Renukunta vpdpage83data.reserved = 0;
1027999b3ffcSRaghava Aditya Renukunta vpdpage83data.PageLength =
1028999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type1) +
1029999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type2);
1030999b3ffcSRaghava Aditya Renukunta
1031999b3ffcSRaghava Aditya Renukunta /* VPD 83 Type 3 is not supported for ARC */
1032999b3ffcSRaghava Aditya Renukunta if (dev->sa_firmware)
1033999b3ffcSRaghava Aditya Renukunta vpdpage83data.PageLength +=
1034999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type3);
10355d910649SMahesh Rajashekhara
10365d910649SMahesh Rajashekhara /* T10 Vendor Identifier Field Format */
1037999b3ffcSRaghava Aditya Renukunta /* VpdcodesetAscii */
1038999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.codeset = 2;
10395d910649SMahesh Rajashekhara /* VpdIdentifierTypeVendorId */
1040999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.identifiertype = 1;
1041999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.identifierlength =
1042999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type1) - 4;
10435d910649SMahesh Rajashekhara
10445d910649SMahesh Rajashekhara /* "ADAPTEC " for adaptec */
1045999b3ffcSRaghava Aditya Renukunta memcpy(vpdpage83data.type1.venid,
10465d910649SMahesh Rajashekhara "ADAPTEC ",
1047999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type1.venid));
1048999b3ffcSRaghava Aditya Renukunta memcpy(vpdpage83data.type1.productid,
10495d910649SMahesh Rajashekhara "ARRAY ",
10505d910649SMahesh Rajashekhara sizeof(
1051999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.productid));
10525d910649SMahesh Rajashekhara
10535d910649SMahesh Rajashekhara /* Convert to ascii based serial number.
1054ebd676ffSJiang Jian * The LSB is the end.
10555d910649SMahesh Rajashekhara */
10565d910649SMahesh Rajashekhara for (i = 0; i < 8; i++) {
10575d910649SMahesh Rajashekhara u8 temp =
10585d910649SMahesh Rajashekhara (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
10595d910649SMahesh Rajashekhara if (temp > 0x9) {
1060999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.serialnumber[i] =
10615d910649SMahesh Rajashekhara 'A' + (temp - 0xA);
10625d910649SMahesh Rajashekhara } else {
1063999b3ffcSRaghava Aditya Renukunta vpdpage83data.type1.serialnumber[i] =
10645d910649SMahesh Rajashekhara '0' + temp;
10655d910649SMahesh Rajashekhara }
10665d910649SMahesh Rajashekhara }
10675d910649SMahesh Rajashekhara
10685d910649SMahesh Rajashekhara /* VpdCodeSetBinary */
1069999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.codeset = 1;
1070999b3ffcSRaghava Aditya Renukunta /* VpdidentifiertypeEUI64 */
1071999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.identifiertype = 2;
1072999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.identifierlength =
1073999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data.type2) - 4;
10745d910649SMahesh Rajashekhara
1075999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1076999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.eu64id.venid[1] = 0;
1077999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.eu64id.venid[2] = 0;
10785d910649SMahesh Rajashekhara
1079999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.eu64id.Serial =
10805d910649SMahesh Rajashekhara get_serial_reply->uid;
1081999b3ffcSRaghava Aditya Renukunta vpdpage83data.type2.eu64id.reserved = 0;
1082999b3ffcSRaghava Aditya Renukunta
1083999b3ffcSRaghava Aditya Renukunta /*
1084999b3ffcSRaghava Aditya Renukunta * VpdIdentifierTypeFCPHName
1085999b3ffcSRaghava Aditya Renukunta * VPD 0x83 Type 3 not supported for ARC
1086999b3ffcSRaghava Aditya Renukunta */
1087999b3ffcSRaghava Aditya Renukunta if (dev->sa_firmware) {
1088999b3ffcSRaghava Aditya Renukunta build_vpd83_type3(&vpdpage83data,
1089999b3ffcSRaghava Aditya Renukunta dev, scsicmd);
1090999b3ffcSRaghava Aditya Renukunta }
10915d910649SMahesh Rajashekhara
10925d910649SMahesh Rajashekhara /* Move the inquiry data to the response buffer. */
1093999b3ffcSRaghava Aditya Renukunta scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1094999b3ffcSRaghava Aditya Renukunta sizeof(vpdpage83data));
10955d910649SMahesh Rajashekhara } else {
10965d910649SMahesh Rajashekhara /* It must be for VPD 0x80 */
109788e2f98eSSalyzyn, Mark char sp[13];
109888e2f98eSSalyzyn, Mark /* EVPD bit set */
109988e2f98eSSalyzyn, Mark sp[0] = INQD_PDT_DA;
110088e2f98eSSalyzyn, Mark sp[1] = scsicmd->cmnd[2];
110188e2f98eSSalyzyn, Mark sp[2] = 0;
110288e2f98eSSalyzyn, Mark sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
110388e2f98eSSalyzyn, Mark le32_to_cpu(get_serial_reply->uid));
11045d910649SMahesh Rajashekhara scsi_sg_copy_from_buffer(scsicmd, sp,
11055d910649SMahesh Rajashekhara sizeof(sp));
11065d910649SMahesh Rajashekhara }
110788e2f98eSSalyzyn, Mark }
110888e2f98eSSalyzyn, Mark
1109cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
111088e2f98eSSalyzyn, Mark
111188e2f98eSSalyzyn, Mark aac_fib_complete(fibptr);
11121dec65e3SBart Van Assche aac_scsi_done(scsicmd);
111388e2f98eSSalyzyn, Mark }
111488e2f98eSSalyzyn, Mark
1115e7eb414cSLee Jones /*
111688e2f98eSSalyzyn, Mark * aac_get_container_serial - get container serial, none blocking.
111788e2f98eSSalyzyn, Mark */
aac_get_container_serial(struct scsi_cmnd * scsicmd)111888e2f98eSSalyzyn, Mark static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
111988e2f98eSSalyzyn, Mark {
112088e2f98eSSalyzyn, Mark int status;
112188e2f98eSSalyzyn, Mark struct aac_get_serial *dinfo;
112288e2f98eSSalyzyn, Mark struct fib * cmd_fibcontext;
112388e2f98eSSalyzyn, Mark struct aac_dev * dev;
112488e2f98eSSalyzyn, Mark
112588e2f98eSSalyzyn, Mark dev = (struct aac_dev *)scsicmd->device->host->hostdata;
112688e2f98eSSalyzyn, Mark
11276bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
112888e2f98eSSalyzyn, Mark
112988e2f98eSSalyzyn, Mark aac_fib_init(cmd_fibcontext);
113088e2f98eSSalyzyn, Mark dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
113188e2f98eSSalyzyn, Mark
113288e2f98eSSalyzyn, Mark dinfo->command = cpu_to_le32(VM_ContainerConfig);
113388e2f98eSSalyzyn, Mark dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
113488e2f98eSSalyzyn, Mark dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
113576a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
113688e2f98eSSalyzyn, Mark
113788e2f98eSSalyzyn, Mark status = aac_fib_send(ContainerCommand,
113888e2f98eSSalyzyn, Mark cmd_fibcontext,
1139fb5d40d4SMahesh Rajashekhara sizeof(struct aac_get_serial_resp),
114088e2f98eSSalyzyn, Mark FsaNormal,
114188e2f98eSSalyzyn, Mark 0, 1,
114288e2f98eSSalyzyn, Mark (fib_callback) get_container_serial_callback,
114388e2f98eSSalyzyn, Mark (void *) scsicmd);
114488e2f98eSSalyzyn, Mark
114588e2f98eSSalyzyn, Mark /*
114688e2f98eSSalyzyn, Mark * Check that the command queued to the controller
114788e2f98eSSalyzyn, Mark */
11481ae948faSBrian King if (status == -EINPROGRESS)
114988e2f98eSSalyzyn, Mark return 0;
115088e2f98eSSalyzyn, Mark
115188e2f98eSSalyzyn, Mark printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
115288e2f98eSSalyzyn, Mark aac_fib_complete(cmd_fibcontext);
115388e2f98eSSalyzyn, Mark return -1;
115488e2f98eSSalyzyn, Mark }
115588e2f98eSSalyzyn, Mark
115688e2f98eSSalyzyn, Mark /* Function: setinqserial
115788e2f98eSSalyzyn, Mark *
115888e2f98eSSalyzyn, Mark * Arguments: [1] pointer to void [1] int
115988e2f98eSSalyzyn, Mark *
116088e2f98eSSalyzyn, Mark * Purpose: Sets SCSI Unit Serial number.
116188e2f98eSSalyzyn, Mark * This is a fake. We should read a proper
116288e2f98eSSalyzyn, Mark * serial number from the container. <SuSE>But
116388e2f98eSSalyzyn, Mark * without docs it's quite hard to do it :-)
116488e2f98eSSalyzyn, Mark * So this will have to do in the meantime.</SuSE>
116588e2f98eSSalyzyn, Mark */
116688e2f98eSSalyzyn, Mark
setinqserial(struct aac_dev * dev,void * data,int cid)116788e2f98eSSalyzyn, Mark static int setinqserial(struct aac_dev *dev, void *data, int cid)
116888e2f98eSSalyzyn, Mark {
116988e2f98eSSalyzyn, Mark /*
117088e2f98eSSalyzyn, Mark * This breaks array migration.
117188e2f98eSSalyzyn, Mark */
117288e2f98eSSalyzyn, Mark return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
117388e2f98eSSalyzyn, Mark le32_to_cpu(dev->adapter_info.serial[0]), cid);
117488e2f98eSSalyzyn, Mark }
117588e2f98eSSalyzyn, Mark
set_sense(struct sense_data * sense_data,u8 sense_key,u8 sense_code,u8 a_sense_code,u8 bit_pointer,u16 field_pointer)11768e31e607SSalyzyn, Mark static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
11778e31e607SSalyzyn, Mark u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
11781da177e4SLinus Torvalds {
11798e31e607SSalyzyn, Mark u8 *sense_buf = (u8 *)sense_data;
11808e31e607SSalyzyn, Mark /* Sense data valid, err code 70h */
11818e31e607SSalyzyn, Mark sense_buf[0] = 0x70; /* No info field */
11821da177e4SLinus Torvalds sense_buf[1] = 0; /* Segment number, always zero */
11831da177e4SLinus Torvalds
11841da177e4SLinus Torvalds sense_buf[2] = sense_key; /* Sense key */
11851da177e4SLinus Torvalds
11861da177e4SLinus Torvalds sense_buf[12] = sense_code; /* Additional sense code */
11871da177e4SLinus Torvalds sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
11888e31e607SSalyzyn, Mark
11891da177e4SLinus Torvalds if (sense_key == ILLEGAL_REQUEST) {
11908e31e607SSalyzyn, Mark sense_buf[7] = 10; /* Additional sense length */
11911da177e4SLinus Torvalds
11928e31e607SSalyzyn, Mark sense_buf[15] = bit_pointer;
11931da177e4SLinus Torvalds /* Illegal parameter is in the parameter block */
11941da177e4SLinus Torvalds if (sense_code == SENCODE_INVALID_CDB_FIELD)
11958e31e607SSalyzyn, Mark sense_buf[15] |= 0xc0;/* Std sense key specific field */
11961da177e4SLinus Torvalds /* Illegal parameter is in the CDB block */
11971da177e4SLinus Torvalds sense_buf[16] = field_pointer >> 8; /* MSB */
11981da177e4SLinus Torvalds sense_buf[17] = field_pointer; /* LSB */
11998e31e607SSalyzyn, Mark } else
12008e31e607SSalyzyn, Mark sense_buf[7] = 6; /* Additional sense length */
12011da177e4SLinus Torvalds }
12021da177e4SLinus Torvalds
aac_bounds_32(struct aac_dev * dev,struct scsi_cmnd * cmd,u64 lba)1203e8f32de5SMark Haverkamp static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1204e8f32de5SMark Haverkamp {
1205e8f32de5SMark Haverkamp if (lba & 0xffffffff00000000LL) {
1206e8f32de5SMark Haverkamp int cid = scmd_id(cmd);
1207e8f32de5SMark Haverkamp dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1208cdec16c1SHannes Reinecke cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
12098e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
12108e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
12118e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1212e8f32de5SMark Haverkamp memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
12133ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
12143ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE));
12151dec65e3SBart Van Assche aac_scsi_done(cmd);
1216e8f32de5SMark Haverkamp return 1;
1217e8f32de5SMark Haverkamp }
1218e8f32de5SMark Haverkamp return 0;
1219e8f32de5SMark Haverkamp }
1220e8f32de5SMark Haverkamp
aac_bounds_64(struct aac_dev * dev,struct scsi_cmnd * cmd,u64 lba)1221e8f32de5SMark Haverkamp static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1222e8f32de5SMark Haverkamp {
1223e8f32de5SMark Haverkamp return 0;
1224e8f32de5SMark Haverkamp }
1225e8f32de5SMark Haverkamp
1226e8f32de5SMark Haverkamp static void io_callback(void *context, struct fib * fibptr);
1227e8f32de5SMark Haverkamp
aac_read_raw_io(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count)1228e8f32de5SMark Haverkamp static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1229e8f32de5SMark Haverkamp {
123085d22bbfSMahesh Rajashekhara struct aac_dev *dev = fib->dev;
123185d22bbfSMahesh Rajashekhara u16 fibsize, command;
12320b433447SMahesh Rajashekhara long ret;
123385d22bbfSMahesh Rajashekhara
1234e8f32de5SMark Haverkamp aac_fib_init(fib);
1235d1ef4da8SRaghava Aditya Renukunta if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1236d1ef4da8SRaghava Aditya Renukunta dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1237d1ef4da8SRaghava Aditya Renukunta !dev->sync_mode) {
123885d22bbfSMahesh Rajashekhara struct aac_raw_io2 *readcmd2;
123985d22bbfSMahesh Rajashekhara readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
124085d22bbfSMahesh Rajashekhara memset(readcmd2, 0, sizeof(struct aac_raw_io2));
124185d22bbfSMahesh Rajashekhara readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
124285d22bbfSMahesh Rajashekhara readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1243b836439fSMahesh Rajashekhara readcmd2->byteCount = cpu_to_le32(count *
1244b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
124585d22bbfSMahesh Rajashekhara readcmd2->cid = cpu_to_le16(scmd_id(cmd));
124685d22bbfSMahesh Rajashekhara readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
12470b433447SMahesh Rajashekhara ret = aac_build_sgraw2(cmd, readcmd2,
12480b433447SMahesh Rajashekhara dev->scsi_host_ptr->sg_tablesize);
12490b433447SMahesh Rajashekhara if (ret < 0)
12500b433447SMahesh Rajashekhara return ret;
125185d22bbfSMahesh Rajashekhara command = ContainerRawIo2;
125239107e85SGustavo A. R. Silva fibsize = struct_size(readcmd2, sge,
125339107e85SGustavo A. R. Silva le32_to_cpu(readcmd2->sgeCnt));
125485d22bbfSMahesh Rajashekhara } else {
125585d22bbfSMahesh Rajashekhara struct aac_raw_io *readcmd;
1256e8f32de5SMark Haverkamp readcmd = (struct aac_raw_io *) fib_data(fib);
1257e8f32de5SMark Haverkamp readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1258e8f32de5SMark Haverkamp readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1259b836439fSMahesh Rajashekhara readcmd->count = cpu_to_le32(count *
1260b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
1261e8f32de5SMark Haverkamp readcmd->cid = cpu_to_le16(scmd_id(cmd));
126285d22bbfSMahesh Rajashekhara readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1263e8f32de5SMark Haverkamp readcmd->bpTotal = 0;
1264e8f32de5SMark Haverkamp readcmd->bpComplete = 0;
12650b433447SMahesh Rajashekhara ret = aac_build_sgraw(cmd, &readcmd->sg);
12660b433447SMahesh Rajashekhara if (ret < 0)
12670b433447SMahesh Rajashekhara return ret;
126885d22bbfSMahesh Rajashekhara command = ContainerRawIo;
126985d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io) +
127085d22bbfSMahesh Rajashekhara ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
127185d22bbfSMahesh Rajashekhara }
127285d22bbfSMahesh Rajashekhara
1273e8f32de5SMark Haverkamp BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1274e8f32de5SMark Haverkamp /*
1275e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1276e8f32de5SMark Haverkamp */
127785d22bbfSMahesh Rajashekhara return aac_fib_send(command,
1278e8f32de5SMark Haverkamp fib,
1279e8f32de5SMark Haverkamp fibsize,
1280e8f32de5SMark Haverkamp FsaNormal,
1281e8f32de5SMark Haverkamp 0, 1,
1282e8f32de5SMark Haverkamp (fib_callback) io_callback,
1283e8f32de5SMark Haverkamp (void *) cmd);
1284e8f32de5SMark Haverkamp }
1285e8f32de5SMark Haverkamp
aac_read_block64(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count)1286e8f32de5SMark Haverkamp static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1287e8f32de5SMark Haverkamp {
1288e8f32de5SMark Haverkamp u16 fibsize;
1289e8f32de5SMark Haverkamp struct aac_read64 *readcmd;
12900b433447SMahesh Rajashekhara long ret;
12910b433447SMahesh Rajashekhara
1292e8f32de5SMark Haverkamp aac_fib_init(fib);
1293e8f32de5SMark Haverkamp readcmd = (struct aac_read64 *) fib_data(fib);
1294e8f32de5SMark Haverkamp readcmd->command = cpu_to_le32(VM_CtHostRead64);
1295e8f32de5SMark Haverkamp readcmd->cid = cpu_to_le16(scmd_id(cmd));
1296e8f32de5SMark Haverkamp readcmd->sector_count = cpu_to_le16(count);
1297e8f32de5SMark Haverkamp readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1298e8f32de5SMark Haverkamp readcmd->pad = 0;
1299e8f32de5SMark Haverkamp readcmd->flags = 0;
1300e8f32de5SMark Haverkamp
13010b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, &readcmd->sg);
13020b433447SMahesh Rajashekhara if (ret < 0)
13030b433447SMahesh Rajashekhara return ret;
1304e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_read64) +
1305e8f32de5SMark Haverkamp ((le32_to_cpu(readcmd->sg.count) - 1) *
1306e8f32de5SMark Haverkamp sizeof (struct sgentry64));
1307e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1308e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1309e8f32de5SMark Haverkamp /*
1310e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1311e8f32de5SMark Haverkamp */
1312e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand64,
1313e8f32de5SMark Haverkamp fib,
1314e8f32de5SMark Haverkamp fibsize,
1315e8f32de5SMark Haverkamp FsaNormal,
1316e8f32de5SMark Haverkamp 0, 1,
1317e8f32de5SMark Haverkamp (fib_callback) io_callback,
1318e8f32de5SMark Haverkamp (void *) cmd);
1319e8f32de5SMark Haverkamp }
1320e8f32de5SMark Haverkamp
aac_read_block(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count)1321e8f32de5SMark Haverkamp static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1322e8f32de5SMark Haverkamp {
1323e8f32de5SMark Haverkamp u16 fibsize;
1324e8f32de5SMark Haverkamp struct aac_read *readcmd;
1325b836439fSMahesh Rajashekhara struct aac_dev *dev = fib->dev;
13260b433447SMahesh Rajashekhara long ret;
13270b433447SMahesh Rajashekhara
1328e8f32de5SMark Haverkamp aac_fib_init(fib);
1329e8f32de5SMark Haverkamp readcmd = (struct aac_read *) fib_data(fib);
1330e8f32de5SMark Haverkamp readcmd->command = cpu_to_le32(VM_CtBlockRead);
1331f3307f72SChristoph Hellwig readcmd->cid = cpu_to_le32(scmd_id(cmd));
1332e8f32de5SMark Haverkamp readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1333b836439fSMahesh Rajashekhara readcmd->count = cpu_to_le32(count *
1334b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
1335e8f32de5SMark Haverkamp
13360b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, &readcmd->sg);
13370b433447SMahesh Rajashekhara if (ret < 0)
13380b433447SMahesh Rajashekhara return ret;
1339e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_read) +
1340e8f32de5SMark Haverkamp ((le32_to_cpu(readcmd->sg.count) - 1) *
1341e8f32de5SMark Haverkamp sizeof (struct sgentry));
1342e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1343e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1344e8f32de5SMark Haverkamp /*
1345e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1346e8f32de5SMark Haverkamp */
1347e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand,
1348e8f32de5SMark Haverkamp fib,
1349e8f32de5SMark Haverkamp fibsize,
1350e8f32de5SMark Haverkamp FsaNormal,
1351e8f32de5SMark Haverkamp 0, 1,
1352e8f32de5SMark Haverkamp (fib_callback) io_callback,
1353e8f32de5SMark Haverkamp (void *) cmd);
1354e8f32de5SMark Haverkamp }
1355e8f32de5SMark Haverkamp
aac_write_raw_io(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count,int fua)13569d399cc7SSalyzyn, Mark static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1357e8f32de5SMark Haverkamp {
135885d22bbfSMahesh Rajashekhara struct aac_dev *dev = fib->dev;
135985d22bbfSMahesh Rajashekhara u16 fibsize, command;
13600b433447SMahesh Rajashekhara long ret;
136185d22bbfSMahesh Rajashekhara
1362e8f32de5SMark Haverkamp aac_fib_init(fib);
1363d1ef4da8SRaghava Aditya Renukunta if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1364d1ef4da8SRaghava Aditya Renukunta dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1365d1ef4da8SRaghava Aditya Renukunta !dev->sync_mode) {
136685d22bbfSMahesh Rajashekhara struct aac_raw_io2 *writecmd2;
136785d22bbfSMahesh Rajashekhara writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
136885d22bbfSMahesh Rajashekhara memset(writecmd2, 0, sizeof(struct aac_raw_io2));
136985d22bbfSMahesh Rajashekhara writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
137085d22bbfSMahesh Rajashekhara writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1371b836439fSMahesh Rajashekhara writecmd2->byteCount = cpu_to_le32(count *
1372b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
137385d22bbfSMahesh Rajashekhara writecmd2->cid = cpu_to_le16(scmd_id(cmd));
137485d22bbfSMahesh Rajashekhara writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
137585d22bbfSMahesh Rajashekhara (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
137685d22bbfSMahesh Rajashekhara cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
137785d22bbfSMahesh Rajashekhara cpu_to_le16(RIO2_IO_TYPE_WRITE);
13780b433447SMahesh Rajashekhara ret = aac_build_sgraw2(cmd, writecmd2,
13790b433447SMahesh Rajashekhara dev->scsi_host_ptr->sg_tablesize);
13800b433447SMahesh Rajashekhara if (ret < 0)
13810b433447SMahesh Rajashekhara return ret;
138285d22bbfSMahesh Rajashekhara command = ContainerRawIo2;
138339107e85SGustavo A. R. Silva fibsize = struct_size(writecmd2, sge,
138439107e85SGustavo A. R. Silva le32_to_cpu(writecmd2->sgeCnt));
138585d22bbfSMahesh Rajashekhara } else {
138685d22bbfSMahesh Rajashekhara struct aac_raw_io *writecmd;
1387e8f32de5SMark Haverkamp writecmd = (struct aac_raw_io *) fib_data(fib);
1388e8f32de5SMark Haverkamp writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1389e8f32de5SMark Haverkamp writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1390b836439fSMahesh Rajashekhara writecmd->count = cpu_to_le32(count *
1391b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
1392e8f32de5SMark Haverkamp writecmd->cid = cpu_to_le16(scmd_id(cmd));
139395e852e1SSalyzyn, Mark writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
139495e852e1SSalyzyn, Mark (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
139585d22bbfSMahesh Rajashekhara cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
139685d22bbfSMahesh Rajashekhara cpu_to_le16(RIO_TYPE_WRITE);
1397e8f32de5SMark Haverkamp writecmd->bpTotal = 0;
1398e8f32de5SMark Haverkamp writecmd->bpComplete = 0;
13990b433447SMahesh Rajashekhara ret = aac_build_sgraw(cmd, &writecmd->sg);
14000b433447SMahesh Rajashekhara if (ret < 0)
14010b433447SMahesh Rajashekhara return ret;
140285d22bbfSMahesh Rajashekhara command = ContainerRawIo;
140385d22bbfSMahesh Rajashekhara fibsize = sizeof(struct aac_raw_io) +
140485d22bbfSMahesh Rajashekhara ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
140585d22bbfSMahesh Rajashekhara }
140685d22bbfSMahesh Rajashekhara
1407e8f32de5SMark Haverkamp BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1408e8f32de5SMark Haverkamp /*
1409e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1410e8f32de5SMark Haverkamp */
141185d22bbfSMahesh Rajashekhara return aac_fib_send(command,
1412e8f32de5SMark Haverkamp fib,
1413e8f32de5SMark Haverkamp fibsize,
1414e8f32de5SMark Haverkamp FsaNormal,
1415e8f32de5SMark Haverkamp 0, 1,
1416e8f32de5SMark Haverkamp (fib_callback) io_callback,
1417e8f32de5SMark Haverkamp (void *) cmd);
1418e8f32de5SMark Haverkamp }
1419e8f32de5SMark Haverkamp
aac_write_block64(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count,int fua)14209d399cc7SSalyzyn, Mark static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1421e8f32de5SMark Haverkamp {
1422e8f32de5SMark Haverkamp u16 fibsize;
1423e8f32de5SMark Haverkamp struct aac_write64 *writecmd;
14240b433447SMahesh Rajashekhara long ret;
14250b433447SMahesh Rajashekhara
1426e8f32de5SMark Haverkamp aac_fib_init(fib);
1427e8f32de5SMark Haverkamp writecmd = (struct aac_write64 *) fib_data(fib);
1428e8f32de5SMark Haverkamp writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1429e8f32de5SMark Haverkamp writecmd->cid = cpu_to_le16(scmd_id(cmd));
1430e8f32de5SMark Haverkamp writecmd->sector_count = cpu_to_le16(count);
1431e8f32de5SMark Haverkamp writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1432e8f32de5SMark Haverkamp writecmd->pad = 0;
1433e8f32de5SMark Haverkamp writecmd->flags = 0;
1434e8f32de5SMark Haverkamp
14350b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, &writecmd->sg);
14360b433447SMahesh Rajashekhara if (ret < 0)
14370b433447SMahesh Rajashekhara return ret;
1438e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_write64) +
1439e8f32de5SMark Haverkamp ((le32_to_cpu(writecmd->sg.count) - 1) *
1440e8f32de5SMark Haverkamp sizeof (struct sgentry64));
1441e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1442e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1443e8f32de5SMark Haverkamp /*
1444e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1445e8f32de5SMark Haverkamp */
1446e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand64,
1447e8f32de5SMark Haverkamp fib,
1448e8f32de5SMark Haverkamp fibsize,
1449e8f32de5SMark Haverkamp FsaNormal,
1450e8f32de5SMark Haverkamp 0, 1,
1451e8f32de5SMark Haverkamp (fib_callback) io_callback,
1452e8f32de5SMark Haverkamp (void *) cmd);
1453e8f32de5SMark Haverkamp }
1454e8f32de5SMark Haverkamp
aac_write_block(struct fib * fib,struct scsi_cmnd * cmd,u64 lba,u32 count,int fua)14559d399cc7SSalyzyn, Mark static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1456e8f32de5SMark Haverkamp {
1457e8f32de5SMark Haverkamp u16 fibsize;
1458e8f32de5SMark Haverkamp struct aac_write *writecmd;
1459b836439fSMahesh Rajashekhara struct aac_dev *dev = fib->dev;
14600b433447SMahesh Rajashekhara long ret;
14610b433447SMahesh Rajashekhara
1462e8f32de5SMark Haverkamp aac_fib_init(fib);
1463e8f32de5SMark Haverkamp writecmd = (struct aac_write *) fib_data(fib);
1464e8f32de5SMark Haverkamp writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1465f3307f72SChristoph Hellwig writecmd->cid = cpu_to_le32(scmd_id(cmd));
1466e8f32de5SMark Haverkamp writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1467b836439fSMahesh Rajashekhara writecmd->count = cpu_to_le32(count *
1468b836439fSMahesh Rajashekhara dev->fsa_dev[scmd_id(cmd)].block_size);
1469e8f32de5SMark Haverkamp writecmd->sg.count = cpu_to_le32(1);
1470e8f32de5SMark Haverkamp /* ->stable is not used - it did mean which type of write */
1471e8f32de5SMark Haverkamp
14720b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, &writecmd->sg);
14730b433447SMahesh Rajashekhara if (ret < 0)
14740b433447SMahesh Rajashekhara return ret;
1475e8f32de5SMark Haverkamp fibsize = sizeof(struct aac_write) +
1476e8f32de5SMark Haverkamp ((le32_to_cpu(writecmd->sg.count) - 1) *
1477e8f32de5SMark Haverkamp sizeof (struct sgentry));
1478e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1479e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1480e8f32de5SMark Haverkamp /*
1481e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1482e8f32de5SMark Haverkamp */
1483e8f32de5SMark Haverkamp return aac_fib_send(ContainerCommand,
1484e8f32de5SMark Haverkamp fib,
1485e8f32de5SMark Haverkamp fibsize,
1486e8f32de5SMark Haverkamp FsaNormal,
1487e8f32de5SMark Haverkamp 0, 1,
1488e8f32de5SMark Haverkamp (fib_callback) io_callback,
1489e8f32de5SMark Haverkamp (void *) cmd);
1490e8f32de5SMark Haverkamp }
1491e8f32de5SMark Haverkamp
aac_scsi_common(struct fib * fib,struct scsi_cmnd * cmd)1492e8f32de5SMark Haverkamp static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1493e8f32de5SMark Haverkamp {
1494e8f32de5SMark Haverkamp struct aac_srb * srbcmd;
1495e8f32de5SMark Haverkamp u32 flag;
1496e8f32de5SMark Haverkamp u32 timeout;
1497e2fd90ddSBalsundar P struct aac_dev *dev = fib->dev;
1498e8f32de5SMark Haverkamp
1499e8f32de5SMark Haverkamp aac_fib_init(fib);
1500e8f32de5SMark Haverkamp switch(cmd->sc_data_direction){
1501e8f32de5SMark Haverkamp case DMA_TO_DEVICE:
1502e8f32de5SMark Haverkamp flag = SRB_DataOut;
1503e8f32de5SMark Haverkamp break;
1504e8f32de5SMark Haverkamp case DMA_BIDIRECTIONAL:
1505e8f32de5SMark Haverkamp flag = SRB_DataIn | SRB_DataOut;
1506e8f32de5SMark Haverkamp break;
1507e8f32de5SMark Haverkamp case DMA_FROM_DEVICE:
1508e8f32de5SMark Haverkamp flag = SRB_DataIn;
1509e8f32de5SMark Haverkamp break;
1510e8f32de5SMark Haverkamp case DMA_NONE:
1511e8f32de5SMark Haverkamp default: /* shuts up some versions of gcc */
1512e8f32de5SMark Haverkamp flag = SRB_NoDataXfer;
1513e8f32de5SMark Haverkamp break;
1514e8f32de5SMark Haverkamp }
1515e8f32de5SMark Haverkamp
1516e8f32de5SMark Haverkamp srbcmd = (struct aac_srb*) fib_data(fib);
1517e8f32de5SMark Haverkamp srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1518e8f32de5SMark Haverkamp srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1519e8f32de5SMark Haverkamp srbcmd->id = cpu_to_le32(scmd_id(cmd));
1520e8f32de5SMark Haverkamp srbcmd->lun = cpu_to_le32(cmd->device->lun);
1521e8f32de5SMark Haverkamp srbcmd->flags = cpu_to_le32(flag);
15228779b4bdSBart Van Assche timeout = scsi_cmd_to_rq(cmd)->timeout / HZ;
1523e8f32de5SMark Haverkamp if (timeout == 0)
1524e2fd90ddSBalsundar P timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT);
1525e8f32de5SMark Haverkamp srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1526e8f32de5SMark Haverkamp srbcmd->retry_limit = 0; /* Obsolete parameter */
1527e8f32de5SMark Haverkamp srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1528e8f32de5SMark Haverkamp return srbcmd;
1529e8f32de5SMark Haverkamp }
1530e8f32de5SMark Haverkamp
aac_construct_hbacmd(struct fib * fib,struct scsi_cmnd * cmd)1531ab5d129fSRaghava Aditya Renukunta static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1532ab5d129fSRaghava Aditya Renukunta struct scsi_cmnd *cmd)
1533ab5d129fSRaghava Aditya Renukunta {
1534ab5d129fSRaghava Aditya Renukunta struct aac_hba_cmd_req *hbacmd;
1535ab5d129fSRaghava Aditya Renukunta struct aac_dev *dev;
1536ab5d129fSRaghava Aditya Renukunta int bus, target;
1537ab5d129fSRaghava Aditya Renukunta u64 address;
1538ab5d129fSRaghava Aditya Renukunta
1539ab5d129fSRaghava Aditya Renukunta dev = (struct aac_dev *)cmd->device->host->hostdata;
1540ab5d129fSRaghava Aditya Renukunta
1541ab5d129fSRaghava Aditya Renukunta hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1542ab5d129fSRaghava Aditya Renukunta memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */
1543ab5d129fSRaghava Aditya Renukunta /* iu_type is a parameter of aac_hba_send */
1544ab5d129fSRaghava Aditya Renukunta switch (cmd->sc_data_direction) {
1545ab5d129fSRaghava Aditya Renukunta case DMA_TO_DEVICE:
1546ab5d129fSRaghava Aditya Renukunta hbacmd->byte1 = 2;
1547ab5d129fSRaghava Aditya Renukunta break;
1548ab5d129fSRaghava Aditya Renukunta case DMA_FROM_DEVICE:
1549ab5d129fSRaghava Aditya Renukunta case DMA_BIDIRECTIONAL:
1550ab5d129fSRaghava Aditya Renukunta hbacmd->byte1 = 1;
1551ab5d129fSRaghava Aditya Renukunta break;
1552ab5d129fSRaghava Aditya Renukunta case DMA_NONE:
1553ab5d129fSRaghava Aditya Renukunta default:
1554ab5d129fSRaghava Aditya Renukunta break;
1555ab5d129fSRaghava Aditya Renukunta }
1556ab5d129fSRaghava Aditya Renukunta hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1557ab5d129fSRaghava Aditya Renukunta
1558ab5d129fSRaghava Aditya Renukunta bus = aac_logical_to_phys(scmd_channel(cmd));
1559ab5d129fSRaghava Aditya Renukunta target = scmd_id(cmd);
1560ab5d129fSRaghava Aditya Renukunta hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1561ab5d129fSRaghava Aditya Renukunta
1562ab5d129fSRaghava Aditya Renukunta /* we fill in reply_qid later in aac_src_deliver_message */
1563ab5d129fSRaghava Aditya Renukunta /* we fill in iu_type, request_id later in aac_hba_send */
1564ab5d129fSRaghava Aditya Renukunta /* we fill in emb_data_desc_count later in aac_build_sghba */
1565ab5d129fSRaghava Aditya Renukunta
1566ab5d129fSRaghava Aditya Renukunta memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1567ab5d129fSRaghava Aditya Renukunta hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1568ab5d129fSRaghava Aditya Renukunta
1569ab5d129fSRaghava Aditya Renukunta address = (u64)fib->hw_error_pa;
1570ab5d129fSRaghava Aditya Renukunta hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1571ab5d129fSRaghava Aditya Renukunta hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1572ab5d129fSRaghava Aditya Renukunta hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1573ab5d129fSRaghava Aditya Renukunta
1574ab5d129fSRaghava Aditya Renukunta return hbacmd;
1575ab5d129fSRaghava Aditya Renukunta }
1576ab5d129fSRaghava Aditya Renukunta
1577e8f32de5SMark Haverkamp static void aac_srb_callback(void *context, struct fib * fibptr);
1578e8f32de5SMark Haverkamp
aac_scsi_64(struct fib * fib,struct scsi_cmnd * cmd)1579e8f32de5SMark Haverkamp static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1580e8f32de5SMark Haverkamp {
1581e8f32de5SMark Haverkamp u16 fibsize;
1582e8f32de5SMark Haverkamp struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
15830b433447SMahesh Rajashekhara long ret;
1584e8f32de5SMark Haverkamp
15850b433447SMahesh Rajashekhara ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
15860b433447SMahesh Rajashekhara if (ret < 0)
15870b433447SMahesh Rajashekhara return ret;
1588727eead6SFUJITA Tomonori srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1589e8f32de5SMark Haverkamp
1590e8f32de5SMark Haverkamp memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1591e8f32de5SMark Haverkamp memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1592e8f32de5SMark Haverkamp /*
1593e8f32de5SMark Haverkamp * Build Scatter/Gather list
1594e8f32de5SMark Haverkamp */
1595e8f32de5SMark Haverkamp fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1596e8f32de5SMark Haverkamp ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1597e8f32de5SMark Haverkamp sizeof (struct sgentry64));
1598e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1599e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1600e8f32de5SMark Haverkamp
1601e8f32de5SMark Haverkamp /*
1602e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1603e8f32de5SMark Haverkamp */
1604e8f32de5SMark Haverkamp return aac_fib_send(ScsiPortCommand64, fib,
1605e8f32de5SMark Haverkamp fibsize, FsaNormal, 0, 1,
1606e8f32de5SMark Haverkamp (fib_callback) aac_srb_callback,
1607e8f32de5SMark Haverkamp (void *) cmd);
1608e8f32de5SMark Haverkamp }
1609e8f32de5SMark Haverkamp
aac_scsi_32(struct fib * fib,struct scsi_cmnd * cmd)1610e8f32de5SMark Haverkamp static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1611e8f32de5SMark Haverkamp {
1612e8f32de5SMark Haverkamp u16 fibsize;
1613e8f32de5SMark Haverkamp struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
16140b433447SMahesh Rajashekhara long ret;
1615e8f32de5SMark Haverkamp
16160b433447SMahesh Rajashekhara ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
16170b433447SMahesh Rajashekhara if (ret < 0)
16180b433447SMahesh Rajashekhara return ret;
1619727eead6SFUJITA Tomonori srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1620e8f32de5SMark Haverkamp
1621e8f32de5SMark Haverkamp memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1622e8f32de5SMark Haverkamp memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1623e8f32de5SMark Haverkamp /*
1624e8f32de5SMark Haverkamp * Build Scatter/Gather list
1625e8f32de5SMark Haverkamp */
1626e8f32de5SMark Haverkamp fibsize = sizeof (struct aac_srb) +
1627e8f32de5SMark Haverkamp (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1628e8f32de5SMark Haverkamp sizeof (struct sgentry));
1629e8f32de5SMark Haverkamp BUG_ON (fibsize > (fib->dev->max_fib_size -
1630e8f32de5SMark Haverkamp sizeof(struct aac_fibhdr)));
1631e8f32de5SMark Haverkamp
1632e8f32de5SMark Haverkamp /*
1633e8f32de5SMark Haverkamp * Now send the Fib to the adapter
1634e8f32de5SMark Haverkamp */
1635e8f32de5SMark Haverkamp return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1636e8f32de5SMark Haverkamp (fib_callback) aac_srb_callback, (void *) cmd);
1637e8f32de5SMark Haverkamp }
1638e8f32de5SMark Haverkamp
aac_scsi_32_64(struct fib * fib,struct scsi_cmnd * cmd)163994cf6ba1SSalyzyn, Mark static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
164094cf6ba1SSalyzyn, Mark {
1641d8e96507SLeubner, Achim if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
164294cf6ba1SSalyzyn, Mark (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
164394cf6ba1SSalyzyn, Mark return FAILED;
164494cf6ba1SSalyzyn, Mark return aac_scsi_32(fib, cmd);
164594cf6ba1SSalyzyn, Mark }
164694cf6ba1SSalyzyn, Mark
aac_adapter_hba(struct fib * fib,struct scsi_cmnd * cmd)1647ab5d129fSRaghava Aditya Renukunta static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1648ab5d129fSRaghava Aditya Renukunta {
1649ab5d129fSRaghava Aditya Renukunta struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1650ab5d129fSRaghava Aditya Renukunta struct aac_dev *dev;
1651ab5d129fSRaghava Aditya Renukunta long ret;
1652ab5d129fSRaghava Aditya Renukunta
1653ab5d129fSRaghava Aditya Renukunta dev = (struct aac_dev *)cmd->device->host->hostdata;
1654ab5d129fSRaghava Aditya Renukunta
1655ab5d129fSRaghava Aditya Renukunta ret = aac_build_sghba(cmd, hbacmd,
1656ab5d129fSRaghava Aditya Renukunta dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1657ab5d129fSRaghava Aditya Renukunta if (ret < 0)
1658ab5d129fSRaghava Aditya Renukunta return ret;
1659ab5d129fSRaghava Aditya Renukunta
1660ab5d129fSRaghava Aditya Renukunta /*
1661ab5d129fSRaghava Aditya Renukunta * Now send the HBA command to the adapter
1662ab5d129fSRaghava Aditya Renukunta */
1663ab5d129fSRaghava Aditya Renukunta fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1664ab5d129fSRaghava Aditya Renukunta sizeof(struct aac_hba_sgl);
1665ab5d129fSRaghava Aditya Renukunta
1666ab5d129fSRaghava Aditya Renukunta return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1667ab5d129fSRaghava Aditya Renukunta (fib_callback) aac_hba_callback,
1668ab5d129fSRaghava Aditya Renukunta (void *) cmd);
1669ab5d129fSRaghava Aditya Renukunta }
1670ab5d129fSRaghava Aditya Renukunta
aac_send_safw_bmic_cmd(struct aac_dev * dev,struct aac_srb_unit * srbu,void * xfer_buf,int xfer_len)16718fb39182SRaghava Aditya Renukunta static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
16728fb39182SRaghava Aditya Renukunta struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
167371a91ca4SRaghava Aditya Renukunta {
167471a91ca4SRaghava Aditya Renukunta struct fib *fibptr;
167571a91ca4SRaghava Aditya Renukunta dma_addr_t addr;
16768fb39182SRaghava Aditya Renukunta int rcode;
16778fb39182SRaghava Aditya Renukunta int fibsize;
16788fb39182SRaghava Aditya Renukunta struct aac_srb *srb;
16798fb39182SRaghava Aditya Renukunta struct aac_srb_reply *srb_reply;
16808fb39182SRaghava Aditya Renukunta struct sgmap64 *sg64;
16818fb39182SRaghava Aditya Renukunta u32 vbus;
16828fb39182SRaghava Aditya Renukunta u32 vid;
168371a91ca4SRaghava Aditya Renukunta
16848fb39182SRaghava Aditya Renukunta if (!dev->sa_firmware)
16858fb39182SRaghava Aditya Renukunta return 0;
1686ab5d129fSRaghava Aditya Renukunta
16878fb39182SRaghava Aditya Renukunta /* allocate FIB */
168871a91ca4SRaghava Aditya Renukunta fibptr = aac_fib_alloc(dev);
168971a91ca4SRaghava Aditya Renukunta if (!fibptr)
16908fb39182SRaghava Aditya Renukunta return -ENOMEM;
169171a91ca4SRaghava Aditya Renukunta
169271a91ca4SRaghava Aditya Renukunta aac_fib_init(fibptr);
16938fb39182SRaghava Aditya Renukunta fibptr->hw_fib_va->header.XferState &=
16948fb39182SRaghava Aditya Renukunta ~cpu_to_le32(FastResponseCapable);
169571a91ca4SRaghava Aditya Renukunta
16968fb39182SRaghava Aditya Renukunta fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) +
16978fb39182SRaghava Aditya Renukunta sizeof(struct sgentry64);
16988fb39182SRaghava Aditya Renukunta
16998fb39182SRaghava Aditya Renukunta /* allocate DMA buffer for response */
17008fb39182SRaghava Aditya Renukunta addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
17018fb39182SRaghava Aditya Renukunta DMA_BIDIRECTIONAL);
17028fb39182SRaghava Aditya Renukunta if (dma_mapping_error(&dev->pdev->dev, addr)) {
17038fb39182SRaghava Aditya Renukunta rcode = -ENOMEM;
17048fb39182SRaghava Aditya Renukunta goto fib_error;
17058fb39182SRaghava Aditya Renukunta }
17068fb39182SRaghava Aditya Renukunta
17078fb39182SRaghava Aditya Renukunta srb = fib_data(fibptr);
17088fb39182SRaghava Aditya Renukunta memcpy(srb, &srbu->srb, sizeof(struct aac_srb));
17098fb39182SRaghava Aditya Renukunta
17108fb39182SRaghava Aditya Renukunta vbus = (u32)le16_to_cpu(
17118fb39182SRaghava Aditya Renukunta dev->supplement_adapter_info.virt_device_bus);
17128fb39182SRaghava Aditya Renukunta vid = (u32)le16_to_cpu(
17138fb39182SRaghava Aditya Renukunta dev->supplement_adapter_info.virt_device_target);
17148fb39182SRaghava Aditya Renukunta
17158fb39182SRaghava Aditya Renukunta /* set the common request fields */
17168fb39182SRaghava Aditya Renukunta srb->channel = cpu_to_le32(vbus);
17178fb39182SRaghava Aditya Renukunta srb->id = cpu_to_le32(vid);
17188fb39182SRaghava Aditya Renukunta srb->lun = 0;
17198fb39182SRaghava Aditya Renukunta srb->function = cpu_to_le32(SRBF_ExecuteScsi);
17208fb39182SRaghava Aditya Renukunta srb->timeout = 0;
17218fb39182SRaghava Aditya Renukunta srb->retry_limit = 0;
17228fb39182SRaghava Aditya Renukunta srb->cdb_size = cpu_to_le32(16);
17238fb39182SRaghava Aditya Renukunta srb->count = cpu_to_le32(xfer_len);
17248fb39182SRaghava Aditya Renukunta
17258fb39182SRaghava Aditya Renukunta sg64 = (struct sgmap64 *)&srb->sg;
17268fb39182SRaghava Aditya Renukunta sg64->count = cpu_to_le32(1);
17278fb39182SRaghava Aditya Renukunta sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
17288fb39182SRaghava Aditya Renukunta sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
17298fb39182SRaghava Aditya Renukunta sg64->sg[0].count = cpu_to_le32(xfer_len);
17308fb39182SRaghava Aditya Renukunta
17318fb39182SRaghava Aditya Renukunta /*
17328fb39182SRaghava Aditya Renukunta * Copy the updated data for other dumping or other usage if needed
17338fb39182SRaghava Aditya Renukunta */
17348fb39182SRaghava Aditya Renukunta memcpy(&srbu->srb, srb, sizeof(struct aac_srb));
17358fb39182SRaghava Aditya Renukunta
17368fb39182SRaghava Aditya Renukunta /* issue request to the controller */
17378fb39182SRaghava Aditya Renukunta rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
17388fb39182SRaghava Aditya Renukunta 1, 1, NULL, NULL);
17398fb39182SRaghava Aditya Renukunta
17408fb39182SRaghava Aditya Renukunta if (rcode == -ERESTARTSYS)
17418fb39182SRaghava Aditya Renukunta rcode = -ERESTART;
17428fb39182SRaghava Aditya Renukunta
17438fb39182SRaghava Aditya Renukunta if (unlikely(rcode < 0))
17448fb39182SRaghava Aditya Renukunta goto bmic_error;
17458fb39182SRaghava Aditya Renukunta
17468fb39182SRaghava Aditya Renukunta srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
17478fb39182SRaghava Aditya Renukunta memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));
17488fb39182SRaghava Aditya Renukunta
17498fb39182SRaghava Aditya Renukunta bmic_error:
17508fb39182SRaghava Aditya Renukunta dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
17518fb39182SRaghava Aditya Renukunta fib_error:
17528fb39182SRaghava Aditya Renukunta aac_fib_complete(fibptr);
17538fb39182SRaghava Aditya Renukunta aac_fib_free(fibptr);
17548fb39182SRaghava Aditya Renukunta return rcode;
17558fb39182SRaghava Aditya Renukunta }
17568fb39182SRaghava Aditya Renukunta
aac_set_safw_target_qd(struct aac_dev * dev,int bus,int target)17570bcb45fbSRaghava Aditya Renukunta static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
17580bcb45fbSRaghava Aditya Renukunta {
17590bcb45fbSRaghava Aditya Renukunta
17600bcb45fbSRaghava Aditya Renukunta struct aac_ciss_identify_pd *identify_resp;
17610bcb45fbSRaghava Aditya Renukunta
17620bcb45fbSRaghava Aditya Renukunta if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
17630bcb45fbSRaghava Aditya Renukunta return;
17640bcb45fbSRaghava Aditya Renukunta
17650bcb45fbSRaghava Aditya Renukunta identify_resp = dev->hba_map[bus][target].safw_identify_resp;
17660bcb45fbSRaghava Aditya Renukunta if (identify_resp == NULL) {
17670bcb45fbSRaghava Aditya Renukunta dev->hba_map[bus][target].qd_limit = 32;
17680bcb45fbSRaghava Aditya Renukunta return;
17690bcb45fbSRaghava Aditya Renukunta }
17700bcb45fbSRaghava Aditya Renukunta
17710bcb45fbSRaghava Aditya Renukunta if (identify_resp->current_queue_depth_limit <= 0 ||
17720bcb45fbSRaghava Aditya Renukunta identify_resp->current_queue_depth_limit > 255)
17730bcb45fbSRaghava Aditya Renukunta dev->hba_map[bus][target].qd_limit = 32;
17740bcb45fbSRaghava Aditya Renukunta else
17750bcb45fbSRaghava Aditya Renukunta dev->hba_map[bus][target].qd_limit =
17760bcb45fbSRaghava Aditya Renukunta identify_resp->current_queue_depth_limit;
17770bcb45fbSRaghava Aditya Renukunta }
17780bcb45fbSRaghava Aditya Renukunta
aac_issue_safw_bmic_identify(struct aac_dev * dev,struct aac_ciss_identify_pd ** identify_resp,u32 bus,u32 target)1779b5a475e9SRaghava Aditya Renukunta static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
1780e2ee8c94SRaghava Aditya Renukunta struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
17818fb39182SRaghava Aditya Renukunta {
17828fb39182SRaghava Aditya Renukunta int rcode = -ENOMEM;
1783b5a475e9SRaghava Aditya Renukunta int datasize;
17848fb39182SRaghava Aditya Renukunta struct aac_srb_unit srbu;
17858fb39182SRaghava Aditya Renukunta struct aac_srb *srbcmd;
1786b5a475e9SRaghava Aditya Renukunta struct aac_ciss_identify_pd *identify_reply;
17878fb39182SRaghava Aditya Renukunta
17888fb39182SRaghava Aditya Renukunta datasize = sizeof(struct aac_ciss_identify_pd);
1789b5a475e9SRaghava Aditya Renukunta identify_reply = kmalloc(datasize, GFP_KERNEL);
1790b5a475e9SRaghava Aditya Renukunta if (!identify_reply)
17918fb39182SRaghava Aditya Renukunta goto out;
17928fb39182SRaghava Aditya Renukunta
17938fb39182SRaghava Aditya Renukunta memset(&srbu, 0, sizeof(struct aac_srb_unit));
17948fb39182SRaghava Aditya Renukunta
17958fb39182SRaghava Aditya Renukunta srbcmd = &srbu.srb;
179671a91ca4SRaghava Aditya Renukunta srbcmd->flags = cpu_to_le32(SRB_DataIn);
179771a91ca4SRaghava Aditya Renukunta srbcmd->cdb[0] = 0x26;
179871a91ca4SRaghava Aditya Renukunta srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF);
179971a91ca4SRaghava Aditya Renukunta srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE;
180071a91ca4SRaghava Aditya Renukunta
1801b5a475e9SRaghava Aditya Renukunta rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
18028fb39182SRaghava Aditya Renukunta if (unlikely(rcode < 0))
1803e2ee8c94SRaghava Aditya Renukunta goto mem_free_all;
180471a91ca4SRaghava Aditya Renukunta
1805e2ee8c94SRaghava Aditya Renukunta *identify_resp = identify_reply;
1806e2ee8c94SRaghava Aditya Renukunta
180771a91ca4SRaghava Aditya Renukunta out:
180871a91ca4SRaghava Aditya Renukunta return rcode;
1809e2ee8c94SRaghava Aditya Renukunta mem_free_all:
1810e2ee8c94SRaghava Aditya Renukunta kfree(identify_reply);
1811e2ee8c94SRaghava Aditya Renukunta goto out;
181271a91ca4SRaghava Aditya Renukunta }
181371a91ca4SRaghava Aditya Renukunta
aac_free_safw_ciss_luns(struct aac_dev * dev)1814a25b6ca1SRaghava Aditya Renukunta static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
1815a25b6ca1SRaghava Aditya Renukunta {
1816a25b6ca1SRaghava Aditya Renukunta kfree(dev->safw_phys_luns);
1817a25b6ca1SRaghava Aditya Renukunta dev->safw_phys_luns = NULL;
1818a25b6ca1SRaghava Aditya Renukunta }
1819a25b6ca1SRaghava Aditya Renukunta
1820a25b6ca1SRaghava Aditya Renukunta /**
1821a80218c7SLee Jones * aac_get_safw_ciss_luns() - Process topology change
1822a25b6ca1SRaghava Aditya Renukunta * @dev: aac_dev structure
1823a25b6ca1SRaghava Aditya Renukunta *
1824a25b6ca1SRaghava Aditya Renukunta * Execute a CISS REPORT PHYS LUNS and process the results into
1825a25b6ca1SRaghava Aditya Renukunta * the current hba_map.
1826a25b6ca1SRaghava Aditya Renukunta */
aac_get_safw_ciss_luns(struct aac_dev * dev)182775be67cdSRaghava Aditya Renukunta static int aac_get_safw_ciss_luns(struct aac_dev *dev)
1828a25b6ca1SRaghava Aditya Renukunta {
1829a25b6ca1SRaghava Aditya Renukunta int rcode = -ENOMEM;
1830a25b6ca1SRaghava Aditya Renukunta int datasize;
1831a25b6ca1SRaghava Aditya Renukunta struct aac_srb *srbcmd;
1832a25b6ca1SRaghava Aditya Renukunta struct aac_srb_unit srbu;
1833a25b6ca1SRaghava Aditya Renukunta struct aac_ciss_phys_luns_resp *phys_luns;
1834a25b6ca1SRaghava Aditya Renukunta
1835a25b6ca1SRaghava Aditya Renukunta datasize = sizeof(struct aac_ciss_phys_luns_resp) +
1836a25b6ca1SRaghava Aditya Renukunta (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1837a25b6ca1SRaghava Aditya Renukunta phys_luns = kmalloc(datasize, GFP_KERNEL);
1838a25b6ca1SRaghava Aditya Renukunta if (phys_luns == NULL)
1839a25b6ca1SRaghava Aditya Renukunta goto out;
1840a25b6ca1SRaghava Aditya Renukunta
1841a25b6ca1SRaghava Aditya Renukunta memset(&srbu, 0, sizeof(struct aac_srb_unit));
1842a25b6ca1SRaghava Aditya Renukunta
1843a25b6ca1SRaghava Aditya Renukunta srbcmd = &srbu.srb;
1844a25b6ca1SRaghava Aditya Renukunta srbcmd->flags = cpu_to_le32(SRB_DataIn);
1845a25b6ca1SRaghava Aditya Renukunta srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
1846a25b6ca1SRaghava Aditya Renukunta srbcmd->cdb[1] = 2; /* extended reporting */
1847a25b6ca1SRaghava Aditya Renukunta srbcmd->cdb[8] = (u8)(datasize >> 8);
1848a25b6ca1SRaghava Aditya Renukunta srbcmd->cdb[9] = (u8)(datasize);
1849a25b6ca1SRaghava Aditya Renukunta
1850a25b6ca1SRaghava Aditya Renukunta rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
1851a25b6ca1SRaghava Aditya Renukunta if (unlikely(rcode < 0))
1852a25b6ca1SRaghava Aditya Renukunta goto mem_free_all;
1853a25b6ca1SRaghava Aditya Renukunta
1854a25b6ca1SRaghava Aditya Renukunta if (phys_luns->resp_flag != 2) {
1855a25b6ca1SRaghava Aditya Renukunta rcode = -ENOMSG;
1856a25b6ca1SRaghava Aditya Renukunta goto mem_free_all;
1857a25b6ca1SRaghava Aditya Renukunta }
1858a25b6ca1SRaghava Aditya Renukunta
1859a25b6ca1SRaghava Aditya Renukunta dev->safw_phys_luns = phys_luns;
1860a25b6ca1SRaghava Aditya Renukunta
1861a25b6ca1SRaghava Aditya Renukunta out:
1862a25b6ca1SRaghava Aditya Renukunta return rcode;
1863a25b6ca1SRaghava Aditya Renukunta mem_free_all:
1864a25b6ca1SRaghava Aditya Renukunta kfree(phys_luns);
1865a25b6ca1SRaghava Aditya Renukunta goto out;
18664b000227SRaghava Aditya Renukunta }
1867a25b6ca1SRaghava Aditya Renukunta
aac_get_safw_phys_lun_count(struct aac_dev * dev)18684b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
18694b000227SRaghava Aditya Renukunta {
1870bbd16d96SRaghava Aditya Renukunta return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
18714b000227SRaghava Aditya Renukunta }
18724b000227SRaghava Aditya Renukunta
aac_get_safw_phys_bus(struct aac_dev * dev,int lun)18734b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
18744b000227SRaghava Aditya Renukunta {
18754b000227SRaghava Aditya Renukunta return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
18764b000227SRaghava Aditya Renukunta }
18774b000227SRaghava Aditya Renukunta
aac_get_safw_phys_target(struct aac_dev * dev,int lun)18784b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
18794b000227SRaghava Aditya Renukunta {
18804b000227SRaghava Aditya Renukunta return dev->safw_phys_luns->lun[lun].level2[0];
18814b000227SRaghava Aditya Renukunta }
18824b000227SRaghava Aditya Renukunta
aac_get_safw_phys_expose_flag(struct aac_dev * dev,int lun)18834b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
18844b000227SRaghava Aditya Renukunta {
18854b000227SRaghava Aditya Renukunta return dev->safw_phys_luns->lun[lun].bus >> 6;
18864b000227SRaghava Aditya Renukunta }
18874b000227SRaghava Aditya Renukunta
aac_get_safw_phys_attribs(struct aac_dev * dev,int lun)18884b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
18894b000227SRaghava Aditya Renukunta {
18904b000227SRaghava Aditya Renukunta return dev->safw_phys_luns->lun[lun].node_ident[9];
18914b000227SRaghava Aditya Renukunta }
18924b000227SRaghava Aditya Renukunta
aac_get_safw_phys_nexus(struct aac_dev * dev,int lun)18934b000227SRaghava Aditya Renukunta static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
18944b000227SRaghava Aditya Renukunta {
18954b000227SRaghava Aditya Renukunta return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
18964b000227SRaghava Aditya Renukunta }
18974b000227SRaghava Aditya Renukunta
aac_free_safw_identify_resp(struct aac_dev * dev,int bus,int target)1898e2ee8c94SRaghava Aditya Renukunta static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
1899e2ee8c94SRaghava Aditya Renukunta int bus, int target)
1900e2ee8c94SRaghava Aditya Renukunta {
1901e2ee8c94SRaghava Aditya Renukunta kfree(dev->hba_map[bus][target].safw_identify_resp);
1902e2ee8c94SRaghava Aditya Renukunta dev->hba_map[bus][target].safw_identify_resp = NULL;
1903e2ee8c94SRaghava Aditya Renukunta }
1904e2ee8c94SRaghava Aditya Renukunta
aac_free_safw_all_identify_resp(struct aac_dev * dev,int lun_count)1905e2ee8c94SRaghava Aditya Renukunta static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
1906e2ee8c94SRaghava Aditya Renukunta int lun_count)
1907e2ee8c94SRaghava Aditya Renukunta {
1908e2ee8c94SRaghava Aditya Renukunta int luns;
1909e2ee8c94SRaghava Aditya Renukunta int i;
1910e2ee8c94SRaghava Aditya Renukunta u32 bus;
1911e2ee8c94SRaghava Aditya Renukunta u32 target;
1912e2ee8c94SRaghava Aditya Renukunta
1913e2ee8c94SRaghava Aditya Renukunta luns = aac_get_safw_phys_lun_count(dev);
1914e2ee8c94SRaghava Aditya Renukunta
1915e2ee8c94SRaghava Aditya Renukunta if (luns < lun_count)
1916e2ee8c94SRaghava Aditya Renukunta lun_count = luns;
1917e2ee8c94SRaghava Aditya Renukunta else if (lun_count < 0)
1918e2ee8c94SRaghava Aditya Renukunta lun_count = luns;
1919e2ee8c94SRaghava Aditya Renukunta
1920e2ee8c94SRaghava Aditya Renukunta for (i = 0; i < lun_count; i++) {
1921e2ee8c94SRaghava Aditya Renukunta bus = aac_get_safw_phys_bus(dev, i);
1922e2ee8c94SRaghava Aditya Renukunta target = aac_get_safw_phys_target(dev, i);
1923e2ee8c94SRaghava Aditya Renukunta
1924e2ee8c94SRaghava Aditya Renukunta aac_free_safw_identify_resp(dev, bus, target);
1925e2ee8c94SRaghava Aditya Renukunta }
1926e2ee8c94SRaghava Aditya Renukunta }
1927e2ee8c94SRaghava Aditya Renukunta
aac_get_safw_attr_all_targets(struct aac_dev * dev)192875be67cdSRaghava Aditya Renukunta static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
1929e2ee8c94SRaghava Aditya Renukunta {
1930e2ee8c94SRaghava Aditya Renukunta int i;
1931e2ee8c94SRaghava Aditya Renukunta int rcode = 0;
1932e2ee8c94SRaghava Aditya Renukunta u32 lun_count;
1933e2ee8c94SRaghava Aditya Renukunta u32 bus;
1934e2ee8c94SRaghava Aditya Renukunta u32 target;
1935e2ee8c94SRaghava Aditya Renukunta struct aac_ciss_identify_pd *identify_resp = NULL;
1936e2ee8c94SRaghava Aditya Renukunta
1937e2ee8c94SRaghava Aditya Renukunta lun_count = aac_get_safw_phys_lun_count(dev);
1938e2ee8c94SRaghava Aditya Renukunta
1939e2ee8c94SRaghava Aditya Renukunta for (i = 0; i < lun_count; ++i) {
1940e2ee8c94SRaghava Aditya Renukunta
1941e2ee8c94SRaghava Aditya Renukunta bus = aac_get_safw_phys_bus(dev, i);
1942e2ee8c94SRaghava Aditya Renukunta target = aac_get_safw_phys_target(dev, i);
1943e2ee8c94SRaghava Aditya Renukunta
1944e2ee8c94SRaghava Aditya Renukunta rcode = aac_issue_safw_bmic_identify(dev,
1945e2ee8c94SRaghava Aditya Renukunta &identify_resp, bus, target);
1946e2ee8c94SRaghava Aditya Renukunta
19470bcb45fbSRaghava Aditya Renukunta if (unlikely(rcode < 0))
1948e2ee8c94SRaghava Aditya Renukunta goto free_identify_resp;
1949e2ee8c94SRaghava Aditya Renukunta
1950e2ee8c94SRaghava Aditya Renukunta dev->hba_map[bus][target].safw_identify_resp = identify_resp;
1951e2ee8c94SRaghava Aditya Renukunta }
1952e2ee8c94SRaghava Aditya Renukunta
1953e2ee8c94SRaghava Aditya Renukunta out:
1954e2ee8c94SRaghava Aditya Renukunta return rcode;
1955e2ee8c94SRaghava Aditya Renukunta free_identify_resp:
1956e2ee8c94SRaghava Aditya Renukunta aac_free_safw_all_identify_resp(dev, i);
1957e2ee8c94SRaghava Aditya Renukunta goto out;
1958e2ee8c94SRaghava Aditya Renukunta }
1959e2ee8c94SRaghava Aditya Renukunta
1960c83b11e3SRaghava Aditya Renukunta /**
1961b5a475e9SRaghava Aditya Renukunta * aac_set_safw_attr_all_targets- update current hba map with data from FW
1962c83b11e3SRaghava Aditya Renukunta * @dev: aac_dev structure
1963c83b11e3SRaghava Aditya Renukunta *
1964c83b11e3SRaghava Aditya Renukunta * Update our hba map with the information gathered from the FW
1965c83b11e3SRaghava Aditya Renukunta */
aac_set_safw_attr_all_targets(struct aac_dev * dev)196675be67cdSRaghava Aditya Renukunta static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
1967c83b11e3SRaghava Aditya Renukunta {
1968c83b11e3SRaghava Aditya Renukunta /* ok and extended reporting */
1969c83b11e3SRaghava Aditya Renukunta u32 lun_count, nexus;
1970c83b11e3SRaghava Aditya Renukunta u32 i, bus, target;
1971c83b11e3SRaghava Aditya Renukunta u8 expose_flag, attribs;
19723edfb8b2SRaghava Aditya Renukunta
19734b000227SRaghava Aditya Renukunta lun_count = aac_get_safw_phys_lun_count(dev);
1974c83b11e3SRaghava Aditya Renukunta
1975f2d2cabaSRaghava Aditya Renukunta dev->scan_counter++;
1976f2d2cabaSRaghava Aditya Renukunta
1977c83b11e3SRaghava Aditya Renukunta for (i = 0; i < lun_count; ++i) {
1978c83b11e3SRaghava Aditya Renukunta
19794b000227SRaghava Aditya Renukunta bus = aac_get_safw_phys_bus(dev, i);
19804b000227SRaghava Aditya Renukunta target = aac_get_safw_phys_target(dev, i);
19814b000227SRaghava Aditya Renukunta expose_flag = aac_get_safw_phys_expose_flag(dev, i);
19824b000227SRaghava Aditya Renukunta attribs = aac_get_safw_phys_attribs(dev, i);
19834b000227SRaghava Aditya Renukunta nexus = aac_get_safw_phys_nexus(dev, i);
1984c83b11e3SRaghava Aditya Renukunta
1985c83b11e3SRaghava Aditya Renukunta if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1986c83b11e3SRaghava Aditya Renukunta continue;
1987c83b11e3SRaghava Aditya Renukunta
1988c83b11e3SRaghava Aditya Renukunta if (expose_flag != 0) {
198959b433c8SRaghava Aditya Renukunta dev->hba_map[bus][target].devtype =
199059b433c8SRaghava Aditya Renukunta AAC_DEVTYPE_RAID_MEMBER;
199159b433c8SRaghava Aditya Renukunta continue;
1992c83b11e3SRaghava Aditya Renukunta }
1993c83b11e3SRaghava Aditya Renukunta
1994c83b11e3SRaghava Aditya Renukunta if (nexus != 0 && (attribs & 8)) {
199559b433c8SRaghava Aditya Renukunta dev->hba_map[bus][target].devtype =
199659b433c8SRaghava Aditya Renukunta AAC_DEVTYPE_NATIVE_RAW;
1997c83b11e3SRaghava Aditya Renukunta dev->hba_map[bus][target].rmw_nexus =
1998c83b11e3SRaghava Aditya Renukunta nexus;
1999c83b11e3SRaghava Aditya Renukunta } else
200059b433c8SRaghava Aditya Renukunta dev->hba_map[bus][target].devtype =
200159b433c8SRaghava Aditya Renukunta AAC_DEVTYPE_ARC_RAW;
2002c83b11e3SRaghava Aditya Renukunta
2003f2d2cabaSRaghava Aditya Renukunta dev->hba_map[bus][target].scan_counter = dev->scan_counter;
2004f2d2cabaSRaghava Aditya Renukunta
20050bcb45fbSRaghava Aditya Renukunta aac_set_safw_target_qd(dev, bus, target);
2006c83b11e3SRaghava Aditya Renukunta }
2007c83b11e3SRaghava Aditya Renukunta }
2008c83b11e3SRaghava Aditya Renukunta
aac_setup_safw_targets(struct aac_dev * dev)200975be67cdSRaghava Aditya Renukunta static int aac_setup_safw_targets(struct aac_dev *dev)
2010fc0fdd9aSRaghava Aditya Renukunta {
20113edfb8b2SRaghava Aditya Renukunta int rcode = 0;
20123edfb8b2SRaghava Aditya Renukunta
20131d1fec53SRaghava Aditya Renukunta rcode = aac_get_containers(dev);
20141d1fec53SRaghava Aditya Renukunta if (unlikely(rcode < 0))
20151d1fec53SRaghava Aditya Renukunta goto out;
20161d1fec53SRaghava Aditya Renukunta
201775be67cdSRaghava Aditya Renukunta rcode = aac_get_safw_ciss_luns(dev);
20183edfb8b2SRaghava Aditya Renukunta if (unlikely(rcode < 0))
20193edfb8b2SRaghava Aditya Renukunta goto out;
20203edfb8b2SRaghava Aditya Renukunta
202175be67cdSRaghava Aditya Renukunta rcode = aac_get_safw_attr_all_targets(dev);
2022e2ee8c94SRaghava Aditya Renukunta if (unlikely(rcode < 0))
2023e2ee8c94SRaghava Aditya Renukunta goto free_ciss_luns;
2024e2ee8c94SRaghava Aditya Renukunta
202575be67cdSRaghava Aditya Renukunta aac_set_safw_attr_all_targets(dev);
20263edfb8b2SRaghava Aditya Renukunta
2027e2ee8c94SRaghava Aditya Renukunta aac_free_safw_all_identify_resp(dev, -1);
2028e2ee8c94SRaghava Aditya Renukunta free_ciss_luns:
20293edfb8b2SRaghava Aditya Renukunta aac_free_safw_ciss_luns(dev);
20303edfb8b2SRaghava Aditya Renukunta out:
20313edfb8b2SRaghava Aditya Renukunta return rcode;
2032fc0fdd9aSRaghava Aditya Renukunta }
2033fc0fdd9aSRaghava Aditya Renukunta
aac_setup_safw_adapter(struct aac_dev * dev)203475be67cdSRaghava Aditya Renukunta int aac_setup_safw_adapter(struct aac_dev *dev)
2035fc0fdd9aSRaghava Aditya Renukunta {
203675be67cdSRaghava Aditya Renukunta return aac_setup_safw_targets(dev);
2037fc0fdd9aSRaghava Aditya Renukunta }
2038fc0fdd9aSRaghava Aditya Renukunta
aac_get_adapter_info(struct aac_dev * dev)20391da177e4SLinus Torvalds int aac_get_adapter_info(struct aac_dev* dev)
20401da177e4SLinus Torvalds {
20411da177e4SLinus Torvalds struct fib* fibptr;
20421da177e4SLinus Torvalds int rcode;
2043c83b11e3SRaghava Aditya Renukunta u32 tmp, bus, target;
20447c00ffa3SMark Haverkamp struct aac_adapter_info *info;
204584971738SMark Haverkamp struct aac_bus_info *command;
204684971738SMark Haverkamp struct aac_bus_info_response *bus_info;
20477c00ffa3SMark Haverkamp
2048bfb35aa8SMark Haverkamp if (!(fibptr = aac_fib_alloc(dev)))
20491da177e4SLinus Torvalds return -ENOMEM;
20501da177e4SLinus Torvalds
2051bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
20521da177e4SLinus Torvalds info = (struct aac_adapter_info *) fib_data(fibptr);
20537c00ffa3SMark Haverkamp memset(info,0,sizeof(*info));
20541da177e4SLinus Torvalds
2055bfb35aa8SMark Haverkamp rcode = aac_fib_send(RequestAdapterInfo,
20561da177e4SLinus Torvalds fibptr,
20577c00ffa3SMark Haverkamp sizeof(*info),
20581da177e4SLinus Torvalds FsaNormal,
20599203344cSMark Haverkamp -1, 1, /* First `interrupt' command uses special wait */
20601da177e4SLinus Torvalds NULL,
20611da177e4SLinus Torvalds NULL);
20621da177e4SLinus Torvalds
20637c00ffa3SMark Haverkamp if (rcode < 0) {
2064cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after
2065cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech * getting the response from the F/W */
2066cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode != -ERESTARTSYS) {
2067bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
2068bfb35aa8SMark Haverkamp aac_fib_free(fibptr);
2069cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech }
20707c00ffa3SMark Haverkamp return rcode;
20717c00ffa3SMark Haverkamp }
20727c00ffa3SMark Haverkamp memcpy(&dev->adapter_info, info, sizeof(*info));
20737c00ffa3SMark Haverkamp
20741c68856eSRaghava Aditya Renukunta dev->supplement_adapter_info.virt_device_bus = 0xffff;
20757c00ffa3SMark Haverkamp if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
207606a43d17SSalyzyn, Mark struct aac_supplement_adapter_info * sinfo;
20777c00ffa3SMark Haverkamp
2078bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
20797c00ffa3SMark Haverkamp
208006a43d17SSalyzyn, Mark sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
20817c00ffa3SMark Haverkamp
208206a43d17SSalyzyn, Mark memset(sinfo,0,sizeof(*sinfo));
20837c00ffa3SMark Haverkamp
2084bfb35aa8SMark Haverkamp rcode = aac_fib_send(RequestSupplementAdapterInfo,
20857c00ffa3SMark Haverkamp fibptr,
208606a43d17SSalyzyn, Mark sizeof(*sinfo),
20877c00ffa3SMark Haverkamp FsaNormal,
20887c00ffa3SMark Haverkamp 1, 1,
20897c00ffa3SMark Haverkamp NULL,
20907c00ffa3SMark Haverkamp NULL);
20917c00ffa3SMark Haverkamp
20927c00ffa3SMark Haverkamp if (rcode >= 0)
209306a43d17SSalyzyn, Mark memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
2094cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode == -ERESTARTSYS) {
2095cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech fibptr = aac_fib_alloc(dev);
2096cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (!fibptr)
2097cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech return -ENOMEM;
2098cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech }
2099cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech
21007c00ffa3SMark Haverkamp }
21011da177e4SLinus Torvalds
2102c83b11e3SRaghava Aditya Renukunta /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
2103c83b11e3SRaghava Aditya Renukunta for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
210471a91ca4SRaghava Aditya Renukunta for (target = 0; target < AAC_MAX_TARGETS; target++) {
2105c83b11e3SRaghava Aditya Renukunta dev->hba_map[bus][target].devtype = 0;
210671a91ca4SRaghava Aditya Renukunta dev->hba_map[bus][target].qd_limit = 0;
210771a91ca4SRaghava Aditya Renukunta }
2108c83b11e3SRaghava Aditya Renukunta }
210984971738SMark Haverkamp
211084971738SMark Haverkamp /*
211184971738SMark Haverkamp * GetBusInfo
211284971738SMark Haverkamp */
211384971738SMark Haverkamp
2114bfb35aa8SMark Haverkamp aac_fib_init(fibptr);
211584971738SMark Haverkamp
211684971738SMark Haverkamp bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
211784971738SMark Haverkamp
211884971738SMark Haverkamp memset(bus_info, 0, sizeof(*bus_info));
211984971738SMark Haverkamp
212084971738SMark Haverkamp command = (struct aac_bus_info *)bus_info;
212184971738SMark Haverkamp
212284971738SMark Haverkamp command->Command = cpu_to_le32(VM_Ioctl);
212384971738SMark Haverkamp command->ObjType = cpu_to_le32(FT_DRIVE);
212484971738SMark Haverkamp command->MethodId = cpu_to_le32(1);
212584971738SMark Haverkamp command->CtlCmd = cpu_to_le32(GetBusInfo);
212684971738SMark Haverkamp
2127bfb35aa8SMark Haverkamp rcode = aac_fib_send(ContainerCommand,
212884971738SMark Haverkamp fibptr,
212984971738SMark Haverkamp sizeof (*bus_info),
213084971738SMark Haverkamp FsaNormal,
213184971738SMark Haverkamp 1, 1,
213284971738SMark Haverkamp NULL, NULL);
213384971738SMark Haverkamp
213494cf6ba1SSalyzyn, Mark /* reasoned default */
213594cf6ba1SSalyzyn, Mark dev->maximum_num_physicals = 16;
213684971738SMark Haverkamp if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
213784971738SMark Haverkamp dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
213884971738SMark Haverkamp dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
213984971738SMark Haverkamp }
214084971738SMark Haverkamp
21418c867b25SMark Haverkamp if (!dev->in_reset) {
214224f02e1dSSalyzyn, Mark char buffer[16];
21431da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.kernelrev);
21447c00ffa3SMark Haverkamp printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
21451da177e4SLinus Torvalds dev->name,
21461da177e4SLinus Torvalds dev->id,
21471da177e4SLinus Torvalds tmp>>24,
21481da177e4SLinus Torvalds (tmp>>16)&0xff,
21491da177e4SLinus Torvalds tmp&0xff,
21507c00ffa3SMark Haverkamp le32_to_cpu(dev->adapter_info.kernelbuild),
21511c68856eSRaghava Aditya Renukunta (int)sizeof(dev->supplement_adapter_info.build_date),
21521c68856eSRaghava Aditya Renukunta dev->supplement_adapter_info.build_date);
21531da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.monitorrev);
21541da177e4SLinus Torvalds printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
21551da177e4SLinus Torvalds dev->name, dev->id,
21561da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff,
21571da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.monitorbuild));
21581da177e4SLinus Torvalds tmp = le32_to_cpu(dev->adapter_info.biosrev);
21591da177e4SLinus Torvalds printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
21601da177e4SLinus Torvalds dev->name, dev->id,
21611da177e4SLinus Torvalds tmp>>24,(tmp>>16)&0xff,tmp&0xff,
21621da177e4SLinus Torvalds le32_to_cpu(dev->adapter_info.biosbuild));
216324f02e1dSSalyzyn, Mark buffer[0] = '\0';
2164ee959b00STony Jones if (aac_get_serial_number(
216524f02e1dSSalyzyn, Mark shost_to_class(dev->scsi_host_ptr), buffer))
216624f02e1dSSalyzyn, Mark printk(KERN_INFO "%s%d: serial %s",
216724f02e1dSSalyzyn, Mark dev->name, dev->id, buffer);
21681c68856eSRaghava Aditya Renukunta if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2169a45c863fSSalyzyn, Mark printk(KERN_INFO "%s%d: TSID %.*s\n",
2170a45c863fSSalyzyn, Mark dev->name, dev->id,
21711c68856eSRaghava Aditya Renukunta (int)sizeof(dev->supplement_adapter_info
21721c68856eSRaghava Aditya Renukunta .vpd_info.tsid),
21731c68856eSRaghava Aditya Renukunta dev->supplement_adapter_info.vpd_info.tsid);
2174a45c863fSSalyzyn, Mark }
21752f7ecc55SSalyzyn, Mark if (!aac_check_reset || ((aac_check_reset == 1) &&
21761c68856eSRaghava Aditya Renukunta (dev->supplement_adapter_info.supported_options2 &
2177a3940da5SSalyzyn, Mark AAC_OPTION_IGNORE_RESET))) {
217829c97684SSalyzyn, Mark printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
217929c97684SSalyzyn, Mark dev->name, dev->id);
218029c97684SSalyzyn, Mark }
21818c867b25SMark Haverkamp }
21821da177e4SLinus Torvalds
218395e852e1SSalyzyn, Mark dev->cache_protected = 0;
21841c68856eSRaghava Aditya Renukunta dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2185cb1042f2SSalyzyn, Mark AAC_FEATURE_JBOD) != 0);
21861da177e4SLinus Torvalds dev->nondasd_support = 0;
21871da177e4SLinus Torvalds dev->raid_scsi_mode = 0;
218895e852e1SSalyzyn, Mark if(dev->adapter_info.options & AAC_OPT_NONDASD)
21891da177e4SLinus Torvalds dev->nondasd_support = 1;
21901da177e4SLinus Torvalds
21911da177e4SLinus Torvalds /*
21921da177e4SLinus Torvalds * If the firmware supports ROMB RAID/SCSI mode and we are currently
21931da177e4SLinus Torvalds * in RAID/SCSI mode, set the flag. For now if in this mode we will
21941da177e4SLinus Torvalds * force nondasd support on. If we decide to allow the non-dasd flag
21951da177e4SLinus Torvalds * additional changes changes will have to be made to support
21961da177e4SLinus Torvalds * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
21971da177e4SLinus Torvalds * changed to support the new dev->raid_scsi_mode flag instead of
21981da177e4SLinus Torvalds * leaching off of the dev->nondasd_support flag. Also in linit.c the
21991da177e4SLinus Torvalds * function aac_detect will have to be modified where it sets up the
22001da177e4SLinus Torvalds * max number of channels based on the aac->nondasd_support flag only.
22011da177e4SLinus Torvalds */
22021da177e4SLinus Torvalds if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
22031da177e4SLinus Torvalds (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
22041da177e4SLinus Torvalds dev->nondasd_support = 1;
22051da177e4SLinus Torvalds dev->raid_scsi_mode = 1;
22061da177e4SLinus Torvalds }
22071da177e4SLinus Torvalds if (dev->raid_scsi_mode != 0)
22081da177e4SLinus Torvalds printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
22091da177e4SLinus Torvalds dev->name, dev->id);
22101da177e4SLinus Torvalds
221195e852e1SSalyzyn, Mark if (nondasd != -1)
22121da177e4SLinus Torvalds dev->nondasd_support = (nondasd!=0);
22132f7ecc55SSalyzyn, Mark if (dev->nondasd_support && !dev->in_reset)
22141da177e4SLinus Torvalds printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
22151da177e4SLinus Torvalds
2216e930438cSYang Hongyang if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2217d8e96507SLeubner, Achim dev->needs_dac = 1;
22181da177e4SLinus Torvalds dev->dac_support = 0;
2219d8e96507SLeubner, Achim if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2220d8e96507SLeubner, Achim (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
22212f7ecc55SSalyzyn, Mark if (!dev->in_reset)
22222f7ecc55SSalyzyn, Mark printk(KERN_INFO "%s%d: 64bit support enabled.\n",
22232f7ecc55SSalyzyn, Mark dev->name, dev->id);
22241da177e4SLinus Torvalds dev->dac_support = 1;
22251da177e4SLinus Torvalds }
22261da177e4SLinus Torvalds
22271da177e4SLinus Torvalds if(dacmode != -1) {
22281da177e4SLinus Torvalds dev->dac_support = (dacmode!=0);
22291da177e4SLinus Torvalds }
2230d8e96507SLeubner, Achim
2231d8e96507SLeubner, Achim /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2232d8e96507SLeubner, Achim if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2233d8e96507SLeubner, Achim & AAC_QUIRK_SCSI_32)) {
2234d8e96507SLeubner, Achim dev->nondasd_support = 0;
2235d8e96507SLeubner, Achim dev->jbod = 0;
2236d8e96507SLeubner, Achim expose_physicals = 0;
2237d8e96507SLeubner, Achim }
2238d8e96507SLeubner, Achim
22398105d39dSRaghava Aditya Renukunta if (dev->dac_support) {
2240e555cd5fSSuraj Upadhyay if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) {
22412f7ecc55SSalyzyn, Mark if (!dev->in_reset)
22428105d39dSRaghava Aditya Renukunta dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2243e555cd5fSSuraj Upadhyay } else if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(32))) {
22448105d39dSRaghava Aditya Renukunta dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
22451da177e4SLinus Torvalds dev->dac_support = 0;
22461da177e4SLinus Torvalds } else {
22478105d39dSRaghava Aditya Renukunta dev_info(&dev->pdev->dev, "No suitable DMA available\n");
22481da177e4SLinus Torvalds rcode = -ENOMEM;
22491da177e4SLinus Torvalds }
22501da177e4SLinus Torvalds }
22517c00ffa3SMark Haverkamp /*
2252e8f32de5SMark Haverkamp * Deal with configuring for the individualized limits of each packet
2253e8f32de5SMark Haverkamp * interface.
22547c00ffa3SMark Haverkamp */
2255e8f32de5SMark Haverkamp dev->a_ops.adapter_scsi = (dev->dac_support)
225694cf6ba1SSalyzyn, Mark ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
225794cf6ba1SSalyzyn, Mark ? aac_scsi_32_64
225894cf6ba1SSalyzyn, Mark : aac_scsi_64)
2259e8f32de5SMark Haverkamp : aac_scsi_32;
2260e8f32de5SMark Haverkamp if (dev->raw_io_interface) {
2261e8f32de5SMark Haverkamp dev->a_ops.adapter_bounds = (dev->raw_io_64)
2262e8f32de5SMark Haverkamp ? aac_bounds_64
2263e8f32de5SMark Haverkamp : aac_bounds_32;
2264e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_raw_io;
2265e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_raw_io;
2266e8f32de5SMark Haverkamp } else {
2267e8f32de5SMark Haverkamp dev->a_ops.adapter_bounds = aac_bounds_32;
22687c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
22697c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) -
227063a70eeaSMark Haverkamp sizeof(struct aac_write) + sizeof(struct sgentry)) /
227163a70eeaSMark Haverkamp sizeof(struct sgentry);
22727c00ffa3SMark Haverkamp if (dev->dac_support) {
2273e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_block64;
2274e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_block64;
22757c00ffa3SMark Haverkamp /*
22767c00ffa3SMark Haverkamp * 38 scatter gather elements
22777c00ffa3SMark Haverkamp */
22787c00ffa3SMark Haverkamp dev->scsi_host_ptr->sg_tablesize =
22797c00ffa3SMark Haverkamp (dev->max_fib_size -
22807c00ffa3SMark Haverkamp sizeof(struct aac_fibhdr) -
22817c00ffa3SMark Haverkamp sizeof(struct aac_write64) +
228263a70eeaSMark Haverkamp sizeof(struct sgentry64)) /
228363a70eeaSMark Haverkamp sizeof(struct sgentry64);
2284e8f32de5SMark Haverkamp } else {
2285e8f32de5SMark Haverkamp dev->a_ops.adapter_read = aac_read_block;
2286e8f32de5SMark Haverkamp dev->a_ops.adapter_write = aac_write_block;
22877c00ffa3SMark Haverkamp }
22887c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
22897c00ffa3SMark Haverkamp if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
22907c00ffa3SMark Haverkamp /*
22917c00ffa3SMark Haverkamp * Worst case size that could cause sg overflow when
22927c00ffa3SMark Haverkamp * we break up SG elements that are larger than 64KB.
22937c00ffa3SMark Haverkamp * Would be nice if we could tell the SCSI layer what
22947c00ffa3SMark Haverkamp * the maximum SG element size can be. Worst case is
22957c00ffa3SMark Haverkamp * (sg_tablesize-1) 4KB elements with one 64KB
22967c00ffa3SMark Haverkamp * element.
22977c00ffa3SMark Haverkamp * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
22987c00ffa3SMark Haverkamp */
22997c00ffa3SMark Haverkamp dev->scsi_host_ptr->max_sectors =
23007c00ffa3SMark Haverkamp (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
23017c00ffa3SMark Haverkamp }
23020e68c003SMark Haverkamp }
2303ab5d129fSRaghava Aditya Renukunta if (!dev->sync_mode && dev->sa_firmware &&
2304ab5d129fSRaghava Aditya Renukunta dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2305ab5d129fSRaghava Aditya Renukunta dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2306ab5d129fSRaghava Aditya Renukunta HBA_MAX_SG_SEPARATE;
2307ab5d129fSRaghava Aditya Renukunta
2308cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech /* FIB should be freed only after getting the response from the F/W */
2309cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech if (rcode != -ERESTARTSYS) {
2310bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
2311bfb35aa8SMark Haverkamp aac_fib_free(fibptr);
2312cacb6dc3SPenchala Narasimha Reddy Chilakala, ERS-HCLTech }
23131da177e4SLinus Torvalds
23141da177e4SLinus Torvalds return rcode;
23151da177e4SLinus Torvalds }
23161da177e4SLinus Torvalds
23171da177e4SLinus Torvalds
io_callback(void * context,struct fib * fibptr)2318e53cb35aSMark Haverkamp static void io_callback(void *context, struct fib * fibptr)
23191da177e4SLinus Torvalds {
23201da177e4SLinus Torvalds struct aac_dev *dev;
23211da177e4SLinus Torvalds struct aac_read_reply *readreply;
23221da177e4SLinus Torvalds struct scsi_cmnd *scsicmd;
23231da177e4SLinus Torvalds u32 cid;
23241da177e4SLinus Torvalds
23251da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context;
23261da177e4SLinus Torvalds
232703d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr))
232803d44337SMark Haverkamp return;
232903d44337SMark Haverkamp
23301a655040SSalyzyn, Mark dev = fibptr->dev;
2331e5718774SMark Haverkamp cid = scmd_id(scsicmd);
23321da177e4SLinus Torvalds
23337a8cf29dSMark Haverkamp if (nblank(dprintk(x))) {
23347a8cf29dSMark Haverkamp u64 lba;
23357a8cf29dSMark Haverkamp switch (scsicmd->cmnd[0]) {
23367a8cf29dSMark Haverkamp case WRITE_6:
23377a8cf29dSMark Haverkamp case READ_6:
23387a8cf29dSMark Haverkamp lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
23397a8cf29dSMark Haverkamp (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
23407a8cf29dSMark Haverkamp break;
23417a8cf29dSMark Haverkamp case WRITE_16:
23427a8cf29dSMark Haverkamp case READ_16:
23437a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) |
23447a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) |
23457a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) |
23467a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) |
23477a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) |
23487a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) |
23497a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
23507a8cf29dSMark Haverkamp break;
23517a8cf29dSMark Haverkamp case WRITE_12:
23527a8cf29dSMark Haverkamp case READ_12:
23537a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) |
23547a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) |
23557a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
23567a8cf29dSMark Haverkamp break;
23577a8cf29dSMark Haverkamp default:
23587a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) |
23597a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) |
23607a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
23617a8cf29dSMark Haverkamp break;
23627a8cf29dSMark Haverkamp }
23637a8cf29dSMark Haverkamp printk(KERN_DEBUG
23647a8cf29dSMark Haverkamp "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
23657a8cf29dSMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies);
23667a8cf29dSMark Haverkamp }
23671da177e4SLinus Torvalds
2368125e1874SEric Sesterhenn BUG_ON(fibptr == NULL);
23691da177e4SLinus Torvalds
2370727eead6SFUJITA Tomonori scsi_dma_unmap(scsicmd);
2371727eead6SFUJITA Tomonori
23721da177e4SLinus Torvalds readreply = (struct aac_read_reply *)fib_data(fibptr);
2373655d722cSMark Salyzyn switch (le32_to_cpu(readreply->status)) {
2374655d722cSMark Salyzyn case ST_OK:
2375cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2376655d722cSMark Salyzyn dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2377655d722cSMark Salyzyn break;
2378655d722cSMark Salyzyn case ST_NOT_READY:
2379cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2380655d722cSMark Salyzyn set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2381655d722cSMark Salyzyn SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2382655d722cSMark Salyzyn memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2383655d722cSMark Salyzyn min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2384655d722cSMark Salyzyn SCSI_SENSE_BUFFERSIZE));
2385655d722cSMark Salyzyn break;
2386f956a669SRaghava Aditya Renukunta case ST_MEDERR:
2387cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2388f956a669SRaghava Aditya Renukunta set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2389f956a669SRaghava Aditya Renukunta SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2390f956a669SRaghava Aditya Renukunta memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2391f956a669SRaghava Aditya Renukunta min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2392f956a669SRaghava Aditya Renukunta SCSI_SENSE_BUFFERSIZE));
2393f956a669SRaghava Aditya Renukunta break;
2394655d722cSMark Salyzyn default:
23957c00ffa3SMark Haverkamp #ifdef AAC_DETAILED_STATUS_INFO
2396e53cb35aSMark Haverkamp printk(KERN_WARNING "io_callback: io failed, status = %d\n",
23971da177e4SLinus Torvalds le32_to_cpu(readreply->status));
23987c00ffa3SMark Haverkamp #endif
2399cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
24008e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
24018e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
24028e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
24031da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
24043ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
24053ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE));
2406655d722cSMark Salyzyn break;
24071da177e4SLinus Torvalds }
2408bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
24091da177e4SLinus Torvalds
24101dec65e3SBart Van Assche aac_scsi_done(scsicmd);
24111da177e4SLinus Torvalds }
24121da177e4SLinus Torvalds
aac_read(struct scsi_cmnd * scsicmd)24139e7c349cSMark Haverkamp static int aac_read(struct scsi_cmnd * scsicmd)
24141da177e4SLinus Torvalds {
24157a8cf29dSMark Haverkamp u64 lba;
24161da177e4SLinus Torvalds u32 count;
24171da177e4SLinus Torvalds int status;
24181da177e4SLinus Torvalds struct aac_dev *dev;
24191da177e4SLinus Torvalds struct fib * cmd_fibcontext;
2420da3cc679SRajashekhara, Mahesh int cid;
24211da177e4SLinus Torvalds
24221da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata;
24231da177e4SLinus Torvalds /*
24241da177e4SLinus Torvalds * Get block address and transfer length
24251da177e4SLinus Torvalds */
24267a8cf29dSMark Haverkamp switch (scsicmd->cmnd[0]) {
24277a8cf29dSMark Haverkamp case READ_6:
24289e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
24291da177e4SLinus Torvalds
24307a8cf29dSMark Haverkamp lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
24317a8cf29dSMark Haverkamp (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
24321da177e4SLinus Torvalds count = scsicmd->cmnd[4];
24331da177e4SLinus Torvalds
24341da177e4SLinus Torvalds if (count == 0)
24351da177e4SLinus Torvalds count = 256;
24367a8cf29dSMark Haverkamp break;
24377a8cf29dSMark Haverkamp case READ_16:
24389e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
24397a8cf29dSMark Haverkamp
24407a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) |
24417a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) |
24427a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) |
24437a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) |
24447a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) |
24457a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) |
24467a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
24477a8cf29dSMark Haverkamp count = (scsicmd->cmnd[10] << 24) |
24487a8cf29dSMark Haverkamp (scsicmd->cmnd[11] << 16) |
24497a8cf29dSMark Haverkamp (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
24507a8cf29dSMark Haverkamp break;
24517a8cf29dSMark Haverkamp case READ_12:
24529e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
24537a8cf29dSMark Haverkamp
24547a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) |
24557a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) |
24567a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
24577a8cf29dSMark Haverkamp count = (scsicmd->cmnd[6] << 24) |
24587a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) |
24597a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
24607a8cf29dSMark Haverkamp break;
24617a8cf29dSMark Haverkamp default:
24629e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
24631da177e4SLinus Torvalds
24647a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) |
24657a8cf29dSMark Haverkamp (scsicmd->cmnd[3] << 16) |
24667a8cf29dSMark Haverkamp (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
24671da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
24687a8cf29dSMark Haverkamp break;
24691da177e4SLinus Torvalds }
2470da3cc679SRajashekhara, Mahesh
2471da3cc679SRajashekhara, Mahesh if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2472da3cc679SRajashekhara, Mahesh cid = scmd_id(scsicmd);
2473da3cc679SRajashekhara, Mahesh dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2474cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2475da3cc679SRajashekhara, Mahesh set_sense(&dev->fsa_dev[cid].sense_data,
2476c86fbe48SBalsundar P ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2477da3cc679SRajashekhara, Mahesh ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2478da3cc679SRajashekhara, Mahesh memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2479da3cc679SRajashekhara, Mahesh min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2480da3cc679SRajashekhara, Mahesh SCSI_SENSE_BUFFERSIZE));
24811dec65e3SBart Van Assche aac_scsi_done(scsicmd);
2482c86fbe48SBalsundar P return 0;
2483da3cc679SRajashekhara, Mahesh }
2484da3cc679SRajashekhara, Mahesh
24857a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
24867c00ffa3SMark Haverkamp smp_processor_id(), (unsigned long long)lba, jiffies));
2487e8f32de5SMark Haverkamp if (aac_adapter_bounds(dev,scsicmd,lba))
24887a8cf29dSMark Haverkamp return 0;
24891da177e4SLinus Torvalds /*
24901da177e4SLinus Torvalds * Alocate and initialize a Fib
24911da177e4SLinus Torvalds */
24926bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
249376a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2494e8f32de5SMark Haverkamp status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
24951da177e4SLinus Torvalds
24961da177e4SLinus Torvalds /*
24971da177e4SLinus Torvalds * Check that the command queued to the controller
24981da177e4SLinus Torvalds */
24991ae948faSBrian King if (status == -EINPROGRESS)
25001da177e4SLinus Torvalds return 0;
25011da177e4SLinus Torvalds
2502bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
25031da177e4SLinus Torvalds /*
25041da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL
25051da177e4SLinus Torvalds */
2506cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
25071dec65e3SBart Van Assche aac_scsi_done(scsicmd);
2508bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext);
2509bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext);
25101da177e4SLinus Torvalds return 0;
25111da177e4SLinus Torvalds }
25121da177e4SLinus Torvalds
aac_write(struct scsi_cmnd * scsicmd)25139e7c349cSMark Haverkamp static int aac_write(struct scsi_cmnd * scsicmd)
25141da177e4SLinus Torvalds {
25157a8cf29dSMark Haverkamp u64 lba;
25161da177e4SLinus Torvalds u32 count;
25179d399cc7SSalyzyn, Mark int fua;
25181da177e4SLinus Torvalds int status;
25191da177e4SLinus Torvalds struct aac_dev *dev;
25201da177e4SLinus Torvalds struct fib * cmd_fibcontext;
2521da3cc679SRajashekhara, Mahesh int cid;
25221da177e4SLinus Torvalds
25231da177e4SLinus Torvalds dev = (struct aac_dev *)scsicmd->device->host->hostdata;
25241da177e4SLinus Torvalds /*
25251da177e4SLinus Torvalds * Get block address and transfer length
25261da177e4SLinus Torvalds */
25271da177e4SLinus Torvalds if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
25281da177e4SLinus Torvalds {
25291da177e4SLinus Torvalds lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
25301da177e4SLinus Torvalds count = scsicmd->cmnd[4];
25311da177e4SLinus Torvalds if (count == 0)
25321da177e4SLinus Torvalds count = 256;
25339d399cc7SSalyzyn, Mark fua = 0;
25347a8cf29dSMark Haverkamp } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
25359e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
25367a8cf29dSMark Haverkamp
25377a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 56) |
25387a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[3] << 48) |
25397a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[4] << 40) |
25407a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[5] << 32) |
25417a8cf29dSMark Haverkamp ((u64)scsicmd->cmnd[6] << 24) |
25427a8cf29dSMark Haverkamp (scsicmd->cmnd[7] << 16) |
25437a8cf29dSMark Haverkamp (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
25447a8cf29dSMark Haverkamp count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
25457a8cf29dSMark Haverkamp (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
25469d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8;
25477a8cf29dSMark Haverkamp } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
25489e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
25497a8cf29dSMark Haverkamp
25507a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
25517a8cf29dSMark Haverkamp | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
25527a8cf29dSMark Haverkamp count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
25537a8cf29dSMark Haverkamp | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
25549d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8;
25551da177e4SLinus Torvalds } else {
25569e7c349cSMark Haverkamp dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
25577a8cf29dSMark Haverkamp lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
25581da177e4SLinus Torvalds count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
25599d399cc7SSalyzyn, Mark fua = scsicmd->cmnd[1] & 0x8;
25601da177e4SLinus Torvalds }
2561da3cc679SRajashekhara, Mahesh
2562da3cc679SRajashekhara, Mahesh if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2563da3cc679SRajashekhara, Mahesh cid = scmd_id(scsicmd);
2564da3cc679SRajashekhara, Mahesh dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2565cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2566da3cc679SRajashekhara, Mahesh set_sense(&dev->fsa_dev[cid].sense_data,
2567c86fbe48SBalsundar P ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2568da3cc679SRajashekhara, Mahesh ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2569da3cc679SRajashekhara, Mahesh memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2570da3cc679SRajashekhara, Mahesh min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2571da3cc679SRajashekhara, Mahesh SCSI_SENSE_BUFFERSIZE));
25721dec65e3SBart Van Assche aac_scsi_done(scsicmd);
2573c86fbe48SBalsundar P return 0;
2574da3cc679SRajashekhara, Mahesh }
2575da3cc679SRajashekhara, Mahesh
25767a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
25771da177e4SLinus Torvalds smp_processor_id(), (unsigned long long)lba, jiffies));
2578e8f32de5SMark Haverkamp if (aac_adapter_bounds(dev,scsicmd,lba))
25797a8cf29dSMark Haverkamp return 0;
25801da177e4SLinus Torvalds /*
25811da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command
25821da177e4SLinus Torvalds */
25836bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
258476a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
25859d399cc7SSalyzyn, Mark status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
25861da177e4SLinus Torvalds
25871da177e4SLinus Torvalds /*
25881da177e4SLinus Torvalds * Check that the command queued to the controller
25891da177e4SLinus Torvalds */
25901ae948faSBrian King if (status == -EINPROGRESS)
25911da177e4SLinus Torvalds return 0;
25921da177e4SLinus Torvalds
2593bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
25941da177e4SLinus Torvalds /*
25951da177e4SLinus Torvalds * For some reason, the Fib didn't queue, return QUEUE_FULL
25961da177e4SLinus Torvalds */
2597cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
25981dec65e3SBart Van Assche aac_scsi_done(scsicmd);
25991da177e4SLinus Torvalds
2600bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext);
2601bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext);
26021da177e4SLinus Torvalds return 0;
26031da177e4SLinus Torvalds }
26041da177e4SLinus Torvalds
synchronize_callback(void * context,struct fib * fibptr)26051da177e4SLinus Torvalds static void synchronize_callback(void *context, struct fib *fibptr)
26061da177e4SLinus Torvalds {
26071da177e4SLinus Torvalds struct aac_synchronize_reply *synchronizereply;
26082c644b1dSHannes Reinecke struct scsi_cmnd *cmd = context;
26091da177e4SLinus Torvalds
261003d44337SMark Haverkamp if (!aac_valid_context(cmd, fibptr))
261103d44337SMark Haverkamp return;
261203d44337SMark Haverkamp
26131da177e4SLinus Torvalds dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
26141da177e4SLinus Torvalds smp_processor_id(), jiffies));
26151da177e4SLinus Torvalds BUG_ON(fibptr == NULL);
26161da177e4SLinus Torvalds
26171da177e4SLinus Torvalds
26181da177e4SLinus Torvalds synchronizereply = fib_data(fibptr);
26191da177e4SLinus Torvalds if (le32_to_cpu(synchronizereply->status) == CT_OK)
2620cdec16c1SHannes Reinecke cmd->result = DID_OK << 16 | SAM_STAT_GOOD;
26211da177e4SLinus Torvalds else {
26221da177e4SLinus Torvalds struct scsi_device *sdev = cmd->device;
26231a655040SSalyzyn, Mark struct aac_dev *dev = fibptr->dev;
2624e5718774SMark Haverkamp u32 cid = sdev_id(sdev);
26251da177e4SLinus Torvalds printk(KERN_WARNING
26261da177e4SLinus Torvalds "synchronize_callback: synchronize failed, status = %d\n",
26271da177e4SLinus Torvalds le32_to_cpu(synchronizereply->status));
2628cdec16c1SHannes Reinecke cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
26298e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
26308e31e607SSalyzyn, Mark HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
26318e31e607SSalyzyn, Mark ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
26321da177e4SLinus Torvalds memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2633b80ca4f7SFUJITA Tomonori min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2634b80ca4f7SFUJITA Tomonori SCSI_SENSE_BUFFERSIZE));
26351da177e4SLinus Torvalds }
26361da177e4SLinus Torvalds
2637bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
2638bfb35aa8SMark Haverkamp aac_fib_free(fibptr);
26391dec65e3SBart Van Assche aac_scsi_done(cmd);
26401da177e4SLinus Torvalds }
26411da177e4SLinus Torvalds
aac_synchronize(struct scsi_cmnd * scsicmd)26429e7c349cSMark Haverkamp static int aac_synchronize(struct scsi_cmnd *scsicmd)
26431da177e4SLinus Torvalds {
26441da177e4SLinus Torvalds int status;
26451da177e4SLinus Torvalds struct fib *cmd_fibcontext;
26461da177e4SLinus Torvalds struct aac_synchronize *synchronizecmd;
26471da177e4SLinus Torvalds struct scsi_device *sdev = scsicmd->device;
264890ee3466SMark Haverkamp struct aac_dev *aac;
26491da177e4SLinus Torvalds
2650f858317dSSalyzyn, Mark aac = (struct aac_dev *)sdev->host->hostdata;
26518c867b25SMark Haverkamp if (aac->in_reset)
26528c867b25SMark Haverkamp return SCSI_MLQUEUE_HOST_BUSY;
26538c867b25SMark Haverkamp
26541da177e4SLinus Torvalds /*
26557c00ffa3SMark Haverkamp * Allocate and initialize a Fib
26561da177e4SLinus Torvalds */
26572c644b1dSHannes Reinecke cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
26581da177e4SLinus Torvalds
2659bfb35aa8SMark Haverkamp aac_fib_init(cmd_fibcontext);
26601da177e4SLinus Torvalds
26611da177e4SLinus Torvalds synchronizecmd = fib_data(cmd_fibcontext);
26621da177e4SLinus Torvalds synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
26631da177e4SLinus Torvalds synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
26649e7c349cSMark Haverkamp synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
26651da177e4SLinus Torvalds synchronizecmd->count =
26661da177e4SLinus Torvalds cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
266776a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
26681da177e4SLinus Torvalds
26691da177e4SLinus Torvalds /*
26701da177e4SLinus Torvalds * Now send the Fib to the adapter
26711da177e4SLinus Torvalds */
2672bfb35aa8SMark Haverkamp status = aac_fib_send(ContainerCommand,
26731da177e4SLinus Torvalds cmd_fibcontext,
26741da177e4SLinus Torvalds sizeof(struct aac_synchronize),
26751da177e4SLinus Torvalds FsaNormal,
26761da177e4SLinus Torvalds 0, 1,
26771da177e4SLinus Torvalds (fib_callback)synchronize_callback,
26781da177e4SLinus Torvalds (void *)scsicmd);
26791da177e4SLinus Torvalds
26801da177e4SLinus Torvalds /*
26811da177e4SLinus Torvalds * Check that the command queued to the controller
26821da177e4SLinus Torvalds */
26831ae948faSBrian King if (status == -EINPROGRESS)
26841da177e4SLinus Torvalds return 0;
26851da177e4SLinus Torvalds
26861da177e4SLinus Torvalds printk(KERN_WARNING
2687bfb35aa8SMark Haverkamp "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2688bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext);
2689bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext);
26901da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY;
26911da177e4SLinus Torvalds }
26921da177e4SLinus Torvalds
aac_start_stop_callback(void * context,struct fib * fibptr)2693655d722cSMark Salyzyn static void aac_start_stop_callback(void *context, struct fib *fibptr)
2694655d722cSMark Salyzyn {
2695655d722cSMark Salyzyn struct scsi_cmnd *scsicmd = context;
2696655d722cSMark Salyzyn
2697655d722cSMark Salyzyn if (!aac_valid_context(scsicmd, fibptr))
2698655d722cSMark Salyzyn return;
2699655d722cSMark Salyzyn
2700655d722cSMark Salyzyn BUG_ON(fibptr == NULL);
2701655d722cSMark Salyzyn
2702cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2703655d722cSMark Salyzyn
2704655d722cSMark Salyzyn aac_fib_complete(fibptr);
2705655d722cSMark Salyzyn aac_fib_free(fibptr);
27061dec65e3SBart Van Assche aac_scsi_done(scsicmd);
2707655d722cSMark Salyzyn }
2708655d722cSMark Salyzyn
aac_start_stop(struct scsi_cmnd * scsicmd)2709655d722cSMark Salyzyn static int aac_start_stop(struct scsi_cmnd *scsicmd)
2710655d722cSMark Salyzyn {
2711655d722cSMark Salyzyn int status;
2712655d722cSMark Salyzyn struct fib *cmd_fibcontext;
2713655d722cSMark Salyzyn struct aac_power_management *pmcmd;
2714655d722cSMark Salyzyn struct scsi_device *sdev = scsicmd->device;
2715655d722cSMark Salyzyn struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2716655d722cSMark Salyzyn
27171c68856eSRaghava Aditya Renukunta if (!(aac->supplement_adapter_info.supported_options2 &
2718655d722cSMark Salyzyn AAC_OPTION_POWER_MANAGEMENT)) {
2719cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
27201dec65e3SBart Van Assche aac_scsi_done(scsicmd);
2721655d722cSMark Salyzyn return 0;
2722655d722cSMark Salyzyn }
2723655d722cSMark Salyzyn
2724655d722cSMark Salyzyn if (aac->in_reset)
2725655d722cSMark Salyzyn return SCSI_MLQUEUE_HOST_BUSY;
2726655d722cSMark Salyzyn
2727655d722cSMark Salyzyn /*
2728655d722cSMark Salyzyn * Allocate and initialize a Fib
2729655d722cSMark Salyzyn */
27306bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2731655d722cSMark Salyzyn
2732655d722cSMark Salyzyn aac_fib_init(cmd_fibcontext);
2733655d722cSMark Salyzyn
2734655d722cSMark Salyzyn pmcmd = fib_data(cmd_fibcontext);
2735655d722cSMark Salyzyn pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2736655d722cSMark Salyzyn pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2737655d722cSMark Salyzyn /* Eject bit ignored, not relevant */
2738655d722cSMark Salyzyn pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2739655d722cSMark Salyzyn cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2740655d722cSMark Salyzyn pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2741655d722cSMark Salyzyn pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2742655d722cSMark Salyzyn cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
274376a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2744655d722cSMark Salyzyn
2745655d722cSMark Salyzyn /*
2746655d722cSMark Salyzyn * Now send the Fib to the adapter
2747655d722cSMark Salyzyn */
2748655d722cSMark Salyzyn status = aac_fib_send(ContainerCommand,
2749655d722cSMark Salyzyn cmd_fibcontext,
2750655d722cSMark Salyzyn sizeof(struct aac_power_management),
2751655d722cSMark Salyzyn FsaNormal,
2752655d722cSMark Salyzyn 0, 1,
2753655d722cSMark Salyzyn (fib_callback)aac_start_stop_callback,
2754655d722cSMark Salyzyn (void *)scsicmd);
2755655d722cSMark Salyzyn
2756655d722cSMark Salyzyn /*
2757655d722cSMark Salyzyn * Check that the command queued to the controller
2758655d722cSMark Salyzyn */
27591ae948faSBrian King if (status == -EINPROGRESS)
2760655d722cSMark Salyzyn return 0;
2761655d722cSMark Salyzyn
2762655d722cSMark Salyzyn aac_fib_complete(cmd_fibcontext);
2763655d722cSMark Salyzyn aac_fib_free(cmd_fibcontext);
2764655d722cSMark Salyzyn return SCSI_MLQUEUE_HOST_BUSY;
2765655d722cSMark Salyzyn }
2766655d722cSMark Salyzyn
27671da177e4SLinus Torvalds /**
27681da177e4SLinus Torvalds * aac_scsi_cmd() - Process SCSI command
27691da177e4SLinus Torvalds * @scsicmd: SCSI command block
27701da177e4SLinus Torvalds *
27711da177e4SLinus Torvalds * Emulate a SCSI command and queue the required request for the
27721da177e4SLinus Torvalds * aacraid firmware.
27731da177e4SLinus Torvalds */
27741da177e4SLinus Torvalds
aac_scsi_cmd(struct scsi_cmnd * scsicmd)27751da177e4SLinus Torvalds int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
27761da177e4SLinus Torvalds {
2777ab5d129fSRaghava Aditya Renukunta u32 cid, bus;
27781da177e4SLinus Torvalds struct Scsi_Host *host = scsicmd->device->host;
27791da177e4SLinus Torvalds struct aac_dev *dev = (struct aac_dev *)host->hostdata;
27801da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
27811da177e4SLinus Torvalds
278290ee3466SMark Haverkamp if (fsa_dev_ptr == NULL)
278390ee3466SMark Haverkamp return -1;
27841da177e4SLinus Torvalds /*
27851da177e4SLinus Torvalds * If the bus, id or lun is out of range, return fail
27861da177e4SLinus Torvalds * Test does not apply to ID 16, the pseudo id for the controller
27871da177e4SLinus Torvalds * itself.
27881da177e4SLinus Torvalds */
27891a655040SSalyzyn, Mark cid = scmd_id(scsicmd);
27901a655040SSalyzyn, Mark if (cid != host->this_id) {
27911a655040SSalyzyn, Mark if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
27921a655040SSalyzyn, Mark if((cid >= dev->maximum_num_containers) ||
2793e5718774SMark Haverkamp (scsicmd->device->lun != 0)) {
27941da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16;
2795c4e2fbcaSRaghava Aditya Renukunta goto scsi_done_ret;
27961da177e4SLinus Torvalds }
27971da177e4SLinus Torvalds
27981da177e4SLinus Torvalds /*
27991da177e4SLinus Torvalds * If the target container doesn't exist, it may have
28001da177e4SLinus Torvalds * been newly created
28011da177e4SLinus Torvalds */
2802655d722cSMark Salyzyn if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2803655d722cSMark Salyzyn (fsa_dev_ptr[cid].sense_data.sense_key ==
2804655d722cSMark Salyzyn NOT_READY)) {
28051da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) {
2806eb846d9fSHannes Reinecke case SERVICE_ACTION_IN_16:
28077a8cf29dSMark Haverkamp if (!(dev->raw_io_interface) ||
28087a8cf29dSMark Haverkamp !(dev->raw_io_64) ||
28097a8cf29dSMark Haverkamp ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
28107a8cf29dSMark Haverkamp break;
2811df561f66SGustavo A. R. Silva fallthrough;
28121da177e4SLinus Torvalds case INQUIRY:
28131da177e4SLinus Torvalds case READ_CAPACITY:
28141da177e4SLinus Torvalds case TEST_UNIT_READY:
28158c867b25SMark Haverkamp if (dev->in_reset)
28168c867b25SMark Haverkamp return -1;
2817fe76df42SMark Haverkamp return _aac_probe_container(scsicmd,
2818fe76df42SMark Haverkamp aac_probe_container_callback2);
28191da177e4SLinus Torvalds default:
28201da177e4SLinus Torvalds break;
28211da177e4SLinus Torvalds }
28221da177e4SLinus Torvalds }
28231da177e4SLinus Torvalds } else { /* check for physical non-dasd devices */
2824ab5d129fSRaghava Aditya Renukunta bus = aac_logical_to_phys(scmd_channel(scsicmd));
2825ab5d129fSRaghava Aditya Renukunta
2826ab5d129fSRaghava Aditya Renukunta if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2827ab5d129fSRaghava Aditya Renukunta dev->hba_map[bus][cid].devtype
2828ab5d129fSRaghava Aditya Renukunta == AAC_DEVTYPE_NATIVE_RAW) {
2829ab5d129fSRaghava Aditya Renukunta if (dev->in_reset)
2830ab5d129fSRaghava Aditya Renukunta return -1;
2831ab5d129fSRaghava Aditya Renukunta return aac_send_hba_fib(scsicmd);
2832ab5d129fSRaghava Aditya Renukunta } else if (dev->nondasd_support || expose_physicals ||
2833cb1042f2SSalyzyn, Mark dev->jbod) {
28348c867b25SMark Haverkamp if (dev->in_reset)
28358c867b25SMark Haverkamp return -1;
28361da177e4SLinus Torvalds return aac_send_srb_fib(scsicmd);
28371da177e4SLinus Torvalds } else {
28381da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16;
2839c4e2fbcaSRaghava Aditya Renukunta goto scsi_done_ret;
28401da177e4SLinus Torvalds }
28411da177e4SLinus Torvalds }
28421da177e4SLinus Torvalds }
28431da177e4SLinus Torvalds /*
28441da177e4SLinus Torvalds * else Command for the controller itself
28451da177e4SLinus Torvalds */
28461da177e4SLinus Torvalds else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
28471da177e4SLinus Torvalds (scsicmd->cmnd[0] != TEST_UNIT_READY))
28481da177e4SLinus Torvalds {
28491da177e4SLinus Torvalds dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2850cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
28518e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
28528e31e607SSalyzyn, Mark ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
28538e31e607SSalyzyn, Mark ASENCODE_INVALID_COMMAND, 0, 0);
28541da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
28553ace426fSSalyzyn, Mark min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
28563ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE));
2857c4e2fbcaSRaghava Aditya Renukunta goto scsi_done_ret;
28581da177e4SLinus Torvalds }
28591da177e4SLinus Torvalds
28601da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) {
2861c4e2fbcaSRaghava Aditya Renukunta case READ_6:
2862c4e2fbcaSRaghava Aditya Renukunta case READ_10:
2863c4e2fbcaSRaghava Aditya Renukunta case READ_12:
2864c4e2fbcaSRaghava Aditya Renukunta case READ_16:
2865c4e2fbcaSRaghava Aditya Renukunta if (dev->in_reset)
2866c4e2fbcaSRaghava Aditya Renukunta return -1;
2867c4e2fbcaSRaghava Aditya Renukunta return aac_read(scsicmd);
2868c4e2fbcaSRaghava Aditya Renukunta
2869c4e2fbcaSRaghava Aditya Renukunta case WRITE_6:
2870c4e2fbcaSRaghava Aditya Renukunta case WRITE_10:
2871c4e2fbcaSRaghava Aditya Renukunta case WRITE_12:
2872c4e2fbcaSRaghava Aditya Renukunta case WRITE_16:
2873c4e2fbcaSRaghava Aditya Renukunta if (dev->in_reset)
2874c4e2fbcaSRaghava Aditya Renukunta return -1;
2875c4e2fbcaSRaghava Aditya Renukunta return aac_write(scsicmd);
2876c4e2fbcaSRaghava Aditya Renukunta
2877c4e2fbcaSRaghava Aditya Renukunta case SYNCHRONIZE_CACHE:
2878c4e2fbcaSRaghava Aditya Renukunta if (((aac_cache & 6) == 6) && dev->cache_protected) {
2879cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2880c4e2fbcaSRaghava Aditya Renukunta break;
2881c4e2fbcaSRaghava Aditya Renukunta }
2882c4e2fbcaSRaghava Aditya Renukunta /* Issue FIB to tell Firmware to flush it's cache */
2883c4e2fbcaSRaghava Aditya Renukunta if ((aac_cache & 6) != 2)
2884c4e2fbcaSRaghava Aditya Renukunta return aac_synchronize(scsicmd);
2885df561f66SGustavo A. R. Silva fallthrough;
28861da177e4SLinus Torvalds case INQUIRY:
28871da177e4SLinus Torvalds {
28883b2946ccSMark Haverkamp struct inquiry_data inq_data;
28891da177e4SLinus Torvalds
28901a655040SSalyzyn, Mark dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
28913b2946ccSMark Haverkamp memset(&inq_data, 0, sizeof (struct inquiry_data));
28921da177e4SLinus Torvalds
2893d8e96507SLeubner, Achim if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
289488e2f98eSSalyzyn, Mark char *arr = (char *)&inq_data;
289588e2f98eSSalyzyn, Mark
289688e2f98eSSalyzyn, Mark /* EVPD bit set */
289788e2f98eSSalyzyn, Mark arr[0] = (scmd_id(scsicmd) == host->this_id) ?
289888e2f98eSSalyzyn, Mark INQD_PDT_PROC : INQD_PDT_DA;
289988e2f98eSSalyzyn, Mark if (scsicmd->cmnd[2] == 0) {
290088e2f98eSSalyzyn, Mark /* supported vital product data pages */
29015d910649SMahesh Rajashekhara arr[3] = 3;
290288e2f98eSSalyzyn, Mark arr[4] = 0x0;
290388e2f98eSSalyzyn, Mark arr[5] = 0x80;
29045d910649SMahesh Rajashekhara arr[6] = 0x83;
290588e2f98eSSalyzyn, Mark arr[1] = scsicmd->cmnd[2];
2906d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data,
290788e2f98eSSalyzyn, Mark sizeof(inq_data));
2908cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
290988e2f98eSSalyzyn, Mark } else if (scsicmd->cmnd[2] == 0x80) {
291088e2f98eSSalyzyn, Mark /* unit serial number page */
291188e2f98eSSalyzyn, Mark arr[3] = setinqserial(dev, &arr[4],
291288e2f98eSSalyzyn, Mark scmd_id(scsicmd));
291388e2f98eSSalyzyn, Mark arr[1] = scsicmd->cmnd[2];
2914d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data,
291588e2f98eSSalyzyn, Mark sizeof(inq_data));
2916d8e96507SLeubner, Achim if (aac_wwn != 2)
2917d8e96507SLeubner, Achim return aac_get_container_serial(
2918d8e96507SLeubner, Achim scsicmd);
2919cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
29205d910649SMahesh Rajashekhara } else if (scsicmd->cmnd[2] == 0x83) {
29215d910649SMahesh Rajashekhara /* vpd page 0x83 - Device Identification Page */
29225d910649SMahesh Rajashekhara char *sno = (char *)&inq_data;
29235d910649SMahesh Rajashekhara sno[3] = setinqserial(dev, &sno[4],
29245d910649SMahesh Rajashekhara scmd_id(scsicmd));
29255d910649SMahesh Rajashekhara if (aac_wwn != 2)
29265d910649SMahesh Rajashekhara return aac_get_container_serial(
29275d910649SMahesh Rajashekhara scsicmd);
2928cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
292988e2f98eSSalyzyn, Mark } else {
293088e2f98eSSalyzyn, Mark /* vpd page not implemented */
2931cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
29328e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
29338e31e607SSalyzyn, Mark ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
29348e31e607SSalyzyn, Mark ASENCODE_NO_SENSE, 7, 2);
293588e2f98eSSalyzyn, Mark memcpy(scsicmd->sense_buffer,
293688e2f98eSSalyzyn, Mark &dev->fsa_dev[cid].sense_data,
29373ace426fSSalyzyn, Mark min_t(size_t,
29383ace426fSSalyzyn, Mark sizeof(dev->fsa_dev[cid].sense_data),
29393ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE));
294088e2f98eSSalyzyn, Mark }
2941c4e2fbcaSRaghava Aditya Renukunta break;
294288e2f98eSSalyzyn, Mark }
29433b2946ccSMark Haverkamp inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
29443b2946ccSMark 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 */
29453b2946ccSMark Haverkamp inq_data.inqd_len = 31;
29461da177e4SLinus Torvalds /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
29473b2946ccSMark Haverkamp inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
29481da177e4SLinus Torvalds /*
29491da177e4SLinus Torvalds * Set the Vendor, Product, and Revision Level
29501da177e4SLinus Torvalds * see: <vendor>.c i.e. aac.c
29511da177e4SLinus Torvalds */
29521a655040SSalyzyn, Mark if (cid == host->this_id) {
29536391a113STobias Klauser setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
29543b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2955d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2956d4345028SFUJITA Tomonori sizeof(inq_data));
2957cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2958c4e2fbcaSRaghava Aditya Renukunta break;
29591da177e4SLinus Torvalds }
29608c867b25SMark Haverkamp if (dev->in_reset)
29618c867b25SMark Haverkamp return -1;
2962794d0601SMark Haverkamp setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
29633b2946ccSMark Haverkamp inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2964d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
29659e7c349cSMark Haverkamp return aac_get_container_name(scsicmd);
29661da177e4SLinus Torvalds }
2967eb846d9fSHannes Reinecke case SERVICE_ACTION_IN_16:
29687a8cf29dSMark Haverkamp if (!(dev->raw_io_interface) ||
29697a8cf29dSMark Haverkamp !(dev->raw_io_64) ||
29707a8cf29dSMark Haverkamp ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
29717a8cf29dSMark Haverkamp break;
29727a8cf29dSMark Haverkamp {
29737a8cf29dSMark Haverkamp u64 capacity;
297407ce5ebaSMark Haverkamp char cp[13];
2975b271f1c8SFUJITA Tomonori unsigned int alloc_len;
29767a8cf29dSMark Haverkamp
29777a8cf29dSMark Haverkamp dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
29787a8cf29dSMark Haverkamp capacity = fsa_dev_ptr[cid].size - 1;
29797a8cf29dSMark Haverkamp cp[0] = (capacity >> 56) & 0xff;
29807a8cf29dSMark Haverkamp cp[1] = (capacity >> 48) & 0xff;
29817a8cf29dSMark Haverkamp cp[2] = (capacity >> 40) & 0xff;
29827a8cf29dSMark Haverkamp cp[3] = (capacity >> 32) & 0xff;
29837a8cf29dSMark Haverkamp cp[4] = (capacity >> 24) & 0xff;
29847a8cf29dSMark Haverkamp cp[5] = (capacity >> 16) & 0xff;
29857a8cf29dSMark Haverkamp cp[6] = (capacity >> 8) & 0xff;
29867a8cf29dSMark Haverkamp cp[7] = (capacity >> 0) & 0xff;
2987b836439fSMahesh Rajashekhara cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2988b836439fSMahesh Rajashekhara cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2989b836439fSMahesh Rajashekhara cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2990b836439fSMahesh Rajashekhara cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
299107ce5ebaSMark Haverkamp cp[12] = 0;
299207ce5ebaSMark Haverkamp
2993b271f1c8SFUJITA Tomonori alloc_len = ((scsicmd->cmnd[10] << 24)
2994b271f1c8SFUJITA Tomonori + (scsicmd->cmnd[11] << 16)
2995b271f1c8SFUJITA Tomonori + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2996b271f1c8SFUJITA Tomonori
2997b271f1c8SFUJITA Tomonori alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2998d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2999b271f1c8SFUJITA Tomonori if (alloc_len < scsi_bufflen(scsicmd))
3000b271f1c8SFUJITA Tomonori scsi_set_resid(scsicmd,
3001b271f1c8SFUJITA Tomonori scsi_bufflen(scsicmd) - alloc_len);
30027a8cf29dSMark Haverkamp
30037a8cf29dSMark Haverkamp /* Do not cache partition table for arrays */
30047a8cf29dSMark Haverkamp scsicmd->device->removable = 1;
30057a8cf29dSMark Haverkamp
3006cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3007c4e2fbcaSRaghava Aditya Renukunta break;
30087a8cf29dSMark Haverkamp }
30097a8cf29dSMark Haverkamp
30101da177e4SLinus Torvalds case READ_CAPACITY:
30111da177e4SLinus Torvalds {
30121da177e4SLinus Torvalds u32 capacity;
30133b2946ccSMark Haverkamp char cp[8];
30141da177e4SLinus Torvalds
30151da177e4SLinus Torvalds dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
30167a8cf29dSMark Haverkamp if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
30171da177e4SLinus Torvalds capacity = fsa_dev_ptr[cid].size - 1;
30181da177e4SLinus Torvalds else
30191da177e4SLinus Torvalds capacity = (u32)-1;
30203b2946ccSMark Haverkamp
30211da177e4SLinus Torvalds cp[0] = (capacity >> 24) & 0xff;
30221da177e4SLinus Torvalds cp[1] = (capacity >> 16) & 0xff;
30231da177e4SLinus Torvalds cp[2] = (capacity >> 8) & 0xff;
30241da177e4SLinus Torvalds cp[3] = (capacity >> 0) & 0xff;
3025b836439fSMahesh Rajashekhara cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3026b836439fSMahesh Rajashekhara cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3027b836439fSMahesh Rajashekhara cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3028b836439fSMahesh Rajashekhara cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
3029d4345028SFUJITA Tomonori scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
30307a8cf29dSMark Haverkamp /* Do not cache partition table for arrays */
30317a8cf29dSMark Haverkamp scsicmd->device->removable = 1;
3032cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3033c4e2fbcaSRaghava Aditya Renukunta break;
30341da177e4SLinus Torvalds }
30351da177e4SLinus Torvalds
30361da177e4SLinus Torvalds case MODE_SENSE:
30371da177e4SLinus Torvalds {
30389d399cc7SSalyzyn, Mark int mode_buf_length = 4;
3039b836439fSMahesh Rajashekhara u32 capacity;
3040b836439fSMahesh Rajashekhara aac_modep_data mpd;
3041b836439fSMahesh Rajashekhara
3042b836439fSMahesh Rajashekhara if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3043b836439fSMahesh Rajashekhara capacity = fsa_dev_ptr[cid].size - 1;
3044b836439fSMahesh Rajashekhara else
3045b836439fSMahesh Rajashekhara capacity = (u32)-1;
30461da177e4SLinus Torvalds
30471da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE command.\n"));
3048b836439fSMahesh Rajashekhara memset((char *)&mpd, 0, sizeof(aac_modep_data));
3049b836439fSMahesh Rajashekhara
3050b836439fSMahesh Rajashekhara /* Mode data length */
3051b836439fSMahesh Rajashekhara mpd.hd.data_length = sizeof(mpd.hd) - 1;
3052b836439fSMahesh Rajashekhara /* Medium type - default */
3053b836439fSMahesh Rajashekhara mpd.hd.med_type = 0;
3054b836439fSMahesh Rajashekhara /* Device-specific param,
30559d399cc7SSalyzyn, Mark bit 8: 0/1 = write enabled/protected
30569d399cc7SSalyzyn, Mark bit 4: 0/1 = FUA enabled */
3057b836439fSMahesh Rajashekhara mpd.hd.dev_par = 0;
3058b836439fSMahesh Rajashekhara
305995e852e1SSalyzyn, Mark if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3060b836439fSMahesh Rajashekhara mpd.hd.dev_par = 0x10;
3061b836439fSMahesh Rajashekhara if (scsicmd->cmnd[1] & 0x8)
3062b836439fSMahesh Rajashekhara mpd.hd.bd_length = 0; /* Block descriptor length */
3063b836439fSMahesh Rajashekhara else {
3064b836439fSMahesh Rajashekhara mpd.hd.bd_length = sizeof(mpd.bd);
3065b836439fSMahesh Rajashekhara mpd.hd.data_length += mpd.hd.bd_length;
3066b836439fSMahesh Rajashekhara mpd.bd.block_length[0] =
3067b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3068b836439fSMahesh Rajashekhara mpd.bd.block_length[1] =
3069b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3070b836439fSMahesh Rajashekhara mpd.bd.block_length[2] =
3071b836439fSMahesh Rajashekhara fsa_dev_ptr[cid].block_size & 0xff;
30725d910649SMahesh Rajashekhara
30735d910649SMahesh Rajashekhara mpd.mpc_buf[0] = scsicmd->cmnd[2];
30745d910649SMahesh Rajashekhara if (scsicmd->cmnd[2] == 0x1C) {
30755d910649SMahesh Rajashekhara /* page length */
30765d910649SMahesh Rajashekhara mpd.mpc_buf[1] = 0xa;
30775d910649SMahesh Rajashekhara /* Mode data length */
30785d910649SMahesh Rajashekhara mpd.hd.data_length = 23;
30795d910649SMahesh Rajashekhara } else {
30805d910649SMahesh Rajashekhara /* Mode data length */
30815d910649SMahesh Rajashekhara mpd.hd.data_length = 15;
30825d910649SMahesh Rajashekhara }
30835d910649SMahesh Rajashekhara
3084b836439fSMahesh Rajashekhara if (capacity > 0xffffff) {
3085b836439fSMahesh Rajashekhara mpd.bd.block_count[0] = 0xff;
3086b836439fSMahesh Rajashekhara mpd.bd.block_count[1] = 0xff;
3087b836439fSMahesh Rajashekhara mpd.bd.block_count[2] = 0xff;
3088b836439fSMahesh Rajashekhara } else {
3089b836439fSMahesh Rajashekhara mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3090b836439fSMahesh Rajashekhara mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3091b836439fSMahesh Rajashekhara mpd.bd.block_count[2] = capacity & 0xff;
3092b836439fSMahesh Rajashekhara }
3093b836439fSMahesh Rajashekhara }
30949d399cc7SSalyzyn, Mark if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
30959d399cc7SSalyzyn, Mark ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3096b836439fSMahesh Rajashekhara mpd.hd.data_length += 3;
3097b836439fSMahesh Rajashekhara mpd.mpc_buf[0] = 8;
3098b836439fSMahesh Rajashekhara mpd.mpc_buf[1] = 1;
3099b836439fSMahesh Rajashekhara mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
310095e852e1SSalyzyn, Mark ? 0 : 0x04; /* WCE */
3101b836439fSMahesh Rajashekhara mode_buf_length = sizeof(mpd);
31025d910649SMahesh Rajashekhara }
31035d910649SMahesh Rajashekhara
31049d399cc7SSalyzyn, Mark if (mode_buf_length > scsicmd->cmnd[4])
31059d399cc7SSalyzyn, Mark mode_buf_length = scsicmd->cmnd[4];
31065d910649SMahesh Rajashekhara else
31075d910649SMahesh Rajashekhara mode_buf_length = sizeof(mpd);
3108b836439fSMahesh Rajashekhara scsi_sg_copy_from_buffer(scsicmd,
3109b836439fSMahesh Rajashekhara (char *)&mpd,
3110b836439fSMahesh Rajashekhara mode_buf_length);
3111cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3112c4e2fbcaSRaghava Aditya Renukunta break;
31131da177e4SLinus Torvalds }
31141da177e4SLinus Torvalds case MODE_SENSE_10:
31151da177e4SLinus Torvalds {
3116b836439fSMahesh Rajashekhara u32 capacity;
31179d399cc7SSalyzyn, Mark int mode_buf_length = 8;
3118b836439fSMahesh Rajashekhara aac_modep10_data mpd10;
3119b836439fSMahesh Rajashekhara
3120b836439fSMahesh Rajashekhara if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3121b836439fSMahesh Rajashekhara capacity = fsa_dev_ptr[cid].size - 1;
3122b836439fSMahesh Rajashekhara else
3123b836439fSMahesh Rajashekhara capacity = (u32)-1;
31241da177e4SLinus Torvalds
31251da177e4SLinus Torvalds dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3126b836439fSMahesh Rajashekhara memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3127b836439fSMahesh Rajashekhara /* Mode data length (MSB) */
3128b836439fSMahesh Rajashekhara mpd10.hd.data_length[0] = 0;
3129b836439fSMahesh Rajashekhara /* Mode data length (LSB) */
3130b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3131b836439fSMahesh Rajashekhara /* Medium type - default */
3132b836439fSMahesh Rajashekhara mpd10.hd.med_type = 0;
3133b836439fSMahesh Rajashekhara /* Device-specific param,
31349d399cc7SSalyzyn, Mark bit 8: 0/1 = write enabled/protected
31359d399cc7SSalyzyn, Mark bit 4: 0/1 = FUA enabled */
3136b836439fSMahesh Rajashekhara mpd10.hd.dev_par = 0;
3137b836439fSMahesh Rajashekhara
313895e852e1SSalyzyn, Mark if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3139b836439fSMahesh Rajashekhara mpd10.hd.dev_par = 0x10;
3140b836439fSMahesh Rajashekhara mpd10.hd.rsrvd[0] = 0; /* reserved */
3141b836439fSMahesh Rajashekhara mpd10.hd.rsrvd[1] = 0; /* reserved */
3142b836439fSMahesh Rajashekhara if (scsicmd->cmnd[1] & 0x8) {
3143b836439fSMahesh Rajashekhara /* Block descriptor length (MSB) */
3144b836439fSMahesh Rajashekhara mpd10.hd.bd_length[0] = 0;
3145b836439fSMahesh Rajashekhara /* Block descriptor length (LSB) */
3146b836439fSMahesh Rajashekhara mpd10.hd.bd_length[1] = 0;
3147b836439fSMahesh Rajashekhara } else {
3148b836439fSMahesh Rajashekhara mpd10.hd.bd_length[0] = 0;
3149b836439fSMahesh Rajashekhara mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3150b836439fSMahesh Rajashekhara
3151b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3152b836439fSMahesh Rajashekhara
3153b836439fSMahesh Rajashekhara mpd10.bd.block_length[0] =
3154b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3155b836439fSMahesh Rajashekhara mpd10.bd.block_length[1] =
3156b836439fSMahesh Rajashekhara (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3157b836439fSMahesh Rajashekhara mpd10.bd.block_length[2] =
3158b836439fSMahesh Rajashekhara fsa_dev_ptr[cid].block_size & 0xff;
3159b836439fSMahesh Rajashekhara
3160b836439fSMahesh Rajashekhara if (capacity > 0xffffff) {
3161b836439fSMahesh Rajashekhara mpd10.bd.block_count[0] = 0xff;
3162b836439fSMahesh Rajashekhara mpd10.bd.block_count[1] = 0xff;
3163b836439fSMahesh Rajashekhara mpd10.bd.block_count[2] = 0xff;
3164b836439fSMahesh Rajashekhara } else {
3165b836439fSMahesh Rajashekhara mpd10.bd.block_count[0] =
3166b836439fSMahesh Rajashekhara (capacity >> 16) & 0xff;
3167b836439fSMahesh Rajashekhara mpd10.bd.block_count[1] =
3168b836439fSMahesh Rajashekhara (capacity >> 8) & 0xff;
3169b836439fSMahesh Rajashekhara mpd10.bd.block_count[2] =
3170b836439fSMahesh Rajashekhara capacity & 0xff;
3171b836439fSMahesh Rajashekhara }
3172b836439fSMahesh Rajashekhara }
31739d399cc7SSalyzyn, Mark if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
31749d399cc7SSalyzyn, Mark ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3175b836439fSMahesh Rajashekhara mpd10.hd.data_length[1] += 3;
3176b836439fSMahesh Rajashekhara mpd10.mpc_buf[0] = 8;
3177b836439fSMahesh Rajashekhara mpd10.mpc_buf[1] = 1;
3178b836439fSMahesh Rajashekhara mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
317995e852e1SSalyzyn, Mark ? 0 : 0x04; /* WCE */
3180b836439fSMahesh Rajashekhara mode_buf_length = sizeof(mpd10);
31819d399cc7SSalyzyn, Mark if (mode_buf_length > scsicmd->cmnd[8])
31829d399cc7SSalyzyn, Mark mode_buf_length = scsicmd->cmnd[8];
31839d399cc7SSalyzyn, Mark }
3184b836439fSMahesh Rajashekhara scsi_sg_copy_from_buffer(scsicmd,
3185b836439fSMahesh Rajashekhara (char *)&mpd10,
3186b836439fSMahesh Rajashekhara mode_buf_length);
31871da177e4SLinus Torvalds
3188cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3189c4e2fbcaSRaghava Aditya Renukunta break;
31901da177e4SLinus Torvalds }
31911da177e4SLinus Torvalds case REQUEST_SENSE:
31921da177e4SLinus Torvalds dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3193c4e2fbcaSRaghava Aditya Renukunta memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3194c4e2fbcaSRaghava Aditya Renukunta sizeof(struct sense_data));
3195c4e2fbcaSRaghava Aditya Renukunta memset(&dev->fsa_dev[cid].sense_data, 0,
3196c4e2fbcaSRaghava Aditya Renukunta sizeof(struct sense_data));
3197cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3198c4e2fbcaSRaghava Aditya Renukunta break;
31991da177e4SLinus Torvalds
32001da177e4SLinus Torvalds case ALLOW_MEDIUM_REMOVAL:
32011da177e4SLinus Torvalds dprintk((KERN_DEBUG "LOCK command.\n"));
32021da177e4SLinus Torvalds if (scsicmd->cmnd[4])
32031da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 1;
32041da177e4SLinus Torvalds else
32051da177e4SLinus Torvalds fsa_dev_ptr[cid].locked = 0;
32061da177e4SLinus Torvalds
3207cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3208c4e2fbcaSRaghava Aditya Renukunta break;
32091da177e4SLinus Torvalds /*
32101da177e4SLinus Torvalds * These commands are all No-Ops
32111da177e4SLinus Torvalds */
32121da177e4SLinus Torvalds case TEST_UNIT_READY:
3213655d722cSMark Salyzyn if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3214cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3215655d722cSMark Salyzyn set_sense(&dev->fsa_dev[cid].sense_data,
3216655d722cSMark Salyzyn NOT_READY, SENCODE_BECOMING_READY,
3217655d722cSMark Salyzyn ASENCODE_BECOMING_READY, 0, 0);
3218655d722cSMark Salyzyn memcpy(scsicmd->sense_buffer,
3219655d722cSMark Salyzyn &dev->fsa_dev[cid].sense_data,
3220655d722cSMark Salyzyn min_t(size_t,
3221655d722cSMark Salyzyn sizeof(dev->fsa_dev[cid].sense_data),
3222655d722cSMark Salyzyn SCSI_SENSE_BUFFERSIZE));
3223c4e2fbcaSRaghava Aditya Renukunta break;
3224655d722cSMark Salyzyn }
3225df561f66SGustavo A. R. Silva fallthrough;
32261da177e4SLinus Torvalds case RESERVE:
32271da177e4SLinus Torvalds case RELEASE:
32281da177e4SLinus Torvalds case REZERO_UNIT:
32291da177e4SLinus Torvalds case REASSIGN_BLOCKS:
32301da177e4SLinus Torvalds case SEEK_10:
3231cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3232c4e2fbcaSRaghava Aditya Renukunta break;
3233655d722cSMark Salyzyn
3234655d722cSMark Salyzyn case START_STOP:
3235655d722cSMark Salyzyn return aac_start_stop(scsicmd);
32361da177e4SLinus Torvalds
32371da177e4SLinus Torvalds default:
32381da177e4SLinus Torvalds /*
32391da177e4SLinus Torvalds * Unhandled commands
32401da177e4SLinus Torvalds */
3241c4e2fbcaSRaghava Aditya Renukunta dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3242c4e2fbcaSRaghava Aditya Renukunta scsicmd->cmnd[0]));
3243cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
32448e31e607SSalyzyn, Mark set_sense(&dev->fsa_dev[cid].sense_data,
32451da177e4SLinus Torvalds ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
32468e31e607SSalyzyn, Mark ASENCODE_INVALID_COMMAND, 0, 0);
32471da177e4SLinus Torvalds memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
32483ace426fSSalyzyn, Mark min_t(size_t,
32493ace426fSSalyzyn, Mark sizeof(dev->fsa_dev[cid].sense_data),
32503ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE));
3251c4e2fbcaSRaghava Aditya Renukunta }
3252c4e2fbcaSRaghava Aditya Renukunta
3253c4e2fbcaSRaghava Aditya Renukunta scsi_done_ret:
3254c4e2fbcaSRaghava Aditya Renukunta
32551dec65e3SBart Van Assche aac_scsi_done(scsicmd);
32561da177e4SLinus Torvalds return 0;
32571da177e4SLinus Torvalds }
32581da177e4SLinus Torvalds
query_disk(struct aac_dev * dev,void __user * arg)32591da177e4SLinus Torvalds static int query_disk(struct aac_dev *dev, void __user *arg)
32601da177e4SLinus Torvalds {
32611da177e4SLinus Torvalds struct aac_query_disk qd;
32621da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr;
32631da177e4SLinus Torvalds
32641da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev;
326590ee3466SMark Haverkamp if (!fsa_dev_ptr)
326665101355SMark Haverkamp return -EBUSY;
32671da177e4SLinus Torvalds if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
32681da177e4SLinus Torvalds return -EFAULT;
3269e6fd916aSDan Carpenter if (qd.cnum == -1) {
3270e6fd916aSDan Carpenter if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3271e6fd916aSDan Carpenter return -EINVAL;
3272e5718774SMark Haverkamp qd.cnum = qd.id;
3273e6fd916aSDan Carpenter } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
32741da177e4SLinus Torvalds if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
32751da177e4SLinus Torvalds return -EINVAL;
32761da177e4SLinus Torvalds qd.instance = dev->scsi_host_ptr->host_no;
32771da177e4SLinus Torvalds qd.bus = 0;
32781da177e4SLinus Torvalds qd.id = CONTAINER_TO_ID(qd.cnum);
32791da177e4SLinus Torvalds qd.lun = CONTAINER_TO_LUN(qd.cnum);
32801da177e4SLinus Torvalds }
32811da177e4SLinus Torvalds else return -EINVAL;
32821da177e4SLinus Torvalds
3283fd622b1bSSalyzyn, Mark qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
32841da177e4SLinus Torvalds qd.locked = fsa_dev_ptr[qd.cnum].locked;
32851da177e4SLinus Torvalds qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
32861da177e4SLinus Torvalds
32871da177e4SLinus Torvalds if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
32881da177e4SLinus Torvalds qd.unmapped = 1;
32891da177e4SLinus Torvalds else
32901da177e4SLinus Torvalds qd.unmapped = 0;
32911da177e4SLinus Torvalds
3292*038d40edSAzeem Shaikh strscpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
32931da177e4SLinus Torvalds min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
32941da177e4SLinus Torvalds
32951da177e4SLinus Torvalds if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
32961da177e4SLinus Torvalds return -EFAULT;
32971da177e4SLinus Torvalds return 0;
32981da177e4SLinus Torvalds }
32991da177e4SLinus Torvalds
force_delete_disk(struct aac_dev * dev,void __user * arg)33001da177e4SLinus Torvalds static int force_delete_disk(struct aac_dev *dev, void __user *arg)
33011da177e4SLinus Torvalds {
33021da177e4SLinus Torvalds struct aac_delete_disk dd;
33031da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr;
33041da177e4SLinus Torvalds
33051da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev;
330665101355SMark Haverkamp if (!fsa_dev_ptr)
330765101355SMark Haverkamp return -EBUSY;
33081da177e4SLinus Torvalds
33091da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
33101da177e4SLinus Torvalds return -EFAULT;
33111da177e4SLinus Torvalds
33121da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers)
33131da177e4SLinus Torvalds return -EINVAL;
33141da177e4SLinus Torvalds /*
33151da177e4SLinus Torvalds * Mark this container as being deleted.
33161da177e4SLinus Torvalds */
33171da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].deleted = 1;
33181da177e4SLinus Torvalds /*
33191da177e4SLinus Torvalds * Mark the container as no longer valid
33201da177e4SLinus Torvalds */
33211da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0;
33221da177e4SLinus Torvalds return 0;
33231da177e4SLinus Torvalds }
33241da177e4SLinus Torvalds
delete_disk(struct aac_dev * dev,void __user * arg)33251da177e4SLinus Torvalds static int delete_disk(struct aac_dev *dev, void __user *arg)
33261da177e4SLinus Torvalds {
33271da177e4SLinus Torvalds struct aac_delete_disk dd;
33281da177e4SLinus Torvalds struct fsa_dev_info *fsa_dev_ptr;
33291da177e4SLinus Torvalds
33301da177e4SLinus Torvalds fsa_dev_ptr = dev->fsa_dev;
333190ee3466SMark Haverkamp if (!fsa_dev_ptr)
333265101355SMark Haverkamp return -EBUSY;
33331da177e4SLinus Torvalds
33341da177e4SLinus Torvalds if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
33351da177e4SLinus Torvalds return -EFAULT;
33361da177e4SLinus Torvalds
33371da177e4SLinus Torvalds if (dd.cnum >= dev->maximum_num_containers)
33381da177e4SLinus Torvalds return -EINVAL;
33391da177e4SLinus Torvalds /*
33401da177e4SLinus Torvalds * If the container is locked, it can not be deleted by the API.
33411da177e4SLinus Torvalds */
33421da177e4SLinus Torvalds if (fsa_dev_ptr[dd.cnum].locked)
33431da177e4SLinus Torvalds return -EBUSY;
33441da177e4SLinus Torvalds else {
33451da177e4SLinus Torvalds /*
33461da177e4SLinus Torvalds * Mark the container as no longer being valid.
33471da177e4SLinus Torvalds */
33481da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].valid = 0;
33491da177e4SLinus Torvalds fsa_dev_ptr[dd.cnum].devname[0] = '\0';
33501da177e4SLinus Torvalds return 0;
33511da177e4SLinus Torvalds }
33521da177e4SLinus Torvalds }
33531da177e4SLinus Torvalds
aac_dev_ioctl(struct aac_dev * dev,unsigned int cmd,void __user * arg)33546f4e626fSNathan Chancellor int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
33551da177e4SLinus Torvalds {
33561da177e4SLinus Torvalds switch (cmd) {
33571da177e4SLinus Torvalds case FSACTL_QUERY_DISK:
33581da177e4SLinus Torvalds return query_disk(dev, arg);
33591da177e4SLinus Torvalds case FSACTL_DELETE_DISK:
33601da177e4SLinus Torvalds return delete_disk(dev, arg);
33611da177e4SLinus Torvalds case FSACTL_FORCE_DELETE_DISK:
33621da177e4SLinus Torvalds return force_delete_disk(dev, arg);
33631da177e4SLinus Torvalds case FSACTL_GET_CONTAINERS:
33641da177e4SLinus Torvalds return aac_get_containers(dev);
33651da177e4SLinus Torvalds default:
33661da177e4SLinus Torvalds return -ENOTTY;
33671da177e4SLinus Torvalds }
33681da177e4SLinus Torvalds }
33691da177e4SLinus Torvalds
33701da177e4SLinus Torvalds /**
33711da177e4SLinus Torvalds * aac_srb_callback
33721da177e4SLinus Torvalds * @context: the context set in the fib - here it is scsi cmd
33731da177e4SLinus Torvalds * @fibptr: pointer to the fib
33741da177e4SLinus Torvalds *
33751da177e4SLinus Torvalds * Handles the completion of a scsi command to a non dasd device
33761da177e4SLinus Torvalds */
aac_srb_callback(void * context,struct fib * fibptr)33771da177e4SLinus Torvalds static void aac_srb_callback(void *context, struct fib * fibptr)
33781da177e4SLinus Torvalds {
33791da177e4SLinus Torvalds struct aac_srb_reply *srbreply;
33801da177e4SLinus Torvalds struct scsi_cmnd *scsicmd;
33811da177e4SLinus Torvalds
33821da177e4SLinus Torvalds scsicmd = (struct scsi_cmnd *) context;
338303d44337SMark Haverkamp
338403d44337SMark Haverkamp if (!aac_valid_context(scsicmd, fibptr))
338503d44337SMark Haverkamp return;
338603d44337SMark Haverkamp
3387125e1874SEric Sesterhenn BUG_ON(fibptr == NULL);
33884ec57fb4SRaghava Aditya Renukunta
338955b87608SMahesh Rajashekhara srbreply = (struct aac_srb_reply *) fib_data(fibptr);
33904ec57fb4SRaghava Aditya Renukunta
33911da177e4SLinus Torvalds scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
339285d22bbfSMahesh Rajashekhara
339385d22bbfSMahesh Rajashekhara if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
339485d22bbfSMahesh Rajashekhara /* fast response */
339585d22bbfSMahesh Rajashekhara srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
339685d22bbfSMahesh Rajashekhara srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
339785d22bbfSMahesh Rajashekhara } else {
33981da177e4SLinus Torvalds /*
33991da177e4SLinus Torvalds * Calculate resid for sg
34001da177e4SLinus Torvalds */
3401727eead6SFUJITA Tomonori scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3402727eead6SFUJITA Tomonori - le32_to_cpu(srbreply->data_xfer_length));
34034ec57fb4SRaghava Aditya Renukunta }
34044ec57fb4SRaghava Aditya Renukunta
34054ec57fb4SRaghava Aditya Renukunta
34064ec57fb4SRaghava Aditya Renukunta scsi_dma_unmap(scsicmd);
34074ec57fb4SRaghava Aditya Renukunta
34084ec57fb4SRaghava Aditya Renukunta /* expose physical device if expose_physicald flag is on */
34094ec57fb4SRaghava Aditya Renukunta if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
34104ec57fb4SRaghava Aditya Renukunta && expose_physicals > 0)
34114ec57fb4SRaghava Aditya Renukunta aac_expose_phy_device(scsicmd);
34124ec57fb4SRaghava Aditya Renukunta
34131da177e4SLinus Torvalds /*
34141da177e4SLinus Torvalds * First check the fib status
34151da177e4SLinus Torvalds */
34161da177e4SLinus Torvalds
34171da177e4SLinus Torvalds if (le32_to_cpu(srbreply->status) != ST_OK) {
34181da177e4SLinus Torvalds int len;
341955b87608SMahesh Rajashekhara
34204ec57fb4SRaghava Aditya Renukunta pr_warn("aac_srb_callback: srb failed, status = %d\n",
34214ec57fb4SRaghava Aditya Renukunta le32_to_cpu(srbreply->status));
34223ace426fSSalyzyn, Mark len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
34233ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE);
3424cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION;
342555b87608SMahesh Rajashekhara memcpy(scsicmd->sense_buffer,
342655b87608SMahesh Rajashekhara srbreply->sense_data, len);
34271da177e4SLinus Torvalds }
34281da177e4SLinus Torvalds
34291da177e4SLinus Torvalds /*
34301da177e4SLinus Torvalds * Next check the srb status
34311da177e4SLinus Torvalds */
34321da177e4SLinus Torvalds switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
34331da177e4SLinus Torvalds case SRB_STATUS_ERROR_RECOVERY:
34341da177e4SLinus Torvalds case SRB_STATUS_PENDING:
34351da177e4SLinus Torvalds case SRB_STATUS_SUCCESS:
3436cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
34371da177e4SLinus Torvalds break;
34381da177e4SLinus Torvalds case SRB_STATUS_DATA_OVERRUN:
34391da177e4SLinus Torvalds switch (scsicmd->cmnd[0]) {
34401da177e4SLinus Torvalds case READ_6:
34411da177e4SLinus Torvalds case WRITE_6:
34421da177e4SLinus Torvalds case READ_10:
34431da177e4SLinus Torvalds case WRITE_10:
34441da177e4SLinus Torvalds case READ_12:
34451da177e4SLinus Torvalds case WRITE_12:
34467a8cf29dSMark Haverkamp case READ_16:
34477a8cf29dSMark Haverkamp case WRITE_16:
344855b87608SMahesh Rajashekhara if (le32_to_cpu(srbreply->data_xfer_length)
344955b87608SMahesh Rajashekhara < scsicmd->underflow)
34504ec57fb4SRaghava Aditya Renukunta pr_warn("aacraid: SCSI CMD underflow\n");
345155b87608SMahesh Rajashekhara else
34524ec57fb4SRaghava Aditya Renukunta pr_warn("aacraid: SCSI CMD Data Overrun\n");
3453cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
34541da177e4SLinus Torvalds break;
34554ec57fb4SRaghava Aditya Renukunta case INQUIRY:
3456cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
34571da177e4SLinus Torvalds break;
34581da177e4SLinus Torvalds default:
3459cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
34601da177e4SLinus Torvalds break;
34611da177e4SLinus Torvalds }
34621da177e4SLinus Torvalds break;
34631da177e4SLinus Torvalds case SRB_STATUS_ABORTED:
3464cdec16c1SHannes Reinecke scsicmd->result = DID_ABORT << 16;
34651da177e4SLinus Torvalds break;
34661da177e4SLinus Torvalds case SRB_STATUS_ABORT_FAILED:
346755b87608SMahesh Rajashekhara /*
346855b87608SMahesh Rajashekhara * Not sure about this one - but assuming the
346955b87608SMahesh Rajashekhara * hba was trying to abort for some reason
347055b87608SMahesh Rajashekhara */
3471cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
34721da177e4SLinus Torvalds break;
34731da177e4SLinus Torvalds case SRB_STATUS_PARITY_ERROR:
3474cdec16c1SHannes Reinecke scsicmd->result = DID_PARITY << 16;
34751da177e4SLinus Torvalds break;
34761da177e4SLinus Torvalds case SRB_STATUS_NO_DEVICE:
34771da177e4SLinus Torvalds case SRB_STATUS_INVALID_PATH_ID:
34781da177e4SLinus Torvalds case SRB_STATUS_INVALID_TARGET_ID:
34791da177e4SLinus Torvalds case SRB_STATUS_INVALID_LUN:
34801da177e4SLinus Torvalds case SRB_STATUS_SELECTION_TIMEOUT:
3481cdec16c1SHannes Reinecke scsicmd->result = DID_NO_CONNECT << 16;
34821da177e4SLinus Torvalds break;
34831da177e4SLinus Torvalds
34841da177e4SLinus Torvalds case SRB_STATUS_COMMAND_TIMEOUT:
34851da177e4SLinus Torvalds case SRB_STATUS_TIMEOUT:
3486cdec16c1SHannes Reinecke scsicmd->result = DID_TIME_OUT << 16;
34871da177e4SLinus Torvalds break;
34881da177e4SLinus Torvalds
34891da177e4SLinus Torvalds case SRB_STATUS_BUSY:
3490cdec16c1SHannes Reinecke scsicmd->result = DID_BUS_BUSY << 16;
34911da177e4SLinus Torvalds break;
34921da177e4SLinus Torvalds
34931da177e4SLinus Torvalds case SRB_STATUS_BUS_RESET:
3494cdec16c1SHannes Reinecke scsicmd->result = DID_RESET << 16;
34951da177e4SLinus Torvalds break;
34961da177e4SLinus Torvalds
34971da177e4SLinus Torvalds case SRB_STATUS_MESSAGE_REJECTED:
3498cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
34991da177e4SLinus Torvalds break;
35001da177e4SLinus Torvalds case SRB_STATUS_REQUEST_FLUSHED:
35011da177e4SLinus Torvalds case SRB_STATUS_ERROR:
35021da177e4SLinus Torvalds case SRB_STATUS_INVALID_REQUEST:
35031da177e4SLinus Torvalds case SRB_STATUS_REQUEST_SENSE_FAILED:
35041da177e4SLinus Torvalds case SRB_STATUS_NO_HBA:
35051da177e4SLinus Torvalds case SRB_STATUS_UNEXPECTED_BUS_FREE:
35061da177e4SLinus Torvalds case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
35071da177e4SLinus Torvalds case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
35081da177e4SLinus Torvalds case SRB_STATUS_DELAYED_RETRY:
35091da177e4SLinus Torvalds case SRB_STATUS_BAD_FUNCTION:
35101da177e4SLinus Torvalds case SRB_STATUS_NOT_STARTED:
35111da177e4SLinus Torvalds case SRB_STATUS_NOT_IN_USE:
35121da177e4SLinus Torvalds case SRB_STATUS_FORCE_ABORT:
35131da177e4SLinus Torvalds case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
35141da177e4SLinus Torvalds default:
35151da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO
35164ec57fb4SRaghava Aditya Renukunta pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
35171da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F,
35181da177e4SLinus Torvalds aac_get_status_string(
35191da177e4SLinus Torvalds le32_to_cpu(srbreply->srb_status) & 0x3F),
35201da177e4SLinus Torvalds scsicmd->cmnd[0],
35211da177e4SLinus Torvalds le32_to_cpu(srbreply->scsi_status));
35221da177e4SLinus Torvalds #endif
35234ec57fb4SRaghava Aditya Renukunta /*
35244ec57fb4SRaghava Aditya Renukunta * When the CC bit is SET by the host in ATA pass thru CDB,
35254ec57fb4SRaghava Aditya Renukunta * driver is supposed to return DID_OK
35264ec57fb4SRaghava Aditya Renukunta *
35274ec57fb4SRaghava Aditya Renukunta * When the CC bit is RESET by the host, driver should
35284ec57fb4SRaghava Aditya Renukunta * return DID_ERROR
35294ec57fb4SRaghava Aditya Renukunta */
35301fc8010aSRajashekhara, Mahesh if ((scsicmd->cmnd[0] == ATA_12)
35311fc8010aSRajashekhara, Mahesh || (scsicmd->cmnd[0] == ATA_16)) {
35324ec57fb4SRaghava Aditya Renukunta
35331fc8010aSRajashekhara, Mahesh if (scsicmd->cmnd[2] & (0x01 << 5)) {
3534cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
35351fc8010aSRajashekhara, Mahesh } else {
3536cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
35371fc8010aSRajashekhara, Mahesh }
35381fc8010aSRajashekhara, Mahesh } else {
3539cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
35401fc8010aSRajashekhara, Mahesh }
3541cdec16c1SHannes Reinecke break;
35421da177e4SLinus Torvalds }
354355b87608SMahesh Rajashekhara if (le32_to_cpu(srbreply->scsi_status)
354455b87608SMahesh Rajashekhara == SAM_STAT_CHECK_CONDITION) {
35451da177e4SLinus Torvalds int len;
354655b87608SMahesh Rajashekhara
35471da177e4SLinus Torvalds scsicmd->result |= SAM_STAT_CHECK_CONDITION;
35483ace426fSSalyzyn, Mark len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
35493ace426fSSalyzyn, Mark SCSI_SENSE_BUFFERSIZE);
35501da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO
35514ec57fb4SRaghava Aditya Renukunta pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
35527a8cf29dSMark Haverkamp le32_to_cpu(srbreply->status), len);
35531da177e4SLinus Torvalds #endif
355455b87608SMahesh Rajashekhara memcpy(scsicmd->sense_buffer,
355555b87608SMahesh Rajashekhara srbreply->sense_data, len);
355655b87608SMahesh Rajashekhara }
35574ec57fb4SRaghava Aditya Renukunta
35581da177e4SLinus Torvalds /*
35591da177e4SLinus Torvalds * OR in the scsi status (already shifted up a bit)
35601da177e4SLinus Torvalds */
35611da177e4SLinus Torvalds scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
35621da177e4SLinus Torvalds
3563bfb35aa8SMark Haverkamp aac_fib_complete(fibptr);
35641dec65e3SBart Van Assche aac_scsi_done(scsicmd);
35651da177e4SLinus Torvalds }
35661da177e4SLinus Torvalds
hba_resp_task_complete(struct aac_dev * dev,struct scsi_cmnd * scsicmd,struct aac_hba_resp * err)3567ab5d129fSRaghava Aditya Renukunta static void hba_resp_task_complete(struct aac_dev *dev,
3568ab5d129fSRaghava Aditya Renukunta struct scsi_cmnd *scsicmd,
3569ab5d129fSRaghava Aditya Renukunta struct aac_hba_resp *err) {
3570ab5d129fSRaghava Aditya Renukunta
3571ab5d129fSRaghava Aditya Renukunta scsicmd->result = err->status;
3572ab5d129fSRaghava Aditya Renukunta /* set residual count */
3573ab5d129fSRaghava Aditya Renukunta scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3574ab5d129fSRaghava Aditya Renukunta
3575ab5d129fSRaghava Aditya Renukunta switch (err->status) {
3576ab5d129fSRaghava Aditya Renukunta case SAM_STAT_GOOD:
3577cdec16c1SHannes Reinecke scsicmd->result |= DID_OK << 16;
3578ab5d129fSRaghava Aditya Renukunta break;
3579ab5d129fSRaghava Aditya Renukunta case SAM_STAT_CHECK_CONDITION:
3580ab5d129fSRaghava Aditya Renukunta {
3581ab5d129fSRaghava Aditya Renukunta int len;
3582ab5d129fSRaghava Aditya Renukunta
3583ab5d129fSRaghava Aditya Renukunta len = min_t(u8, err->sense_response_data_len,
3584ab5d129fSRaghava Aditya Renukunta SCSI_SENSE_BUFFERSIZE);
3585ab5d129fSRaghava Aditya Renukunta if (len)
3586ab5d129fSRaghava Aditya Renukunta memcpy(scsicmd->sense_buffer,
3587ab5d129fSRaghava Aditya Renukunta err->sense_response_buf, len);
3588cdec16c1SHannes Reinecke scsicmd->result |= DID_OK << 16;
3589ab5d129fSRaghava Aditya Renukunta break;
3590ab5d129fSRaghava Aditya Renukunta }
3591ab5d129fSRaghava Aditya Renukunta case SAM_STAT_BUSY:
3592cdec16c1SHannes Reinecke scsicmd->result |= DID_BUS_BUSY << 16;
3593ab5d129fSRaghava Aditya Renukunta break;
3594ab5d129fSRaghava Aditya Renukunta case SAM_STAT_TASK_ABORTED:
3595cdec16c1SHannes Reinecke scsicmd->result |= DID_ABORT << 16;
3596ab5d129fSRaghava Aditya Renukunta break;
3597ab5d129fSRaghava Aditya Renukunta case SAM_STAT_RESERVATION_CONFLICT:
3598ab5d129fSRaghava Aditya Renukunta case SAM_STAT_TASK_SET_FULL:
3599ab5d129fSRaghava Aditya Renukunta default:
3600cdec16c1SHannes Reinecke scsicmd->result |= DID_ERROR << 16;
3601ab5d129fSRaghava Aditya Renukunta break;
3602ab5d129fSRaghava Aditya Renukunta }
3603ab5d129fSRaghava Aditya Renukunta }
3604ab5d129fSRaghava Aditya Renukunta
hba_resp_task_failure(struct aac_dev * dev,struct scsi_cmnd * scsicmd,struct aac_hba_resp * err)3605ab5d129fSRaghava Aditya Renukunta static void hba_resp_task_failure(struct aac_dev *dev,
3606ab5d129fSRaghava Aditya Renukunta struct scsi_cmnd *scsicmd,
3607ab5d129fSRaghava Aditya Renukunta struct aac_hba_resp *err)
3608ab5d129fSRaghava Aditya Renukunta {
3609ab5d129fSRaghava Aditya Renukunta switch (err->status) {
3610ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_HBAMODE_DISABLED:
3611ab5d129fSRaghava Aditya Renukunta {
3612ab5d129fSRaghava Aditya Renukunta u32 bus, cid;
3613ab5d129fSRaghava Aditya Renukunta
3614ab5d129fSRaghava Aditya Renukunta bus = aac_logical_to_phys(scmd_channel(scsicmd));
3615ab5d129fSRaghava Aditya Renukunta cid = scmd_id(scsicmd);
3616ab5d129fSRaghava Aditya Renukunta if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3617ab5d129fSRaghava Aditya Renukunta dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3618ab5d129fSRaghava Aditya Renukunta dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3619ab5d129fSRaghava Aditya Renukunta }
3620cdec16c1SHannes Reinecke scsicmd->result = DID_NO_CONNECT << 16;
3621ab5d129fSRaghava Aditya Renukunta break;
3622ab5d129fSRaghava Aditya Renukunta }
3623ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_IO_ERROR:
3624ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3625cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY;
3626ab5d129fSRaghava Aditya Renukunta break;
3627ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_IO_ABORTED:
3628cdec16c1SHannes Reinecke scsicmd->result = DID_ABORT << 16;
3629ab5d129fSRaghava Aditya Renukunta break;
3630ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_INVALID_DEVICE:
3631cdec16c1SHannes Reinecke scsicmd->result = DID_NO_CONNECT << 16;
3632ab5d129fSRaghava Aditya Renukunta break;
3633ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_UNDERRUN:
3634ab5d129fSRaghava Aditya Renukunta /* UNDERRUN is OK */
3635cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
3636ab5d129fSRaghava Aditya Renukunta break;
3637ab5d129fSRaghava Aditya Renukunta case HBA_RESP_STAT_OVERRUN:
3638ab5d129fSRaghava Aditya Renukunta default:
3639cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
3640ab5d129fSRaghava Aditya Renukunta break;
3641ab5d129fSRaghava Aditya Renukunta }
3642ab5d129fSRaghava Aditya Renukunta }
3643ab5d129fSRaghava Aditya Renukunta
36441da177e4SLinus Torvalds /**
3645ab5d129fSRaghava Aditya Renukunta * aac_hba_callback
3646ab5d129fSRaghava Aditya Renukunta * @context: the context set in the fib - here it is scsi cmd
3647ab5d129fSRaghava Aditya Renukunta * @fibptr: pointer to the fib
3648ab5d129fSRaghava Aditya Renukunta *
3649ab5d129fSRaghava Aditya Renukunta * Handles the completion of a native HBA scsi command
3650ab5d129fSRaghava Aditya Renukunta */
aac_hba_callback(void * context,struct fib * fibptr)3651ab5d129fSRaghava Aditya Renukunta void aac_hba_callback(void *context, struct fib *fibptr)
3652ab5d129fSRaghava Aditya Renukunta {
3653ab5d129fSRaghava Aditya Renukunta struct aac_dev *dev;
3654ab5d129fSRaghava Aditya Renukunta struct scsi_cmnd *scsicmd;
3655ab5d129fSRaghava Aditya Renukunta
3656ab5d129fSRaghava Aditya Renukunta struct aac_hba_resp *err =
3657ab5d129fSRaghava Aditya Renukunta &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3658ab5d129fSRaghava Aditya Renukunta
3659ab5d129fSRaghava Aditya Renukunta scsicmd = (struct scsi_cmnd *) context;
3660ab5d129fSRaghava Aditya Renukunta
3661ab5d129fSRaghava Aditya Renukunta if (!aac_valid_context(scsicmd, fibptr))
3662ab5d129fSRaghava Aditya Renukunta return;
3663ab5d129fSRaghava Aditya Renukunta
3664ab5d129fSRaghava Aditya Renukunta WARN_ON(fibptr == NULL);
3665ab5d129fSRaghava Aditya Renukunta dev = fibptr->dev;
3666ab5d129fSRaghava Aditya Renukunta
3667ab5d129fSRaghava Aditya Renukunta if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3668ab5d129fSRaghava Aditya Renukunta scsi_dma_unmap(scsicmd);
3669ab5d129fSRaghava Aditya Renukunta
3670ab5d129fSRaghava Aditya Renukunta if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3671ab5d129fSRaghava Aditya Renukunta /* fast response */
3672cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
3673ab5d129fSRaghava Aditya Renukunta goto out;
3674ab5d129fSRaghava Aditya Renukunta }
3675ab5d129fSRaghava Aditya Renukunta
3676ab5d129fSRaghava Aditya Renukunta switch (err->service_response) {
3677ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_TASK_COMPLETE:
3678ab5d129fSRaghava Aditya Renukunta hba_resp_task_complete(dev, scsicmd, err);
3679ab5d129fSRaghava Aditya Renukunta break;
3680ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_FAILURE:
3681ab5d129fSRaghava Aditya Renukunta hba_resp_task_failure(dev, scsicmd, err);
3682ab5d129fSRaghava Aditya Renukunta break;
3683ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_TMF_REJECTED:
3684cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
3685ab5d129fSRaghava Aditya Renukunta break;
3686ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3687cdec16c1SHannes Reinecke scsicmd->result = DID_NO_CONNECT << 16;
3688ab5d129fSRaghava Aditya Renukunta break;
3689ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_TMF_COMPLETE:
3690ab5d129fSRaghava Aditya Renukunta case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3691cdec16c1SHannes Reinecke scsicmd->result = DID_OK << 16;
3692ab5d129fSRaghava Aditya Renukunta break;
3693ab5d129fSRaghava Aditya Renukunta default:
3694cdec16c1SHannes Reinecke scsicmd->result = DID_ERROR << 16;
3695ab5d129fSRaghava Aditya Renukunta break;
3696ab5d129fSRaghava Aditya Renukunta }
3697ab5d129fSRaghava Aditya Renukunta
3698ab5d129fSRaghava Aditya Renukunta out:
3699ab5d129fSRaghava Aditya Renukunta aac_fib_complete(fibptr);
3700ab5d129fSRaghava Aditya Renukunta
3701ab5d129fSRaghava Aditya Renukunta if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
370276a3451bSBart Van Assche aac_priv(scsicmd)->sent_command = 1;
3703ab5d129fSRaghava Aditya Renukunta else
37041dec65e3SBart Van Assche aac_scsi_done(scsicmd);
3705ab5d129fSRaghava Aditya Renukunta }
3706ab5d129fSRaghava Aditya Renukunta
3707ab5d129fSRaghava Aditya Renukunta /**
3708ab5d129fSRaghava Aditya Renukunta * aac_send_srb_fib
37091da177e4SLinus Torvalds * @scsicmd: the scsi command block
37101da177e4SLinus Torvalds *
37111da177e4SLinus Torvalds * This routine will form a FIB and fill in the aac_srb from the
37121da177e4SLinus Torvalds * scsicmd passed in.
37131da177e4SLinus Torvalds */
aac_send_srb_fib(struct scsi_cmnd * scsicmd)37141da177e4SLinus Torvalds static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
37151da177e4SLinus Torvalds {
37161da177e4SLinus Torvalds struct fib* cmd_fibcontext;
37171da177e4SLinus Torvalds struct aac_dev* dev;
37181da177e4SLinus Torvalds int status;
37191da177e4SLinus Torvalds
372084971738SMark Haverkamp dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3721e5718774SMark Haverkamp if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
372284971738SMark Haverkamp scsicmd->device->lun > 7) {
37231da177e4SLinus Torvalds scsicmd->result = DID_NO_CONNECT << 16;
37241dec65e3SBart Van Assche aac_scsi_done(scsicmd);
37251da177e4SLinus Torvalds return 0;
37261da177e4SLinus Torvalds }
37271da177e4SLinus Torvalds
37281da177e4SLinus Torvalds /*
37291da177e4SLinus Torvalds * Allocate and initialize a Fib then setup a BlockWrite command
37301da177e4SLinus Torvalds */
37316bf3b630SRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
373276a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3733e8f32de5SMark Haverkamp status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
37341da177e4SLinus Torvalds
37351da177e4SLinus Torvalds /*
37361da177e4SLinus Torvalds * Check that the command queued to the controller
37371da177e4SLinus Torvalds */
37381ae948faSBrian King if (status == -EINPROGRESS)
37391da177e4SLinus Torvalds return 0;
37401da177e4SLinus Torvalds
3741bfb35aa8SMark Haverkamp printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3742bfb35aa8SMark Haverkamp aac_fib_complete(cmd_fibcontext);
3743bfb35aa8SMark Haverkamp aac_fib_free(cmd_fibcontext);
37441da177e4SLinus Torvalds
37451da177e4SLinus Torvalds return -1;
37461da177e4SLinus Torvalds }
37471da177e4SLinus Torvalds
3748ab5d129fSRaghava Aditya Renukunta /**
3749ab5d129fSRaghava Aditya Renukunta * aac_send_hba_fib
3750ab5d129fSRaghava Aditya Renukunta * @scsicmd: the scsi command block
3751ab5d129fSRaghava Aditya Renukunta *
3752ab5d129fSRaghava Aditya Renukunta * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3753ab5d129fSRaghava Aditya Renukunta * scsicmd passed in.
3754ab5d129fSRaghava Aditya Renukunta */
aac_send_hba_fib(struct scsi_cmnd * scsicmd)3755ab5d129fSRaghava Aditya Renukunta static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3756ab5d129fSRaghava Aditya Renukunta {
3757ab5d129fSRaghava Aditya Renukunta struct fib *cmd_fibcontext;
3758ab5d129fSRaghava Aditya Renukunta struct aac_dev *dev;
3759ab5d129fSRaghava Aditya Renukunta int status;
3760ab5d129fSRaghava Aditya Renukunta
3761ab5d129fSRaghava Aditya Renukunta dev = shost_priv(scsicmd->device->host);
3762ab5d129fSRaghava Aditya Renukunta if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3763ab5d129fSRaghava Aditya Renukunta scsicmd->device->lun > AAC_MAX_LUN - 1) {
3764ab5d129fSRaghava Aditya Renukunta scsicmd->result = DID_NO_CONNECT << 16;
37651dec65e3SBart Van Assche aac_scsi_done(scsicmd);
3766ab5d129fSRaghava Aditya Renukunta return 0;
3767ab5d129fSRaghava Aditya Renukunta }
3768ab5d129fSRaghava Aditya Renukunta
3769ab5d129fSRaghava Aditya Renukunta /*
3770ab5d129fSRaghava Aditya Renukunta * Allocate and initialize a Fib then setup a BlockWrite command
3771ab5d129fSRaghava Aditya Renukunta */
3772ab5d129fSRaghava Aditya Renukunta cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3773ab5d129fSRaghava Aditya Renukunta if (!cmd_fibcontext)
3774ab5d129fSRaghava Aditya Renukunta return -1;
3775ab5d129fSRaghava Aditya Renukunta
377676a3451bSBart Van Assche aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3777ab5d129fSRaghava Aditya Renukunta status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3778ab5d129fSRaghava Aditya Renukunta
3779ab5d129fSRaghava Aditya Renukunta /*
3780ab5d129fSRaghava Aditya Renukunta * Check that the command queued to the controller
3781ab5d129fSRaghava Aditya Renukunta */
37821ae948faSBrian King if (status == -EINPROGRESS)
3783ab5d129fSRaghava Aditya Renukunta return 0;
3784ab5d129fSRaghava Aditya Renukunta
3785ab5d129fSRaghava Aditya Renukunta pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3786ab5d129fSRaghava Aditya Renukunta status);
3787ab5d129fSRaghava Aditya Renukunta aac_fib_complete(cmd_fibcontext);
3788ab5d129fSRaghava Aditya Renukunta aac_fib_free(cmd_fibcontext);
3789ab5d129fSRaghava Aditya Renukunta
3790ab5d129fSRaghava Aditya Renukunta return -1;
3791ab5d129fSRaghava Aditya Renukunta }
3792ab5d129fSRaghava Aditya Renukunta
3793ab5d129fSRaghava Aditya Renukunta
aac_build_sg(struct scsi_cmnd * scsicmd,struct sgmap * psg)37940b433447SMahesh Rajashekhara static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
37951da177e4SLinus Torvalds {
37961da177e4SLinus Torvalds unsigned long byte_count = 0;
3797727eead6SFUJITA Tomonori int nseg;
3798a2260323SNikola Pajkovsky struct scatterlist *sg;
3799a2260323SNikola Pajkovsky int i;
38001da177e4SLinus Torvalds
38011da177e4SLinus Torvalds // Get rid of old data
38021da177e4SLinus Torvalds psg->count = 0;
38031da177e4SLinus Torvalds psg->sg[0].addr = 0;
38041da177e4SLinus Torvalds psg->sg[0].count = 0;
3805727eead6SFUJITA Tomonori
3806727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd);
3807a2260323SNikola Pajkovsky if (nseg <= 0)
38080b433447SMahesh Rajashekhara return nseg;
38091da177e4SLinus Torvalds
3810727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg);
38111da177e4SLinus Torvalds
3812727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) {
38131da177e4SLinus Torvalds psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
38141da177e4SLinus Torvalds psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
38151da177e4SLinus Torvalds byte_count += sg_dma_len(sg);
38161da177e4SLinus Torvalds }
38171da177e4SLinus Torvalds /* hba wants the size to be exact */
3818727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) {
381956b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3820727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd));
382156b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp);
3822727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd);
38231da177e4SLinus Torvalds }
38241da177e4SLinus Torvalds /* Check for command underflow */
38251da177e4SLinus Torvalds if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
38261da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
38271da177e4SLinus Torvalds byte_count, scsicmd->underflow);
38281da177e4SLinus Torvalds }
3829a2260323SNikola Pajkovsky
38301da177e4SLinus Torvalds return byte_count;
38311da177e4SLinus Torvalds }
38321da177e4SLinus Torvalds
38331da177e4SLinus Torvalds
aac_build_sg64(struct scsi_cmnd * scsicmd,struct sgmap64 * psg)38340b433447SMahesh Rajashekhara static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
38351da177e4SLinus Torvalds {
38361da177e4SLinus Torvalds unsigned long byte_count = 0;
383756b58712SMark Haverkamp u64 addr;
3838727eead6SFUJITA Tomonori int nseg;
3839a2260323SNikola Pajkovsky struct scatterlist *sg;
3840a2260323SNikola Pajkovsky int i;
38411da177e4SLinus Torvalds
38421da177e4SLinus Torvalds // Get rid of old data
38431da177e4SLinus Torvalds psg->count = 0;
38441da177e4SLinus Torvalds psg->sg[0].addr[0] = 0;
38451da177e4SLinus Torvalds psg->sg[0].addr[1] = 0;
38461da177e4SLinus Torvalds psg->sg[0].count = 0;
3847727eead6SFUJITA Tomonori
3848727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd);
3849a2260323SNikola Pajkovsky if (nseg <= 0)
38500b433447SMahesh Rajashekhara return nseg;
38511da177e4SLinus Torvalds
3852727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) {
38531241f359SMark Haverkamp int count = sg_dma_len(sg);
385456b58712SMark Haverkamp addr = sg_dma_address(sg);
385556b58712SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
385656b58712SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
38571241f359SMark Haverkamp psg->sg[i].count = cpu_to_le32(count);
38581241f359SMark Haverkamp byte_count += count;
38591da177e4SLinus Torvalds }
3860727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg);
38611da177e4SLinus Torvalds /* hba wants the size to be exact */
3862727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) {
386356b58712SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3864727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd));
386556b58712SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp);
3866727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd);
38671da177e4SLinus Torvalds }
38681da177e4SLinus Torvalds /* Check for command underflow */
38691da177e4SLinus Torvalds if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
38701da177e4SLinus Torvalds printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
38711da177e4SLinus Torvalds byte_count, scsicmd->underflow);
38721da177e4SLinus Torvalds }
3873a2260323SNikola Pajkovsky
38741da177e4SLinus Torvalds return byte_count;
38751da177e4SLinus Torvalds }
38761da177e4SLinus Torvalds
aac_build_sgraw(struct scsi_cmnd * scsicmd,struct sgmapraw * psg)38770b433447SMahesh Rajashekhara static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
38780e68c003SMark Haverkamp {
38790e68c003SMark Haverkamp unsigned long byte_count = 0;
3880727eead6SFUJITA Tomonori int nseg;
3881a2260323SNikola Pajkovsky struct scatterlist *sg;
3882a2260323SNikola Pajkovsky int i;
38830e68c003SMark Haverkamp
38840e68c003SMark Haverkamp // Get rid of old data
38850e68c003SMark Haverkamp psg->count = 0;
38860e68c003SMark Haverkamp psg->sg[0].next = 0;
38870e68c003SMark Haverkamp psg->sg[0].prev = 0;
38880e68c003SMark Haverkamp psg->sg[0].addr[0] = 0;
38890e68c003SMark Haverkamp psg->sg[0].addr[1] = 0;
38900e68c003SMark Haverkamp psg->sg[0].count = 0;
38910e68c003SMark Haverkamp psg->sg[0].flags = 0;
3892727eead6SFUJITA Tomonori
3893727eead6SFUJITA Tomonori nseg = scsi_dma_map(scsicmd);
3894a2260323SNikola Pajkovsky if (nseg <= 0)
38950b433447SMahesh Rajashekhara return nseg;
38960e68c003SMark Haverkamp
3897727eead6SFUJITA Tomonori scsi_for_each_sg(scsicmd, sg, nseg, i) {
38980e68c003SMark Haverkamp int count = sg_dma_len(sg);
38990e68c003SMark Haverkamp u64 addr = sg_dma_address(sg);
39000e68c003SMark Haverkamp psg->sg[i].next = 0;
39010e68c003SMark Haverkamp psg->sg[i].prev = 0;
39020e68c003SMark Haverkamp psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
39030e68c003SMark Haverkamp psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
39040e68c003SMark Haverkamp psg->sg[i].count = cpu_to_le32(count);
39050e68c003SMark Haverkamp psg->sg[i].flags = 0;
39060e68c003SMark Haverkamp byte_count += count;
39070e68c003SMark Haverkamp }
3908727eead6SFUJITA Tomonori psg->count = cpu_to_le32(nseg);
39090e68c003SMark Haverkamp /* hba wants the size to be exact */
3910727eead6SFUJITA Tomonori if (byte_count > scsi_bufflen(scsicmd)) {
39110e68c003SMark Haverkamp u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3912727eead6SFUJITA Tomonori (byte_count - scsi_bufflen(scsicmd));
39130e68c003SMark Haverkamp psg->sg[i-1].count = cpu_to_le32(temp);
3914727eead6SFUJITA Tomonori byte_count = scsi_bufflen(scsicmd);
39150e68c003SMark Haverkamp }
39160e68c003SMark Haverkamp /* Check for command underflow */
39170e68c003SMark Haverkamp if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
39180e68c003SMark Haverkamp printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
39190e68c003SMark Haverkamp byte_count, scsicmd->underflow);
39200e68c003SMark Haverkamp }
3921a2260323SNikola Pajkovsky
39220e68c003SMark Haverkamp return byte_count;
39230e68c003SMark Haverkamp }
39240e68c003SMark Haverkamp
aac_build_sgraw2(struct scsi_cmnd * scsicmd,struct aac_raw_io2 * rio2,int sg_max)39250b433447SMahesh Rajashekhara static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
39260b433447SMahesh Rajashekhara struct aac_raw_io2 *rio2, int sg_max)
392785d22bbfSMahesh Rajashekhara {
392885d22bbfSMahesh Rajashekhara unsigned long byte_count = 0;
392985d22bbfSMahesh Rajashekhara int nseg;
393085d22bbfSMahesh Rajashekhara struct scatterlist *sg;
393185d22bbfSMahesh Rajashekhara int i, conformable = 0;
393285d22bbfSMahesh Rajashekhara u32 min_size = PAGE_SIZE, cur_size;
393385d22bbfSMahesh Rajashekhara
3934a2260323SNikola Pajkovsky nseg = scsi_dma_map(scsicmd);
3935a2260323SNikola Pajkovsky if (nseg <= 0)
3936a2260323SNikola Pajkovsky return nseg;
3937a2260323SNikola Pajkovsky
393885d22bbfSMahesh Rajashekhara scsi_for_each_sg(scsicmd, sg, nseg, i) {
393985d22bbfSMahesh Rajashekhara int count = sg_dma_len(sg);
394085d22bbfSMahesh Rajashekhara u64 addr = sg_dma_address(sg);
394185d22bbfSMahesh Rajashekhara
394285d22bbfSMahesh Rajashekhara BUG_ON(i >= sg_max);
394385d22bbfSMahesh Rajashekhara rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
394485d22bbfSMahesh Rajashekhara rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
394585d22bbfSMahesh Rajashekhara cur_size = cpu_to_le32(count);
394685d22bbfSMahesh Rajashekhara rio2->sge[i].length = cur_size;
394785d22bbfSMahesh Rajashekhara rio2->sge[i].flags = 0;
394885d22bbfSMahesh Rajashekhara if (i == 0) {
394985d22bbfSMahesh Rajashekhara conformable = 1;
395085d22bbfSMahesh Rajashekhara rio2->sgeFirstSize = cur_size;
395185d22bbfSMahesh Rajashekhara } else if (i == 1) {
395285d22bbfSMahesh Rajashekhara rio2->sgeNominalSize = cur_size;
395385d22bbfSMahesh Rajashekhara min_size = cur_size;
395485d22bbfSMahesh Rajashekhara } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
395585d22bbfSMahesh Rajashekhara conformable = 0;
395685d22bbfSMahesh Rajashekhara if (cur_size < min_size)
395785d22bbfSMahesh Rajashekhara min_size = cur_size;
395885d22bbfSMahesh Rajashekhara }
395985d22bbfSMahesh Rajashekhara byte_count += count;
396085d22bbfSMahesh Rajashekhara }
396185d22bbfSMahesh Rajashekhara
396285d22bbfSMahesh Rajashekhara /* hba wants the size to be exact */
396385d22bbfSMahesh Rajashekhara if (byte_count > scsi_bufflen(scsicmd)) {
396485d22bbfSMahesh Rajashekhara u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
396585d22bbfSMahesh Rajashekhara (byte_count - scsi_bufflen(scsicmd));
396685d22bbfSMahesh Rajashekhara rio2->sge[i-1].length = cpu_to_le32(temp);
396785d22bbfSMahesh Rajashekhara byte_count = scsi_bufflen(scsicmd);
396885d22bbfSMahesh Rajashekhara }
396985d22bbfSMahesh Rajashekhara
397085d22bbfSMahesh Rajashekhara rio2->sgeCnt = cpu_to_le32(nseg);
397185d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
397285d22bbfSMahesh Rajashekhara /* not conformable: evaluate required sg elements */
397385d22bbfSMahesh Rajashekhara if (!conformable) {
397485d22bbfSMahesh Rajashekhara int j, nseg_new = nseg, err_found;
397585d22bbfSMahesh Rajashekhara for (i = min_size / PAGE_SIZE; i >= 1; --i) {
397685d22bbfSMahesh Rajashekhara err_found = 0;
397785d22bbfSMahesh Rajashekhara nseg_new = 2;
397885d22bbfSMahesh Rajashekhara for (j = 1; j < nseg - 1; ++j) {
397985d22bbfSMahesh Rajashekhara if (rio2->sge[j].length % (i*PAGE_SIZE)) {
398085d22bbfSMahesh Rajashekhara err_found = 1;
398185d22bbfSMahesh Rajashekhara break;
398285d22bbfSMahesh Rajashekhara }
398385d22bbfSMahesh Rajashekhara nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
398485d22bbfSMahesh Rajashekhara }
398585d22bbfSMahesh Rajashekhara if (!err_found)
398685d22bbfSMahesh Rajashekhara break;
398785d22bbfSMahesh Rajashekhara }
398896676246SNikola Pajkovsky if (i > 0 && nseg_new <= sg_max) {
398996676246SNikola Pajkovsky int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
399096676246SNikola Pajkovsky
399196676246SNikola Pajkovsky if (ret < 0)
399296676246SNikola Pajkovsky return ret;
399396676246SNikola Pajkovsky }
399485d22bbfSMahesh Rajashekhara } else
399585d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
399685d22bbfSMahesh Rajashekhara
399785d22bbfSMahesh Rajashekhara /* Check for command underflow */
399885d22bbfSMahesh Rajashekhara if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
399985d22bbfSMahesh Rajashekhara printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
400085d22bbfSMahesh Rajashekhara byte_count, scsicmd->underflow);
400185d22bbfSMahesh Rajashekhara }
400285d22bbfSMahesh Rajashekhara
400385d22bbfSMahesh Rajashekhara return byte_count;
400485d22bbfSMahesh Rajashekhara }
400585d22bbfSMahesh Rajashekhara
aac_convert_sgraw2(struct aac_raw_io2 * rio2,int pages,int nseg,int nseg_new)400685d22bbfSMahesh Rajashekhara static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
400785d22bbfSMahesh Rajashekhara {
400885d22bbfSMahesh Rajashekhara struct sge_ieee1212 *sge;
400985d22bbfSMahesh Rajashekhara int i, j, pos;
401085d22bbfSMahesh Rajashekhara u32 addr_low;
401185d22bbfSMahesh Rajashekhara
401285d22bbfSMahesh Rajashekhara if (aac_convert_sgl == 0)
401385d22bbfSMahesh Rajashekhara return 0;
401485d22bbfSMahesh Rajashekhara
401539107e85SGustavo A. R. Silva sge = kmalloc_array(nseg_new, sizeof(*sge), GFP_ATOMIC);
401685d22bbfSMahesh Rajashekhara if (sge == NULL)
401796676246SNikola Pajkovsky return -ENOMEM;
401885d22bbfSMahesh Rajashekhara
401985d22bbfSMahesh Rajashekhara for (i = 1, pos = 1; i < nseg-1; ++i) {
402085d22bbfSMahesh Rajashekhara for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
402185d22bbfSMahesh Rajashekhara addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
402285d22bbfSMahesh Rajashekhara sge[pos].addrLow = addr_low;
402385d22bbfSMahesh Rajashekhara sge[pos].addrHigh = rio2->sge[i].addrHigh;
402485d22bbfSMahesh Rajashekhara if (addr_low < rio2->sge[i].addrLow)
402585d22bbfSMahesh Rajashekhara sge[pos].addrHigh++;
402685d22bbfSMahesh Rajashekhara sge[pos].length = pages * PAGE_SIZE;
402785d22bbfSMahesh Rajashekhara sge[pos].flags = 0;
402885d22bbfSMahesh Rajashekhara pos++;
402985d22bbfSMahesh Rajashekhara }
403085d22bbfSMahesh Rajashekhara }
403185d22bbfSMahesh Rajashekhara sge[pos] = rio2->sge[nseg-1];
403285d22bbfSMahesh Rajashekhara memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
403385d22bbfSMahesh Rajashekhara
403485d22bbfSMahesh Rajashekhara kfree(sge);
403585d22bbfSMahesh Rajashekhara rio2->sgeCnt = cpu_to_le32(nseg_new);
403685d22bbfSMahesh Rajashekhara rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
403785d22bbfSMahesh Rajashekhara rio2->sgeNominalSize = pages * PAGE_SIZE;
403885d22bbfSMahesh Rajashekhara return 0;
403985d22bbfSMahesh Rajashekhara }
404085d22bbfSMahesh Rajashekhara
aac_build_sghba(struct scsi_cmnd * scsicmd,struct aac_hba_cmd_req * hbacmd,int sg_max,u64 sg_address)4041ab5d129fSRaghava Aditya Renukunta static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4042ab5d129fSRaghava Aditya Renukunta struct aac_hba_cmd_req *hbacmd,
4043ab5d129fSRaghava Aditya Renukunta int sg_max,
4044ab5d129fSRaghava Aditya Renukunta u64 sg_address)
4045ab5d129fSRaghava Aditya Renukunta {
4046ab5d129fSRaghava Aditya Renukunta unsigned long byte_count = 0;
4047ab5d129fSRaghava Aditya Renukunta int nseg;
4048ab5d129fSRaghava Aditya Renukunta struct scatterlist *sg;
4049ab5d129fSRaghava Aditya Renukunta int i;
4050ab5d129fSRaghava Aditya Renukunta u32 cur_size;
4051ab5d129fSRaghava Aditya Renukunta struct aac_hba_sgl *sge;
4052ab5d129fSRaghava Aditya Renukunta
4053ab5d129fSRaghava Aditya Renukunta nseg = scsi_dma_map(scsicmd);
4054ab5d129fSRaghava Aditya Renukunta if (nseg <= 0) {
4055ab5d129fSRaghava Aditya Renukunta byte_count = nseg;
4056ab5d129fSRaghava Aditya Renukunta goto out;
4057ab5d129fSRaghava Aditya Renukunta }
4058ab5d129fSRaghava Aditya Renukunta
4059ab5d129fSRaghava Aditya Renukunta if (nseg > HBA_MAX_SG_EMBEDDED)
4060ab5d129fSRaghava Aditya Renukunta sge = &hbacmd->sge[2];
4061ab5d129fSRaghava Aditya Renukunta else
4062ab5d129fSRaghava Aditya Renukunta sge = &hbacmd->sge[0];
4063ab5d129fSRaghava Aditya Renukunta
4064ab5d129fSRaghava Aditya Renukunta scsi_for_each_sg(scsicmd, sg, nseg, i) {
4065ab5d129fSRaghava Aditya Renukunta int count = sg_dma_len(sg);
4066ab5d129fSRaghava Aditya Renukunta u64 addr = sg_dma_address(sg);
4067ab5d129fSRaghava Aditya Renukunta
4068ab5d129fSRaghava Aditya Renukunta WARN_ON(i >= sg_max);
4069ab5d129fSRaghava Aditya Renukunta sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4070ab5d129fSRaghava Aditya Renukunta sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4071ab5d129fSRaghava Aditya Renukunta cur_size = cpu_to_le32(count);
4072ab5d129fSRaghava Aditya Renukunta sge->len = cur_size;
4073ab5d129fSRaghava Aditya Renukunta sge->flags = 0;
4074ab5d129fSRaghava Aditya Renukunta byte_count += count;
4075ab5d129fSRaghava Aditya Renukunta sge++;
4076ab5d129fSRaghava Aditya Renukunta }
4077ab5d129fSRaghava Aditya Renukunta
4078ab5d129fSRaghava Aditya Renukunta sge--;
4079ab5d129fSRaghava Aditya Renukunta /* hba wants the size to be exact */
4080ab5d129fSRaghava Aditya Renukunta if (byte_count > scsi_bufflen(scsicmd)) {
4081ab5d129fSRaghava Aditya Renukunta u32 temp;
4082ab5d129fSRaghava Aditya Renukunta
4083ab5d129fSRaghava Aditya Renukunta temp = le32_to_cpu(sge->len) - byte_count
4084ab5d129fSRaghava Aditya Renukunta - scsi_bufflen(scsicmd);
4085ab5d129fSRaghava Aditya Renukunta sge->len = cpu_to_le32(temp);
4086ab5d129fSRaghava Aditya Renukunta byte_count = scsi_bufflen(scsicmd);
4087ab5d129fSRaghava Aditya Renukunta }
4088ab5d129fSRaghava Aditya Renukunta
4089ab5d129fSRaghava Aditya Renukunta if (nseg <= HBA_MAX_SG_EMBEDDED) {
4090ab5d129fSRaghava Aditya Renukunta hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4091ab5d129fSRaghava Aditya Renukunta sge->flags = cpu_to_le32(0x40000000);
4092ab5d129fSRaghava Aditya Renukunta } else {
4093ab5d129fSRaghava Aditya Renukunta /* not embedded */
4094ab5d129fSRaghava Aditya Renukunta hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4095ab5d129fSRaghava Aditya Renukunta hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4096ab5d129fSRaghava Aditya Renukunta hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4097ab5d129fSRaghava Aditya Renukunta hbacmd->sge[0].addr_lo =
4098ab5d129fSRaghava Aditya Renukunta cpu_to_le32((u32)(sg_address & 0xffffffff));
4099ab5d129fSRaghava Aditya Renukunta }
4100ab5d129fSRaghava Aditya Renukunta
4101ab5d129fSRaghava Aditya Renukunta /* Check for command underflow */
4102ab5d129fSRaghava Aditya Renukunta if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4103ab5d129fSRaghava Aditya Renukunta pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4104ab5d129fSRaghava Aditya Renukunta byte_count, scsicmd->underflow);
4105ab5d129fSRaghava Aditya Renukunta }
4106ab5d129fSRaghava Aditya Renukunta out:
4107ab5d129fSRaghava Aditya Renukunta return byte_count;
4108ab5d129fSRaghava Aditya Renukunta }
4109ab5d129fSRaghava Aditya Renukunta
41101da177e4SLinus Torvalds #ifdef AAC_DETAILED_STATUS_INFO
41111da177e4SLinus Torvalds
41121da177e4SLinus Torvalds struct aac_srb_status_info {
41131da177e4SLinus Torvalds u32 status;
41141da177e4SLinus Torvalds char *str;
41151da177e4SLinus Torvalds };
41161da177e4SLinus Torvalds
41171da177e4SLinus Torvalds
41181da177e4SLinus Torvalds static struct aac_srb_status_info srb_status_info[] = {
41191da177e4SLinus Torvalds { SRB_STATUS_PENDING, "Pending Status"},
41201da177e4SLinus Torvalds { SRB_STATUS_SUCCESS, "Success"},
41211da177e4SLinus Torvalds { SRB_STATUS_ABORTED, "Aborted Command"},
41221da177e4SLinus Torvalds { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
41231da177e4SLinus Torvalds { SRB_STATUS_ERROR, "Error Event"},
41241da177e4SLinus Torvalds { SRB_STATUS_BUSY, "Device Busy"},
41251da177e4SLinus Torvalds { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
41261da177e4SLinus Torvalds { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
41271da177e4SLinus Torvalds { SRB_STATUS_NO_DEVICE, "No Device"},
41281da177e4SLinus Torvalds { SRB_STATUS_TIMEOUT, "Timeout"},
41291da177e4SLinus Torvalds { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
41301da177e4SLinus Torvalds { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
41311da177e4SLinus Torvalds { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
41321da177e4SLinus Torvalds { SRB_STATUS_BUS_RESET, "Bus Reset"},
41331da177e4SLinus Torvalds { SRB_STATUS_PARITY_ERROR, "Parity Error"},
41341da177e4SLinus Torvalds { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
41351da177e4SLinus Torvalds { SRB_STATUS_NO_HBA, "No HBA"},
41361da177e4SLinus Torvalds { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
41371da177e4SLinus Torvalds { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
41381da177e4SLinus Torvalds { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
41391da177e4SLinus Torvalds { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
41401da177e4SLinus Torvalds { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
41411da177e4SLinus Torvalds { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
41421da177e4SLinus Torvalds { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
41431da177e4SLinus Torvalds { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
41441da177e4SLinus Torvalds { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
41451da177e4SLinus Torvalds { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
41461da177e4SLinus Torvalds { SRB_STATUS_NOT_STARTED, "Not Started"},
41471da177e4SLinus Torvalds { SRB_STATUS_NOT_IN_USE, "Not In Use"},
41481da177e4SLinus Torvalds { SRB_STATUS_FORCE_ABORT, "Force Abort"},
41491da177e4SLinus Torvalds { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
41501da177e4SLinus Torvalds { 0xff, "Unknown Error"}
41511da177e4SLinus Torvalds };
41521da177e4SLinus Torvalds
aac_get_status_string(u32 status)41531da177e4SLinus Torvalds char *aac_get_status_string(u32 status)
41541da177e4SLinus Torvalds {
41551da177e4SLinus Torvalds int i;
41561da177e4SLinus Torvalds
41576391a113STobias Klauser for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
41586391a113STobias Klauser if (srb_status_info[i].status == status)
41591da177e4SLinus Torvalds return srb_status_info[i].str;
41601da177e4SLinus Torvalds
41611da177e4SLinus Torvalds return "Bad Status Code";
41621da177e4SLinus Torvalds }
41631da177e4SLinus Torvalds
41641da177e4SLinus Torvalds #endif
4165