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Viewing changes to drivers/scsi/aacraid/aachba.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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drivers/scsi/aacraid/aachba.c
 
1
/*
 
2
 *      Adaptec AAC series RAID controller driver
 
3
 *      (c) Copyright 2001 Red Hat Inc.
 
4
 *
 
5
 * based on the old aacraid driver that is..
 
6
 * Adaptec aacraid device driver for Linux.
 
7
 *
 
8
 * Copyright (c) 2000-2010 Adaptec, Inc.
 
9
 *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
 
10
 *
 
11
 * This program is free software; you can redistribute it and/or modify
 
12
 * it under the terms of the GNU General Public License as published by
 
13
 * the Free Software Foundation; either version 2, or (at your option)
 
14
 * any later version.
 
15
 *
 
16
 * This program is distributed in the hope that it will be useful,
 
17
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
18
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
19
 * GNU General Public License for more details.
 
20
 *
 
21
 * You should have received a copy of the GNU General Public License
 
22
 * along with this program; see the file COPYING.  If not, write to
 
23
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 
24
 *
 
25
 */
 
26
 
 
27
#include <linux/kernel.h>
 
28
#include <linux/init.h>
 
29
#include <linux/types.h>
 
30
#include <linux/pci.h>
 
31
#include <linux/spinlock.h>
 
32
#include <linux/slab.h>
 
33
#include <linux/completion.h>
 
34
#include <linux/blkdev.h>
 
35
#include <asm/uaccess.h>
 
36
#include <linux/highmem.h> /* For flush_kernel_dcache_page */
 
37
#include <linux/module.h>
 
38
 
 
39
#include <scsi/scsi.h>
 
40
#include <scsi/scsi_cmnd.h>
 
41
#include <scsi/scsi_device.h>
 
42
#include <scsi/scsi_host.h>
 
43
 
 
44
#include "aacraid.h"
 
45
 
 
46
/* values for inqd_pdt: Peripheral device type in plain English */
 
47
#define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
 
48
#define INQD_PDT_PROC   0x03    /* Processor device */
 
49
#define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
 
50
#define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
 
51
#define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
 
52
#define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
 
53
 
 
54
#define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
 
55
#define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
 
56
 
 
57
/*
 
58
 *      Sense codes
 
59
 */
 
60
 
 
61
#define SENCODE_NO_SENSE                        0x00
 
62
#define SENCODE_END_OF_DATA                     0x00
 
63
#define SENCODE_BECOMING_READY                  0x04
 
64
#define SENCODE_INIT_CMD_REQUIRED               0x04
 
65
#define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
 
66
#define SENCODE_INVALID_COMMAND                 0x20
 
67
#define SENCODE_LBA_OUT_OF_RANGE                0x21
 
68
#define SENCODE_INVALID_CDB_FIELD               0x24
 
69
#define SENCODE_LUN_NOT_SUPPORTED               0x25
 
70
#define SENCODE_INVALID_PARAM_FIELD             0x26
 
71
#define SENCODE_PARAM_NOT_SUPPORTED             0x26
 
72
#define SENCODE_PARAM_VALUE_INVALID             0x26
 
73
#define SENCODE_RESET_OCCURRED                  0x29
 
74
#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
 
75
#define SENCODE_INQUIRY_DATA_CHANGED            0x3F
 
76
#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
 
77
#define SENCODE_DIAGNOSTIC_FAILURE              0x40
 
78
#define SENCODE_INTERNAL_TARGET_FAILURE         0x44
 
79
#define SENCODE_INVALID_MESSAGE_ERROR           0x49
 
80
#define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
 
81
#define SENCODE_OVERLAPPED_COMMAND              0x4E
 
82
 
 
83
/*
 
84
 *      Additional sense codes
 
85
 */
 
86
 
 
87
#define ASENCODE_NO_SENSE                       0x00
 
88
#define ASENCODE_END_OF_DATA                    0x05
 
89
#define ASENCODE_BECOMING_READY                 0x01
 
90
#define ASENCODE_INIT_CMD_REQUIRED              0x02
 
91
#define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
 
92
#define ASENCODE_INVALID_COMMAND                0x00
 
93
#define ASENCODE_LBA_OUT_OF_RANGE               0x00
 
94
#define ASENCODE_INVALID_CDB_FIELD              0x00
 
95
#define ASENCODE_LUN_NOT_SUPPORTED              0x00
 
96
#define ASENCODE_INVALID_PARAM_FIELD            0x00
 
97
#define ASENCODE_PARAM_NOT_SUPPORTED            0x01
 
98
#define ASENCODE_PARAM_VALUE_INVALID            0x02
 
99
#define ASENCODE_RESET_OCCURRED                 0x00
 
100
#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 
101
#define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 
102
#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 
103
#define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 
104
#define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 
105
#define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 
106
#define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 
107
#define ASENCODE_OVERLAPPED_COMMAND             0x00
 
108
 
 
109
#define BYTE0(x) (unsigned char)(x)
 
110
#define BYTE1(x) (unsigned char)((x) >> 8)
 
111
#define BYTE2(x) (unsigned char)((x) >> 16)
 
112
#define BYTE3(x) (unsigned char)((x) >> 24)
 
113
 
 
114
/*------------------------------------------------------------------------------
 
115
 *              S T R U C T S / T Y P E D E F S
 
116
 *----------------------------------------------------------------------------*/
 
117
/* SCSI inquiry data */
 
118
struct inquiry_data {
 
119
        u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 
120
        u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 
121
        u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 
122
        u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 
123
        u8 inqd_len;    /* Additional length (n-4) */
 
124
        u8 inqd_pad1[2];/* Reserved - must be zero */
 
125
        u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 
126
        u8 inqd_vid[8]; /* Vendor ID */
 
127
        u8 inqd_pid[16];/* Product ID */
 
128
        u8 inqd_prl[4]; /* Product Revision Level */
 
129
};
 
130
 
 
131
/*
 
132
 *              M O D U L E   G L O B A L S
 
133
 */
 
134
 
 
135
static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 
136
static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 
137
static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 
138
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 
139
#ifdef AAC_DETAILED_STATUS_INFO
 
140
static char *aac_get_status_string(u32 status);
 
141
#endif
 
142
 
 
143
/*
 
144
 *      Non dasd selection is handled entirely in aachba now
 
145
 */
 
146
 
 
147
static int nondasd = -1;
 
148
static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 
149
static int dacmode = -1;
 
150
int aac_msi;
 
151
int aac_commit = -1;
 
152
int startup_timeout = 180;
 
153
int aif_timeout = 120;
 
154
 
 
155
module_param(nondasd, int, S_IRUGO|S_IWUSR);
 
156
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 
157
        " 0=off, 1=on");
 
158
module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 
159
MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 
160
        "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 
161
        "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 
162
        "\tbit 2 - Disable only if Battery is protecting Cache");
 
163
module_param(dacmode, int, S_IRUGO|S_IWUSR);
 
164
MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 
165
        " 0=off, 1=on");
 
166
module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 
167
MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 
168
        " adapter for foreign arrays.\n"
 
169
        "This is typically needed in systems that do not have a BIOS."
 
170
        " 0=off, 1=on");
 
171
module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 
172
MODULE_PARM_DESC(msi, "IRQ handling."
 
173
        " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 
174
module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 
175
MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 
176
        " adapter to have it's kernel up and\n"
 
177
        "running. This is typically adjusted for large systems that do not"
 
178
        " have a BIOS.");
 
179
module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 
180
MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 
181
        " applications to pick up AIFs before\n"
 
182
        "deregistering them. This is typically adjusted for heavily burdened"
 
183
        " systems.");
 
184
 
 
185
int numacb = -1;
 
186
module_param(numacb, int, S_IRUGO|S_IWUSR);
 
187
MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 
188
        " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 
189
        " to use suggestion from Firmware.");
 
190
 
 
191
int acbsize = -1;
 
192
module_param(acbsize, int, S_IRUGO|S_IWUSR);
 
193
MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 
194
        " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 
195
        " suggestion from Firmware.");
 
196
 
 
197
int update_interval = 30 * 60;
 
198
module_param(update_interval, int, S_IRUGO|S_IWUSR);
 
199
MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 
200
        " updates issued to adapter.");
 
201
 
 
202
int check_interval = 24 * 60 * 60;
 
203
module_param(check_interval, int, S_IRUGO|S_IWUSR);
 
204
MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 
205
        " checks.");
 
206
 
 
207
int aac_check_reset = 1;
 
208
module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 
209
MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 
210
        " adapter. a value of -1 forces the reset to adapters programmed to"
 
211
        " ignore it.");
 
212
 
 
213
int expose_physicals = -1;
 
214
module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 
215
MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 
216
        " -1=protect 0=off, 1=on");
 
217
 
 
218
int aac_reset_devices;
 
219
module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 
220
MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 
221
 
 
222
int aac_wwn = 1;
 
223
module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 
224
MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 
225
        "\t0 - Disable\n"
 
226
        "\t1 - Array Meta Data Signature (default)\n"
 
227
        "\t2 - Adapter Serial Number");
 
228
 
 
229
 
 
230
static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 
231
                struct fib *fibptr) {
 
232
        struct scsi_device *device;
 
233
 
 
234
        if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 
235
                dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 
236
                aac_fib_complete(fibptr);
 
237
                aac_fib_free(fibptr);
 
238
                return 0;
 
239
        }
 
240
        scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
241
        device = scsicmd->device;
 
242
        if (unlikely(!device || !scsi_device_online(device))) {
 
243
                dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 
244
                aac_fib_complete(fibptr);
 
245
                aac_fib_free(fibptr);
 
246
                return 0;
 
247
        }
 
248
        return 1;
 
249
}
 
250
 
 
251
/**
 
252
 *      aac_get_config_status   -       check the adapter configuration
 
253
 *      @common: adapter to query
 
254
 *
 
255
 *      Query config status, and commit the configuration if needed.
 
256
 */
 
257
int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 
258
{
 
259
        int status = 0;
 
260
        struct fib * fibptr;
 
261
 
 
262
        if (!(fibptr = aac_fib_alloc(dev)))
 
263
                return -ENOMEM;
 
264
 
 
265
        aac_fib_init(fibptr);
 
266
        {
 
267
                struct aac_get_config_status *dinfo;
 
268
                dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 
269
 
 
270
                dinfo->command = cpu_to_le32(VM_ContainerConfig);
 
271
                dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 
272
                dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 
273
        }
 
274
 
 
275
        status = aac_fib_send(ContainerCommand,
 
276
                            fibptr,
 
277
                            sizeof (struct aac_get_config_status),
 
278
                            FsaNormal,
 
279
                            1, 1,
 
280
                            NULL, NULL);
 
281
        if (status < 0) {
 
282
                printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 
283
        } else {
 
284
                struct aac_get_config_status_resp *reply
 
285
                  = (struct aac_get_config_status_resp *) fib_data(fibptr);
 
286
                dprintk((KERN_WARNING
 
287
                  "aac_get_config_status: response=%d status=%d action=%d\n",
 
288
                  le32_to_cpu(reply->response),
 
289
                  le32_to_cpu(reply->status),
 
290
                  le32_to_cpu(reply->data.action)));
 
291
                if ((le32_to_cpu(reply->response) != ST_OK) ||
 
292
                     (le32_to_cpu(reply->status) != CT_OK) ||
 
293
                     (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 
294
                        printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 
295
                        status = -EINVAL;
 
296
                }
 
297
        }
 
298
        /* Do not set XferState to zero unless receives a response from F/W */
 
299
        if (status >= 0)
 
300
                aac_fib_complete(fibptr);
 
301
 
 
302
        /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 
303
        if (status >= 0) {
 
304
                if ((aac_commit == 1) || commit_flag) {
 
305
                        struct aac_commit_config * dinfo;
 
306
                        aac_fib_init(fibptr);
 
307
                        dinfo = (struct aac_commit_config *) fib_data(fibptr);
 
308
 
 
309
                        dinfo->command = cpu_to_le32(VM_ContainerConfig);
 
310
                        dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 
311
 
 
312
                        status = aac_fib_send(ContainerCommand,
 
313
                                    fibptr,
 
314
                                    sizeof (struct aac_commit_config),
 
315
                                    FsaNormal,
 
316
                                    1, 1,
 
317
                                    NULL, NULL);
 
318
                        /* Do not set XferState to zero unless
 
319
                         * receives a response from F/W */
 
320
                        if (status >= 0)
 
321
                                aac_fib_complete(fibptr);
 
322
                } else if (aac_commit == 0) {
 
323
                        printk(KERN_WARNING
 
324
                          "aac_get_config_status: Foreign device configurations are being ignored\n");
 
325
                }
 
326
        }
 
327
        /* FIB should be freed only after getting the response from the F/W */
 
328
        if (status != -ERESTARTSYS)
 
329
                aac_fib_free(fibptr);
 
330
        return status;
 
331
}
 
332
 
 
333
static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 
334
{
 
335
        char inq_data;
 
336
        scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 
337
        if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 
338
                inq_data &= 0xdf;
 
339
                scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 
340
        }
 
341
}
 
342
 
 
343
/**
 
344
 *      aac_get_containers      -       list containers
 
345
 *      @common: adapter to probe
 
346
 *
 
347
 *      Make a list of all containers on this controller
 
348
 */
 
349
int aac_get_containers(struct aac_dev *dev)
 
350
{
 
351
        struct fsa_dev_info *fsa_dev_ptr;
 
352
        u32 index;
 
353
        int status = 0;
 
354
        struct fib * fibptr;
 
355
        struct aac_get_container_count *dinfo;
 
356
        struct aac_get_container_count_resp *dresp;
 
357
        int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 
358
 
 
359
        if (!(fibptr = aac_fib_alloc(dev)))
 
360
                return -ENOMEM;
 
361
 
 
362
        aac_fib_init(fibptr);
 
363
        dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 
364
        dinfo->command = cpu_to_le32(VM_ContainerConfig);
 
365
        dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 
366
 
 
367
        status = aac_fib_send(ContainerCommand,
 
368
                    fibptr,
 
369
                    sizeof (struct aac_get_container_count),
 
370
                    FsaNormal,
 
371
                    1, 1,
 
372
                    NULL, NULL);
 
373
        if (status >= 0) {
 
374
                dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 
375
                maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 
376
                aac_fib_complete(fibptr);
 
377
        }
 
378
        /* FIB should be freed only after getting the response from the F/W */
 
379
        if (status != -ERESTARTSYS)
 
380
                aac_fib_free(fibptr);
 
381
 
 
382
        if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 
383
                maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 
384
        fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 
385
                        GFP_KERNEL);
 
386
        if (!fsa_dev_ptr)
 
387
                return -ENOMEM;
 
388
 
 
389
        dev->fsa_dev = fsa_dev_ptr;
 
390
        dev->maximum_num_containers = maximum_num_containers;
 
391
 
 
392
        for (index = 0; index < dev->maximum_num_containers; ) {
 
393
                fsa_dev_ptr[index].devname[0] = '\0';
 
394
 
 
395
                status = aac_probe_container(dev, index);
 
396
 
 
397
                if (status < 0) {
 
398
                        printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 
399
                        break;
 
400
                }
 
401
 
 
402
                /*
 
403
                 *      If there are no more containers, then stop asking.
 
404
                 */
 
405
                if (++index >= status)
 
406
                        break;
 
407
        }
 
408
        return status;
 
409
}
 
410
 
 
411
static void get_container_name_callback(void *context, struct fib * fibptr)
 
412
{
 
413
        struct aac_get_name_resp * get_name_reply;
 
414
        struct scsi_cmnd * scsicmd;
 
415
 
 
416
        scsicmd = (struct scsi_cmnd *) context;
 
417
 
 
418
        if (!aac_valid_context(scsicmd, fibptr))
 
419
                return;
 
420
 
 
421
        dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 
422
        BUG_ON(fibptr == NULL);
 
423
 
 
424
        get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 
425
        /* Failure is irrelevant, using default value instead */
 
426
        if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 
427
         && (get_name_reply->data[0] != '\0')) {
 
428
                char *sp = get_name_reply->data;
 
429
                sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 
430
                while (*sp == ' ')
 
431
                        ++sp;
 
432
                if (*sp) {
 
433
                        struct inquiry_data inq;
 
434
                        char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 
435
                        int count = sizeof(d);
 
436
                        char *dp = d;
 
437
                        do {
 
438
                                *dp++ = (*sp) ? *sp++ : ' ';
 
439
                        } while (--count > 0);
 
440
 
 
441
                        scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 
442
                        memcpy(inq.inqd_pid, d, sizeof(d));
 
443
                        scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 
444
                }
 
445
        }
 
446
 
 
447
        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
448
 
 
449
        aac_fib_complete(fibptr);
 
450
        aac_fib_free(fibptr);
 
451
        scsicmd->scsi_done(scsicmd);
 
452
}
 
453
 
 
454
/**
 
455
 *      aac_get_container_name  -       get container name, none blocking.
 
456
 */
 
457
static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 
458
{
 
459
        int status;
 
460
        struct aac_get_name *dinfo;
 
461
        struct fib * cmd_fibcontext;
 
462
        struct aac_dev * dev;
 
463
 
 
464
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
465
 
 
466
        if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 
467
                return -ENOMEM;
 
468
 
 
469
        aac_fib_init(cmd_fibcontext);
 
470
        dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 
471
 
 
472
        dinfo->command = cpu_to_le32(VM_ContainerConfig);
 
473
        dinfo->type = cpu_to_le32(CT_READ_NAME);
 
474
        dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 
475
        dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 
476
 
 
477
        status = aac_fib_send(ContainerCommand,
 
478
                  cmd_fibcontext,
 
479
                  sizeof (struct aac_get_name),
 
480
                  FsaNormal,
 
481
                  0, 1,
 
482
                  (fib_callback)get_container_name_callback,
 
483
                  (void *) scsicmd);
 
484
 
 
485
        /*
 
486
         *      Check that the command queued to the controller
 
487
         */
 
488
        if (status == -EINPROGRESS) {
 
489
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
490
                return 0;
 
491
        }
 
492
 
 
493
        printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 
494
        aac_fib_complete(cmd_fibcontext);
 
495
        aac_fib_free(cmd_fibcontext);
 
496
        return -1;
 
497
}
 
498
 
 
499
static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 
500
{
 
501
        struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 
502
 
 
503
        if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 
504
                return aac_scsi_cmd(scsicmd);
 
505
 
 
506
        scsicmd->result = DID_NO_CONNECT << 16;
 
507
        scsicmd->scsi_done(scsicmd);
 
508
        return 0;
 
509
}
 
510
 
 
511
static void _aac_probe_container2(void * context, struct fib * fibptr)
 
512
{
 
513
        struct fsa_dev_info *fsa_dev_ptr;
 
514
        int (*callback)(struct scsi_cmnd *);
 
515
        struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 
516
 
 
517
 
 
518
        if (!aac_valid_context(scsicmd, fibptr))
 
519
                return;
 
520
 
 
521
        scsicmd->SCp.Status = 0;
 
522
        fsa_dev_ptr = fibptr->dev->fsa_dev;
 
523
        if (fsa_dev_ptr) {
 
524
                struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 
525
                fsa_dev_ptr += scmd_id(scsicmd);
 
526
 
 
527
                if ((le32_to_cpu(dresp->status) == ST_OK) &&
 
528
                    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 
529
                    (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 
530
                        fsa_dev_ptr->valid = 1;
 
531
                        /* sense_key holds the current state of the spin-up */
 
532
                        if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 
533
                                fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 
534
                        else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 
535
                                fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 
536
                        fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 
537
                        fsa_dev_ptr->size
 
538
                          = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 
539
                            (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 
540
                        fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 
541
                }
 
542
                if ((fsa_dev_ptr->valid & 1) == 0)
 
543
                        fsa_dev_ptr->valid = 0;
 
544
                scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 
545
        }
 
546
        aac_fib_complete(fibptr);
 
547
        aac_fib_free(fibptr);
 
548
        callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 
549
        scsicmd->SCp.ptr = NULL;
 
550
        (*callback)(scsicmd);
 
551
        return;
 
552
}
 
553
 
 
554
static void _aac_probe_container1(void * context, struct fib * fibptr)
 
555
{
 
556
        struct scsi_cmnd * scsicmd;
 
557
        struct aac_mount * dresp;
 
558
        struct aac_query_mount *dinfo;
 
559
        int status;
 
560
 
 
561
        dresp = (struct aac_mount *) fib_data(fibptr);
 
562
        dresp->mnt[0].capacityhigh = 0;
 
563
        if ((le32_to_cpu(dresp->status) != ST_OK) ||
 
564
            (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 
565
                _aac_probe_container2(context, fibptr);
 
566
                return;
 
567
        }
 
568
        scsicmd = (struct scsi_cmnd *) context;
 
569
 
 
570
        if (!aac_valid_context(scsicmd, fibptr))
 
571
                return;
 
572
 
 
573
        aac_fib_init(fibptr);
 
574
 
 
575
        dinfo = (struct aac_query_mount *)fib_data(fibptr);
 
576
 
 
577
        dinfo->command = cpu_to_le32(VM_NameServe64);
 
578
        dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 
579
        dinfo->type = cpu_to_le32(FT_FILESYS);
 
580
 
 
581
        status = aac_fib_send(ContainerCommand,
 
582
                          fibptr,
 
583
                          sizeof(struct aac_query_mount),
 
584
                          FsaNormal,
 
585
                          0, 1,
 
586
                          _aac_probe_container2,
 
587
                          (void *) scsicmd);
 
588
        /*
 
589
         *      Check that the command queued to the controller
 
590
         */
 
591
        if (status == -EINPROGRESS)
 
592
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
593
        else if (status < 0) {
 
594
                /* Inherit results from VM_NameServe, if any */
 
595
                dresp->status = cpu_to_le32(ST_OK);
 
596
                _aac_probe_container2(context, fibptr);
 
597
        }
 
598
}
 
599
 
 
600
static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 
601
{
 
602
        struct fib * fibptr;
 
603
        int status = -ENOMEM;
 
604
 
 
605
        if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 
606
                struct aac_query_mount *dinfo;
 
607
 
 
608
                aac_fib_init(fibptr);
 
609
 
 
610
                dinfo = (struct aac_query_mount *)fib_data(fibptr);
 
611
 
 
612
                dinfo->command = cpu_to_le32(VM_NameServe);
 
613
                dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 
614
                dinfo->type = cpu_to_le32(FT_FILESYS);
 
615
                scsicmd->SCp.ptr = (char *)callback;
 
616
 
 
617
                status = aac_fib_send(ContainerCommand,
 
618
                          fibptr,
 
619
                          sizeof(struct aac_query_mount),
 
620
                          FsaNormal,
 
621
                          0, 1,
 
622
                          _aac_probe_container1,
 
623
                          (void *) scsicmd);
 
624
                /*
 
625
                 *      Check that the command queued to the controller
 
626
                 */
 
627
                if (status == -EINPROGRESS) {
 
628
                        scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
629
                        return 0;
 
630
                }
 
631
                if (status < 0) {
 
632
                        scsicmd->SCp.ptr = NULL;
 
633
                        aac_fib_complete(fibptr);
 
634
                        aac_fib_free(fibptr);
 
635
                }
 
636
        }
 
637
        if (status < 0) {
 
638
                struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 
639
                if (fsa_dev_ptr) {
 
640
                        fsa_dev_ptr += scmd_id(scsicmd);
 
641
                        if ((fsa_dev_ptr->valid & 1) == 0) {
 
642
                                fsa_dev_ptr->valid = 0;
 
643
                                return (*callback)(scsicmd);
 
644
                        }
 
645
                }
 
646
        }
 
647
        return status;
 
648
}
 
649
 
 
650
/**
 
651
 *      aac_probe_container             -       query a logical volume
 
652
 *      @dev: device to query
 
653
 *      @cid: container identifier
 
654
 *
 
655
 *      Queries the controller about the given volume. The volume information
 
656
 *      is updated in the struct fsa_dev_info structure rather than returned.
 
657
 */
 
658
static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 
659
{
 
660
        scsicmd->device = NULL;
 
661
        return 0;
 
662
}
 
663
 
 
664
int aac_probe_container(struct aac_dev *dev, int cid)
 
665
{
 
666
        struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 
667
        struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 
668
        int status;
 
669
 
 
670
        if (!scsicmd || !scsidev) {
 
671
                kfree(scsicmd);
 
672
                kfree(scsidev);
 
673
                return -ENOMEM;
 
674
        }
 
675
        scsicmd->list.next = NULL;
 
676
        scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 
677
 
 
678
        scsicmd->device = scsidev;
 
679
        scsidev->sdev_state = 0;
 
680
        scsidev->id = cid;
 
681
        scsidev->host = dev->scsi_host_ptr;
 
682
 
 
683
        if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 
684
                while (scsicmd->device == scsidev)
 
685
                        schedule();
 
686
        kfree(scsidev);
 
687
        status = scsicmd->SCp.Status;
 
688
        kfree(scsicmd);
 
689
        return status;
 
690
}
 
691
 
 
692
/* Local Structure to set SCSI inquiry data strings */
 
693
struct scsi_inq {
 
694
        char vid[8];         /* Vendor ID */
 
695
        char pid[16];        /* Product ID */
 
696
        char prl[4];         /* Product Revision Level */
 
697
};
 
698
 
 
699
/**
 
700
 *      InqStrCopy      -       string merge
 
701
 *      @a:     string to copy from
 
702
 *      @b:     string to copy to
 
703
 *
 
704
 *      Copy a String from one location to another
 
705
 *      without copying \0
 
706
 */
 
707
 
 
708
static void inqstrcpy(char *a, char *b)
 
709
{
 
710
 
 
711
        while (*a != (char)0)
 
712
                *b++ = *a++;
 
713
}
 
714
 
 
715
static char *container_types[] = {
 
716
        "None",
 
717
        "Volume",
 
718
        "Mirror",
 
719
        "Stripe",
 
720
        "RAID5",
 
721
        "SSRW",
 
722
        "SSRO",
 
723
        "Morph",
 
724
        "Legacy",
 
725
        "RAID4",
 
726
        "RAID10",
 
727
        "RAID00",
 
728
        "V-MIRRORS",
 
729
        "PSEUDO R4",
 
730
        "RAID50",
 
731
        "RAID5D",
 
732
        "RAID5D0",
 
733
        "RAID1E",
 
734
        "RAID6",
 
735
        "RAID60",
 
736
        "Unknown"
 
737
};
 
738
 
 
739
char * get_container_type(unsigned tindex)
 
740
{
 
741
        if (tindex >= ARRAY_SIZE(container_types))
 
742
                tindex = ARRAY_SIZE(container_types) - 1;
 
743
        return container_types[tindex];
 
744
}
 
745
 
 
746
/* Function: setinqstr
 
747
 *
 
748
 * Arguments: [1] pointer to void [1] int
 
749
 *
 
750
 * Purpose: Sets SCSI inquiry data strings for vendor, product
 
751
 * and revision level. Allows strings to be set in platform dependent
 
752
 * files instead of in OS dependent driver source.
 
753
 */
 
754
 
 
755
static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 
756
{
 
757
        struct scsi_inq *str;
 
758
 
 
759
        str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 
760
        memset(str, ' ', sizeof(*str));
 
761
 
 
762
        if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 
763
                char * cp = dev->supplement_adapter_info.AdapterTypeText;
 
764
                int c;
 
765
                if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 
766
                        inqstrcpy("SMC", str->vid);
 
767
                else {
 
768
                        c = sizeof(str->vid);
 
769
                        while (*cp && *cp != ' ' && --c)
 
770
                                ++cp;
 
771
                        c = *cp;
 
772
                        *cp = '\0';
 
773
                        inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 
774
                                   str->vid);
 
775
                        *cp = c;
 
776
                        while (*cp && *cp != ' ')
 
777
                                ++cp;
 
778
                }
 
779
                while (*cp == ' ')
 
780
                        ++cp;
 
781
                /* last six chars reserved for vol type */
 
782
                c = 0;
 
783
                if (strlen(cp) > sizeof(str->pid)) {
 
784
                        c = cp[sizeof(str->pid)];
 
785
                        cp[sizeof(str->pid)] = '\0';
 
786
                }
 
787
                inqstrcpy (cp, str->pid);
 
788
                if (c)
 
789
                        cp[sizeof(str->pid)] = c;
 
790
        } else {
 
791
                struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 
792
 
 
793
                inqstrcpy (mp->vname, str->vid);
 
794
                /* last six chars reserved for vol type */
 
795
                inqstrcpy (mp->model, str->pid);
 
796
        }
 
797
 
 
798
        if (tindex < ARRAY_SIZE(container_types)){
 
799
                char *findit = str->pid;
 
800
 
 
801
                for ( ; *findit != ' '; findit++); /* walk till we find a space */
 
802
                /* RAID is superfluous in the context of a RAID device */
 
803
                if (memcmp(findit-4, "RAID", 4) == 0)
 
804
                        *(findit -= 4) = ' ';
 
805
                if (((findit - str->pid) + strlen(container_types[tindex]))
 
806
                 < (sizeof(str->pid) + sizeof(str->prl)))
 
807
                        inqstrcpy (container_types[tindex], findit + 1);
 
808
        }
 
809
        inqstrcpy ("V1.0", str->prl);
 
810
}
 
811
 
 
812
static void get_container_serial_callback(void *context, struct fib * fibptr)
 
813
{
 
814
        struct aac_get_serial_resp * get_serial_reply;
 
815
        struct scsi_cmnd * scsicmd;
 
816
 
 
817
        BUG_ON(fibptr == NULL);
 
818
 
 
819
        scsicmd = (struct scsi_cmnd *) context;
 
820
        if (!aac_valid_context(scsicmd, fibptr))
 
821
                return;
 
822
 
 
823
        get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 
824
        /* Failure is irrelevant, using default value instead */
 
825
        if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 
826
                char sp[13];
 
827
                /* EVPD bit set */
 
828
                sp[0] = INQD_PDT_DA;
 
829
                sp[1] = scsicmd->cmnd[2];
 
830
                sp[2] = 0;
 
831
                sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 
832
                  le32_to_cpu(get_serial_reply->uid));
 
833
                scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 
834
        }
 
835
 
 
836
        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
837
 
 
838
        aac_fib_complete(fibptr);
 
839
        aac_fib_free(fibptr);
 
840
        scsicmd->scsi_done(scsicmd);
 
841
}
 
842
 
 
843
/**
 
844
 *      aac_get_container_serial - get container serial, none blocking.
 
845
 */
 
846
static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 
847
{
 
848
        int status;
 
849
        struct aac_get_serial *dinfo;
 
850
        struct fib * cmd_fibcontext;
 
851
        struct aac_dev * dev;
 
852
 
 
853
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
854
 
 
855
        if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 
856
                return -ENOMEM;
 
857
 
 
858
        aac_fib_init(cmd_fibcontext);
 
859
        dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 
860
 
 
861
        dinfo->command = cpu_to_le32(VM_ContainerConfig);
 
862
        dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 
863
        dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 
864
 
 
865
        status = aac_fib_send(ContainerCommand,
 
866
                  cmd_fibcontext,
 
867
                  sizeof (struct aac_get_serial),
 
868
                  FsaNormal,
 
869
                  0, 1,
 
870
                  (fib_callback) get_container_serial_callback,
 
871
                  (void *) scsicmd);
 
872
 
 
873
        /*
 
874
         *      Check that the command queued to the controller
 
875
         */
 
876
        if (status == -EINPROGRESS) {
 
877
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
878
                return 0;
 
879
        }
 
880
 
 
881
        printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 
882
        aac_fib_complete(cmd_fibcontext);
 
883
        aac_fib_free(cmd_fibcontext);
 
884
        return -1;
 
885
}
 
886
 
 
887
/* Function: setinqserial
 
888
 *
 
889
 * Arguments: [1] pointer to void [1] int
 
890
 *
 
891
 * Purpose: Sets SCSI Unit Serial number.
 
892
 *          This is a fake. We should read a proper
 
893
 *          serial number from the container. <SuSE>But
 
894
 *          without docs it's quite hard to do it :-)
 
895
 *          So this will have to do in the meantime.</SuSE>
 
896
 */
 
897
 
 
898
static int setinqserial(struct aac_dev *dev, void *data, int cid)
 
899
{
 
900
        /*
 
901
         *      This breaks array migration.
 
902
         */
 
903
        return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 
904
                        le32_to_cpu(dev->adapter_info.serial[0]), cid);
 
905
}
 
906
 
 
907
static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
 
908
        u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
 
909
{
 
910
        u8 *sense_buf = (u8 *)sense_data;
 
911
        /* Sense data valid, err code 70h */
 
912
        sense_buf[0] = 0x70; /* No info field */
 
913
        sense_buf[1] = 0;       /* Segment number, always zero */
 
914
 
 
915
        sense_buf[2] = sense_key;       /* Sense key */
 
916
 
 
917
        sense_buf[12] = sense_code;     /* Additional sense code */
 
918
        sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 
919
 
 
920
        if (sense_key == ILLEGAL_REQUEST) {
 
921
                sense_buf[7] = 10;      /* Additional sense length */
 
922
 
 
923
                sense_buf[15] = bit_pointer;
 
924
                /* Illegal parameter is in the parameter block */
 
925
                if (sense_code == SENCODE_INVALID_CDB_FIELD)
 
926
                        sense_buf[15] |= 0xc0;/* Std sense key specific field */
 
927
                /* Illegal parameter is in the CDB block */
 
928
                sense_buf[16] = field_pointer >> 8;     /* MSB */
 
929
                sense_buf[17] = field_pointer;          /* LSB */
 
930
        } else
 
931
                sense_buf[7] = 6;       /* Additional sense length */
 
932
}
 
933
 
 
934
static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 
935
{
 
936
        if (lba & 0xffffffff00000000LL) {
 
937
                int cid = scmd_id(cmd);
 
938
                dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 
939
                cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
940
                        SAM_STAT_CHECK_CONDITION;
 
941
                set_sense(&dev->fsa_dev[cid].sense_data,
 
942
                  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 
943
                  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 
944
                memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
945
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
946
                             SCSI_SENSE_BUFFERSIZE));
 
947
                cmd->scsi_done(cmd);
 
948
                return 1;
 
949
        }
 
950
        return 0;
 
951
}
 
952
 
 
953
static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 
954
{
 
955
        return 0;
 
956
}
 
957
 
 
958
static void io_callback(void *context, struct fib * fibptr);
 
959
 
 
960
static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 
961
{
 
962
        u16 fibsize;
 
963
        struct aac_raw_io *readcmd;
 
964
        aac_fib_init(fib);
 
965
        readcmd = (struct aac_raw_io *) fib_data(fib);
 
966
        readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 
967
        readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 
968
        readcmd->count = cpu_to_le32(count<<9);
 
969
        readcmd->cid = cpu_to_le16(scmd_id(cmd));
 
970
        readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 
971
        readcmd->bpTotal = 0;
 
972
        readcmd->bpComplete = 0;
 
973
 
 
974
        aac_build_sgraw(cmd, &readcmd->sg);
 
975
        fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 
976
        BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 
977
        /*
 
978
         *      Now send the Fib to the adapter
 
979
         */
 
980
        return aac_fib_send(ContainerRawIo,
 
981
                          fib,
 
982
                          fibsize,
 
983
                          FsaNormal,
 
984
                          0, 1,
 
985
                          (fib_callback) io_callback,
 
986
                          (void *) cmd);
 
987
}
 
988
 
 
989
static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 
990
{
 
991
        u16 fibsize;
 
992
        struct aac_read64 *readcmd;
 
993
        aac_fib_init(fib);
 
994
        readcmd = (struct aac_read64 *) fib_data(fib);
 
995
        readcmd->command = cpu_to_le32(VM_CtHostRead64);
 
996
        readcmd->cid = cpu_to_le16(scmd_id(cmd));
 
997
        readcmd->sector_count = cpu_to_le16(count);
 
998
        readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 
999
        readcmd->pad   = 0;
 
1000
        readcmd->flags = 0;
 
1001
 
 
1002
        aac_build_sg64(cmd, &readcmd->sg);
 
1003
        fibsize = sizeof(struct aac_read64) +
 
1004
                ((le32_to_cpu(readcmd->sg.count) - 1) *
 
1005
                 sizeof (struct sgentry64));
 
1006
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1007
                                sizeof(struct aac_fibhdr)));
 
1008
        /*
 
1009
         *      Now send the Fib to the adapter
 
1010
         */
 
1011
        return aac_fib_send(ContainerCommand64,
 
1012
                          fib,
 
1013
                          fibsize,
 
1014
                          FsaNormal,
 
1015
                          0, 1,
 
1016
                          (fib_callback) io_callback,
 
1017
                          (void *) cmd);
 
1018
}
 
1019
 
 
1020
static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 
1021
{
 
1022
        u16 fibsize;
 
1023
        struct aac_read *readcmd;
 
1024
        aac_fib_init(fib);
 
1025
        readcmd = (struct aac_read *) fib_data(fib);
 
1026
        readcmd->command = cpu_to_le32(VM_CtBlockRead);
 
1027
        readcmd->cid = cpu_to_le32(scmd_id(cmd));
 
1028
        readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 
1029
        readcmd->count = cpu_to_le32(count * 512);
 
1030
 
 
1031
        aac_build_sg(cmd, &readcmd->sg);
 
1032
        fibsize = sizeof(struct aac_read) +
 
1033
                        ((le32_to_cpu(readcmd->sg.count) - 1) *
 
1034
                         sizeof (struct sgentry));
 
1035
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1036
                                sizeof(struct aac_fibhdr)));
 
1037
        /*
 
1038
         *      Now send the Fib to the adapter
 
1039
         */
 
1040
        return aac_fib_send(ContainerCommand,
 
1041
                          fib,
 
1042
                          fibsize,
 
1043
                          FsaNormal,
 
1044
                          0, 1,
 
1045
                          (fib_callback) io_callback,
 
1046
                          (void *) cmd);
 
1047
}
 
1048
 
 
1049
static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 
1050
{
 
1051
        u16 fibsize;
 
1052
        struct aac_raw_io *writecmd;
 
1053
        aac_fib_init(fib);
 
1054
        writecmd = (struct aac_raw_io *) fib_data(fib);
 
1055
        writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 
1056
        writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 
1057
        writecmd->count = cpu_to_le32(count<<9);
 
1058
        writecmd->cid = cpu_to_le16(scmd_id(cmd));
 
1059
        writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
 
1060
          (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
 
1061
                cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
 
1062
                cpu_to_le16(IO_TYPE_WRITE);
 
1063
        writecmd->bpTotal = 0;
 
1064
        writecmd->bpComplete = 0;
 
1065
 
 
1066
        aac_build_sgraw(cmd, &writecmd->sg);
 
1067
        fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
 
1068
        BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 
1069
        /*
 
1070
         *      Now send the Fib to the adapter
 
1071
         */
 
1072
        return aac_fib_send(ContainerRawIo,
 
1073
                          fib,
 
1074
                          fibsize,
 
1075
                          FsaNormal,
 
1076
                          0, 1,
 
1077
                          (fib_callback) io_callback,
 
1078
                          (void *) cmd);
 
1079
}
 
1080
 
 
1081
static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 
1082
{
 
1083
        u16 fibsize;
 
1084
        struct aac_write64 *writecmd;
 
1085
        aac_fib_init(fib);
 
1086
        writecmd = (struct aac_write64 *) fib_data(fib);
 
1087
        writecmd->command = cpu_to_le32(VM_CtHostWrite64);
 
1088
        writecmd->cid = cpu_to_le16(scmd_id(cmd));
 
1089
        writecmd->sector_count = cpu_to_le16(count);
 
1090
        writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 
1091
        writecmd->pad   = 0;
 
1092
        writecmd->flags = 0;
 
1093
 
 
1094
        aac_build_sg64(cmd, &writecmd->sg);
 
1095
        fibsize = sizeof(struct aac_write64) +
 
1096
                ((le32_to_cpu(writecmd->sg.count) - 1) *
 
1097
                 sizeof (struct sgentry64));
 
1098
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1099
                                sizeof(struct aac_fibhdr)));
 
1100
        /*
 
1101
         *      Now send the Fib to the adapter
 
1102
         */
 
1103
        return aac_fib_send(ContainerCommand64,
 
1104
                          fib,
 
1105
                          fibsize,
 
1106
                          FsaNormal,
 
1107
                          0, 1,
 
1108
                          (fib_callback) io_callback,
 
1109
                          (void *) cmd);
 
1110
}
 
1111
 
 
1112
static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 
1113
{
 
1114
        u16 fibsize;
 
1115
        struct aac_write *writecmd;
 
1116
        aac_fib_init(fib);
 
1117
        writecmd = (struct aac_write *) fib_data(fib);
 
1118
        writecmd->command = cpu_to_le32(VM_CtBlockWrite);
 
1119
        writecmd->cid = cpu_to_le32(scmd_id(cmd));
 
1120
        writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 
1121
        writecmd->count = cpu_to_le32(count * 512);
 
1122
        writecmd->sg.count = cpu_to_le32(1);
 
1123
        /* ->stable is not used - it did mean which type of write */
 
1124
 
 
1125
        aac_build_sg(cmd, &writecmd->sg);
 
1126
        fibsize = sizeof(struct aac_write) +
 
1127
                ((le32_to_cpu(writecmd->sg.count) - 1) *
 
1128
                 sizeof (struct sgentry));
 
1129
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1130
                                sizeof(struct aac_fibhdr)));
 
1131
        /*
 
1132
         *      Now send the Fib to the adapter
 
1133
         */
 
1134
        return aac_fib_send(ContainerCommand,
 
1135
                          fib,
 
1136
                          fibsize,
 
1137
                          FsaNormal,
 
1138
                          0, 1,
 
1139
                          (fib_callback) io_callback,
 
1140
                          (void *) cmd);
 
1141
}
 
1142
 
 
1143
static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
 
1144
{
 
1145
        struct aac_srb * srbcmd;
 
1146
        u32 flag;
 
1147
        u32 timeout;
 
1148
 
 
1149
        aac_fib_init(fib);
 
1150
        switch(cmd->sc_data_direction){
 
1151
        case DMA_TO_DEVICE:
 
1152
                flag = SRB_DataOut;
 
1153
                break;
 
1154
        case DMA_BIDIRECTIONAL:
 
1155
                flag = SRB_DataIn | SRB_DataOut;
 
1156
                break;
 
1157
        case DMA_FROM_DEVICE:
 
1158
                flag = SRB_DataIn;
 
1159
                break;
 
1160
        case DMA_NONE:
 
1161
        default:        /* shuts up some versions of gcc */
 
1162
                flag = SRB_NoDataXfer;
 
1163
                break;
 
1164
        }
 
1165
 
 
1166
        srbcmd = (struct aac_srb*) fib_data(fib);
 
1167
        srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
 
1168
        srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
 
1169
        srbcmd->id       = cpu_to_le32(scmd_id(cmd));
 
1170
        srbcmd->lun      = cpu_to_le32(cmd->device->lun);
 
1171
        srbcmd->flags    = cpu_to_le32(flag);
 
1172
        timeout = cmd->request->timeout/HZ;
 
1173
        if (timeout == 0)
 
1174
                timeout = 1;
 
1175
        srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
 
1176
        srbcmd->retry_limit = 0; /* Obsolete parameter */
 
1177
        srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
 
1178
        return srbcmd;
 
1179
}
 
1180
 
 
1181
static void aac_srb_callback(void *context, struct fib * fibptr);
 
1182
 
 
1183
static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
 
1184
{
 
1185
        u16 fibsize;
 
1186
        struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
 
1187
 
 
1188
        aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
 
1189
        srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
 
1190
 
 
1191
        memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
 
1192
        memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
 
1193
        /*
 
1194
         *      Build Scatter/Gather list
 
1195
         */
 
1196
        fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
 
1197
                ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
 
1198
                 sizeof (struct sgentry64));
 
1199
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1200
                                sizeof(struct aac_fibhdr)));
 
1201
 
 
1202
        /*
 
1203
         *      Now send the Fib to the adapter
 
1204
         */
 
1205
        return aac_fib_send(ScsiPortCommand64, fib,
 
1206
                                fibsize, FsaNormal, 0, 1,
 
1207
                                  (fib_callback) aac_srb_callback,
 
1208
                                  (void *) cmd);
 
1209
}
 
1210
 
 
1211
static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
 
1212
{
 
1213
        u16 fibsize;
 
1214
        struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
 
1215
 
 
1216
        aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
 
1217
        srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
 
1218
 
 
1219
        memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
 
1220
        memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
 
1221
        /*
 
1222
         *      Build Scatter/Gather list
 
1223
         */
 
1224
        fibsize = sizeof (struct aac_srb) +
 
1225
                (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
 
1226
                 sizeof (struct sgentry));
 
1227
        BUG_ON (fibsize > (fib->dev->max_fib_size -
 
1228
                                sizeof(struct aac_fibhdr)));
 
1229
 
 
1230
        /*
 
1231
         *      Now send the Fib to the adapter
 
1232
         */
 
1233
        return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
 
1234
                                  (fib_callback) aac_srb_callback, (void *) cmd);
 
1235
}
 
1236
 
 
1237
static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
 
1238
{
 
1239
        if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
 
1240
            (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
 
1241
                return FAILED;
 
1242
        return aac_scsi_32(fib, cmd);
 
1243
}
 
1244
 
 
1245
int aac_get_adapter_info(struct aac_dev* dev)
 
1246
{
 
1247
        struct fib* fibptr;
 
1248
        int rcode;
 
1249
        u32 tmp;
 
1250
        struct aac_adapter_info *info;
 
1251
        struct aac_bus_info *command;
 
1252
        struct aac_bus_info_response *bus_info;
 
1253
 
 
1254
        if (!(fibptr = aac_fib_alloc(dev)))
 
1255
                return -ENOMEM;
 
1256
 
 
1257
        aac_fib_init(fibptr);
 
1258
        info = (struct aac_adapter_info *) fib_data(fibptr);
 
1259
        memset(info,0,sizeof(*info));
 
1260
 
 
1261
        rcode = aac_fib_send(RequestAdapterInfo,
 
1262
                         fibptr,
 
1263
                         sizeof(*info),
 
1264
                         FsaNormal,
 
1265
                         -1, 1, /* First `interrupt' command uses special wait */
 
1266
                         NULL,
 
1267
                         NULL);
 
1268
 
 
1269
        if (rcode < 0) {
 
1270
                /* FIB should be freed only after
 
1271
                 * getting the response from the F/W */
 
1272
                if (rcode != -ERESTARTSYS) {
 
1273
                        aac_fib_complete(fibptr);
 
1274
                        aac_fib_free(fibptr);
 
1275
                }
 
1276
                return rcode;
 
1277
        }
 
1278
        memcpy(&dev->adapter_info, info, sizeof(*info));
 
1279
 
 
1280
        if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
 
1281
                struct aac_supplement_adapter_info * sinfo;
 
1282
 
 
1283
                aac_fib_init(fibptr);
 
1284
 
 
1285
                sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
 
1286
 
 
1287
                memset(sinfo,0,sizeof(*sinfo));
 
1288
 
 
1289
                rcode = aac_fib_send(RequestSupplementAdapterInfo,
 
1290
                                 fibptr,
 
1291
                                 sizeof(*sinfo),
 
1292
                                 FsaNormal,
 
1293
                                 1, 1,
 
1294
                                 NULL,
 
1295
                                 NULL);
 
1296
 
 
1297
                if (rcode >= 0)
 
1298
                        memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
 
1299
                if (rcode == -ERESTARTSYS) {
 
1300
                        fibptr = aac_fib_alloc(dev);
 
1301
                        if (!fibptr)
 
1302
                                return -ENOMEM;
 
1303
                }
 
1304
 
 
1305
        }
 
1306
 
 
1307
 
 
1308
        /*
 
1309
         * GetBusInfo
 
1310
         */
 
1311
 
 
1312
        aac_fib_init(fibptr);
 
1313
 
 
1314
        bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
 
1315
 
 
1316
        memset(bus_info, 0, sizeof(*bus_info));
 
1317
 
 
1318
        command = (struct aac_bus_info *)bus_info;
 
1319
 
 
1320
        command->Command = cpu_to_le32(VM_Ioctl);
 
1321
        command->ObjType = cpu_to_le32(FT_DRIVE);
 
1322
        command->MethodId = cpu_to_le32(1);
 
1323
        command->CtlCmd = cpu_to_le32(GetBusInfo);
 
1324
 
 
1325
        rcode = aac_fib_send(ContainerCommand,
 
1326
                         fibptr,
 
1327
                         sizeof (*bus_info),
 
1328
                         FsaNormal,
 
1329
                         1, 1,
 
1330
                         NULL, NULL);
 
1331
 
 
1332
        /* reasoned default */
 
1333
        dev->maximum_num_physicals = 16;
 
1334
        if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
 
1335
                dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
 
1336
                dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
 
1337
        }
 
1338
 
 
1339
        if (!dev->in_reset) {
 
1340
                char buffer[16];
 
1341
                tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 
1342
                printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
 
1343
                        dev->name,
 
1344
                        dev->id,
 
1345
                        tmp>>24,
 
1346
                        (tmp>>16)&0xff,
 
1347
                        tmp&0xff,
 
1348
                        le32_to_cpu(dev->adapter_info.kernelbuild),
 
1349
                        (int)sizeof(dev->supplement_adapter_info.BuildDate),
 
1350
                        dev->supplement_adapter_info.BuildDate);
 
1351
                tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 
1352
                printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
 
1353
                        dev->name, dev->id,
 
1354
                        tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 
1355
                        le32_to_cpu(dev->adapter_info.monitorbuild));
 
1356
                tmp = le32_to_cpu(dev->adapter_info.biosrev);
 
1357
                printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
 
1358
                        dev->name, dev->id,
 
1359
                        tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 
1360
                        le32_to_cpu(dev->adapter_info.biosbuild));
 
1361
                buffer[0] = '\0';
 
1362
                if (aac_get_serial_number(
 
1363
                  shost_to_class(dev->scsi_host_ptr), buffer))
 
1364
                        printk(KERN_INFO "%s%d: serial %s",
 
1365
                          dev->name, dev->id, buffer);
 
1366
                if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
 
1367
                        printk(KERN_INFO "%s%d: TSID %.*s\n",
 
1368
                          dev->name, dev->id,
 
1369
                          (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
 
1370
                          dev->supplement_adapter_info.VpdInfo.Tsid);
 
1371
                }
 
1372
                if (!aac_check_reset || ((aac_check_reset == 1) &&
 
1373
                  (dev->supplement_adapter_info.SupportedOptions2 &
 
1374
                  AAC_OPTION_IGNORE_RESET))) {
 
1375
                        printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
 
1376
                          dev->name, dev->id);
 
1377
                }
 
1378
        }
 
1379
 
 
1380
        dev->cache_protected = 0;
 
1381
        dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
 
1382
                AAC_FEATURE_JBOD) != 0);
 
1383
        dev->nondasd_support = 0;
 
1384
        dev->raid_scsi_mode = 0;
 
1385
        if(dev->adapter_info.options & AAC_OPT_NONDASD)
 
1386
                dev->nondasd_support = 1;
 
1387
 
 
1388
        /*
 
1389
         * If the firmware supports ROMB RAID/SCSI mode and we are currently
 
1390
         * in RAID/SCSI mode, set the flag. For now if in this mode we will
 
1391
         * force nondasd support on. If we decide to allow the non-dasd flag
 
1392
         * additional changes changes will have to be made to support
 
1393
         * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
 
1394
         * changed to support the new dev->raid_scsi_mode flag instead of
 
1395
         * leaching off of the dev->nondasd_support flag. Also in linit.c the
 
1396
         * function aac_detect will have to be modified where it sets up the
 
1397
         * max number of channels based on the aac->nondasd_support flag only.
 
1398
         */
 
1399
        if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
 
1400
            (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
 
1401
                dev->nondasd_support = 1;
 
1402
                dev->raid_scsi_mode = 1;
 
1403
        }
 
1404
        if (dev->raid_scsi_mode != 0)
 
1405
                printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
 
1406
                                dev->name, dev->id);
 
1407
 
 
1408
        if (nondasd != -1)
 
1409
                dev->nondasd_support = (nondasd!=0);
 
1410
        if (dev->nondasd_support && !dev->in_reset)
 
1411
                printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
 
1412
 
 
1413
        if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
 
1414
                dev->needs_dac = 1;
 
1415
        dev->dac_support = 0;
 
1416
        if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
 
1417
            (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
 
1418
                if (!dev->in_reset)
 
1419
                        printk(KERN_INFO "%s%d: 64bit support enabled.\n",
 
1420
                                dev->name, dev->id);
 
1421
                dev->dac_support = 1;
 
1422
        }
 
1423
 
 
1424
        if(dacmode != -1) {
 
1425
                dev->dac_support = (dacmode!=0);
 
1426
        }
 
1427
 
 
1428
        /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
 
1429
        if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
 
1430
                & AAC_QUIRK_SCSI_32)) {
 
1431
                dev->nondasd_support = 0;
 
1432
                dev->jbod = 0;
 
1433
                expose_physicals = 0;
 
1434
        }
 
1435
 
 
1436
        if(dev->dac_support != 0) {
 
1437
                if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
 
1438
                        !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
 
1439
                        if (!dev->in_reset)
 
1440
                                printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
 
1441
                                        dev->name, dev->id);
 
1442
                } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
 
1443
                        !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
 
1444
                        printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
 
1445
                                dev->name, dev->id);
 
1446
                        dev->dac_support = 0;
 
1447
                } else {
 
1448
                        printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
 
1449
                                dev->name, dev->id);
 
1450
                        rcode = -ENOMEM;
 
1451
                }
 
1452
        }
 
1453
        /*
 
1454
         * Deal with configuring for the individualized limits of each packet
 
1455
         * interface.
 
1456
         */
 
1457
        dev->a_ops.adapter_scsi = (dev->dac_support)
 
1458
          ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
 
1459
                                ? aac_scsi_32_64
 
1460
                                : aac_scsi_64)
 
1461
                                : aac_scsi_32;
 
1462
        if (dev->raw_io_interface) {
 
1463
                dev->a_ops.adapter_bounds = (dev->raw_io_64)
 
1464
                                        ? aac_bounds_64
 
1465
                                        : aac_bounds_32;
 
1466
                dev->a_ops.adapter_read = aac_read_raw_io;
 
1467
                dev->a_ops.adapter_write = aac_write_raw_io;
 
1468
        } else {
 
1469
                dev->a_ops.adapter_bounds = aac_bounds_32;
 
1470
                dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
 
1471
                        sizeof(struct aac_fibhdr) -
 
1472
                        sizeof(struct aac_write) + sizeof(struct sgentry)) /
 
1473
                                sizeof(struct sgentry);
 
1474
                if (dev->dac_support) {
 
1475
                        dev->a_ops.adapter_read = aac_read_block64;
 
1476
                        dev->a_ops.adapter_write = aac_write_block64;
 
1477
                        /*
 
1478
                         * 38 scatter gather elements
 
1479
                         */
 
1480
                        dev->scsi_host_ptr->sg_tablesize =
 
1481
                                (dev->max_fib_size -
 
1482
                                sizeof(struct aac_fibhdr) -
 
1483
                                sizeof(struct aac_write64) +
 
1484
                                sizeof(struct sgentry64)) /
 
1485
                                        sizeof(struct sgentry64);
 
1486
                } else {
 
1487
                        dev->a_ops.adapter_read = aac_read_block;
 
1488
                        dev->a_ops.adapter_write = aac_write_block;
 
1489
                }
 
1490
                dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
 
1491
                if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
 
1492
                        dev->adapter_info.options |= AAC_OPT_NEW_COMM;
 
1493
                if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
 
1494
                        /*
 
1495
                         * Worst case size that could cause sg overflow when
 
1496
                         * we break up SG elements that are larger than 64KB.
 
1497
                         * Would be nice if we could tell the SCSI layer what
 
1498
                         * the maximum SG element size can be. Worst case is
 
1499
                         * (sg_tablesize-1) 4KB elements with one 64KB
 
1500
                         * element.
 
1501
                         *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
 
1502
                         */
 
1503
                        dev->scsi_host_ptr->max_sectors =
 
1504
                          (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
 
1505
                }
 
1506
        }
 
1507
        /* FIB should be freed only after getting the response from the F/W */
 
1508
        if (rcode != -ERESTARTSYS) {
 
1509
                aac_fib_complete(fibptr);
 
1510
                aac_fib_free(fibptr);
 
1511
        }
 
1512
 
 
1513
        return rcode;
 
1514
}
 
1515
 
 
1516
 
 
1517
static void io_callback(void *context, struct fib * fibptr)
 
1518
{
 
1519
        struct aac_dev *dev;
 
1520
        struct aac_read_reply *readreply;
 
1521
        struct scsi_cmnd *scsicmd;
 
1522
        u32 cid;
 
1523
 
 
1524
        scsicmd = (struct scsi_cmnd *) context;
 
1525
 
 
1526
        if (!aac_valid_context(scsicmd, fibptr))
 
1527
                return;
 
1528
 
 
1529
        dev = fibptr->dev;
 
1530
        cid = scmd_id(scsicmd);
 
1531
 
 
1532
        if (nblank(dprintk(x))) {
 
1533
                u64 lba;
 
1534
                switch (scsicmd->cmnd[0]) {
 
1535
                case WRITE_6:
 
1536
                case READ_6:
 
1537
                        lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
 
1538
                            (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 
1539
                        break;
 
1540
                case WRITE_16:
 
1541
                case READ_16:
 
1542
                        lba = ((u64)scsicmd->cmnd[2] << 56) |
 
1543
                              ((u64)scsicmd->cmnd[3] << 48) |
 
1544
                              ((u64)scsicmd->cmnd[4] << 40) |
 
1545
                              ((u64)scsicmd->cmnd[5] << 32) |
 
1546
                              ((u64)scsicmd->cmnd[6] << 24) |
 
1547
                              (scsicmd->cmnd[7] << 16) |
 
1548
                              (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 
1549
                        break;
 
1550
                case WRITE_12:
 
1551
                case READ_12:
 
1552
                        lba = ((u64)scsicmd->cmnd[2] << 24) |
 
1553
                              (scsicmd->cmnd[3] << 16) |
 
1554
                              (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1555
                        break;
 
1556
                default:
 
1557
                        lba = ((u64)scsicmd->cmnd[2] << 24) |
 
1558
                               (scsicmd->cmnd[3] << 16) |
 
1559
                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1560
                        break;
 
1561
                }
 
1562
                printk(KERN_DEBUG
 
1563
                  "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
 
1564
                  smp_processor_id(), (unsigned long long)lba, jiffies);
 
1565
        }
 
1566
 
 
1567
        BUG_ON(fibptr == NULL);
 
1568
 
 
1569
        scsi_dma_unmap(scsicmd);
 
1570
 
 
1571
        readreply = (struct aac_read_reply *)fib_data(fibptr);
 
1572
        switch (le32_to_cpu(readreply->status)) {
 
1573
        case ST_OK:
 
1574
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
1575
                        SAM_STAT_GOOD;
 
1576
                dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
 
1577
                break;
 
1578
        case ST_NOT_READY:
 
1579
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
1580
                        SAM_STAT_CHECK_CONDITION;
 
1581
                set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
 
1582
                  SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
 
1583
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
1584
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
1585
                             SCSI_SENSE_BUFFERSIZE));
 
1586
                break;
 
1587
        default:
 
1588
#ifdef AAC_DETAILED_STATUS_INFO
 
1589
                printk(KERN_WARNING "io_callback: io failed, status = %d\n",
 
1590
                  le32_to_cpu(readreply->status));
 
1591
#endif
 
1592
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
1593
                        SAM_STAT_CHECK_CONDITION;
 
1594
                set_sense(&dev->fsa_dev[cid].sense_data,
 
1595
                  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 
1596
                  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 
1597
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
1598
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
1599
                             SCSI_SENSE_BUFFERSIZE));
 
1600
                break;
 
1601
        }
 
1602
        aac_fib_complete(fibptr);
 
1603
        aac_fib_free(fibptr);
 
1604
 
 
1605
        scsicmd->scsi_done(scsicmd);
 
1606
}
 
1607
 
 
1608
static int aac_read(struct scsi_cmnd * scsicmd)
 
1609
{
 
1610
        u64 lba;
 
1611
        u32 count;
 
1612
        int status;
 
1613
        struct aac_dev *dev;
 
1614
        struct fib * cmd_fibcontext;
 
1615
        int cid;
 
1616
 
 
1617
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
1618
        /*
 
1619
         *      Get block address and transfer length
 
1620
         */
 
1621
        switch (scsicmd->cmnd[0]) {
 
1622
        case READ_6:
 
1623
                dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
 
1624
 
 
1625
                lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
 
1626
                        (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 
1627
                count = scsicmd->cmnd[4];
 
1628
 
 
1629
                if (count == 0)
 
1630
                        count = 256;
 
1631
                break;
 
1632
        case READ_16:
 
1633
                dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
 
1634
 
 
1635
                lba =   ((u64)scsicmd->cmnd[2] << 56) |
 
1636
                        ((u64)scsicmd->cmnd[3] << 48) |
 
1637
                        ((u64)scsicmd->cmnd[4] << 40) |
 
1638
                        ((u64)scsicmd->cmnd[5] << 32) |
 
1639
                        ((u64)scsicmd->cmnd[6] << 24) |
 
1640
                        (scsicmd->cmnd[7] << 16) |
 
1641
                        (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 
1642
                count = (scsicmd->cmnd[10] << 24) |
 
1643
                        (scsicmd->cmnd[11] << 16) |
 
1644
                        (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
 
1645
                break;
 
1646
        case READ_12:
 
1647
                dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
 
1648
 
 
1649
                lba = ((u64)scsicmd->cmnd[2] << 24) |
 
1650
                        (scsicmd->cmnd[3] << 16) |
 
1651
                        (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1652
                count = (scsicmd->cmnd[6] << 24) |
 
1653
                        (scsicmd->cmnd[7] << 16) |
 
1654
                        (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 
1655
                break;
 
1656
        default:
 
1657
                dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
 
1658
 
 
1659
                lba = ((u64)scsicmd->cmnd[2] << 24) |
 
1660
                        (scsicmd->cmnd[3] << 16) |
 
1661
                        (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1662
                count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 
1663
                break;
 
1664
        }
 
1665
 
 
1666
        if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
 
1667
                cid = scmd_id(scsicmd);
 
1668
                dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 
1669
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
1670
                        SAM_STAT_CHECK_CONDITION;
 
1671
                set_sense(&dev->fsa_dev[cid].sense_data,
 
1672
                          HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 
1673
                          ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 
1674
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
1675
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
1676
                             SCSI_SENSE_BUFFERSIZE));
 
1677
                scsicmd->scsi_done(scsicmd);
 
1678
                return 1;
 
1679
        }
 
1680
 
 
1681
        dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
 
1682
          smp_processor_id(), (unsigned long long)lba, jiffies));
 
1683
        if (aac_adapter_bounds(dev,scsicmd,lba))
 
1684
                return 0;
 
1685
        /*
 
1686
         *      Alocate and initialize a Fib
 
1687
         */
 
1688
        if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
 
1689
                printk(KERN_WARNING "aac_read: fib allocation failed\n");
 
1690
                return -1;
 
1691
        }
 
1692
 
 
1693
        status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
 
1694
 
 
1695
        /*
 
1696
         *      Check that the command queued to the controller
 
1697
         */
 
1698
        if (status == -EINPROGRESS) {
 
1699
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
1700
                return 0;
 
1701
        }
 
1702
 
 
1703
        printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
 
1704
        /*
 
1705
         *      For some reason, the Fib didn't queue, return QUEUE_FULL
 
1706
         */
 
1707
        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
 
1708
        scsicmd->scsi_done(scsicmd);
 
1709
        aac_fib_complete(cmd_fibcontext);
 
1710
        aac_fib_free(cmd_fibcontext);
 
1711
        return 0;
 
1712
}
 
1713
 
 
1714
static int aac_write(struct scsi_cmnd * scsicmd)
 
1715
{
 
1716
        u64 lba;
 
1717
        u32 count;
 
1718
        int fua;
 
1719
        int status;
 
1720
        struct aac_dev *dev;
 
1721
        struct fib * cmd_fibcontext;
 
1722
        int cid;
 
1723
 
 
1724
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
1725
        /*
 
1726
         *      Get block address and transfer length
 
1727
         */
 
1728
        if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
 
1729
        {
 
1730
                lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 
1731
                count = scsicmd->cmnd[4];
 
1732
                if (count == 0)
 
1733
                        count = 256;
 
1734
                fua = 0;
 
1735
        } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
 
1736
                dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
 
1737
 
 
1738
                lba =   ((u64)scsicmd->cmnd[2] << 56) |
 
1739
                        ((u64)scsicmd->cmnd[3] << 48) |
 
1740
                        ((u64)scsicmd->cmnd[4] << 40) |
 
1741
                        ((u64)scsicmd->cmnd[5] << 32) |
 
1742
                        ((u64)scsicmd->cmnd[6] << 24) |
 
1743
                        (scsicmd->cmnd[7] << 16) |
 
1744
                        (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 
1745
                count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
 
1746
                        (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
 
1747
                fua = scsicmd->cmnd[1] & 0x8;
 
1748
        } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
 
1749
                dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
 
1750
 
 
1751
                lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
 
1752
                    | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1753
                count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
 
1754
                      | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 
1755
                fua = scsicmd->cmnd[1] & 0x8;
 
1756
        } else {
 
1757
                dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
 
1758
                lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1759
                count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 
1760
                fua = scsicmd->cmnd[1] & 0x8;
 
1761
        }
 
1762
 
 
1763
        if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
 
1764
                cid = scmd_id(scsicmd);
 
1765
                dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 
1766
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
1767
                        SAM_STAT_CHECK_CONDITION;
 
1768
                set_sense(&dev->fsa_dev[cid].sense_data,
 
1769
                          HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 
1770
                          ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 
1771
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
1772
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
1773
                             SCSI_SENSE_BUFFERSIZE));
 
1774
                scsicmd->scsi_done(scsicmd);
 
1775
                return 1;
 
1776
        }
 
1777
 
 
1778
        dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
 
1779
          smp_processor_id(), (unsigned long long)lba, jiffies));
 
1780
        if (aac_adapter_bounds(dev,scsicmd,lba))
 
1781
                return 0;
 
1782
        /*
 
1783
         *      Allocate and initialize a Fib then setup a BlockWrite command
 
1784
         */
 
1785
        if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
 
1786
                /* FIB temporarily unavailable,not catastrophic failure */
 
1787
 
 
1788
                /* scsicmd->result = DID_ERROR << 16;
 
1789
                 * scsicmd->scsi_done(scsicmd);
 
1790
                 * return 0;
 
1791
                 */
 
1792
                printk(KERN_WARNING "aac_write: fib allocation failed\n");
 
1793
                return -1;
 
1794
        }
 
1795
 
 
1796
        status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
 
1797
 
 
1798
        /*
 
1799
         *      Check that the command queued to the controller
 
1800
         */
 
1801
        if (status == -EINPROGRESS) {
 
1802
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
1803
                return 0;
 
1804
        }
 
1805
 
 
1806
        printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
 
1807
        /*
 
1808
         *      For some reason, the Fib didn't queue, return QUEUE_FULL
 
1809
         */
 
1810
        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
 
1811
        scsicmd->scsi_done(scsicmd);
 
1812
 
 
1813
        aac_fib_complete(cmd_fibcontext);
 
1814
        aac_fib_free(cmd_fibcontext);
 
1815
        return 0;
 
1816
}
 
1817
 
 
1818
static void synchronize_callback(void *context, struct fib *fibptr)
 
1819
{
 
1820
        struct aac_synchronize_reply *synchronizereply;
 
1821
        struct scsi_cmnd *cmd;
 
1822
 
 
1823
        cmd = context;
 
1824
 
 
1825
        if (!aac_valid_context(cmd, fibptr))
 
1826
                return;
 
1827
 
 
1828
        dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
 
1829
                                smp_processor_id(), jiffies));
 
1830
        BUG_ON(fibptr == NULL);
 
1831
 
 
1832
 
 
1833
        synchronizereply = fib_data(fibptr);
 
1834
        if (le32_to_cpu(synchronizereply->status) == CT_OK)
 
1835
                cmd->result = DID_OK << 16 |
 
1836
                        COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
1837
        else {
 
1838
                struct scsi_device *sdev = cmd->device;
 
1839
                struct aac_dev *dev = fibptr->dev;
 
1840
                u32 cid = sdev_id(sdev);
 
1841
                printk(KERN_WARNING
 
1842
                     "synchronize_callback: synchronize failed, status = %d\n",
 
1843
                     le32_to_cpu(synchronizereply->status));
 
1844
                cmd->result = DID_OK << 16 |
 
1845
                        COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 
1846
                set_sense(&dev->fsa_dev[cid].sense_data,
 
1847
                  HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 
1848
                  ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 
1849
                memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
1850
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
1851
                             SCSI_SENSE_BUFFERSIZE));
 
1852
        }
 
1853
 
 
1854
        aac_fib_complete(fibptr);
 
1855
        aac_fib_free(fibptr);
 
1856
        cmd->scsi_done(cmd);
 
1857
}
 
1858
 
 
1859
static int aac_synchronize(struct scsi_cmnd *scsicmd)
 
1860
{
 
1861
        int status;
 
1862
        struct fib *cmd_fibcontext;
 
1863
        struct aac_synchronize *synchronizecmd;
 
1864
        struct scsi_cmnd *cmd;
 
1865
        struct scsi_device *sdev = scsicmd->device;
 
1866
        int active = 0;
 
1867
        struct aac_dev *aac;
 
1868
        u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
 
1869
                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 
1870
        u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 
1871
        unsigned long flags;
 
1872
 
 
1873
        /*
 
1874
         * Wait for all outstanding queued commands to complete to this
 
1875
         * specific target (block).
 
1876
         */
 
1877
        spin_lock_irqsave(&sdev->list_lock, flags);
 
1878
        list_for_each_entry(cmd, &sdev->cmd_list, list)
 
1879
                if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
 
1880
                        u64 cmnd_lba;
 
1881
                        u32 cmnd_count;
 
1882
 
 
1883
                        if (cmd->cmnd[0] == WRITE_6) {
 
1884
                                cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
 
1885
                                        (cmd->cmnd[2] << 8) |
 
1886
                                        cmd->cmnd[3];
 
1887
                                cmnd_count = cmd->cmnd[4];
 
1888
                                if (cmnd_count == 0)
 
1889
                                        cmnd_count = 256;
 
1890
                        } else if (cmd->cmnd[0] == WRITE_16) {
 
1891
                                cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
 
1892
                                        ((u64)cmd->cmnd[3] << 48) |
 
1893
                                        ((u64)cmd->cmnd[4] << 40) |
 
1894
                                        ((u64)cmd->cmnd[5] << 32) |
 
1895
                                        ((u64)cmd->cmnd[6] << 24) |
 
1896
                                        (cmd->cmnd[7] << 16) |
 
1897
                                        (cmd->cmnd[8] << 8) |
 
1898
                                        cmd->cmnd[9];
 
1899
                                cmnd_count = (cmd->cmnd[10] << 24) |
 
1900
                                        (cmd->cmnd[11] << 16) |
 
1901
                                        (cmd->cmnd[12] << 8) |
 
1902
                                        cmd->cmnd[13];
 
1903
                        } else if (cmd->cmnd[0] == WRITE_12) {
 
1904
                                cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
 
1905
                                        (cmd->cmnd[3] << 16) |
 
1906
                                        (cmd->cmnd[4] << 8) |
 
1907
                                        cmd->cmnd[5];
 
1908
                                cmnd_count = (cmd->cmnd[6] << 24) |
 
1909
                                        (cmd->cmnd[7] << 16) |
 
1910
                                        (cmd->cmnd[8] << 8) |
 
1911
                                        cmd->cmnd[9];
 
1912
                        } else if (cmd->cmnd[0] == WRITE_10) {
 
1913
                                cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
 
1914
                                        (cmd->cmnd[3] << 16) |
 
1915
                                        (cmd->cmnd[4] << 8) |
 
1916
                                        cmd->cmnd[5];
 
1917
                                cmnd_count = (cmd->cmnd[7] << 8) |
 
1918
                                        cmd->cmnd[8];
 
1919
                        } else
 
1920
                                continue;
 
1921
                        if (((cmnd_lba + cmnd_count) < lba) ||
 
1922
                          (count && ((lba + count) < cmnd_lba)))
 
1923
                                continue;
 
1924
                        ++active;
 
1925
                        break;
 
1926
                }
 
1927
 
 
1928
        spin_unlock_irqrestore(&sdev->list_lock, flags);
 
1929
 
 
1930
        /*
 
1931
         *      Yield the processor (requeue for later)
 
1932
         */
 
1933
        if (active)
 
1934
                return SCSI_MLQUEUE_DEVICE_BUSY;
 
1935
 
 
1936
        aac = (struct aac_dev *)sdev->host->hostdata;
 
1937
        if (aac->in_reset)
 
1938
                return SCSI_MLQUEUE_HOST_BUSY;
 
1939
 
 
1940
        /*
 
1941
         *      Allocate and initialize a Fib
 
1942
         */
 
1943
        if (!(cmd_fibcontext = aac_fib_alloc(aac)))
 
1944
                return SCSI_MLQUEUE_HOST_BUSY;
 
1945
 
 
1946
        aac_fib_init(cmd_fibcontext);
 
1947
 
 
1948
        synchronizecmd = fib_data(cmd_fibcontext);
 
1949
        synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
 
1950
        synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
 
1951
        synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
 
1952
        synchronizecmd->count =
 
1953
             cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
 
1954
 
 
1955
        /*
 
1956
         *      Now send the Fib to the adapter
 
1957
         */
 
1958
        status = aac_fib_send(ContainerCommand,
 
1959
                  cmd_fibcontext,
 
1960
                  sizeof(struct aac_synchronize),
 
1961
                  FsaNormal,
 
1962
                  0, 1,
 
1963
                  (fib_callback)synchronize_callback,
 
1964
                  (void *)scsicmd);
 
1965
 
 
1966
        /*
 
1967
         *      Check that the command queued to the controller
 
1968
         */
 
1969
        if (status == -EINPROGRESS) {
 
1970
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
1971
                return 0;
 
1972
        }
 
1973
 
 
1974
        printk(KERN_WARNING
 
1975
                "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
 
1976
        aac_fib_complete(cmd_fibcontext);
 
1977
        aac_fib_free(cmd_fibcontext);
 
1978
        return SCSI_MLQUEUE_HOST_BUSY;
 
1979
}
 
1980
 
 
1981
static void aac_start_stop_callback(void *context, struct fib *fibptr)
 
1982
{
 
1983
        struct scsi_cmnd *scsicmd = context;
 
1984
 
 
1985
        if (!aac_valid_context(scsicmd, fibptr))
 
1986
                return;
 
1987
 
 
1988
        BUG_ON(fibptr == NULL);
 
1989
 
 
1990
        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
1991
 
 
1992
        aac_fib_complete(fibptr);
 
1993
        aac_fib_free(fibptr);
 
1994
        scsicmd->scsi_done(scsicmd);
 
1995
}
 
1996
 
 
1997
static int aac_start_stop(struct scsi_cmnd *scsicmd)
 
1998
{
 
1999
        int status;
 
2000
        struct fib *cmd_fibcontext;
 
2001
        struct aac_power_management *pmcmd;
 
2002
        struct scsi_device *sdev = scsicmd->device;
 
2003
        struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 
2004
 
 
2005
        if (!(aac->supplement_adapter_info.SupportedOptions2 &
 
2006
              AAC_OPTION_POWER_MANAGEMENT)) {
 
2007
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
2008
                                  SAM_STAT_GOOD;
 
2009
                scsicmd->scsi_done(scsicmd);
 
2010
                return 0;
 
2011
        }
 
2012
 
 
2013
        if (aac->in_reset)
 
2014
                return SCSI_MLQUEUE_HOST_BUSY;
 
2015
 
 
2016
        /*
 
2017
         *      Allocate and initialize a Fib
 
2018
         */
 
2019
        cmd_fibcontext = aac_fib_alloc(aac);
 
2020
        if (!cmd_fibcontext)
 
2021
                return SCSI_MLQUEUE_HOST_BUSY;
 
2022
 
 
2023
        aac_fib_init(cmd_fibcontext);
 
2024
 
 
2025
        pmcmd = fib_data(cmd_fibcontext);
 
2026
        pmcmd->command = cpu_to_le32(VM_ContainerConfig);
 
2027
        pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
 
2028
        /* Eject bit ignored, not relevant */
 
2029
        pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
 
2030
                cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
 
2031
        pmcmd->cid = cpu_to_le32(sdev_id(sdev));
 
2032
        pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
 
2033
                cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
 
2034
 
 
2035
        /*
 
2036
         *      Now send the Fib to the adapter
 
2037
         */
 
2038
        status = aac_fib_send(ContainerCommand,
 
2039
                  cmd_fibcontext,
 
2040
                  sizeof(struct aac_power_management),
 
2041
                  FsaNormal,
 
2042
                  0, 1,
 
2043
                  (fib_callback)aac_start_stop_callback,
 
2044
                  (void *)scsicmd);
 
2045
 
 
2046
        /*
 
2047
         *      Check that the command queued to the controller
 
2048
         */
 
2049
        if (status == -EINPROGRESS) {
 
2050
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
2051
                return 0;
 
2052
        }
 
2053
 
 
2054
        aac_fib_complete(cmd_fibcontext);
 
2055
        aac_fib_free(cmd_fibcontext);
 
2056
        return SCSI_MLQUEUE_HOST_BUSY;
 
2057
}
 
2058
 
 
2059
/**
 
2060
 *      aac_scsi_cmd()          -       Process SCSI command
 
2061
 *      @scsicmd:               SCSI command block
 
2062
 *
 
2063
 *      Emulate a SCSI command and queue the required request for the
 
2064
 *      aacraid firmware.
 
2065
 */
 
2066
 
 
2067
int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 
2068
{
 
2069
        u32 cid;
 
2070
        struct Scsi_Host *host = scsicmd->device->host;
 
2071
        struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 
2072
        struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
 
2073
 
 
2074
        if (fsa_dev_ptr == NULL)
 
2075
                return -1;
 
2076
        /*
 
2077
         *      If the bus, id or lun is out of range, return fail
 
2078
         *      Test does not apply to ID 16, the pseudo id for the controller
 
2079
         *      itself.
 
2080
         */
 
2081
        cid = scmd_id(scsicmd);
 
2082
        if (cid != host->this_id) {
 
2083
                if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
 
2084
                        if((cid >= dev->maximum_num_containers) ||
 
2085
                                        (scsicmd->device->lun != 0)) {
 
2086
                                scsicmd->result = DID_NO_CONNECT << 16;
 
2087
                                scsicmd->scsi_done(scsicmd);
 
2088
                                return 0;
 
2089
                        }
 
2090
 
 
2091
                        /*
 
2092
                         *      If the target container doesn't exist, it may have
 
2093
                         *      been newly created
 
2094
                         */
 
2095
                        if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
 
2096
                          (fsa_dev_ptr[cid].sense_data.sense_key ==
 
2097
                           NOT_READY)) {
 
2098
                                switch (scsicmd->cmnd[0]) {
 
2099
                                case SERVICE_ACTION_IN:
 
2100
                                        if (!(dev->raw_io_interface) ||
 
2101
                                            !(dev->raw_io_64) ||
 
2102
                                            ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 
2103
                                                break;
 
2104
                                case INQUIRY:
 
2105
                                case READ_CAPACITY:
 
2106
                                case TEST_UNIT_READY:
 
2107
                                        if (dev->in_reset)
 
2108
                                                return -1;
 
2109
                                        return _aac_probe_container(scsicmd,
 
2110
                                                        aac_probe_container_callback2);
 
2111
                                default:
 
2112
                                        break;
 
2113
                                }
 
2114
                        }
 
2115
                } else {  /* check for physical non-dasd devices */
 
2116
                        if (dev->nondasd_support || expose_physicals ||
 
2117
                                        dev->jbod) {
 
2118
                                if (dev->in_reset)
 
2119
                                        return -1;
 
2120
                                return aac_send_srb_fib(scsicmd);
 
2121
                        } else {
 
2122
                                scsicmd->result = DID_NO_CONNECT << 16;
 
2123
                                scsicmd->scsi_done(scsicmd);
 
2124
                                return 0;
 
2125
                        }
 
2126
                }
 
2127
        }
 
2128
        /*
 
2129
         * else Command for the controller itself
 
2130
         */
 
2131
        else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
 
2132
                (scsicmd->cmnd[0] != TEST_UNIT_READY))
 
2133
        {
 
2134
                dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
 
2135
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 
2136
                set_sense(&dev->fsa_dev[cid].sense_data,
 
2137
                  ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
 
2138
                  ASENCODE_INVALID_COMMAND, 0, 0);
 
2139
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
2140
                       min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 
2141
                             SCSI_SENSE_BUFFERSIZE));
 
2142
                scsicmd->scsi_done(scsicmd);
 
2143
                return 0;
 
2144
        }
 
2145
 
 
2146
 
 
2147
        /* Handle commands here that don't really require going out to the adapter */
 
2148
        switch (scsicmd->cmnd[0]) {
 
2149
        case INQUIRY:
 
2150
        {
 
2151
                struct inquiry_data inq_data;
 
2152
 
 
2153
                dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
 
2154
                memset(&inq_data, 0, sizeof (struct inquiry_data));
 
2155
 
 
2156
                if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
 
2157
                        char *arr = (char *)&inq_data;
 
2158
 
 
2159
                        /* EVPD bit set */
 
2160
                        arr[0] = (scmd_id(scsicmd) == host->this_id) ?
 
2161
                          INQD_PDT_PROC : INQD_PDT_DA;
 
2162
                        if (scsicmd->cmnd[2] == 0) {
 
2163
                                /* supported vital product data pages */
 
2164
                                arr[3] = 2;
 
2165
                                arr[4] = 0x0;
 
2166
                                arr[5] = 0x80;
 
2167
                                arr[1] = scsicmd->cmnd[2];
 
2168
                                scsi_sg_copy_from_buffer(scsicmd, &inq_data,
 
2169
                                                         sizeof(inq_data));
 
2170
                                scsicmd->result = DID_OK << 16 |
 
2171
                                  COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2172
                        } else if (scsicmd->cmnd[2] == 0x80) {
 
2173
                                /* unit serial number page */
 
2174
                                arr[3] = setinqserial(dev, &arr[4],
 
2175
                                  scmd_id(scsicmd));
 
2176
                                arr[1] = scsicmd->cmnd[2];
 
2177
                                scsi_sg_copy_from_buffer(scsicmd, &inq_data,
 
2178
                                                         sizeof(inq_data));
 
2179
                                if (aac_wwn != 2)
 
2180
                                        return aac_get_container_serial(
 
2181
                                                scsicmd);
 
2182
                                /* SLES 10 SP1 special */
 
2183
                                scsicmd->result = DID_OK << 16 |
 
2184
                                  COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2185
                        } else {
 
2186
                                /* vpd page not implemented */
 
2187
                                scsicmd->result = DID_OK << 16 |
 
2188
                                  COMMAND_COMPLETE << 8 |
 
2189
                                  SAM_STAT_CHECK_CONDITION;
 
2190
                                set_sense(&dev->fsa_dev[cid].sense_data,
 
2191
                                  ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
 
2192
                                  ASENCODE_NO_SENSE, 7, 2);
 
2193
                                memcpy(scsicmd->sense_buffer,
 
2194
                                  &dev->fsa_dev[cid].sense_data,
 
2195
                                  min_t(size_t,
 
2196
                                        sizeof(dev->fsa_dev[cid].sense_data),
 
2197
                                        SCSI_SENSE_BUFFERSIZE));
 
2198
                        }
 
2199
                        scsicmd->scsi_done(scsicmd);
 
2200
                        return 0;
 
2201
                }
 
2202
                inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
 
2203
                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 */
 
2204
                inq_data.inqd_len = 31;
 
2205
                /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 
2206
                inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
 
2207
                /*
 
2208
                 *      Set the Vendor, Product, and Revision Level
 
2209
                 *      see: <vendor>.c i.e. aac.c
 
2210
                 */
 
2211
                if (cid == host->this_id) {
 
2212
                        setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
 
2213
                        inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
 
2214
                        scsi_sg_copy_from_buffer(scsicmd, &inq_data,
 
2215
                                                 sizeof(inq_data));
 
2216
                        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2217
                        scsicmd->scsi_done(scsicmd);
 
2218
                        return 0;
 
2219
                }
 
2220
                if (dev->in_reset)
 
2221
                        return -1;
 
2222
                setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
 
2223
                inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
 
2224
                scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 
2225
                return aac_get_container_name(scsicmd);
 
2226
        }
 
2227
        case SERVICE_ACTION_IN:
 
2228
                if (!(dev->raw_io_interface) ||
 
2229
                    !(dev->raw_io_64) ||
 
2230
                    ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 
2231
                        break;
 
2232
        {
 
2233
                u64 capacity;
 
2234
                char cp[13];
 
2235
                unsigned int alloc_len;
 
2236
 
 
2237
                dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
 
2238
                capacity = fsa_dev_ptr[cid].size - 1;
 
2239
                cp[0] = (capacity >> 56) & 0xff;
 
2240
                cp[1] = (capacity >> 48) & 0xff;
 
2241
                cp[2] = (capacity >> 40) & 0xff;
 
2242
                cp[3] = (capacity >> 32) & 0xff;
 
2243
                cp[4] = (capacity >> 24) & 0xff;
 
2244
                cp[5] = (capacity >> 16) & 0xff;
 
2245
                cp[6] = (capacity >> 8) & 0xff;
 
2246
                cp[7] = (capacity >> 0) & 0xff;
 
2247
                cp[8] = 0;
 
2248
                cp[9] = 0;
 
2249
                cp[10] = 2;
 
2250
                cp[11] = 0;
 
2251
                cp[12] = 0;
 
2252
 
 
2253
                alloc_len = ((scsicmd->cmnd[10] << 24)
 
2254
                             + (scsicmd->cmnd[11] << 16)
 
2255
                             + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
 
2256
 
 
2257
                alloc_len = min_t(size_t, alloc_len, sizeof(cp));
 
2258
                scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
 
2259
                if (alloc_len < scsi_bufflen(scsicmd))
 
2260
                        scsi_set_resid(scsicmd,
 
2261
                                       scsi_bufflen(scsicmd) - alloc_len);
 
2262
 
 
2263
                /* Do not cache partition table for arrays */
 
2264
                scsicmd->device->removable = 1;
 
2265
 
 
2266
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2267
                scsicmd->scsi_done(scsicmd);
 
2268
 
 
2269
                return 0;
 
2270
        }
 
2271
 
 
2272
        case READ_CAPACITY:
 
2273
        {
 
2274
                u32 capacity;
 
2275
                char cp[8];
 
2276
 
 
2277
                dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
 
2278
                if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
 
2279
                        capacity = fsa_dev_ptr[cid].size - 1;
 
2280
                else
 
2281
                        capacity = (u32)-1;
 
2282
 
 
2283
                cp[0] = (capacity >> 24) & 0xff;
 
2284
                cp[1] = (capacity >> 16) & 0xff;
 
2285
                cp[2] = (capacity >> 8) & 0xff;
 
2286
                cp[3] = (capacity >> 0) & 0xff;
 
2287
                cp[4] = 0;
 
2288
                cp[5] = 0;
 
2289
                cp[6] = 2;
 
2290
                cp[7] = 0;
 
2291
                scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
 
2292
                /* Do not cache partition table for arrays */
 
2293
                scsicmd->device->removable = 1;
 
2294
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
2295
                  SAM_STAT_GOOD;
 
2296
                scsicmd->scsi_done(scsicmd);
 
2297
 
 
2298
                return 0;
 
2299
        }
 
2300
 
 
2301
        case MODE_SENSE:
 
2302
        {
 
2303
                char mode_buf[7];
 
2304
                int mode_buf_length = 4;
 
2305
 
 
2306
                dprintk((KERN_DEBUG "MODE SENSE command.\n"));
 
2307
                mode_buf[0] = 3;        /* Mode data length */
 
2308
                mode_buf[1] = 0;        /* Medium type - default */
 
2309
                mode_buf[2] = 0;        /* Device-specific param,
 
2310
                                           bit 8: 0/1 = write enabled/protected
 
2311
                                           bit 4: 0/1 = FUA enabled */
 
2312
                if (dev->raw_io_interface && ((aac_cache & 5) != 1))
 
2313
                        mode_buf[2] = 0x10;
 
2314
                mode_buf[3] = 0;        /* Block descriptor length */
 
2315
                if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
 
2316
                  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
 
2317
                        mode_buf[0] = 6;
 
2318
                        mode_buf[4] = 8;
 
2319
                        mode_buf[5] = 1;
 
2320
                        mode_buf[6] = ((aac_cache & 6) == 2)
 
2321
                                ? 0 : 0x04; /* WCE */
 
2322
                        mode_buf_length = 7;
 
2323
                        if (mode_buf_length > scsicmd->cmnd[4])
 
2324
                                mode_buf_length = scsicmd->cmnd[4];
 
2325
                }
 
2326
                scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
 
2327
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2328
                scsicmd->scsi_done(scsicmd);
 
2329
 
 
2330
                return 0;
 
2331
        }
 
2332
        case MODE_SENSE_10:
 
2333
        {
 
2334
                char mode_buf[11];
 
2335
                int mode_buf_length = 8;
 
2336
 
 
2337
                dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
 
2338
                mode_buf[0] = 0;        /* Mode data length (MSB) */
 
2339
                mode_buf[1] = 6;        /* Mode data length (LSB) */
 
2340
                mode_buf[2] = 0;        /* Medium type - default */
 
2341
                mode_buf[3] = 0;        /* Device-specific param,
 
2342
                                           bit 8: 0/1 = write enabled/protected
 
2343
                                           bit 4: 0/1 = FUA enabled */
 
2344
                if (dev->raw_io_interface && ((aac_cache & 5) != 1))
 
2345
                        mode_buf[3] = 0x10;
 
2346
                mode_buf[4] = 0;        /* reserved */
 
2347
                mode_buf[5] = 0;        /* reserved */
 
2348
                mode_buf[6] = 0;        /* Block descriptor length (MSB) */
 
2349
                mode_buf[7] = 0;        /* Block descriptor length (LSB) */
 
2350
                if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
 
2351
                  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
 
2352
                        mode_buf[1] = 9;
 
2353
                        mode_buf[8] = 8;
 
2354
                        mode_buf[9] = 1;
 
2355
                        mode_buf[10] = ((aac_cache & 6) == 2)
 
2356
                                ? 0 : 0x04; /* WCE */
 
2357
                        mode_buf_length = 11;
 
2358
                        if (mode_buf_length > scsicmd->cmnd[8])
 
2359
                                mode_buf_length = scsicmd->cmnd[8];
 
2360
                }
 
2361
                scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
 
2362
 
 
2363
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2364
                scsicmd->scsi_done(scsicmd);
 
2365
 
 
2366
                return 0;
 
2367
        }
 
2368
        case REQUEST_SENSE:
 
2369
                dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
 
2370
                memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
 
2371
                memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
 
2372
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2373
                scsicmd->scsi_done(scsicmd);
 
2374
                return 0;
 
2375
 
 
2376
        case ALLOW_MEDIUM_REMOVAL:
 
2377
                dprintk((KERN_DEBUG "LOCK command.\n"));
 
2378
                if (scsicmd->cmnd[4])
 
2379
                        fsa_dev_ptr[cid].locked = 1;
 
2380
                else
 
2381
                        fsa_dev_ptr[cid].locked = 0;
 
2382
 
 
2383
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2384
                scsicmd->scsi_done(scsicmd);
 
2385
                return 0;
 
2386
        /*
 
2387
         *      These commands are all No-Ops
 
2388
         */
 
2389
        case TEST_UNIT_READY:
 
2390
                if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
 
2391
                        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 
2392
                                SAM_STAT_CHECK_CONDITION;
 
2393
                        set_sense(&dev->fsa_dev[cid].sense_data,
 
2394
                                  NOT_READY, SENCODE_BECOMING_READY,
 
2395
                                  ASENCODE_BECOMING_READY, 0, 0);
 
2396
                        memcpy(scsicmd->sense_buffer,
 
2397
                               &dev->fsa_dev[cid].sense_data,
 
2398
                               min_t(size_t,
 
2399
                                     sizeof(dev->fsa_dev[cid].sense_data),
 
2400
                                     SCSI_SENSE_BUFFERSIZE));
 
2401
                        scsicmd->scsi_done(scsicmd);
 
2402
                        return 0;
 
2403
                }
 
2404
                /* FALLTHRU */
 
2405
        case RESERVE:
 
2406
        case RELEASE:
 
2407
        case REZERO_UNIT:
 
2408
        case REASSIGN_BLOCKS:
 
2409
        case SEEK_10:
 
2410
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2411
                scsicmd->scsi_done(scsicmd);
 
2412
                return 0;
 
2413
 
 
2414
        case START_STOP:
 
2415
                return aac_start_stop(scsicmd);
 
2416
        }
 
2417
 
 
2418
        switch (scsicmd->cmnd[0])
 
2419
        {
 
2420
                case READ_6:
 
2421
                case READ_10:
 
2422
                case READ_12:
 
2423
                case READ_16:
 
2424
                        if (dev->in_reset)
 
2425
                                return -1;
 
2426
                        /*
 
2427
                         *      Hack to keep track of ordinal number of the device that
 
2428
                         *      corresponds to a container. Needed to convert
 
2429
                         *      containers to /dev/sd device names
 
2430
                         */
 
2431
 
 
2432
                        if (scsicmd->request->rq_disk)
 
2433
                                strlcpy(fsa_dev_ptr[cid].devname,
 
2434
                                scsicmd->request->rq_disk->disk_name,
 
2435
                                min(sizeof(fsa_dev_ptr[cid].devname),
 
2436
                                sizeof(scsicmd->request->rq_disk->disk_name) + 1));
 
2437
 
 
2438
                        return aac_read(scsicmd);
 
2439
 
 
2440
                case WRITE_6:
 
2441
                case WRITE_10:
 
2442
                case WRITE_12:
 
2443
                case WRITE_16:
 
2444
                        if (dev->in_reset)
 
2445
                                return -1;
 
2446
                        return aac_write(scsicmd);
 
2447
 
 
2448
                case SYNCHRONIZE_CACHE:
 
2449
                        if (((aac_cache & 6) == 6) && dev->cache_protected) {
 
2450
                                scsicmd->result = DID_OK << 16 |
 
2451
                                        COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
2452
                                scsicmd->scsi_done(scsicmd);
 
2453
                                return 0;
 
2454
                        }
 
2455
                        /* Issue FIB to tell Firmware to flush it's cache */
 
2456
                        if ((aac_cache & 6) != 2)
 
2457
                                return aac_synchronize(scsicmd);
 
2458
                        /* FALLTHRU */
 
2459
                default:
 
2460
                        /*
 
2461
                         *      Unhandled commands
 
2462
                         */
 
2463
                        dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
 
2464
                        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 
2465
                        set_sense(&dev->fsa_dev[cid].sense_data,
 
2466
                          ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
 
2467
                          ASENCODE_INVALID_COMMAND, 0, 0);
 
2468
                        memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 
2469
                                min_t(size_t,
 
2470
                                      sizeof(dev->fsa_dev[cid].sense_data),
 
2471
                                      SCSI_SENSE_BUFFERSIZE));
 
2472
                        scsicmd->scsi_done(scsicmd);
 
2473
                        return 0;
 
2474
        }
 
2475
}
 
2476
 
 
2477
static int query_disk(struct aac_dev *dev, void __user *arg)
 
2478
{
 
2479
        struct aac_query_disk qd;
 
2480
        struct fsa_dev_info *fsa_dev_ptr;
 
2481
 
 
2482
        fsa_dev_ptr = dev->fsa_dev;
 
2483
        if (!fsa_dev_ptr)
 
2484
                return -EBUSY;
 
2485
        if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
 
2486
                return -EFAULT;
 
2487
        if (qd.cnum == -1)
 
2488
                qd.cnum = qd.id;
 
2489
        else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
 
2490
        {
 
2491
                if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
 
2492
                        return -EINVAL;
 
2493
                qd.instance = dev->scsi_host_ptr->host_no;
 
2494
                qd.bus = 0;
 
2495
                qd.id = CONTAINER_TO_ID(qd.cnum);
 
2496
                qd.lun = CONTAINER_TO_LUN(qd.cnum);
 
2497
        }
 
2498
        else return -EINVAL;
 
2499
 
 
2500
        qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
 
2501
        qd.locked = fsa_dev_ptr[qd.cnum].locked;
 
2502
        qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
 
2503
 
 
2504
        if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
 
2505
                qd.unmapped = 1;
 
2506
        else
 
2507
                qd.unmapped = 0;
 
2508
 
 
2509
        strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
 
2510
          min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
 
2511
 
 
2512
        if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
 
2513
                return -EFAULT;
 
2514
        return 0;
 
2515
}
 
2516
 
 
2517
static int force_delete_disk(struct aac_dev *dev, void __user *arg)
 
2518
{
 
2519
        struct aac_delete_disk dd;
 
2520
        struct fsa_dev_info *fsa_dev_ptr;
 
2521
 
 
2522
        fsa_dev_ptr = dev->fsa_dev;
 
2523
        if (!fsa_dev_ptr)
 
2524
                return -EBUSY;
 
2525
 
 
2526
        if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
 
2527
                return -EFAULT;
 
2528
 
 
2529
        if (dd.cnum >= dev->maximum_num_containers)
 
2530
                return -EINVAL;
 
2531
        /*
 
2532
         *      Mark this container as being deleted.
 
2533
         */
 
2534
        fsa_dev_ptr[dd.cnum].deleted = 1;
 
2535
        /*
 
2536
         *      Mark the container as no longer valid
 
2537
         */
 
2538
        fsa_dev_ptr[dd.cnum].valid = 0;
 
2539
        return 0;
 
2540
}
 
2541
 
 
2542
static int delete_disk(struct aac_dev *dev, void __user *arg)
 
2543
{
 
2544
        struct aac_delete_disk dd;
 
2545
        struct fsa_dev_info *fsa_dev_ptr;
 
2546
 
 
2547
        fsa_dev_ptr = dev->fsa_dev;
 
2548
        if (!fsa_dev_ptr)
 
2549
                return -EBUSY;
 
2550
 
 
2551
        if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
 
2552
                return -EFAULT;
 
2553
 
 
2554
        if (dd.cnum >= dev->maximum_num_containers)
 
2555
                return -EINVAL;
 
2556
        /*
 
2557
         *      If the container is locked, it can not be deleted by the API.
 
2558
         */
 
2559
        if (fsa_dev_ptr[dd.cnum].locked)
 
2560
                return -EBUSY;
 
2561
        else {
 
2562
                /*
 
2563
                 *      Mark the container as no longer being valid.
 
2564
                 */
 
2565
                fsa_dev_ptr[dd.cnum].valid = 0;
 
2566
                fsa_dev_ptr[dd.cnum].devname[0] = '\0';
 
2567
                return 0;
 
2568
        }
 
2569
}
 
2570
 
 
2571
int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
 
2572
{
 
2573
        switch (cmd) {
 
2574
        case FSACTL_QUERY_DISK:
 
2575
                return query_disk(dev, arg);
 
2576
        case FSACTL_DELETE_DISK:
 
2577
                return delete_disk(dev, arg);
 
2578
        case FSACTL_FORCE_DELETE_DISK:
 
2579
                return force_delete_disk(dev, arg);
 
2580
        case FSACTL_GET_CONTAINERS:
 
2581
                return aac_get_containers(dev);
 
2582
        default:
 
2583
                return -ENOTTY;
 
2584
        }
 
2585
}
 
2586
 
 
2587
/**
 
2588
 *
 
2589
 * aac_srb_callback
 
2590
 * @context: the context set in the fib - here it is scsi cmd
 
2591
 * @fibptr: pointer to the fib
 
2592
 *
 
2593
 * Handles the completion of a scsi command to a non dasd device
 
2594
 *
 
2595
 */
 
2596
 
 
2597
static void aac_srb_callback(void *context, struct fib * fibptr)
 
2598
{
 
2599
        struct aac_dev *dev;
 
2600
        struct aac_srb_reply *srbreply;
 
2601
        struct scsi_cmnd *scsicmd;
 
2602
 
 
2603
        scsicmd = (struct scsi_cmnd *) context;
 
2604
 
 
2605
        if (!aac_valid_context(scsicmd, fibptr))
 
2606
                return;
 
2607
 
 
2608
        BUG_ON(fibptr == NULL);
 
2609
 
 
2610
        dev = fibptr->dev;
 
2611
 
 
2612
        srbreply = (struct aac_srb_reply *) fib_data(fibptr);
 
2613
 
 
2614
        scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
 
2615
        /*
 
2616
         *      Calculate resid for sg
 
2617
         */
 
2618
 
 
2619
        scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
 
2620
                       - le32_to_cpu(srbreply->data_xfer_length));
 
2621
 
 
2622
        scsi_dma_unmap(scsicmd);
 
2623
 
 
2624
        /* expose physical device if expose_physicald flag is on */
 
2625
        if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
 
2626
          && expose_physicals > 0)
 
2627
                aac_expose_phy_device(scsicmd);
 
2628
 
 
2629
        /*
 
2630
         * First check the fib status
 
2631
         */
 
2632
 
 
2633
        if (le32_to_cpu(srbreply->status) != ST_OK){
 
2634
                int len;
 
2635
                printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
 
2636
                len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
 
2637
                            SCSI_SENSE_BUFFERSIZE);
 
2638
                scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 
2639
                memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
 
2640
        }
 
2641
 
 
2642
        /*
 
2643
         * Next check the srb status
 
2644
         */
 
2645
        switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
 
2646
        case SRB_STATUS_ERROR_RECOVERY:
 
2647
        case SRB_STATUS_PENDING:
 
2648
        case SRB_STATUS_SUCCESS:
 
2649
                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 
2650
                break;
 
2651
        case SRB_STATUS_DATA_OVERRUN:
 
2652
                switch(scsicmd->cmnd[0]){
 
2653
                case  READ_6:
 
2654
                case  WRITE_6:
 
2655
                case  READ_10:
 
2656
                case  WRITE_10:
 
2657
                case  READ_12:
 
2658
                case  WRITE_12:
 
2659
                case  READ_16:
 
2660
                case  WRITE_16:
 
2661
                        if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
 
2662
                                printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
 
2663
                        } else {
 
2664
                                printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
 
2665
                        }
 
2666
                        scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
 
2667
                        break;
 
2668
                case INQUIRY: {
 
2669
                        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 
2670
                        break;
 
2671
                }
 
2672
                default:
 
2673
                        scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
 
2674
                        break;
 
2675
                }
 
2676
                break;
 
2677
        case SRB_STATUS_ABORTED:
 
2678
                scsicmd->result = DID_ABORT << 16 | ABORT << 8;
 
2679
                break;
 
2680
        case SRB_STATUS_ABORT_FAILED:
 
2681
                // Not sure about this one - but assuming the hba was trying to abort for some reason
 
2682
                scsicmd->result = DID_ERROR << 16 | ABORT << 8;
 
2683
                break;
 
2684
        case SRB_STATUS_PARITY_ERROR:
 
2685
                scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
 
2686
                break;
 
2687
        case SRB_STATUS_NO_DEVICE:
 
2688
        case SRB_STATUS_INVALID_PATH_ID:
 
2689
        case SRB_STATUS_INVALID_TARGET_ID:
 
2690
        case SRB_STATUS_INVALID_LUN:
 
2691
        case SRB_STATUS_SELECTION_TIMEOUT:
 
2692
                scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
 
2693
                break;
 
2694
 
 
2695
        case SRB_STATUS_COMMAND_TIMEOUT:
 
2696
        case SRB_STATUS_TIMEOUT:
 
2697
                scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
 
2698
                break;
 
2699
 
 
2700
        case SRB_STATUS_BUSY:
 
2701
                scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
 
2702
                break;
 
2703
 
 
2704
        case SRB_STATUS_BUS_RESET:
 
2705
                scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
 
2706
                break;
 
2707
 
 
2708
        case SRB_STATUS_MESSAGE_REJECTED:
 
2709
                scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
 
2710
                break;
 
2711
        case SRB_STATUS_REQUEST_FLUSHED:
 
2712
        case SRB_STATUS_ERROR:
 
2713
        case SRB_STATUS_INVALID_REQUEST:
 
2714
        case SRB_STATUS_REQUEST_SENSE_FAILED:
 
2715
        case SRB_STATUS_NO_HBA:
 
2716
        case SRB_STATUS_UNEXPECTED_BUS_FREE:
 
2717
        case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
 
2718
        case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
 
2719
        case SRB_STATUS_DELAYED_RETRY:
 
2720
        case SRB_STATUS_BAD_FUNCTION:
 
2721
        case SRB_STATUS_NOT_STARTED:
 
2722
        case SRB_STATUS_NOT_IN_USE:
 
2723
        case SRB_STATUS_FORCE_ABORT:
 
2724
        case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
 
2725
        default:
 
2726
#ifdef AAC_DETAILED_STATUS_INFO
 
2727
                printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
 
2728
                        le32_to_cpu(srbreply->srb_status) & 0x3F,
 
2729
                        aac_get_status_string(
 
2730
                                le32_to_cpu(srbreply->srb_status) & 0x3F),
 
2731
                        scsicmd->cmnd[0],
 
2732
                        le32_to_cpu(srbreply->scsi_status));
 
2733
#endif
 
2734
                if ((scsicmd->cmnd[0] == ATA_12)
 
2735
                  || (scsicmd->cmnd[0] == ATA_16)) {
 
2736
                        if (scsicmd->cmnd[2] & (0x01 << 5)) {
 
2737
                                scsicmd->result = DID_OK << 16
 
2738
                                                | COMMAND_COMPLETE << 8;
 
2739
                                break;
 
2740
                        } else {
 
2741
                                scsicmd->result = DID_ERROR << 16
 
2742
                                                | COMMAND_COMPLETE << 8;
 
2743
                                break;
 
2744
                        }
 
2745
                } else {
 
2746
                        scsicmd->result = DID_ERROR << 16
 
2747
                                        | COMMAND_COMPLETE << 8;
 
2748
                        break;
 
2749
                }
 
2750
        }
 
2751
        if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
 
2752
                int len;
 
2753
                scsicmd->result |= SAM_STAT_CHECK_CONDITION;
 
2754
                len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
 
2755
                            SCSI_SENSE_BUFFERSIZE);
 
2756
#ifdef AAC_DETAILED_STATUS_INFO
 
2757
                printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
 
2758
                                        le32_to_cpu(srbreply->status), len);
 
2759
#endif
 
2760
                memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
 
2761
        }
 
2762
        /*
 
2763
         * OR in the scsi status (already shifted up a bit)
 
2764
         */
 
2765
        scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
 
2766
 
 
2767
        aac_fib_complete(fibptr);
 
2768
        aac_fib_free(fibptr);
 
2769
        scsicmd->scsi_done(scsicmd);
 
2770
}
 
2771
 
 
2772
/**
 
2773
 *
 
2774
 * aac_send_scb_fib
 
2775
 * @scsicmd: the scsi command block
 
2776
 *
 
2777
 * This routine will form a FIB and fill in the aac_srb from the
 
2778
 * scsicmd passed in.
 
2779
 */
 
2780
 
 
2781
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
 
2782
{
 
2783
        struct fib* cmd_fibcontext;
 
2784
        struct aac_dev* dev;
 
2785
        int status;
 
2786
 
 
2787
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
2788
        if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
 
2789
                        scsicmd->device->lun > 7) {
 
2790
                scsicmd->result = DID_NO_CONNECT << 16;
 
2791
                scsicmd->scsi_done(scsicmd);
 
2792
                return 0;
 
2793
        }
 
2794
 
 
2795
        /*
 
2796
         *      Allocate and initialize a Fib then setup a BlockWrite command
 
2797
         */
 
2798
        if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
 
2799
                return -1;
 
2800
        }
 
2801
        status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
 
2802
 
 
2803
        /*
 
2804
         *      Check that the command queued to the controller
 
2805
         */
 
2806
        if (status == -EINPROGRESS) {
 
2807
                scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 
2808
                return 0;
 
2809
        }
 
2810
 
 
2811
        printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
 
2812
        aac_fib_complete(cmd_fibcontext);
 
2813
        aac_fib_free(cmd_fibcontext);
 
2814
 
 
2815
        return -1;
 
2816
}
 
2817
 
 
2818
static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
 
2819
{
 
2820
        struct aac_dev *dev;
 
2821
        unsigned long byte_count = 0;
 
2822
        int nseg;
 
2823
 
 
2824
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
2825
        // Get rid of old data
 
2826
        psg->count = 0;
 
2827
        psg->sg[0].addr = 0;
 
2828
        psg->sg[0].count = 0;
 
2829
 
 
2830
        nseg = scsi_dma_map(scsicmd);
 
2831
        BUG_ON(nseg < 0);
 
2832
        if (nseg) {
 
2833
                struct scatterlist *sg;
 
2834
                int i;
 
2835
 
 
2836
                psg->count = cpu_to_le32(nseg);
 
2837
 
 
2838
                scsi_for_each_sg(scsicmd, sg, nseg, i) {
 
2839
                        psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
 
2840
                        psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
 
2841
                        byte_count += sg_dma_len(sg);
 
2842
                }
 
2843
                /* hba wants the size to be exact */
 
2844
                if (byte_count > scsi_bufflen(scsicmd)) {
 
2845
                        u32 temp = le32_to_cpu(psg->sg[i-1].count) -
 
2846
                                (byte_count - scsi_bufflen(scsicmd));
 
2847
                        psg->sg[i-1].count = cpu_to_le32(temp);
 
2848
                        byte_count = scsi_bufflen(scsicmd);
 
2849
                }
 
2850
                /* Check for command underflow */
 
2851
                if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
 
2852
                        printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
 
2853
                                        byte_count, scsicmd->underflow);
 
2854
                }
 
2855
        }
 
2856
        return byte_count;
 
2857
}
 
2858
 
 
2859
 
 
2860
static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
 
2861
{
 
2862
        struct aac_dev *dev;
 
2863
        unsigned long byte_count = 0;
 
2864
        u64 addr;
 
2865
        int nseg;
 
2866
 
 
2867
        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
2868
        // Get rid of old data
 
2869
        psg->count = 0;
 
2870
        psg->sg[0].addr[0] = 0;
 
2871
        psg->sg[0].addr[1] = 0;
 
2872
        psg->sg[0].count = 0;
 
2873
 
 
2874
        nseg = scsi_dma_map(scsicmd);
 
2875
        BUG_ON(nseg < 0);
 
2876
        if (nseg) {
 
2877
                struct scatterlist *sg;
 
2878
                int i;
 
2879
 
 
2880
                scsi_for_each_sg(scsicmd, sg, nseg, i) {
 
2881
                        int count = sg_dma_len(sg);
 
2882
                        addr = sg_dma_address(sg);
 
2883
                        psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
 
2884
                        psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
 
2885
                        psg->sg[i].count = cpu_to_le32(count);
 
2886
                        byte_count += count;
 
2887
                }
 
2888
                psg->count = cpu_to_le32(nseg);
 
2889
                /* hba wants the size to be exact */
 
2890
                if (byte_count > scsi_bufflen(scsicmd)) {
 
2891
                        u32 temp = le32_to_cpu(psg->sg[i-1].count) -
 
2892
                                (byte_count - scsi_bufflen(scsicmd));
 
2893
                        psg->sg[i-1].count = cpu_to_le32(temp);
 
2894
                        byte_count = scsi_bufflen(scsicmd);
 
2895
                }
 
2896
                /* Check for command underflow */
 
2897
                if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
 
2898
                        printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
 
2899
                                        byte_count, scsicmd->underflow);
 
2900
                }
 
2901
        }
 
2902
        return byte_count;
 
2903
}
 
2904
 
 
2905
static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
 
2906
{
 
2907
        unsigned long byte_count = 0;
 
2908
        int nseg;
 
2909
 
 
2910
        // Get rid of old data
 
2911
        psg->count = 0;
 
2912
        psg->sg[0].next = 0;
 
2913
        psg->sg[0].prev = 0;
 
2914
        psg->sg[0].addr[0] = 0;
 
2915
        psg->sg[0].addr[1] = 0;
 
2916
        psg->sg[0].count = 0;
 
2917
        psg->sg[0].flags = 0;
 
2918
 
 
2919
        nseg = scsi_dma_map(scsicmd);
 
2920
        BUG_ON(nseg < 0);
 
2921
        if (nseg) {
 
2922
                struct scatterlist *sg;
 
2923
                int i;
 
2924
 
 
2925
                scsi_for_each_sg(scsicmd, sg, nseg, i) {
 
2926
                        int count = sg_dma_len(sg);
 
2927
                        u64 addr = sg_dma_address(sg);
 
2928
                        psg->sg[i].next = 0;
 
2929
                        psg->sg[i].prev = 0;
 
2930
                        psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
 
2931
                        psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
 
2932
                        psg->sg[i].count = cpu_to_le32(count);
 
2933
                        psg->sg[i].flags = 0;
 
2934
                        byte_count += count;
 
2935
                }
 
2936
                psg->count = cpu_to_le32(nseg);
 
2937
                /* hba wants the size to be exact */
 
2938
                if (byte_count > scsi_bufflen(scsicmd)) {
 
2939
                        u32 temp = le32_to_cpu(psg->sg[i-1].count) -
 
2940
                                (byte_count - scsi_bufflen(scsicmd));
 
2941
                        psg->sg[i-1].count = cpu_to_le32(temp);
 
2942
                        byte_count = scsi_bufflen(scsicmd);
 
2943
                }
 
2944
                /* Check for command underflow */
 
2945
                if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
 
2946
                        printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
 
2947
                                        byte_count, scsicmd->underflow);
 
2948
                }
 
2949
        }
 
2950
        return byte_count;
 
2951
}
 
2952
 
 
2953
#ifdef AAC_DETAILED_STATUS_INFO
 
2954
 
 
2955
struct aac_srb_status_info {
 
2956
        u32     status;
 
2957
        char    *str;
 
2958
};
 
2959
 
 
2960
 
 
2961
static struct aac_srb_status_info srb_status_info[] = {
 
2962
        { SRB_STATUS_PENDING,           "Pending Status"},
 
2963
        { SRB_STATUS_SUCCESS,           "Success"},
 
2964
        { SRB_STATUS_ABORTED,           "Aborted Command"},
 
2965
        { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
 
2966
        { SRB_STATUS_ERROR,             "Error Event"},
 
2967
        { SRB_STATUS_BUSY,              "Device Busy"},
 
2968
        { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
 
2969
        { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
 
2970
        { SRB_STATUS_NO_DEVICE,         "No Device"},
 
2971
        { SRB_STATUS_TIMEOUT,           "Timeout"},
 
2972
        { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
 
2973
        { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
 
2974
        { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
 
2975
        { SRB_STATUS_BUS_RESET,         "Bus Reset"},
 
2976
        { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
 
2977
        { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
 
2978
        { SRB_STATUS_NO_HBA,            "No HBA"},
 
2979
        { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
 
2980
        { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
 
2981
        { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
 
2982
        { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
 
2983
        { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
 
2984
        { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
 
2985
        { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
 
2986
        { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
 
2987
        { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
 
2988
        { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
 
2989
        { SRB_STATUS_NOT_STARTED,       "Not Started"},
 
2990
        { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
 
2991
        { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
 
2992
        { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
 
2993
        { 0xff,                         "Unknown Error"}
 
2994
};
 
2995
 
 
2996
char *aac_get_status_string(u32 status)
 
2997
{
 
2998
        int i;
 
2999
 
 
3000
        for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
 
3001
                if (srb_status_info[i].status == status)
 
3002
                        return srb_status_info[i].str;
 
3003
 
 
3004
        return "Bad Status Code";
 
3005
}
 
3006
 
 
3007
#endif