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33#include <linux/kernel.h>
34#include <linux/init.h>
35#include <linux/types.h>
36#include <linux/pci.h>
37#include <linux/spinlock.h>
38#include <linux/slab.h>
39#include <linux/blkdev.h>
40#include <linux/completion.h>
41#include <linux/mm.h>
42#include <scsi/scsi_host.h>
43
44#include "aacraid.h"
45
46struct aac_common aac_config = {
47 .irq_mod = 1
48};
49
50static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
51{
52 unsigned char *base;
53 unsigned long size, align;
54 const unsigned long fibsize = 4096;
55 const unsigned long printfbufsiz = 256;
56 unsigned long host_rrq_size = 0;
57 struct aac_init *init;
58 dma_addr_t phys;
59 unsigned long aac_max_hostphysmempages;
60
61 if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1 ||
62 dev->comm_interface == AAC_COMM_MESSAGE_TYPE2)
63 host_rrq_size = (dev->scsi_host_ptr->can_queue
64 + AAC_NUM_MGT_FIB) * sizeof(u32);
65 size = fibsize + sizeof(struct aac_init) + commsize +
66 commalign + printfbufsiz + host_rrq_size;
67
68 base = pci_alloc_consistent(dev->pdev, size, &phys);
69
70 if(base == NULL)
71 {
72 printk(KERN_ERR "aacraid: unable to create mapping.\n");
73 return 0;
74 }
75 dev->comm_addr = (void *)base;
76 dev->comm_phys = phys;
77 dev->comm_size = size;
78
79 if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1 ||
80 dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
81 dev->host_rrq = (u32 *)(base + fibsize);
82 dev->host_rrq_pa = phys + fibsize;
83 memset(dev->host_rrq, 0, host_rrq_size);
84 }
85
86 dev->init = (struct aac_init *)(base + fibsize + host_rrq_size);
87 dev->init_pa = phys + fibsize + host_rrq_size;
88
89 init = dev->init;
90
91 init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
92 if (dev->max_fib_size != sizeof(struct hw_fib))
93 init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
94 init->MiniPortRevision = cpu_to_le32(Sa_MINIPORT_REVISION);
95 init->fsrev = cpu_to_le32(dev->fsrev);
96
97
98
99
100
101 dev->aif_base_va = (struct hw_fib *)base;
102
103 init->AdapterFibsVirtualAddress = 0;
104 init->AdapterFibsPhysicalAddress = cpu_to_le32((u32)phys);
105 init->AdapterFibsSize = cpu_to_le32(fibsize);
106 init->AdapterFibAlign = cpu_to_le32(sizeof(struct hw_fib));
107
108
109
110
111
112
113
114 aac_max_hostphysmempages = dma_get_required_mask(&dev->pdev->dev) >> 12;
115 if (aac_max_hostphysmempages < AAC_MAX_HOSTPHYSMEMPAGES)
116 init->HostPhysMemPages = cpu_to_le32(aac_max_hostphysmempages);
117 else
118 init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
119
120 init->InitFlags = cpu_to_le32(INITFLAGS_DRIVER_USES_UTC_TIME |
121 INITFLAGS_DRIVER_SUPPORTS_PM);
122 init->MaxIoCommands = cpu_to_le32(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB);
123 init->MaxIoSize = cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
124 init->MaxFibSize = cpu_to_le32(dev->max_fib_size);
125 init->MaxNumAif = cpu_to_le32(dev->max_num_aif);
126
127 if (dev->comm_interface == AAC_COMM_MESSAGE) {
128 init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
129 dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
130 } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
131 init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_6);
132 init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
133 INITFLAGS_NEW_COMM_TYPE1_SUPPORTED | INITFLAGS_FAST_JBOD_SUPPORTED);
134 init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32));
135 init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff));
136 dprintk((KERN_WARNING"aacraid: New Comm Interface type1 enabled\n"));
137 } else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
138 init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_7);
139 init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED |
140 INITFLAGS_NEW_COMM_TYPE2_SUPPORTED | INITFLAGS_FAST_JBOD_SUPPORTED);
141 init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32));
142 init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff));
143 init->MiniPortRevision = cpu_to_le32(0L);
144 dprintk((KERN_WARNING"aacraid: New Comm Interface type2 enabled\n"));
145 }
146
147
148
149
150 base = base + fibsize + host_rrq_size + sizeof(struct aac_init);
151 phys = (dma_addr_t)((ulong)phys + fibsize + host_rrq_size +
152 sizeof(struct aac_init));
153
154
155
156
157 align = (commalign - ((uintptr_t)(base) & (commalign - 1)));
158 base = base + align;
159 phys = phys + align;
160
161
162
163 *commaddr = base;
164 init->CommHeaderAddress = cpu_to_le32((u32)phys);
165
166
167
168 base = base + commsize;
169 phys = phys + commsize;
170
171
172
173 dev->printfbuf = (void *)base;
174 init->printfbuf = cpu_to_le32(phys);
175 init->printfbufsiz = cpu_to_le32(printfbufsiz);
176 memset(base, 0, printfbufsiz);
177 return 1;
178}
179
180static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem, int qsize)
181{
182 q->numpending = 0;
183 q->dev = dev;
184 init_waitqueue_head(&q->cmdready);
185 INIT_LIST_HEAD(&q->cmdq);
186 init_waitqueue_head(&q->qfull);
187 spin_lock_init(&q->lockdata);
188 q->lock = &q->lockdata;
189 q->headers.producer = (__le32 *)mem;
190 q->headers.consumer = (__le32 *)(mem+1);
191 *(q->headers.producer) = cpu_to_le32(qsize);
192 *(q->headers.consumer) = cpu_to_le32(qsize);
193 q->entries = qsize;
194}
195
196
197
198
199
200
201
202
203int aac_send_shutdown(struct aac_dev * dev)
204{
205 struct fib * fibctx;
206 struct aac_close *cmd;
207 int status;
208
209 fibctx = aac_fib_alloc(dev);
210 if (!fibctx)
211 return -ENOMEM;
212 aac_fib_init(fibctx);
213
214 cmd = (struct aac_close *) fib_data(fibctx);
215
216 cmd->command = cpu_to_le32(VM_CloseAll);
217 cmd->cid = cpu_to_le32(0xfffffffe);
218
219 status = aac_fib_send(ContainerCommand,
220 fibctx,
221 sizeof(struct aac_close),
222 FsaNormal,
223 -2 , 1,
224 NULL, NULL);
225
226 if (status >= 0)
227 aac_fib_complete(fibctx);
228
229 if (status != -ERESTARTSYS)
230 aac_fib_free(fibctx);
231 return status;
232}
233
234
235
236
237
238
239
240
241
242
243
244
245static int aac_comm_init(struct aac_dev * dev)
246{
247 unsigned long hdrsize = (sizeof(u32) * NUMBER_OF_COMM_QUEUES) * 2;
248 unsigned long queuesize = sizeof(struct aac_entry) * TOTAL_QUEUE_ENTRIES;
249 u32 *headers;
250 struct aac_entry * queues;
251 unsigned long size;
252 struct aac_queue_block * comm = dev->queues;
253
254
255
256
257
258
259 spin_lock_init(&dev->fib_lock);
260
261
262
263
264
265
266 size = hdrsize + queuesize;
267
268 if (!aac_alloc_comm(dev, (void * *)&headers, size, QUEUE_ALIGNMENT))
269 return -ENOMEM;
270
271 queues = (struct aac_entry *)(((ulong)headers) + hdrsize);
272
273
274 comm->queue[HostNormCmdQueue].base = queues;
275 aac_queue_init(dev, &comm->queue[HostNormCmdQueue], headers, HOST_NORM_CMD_ENTRIES);
276 queues += HOST_NORM_CMD_ENTRIES;
277 headers += 2;
278
279
280 comm->queue[HostHighCmdQueue].base = queues;
281 aac_queue_init(dev, &comm->queue[HostHighCmdQueue], headers, HOST_HIGH_CMD_ENTRIES);
282
283 queues += HOST_HIGH_CMD_ENTRIES;
284 headers +=2;
285
286
287 comm->queue[AdapNormCmdQueue].base = queues;
288 aac_queue_init(dev, &comm->queue[AdapNormCmdQueue], headers, ADAP_NORM_CMD_ENTRIES);
289
290 queues += ADAP_NORM_CMD_ENTRIES;
291 headers += 2;
292
293
294 comm->queue[AdapHighCmdQueue].base = queues;
295 aac_queue_init(dev, &comm->queue[AdapHighCmdQueue], headers, ADAP_HIGH_CMD_ENTRIES);
296
297 queues += ADAP_HIGH_CMD_ENTRIES;
298 headers += 2;
299
300
301 comm->queue[HostNormRespQueue].base = queues;
302 aac_queue_init(dev, &comm->queue[HostNormRespQueue], headers, HOST_NORM_RESP_ENTRIES);
303 queues += HOST_NORM_RESP_ENTRIES;
304 headers += 2;
305
306
307 comm->queue[HostHighRespQueue].base = queues;
308 aac_queue_init(dev, &comm->queue[HostHighRespQueue], headers, HOST_HIGH_RESP_ENTRIES);
309
310 queues += HOST_HIGH_RESP_ENTRIES;
311 headers += 2;
312
313
314 comm->queue[AdapNormRespQueue].base = queues;
315 aac_queue_init(dev, &comm->queue[AdapNormRespQueue], headers, ADAP_NORM_RESP_ENTRIES);
316
317 queues += ADAP_NORM_RESP_ENTRIES;
318 headers += 2;
319
320
321 comm->queue[AdapHighRespQueue].base = queues;
322 aac_queue_init(dev, &comm->queue[AdapHighRespQueue], headers, ADAP_HIGH_RESP_ENTRIES);
323
324 comm->queue[AdapNormCmdQueue].lock = comm->queue[HostNormRespQueue].lock;
325 comm->queue[AdapHighCmdQueue].lock = comm->queue[HostHighRespQueue].lock;
326 comm->queue[AdapNormRespQueue].lock = comm->queue[HostNormCmdQueue].lock;
327 comm->queue[AdapHighRespQueue].lock = comm->queue[HostHighCmdQueue].lock;
328
329 return 0;
330}
331
332struct aac_dev *aac_init_adapter(struct aac_dev *dev)
333{
334 u32 status[5];
335 struct Scsi_Host * host = dev->scsi_host_ptr;
336 extern int aac_sync_mode;
337
338
339
340
341 dev->management_fib_count = 0;
342 spin_lock_init(&dev->manage_lock);
343 spin_lock_init(&dev->sync_lock);
344 dev->max_fib_size = sizeof(struct hw_fib);
345 dev->sg_tablesize = host->sg_tablesize = (dev->max_fib_size
346 - sizeof(struct aac_fibhdr)
347 - sizeof(struct aac_write) + sizeof(struct sgentry))
348 / sizeof(struct sgentry);
349 dev->comm_interface = AAC_COMM_PRODUCER;
350 dev->raw_io_interface = dev->raw_io_64 = 0;
351
352 if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
353 0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
354 (status[0] == 0x00000001)) {
355 if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64))
356 dev->raw_io_64 = 1;
357 dev->sync_mode = aac_sync_mode;
358 if (dev->a_ops.adapter_comm &&
359 (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM))) {
360 dev->comm_interface = AAC_COMM_MESSAGE;
361 dev->raw_io_interface = 1;
362 if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE1))) {
363
364 dev->comm_interface = AAC_COMM_MESSAGE_TYPE1;
365 } else if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE2))) {
366
367 dev->comm_interface = AAC_COMM_MESSAGE_TYPE2;
368 } else if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE4)) ||
369 (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE3))) {
370
371
372 dev->comm_interface = AAC_COMM_MESSAGE_TYPE2;
373 dev->sync_mode = 1;
374 }
375 }
376 if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
377 (status[2] > dev->base_size)) {
378 aac_adapter_ioremap(dev, 0);
379 dev->base_size = status[2];
380 if (aac_adapter_ioremap(dev, status[2])) {
381
382 dev->comm_interface = AAC_COMM_PRODUCER;
383 if (aac_adapter_ioremap(dev, AAC_MIN_FOOTPRINT_SIZE)) {
384 printk(KERN_WARNING
385 "aacraid: unable to map adapter.\n");
386 return NULL;
387 }
388 }
389 }
390 }
391 if ((!aac_adapter_sync_cmd(dev, GET_COMM_PREFERRED_SETTINGS,
392 0, 0, 0, 0, 0, 0,
393 status+0, status+1, status+2, status+3, status+4))
394 && (status[0] == 0x00000001)) {
395
396
397
398
399
400
401
402 host->max_sectors = (status[1] >> 16) << 1;
403
404 dev->max_fib_size = status[1] & 0xFFE0;
405 host->sg_tablesize = status[2] >> 16;
406 dev->sg_tablesize = status[2] & 0xFFFF;
407 if (dev->pdev->device == PMC_DEVICE_S7 ||
408 dev->pdev->device == PMC_DEVICE_S8 ||
409 dev->pdev->device == PMC_DEVICE_S9)
410 host->can_queue = ((status[3] >> 16) ? (status[3] >> 16) :
411 (status[3] & 0xFFFF)) - AAC_NUM_MGT_FIB;
412 else
413 host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
414 dev->max_num_aif = status[4] & 0xFFFF;
415
416
417
418
419
420
421 if (acbsize == 512) {
422 host->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
423 dev->max_fib_size = 512;
424 dev->sg_tablesize = host->sg_tablesize
425 = (512 - sizeof(struct aac_fibhdr)
426 - sizeof(struct aac_write) + sizeof(struct sgentry))
427 / sizeof(struct sgentry);
428 host->can_queue = AAC_NUM_IO_FIB;
429 } else if (acbsize == 2048) {
430 host->max_sectors = 512;
431 dev->max_fib_size = 2048;
432 host->sg_tablesize = 65;
433 dev->sg_tablesize = 81;
434 host->can_queue = 512 - AAC_NUM_MGT_FIB;
435 } else if (acbsize == 4096) {
436 host->max_sectors = 1024;
437 dev->max_fib_size = 4096;
438 host->sg_tablesize = 129;
439 dev->sg_tablesize = 166;
440 host->can_queue = 256 - AAC_NUM_MGT_FIB;
441 } else if (acbsize == 8192) {
442 host->max_sectors = 2048;
443 dev->max_fib_size = 8192;
444 host->sg_tablesize = 257;
445 dev->sg_tablesize = 337;
446 host->can_queue = 128 - AAC_NUM_MGT_FIB;
447 } else if (acbsize > 0) {
448 printk("Illegal acbsize=%d ignored\n", acbsize);
449 }
450 }
451 {
452
453 if (numacb > 0) {
454 if (numacb < host->can_queue)
455 host->can_queue = numacb;
456 else
457 printk("numacb=%d ignored\n", numacb);
458 }
459 }
460
461 if (host->can_queue > AAC_NUM_IO_FIB)
462 host->can_queue = AAC_NUM_IO_FIB;
463
464
465
466
467
468 dev->queues = kzalloc(sizeof(struct aac_queue_block), GFP_KERNEL);
469 if (dev->queues == NULL) {
470 printk(KERN_ERR "Error could not allocate comm region.\n");
471 return NULL;
472 }
473
474 if (aac_comm_init(dev)<0){
475 kfree(dev->queues);
476 return NULL;
477 }
478
479
480
481 if (aac_fib_setup(dev) < 0) {
482 kfree(dev->queues);
483 return NULL;
484 }
485
486 INIT_LIST_HEAD(&dev->fib_list);
487 INIT_LIST_HEAD(&dev->sync_fib_list);
488
489 return dev;
490}
491
492
493