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24#include <linux/mempool.h>
25#include <linux/slab.h>
26#include <linux/pci.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi.h>
30#include <scsi/scsi_device.h>
31#include <scsi/scsi_transport_fc.h>
32#include <scsi/fc/fc_fs.h>
33
34#include "lpfc_hw4.h"
35#include "lpfc_hw.h"
36#include "lpfc_sli.h"
37#include "lpfc_sli4.h"
38#include "lpfc_nl.h"
39#include "lpfc_disc.h"
40#include "lpfc.h"
41#include "lpfc_scsi.h"
42#include "lpfc_crtn.h"
43#include "lpfc_logmsg.h"
44
45#define LPFC_MBUF_POOL_SIZE 64
46#define LPFC_MEM_POOL_SIZE 64
47#define LPFC_DEVICE_DATA_POOL_SIZE 64
48#define LPFC_RRQ_POOL_SIZE 256
49#define LPFC_MBX_POOL_SIZE 256
50
51int
52lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *phba) {
53 size_t bytes;
54 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
55
56 if (max_xri <= 0)
57 return -ENOMEM;
58 bytes = ((BITS_PER_LONG - 1 + max_xri) / BITS_PER_LONG) *
59 sizeof(unsigned long);
60 phba->cfg_rrq_xri_bitmap_sz = bytes;
61 phba->active_rrq_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
62 bytes);
63 if (!phba->active_rrq_pool)
64 return -ENOMEM;
65 else
66 return 0;
67}
68
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84
85int
86lpfc_mem_alloc(struct lpfc_hba *phba, int align)
87{
88 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
89 int i;
90
91
92 phba->lpfc_mbuf_pool = dma_pool_create("lpfc_mbuf_pool", &phba->pcidev->dev,
93 LPFC_BPL_SIZE,
94 align, 0);
95 if (!phba->lpfc_mbuf_pool)
96 goto fail;
97
98 pool->elements = kmalloc_array(LPFC_MBUF_POOL_SIZE,
99 sizeof(struct lpfc_dmabuf),
100 GFP_KERNEL);
101 if (!pool->elements)
102 goto fail_free_lpfc_mbuf_pool;
103
104 pool->max_count = 0;
105 pool->current_count = 0;
106 for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) {
107 pool->elements[i].virt = dma_pool_alloc(phba->lpfc_mbuf_pool,
108 GFP_KERNEL, &pool->elements[i].phys);
109 if (!pool->elements[i].virt)
110 goto fail_free_mbuf_pool;
111 pool->max_count++;
112 pool->current_count++;
113 }
114
115 phba->mbox_mem_pool = mempool_create_kmalloc_pool(LPFC_MBX_POOL_SIZE,
116 sizeof(LPFC_MBOXQ_t));
117 if (!phba->mbox_mem_pool)
118 goto fail_free_mbuf_pool;
119
120 phba->nlp_mem_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
121 sizeof(struct lpfc_nodelist));
122 if (!phba->nlp_mem_pool)
123 goto fail_free_mbox_pool;
124
125 if (phba->sli_rev == LPFC_SLI_REV4) {
126 phba->rrq_pool =
127 mempool_create_kmalloc_pool(LPFC_RRQ_POOL_SIZE,
128 sizeof(struct lpfc_node_rrq));
129 if (!phba->rrq_pool)
130 goto fail_free_nlp_mem_pool;
131 phba->lpfc_hrb_pool = dma_pool_create("lpfc_hrb_pool",
132 &phba->pcidev->dev,
133 LPFC_HDR_BUF_SIZE, align, 0);
134 if (!phba->lpfc_hrb_pool)
135 goto fail_free_rrq_mem_pool;
136
137 phba->lpfc_drb_pool = dma_pool_create("lpfc_drb_pool",
138 &phba->pcidev->dev,
139 LPFC_DATA_BUF_SIZE, align, 0);
140 if (!phba->lpfc_drb_pool)
141 goto fail_free_hrb_pool;
142 phba->lpfc_hbq_pool = NULL;
143 } else {
144 phba->lpfc_hbq_pool = dma_pool_create("lpfc_hbq_pool",
145 &phba->pcidev->dev, LPFC_BPL_SIZE, align, 0);
146 if (!phba->lpfc_hbq_pool)
147 goto fail_free_nlp_mem_pool;
148 phba->lpfc_hrb_pool = NULL;
149 phba->lpfc_drb_pool = NULL;
150 }
151
152 if (phba->cfg_EnableXLane) {
153 phba->device_data_mem_pool = mempool_create_kmalloc_pool(
154 LPFC_DEVICE_DATA_POOL_SIZE,
155 sizeof(struct lpfc_device_data));
156 if (!phba->device_data_mem_pool)
157 goto fail_free_drb_pool;
158 } else {
159 phba->device_data_mem_pool = NULL;
160 }
161
162 return 0;
163fail_free_drb_pool:
164 dma_pool_destroy(phba->lpfc_drb_pool);
165 phba->lpfc_drb_pool = NULL;
166 fail_free_hrb_pool:
167 dma_pool_destroy(phba->lpfc_hrb_pool);
168 phba->lpfc_hrb_pool = NULL;
169 fail_free_rrq_mem_pool:
170 mempool_destroy(phba->rrq_pool);
171 phba->rrq_pool = NULL;
172 fail_free_nlp_mem_pool:
173 mempool_destroy(phba->nlp_mem_pool);
174 phba->nlp_mem_pool = NULL;
175 fail_free_mbox_pool:
176 mempool_destroy(phba->mbox_mem_pool);
177 phba->mbox_mem_pool = NULL;
178 fail_free_mbuf_pool:
179 while (i--)
180 dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
181 pool->elements[i].phys);
182 kfree(pool->elements);
183 fail_free_lpfc_mbuf_pool:
184 dma_pool_destroy(phba->lpfc_mbuf_pool);
185 phba->lpfc_mbuf_pool = NULL;
186 fail:
187 return -ENOMEM;
188}
189
190int
191lpfc_nvmet_mem_alloc(struct lpfc_hba *phba)
192{
193 phba->lpfc_nvmet_drb_pool =
194 dma_pool_create("lpfc_nvmet_drb_pool",
195 &phba->pcidev->dev, LPFC_NVMET_DATA_BUF_SIZE,
196 SGL_ALIGN_SZ, 0);
197 if (!phba->lpfc_nvmet_drb_pool) {
198 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
199 "6024 Can't enable NVME Target - no memory\n");
200 return -ENOMEM;
201 }
202 return 0;
203}
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212
213
214void
215lpfc_mem_free(struct lpfc_hba *phba)
216{
217 int i;
218 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
219 struct lpfc_device_data *device_data;
220
221
222 lpfc_sli_hbqbuf_free_all(phba);
223 dma_pool_destroy(phba->lpfc_nvmet_drb_pool);
224 phba->lpfc_nvmet_drb_pool = NULL;
225
226 dma_pool_destroy(phba->lpfc_drb_pool);
227 phba->lpfc_drb_pool = NULL;
228
229 dma_pool_destroy(phba->lpfc_hrb_pool);
230 phba->lpfc_hrb_pool = NULL;
231
232 dma_pool_destroy(phba->lpfc_hbq_pool);
233 phba->lpfc_hbq_pool = NULL;
234
235 mempool_destroy(phba->rrq_pool);
236 phba->rrq_pool = NULL;
237
238
239 mempool_destroy(phba->nlp_mem_pool);
240 phba->nlp_mem_pool = NULL;
241 if (phba->sli_rev == LPFC_SLI_REV4 && phba->active_rrq_pool) {
242 mempool_destroy(phba->active_rrq_pool);
243 phba->active_rrq_pool = NULL;
244 }
245
246
247 mempool_destroy(phba->mbox_mem_pool);
248 phba->mbox_mem_pool = NULL;
249
250
251 for (i = 0; i < pool->current_count; i++)
252 dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
253 pool->elements[i].phys);
254 kfree(pool->elements);
255
256 dma_pool_destroy(phba->lpfc_mbuf_pool);
257 phba->lpfc_mbuf_pool = NULL;
258
259
260 if (phba->device_data_mem_pool) {
261
262 while (!list_empty(&phba->luns)) {
263 device_data = list_first_entry(&phba->luns,
264 struct lpfc_device_data,
265 listentry);
266 list_del(&device_data->listentry);
267 mempool_free(device_data, phba->device_data_mem_pool);
268 }
269 mempool_destroy(phba->device_data_mem_pool);
270 }
271 phba->device_data_mem_pool = NULL;
272 return;
273}
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285
286void
287lpfc_mem_free_all(struct lpfc_hba *phba)
288{
289 struct lpfc_sli *psli = &phba->sli;
290 LPFC_MBOXQ_t *mbox, *next_mbox;
291 struct lpfc_dmabuf *mp;
292
293
294 list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq, list) {
295 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
296 if (mp) {
297 lpfc_mbuf_free(phba, mp->virt, mp->phys);
298 kfree(mp);
299 }
300 list_del(&mbox->list);
301 mempool_free(mbox, phba->mbox_mem_pool);
302 }
303
304 list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq_cmpl, list) {
305 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
306 if (mp) {
307 lpfc_mbuf_free(phba, mp->virt, mp->phys);
308 kfree(mp);
309 }
310 list_del(&mbox->list);
311 mempool_free(mbox, phba->mbox_mem_pool);
312 }
313
314 spin_lock_irq(&phba->hbalock);
315 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
316 spin_unlock_irq(&phba->hbalock);
317 if (psli->mbox_active) {
318 mbox = psli->mbox_active;
319 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
320 if (mp) {
321 lpfc_mbuf_free(phba, mp->virt, mp->phys);
322 kfree(mp);
323 }
324 mempool_free(mbox, phba->mbox_mem_pool);
325 psli->mbox_active = NULL;
326 }
327
328
329 lpfc_mem_free(phba);
330
331
332 dma_pool_destroy(phba->lpfc_sg_dma_buf_pool);
333 phba->lpfc_sg_dma_buf_pool = NULL;
334
335 dma_pool_destroy(phba->lpfc_cmd_rsp_buf_pool);
336 phba->lpfc_cmd_rsp_buf_pool = NULL;
337
338
339 kfree(psli->iocbq_lookup);
340 psli->iocbq_lookup = NULL;
341
342 return;
343}
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363void *
364lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
365{
366 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
367 unsigned long iflags;
368 void *ret;
369
370 ret = dma_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle);
371
372 spin_lock_irqsave(&phba->hbalock, iflags);
373 if (!ret && (mem_flags & MEM_PRI) && pool->current_count) {
374 pool->current_count--;
375 ret = pool->elements[pool->current_count].virt;
376 *handle = pool->elements[pool->current_count].phys;
377 }
378 spin_unlock_irqrestore(&phba->hbalock, iflags);
379 return ret;
380}
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396void
397__lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
398{
399 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
400
401 if (pool->current_count < pool->max_count) {
402 pool->elements[pool->current_count].virt = virt;
403 pool->elements[pool->current_count].phys = dma;
404 pool->current_count++;
405 } else {
406 dma_pool_free(phba->lpfc_mbuf_pool, virt, dma);
407 }
408 return;
409}
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424void
425lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
426{
427 unsigned long iflags;
428
429 spin_lock_irqsave(&phba->hbalock, iflags);
430 __lpfc_mbuf_free(phba, virt, dma);
431 spin_unlock_irqrestore(&phba->hbalock, iflags);
432 return;
433}
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449void *
450lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
451{
452 void *ret;
453
454 ret = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle);
455 return ret;
456}
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467void
468lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virt, dma_addr_t dma)
469{
470 dma_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma);
471}
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486struct hbq_dmabuf *
487lpfc_els_hbq_alloc(struct lpfc_hba *phba)
488{
489 struct hbq_dmabuf *hbqbp;
490
491 hbqbp = kzalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL);
492 if (!hbqbp)
493 return NULL;
494
495 hbqbp->dbuf.virt = dma_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
496 &hbqbp->dbuf.phys);
497 if (!hbqbp->dbuf.virt) {
498 kfree(hbqbp);
499 return NULL;
500 }
501 hbqbp->total_size = LPFC_BPL_SIZE;
502 return hbqbp;
503}
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517void
518lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
519{
520 dma_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
521 kfree(hbqbp);
522 return;
523}
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538struct hbq_dmabuf *
539lpfc_sli4_rb_alloc(struct lpfc_hba *phba)
540{
541 struct hbq_dmabuf *dma_buf;
542
543 dma_buf = kzalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL);
544 if (!dma_buf)
545 return NULL;
546
547 dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
548 &dma_buf->hbuf.phys);
549 if (!dma_buf->hbuf.virt) {
550 kfree(dma_buf);
551 return NULL;
552 }
553 dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
554 &dma_buf->dbuf.phys);
555 if (!dma_buf->dbuf.virt) {
556 dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
557 dma_buf->hbuf.phys);
558 kfree(dma_buf);
559 return NULL;
560 }
561 dma_buf->total_size = LPFC_DATA_BUF_SIZE;
562 return dma_buf;
563}
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577void
578lpfc_sli4_rb_free(struct lpfc_hba *phba, struct hbq_dmabuf *dmab)
579{
580 dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
581 dma_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys);
582 kfree(dmab);
583}
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596struct rqb_dmabuf *
597lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba)
598{
599 struct rqb_dmabuf *dma_buf;
600
601 dma_buf = kzalloc(sizeof(*dma_buf), GFP_KERNEL);
602 if (!dma_buf)
603 return NULL;
604
605 dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
606 &dma_buf->hbuf.phys);
607 if (!dma_buf->hbuf.virt) {
608 kfree(dma_buf);
609 return NULL;
610 }
611 dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_nvmet_drb_pool,
612 GFP_KERNEL, &dma_buf->dbuf.phys);
613 if (!dma_buf->dbuf.virt) {
614 dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
615 dma_buf->hbuf.phys);
616 kfree(dma_buf);
617 return NULL;
618 }
619 dma_buf->total_size = LPFC_NVMET_DATA_BUF_SIZE;
620 return dma_buf;
621}
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635void
636lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab)
637{
638 dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
639 dma_pool_free(phba->lpfc_nvmet_drb_pool,
640 dmab->dbuf.virt, dmab->dbuf.phys);
641 kfree(dmab);
642}
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655
656void
657lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
658{
659 struct hbq_dmabuf *hbq_entry;
660 unsigned long flags;
661
662 if (!mp)
663 return;
664
665 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
666 hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
667
668 spin_lock_irqsave(&phba->hbalock, flags);
669 if (!phba->hbq_in_use) {
670 spin_unlock_irqrestore(&phba->hbalock, flags);
671 return;
672 }
673 list_del(&hbq_entry->dbuf.list);
674 if (hbq_entry->tag == -1) {
675 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
676 (phba, hbq_entry);
677 } else {
678 lpfc_sli_free_hbq(phba, hbq_entry);
679 }
680 spin_unlock_irqrestore(&phba->hbalock, flags);
681 } else {
682 lpfc_mbuf_free(phba, mp->virt, mp->phys);
683 kfree(mp);
684 }
685 return;
686}
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699
700void
701lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
702{
703 struct lpfc_rqb *rqbp;
704 struct lpfc_rqe hrqe;
705 struct lpfc_rqe drqe;
706 struct rqb_dmabuf *rqb_entry;
707 unsigned long flags;
708 int rc;
709
710 if (!mp)
711 return;
712
713 rqb_entry = container_of(mp, struct rqb_dmabuf, hbuf);
714 rqbp = rqb_entry->hrq->rqbp;
715
716 spin_lock_irqsave(&phba->hbalock, flags);
717 list_del(&rqb_entry->hbuf.list);
718 hrqe.address_lo = putPaddrLow(rqb_entry->hbuf.phys);
719 hrqe.address_hi = putPaddrHigh(rqb_entry->hbuf.phys);
720 drqe.address_lo = putPaddrLow(rqb_entry->dbuf.phys);
721 drqe.address_hi = putPaddrHigh(rqb_entry->dbuf.phys);
722 rc = lpfc_sli4_rq_put(rqb_entry->hrq, rqb_entry->drq, &hrqe, &drqe);
723 if (rc < 0) {
724 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
725 "6409 Cannot post to HRQ %d: %x %x %x "
726 "DRQ %x %x\n",
727 rqb_entry->hrq->queue_id,
728 rqb_entry->hrq->host_index,
729 rqb_entry->hrq->hba_index,
730 rqb_entry->hrq->entry_count,
731 rqb_entry->drq->host_index,
732 rqb_entry->drq->hba_index);
733 (rqbp->rqb_free_buffer)(phba, rqb_entry);
734 } else {
735 list_add_tail(&rqb_entry->hbuf.list, &rqbp->rqb_buffer_list);
736 rqbp->buffer_count++;
737 }
738
739 spin_unlock_irqrestore(&phba->hbalock, flags);
740}
741