1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2014 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <linux/mempool.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
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>
37 #include "lpfc_sli4.h"
39 #include "lpfc_disc.h"
41 #include "lpfc_scsi.h"
42 #include "lpfc_crtn.h"
43 #include "lpfc_logmsg.h"
45 #define LPFC_MBUF_POOL_SIZE 64 /* max elements in MBUF safety pool */
46 #define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */
47 #define LPFC_DEVICE_DATA_POOL_SIZE 64 /* max elements in device data pool */
48 #define LPFC_RRQ_POOL_SIZE 256 /* max elements in non-DMA pool */
51 lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *phba) {
53 int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
57 bytes = ((BITS_PER_LONG - 1 + max_xri) / BITS_PER_LONG) *
58 sizeof(unsigned long);
59 phba->cfg_rrq_xri_bitmap_sz = bytes;
60 phba->active_rrq_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
62 if (!phba->active_rrq_pool)
69 * lpfc_mem_alloc - create and allocate all PCI and memory pools
70 * @phba: HBA to allocate pools for
72 * Description: Creates and allocates PCI pools lpfc_mbuf_pool,
73 * lpfc_hrb_pool. Creates and allocates kmalloc-backed mempools
74 * for LPFC_MBOXQ_t and lpfc_nodelist. Also allocates the VPI bitmask.
76 * Notes: Not interrupt-safe. Must be called with no locks held. If any
77 * allocation fails, frees all successfully allocated memory before returning.
81 * -ENOMEM on failure (if any memory allocations fail)
84 lpfc_mem_alloc(struct lpfc_hba *phba, int align)
86 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
90 phba->lpfc_mbuf_pool = dma_pool_create("lpfc_mbuf_pool", &phba->pcidev->dev,
93 if (!phba->lpfc_mbuf_pool)
96 pool->elements = kmalloc_array(LPFC_MBUF_POOL_SIZE,
97 sizeof(struct lpfc_dmabuf),
100 goto fail_free_lpfc_mbuf_pool;
103 pool->current_count = 0;
104 for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) {
105 pool->elements[i].virt = dma_pool_alloc(phba->lpfc_mbuf_pool,
106 GFP_KERNEL, &pool->elements[i].phys);
107 if (!pool->elements[i].virt)
108 goto fail_free_mbuf_pool;
110 pool->current_count++;
113 phba->mbox_mem_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
114 sizeof(LPFC_MBOXQ_t));
115 if (!phba->mbox_mem_pool)
116 goto fail_free_mbuf_pool;
118 phba->nlp_mem_pool = mempool_create_kmalloc_pool(LPFC_MEM_POOL_SIZE,
119 sizeof(struct lpfc_nodelist));
120 if (!phba->nlp_mem_pool)
121 goto fail_free_mbox_pool;
123 if (phba->sli_rev == LPFC_SLI_REV4) {
125 mempool_create_kmalloc_pool(LPFC_RRQ_POOL_SIZE,
126 sizeof(struct lpfc_node_rrq));
128 goto fail_free_nlp_mem_pool;
129 phba->lpfc_hrb_pool = dma_pool_create("lpfc_hrb_pool",
131 LPFC_HDR_BUF_SIZE, align, 0);
132 if (!phba->lpfc_hrb_pool)
133 goto fail_free_rrq_mem_pool;
135 phba->lpfc_drb_pool = dma_pool_create("lpfc_drb_pool",
137 LPFC_DATA_BUF_SIZE, align, 0);
138 if (!phba->lpfc_drb_pool)
139 goto fail_free_hrb_pool;
140 phba->lpfc_hbq_pool = NULL;
142 phba->lpfc_hbq_pool = dma_pool_create("lpfc_hbq_pool",
143 &phba->pcidev->dev, LPFC_BPL_SIZE, align, 0);
144 if (!phba->lpfc_hbq_pool)
145 goto fail_free_nlp_mem_pool;
146 phba->lpfc_hrb_pool = NULL;
147 phba->lpfc_drb_pool = NULL;
150 if (phba->cfg_EnableXLane) {
151 phba->device_data_mem_pool = mempool_create_kmalloc_pool(
152 LPFC_DEVICE_DATA_POOL_SIZE,
153 sizeof(struct lpfc_device_data));
154 if (!phba->device_data_mem_pool)
155 goto fail_free_drb_pool;
157 phba->device_data_mem_pool = NULL;
162 dma_pool_destroy(phba->lpfc_drb_pool);
163 phba->lpfc_drb_pool = NULL;
165 dma_pool_destroy(phba->lpfc_hrb_pool);
166 phba->lpfc_hrb_pool = NULL;
167 fail_free_rrq_mem_pool:
168 mempool_destroy(phba->rrq_pool);
169 phba->rrq_pool = NULL;
170 fail_free_nlp_mem_pool:
171 mempool_destroy(phba->nlp_mem_pool);
172 phba->nlp_mem_pool = NULL;
174 mempool_destroy(phba->mbox_mem_pool);
175 phba->mbox_mem_pool = NULL;
178 dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
179 pool->elements[i].phys);
180 kfree(pool->elements);
181 fail_free_lpfc_mbuf_pool:
182 dma_pool_destroy(phba->lpfc_mbuf_pool);
183 phba->lpfc_mbuf_pool = NULL;
189 lpfc_nvmet_mem_alloc(struct lpfc_hba *phba)
191 phba->lpfc_nvmet_drb_pool =
192 dma_pool_create("lpfc_nvmet_drb_pool",
193 &phba->pcidev->dev, LPFC_NVMET_DATA_BUF_SIZE,
195 if (!phba->lpfc_nvmet_drb_pool) {
196 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
197 "6024 Can't enable NVME Target - no memory\n");
204 * lpfc_mem_free - Frees memory allocated by lpfc_mem_alloc
205 * @phba: HBA to free memory for
207 * Description: Free the memory allocated by lpfc_mem_alloc routine. This
208 * routine is a the counterpart of lpfc_mem_alloc.
213 lpfc_mem_free(struct lpfc_hba *phba)
216 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
217 struct lpfc_device_data *device_data;
220 lpfc_sli_hbqbuf_free_all(phba);
221 dma_pool_destroy(phba->lpfc_nvmet_drb_pool);
222 phba->lpfc_nvmet_drb_pool = NULL;
224 dma_pool_destroy(phba->lpfc_drb_pool);
225 phba->lpfc_drb_pool = NULL;
227 dma_pool_destroy(phba->lpfc_hrb_pool);
228 phba->lpfc_hrb_pool = NULL;
230 dma_pool_destroy(phba->lpfc_hbq_pool);
231 phba->lpfc_hbq_pool = NULL;
233 mempool_destroy(phba->rrq_pool);
234 phba->rrq_pool = NULL;
236 /* Free NLP memory pool */
237 mempool_destroy(phba->nlp_mem_pool);
238 phba->nlp_mem_pool = NULL;
239 if (phba->sli_rev == LPFC_SLI_REV4 && phba->active_rrq_pool) {
240 mempool_destroy(phba->active_rrq_pool);
241 phba->active_rrq_pool = NULL;
244 /* Free mbox memory pool */
245 mempool_destroy(phba->mbox_mem_pool);
246 phba->mbox_mem_pool = NULL;
248 /* Free MBUF memory pool */
249 for (i = 0; i < pool->current_count; i++)
250 dma_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
251 pool->elements[i].phys);
252 kfree(pool->elements);
254 dma_pool_destroy(phba->lpfc_mbuf_pool);
255 phba->lpfc_mbuf_pool = NULL;
257 /* Free Device Data memory pool */
258 if (phba->device_data_mem_pool) {
259 /* Ensure all objects have been returned to the pool */
260 while (!list_empty(&phba->luns)) {
261 device_data = list_first_entry(&phba->luns,
262 struct lpfc_device_data,
264 list_del(&device_data->listentry);
265 mempool_free(device_data, phba->device_data_mem_pool);
267 mempool_destroy(phba->device_data_mem_pool);
269 phba->device_data_mem_pool = NULL;
274 * lpfc_mem_free_all - Frees all PCI and driver memory
275 * @phba: HBA to free memory for
277 * Description: Free memory from PCI and driver memory pools and also those
278 * used : lpfc_sg_dma_buf_pool, lpfc_mbuf_pool, lpfc_hrb_pool. Frees
279 * kmalloc-backed mempools for LPFC_MBOXQ_t and lpfc_nodelist. Also frees
285 lpfc_mem_free_all(struct lpfc_hba *phba)
287 struct lpfc_sli *psli = &phba->sli;
288 LPFC_MBOXQ_t *mbox, *next_mbox;
289 struct lpfc_dmabuf *mp;
291 /* Free memory used in mailbox queue back to mailbox memory pool */
292 list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq, list) {
293 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
295 lpfc_mbuf_free(phba, mp->virt, mp->phys);
298 list_del(&mbox->list);
299 mempool_free(mbox, phba->mbox_mem_pool);
301 /* Free memory used in mailbox cmpl list back to mailbox memory pool */
302 list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq_cmpl, list) {
303 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
305 lpfc_mbuf_free(phba, mp->virt, mp->phys);
308 list_del(&mbox->list);
309 mempool_free(mbox, phba->mbox_mem_pool);
311 /* Free the active mailbox command back to the mailbox memory pool */
312 spin_lock_irq(&phba->hbalock);
313 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
314 spin_unlock_irq(&phba->hbalock);
315 if (psli->mbox_active) {
316 mbox = psli->mbox_active;
317 mp = (struct lpfc_dmabuf *)(mbox->ctx_buf);
319 lpfc_mbuf_free(phba, mp->virt, mp->phys);
322 mempool_free(mbox, phba->mbox_mem_pool);
323 psli->mbox_active = NULL;
326 /* Free and destroy all the allocated memory pools */
329 /* Free DMA buffer memory pool */
330 dma_pool_destroy(phba->lpfc_sg_dma_buf_pool);
331 phba->lpfc_sg_dma_buf_pool = NULL;
333 dma_pool_destroy(phba->lpfc_cmd_rsp_buf_pool);
334 phba->lpfc_cmd_rsp_buf_pool = NULL;
336 /* Free the iocb lookup array */
337 kfree(psli->iocbq_lookup);
338 psli->iocbq_lookup = NULL;
344 * lpfc_mbuf_alloc - Allocate an mbuf from the lpfc_mbuf_pool PCI pool
345 * @phba: HBA which owns the pool to allocate from
346 * @mem_flags: indicates if this is a priority (MEM_PRI) allocation
347 * @handle: used to return the DMA-mapped address of the mbuf
349 * Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool.
350 * Allocates from generic dma_pool_alloc function first and if that fails and
351 * mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the
354 * Notes: Not interrupt-safe. Must be called with no locks held. Takes
358 * pointer to the allocated mbuf on success
362 lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
364 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
365 unsigned long iflags;
368 ret = dma_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle);
370 spin_lock_irqsave(&phba->hbalock, iflags);
371 if (!ret && (mem_flags & MEM_PRI) && pool->current_count) {
372 pool->current_count--;
373 ret = pool->elements[pool->current_count].virt;
374 *handle = pool->elements[pool->current_count].phys;
376 spin_unlock_irqrestore(&phba->hbalock, iflags);
381 * __lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (locked)
382 * @phba: HBA which owns the pool to return to
383 * @virt: mbuf to free
384 * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
386 * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
387 * it is below its max_count, frees the mbuf otherwise.
389 * Notes: Must be called with phba->hbalock held to synchronize access to
390 * lpfc_mbuf_safety_pool.
395 __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
397 struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
399 if (pool->current_count < pool->max_count) {
400 pool->elements[pool->current_count].virt = virt;
401 pool->elements[pool->current_count].phys = dma;
402 pool->current_count++;
404 dma_pool_free(phba->lpfc_mbuf_pool, virt, dma);
410 * lpfc_mbuf_free - Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked)
411 * @phba: HBA which owns the pool to return to
412 * @virt: mbuf to free
413 * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
415 * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
416 * it is below its max_count, frees the mbuf otherwise.
418 * Notes: Takes phba->hbalock. Can be called with or without other locks held.
423 lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
425 unsigned long iflags;
427 spin_lock_irqsave(&phba->hbalock, iflags);
428 __lpfc_mbuf_free(phba, virt, dma);
429 spin_unlock_irqrestore(&phba->hbalock, iflags);
434 * lpfc_nvmet_buf_alloc - Allocate an nvmet_buf from the
435 * lpfc_sg_dma_buf_pool PCI pool
436 * @phba: HBA which owns the pool to allocate from
437 * @mem_flags: indicates if this is a priority (MEM_PRI) allocation
438 * @handle: used to return the DMA-mapped address of the nvmet_buf
440 * Description: Allocates a DMA-mapped buffer from the lpfc_sg_dma_buf_pool
441 * PCI pool. Allocates from generic dma_pool_alloc function.
444 * pointer to the allocated nvmet_buf on success
448 lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
452 ret = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, GFP_KERNEL, handle);
457 * lpfc_nvmet_buf_free - Free an nvmet_buf from the lpfc_sg_dma_buf_pool
459 * @phba: HBA which owns the pool to return to
460 * @virt: nvmet_buf to free
461 * @dma: the DMA-mapped address of the lpfc_sg_dma_buf_pool to be freed
466 lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virt, dma_addr_t dma)
468 dma_pool_free(phba->lpfc_sg_dma_buf_pool, virt, dma);
472 * lpfc_els_hbq_alloc - Allocate an HBQ buffer
473 * @phba: HBA to allocate HBQ buffer for
475 * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hrb_pool PCI
476 * pool along a non-DMA-mapped container for it.
478 * Notes: Not interrupt-safe. Must be called with no locks held.
481 * pointer to HBQ on success
485 lpfc_els_hbq_alloc(struct lpfc_hba *phba)
487 struct hbq_dmabuf *hbqbp;
489 hbqbp = kzalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL);
493 hbqbp->dbuf.virt = dma_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
495 if (!hbqbp->dbuf.virt) {
499 hbqbp->total_size = LPFC_BPL_SIZE;
504 * lpfc_els_hbq_free - Frees an HBQ buffer allocated with lpfc_els_hbq_alloc
505 * @phba: HBA buffer was allocated for
506 * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc
508 * Description: Frees both the container and the DMA-mapped buffer returned by
509 * lpfc_els_hbq_alloc.
511 * Notes: Can be called with or without locks held.
516 lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
518 dma_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
524 * lpfc_sli4_rb_alloc - Allocate an SLI4 Receive buffer
525 * @phba: HBA to allocate a receive buffer for
527 * Description: Allocates a DMA-mapped receive buffer from the lpfc_hrb_pool PCI
528 * pool along a non-DMA-mapped container for it.
530 * Notes: Not interrupt-safe. Must be called with no locks held.
533 * pointer to HBQ on success
537 lpfc_sli4_rb_alloc(struct lpfc_hba *phba)
539 struct hbq_dmabuf *dma_buf;
541 dma_buf = kzalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL);
545 dma_buf->hbuf.virt = dma_pool_alloc(phba->lpfc_hrb_pool, GFP_KERNEL,
546 &dma_buf->hbuf.phys);
547 if (!dma_buf->hbuf.virt) {
551 dma_buf->dbuf.virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL,
552 &dma_buf->dbuf.phys);
553 if (!dma_buf->dbuf.virt) {
554 dma_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt,
559 dma_buf->total_size = LPFC_DATA_BUF_SIZE;
564 * lpfc_sli4_rb_free - Frees a receive buffer
565 * @phba: HBA buffer was allocated for
566 * @dmab: DMA Buffer container returned by lpfc_sli4_hbq_alloc
568 * Description: Frees both the container and the DMA-mapped buffers returned by
569 * lpfc_sli4_rb_alloc.
571 * Notes: Can be called with or without locks held.
576 lpfc_sli4_rb_free(struct lpfc_hba *phba, struct hbq_dmabuf *dmab)
578 dma_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys);
579 dma_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys);
584 * lpfc_sli4_nvmet_alloc - Allocate an SLI4 Receive buffer
585 * @phba: HBA to allocate a receive buffer for
587 * Description: Allocates a DMA-mapped receive buffer from the lpfc_hrb_pool PCI
588 * pool along a non-DMA-mapped container for it.
590 * Notes: Not interrupt-safe. Must be called with no locks held.
593 * pointer to HBQ on success
597 lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba)
599 struct rqb_dmabuf *dma_buf;
601 dma_buf = kzalloc(sizeof(struct rqb_dmabuf), GFP_KERNEL);
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) {
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,
619 dma_buf->total_size = LPFC_NVMET_DATA_BUF_SIZE;
624 * lpfc_sli4_nvmet_free - Frees a receive buffer
625 * @phba: HBA buffer was allocated for
626 * @dmab: DMA Buffer container returned by lpfc_sli4_rbq_alloc
628 * Description: Frees both the container and the DMA-mapped buffers returned by
629 * lpfc_sli4_nvmet_alloc.
631 * Notes: Can be called with or without locks held.
636 lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab)
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);
645 * lpfc_in_buf_free - Free a DMA buffer
646 * @phba: HBA buffer is associated with
647 * @mp: Buffer to free
649 * Description: Frees the given DMA buffer in the appropriate way given if the
650 * HBA is running in SLI3 mode with HBQs enabled.
652 * Notes: Takes phba->hbalock. Can be called with or without other locks held.
657 lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
659 struct hbq_dmabuf *hbq_entry;
665 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
666 hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
667 /* Check whether HBQ is still in use */
668 spin_lock_irqsave(&phba->hbalock, flags);
669 if (!phba->hbq_in_use) {
670 spin_unlock_irqrestore(&phba->hbalock, flags);
673 list_del(&hbq_entry->dbuf.list);
674 if (hbq_entry->tag == -1) {
675 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
678 lpfc_sli_free_hbq(phba, hbq_entry);
680 spin_unlock_irqrestore(&phba->hbalock, flags);
682 lpfc_mbuf_free(phba, mp->virt, mp->phys);
689 * lpfc_rq_buf_free - Free a RQ DMA buffer
690 * @phba: HBA buffer is associated with
691 * @mp: Buffer to free
693 * Description: Frees the given DMA buffer in the appropriate way given by
694 * reposting it to its associated RQ so it can be reused.
696 * Notes: Takes phba->hbalock. Can be called with or without other locks held.
701 lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
703 struct lpfc_rqb *rqbp;
704 struct lpfc_rqe hrqe;
705 struct lpfc_rqe drqe;
706 struct rqb_dmabuf *rqb_entry;
713 rqb_entry = container_of(mp, struct rqb_dmabuf, hbuf);
714 rqbp = rqb_entry->hrq->rqbp;
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);
724 (rqbp->rqb_free_buffer)(phba, rqb_entry);
725 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
726 "6409 Cannot post to HRQ %d: %x %x %x "
728 rqb_entry->hrq->queue_id,
729 rqb_entry->hrq->host_index,
730 rqb_entry->hrq->hba_index,
731 rqb_entry->hrq->entry_count,
732 rqb_entry->drq->host_index,
733 rqb_entry->drq->hba_index);
735 list_add_tail(&rqb_entry->hbuf.list, &rqbp->rqb_buffer_list);
736 rqbp->buffer_count++;
739 spin_unlock_irqrestore(&phba->hbalock, flags);