2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * $Id: mthca_mr.c 1349 2004-12-16 21:09:43Z roland $
36 #include <linux/slab.h>
37 #include <linux/init.h>
38 #include <linux/errno.h>
40 #include "mthca_dev.h"
41 #include "mthca_cmd.h"
42 #include "mthca_memfree.h"
45 struct mthca_buddy *buddy;
51 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
53 struct mthca_mpt_entry {
62 __be32 window_count_limit;
64 __be32 mtt_sz; /* Arbel only */
66 } __attribute__((packed));
68 #define MTHCA_MPT_FLAG_SW_OWNS (0xfUL << 28)
69 #define MTHCA_MPT_FLAG_MIO (1 << 17)
70 #define MTHCA_MPT_FLAG_BIND_ENABLE (1 << 15)
71 #define MTHCA_MPT_FLAG_PHYSICAL (1 << 9)
72 #define MTHCA_MPT_FLAG_REGION (1 << 8)
74 #define MTHCA_MTT_FLAG_PRESENT 1
76 #define MTHCA_MPT_STATUS_SW 0xF0
77 #define MTHCA_MPT_STATUS_HW 0x00
80 * Buddy allocator for MTT segments (currently not very efficient
81 * since it doesn't keep a free list and just searches linearly
82 * through the bitmaps)
85 static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order)
91 spin_lock(&buddy->lock);
93 for (o = order; o <= buddy->max_order; ++o) {
94 m = 1 << (buddy->max_order - o);
95 seg = find_first_bit(buddy->bits[o], m);
100 spin_unlock(&buddy->lock);
104 clear_bit(seg, buddy->bits[o]);
109 set_bit(seg ^ 1, buddy->bits[o]);
112 spin_unlock(&buddy->lock);
119 static void mthca_buddy_free(struct mthca_buddy *buddy, u32 seg, int order)
123 spin_lock(&buddy->lock);
125 while (test_bit(seg ^ 1, buddy->bits[order])) {
126 clear_bit(seg ^ 1, buddy->bits[order]);
131 set_bit(seg, buddy->bits[order]);
133 spin_unlock(&buddy->lock);
136 static int __devinit mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
140 buddy->max_order = max_order;
141 spin_lock_init(&buddy->lock);
143 buddy->bits = kmalloc((buddy->max_order + 1) * sizeof (long *),
148 memset(buddy->bits, 0, (buddy->max_order + 1) * sizeof (long *));
150 for (i = 0; i <= buddy->max_order; ++i) {
151 s = BITS_TO_LONGS(1 << (buddy->max_order - i));
152 buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL);
155 bitmap_zero(buddy->bits[i],
156 1 << (buddy->max_order - i));
159 set_bit(0, buddy->bits[buddy->max_order]);
164 for (i = 0; i <= buddy->max_order; ++i)
165 kfree(buddy->bits[i]);
173 static void __devexit mthca_buddy_cleanup(struct mthca_buddy *buddy)
177 for (i = 0; i <= buddy->max_order; ++i)
178 kfree(buddy->bits[i]);
183 static u32 mthca_alloc_mtt_range(struct mthca_dev *dev, int order,
184 struct mthca_buddy *buddy)
186 u32 seg = mthca_buddy_alloc(buddy, order);
191 if (mthca_is_memfree(dev))
192 if (mthca_table_get_range(dev, dev->mr_table.mtt_table, seg,
193 seg + (1 << order) - 1)) {
194 mthca_buddy_free(buddy, seg, order);
201 static struct mthca_mtt *__mthca_alloc_mtt(struct mthca_dev *dev, int size,
202 struct mthca_buddy *buddy)
204 struct mthca_mtt *mtt;
208 return ERR_PTR(-EINVAL);
210 mtt = kmalloc(sizeof *mtt, GFP_KERNEL);
212 return ERR_PTR(-ENOMEM);
216 for (i = MTHCA_MTT_SEG_SIZE / 8; i < size; i <<= 1)
219 mtt->first_seg = mthca_alloc_mtt_range(dev, mtt->order, buddy);
220 if (mtt->first_seg == -1) {
222 return ERR_PTR(-ENOMEM);
228 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size)
230 return __mthca_alloc_mtt(dev, size, &dev->mr_table.mtt_buddy);
233 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt)
238 mthca_buddy_free(mtt->buddy, mtt->first_seg, mtt->order);
240 mthca_table_put_range(dev, dev->mr_table.mtt_table,
242 mtt->first_seg + (1 << mtt->order) - 1);
247 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
248 int start_index, u64 *buffer_list, int list_len)
250 struct mthca_mailbox *mailbox;
256 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
258 return PTR_ERR(mailbox);
259 mtt_entry = mailbox->buf;
261 while (list_len > 0) {
262 mtt_entry[0] = cpu_to_be64(dev->mr_table.mtt_base +
263 mtt->first_seg * MTHCA_MTT_SEG_SIZE +
266 for (i = 0; i < list_len && i < MTHCA_MAILBOX_SIZE / 8 - 2; ++i)
267 mtt_entry[i + 2] = cpu_to_be64(buffer_list[i] |
268 MTHCA_MTT_FLAG_PRESENT);
271 * If we have an odd number of entries to write, add
272 * one more dummy entry for firmware efficiency.
275 mtt_entry[i + 2] = 0;
277 err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1, &status);
279 mthca_warn(dev, "WRITE_MTT failed (%d)\n", err);
283 mthca_warn(dev, "WRITE_MTT returned status 0x%02x\n",
295 mthca_free_mailbox(dev, mailbox);
299 static inline u32 tavor_hw_index_to_key(u32 ind)
304 static inline u32 tavor_key_to_hw_index(u32 key)
309 static inline u32 arbel_hw_index_to_key(u32 ind)
311 return (ind >> 24) | (ind << 8);
314 static inline u32 arbel_key_to_hw_index(u32 key)
316 return (key << 24) | (key >> 8);
319 static inline u32 hw_index_to_key(struct mthca_dev *dev, u32 ind)
321 if (mthca_is_memfree(dev))
322 return arbel_hw_index_to_key(ind);
324 return tavor_hw_index_to_key(ind);
327 static inline u32 key_to_hw_index(struct mthca_dev *dev, u32 key)
329 if (mthca_is_memfree(dev))
330 return arbel_key_to_hw_index(key);
332 return tavor_key_to_hw_index(key);
335 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
336 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr)
338 struct mthca_mailbox *mailbox;
339 struct mthca_mpt_entry *mpt_entry;
347 WARN_ON(buffer_size_shift >= 32);
349 key = mthca_alloc(&dev->mr_table.mpt_alloc);
352 mr->ibmr.rkey = mr->ibmr.lkey = hw_index_to_key(dev, key);
354 if (mthca_is_memfree(dev)) {
355 err = mthca_table_get(dev, dev->mr_table.mpt_table, key);
357 goto err_out_mpt_free;
360 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
361 if (IS_ERR(mailbox)) {
362 err = PTR_ERR(mailbox);
365 mpt_entry = mailbox->buf;
367 mpt_entry->flags = cpu_to_be32(MTHCA_MPT_FLAG_SW_OWNS |
369 MTHCA_MPT_FLAG_REGION |
372 mpt_entry->flags |= cpu_to_be32(MTHCA_MPT_FLAG_PHYSICAL);
374 mpt_entry->page_size = cpu_to_be32(buffer_size_shift - 12);
375 mpt_entry->key = cpu_to_be32(key);
376 mpt_entry->pd = cpu_to_be32(pd);
377 mpt_entry->start = cpu_to_be64(iova);
378 mpt_entry->length = cpu_to_be64(total_size);
380 memset(&mpt_entry->lkey, 0,
381 sizeof *mpt_entry - offsetof(struct mthca_mpt_entry, lkey));
385 cpu_to_be64(dev->mr_table.mtt_base +
386 mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE);
389 mthca_dbg(dev, "Dumping MPT entry %08x:\n", mr->ibmr.lkey);
390 for (i = 0; i < sizeof (struct mthca_mpt_entry) / 4; ++i) {
392 printk("[%02x] ", i * 4);
393 printk(" %08x", be32_to_cpu(((__be32 *) mpt_entry)[i]));
394 if ((i + 1) % 4 == 0)
399 err = mthca_SW2HW_MPT(dev, mailbox,
400 key & (dev->limits.num_mpts - 1),
403 mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
404 goto err_out_mailbox;
406 mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
409 goto err_out_mailbox;
412 mthca_free_mailbox(dev, mailbox);
416 mthca_free_mailbox(dev, mailbox);
419 mthca_table_put(dev, dev->mr_table.mpt_table, key);
422 mthca_free(&dev->mr_table.mpt_alloc, key);
426 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
427 u32 access, struct mthca_mr *mr)
430 return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr);
433 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
434 u64 *buffer_list, int buffer_size_shift,
435 int list_len, u64 iova, u64 total_size,
436 u32 access, struct mthca_mr *mr)
440 mr->mtt = mthca_alloc_mtt(dev, list_len);
442 return PTR_ERR(mr->mtt);
444 err = mthca_write_mtt(dev, mr->mtt, 0, buffer_list, list_len);
446 mthca_free_mtt(dev, mr->mtt);
450 err = mthca_mr_alloc(dev, pd, buffer_size_shift, iova,
451 total_size, access, mr);
453 mthca_free_mtt(dev, mr->mtt);
459 static void mthca_free_region(struct mthca_dev *dev, u32 lkey)
461 mthca_table_put(dev, dev->mr_table.mpt_table,
462 key_to_hw_index(dev, lkey));
464 mthca_free(&dev->mr_table.mpt_alloc, key_to_hw_index(dev, lkey));
467 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr)
474 err = mthca_HW2SW_MPT(dev, NULL,
475 key_to_hw_index(dev, mr->ibmr.lkey) &
476 (dev->limits.num_mpts - 1),
479 mthca_warn(dev, "HW2SW_MPT failed (%d)\n", err);
481 mthca_warn(dev, "HW2SW_MPT returned status 0x%02x\n",
484 mthca_free_region(dev, mr->ibmr.lkey);
485 mthca_free_mtt(dev, mr->mtt);
488 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
489 u32 access, struct mthca_fmr *mr)
491 struct mthca_mpt_entry *mpt_entry;
492 struct mthca_mailbox *mailbox;
496 int list_len = mr->attr.max_pages;
502 if (mr->attr.page_size < 12 || mr->attr.page_size >= 32)
505 /* For Arbel, all MTTs must fit in the same page. */
506 if (mthca_is_memfree(dev) &&
507 mr->attr.max_pages * sizeof *mr->mem.arbel.mtts > PAGE_SIZE)
512 key = mthca_alloc(&dev->mr_table.mpt_alloc);
516 idx = key & (dev->limits.num_mpts - 1);
517 mr->ibmr.rkey = mr->ibmr.lkey = hw_index_to_key(dev, key);
519 if (mthca_is_memfree(dev)) {
520 err = mthca_table_get(dev, dev->mr_table.mpt_table, key);
522 goto err_out_mpt_free;
524 mr->mem.arbel.mpt = mthca_table_find(dev->mr_table.mpt_table, key);
525 BUG_ON(!mr->mem.arbel.mpt);
527 mr->mem.tavor.mpt = dev->mr_table.tavor_fmr.mpt_base +
528 sizeof *(mr->mem.tavor.mpt) * idx;
530 mr->mtt = __mthca_alloc_mtt(dev, list_len, dev->mr_table.fmr_mtt_buddy);
534 mtt_seg = mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE;
536 if (mthca_is_memfree(dev)) {
537 mr->mem.arbel.mtts = mthca_table_find(dev->mr_table.mtt_table,
539 BUG_ON(!mr->mem.arbel.mtts);
541 mr->mem.tavor.mtts = dev->mr_table.tavor_fmr.mtt_base + mtt_seg;
543 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
545 goto err_out_free_mtt;
547 mpt_entry = mailbox->buf;
549 mpt_entry->flags = cpu_to_be32(MTHCA_MPT_FLAG_SW_OWNS |
551 MTHCA_MPT_FLAG_REGION |
554 mpt_entry->page_size = cpu_to_be32(mr->attr.page_size - 12);
555 mpt_entry->key = cpu_to_be32(key);
556 mpt_entry->pd = cpu_to_be32(pd);
557 memset(&mpt_entry->start, 0,
558 sizeof *mpt_entry - offsetof(struct mthca_mpt_entry, start));
559 mpt_entry->mtt_seg = cpu_to_be64(dev->mr_table.mtt_base + mtt_seg);
562 mthca_dbg(dev, "Dumping MPT entry %08x:\n", mr->ibmr.lkey);
563 for (i = 0; i < sizeof (struct mthca_mpt_entry) / 4; ++i) {
565 printk("[%02x] ", i * 4);
566 printk(" %08x", be32_to_cpu(((__be32 *) mpt_entry)[i]));
567 if ((i + 1) % 4 == 0)
572 err = mthca_SW2HW_MPT(dev, mailbox,
573 key & (dev->limits.num_mpts - 1),
576 mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);
577 goto err_out_mailbox_free;
580 mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n",
583 goto err_out_mailbox_free;
586 mthca_free_mailbox(dev, mailbox);
589 err_out_mailbox_free:
590 mthca_free_mailbox(dev, mailbox);
593 mthca_free_mtt(dev, mr->mtt);
596 mthca_table_put(dev, dev->mr_table.mpt_table, key);
599 mthca_free(&dev->mr_table.mpt_alloc, mr->ibmr.lkey);
603 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr)
608 mthca_free_region(dev, fmr->ibmr.lkey);
609 mthca_free_mtt(dev, fmr->mtt);
614 static inline int mthca_check_fmr(struct mthca_fmr *fmr, u64 *page_list,
615 int list_len, u64 iova)
619 if (list_len > fmr->attr.max_pages)
622 page_mask = (1 << fmr->attr.page_size) - 1;
624 /* We are getting page lists, so va must be page aligned. */
625 if (iova & page_mask)
628 /* Trust the user not to pass misaligned data in page_list */
630 for (i = 0; i < list_len; ++i) {
631 if (page_list[i] & ~page_mask)
635 if (fmr->maps >= fmr->attr.max_maps)
642 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
643 int list_len, u64 iova)
645 struct mthca_fmr *fmr = to_mfmr(ibfmr);
646 struct mthca_dev *dev = to_mdev(ibfmr->device);
647 struct mthca_mpt_entry mpt_entry;
651 err = mthca_check_fmr(fmr, page_list, list_len, iova);
657 key = tavor_key_to_hw_index(fmr->ibmr.lkey);
658 key += dev->limits.num_mpts;
659 fmr->ibmr.lkey = fmr->ibmr.rkey = tavor_hw_index_to_key(key);
661 writeb(MTHCA_MPT_STATUS_SW, fmr->mem.tavor.mpt);
663 for (i = 0; i < list_len; ++i) {
664 __be64 mtt_entry = cpu_to_be64(page_list[i] |
665 MTHCA_MTT_FLAG_PRESENT);
666 mthca_write64_raw(mtt_entry, fmr->mem.tavor.mtts + i);
669 mpt_entry.lkey = cpu_to_be32(key);
670 mpt_entry.length = cpu_to_be64(list_len * (1ull << fmr->attr.page_size));
671 mpt_entry.start = cpu_to_be64(iova);
673 __raw_writel((__force u32) mpt_entry.lkey, &fmr->mem.tavor.mpt->key);
674 memcpy_toio(&fmr->mem.tavor.mpt->start, &mpt_entry.start,
675 offsetof(struct mthca_mpt_entry, window_count) -
676 offsetof(struct mthca_mpt_entry, start));
678 writeb(MTHCA_MPT_STATUS_HW, fmr->mem.tavor.mpt);
683 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
684 int list_len, u64 iova)
686 struct mthca_fmr *fmr = to_mfmr(ibfmr);
687 struct mthca_dev *dev = to_mdev(ibfmr->device);
691 err = mthca_check_fmr(fmr, page_list, list_len, iova);
697 key = arbel_key_to_hw_index(fmr->ibmr.lkey);
698 key += dev->limits.num_mpts;
699 fmr->ibmr.lkey = fmr->ibmr.rkey = arbel_hw_index_to_key(key);
701 *(u8 *) fmr->mem.arbel.mpt = MTHCA_MPT_STATUS_SW;
705 for (i = 0; i < list_len; ++i)
706 fmr->mem.arbel.mtts[i] = cpu_to_be64(page_list[i] |
707 MTHCA_MTT_FLAG_PRESENT);
709 fmr->mem.arbel.mpt->key = cpu_to_be32(key);
710 fmr->mem.arbel.mpt->lkey = cpu_to_be32(key);
711 fmr->mem.arbel.mpt->length = cpu_to_be64(list_len * (1ull << fmr->attr.page_size));
712 fmr->mem.arbel.mpt->start = cpu_to_be64(iova);
716 *(u8 *) fmr->mem.arbel.mpt = MTHCA_MPT_STATUS_HW;
723 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr)
730 key = tavor_key_to_hw_index(fmr->ibmr.lkey);
731 key &= dev->limits.num_mpts - 1;
732 fmr->ibmr.lkey = fmr->ibmr.rkey = tavor_hw_index_to_key(key);
736 writeb(MTHCA_MPT_STATUS_SW, fmr->mem.tavor.mpt);
739 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr)
746 key = arbel_key_to_hw_index(fmr->ibmr.lkey);
747 key &= dev->limits.num_mpts - 1;
748 fmr->ibmr.lkey = fmr->ibmr.rkey = arbel_hw_index_to_key(key);
752 *(u8 *) fmr->mem.arbel.mpt = MTHCA_MPT_STATUS_SW;
755 int __devinit mthca_init_mr_table(struct mthca_dev *dev)
759 err = mthca_alloc_init(&dev->mr_table.mpt_alloc,
760 dev->limits.num_mpts,
761 ~0, dev->limits.reserved_mrws);
765 if (!mthca_is_memfree(dev) &&
766 (dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN))
767 dev->limits.fmr_reserved_mtts = 0;
769 dev->mthca_flags |= MTHCA_FLAG_FMR;
771 err = mthca_buddy_init(&dev->mr_table.mtt_buddy,
772 fls(dev->limits.num_mtt_segs - 1));
777 dev->mr_table.tavor_fmr.mpt_base = NULL;
778 dev->mr_table.tavor_fmr.mtt_base = NULL;
780 if (dev->limits.fmr_reserved_mtts) {
781 i = fls(dev->limits.fmr_reserved_mtts - 1);
784 mthca_warn(dev, "Unable to reserve 2^31 FMR MTTs.\n");
789 dev->mr_table.tavor_fmr.mpt_base =
790 ioremap(dev->mr_table.mpt_base,
791 (1 << i) * sizeof (struct mthca_mpt_entry));
793 if (!dev->mr_table.tavor_fmr.mpt_base) {
794 mthca_warn(dev, "MPT ioremap for FMR failed.\n");
799 dev->mr_table.tavor_fmr.mtt_base =
800 ioremap(dev->mr_table.mtt_base,
801 (1 << i) * MTHCA_MTT_SEG_SIZE);
802 if (!dev->mr_table.tavor_fmr.mtt_base) {
803 mthca_warn(dev, "MTT ioremap for FMR failed.\n");
808 err = mthca_buddy_init(&dev->mr_table.tavor_fmr.mtt_buddy, i);
810 goto err_fmr_mtt_buddy;
812 /* Prevent regular MRs from using FMR keys */
813 err = mthca_buddy_alloc(&dev->mr_table.mtt_buddy, i);
815 goto err_reserve_fmr;
817 dev->mr_table.fmr_mtt_buddy =
818 &dev->mr_table.tavor_fmr.mtt_buddy;
820 dev->mr_table.fmr_mtt_buddy = &dev->mr_table.mtt_buddy;
822 /* FMR table is always the first, take reserved MTTs out of there */
823 if (dev->limits.reserved_mtts) {
824 i = fls(dev->limits.reserved_mtts - 1);
826 if (mthca_alloc_mtt_range(dev, i,
827 dev->mr_table.fmr_mtt_buddy) == -1) {
828 mthca_warn(dev, "MTT table of order %d is too small.\n",
829 dev->mr_table.fmr_mtt_buddy->max_order);
831 goto err_reserve_mtts;
839 if (dev->limits.fmr_reserved_mtts)
840 mthca_buddy_cleanup(&dev->mr_table.tavor_fmr.mtt_buddy);
843 if (dev->mr_table.tavor_fmr.mtt_base)
844 iounmap(dev->mr_table.tavor_fmr.mtt_base);
847 if (dev->mr_table.tavor_fmr.mpt_base)
848 iounmap(dev->mr_table.tavor_fmr.mpt_base);
851 mthca_buddy_cleanup(&dev->mr_table.mtt_buddy);
854 mthca_alloc_cleanup(&dev->mr_table.mpt_alloc);
859 void __devexit mthca_cleanup_mr_table(struct mthca_dev *dev)
861 /* XXX check if any MRs are still allocated? */
862 if (dev->limits.fmr_reserved_mtts)
863 mthca_buddy_cleanup(&dev->mr_table.tavor_fmr.mtt_buddy);
865 mthca_buddy_cleanup(&dev->mr_table.mtt_buddy);
867 if (dev->mr_table.tavor_fmr.mtt_base)
868 iounmap(dev->mr_table.tavor_fmr.mtt_base);
869 if (dev->mr_table.tavor_fmr.mpt_base)
870 iounmap(dev->mr_table.tavor_fmr.mpt_base);
872 mthca_alloc_cleanup(&dev->mr_table.mpt_alloc);