2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2005 Cisco Systems. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * $Id: mthca_cmd.c 1349 2004-12-16 21:09:43Z roland $
37 #include <linux/sched.h>
38 #include <linux/pci.h>
39 #include <linux/errno.h>
41 #include <rdma/ib_mad.h>
43 #include "mthca_dev.h"
44 #include "mthca_config_reg.h"
45 #include "mthca_cmd.h"
46 #include "mthca_memfree.h"
48 #define CMD_POLL_TOKEN 0xffff
51 HCR_IN_PARAM_OFFSET
= 0x00,
52 HCR_IN_MODIFIER_OFFSET
= 0x08,
53 HCR_OUT_PARAM_OFFSET
= 0x0c,
54 HCR_TOKEN_OFFSET
= 0x14,
55 HCR_STATUS_OFFSET
= 0x18,
63 /* initialization and general commands */
69 CMD_MOD_STAT_CFG
= 0x34,
70 CMD_QUERY_DEV_LIM
= 0x3,
72 CMD_ENABLE_LAM
= 0xff8,
73 CMD_DISABLE_LAM
= 0xff7,
75 CMD_QUERY_ADAPTER
= 0x6,
82 CMD_ACCESS_DDR
= 0x2e,
84 CMD_UNMAP_ICM
= 0xff9,
85 CMD_MAP_ICM_AUX
= 0xffc,
86 CMD_UNMAP_ICM_AUX
= 0xffb,
87 CMD_SET_ICM_SIZE
= 0xffd,
107 CMD_RESIZE_CQ
= 0x2c,
110 CMD_SW2HW_SRQ
= 0x35,
111 CMD_HW2SW_SRQ
= 0x36,
112 CMD_QUERY_SRQ
= 0x37,
116 CMD_RST2INIT_QPEE
= 0x19,
117 CMD_INIT2RTR_QPEE
= 0x1a,
118 CMD_RTR2RTS_QPEE
= 0x1b,
119 CMD_RTS2RTS_QPEE
= 0x1c,
120 CMD_SQERR2RTS_QPEE
= 0x1d,
121 CMD_2ERR_QPEE
= 0x1e,
122 CMD_RTS2SQD_QPEE
= 0x1f,
123 CMD_SQD2SQD_QPEE
= 0x38,
124 CMD_SQD2RTS_QPEE
= 0x20,
125 CMD_ERR2RST_QPEE
= 0x21,
126 CMD_QUERY_QPEE
= 0x22,
127 CMD_INIT2INIT_QPEE
= 0x2d,
128 CMD_SUSPEND_QPEE
= 0x32,
129 CMD_UNSUSPEND_QPEE
= 0x33,
130 /* special QPs and management commands */
131 CMD_CONF_SPECIAL_QP
= 0x23,
134 /* multicast commands */
136 CMD_WRITE_MGM
= 0x26,
137 CMD_MGID_HASH
= 0x27,
139 /* miscellaneous commands */
140 CMD_DIAG_RPRT
= 0x30,
144 CMD_QUERY_DEBUG_MSG
= 0x2a,
145 CMD_SET_DEBUG_MSG
= 0x2b,
149 * According to Mellanox code, FW may be starved and never complete
150 * commands. So we can't use strict timeouts described in PRM -- we
151 * just arbitrarily select 60 seconds for now.
155 * Round up and add 1 to make sure we get the full wait time (since we
156 * will be starting in the middle of a jiffy)
159 CMD_TIME_CLASS_A
= (HZ
+ 999) / 1000 + 1,
160 CMD_TIME_CLASS_B
= (HZ
+ 99) / 100 + 1,
161 CMD_TIME_CLASS_C
= (HZ
+ 9) / 10 + 1
165 CMD_TIME_CLASS_A
= 60 * HZ
,
166 CMD_TIME_CLASS_B
= 60 * HZ
,
167 CMD_TIME_CLASS_C
= 60 * HZ
172 GO_BIT_TIMEOUT
= HZ
* 10
175 struct mthca_cmd_context
{
176 struct completion done
;
177 struct timer_list timer
;
185 static inline int go_bit(struct mthca_dev
*dev
)
187 return readl(dev
->hcr
+ HCR_STATUS_OFFSET
) &
188 swab32(1 << HCR_GO_BIT
);
191 static int mthca_cmd_post(struct mthca_dev
*dev
,
202 if (down_interruptible(&dev
->cmd
.hcr_sem
))
206 unsigned long end
= jiffies
+ GO_BIT_TIMEOUT
;
208 while (go_bit(dev
) && time_before(jiffies
, end
)) {
209 set_current_state(TASK_RUNNING
);
220 * We use writel (instead of something like memcpy_toio)
221 * because writes of less than 32 bits to the HCR don't work
222 * (and some architectures such as ia64 implement memcpy_toio
223 * in terms of writeb).
225 __raw_writel((__force u32
) cpu_to_be32(in_param
>> 32), dev
->hcr
+ 0 * 4);
226 __raw_writel((__force u32
) cpu_to_be32(in_param
& 0xfffffffful
), dev
->hcr
+ 1 * 4);
227 __raw_writel((__force u32
) cpu_to_be32(in_modifier
), dev
->hcr
+ 2 * 4);
228 __raw_writel((__force u32
) cpu_to_be32(out_param
>> 32), dev
->hcr
+ 3 * 4);
229 __raw_writel((__force u32
) cpu_to_be32(out_param
& 0xfffffffful
), dev
->hcr
+ 4 * 4);
230 __raw_writel((__force u32
) cpu_to_be32(token
<< 16), dev
->hcr
+ 5 * 4);
232 /* __raw_writel may not order writes. */
235 __raw_writel((__force u32
) cpu_to_be32((1 << HCR_GO_BIT
) |
236 (event
? (1 << HCA_E_BIT
) : 0) |
237 (op_modifier
<< HCR_OPMOD_SHIFT
) |
238 op
), dev
->hcr
+ 6 * 4);
241 up(&dev
->cmd
.hcr_sem
);
245 static int mthca_cmd_poll(struct mthca_dev
*dev
,
252 unsigned long timeout
,
258 if (down_interruptible(&dev
->cmd
.poll_sem
))
261 err
= mthca_cmd_post(dev
, in_param
,
262 out_param
? *out_param
: 0,
263 in_modifier
, op_modifier
,
264 op
, CMD_POLL_TOKEN
, 0);
268 end
= timeout
+ jiffies
;
269 while (go_bit(dev
) && time_before(jiffies
, end
)) {
270 set_current_state(TASK_RUNNING
);
281 (u64
) be32_to_cpu((__force __be32
)
282 __raw_readl(dev
->hcr
+ HCR_OUT_PARAM_OFFSET
)) << 32 |
283 (u64
) be32_to_cpu((__force __be32
)
284 __raw_readl(dev
->hcr
+ HCR_OUT_PARAM_OFFSET
+ 4));
286 *status
= be32_to_cpu((__force __be32
) __raw_readl(dev
->hcr
+ HCR_STATUS_OFFSET
)) >> 24;
289 up(&dev
->cmd
.poll_sem
);
293 void mthca_cmd_event(struct mthca_dev
*dev
,
298 struct mthca_cmd_context
*context
=
299 &dev
->cmd
.context
[token
& dev
->cmd
.token_mask
];
301 /* previously timed out command completing at long last */
302 if (token
!= context
->token
)
306 context
->status
= status
;
307 context
->out_param
= out_param
;
309 context
->token
+= dev
->cmd
.token_mask
+ 1;
311 complete(&context
->done
);
314 static void event_timeout(unsigned long context_ptr
)
316 struct mthca_cmd_context
*context
=
317 (struct mthca_cmd_context
*) context_ptr
;
319 context
->result
= -EBUSY
;
320 complete(&context
->done
);
323 static int mthca_cmd_wait(struct mthca_dev
*dev
,
330 unsigned long timeout
,
334 struct mthca_cmd_context
*context
;
336 if (down_interruptible(&dev
->cmd
.event_sem
))
339 spin_lock(&dev
->cmd
.context_lock
);
340 BUG_ON(dev
->cmd
.free_head
< 0);
341 context
= &dev
->cmd
.context
[dev
->cmd
.free_head
];
342 dev
->cmd
.free_head
= context
->next
;
343 spin_unlock(&dev
->cmd
.context_lock
);
345 init_completion(&context
->done
);
347 err
= mthca_cmd_post(dev
, in_param
,
348 out_param
? *out_param
: 0,
349 in_modifier
, op_modifier
,
350 op
, context
->token
, 1);
354 context
->timer
.expires
= jiffies
+ timeout
;
355 add_timer(&context
->timer
);
357 wait_for_completion(&context
->done
);
358 del_timer_sync(&context
->timer
);
360 err
= context
->result
;
364 *status
= context
->status
;
366 mthca_dbg(dev
, "Command %02x completed with status %02x\n",
370 *out_param
= context
->out_param
;
373 spin_lock(&dev
->cmd
.context_lock
);
374 context
->next
= dev
->cmd
.free_head
;
375 dev
->cmd
.free_head
= context
- dev
->cmd
.context
;
376 spin_unlock(&dev
->cmd
.context_lock
);
378 up(&dev
->cmd
.event_sem
);
382 /* Invoke a command with an output mailbox */
383 static int mthca_cmd_box(struct mthca_dev
*dev
,
389 unsigned long timeout
,
392 if (dev
->cmd
.use_events
)
393 return mthca_cmd_wait(dev
, in_param
, &out_param
, 0,
394 in_modifier
, op_modifier
, op
,
397 return mthca_cmd_poll(dev
, in_param
, &out_param
, 0,
398 in_modifier
, op_modifier
, op
,
402 /* Invoke a command with no output parameter */
403 static int mthca_cmd(struct mthca_dev
*dev
,
408 unsigned long timeout
,
411 return mthca_cmd_box(dev
, in_param
, 0, in_modifier
,
412 op_modifier
, op
, timeout
, status
);
416 * Invoke a command with an immediate output parameter (and copy the
417 * output into the caller's out_param pointer after the command
420 static int mthca_cmd_imm(struct mthca_dev
*dev
,
426 unsigned long timeout
,
429 if (dev
->cmd
.use_events
)
430 return mthca_cmd_wait(dev
, in_param
, out_param
, 1,
431 in_modifier
, op_modifier
, op
,
434 return mthca_cmd_poll(dev
, in_param
, out_param
, 1,
435 in_modifier
, op_modifier
, op
,
439 int mthca_cmd_init(struct mthca_dev
*dev
)
441 sema_init(&dev
->cmd
.hcr_sem
, 1);
442 sema_init(&dev
->cmd
.poll_sem
, 1);
443 dev
->cmd
.use_events
= 0;
445 dev
->hcr
= ioremap(pci_resource_start(dev
->pdev
, 0) + MTHCA_HCR_BASE
,
448 mthca_err(dev
, "Couldn't map command register.");
452 dev
->cmd
.pool
= pci_pool_create("mthca_cmd", dev
->pdev
,
454 MTHCA_MAILBOX_SIZE
, 0);
455 if (!dev
->cmd
.pool
) {
463 void mthca_cmd_cleanup(struct mthca_dev
*dev
)
465 pci_pool_destroy(dev
->cmd
.pool
);
470 * Switch to using events to issue FW commands (should be called after
471 * event queue to command events has been initialized).
473 int mthca_cmd_use_events(struct mthca_dev
*dev
)
477 dev
->cmd
.context
= kmalloc(dev
->cmd
.max_cmds
*
478 sizeof (struct mthca_cmd_context
),
480 if (!dev
->cmd
.context
)
483 for (i
= 0; i
< dev
->cmd
.max_cmds
; ++i
) {
484 dev
->cmd
.context
[i
].token
= i
;
485 dev
->cmd
.context
[i
].next
= i
+ 1;
486 init_timer(&dev
->cmd
.context
[i
].timer
);
487 dev
->cmd
.context
[i
].timer
.data
=
488 (unsigned long) &dev
->cmd
.context
[i
];
489 dev
->cmd
.context
[i
].timer
.function
= event_timeout
;
492 dev
->cmd
.context
[dev
->cmd
.max_cmds
- 1].next
= -1;
493 dev
->cmd
.free_head
= 0;
495 sema_init(&dev
->cmd
.event_sem
, dev
->cmd
.max_cmds
);
496 spin_lock_init(&dev
->cmd
.context_lock
);
498 for (dev
->cmd
.token_mask
= 1;
499 dev
->cmd
.token_mask
< dev
->cmd
.max_cmds
;
500 dev
->cmd
.token_mask
<<= 1)
502 --dev
->cmd
.token_mask
;
504 dev
->cmd
.use_events
= 1;
505 down(&dev
->cmd
.poll_sem
);
511 * Switch back to polling (used when shutting down the device)
513 void mthca_cmd_use_polling(struct mthca_dev
*dev
)
517 dev
->cmd
.use_events
= 0;
519 for (i
= 0; i
< dev
->cmd
.max_cmds
; ++i
)
520 down(&dev
->cmd
.event_sem
);
522 kfree(dev
->cmd
.context
);
524 up(&dev
->cmd
.poll_sem
);
527 struct mthca_mailbox
*mthca_alloc_mailbox(struct mthca_dev
*dev
,
530 struct mthca_mailbox
*mailbox
;
532 mailbox
= kmalloc(sizeof *mailbox
, gfp_mask
);
534 return ERR_PTR(-ENOMEM
);
536 mailbox
->buf
= pci_pool_alloc(dev
->cmd
.pool
, gfp_mask
, &mailbox
->dma
);
539 return ERR_PTR(-ENOMEM
);
545 void mthca_free_mailbox(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
)
550 pci_pool_free(dev
->cmd
.pool
, mailbox
->buf
, mailbox
->dma
);
554 int mthca_SYS_EN(struct mthca_dev
*dev
, u8
*status
)
559 ret
= mthca_cmd_imm(dev
, 0, &out
, 0, 0, CMD_SYS_EN
, HZ
, status
);
561 if (*status
== MTHCA_CMD_STAT_DDR_MEM_ERR
)
562 mthca_warn(dev
, "SYS_EN DDR error: syn=%x, sock=%d, "
563 "sladdr=%d, SPD source=%s\n",
564 (int) (out
>> 6) & 0xf, (int) (out
>> 4) & 3,
565 (int) (out
>> 1) & 7, (int) out
& 1 ? "NVMEM" : "DIMM");
570 int mthca_SYS_DIS(struct mthca_dev
*dev
, u8
*status
)
572 return mthca_cmd(dev
, 0, 0, 0, CMD_SYS_DIS
, HZ
, status
);
575 static int mthca_map_cmd(struct mthca_dev
*dev
, u16 op
, struct mthca_icm
*icm
,
576 u64 virt
, u8
*status
)
578 struct mthca_mailbox
*mailbox
;
579 struct mthca_icm_iter iter
;
587 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
589 return PTR_ERR(mailbox
);
590 memset(mailbox
->buf
, 0, MTHCA_MAILBOX_SIZE
);
591 pages
= mailbox
->buf
;
593 for (mthca_icm_first(icm
, &iter
);
594 !mthca_icm_last(&iter
);
595 mthca_icm_next(&iter
)) {
597 * We have to pass pages that are aligned to their
598 * size, so find the least significant 1 in the
599 * address or size and use that as our log2 size.
601 lg
= ffs(mthca_icm_addr(&iter
) | mthca_icm_size(&iter
)) - 1;
603 mthca_warn(dev
, "Got FW area not aligned to 4K (%llx/%lx).\n",
604 (unsigned long long) mthca_icm_addr(&iter
),
605 mthca_icm_size(&iter
));
609 for (i
= 0; i
< mthca_icm_size(&iter
) / (1 << lg
); ++i
) {
611 pages
[nent
* 2] = cpu_to_be64(virt
);
615 pages
[nent
* 2 + 1] = cpu_to_be64((mthca_icm_addr(&iter
) +
616 (i
<< lg
)) | (lg
- 12));
617 ts
+= 1 << (lg
- 10);
620 if (++nent
== MTHCA_MAILBOX_SIZE
/ 16) {
621 err
= mthca_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
622 CMD_TIME_CLASS_B
, status
);
631 err
= mthca_cmd(dev
, mailbox
->dma
, nent
, 0, op
,
632 CMD_TIME_CLASS_B
, status
);
636 mthca_dbg(dev
, "Mapped %d chunks/%d KB for FW.\n", tc
, ts
);
638 case CMD_MAP_ICM_AUX
:
639 mthca_dbg(dev
, "Mapped %d chunks/%d KB for ICM aux.\n", tc
, ts
);
642 mthca_dbg(dev
, "Mapped %d chunks/%d KB at %llx for ICM.\n",
643 tc
, ts
, (unsigned long long) virt
- (ts
<< 10));
648 mthca_free_mailbox(dev
, mailbox
);
652 int mthca_MAP_FA(struct mthca_dev
*dev
, struct mthca_icm
*icm
, u8
*status
)
654 return mthca_map_cmd(dev
, CMD_MAP_FA
, icm
, -1, status
);
657 int mthca_UNMAP_FA(struct mthca_dev
*dev
, u8
*status
)
659 return mthca_cmd(dev
, 0, 0, 0, CMD_UNMAP_FA
, CMD_TIME_CLASS_B
, status
);
662 int mthca_RUN_FW(struct mthca_dev
*dev
, u8
*status
)
664 return mthca_cmd(dev
, 0, 0, 0, CMD_RUN_FW
, CMD_TIME_CLASS_A
, status
);
667 int mthca_QUERY_FW(struct mthca_dev
*dev
, u8
*status
)
669 struct mthca_mailbox
*mailbox
;
674 #define QUERY_FW_OUT_SIZE 0x100
675 #define QUERY_FW_VER_OFFSET 0x00
676 #define QUERY_FW_MAX_CMD_OFFSET 0x0f
677 #define QUERY_FW_ERR_START_OFFSET 0x30
678 #define QUERY_FW_ERR_SIZE_OFFSET 0x38
680 #define QUERY_FW_START_OFFSET 0x20
681 #define QUERY_FW_END_OFFSET 0x28
683 #define QUERY_FW_SIZE_OFFSET 0x00
684 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
685 #define QUERY_FW_EQ_ARM_BASE_OFFSET 0x40
686 #define QUERY_FW_EQ_SET_CI_BASE_OFFSET 0x48
688 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
690 return PTR_ERR(mailbox
);
691 outbox
= mailbox
->buf
;
693 err
= mthca_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, CMD_QUERY_FW
,
694 CMD_TIME_CLASS_A
, status
);
699 MTHCA_GET(dev
->fw_ver
, outbox
, QUERY_FW_VER_OFFSET
);
701 * FW subminor version is at more signifant bits than minor
702 * version, so swap here.
704 dev
->fw_ver
= (dev
->fw_ver
& 0xffff00000000ull
) |
705 ((dev
->fw_ver
& 0xffff0000ull
) >> 16) |
706 ((dev
->fw_ver
& 0x0000ffffull
) << 16);
708 MTHCA_GET(lg
, outbox
, QUERY_FW_MAX_CMD_OFFSET
);
709 dev
->cmd
.max_cmds
= 1 << lg
;
710 MTHCA_GET(dev
->catas_err
.addr
, outbox
, QUERY_FW_ERR_START_OFFSET
);
711 MTHCA_GET(dev
->catas_err
.size
, outbox
, QUERY_FW_ERR_SIZE_OFFSET
);
713 mthca_dbg(dev
, "FW version %012llx, max commands %d\n",
714 (unsigned long long) dev
->fw_ver
, dev
->cmd
.max_cmds
);
715 mthca_dbg(dev
, "Catastrophic error buffer at 0x%llx, size 0x%x\n",
716 (unsigned long long) dev
->catas_err
.addr
, dev
->catas_err
.size
);
718 if (mthca_is_memfree(dev
)) {
719 MTHCA_GET(dev
->fw
.arbel
.fw_pages
, outbox
, QUERY_FW_SIZE_OFFSET
);
720 MTHCA_GET(dev
->fw
.arbel
.clr_int_base
, outbox
, QUERY_FW_CLR_INT_BASE_OFFSET
);
721 MTHCA_GET(dev
->fw
.arbel
.eq_arm_base
, outbox
, QUERY_FW_EQ_ARM_BASE_OFFSET
);
722 MTHCA_GET(dev
->fw
.arbel
.eq_set_ci_base
, outbox
, QUERY_FW_EQ_SET_CI_BASE_OFFSET
);
723 mthca_dbg(dev
, "FW size %d KB\n", dev
->fw
.arbel
.fw_pages
<< 2);
726 * Arbel page size is always 4 KB; round up number of
727 * system pages needed.
729 dev
->fw
.arbel
.fw_pages
=
730 (dev
->fw
.arbel
.fw_pages
+ (1 << (PAGE_SHIFT
- 12)) - 1) >>
733 mthca_dbg(dev
, "Clear int @ %llx, EQ arm @ %llx, EQ set CI @ %llx\n",
734 (unsigned long long) dev
->fw
.arbel
.clr_int_base
,
735 (unsigned long long) dev
->fw
.arbel
.eq_arm_base
,
736 (unsigned long long) dev
->fw
.arbel
.eq_set_ci_base
);
738 MTHCA_GET(dev
->fw
.tavor
.fw_start
, outbox
, QUERY_FW_START_OFFSET
);
739 MTHCA_GET(dev
->fw
.tavor
.fw_end
, outbox
, QUERY_FW_END_OFFSET
);
741 mthca_dbg(dev
, "FW size %d KB (start %llx, end %llx)\n",
742 (int) ((dev
->fw
.tavor
.fw_end
- dev
->fw
.tavor
.fw_start
) >> 10),
743 (unsigned long long) dev
->fw
.tavor
.fw_start
,
744 (unsigned long long) dev
->fw
.tavor
.fw_end
);
748 mthca_free_mailbox(dev
, mailbox
);
752 int mthca_ENABLE_LAM(struct mthca_dev
*dev
, u8
*status
)
754 struct mthca_mailbox
*mailbox
;
759 #define ENABLE_LAM_OUT_SIZE 0x100
760 #define ENABLE_LAM_START_OFFSET 0x00
761 #define ENABLE_LAM_END_OFFSET 0x08
762 #define ENABLE_LAM_INFO_OFFSET 0x13
764 #define ENABLE_LAM_INFO_HIDDEN_FLAG (1 << 4)
765 #define ENABLE_LAM_INFO_ECC_MASK 0x3
767 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
769 return PTR_ERR(mailbox
);
770 outbox
= mailbox
->buf
;
772 err
= mthca_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, CMD_ENABLE_LAM
,
773 CMD_TIME_CLASS_C
, status
);
778 if (*status
== MTHCA_CMD_STAT_LAM_NOT_PRE
)
781 MTHCA_GET(dev
->ddr_start
, outbox
, ENABLE_LAM_START_OFFSET
);
782 MTHCA_GET(dev
->ddr_end
, outbox
, ENABLE_LAM_END_OFFSET
);
783 MTHCA_GET(info
, outbox
, ENABLE_LAM_INFO_OFFSET
);
785 if (!!(info
& ENABLE_LAM_INFO_HIDDEN_FLAG
) !=
786 !!(dev
->mthca_flags
& MTHCA_FLAG_DDR_HIDDEN
)) {
787 mthca_info(dev
, "FW reports that HCA-attached memory "
788 "is %s hidden; does not match PCI config\n",
789 (info
& ENABLE_LAM_INFO_HIDDEN_FLAG
) ?
792 if (info
& ENABLE_LAM_INFO_HIDDEN_FLAG
)
793 mthca_dbg(dev
, "HCA-attached memory is hidden.\n");
795 mthca_dbg(dev
, "HCA memory size %d KB (start %llx, end %llx)\n",
796 (int) ((dev
->ddr_end
- dev
->ddr_start
) >> 10),
797 (unsigned long long) dev
->ddr_start
,
798 (unsigned long long) dev
->ddr_end
);
801 mthca_free_mailbox(dev
, mailbox
);
805 int mthca_DISABLE_LAM(struct mthca_dev
*dev
, u8
*status
)
807 return mthca_cmd(dev
, 0, 0, 0, CMD_SYS_DIS
, CMD_TIME_CLASS_C
, status
);
810 int mthca_QUERY_DDR(struct mthca_dev
*dev
, u8
*status
)
812 struct mthca_mailbox
*mailbox
;
817 #define QUERY_DDR_OUT_SIZE 0x100
818 #define QUERY_DDR_START_OFFSET 0x00
819 #define QUERY_DDR_END_OFFSET 0x08
820 #define QUERY_DDR_INFO_OFFSET 0x13
822 #define QUERY_DDR_INFO_HIDDEN_FLAG (1 << 4)
823 #define QUERY_DDR_INFO_ECC_MASK 0x3
825 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
827 return PTR_ERR(mailbox
);
828 outbox
= mailbox
->buf
;
830 err
= mthca_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, CMD_QUERY_DDR
,
831 CMD_TIME_CLASS_A
, status
);
836 MTHCA_GET(dev
->ddr_start
, outbox
, QUERY_DDR_START_OFFSET
);
837 MTHCA_GET(dev
->ddr_end
, outbox
, QUERY_DDR_END_OFFSET
);
838 MTHCA_GET(info
, outbox
, QUERY_DDR_INFO_OFFSET
);
840 if (!!(info
& QUERY_DDR_INFO_HIDDEN_FLAG
) !=
841 !!(dev
->mthca_flags
& MTHCA_FLAG_DDR_HIDDEN
)) {
842 mthca_info(dev
, "FW reports that HCA-attached memory "
843 "is %s hidden; does not match PCI config\n",
844 (info
& QUERY_DDR_INFO_HIDDEN_FLAG
) ?
847 if (info
& QUERY_DDR_INFO_HIDDEN_FLAG
)
848 mthca_dbg(dev
, "HCA-attached memory is hidden.\n");
850 mthca_dbg(dev
, "HCA memory size %d KB (start %llx, end %llx)\n",
851 (int) ((dev
->ddr_end
- dev
->ddr_start
) >> 10),
852 (unsigned long long) dev
->ddr_start
,
853 (unsigned long long) dev
->ddr_end
);
856 mthca_free_mailbox(dev
, mailbox
);
860 int mthca_QUERY_DEV_LIM(struct mthca_dev
*dev
,
861 struct mthca_dev_lim
*dev_lim
, u8
*status
)
863 struct mthca_mailbox
*mailbox
;
869 #define QUERY_DEV_LIM_OUT_SIZE 0x100
870 #define QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET 0x10
871 #define QUERY_DEV_LIM_MAX_QP_SZ_OFFSET 0x11
872 #define QUERY_DEV_LIM_RSVD_QP_OFFSET 0x12
873 #define QUERY_DEV_LIM_MAX_QP_OFFSET 0x13
874 #define QUERY_DEV_LIM_RSVD_SRQ_OFFSET 0x14
875 #define QUERY_DEV_LIM_MAX_SRQ_OFFSET 0x15
876 #define QUERY_DEV_LIM_RSVD_EEC_OFFSET 0x16
877 #define QUERY_DEV_LIM_MAX_EEC_OFFSET 0x17
878 #define QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET 0x19
879 #define QUERY_DEV_LIM_RSVD_CQ_OFFSET 0x1a
880 #define QUERY_DEV_LIM_MAX_CQ_OFFSET 0x1b
881 #define QUERY_DEV_LIM_MAX_MPT_OFFSET 0x1d
882 #define QUERY_DEV_LIM_RSVD_EQ_OFFSET 0x1e
883 #define QUERY_DEV_LIM_MAX_EQ_OFFSET 0x1f
884 #define QUERY_DEV_LIM_RSVD_MTT_OFFSET 0x20
885 #define QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET 0x21
886 #define QUERY_DEV_LIM_RSVD_MRW_OFFSET 0x22
887 #define QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET 0x23
888 #define QUERY_DEV_LIM_MAX_AV_OFFSET 0x27
889 #define QUERY_DEV_LIM_MAX_REQ_QP_OFFSET 0x29
890 #define QUERY_DEV_LIM_MAX_RES_QP_OFFSET 0x2b
891 #define QUERY_DEV_LIM_MAX_RDMA_OFFSET 0x2f
892 #define QUERY_DEV_LIM_RSZ_SRQ_OFFSET 0x33
893 #define QUERY_DEV_LIM_ACK_DELAY_OFFSET 0x35
894 #define QUERY_DEV_LIM_MTU_WIDTH_OFFSET 0x36
895 #define QUERY_DEV_LIM_VL_PORT_OFFSET 0x37
896 #define QUERY_DEV_LIM_MAX_GID_OFFSET 0x3b
897 #define QUERY_DEV_LIM_MAX_PKEY_OFFSET 0x3f
898 #define QUERY_DEV_LIM_FLAGS_OFFSET 0x44
899 #define QUERY_DEV_LIM_RSVD_UAR_OFFSET 0x48
900 #define QUERY_DEV_LIM_UAR_SZ_OFFSET 0x49
901 #define QUERY_DEV_LIM_PAGE_SZ_OFFSET 0x4b
902 #define QUERY_DEV_LIM_MAX_SG_OFFSET 0x51
903 #define QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET 0x52
904 #define QUERY_DEV_LIM_MAX_SG_RQ_OFFSET 0x55
905 #define QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET 0x56
906 #define QUERY_DEV_LIM_MAX_QP_MCG_OFFSET 0x61
907 #define QUERY_DEV_LIM_RSVD_MCG_OFFSET 0x62
908 #define QUERY_DEV_LIM_MAX_MCG_OFFSET 0x63
909 #define QUERY_DEV_LIM_RSVD_PD_OFFSET 0x64
910 #define QUERY_DEV_LIM_MAX_PD_OFFSET 0x65
911 #define QUERY_DEV_LIM_RSVD_RDD_OFFSET 0x66
912 #define QUERY_DEV_LIM_MAX_RDD_OFFSET 0x67
913 #define QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET 0x80
914 #define QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET 0x82
915 #define QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET 0x84
916 #define QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET 0x86
917 #define QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET 0x88
918 #define QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET 0x8a
919 #define QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET 0x8c
920 #define QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET 0x8e
921 #define QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET 0x90
922 #define QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET 0x92
923 #define QUERY_DEV_LIM_PBL_SZ_OFFSET 0x96
924 #define QUERY_DEV_LIM_BMME_FLAGS_OFFSET 0x97
925 #define QUERY_DEV_LIM_RSVD_LKEY_OFFSET 0x98
926 #define QUERY_DEV_LIM_LAMR_OFFSET 0x9f
927 #define QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET 0xa0
929 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
931 return PTR_ERR(mailbox
);
932 outbox
= mailbox
->buf
;
934 err
= mthca_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, CMD_QUERY_DEV_LIM
,
935 CMD_TIME_CLASS_A
, status
);
940 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET
);
941 dev_lim
->max_srq_sz
= (1 << field
) - 1;
942 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET
);
943 dev_lim
->max_qp_sz
= (1 << field
) - 1;
944 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_QP_OFFSET
);
945 dev_lim
->reserved_qps
= 1 << (field
& 0xf);
946 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_QP_OFFSET
);
947 dev_lim
->max_qps
= 1 << (field
& 0x1f);
948 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_SRQ_OFFSET
);
949 dev_lim
->reserved_srqs
= 1 << (field
>> 4);
950 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_SRQ_OFFSET
);
951 dev_lim
->max_srqs
= 1 << (field
& 0x1f);
952 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_EEC_OFFSET
);
953 dev_lim
->reserved_eecs
= 1 << (field
& 0xf);
954 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_EEC_OFFSET
);
955 dev_lim
->max_eecs
= 1 << (field
& 0x1f);
956 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET
);
957 dev_lim
->max_cq_sz
= 1 << field
;
958 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_CQ_OFFSET
);
959 dev_lim
->reserved_cqs
= 1 << (field
& 0xf);
960 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_CQ_OFFSET
);
961 dev_lim
->max_cqs
= 1 << (field
& 0x1f);
962 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_MPT_OFFSET
);
963 dev_lim
->max_mpts
= 1 << (field
& 0x3f);
964 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_EQ_OFFSET
);
965 dev_lim
->reserved_eqs
= 1 << (field
& 0xf);
966 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_EQ_OFFSET
);
967 dev_lim
->max_eqs
= 1 << (field
& 0x7);
968 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_MTT_OFFSET
);
969 dev_lim
->reserved_mtts
= 1 << (field
>> 4);
970 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET
);
971 dev_lim
->max_mrw_sz
= 1 << field
;
972 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_MRW_OFFSET
);
973 dev_lim
->reserved_mrws
= 1 << (field
& 0xf);
974 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET
);
975 dev_lim
->max_mtt_seg
= 1 << (field
& 0x3f);
976 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_REQ_QP_OFFSET
);
977 dev_lim
->max_requester_per_qp
= 1 << (field
& 0x3f);
978 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_RES_QP_OFFSET
);
979 dev_lim
->max_responder_per_qp
= 1 << (field
& 0x3f);
980 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_RDMA_OFFSET
);
981 dev_lim
->max_rdma_global
= 1 << (field
& 0x3f);
982 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_ACK_DELAY_OFFSET
);
983 dev_lim
->local_ca_ack_delay
= field
& 0x1f;
984 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MTU_WIDTH_OFFSET
);
985 dev_lim
->max_mtu
= field
>> 4;
986 dev_lim
->max_port_width
= field
& 0xf;
987 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_VL_PORT_OFFSET
);
988 dev_lim
->max_vl
= field
>> 4;
989 dev_lim
->num_ports
= field
& 0xf;
990 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_GID_OFFSET
);
991 dev_lim
->max_gids
= 1 << (field
& 0xf);
992 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_PKEY_OFFSET
);
993 dev_lim
->max_pkeys
= 1 << (field
& 0xf);
994 MTHCA_GET(dev_lim
->flags
, outbox
, QUERY_DEV_LIM_FLAGS_OFFSET
);
995 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_UAR_OFFSET
);
996 dev_lim
->reserved_uars
= field
>> 4;
997 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_UAR_SZ_OFFSET
);
998 dev_lim
->uar_size
= 1 << ((field
& 0x3f) + 20);
999 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_PAGE_SZ_OFFSET
);
1000 dev_lim
->min_page_sz
= 1 << field
;
1001 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_SG_OFFSET
);
1002 dev_lim
->max_sg
= field
;
1004 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET
);
1005 dev_lim
->max_desc_sz
= size
;
1007 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_QP_MCG_OFFSET
);
1008 dev_lim
->max_qp_per_mcg
= 1 << field
;
1009 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_MCG_OFFSET
);
1010 dev_lim
->reserved_mgms
= field
& 0xf;
1011 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_MCG_OFFSET
);
1012 dev_lim
->max_mcgs
= 1 << field
;
1013 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_PD_OFFSET
);
1014 dev_lim
->reserved_pds
= field
>> 4;
1015 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_PD_OFFSET
);
1016 dev_lim
->max_pds
= 1 << (field
& 0x3f);
1017 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSVD_RDD_OFFSET
);
1018 dev_lim
->reserved_rdds
= field
>> 4;
1019 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_RDD_OFFSET
);
1020 dev_lim
->max_rdds
= 1 << (field
& 0x3f);
1022 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET
);
1023 dev_lim
->eec_entry_sz
= size
;
1024 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET
);
1025 dev_lim
->qpc_entry_sz
= size
;
1026 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET
);
1027 dev_lim
->eeec_entry_sz
= size
;
1028 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET
);
1029 dev_lim
->eqpc_entry_sz
= size
;
1030 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET
);
1031 dev_lim
->eqc_entry_sz
= size
;
1032 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET
);
1033 dev_lim
->cqc_entry_sz
= size
;
1034 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET
);
1035 dev_lim
->srq_entry_sz
= size
;
1036 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET
);
1037 dev_lim
->uar_scratch_entry_sz
= size
;
1039 mthca_dbg(dev
, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
1040 dev_lim
->max_qps
, dev_lim
->reserved_qps
, dev_lim
->qpc_entry_sz
);
1041 mthca_dbg(dev
, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
1042 dev_lim
->max_srqs
, dev_lim
->reserved_srqs
, dev_lim
->srq_entry_sz
);
1043 mthca_dbg(dev
, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
1044 dev_lim
->max_cqs
, dev_lim
->reserved_cqs
, dev_lim
->cqc_entry_sz
);
1045 mthca_dbg(dev
, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
1046 dev_lim
->max_eqs
, dev_lim
->reserved_eqs
, dev_lim
->eqc_entry_sz
);
1047 mthca_dbg(dev
, "reserved MPTs: %d, reserved MTTs: %d\n",
1048 dev_lim
->reserved_mrws
, dev_lim
->reserved_mtts
);
1049 mthca_dbg(dev
, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
1050 dev_lim
->max_pds
, dev_lim
->reserved_pds
, dev_lim
->reserved_uars
);
1051 mthca_dbg(dev
, "Max QP/MCG: %d, reserved MGMs: %d\n",
1052 dev_lim
->max_pds
, dev_lim
->reserved_mgms
);
1053 mthca_dbg(dev
, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
1054 dev_lim
->max_cq_sz
, dev_lim
->max_qp_sz
, dev_lim
->max_srq_sz
);
1056 mthca_dbg(dev
, "Flags: %08x\n", dev_lim
->flags
);
1058 if (mthca_is_memfree(dev
)) {
1059 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_RSZ_SRQ_OFFSET
);
1060 dev_lim
->hca
.arbel
.resize_srq
= field
& 1;
1061 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_SG_RQ_OFFSET
);
1062 dev_lim
->max_sg
= min_t(int, field
, dev_lim
->max_sg
);
1063 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET
);
1064 dev_lim
->max_desc_sz
= min_t(int, size
, dev_lim
->max_desc_sz
);
1065 MTHCA_GET(size
, outbox
, QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET
);
1066 dev_lim
->mpt_entry_sz
= size
;
1067 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_PBL_SZ_OFFSET
);
1068 dev_lim
->hca
.arbel
.max_pbl_sz
= 1 << (field
& 0x3f);
1069 MTHCA_GET(dev_lim
->hca
.arbel
.bmme_flags
, outbox
,
1070 QUERY_DEV_LIM_BMME_FLAGS_OFFSET
);
1071 MTHCA_GET(dev_lim
->hca
.arbel
.reserved_lkey
, outbox
,
1072 QUERY_DEV_LIM_RSVD_LKEY_OFFSET
);
1073 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_LAMR_OFFSET
);
1074 dev_lim
->hca
.arbel
.lam_required
= field
& 1;
1075 MTHCA_GET(dev_lim
->hca
.arbel
.max_icm_sz
, outbox
,
1076 QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET
);
1078 if (dev_lim
->hca
.arbel
.bmme_flags
& 1)
1079 mthca_dbg(dev
, "Base MM extensions: yes "
1080 "(flags %d, max PBL %d, rsvd L_Key %08x)\n",
1081 dev_lim
->hca
.arbel
.bmme_flags
,
1082 dev_lim
->hca
.arbel
.max_pbl_sz
,
1083 dev_lim
->hca
.arbel
.reserved_lkey
);
1085 mthca_dbg(dev
, "Base MM extensions: no\n");
1087 mthca_dbg(dev
, "Max ICM size %lld MB\n",
1088 (unsigned long long) dev_lim
->hca
.arbel
.max_icm_sz
>> 20);
1090 MTHCA_GET(field
, outbox
, QUERY_DEV_LIM_MAX_AV_OFFSET
);
1091 dev_lim
->hca
.tavor
.max_avs
= 1 << (field
& 0x3f);
1092 dev_lim
->mpt_entry_sz
= MTHCA_MPT_ENTRY_SIZE
;
1096 mthca_free_mailbox(dev
, mailbox
);
1100 static void get_board_id(void *vsd
, char *board_id
)
1104 #define VSD_OFFSET_SIG1 0x00
1105 #define VSD_OFFSET_SIG2 0xde
1106 #define VSD_OFFSET_MLX_BOARD_ID 0xd0
1107 #define VSD_OFFSET_TS_BOARD_ID 0x20
1109 #define VSD_SIGNATURE_TOPSPIN 0x5ad
1111 memset(board_id
, 0, MTHCA_BOARD_ID_LEN
);
1113 if (be16_to_cpup(vsd
+ VSD_OFFSET_SIG1
) == VSD_SIGNATURE_TOPSPIN
&&
1114 be16_to_cpup(vsd
+ VSD_OFFSET_SIG2
) == VSD_SIGNATURE_TOPSPIN
) {
1115 strlcpy(board_id
, vsd
+ VSD_OFFSET_TS_BOARD_ID
, MTHCA_BOARD_ID_LEN
);
1118 * The board ID is a string but the firmware byte
1119 * swaps each 4-byte word before passing it back to
1120 * us. Therefore we need to swab it before printing.
1122 for (i
= 0; i
< 4; ++i
)
1123 ((u32
*) board_id
)[i
] =
1124 swab32(*(u32
*) (vsd
+ VSD_OFFSET_MLX_BOARD_ID
+ i
* 4));
1128 int mthca_QUERY_ADAPTER(struct mthca_dev
*dev
,
1129 struct mthca_adapter
*adapter
, u8
*status
)
1131 struct mthca_mailbox
*mailbox
;
1135 #define QUERY_ADAPTER_OUT_SIZE 0x100
1136 #define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00
1137 #define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04
1138 #define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
1139 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
1140 #define QUERY_ADAPTER_VSD_OFFSET 0x20
1142 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1143 if (IS_ERR(mailbox
))
1144 return PTR_ERR(mailbox
);
1145 outbox
= mailbox
->buf
;
1147 err
= mthca_cmd_box(dev
, 0, mailbox
->dma
, 0, 0, CMD_QUERY_ADAPTER
,
1148 CMD_TIME_CLASS_A
, status
);
1153 MTHCA_GET(adapter
->vendor_id
, outbox
, QUERY_ADAPTER_VENDOR_ID_OFFSET
);
1154 MTHCA_GET(adapter
->device_id
, outbox
, QUERY_ADAPTER_DEVICE_ID_OFFSET
);
1155 MTHCA_GET(adapter
->revision_id
, outbox
, QUERY_ADAPTER_REVISION_ID_OFFSET
);
1156 MTHCA_GET(adapter
->inta_pin
, outbox
, QUERY_ADAPTER_INTA_PIN_OFFSET
);
1158 get_board_id(outbox
+ QUERY_ADAPTER_VSD_OFFSET
/ 4,
1162 mthca_free_mailbox(dev
, mailbox
);
1166 int mthca_INIT_HCA(struct mthca_dev
*dev
,
1167 struct mthca_init_hca_param
*param
,
1170 struct mthca_mailbox
*mailbox
;
1174 #define INIT_HCA_IN_SIZE 0x200
1175 #define INIT_HCA_FLAGS_OFFSET 0x014
1176 #define INIT_HCA_QPC_OFFSET 0x020
1177 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
1178 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
1179 #define INIT_HCA_EEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x20)
1180 #define INIT_HCA_LOG_EEC_OFFSET (INIT_HCA_QPC_OFFSET + 0x27)
1181 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
1182 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
1183 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
1184 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
1185 #define INIT_HCA_EQPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
1186 #define INIT_HCA_EEEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
1187 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
1188 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
1189 #define INIT_HCA_RDB_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
1190 #define INIT_HCA_UDAV_OFFSET 0x0b0
1191 #define INIT_HCA_UDAV_LKEY_OFFSET (INIT_HCA_UDAV_OFFSET + 0x0)
1192 #define INIT_HCA_UDAV_PD_OFFSET (INIT_HCA_UDAV_OFFSET + 0x4)
1193 #define INIT_HCA_MCAST_OFFSET 0x0c0
1194 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
1195 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
1196 #define INIT_HCA_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
1197 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
1198 #define INIT_HCA_TPT_OFFSET 0x0f0
1199 #define INIT_HCA_MPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
1200 #define INIT_HCA_MTT_SEG_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x09)
1201 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
1202 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
1203 #define INIT_HCA_UAR_OFFSET 0x120
1204 #define INIT_HCA_UAR_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x00)
1205 #define INIT_HCA_UARC_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x09)
1206 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
1207 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
1208 #define INIT_HCA_UAR_SCATCH_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x10)
1209 #define INIT_HCA_UAR_CTX_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x18)
1211 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1212 if (IS_ERR(mailbox
))
1213 return PTR_ERR(mailbox
);
1214 inbox
= mailbox
->buf
;
1216 memset(inbox
, 0, INIT_HCA_IN_SIZE
);
1218 #if defined(__LITTLE_ENDIAN)
1219 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) &= ~cpu_to_be32(1 << 1);
1220 #elif defined(__BIG_ENDIAN)
1221 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1 << 1);
1223 #error Host endianness not defined
1225 /* Check port for UD address vector: */
1226 *(inbox
+ INIT_HCA_FLAGS_OFFSET
/ 4) |= cpu_to_be32(1);
1228 /* We leave wqe_quota, responder_exu, etc as 0 (default) */
1230 /* QPC/EEC/CQC/EQC/RDB attributes */
1232 MTHCA_PUT(inbox
, param
->qpc_base
, INIT_HCA_QPC_BASE_OFFSET
);
1233 MTHCA_PUT(inbox
, param
->log_num_qps
, INIT_HCA_LOG_QP_OFFSET
);
1234 MTHCA_PUT(inbox
, param
->eec_base
, INIT_HCA_EEC_BASE_OFFSET
);
1235 MTHCA_PUT(inbox
, param
->log_num_eecs
, INIT_HCA_LOG_EEC_OFFSET
);
1236 MTHCA_PUT(inbox
, param
->srqc_base
, INIT_HCA_SRQC_BASE_OFFSET
);
1237 MTHCA_PUT(inbox
, param
->log_num_srqs
, INIT_HCA_LOG_SRQ_OFFSET
);
1238 MTHCA_PUT(inbox
, param
->cqc_base
, INIT_HCA_CQC_BASE_OFFSET
);
1239 MTHCA_PUT(inbox
, param
->log_num_cqs
, INIT_HCA_LOG_CQ_OFFSET
);
1240 MTHCA_PUT(inbox
, param
->eqpc_base
, INIT_HCA_EQPC_BASE_OFFSET
);
1241 MTHCA_PUT(inbox
, param
->eeec_base
, INIT_HCA_EEEC_BASE_OFFSET
);
1242 MTHCA_PUT(inbox
, param
->eqc_base
, INIT_HCA_EQC_BASE_OFFSET
);
1243 MTHCA_PUT(inbox
, param
->log_num_eqs
, INIT_HCA_LOG_EQ_OFFSET
);
1244 MTHCA_PUT(inbox
, param
->rdb_base
, INIT_HCA_RDB_BASE_OFFSET
);
1246 /* UD AV attributes */
1248 /* multicast attributes */
1250 MTHCA_PUT(inbox
, param
->mc_base
, INIT_HCA_MC_BASE_OFFSET
);
1251 MTHCA_PUT(inbox
, param
->log_mc_entry_sz
, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET
);
1252 MTHCA_PUT(inbox
, param
->mc_hash_sz
, INIT_HCA_MC_HASH_SZ_OFFSET
);
1253 MTHCA_PUT(inbox
, param
->log_mc_table_sz
, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET
);
1255 /* TPT attributes */
1257 MTHCA_PUT(inbox
, param
->mpt_base
, INIT_HCA_MPT_BASE_OFFSET
);
1258 if (!mthca_is_memfree(dev
))
1259 MTHCA_PUT(inbox
, param
->mtt_seg_sz
, INIT_HCA_MTT_SEG_SZ_OFFSET
);
1260 MTHCA_PUT(inbox
, param
->log_mpt_sz
, INIT_HCA_LOG_MPT_SZ_OFFSET
);
1261 MTHCA_PUT(inbox
, param
->mtt_base
, INIT_HCA_MTT_BASE_OFFSET
);
1263 /* UAR attributes */
1265 u8 uar_page_sz
= PAGE_SHIFT
- 12;
1266 MTHCA_PUT(inbox
, uar_page_sz
, INIT_HCA_UAR_PAGE_SZ_OFFSET
);
1269 MTHCA_PUT(inbox
, param
->uar_scratch_base
, INIT_HCA_UAR_SCATCH_BASE_OFFSET
);
1271 if (mthca_is_memfree(dev
)) {
1272 MTHCA_PUT(inbox
, param
->log_uarc_sz
, INIT_HCA_UARC_SZ_OFFSET
);
1273 MTHCA_PUT(inbox
, param
->log_uar_sz
, INIT_HCA_LOG_UAR_SZ_OFFSET
);
1274 MTHCA_PUT(inbox
, param
->uarc_base
, INIT_HCA_UAR_CTX_BASE_OFFSET
);
1277 err
= mthca_cmd(dev
, mailbox
->dma
, 0, 0, CMD_INIT_HCA
, HZ
, status
);
1279 mthca_free_mailbox(dev
, mailbox
);
1283 int mthca_INIT_IB(struct mthca_dev
*dev
,
1284 struct mthca_init_ib_param
*param
,
1285 int port
, u8
*status
)
1287 struct mthca_mailbox
*mailbox
;
1292 #define INIT_IB_IN_SIZE 56
1293 #define INIT_IB_FLAGS_OFFSET 0x00
1294 #define INIT_IB_FLAG_SIG (1 << 18)
1295 #define INIT_IB_FLAG_NG (1 << 17)
1296 #define INIT_IB_FLAG_G0 (1 << 16)
1297 #define INIT_IB_VL_SHIFT 4
1298 #define INIT_IB_PORT_WIDTH_SHIFT 8
1299 #define INIT_IB_MTU_SHIFT 12
1300 #define INIT_IB_MAX_GID_OFFSET 0x06
1301 #define INIT_IB_MAX_PKEY_OFFSET 0x0a
1302 #define INIT_IB_GUID0_OFFSET 0x10
1303 #define INIT_IB_NODE_GUID_OFFSET 0x18
1304 #define INIT_IB_SI_GUID_OFFSET 0x20
1306 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1307 if (IS_ERR(mailbox
))
1308 return PTR_ERR(mailbox
);
1309 inbox
= mailbox
->buf
;
1311 memset(inbox
, 0, INIT_IB_IN_SIZE
);
1314 flags
|= param
->set_guid0
? INIT_IB_FLAG_G0
: 0;
1315 flags
|= param
->set_node_guid
? INIT_IB_FLAG_NG
: 0;
1316 flags
|= param
->set_si_guid
? INIT_IB_FLAG_SIG
: 0;
1317 flags
|= param
->vl_cap
<< INIT_IB_VL_SHIFT
;
1318 flags
|= param
->port_width
<< INIT_IB_PORT_WIDTH_SHIFT
;
1319 flags
|= param
->mtu_cap
<< INIT_IB_MTU_SHIFT
;
1320 MTHCA_PUT(inbox
, flags
, INIT_IB_FLAGS_OFFSET
);
1322 MTHCA_PUT(inbox
, param
->gid_cap
, INIT_IB_MAX_GID_OFFSET
);
1323 MTHCA_PUT(inbox
, param
->pkey_cap
, INIT_IB_MAX_PKEY_OFFSET
);
1324 MTHCA_PUT(inbox
, param
->guid0
, INIT_IB_GUID0_OFFSET
);
1325 MTHCA_PUT(inbox
, param
->node_guid
, INIT_IB_NODE_GUID_OFFSET
);
1326 MTHCA_PUT(inbox
, param
->si_guid
, INIT_IB_SI_GUID_OFFSET
);
1328 err
= mthca_cmd(dev
, mailbox
->dma
, port
, 0, CMD_INIT_IB
,
1329 CMD_TIME_CLASS_A
, status
);
1331 mthca_free_mailbox(dev
, mailbox
);
1335 int mthca_CLOSE_IB(struct mthca_dev
*dev
, int port
, u8
*status
)
1337 return mthca_cmd(dev
, 0, port
, 0, CMD_CLOSE_IB
, HZ
, status
);
1340 int mthca_CLOSE_HCA(struct mthca_dev
*dev
, int panic
, u8
*status
)
1342 return mthca_cmd(dev
, 0, 0, panic
, CMD_CLOSE_HCA
, HZ
, status
);
1345 int mthca_SET_IB(struct mthca_dev
*dev
, struct mthca_set_ib_param
*param
,
1346 int port
, u8
*status
)
1348 struct mthca_mailbox
*mailbox
;
1353 #define SET_IB_IN_SIZE 0x40
1354 #define SET_IB_FLAGS_OFFSET 0x00
1355 #define SET_IB_FLAG_SIG (1 << 18)
1356 #define SET_IB_FLAG_RQK (1 << 0)
1357 #define SET_IB_CAP_MASK_OFFSET 0x04
1358 #define SET_IB_SI_GUID_OFFSET 0x08
1360 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1361 if (IS_ERR(mailbox
))
1362 return PTR_ERR(mailbox
);
1363 inbox
= mailbox
->buf
;
1365 memset(inbox
, 0, SET_IB_IN_SIZE
);
1367 flags
|= param
->set_si_guid
? SET_IB_FLAG_SIG
: 0;
1368 flags
|= param
->reset_qkey_viol
? SET_IB_FLAG_RQK
: 0;
1369 MTHCA_PUT(inbox
, flags
, SET_IB_FLAGS_OFFSET
);
1371 MTHCA_PUT(inbox
, param
->cap_mask
, SET_IB_CAP_MASK_OFFSET
);
1372 MTHCA_PUT(inbox
, param
->si_guid
, SET_IB_SI_GUID_OFFSET
);
1374 err
= mthca_cmd(dev
, mailbox
->dma
, port
, 0, CMD_SET_IB
,
1375 CMD_TIME_CLASS_B
, status
);
1377 mthca_free_mailbox(dev
, mailbox
);
1381 int mthca_MAP_ICM(struct mthca_dev
*dev
, struct mthca_icm
*icm
, u64 virt
, u8
*status
)
1383 return mthca_map_cmd(dev
, CMD_MAP_ICM
, icm
, virt
, status
);
1386 int mthca_MAP_ICM_page(struct mthca_dev
*dev
, u64 dma_addr
, u64 virt
, u8
*status
)
1388 struct mthca_mailbox
*mailbox
;
1392 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1393 if (IS_ERR(mailbox
))
1394 return PTR_ERR(mailbox
);
1395 inbox
= mailbox
->buf
;
1397 inbox
[0] = cpu_to_be64(virt
);
1398 inbox
[1] = cpu_to_be64(dma_addr
);
1400 err
= mthca_cmd(dev
, mailbox
->dma
, 1, 0, CMD_MAP_ICM
,
1401 CMD_TIME_CLASS_B
, status
);
1403 mthca_free_mailbox(dev
, mailbox
);
1406 mthca_dbg(dev
, "Mapped page at %llx to %llx for ICM.\n",
1407 (unsigned long long) dma_addr
, (unsigned long long) virt
);
1412 int mthca_UNMAP_ICM(struct mthca_dev
*dev
, u64 virt
, u32 page_count
, u8
*status
)
1414 mthca_dbg(dev
, "Unmapping %d pages at %llx from ICM.\n",
1415 page_count
, (unsigned long long) virt
);
1417 return mthca_cmd(dev
, virt
, page_count
, 0, CMD_UNMAP_ICM
, CMD_TIME_CLASS_B
, status
);
1420 int mthca_MAP_ICM_AUX(struct mthca_dev
*dev
, struct mthca_icm
*icm
, u8
*status
)
1422 return mthca_map_cmd(dev
, CMD_MAP_ICM_AUX
, icm
, -1, status
);
1425 int mthca_UNMAP_ICM_AUX(struct mthca_dev
*dev
, u8
*status
)
1427 return mthca_cmd(dev
, 0, 0, 0, CMD_UNMAP_ICM_AUX
, CMD_TIME_CLASS_B
, status
);
1430 int mthca_SET_ICM_SIZE(struct mthca_dev
*dev
, u64 icm_size
, u64
*aux_pages
,
1433 int ret
= mthca_cmd_imm(dev
, icm_size
, aux_pages
, 0, 0, CMD_SET_ICM_SIZE
,
1434 CMD_TIME_CLASS_A
, status
);
1440 * Arbel page size is always 4 KB; round up number of system
1443 *aux_pages
= (*aux_pages
+ (1 << (PAGE_SHIFT
- 12)) - 1) >> (PAGE_SHIFT
- 12);
1448 int mthca_SW2HW_MPT(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1449 int mpt_index
, u8
*status
)
1451 return mthca_cmd(dev
, mailbox
->dma
, mpt_index
, 0, CMD_SW2HW_MPT
,
1452 CMD_TIME_CLASS_B
, status
);
1455 int mthca_HW2SW_MPT(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1456 int mpt_index
, u8
*status
)
1458 return mthca_cmd_box(dev
, 0, mailbox
? mailbox
->dma
: 0, mpt_index
,
1459 !mailbox
, CMD_HW2SW_MPT
,
1460 CMD_TIME_CLASS_B
, status
);
1463 int mthca_WRITE_MTT(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1464 int num_mtt
, u8
*status
)
1466 return mthca_cmd(dev
, mailbox
->dma
, num_mtt
, 0, CMD_WRITE_MTT
,
1467 CMD_TIME_CLASS_B
, status
);
1470 int mthca_SYNC_TPT(struct mthca_dev
*dev
, u8
*status
)
1472 return mthca_cmd(dev
, 0, 0, 0, CMD_SYNC_TPT
, CMD_TIME_CLASS_B
, status
);
1475 int mthca_MAP_EQ(struct mthca_dev
*dev
, u64 event_mask
, int unmap
,
1476 int eq_num
, u8
*status
)
1478 mthca_dbg(dev
, "%s mask %016llx for eqn %d\n",
1479 unmap
? "Clearing" : "Setting",
1480 (unsigned long long) event_mask
, eq_num
);
1481 return mthca_cmd(dev
, event_mask
, (unmap
<< 31) | eq_num
,
1482 0, CMD_MAP_EQ
, CMD_TIME_CLASS_B
, status
);
1485 int mthca_SW2HW_EQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1486 int eq_num
, u8
*status
)
1488 return mthca_cmd(dev
, mailbox
->dma
, eq_num
, 0, CMD_SW2HW_EQ
,
1489 CMD_TIME_CLASS_A
, status
);
1492 int mthca_HW2SW_EQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1493 int eq_num
, u8
*status
)
1495 return mthca_cmd_box(dev
, 0, mailbox
->dma
, eq_num
, 0,
1497 CMD_TIME_CLASS_A
, status
);
1500 int mthca_SW2HW_CQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1501 int cq_num
, u8
*status
)
1503 return mthca_cmd(dev
, mailbox
->dma
, cq_num
, 0, CMD_SW2HW_CQ
,
1504 CMD_TIME_CLASS_A
, status
);
1507 int mthca_HW2SW_CQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1508 int cq_num
, u8
*status
)
1510 return mthca_cmd_box(dev
, 0, mailbox
->dma
, cq_num
, 0,
1512 CMD_TIME_CLASS_A
, status
);
1515 int mthca_SW2HW_SRQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1516 int srq_num
, u8
*status
)
1518 return mthca_cmd(dev
, mailbox
->dma
, srq_num
, 0, CMD_SW2HW_SRQ
,
1519 CMD_TIME_CLASS_A
, status
);
1522 int mthca_HW2SW_SRQ(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1523 int srq_num
, u8
*status
)
1525 return mthca_cmd_box(dev
, 0, mailbox
->dma
, srq_num
, 0,
1527 CMD_TIME_CLASS_A
, status
);
1530 int mthca_ARM_SRQ(struct mthca_dev
*dev
, int srq_num
, int limit
, u8
*status
)
1532 return mthca_cmd(dev
, limit
, srq_num
, 0, CMD_ARM_SRQ
,
1533 CMD_TIME_CLASS_B
, status
);
1536 int mthca_MODIFY_QP(struct mthca_dev
*dev
, int trans
, u32 num
,
1537 int is_ee
, struct mthca_mailbox
*mailbox
, u32 optmask
,
1540 static const u16 op
[] = {
1541 [MTHCA_TRANS_RST2INIT
] = CMD_RST2INIT_QPEE
,
1542 [MTHCA_TRANS_INIT2INIT
] = CMD_INIT2INIT_QPEE
,
1543 [MTHCA_TRANS_INIT2RTR
] = CMD_INIT2RTR_QPEE
,
1544 [MTHCA_TRANS_RTR2RTS
] = CMD_RTR2RTS_QPEE
,
1545 [MTHCA_TRANS_RTS2RTS
] = CMD_RTS2RTS_QPEE
,
1546 [MTHCA_TRANS_SQERR2RTS
] = CMD_SQERR2RTS_QPEE
,
1547 [MTHCA_TRANS_ANY2ERR
] = CMD_2ERR_QPEE
,
1548 [MTHCA_TRANS_RTS2SQD
] = CMD_RTS2SQD_QPEE
,
1549 [MTHCA_TRANS_SQD2SQD
] = CMD_SQD2SQD_QPEE
,
1550 [MTHCA_TRANS_SQD2RTS
] = CMD_SQD2RTS_QPEE
,
1551 [MTHCA_TRANS_ANY2RST
] = CMD_ERR2RST_QPEE
1557 if (trans
< 0 || trans
>= ARRAY_SIZE(op
))
1560 if (trans
== MTHCA_TRANS_ANY2RST
) {
1561 op_mod
= 3; /* don't write outbox, any->reset */
1565 mailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1566 if (!IS_ERR(mailbox
)) {
1568 op_mod
= 2; /* write outbox, any->reset */
1575 mthca_dbg(dev
, "Dumping QP context:\n");
1576 printk(" opt param mask: %08x\n", be32_to_cpup(mailbox
->buf
));
1577 for (i
= 0; i
< 0x100 / 4; ++i
) {
1579 printk(" [%02x] ", i
* 4);
1581 be32_to_cpu(((__be32
*) mailbox
->buf
)[i
+ 2]));
1582 if ((i
+ 1) % 8 == 0)
1588 if (trans
== MTHCA_TRANS_ANY2RST
) {
1589 err
= mthca_cmd_box(dev
, 0, mailbox
? mailbox
->dma
: 0,
1590 (!!is_ee
<< 24) | num
, op_mod
,
1591 op
[trans
], CMD_TIME_CLASS_C
, status
);
1595 mthca_dbg(dev
, "Dumping QP context:\n");
1596 printk(" %08x\n", be32_to_cpup(mailbox
->buf
));
1597 for (i
= 0; i
< 0x100 / 4; ++i
) {
1599 printk("[%02x] ", i
* 4);
1601 be32_to_cpu(((__be32
*) mailbox
->buf
)[i
+ 2]));
1602 if ((i
+ 1) % 8 == 0)
1608 err
= mthca_cmd(dev
, mailbox
->dma
, (!!is_ee
<< 24) | num
,
1609 op_mod
, op
[trans
], CMD_TIME_CLASS_C
, status
);
1612 mthca_free_mailbox(dev
, mailbox
);
1617 int mthca_QUERY_QP(struct mthca_dev
*dev
, u32 num
, int is_ee
,
1618 struct mthca_mailbox
*mailbox
, u8
*status
)
1620 return mthca_cmd_box(dev
, 0, mailbox
->dma
, (!!is_ee
<< 24) | num
, 0,
1621 CMD_QUERY_QPEE
, CMD_TIME_CLASS_A
, status
);
1624 int mthca_CONF_SPECIAL_QP(struct mthca_dev
*dev
, int type
, u32 qpn
,
1636 case IB_QPT_RAW_IPV6
:
1639 case IB_QPT_RAW_ETY
:
1646 return mthca_cmd(dev
, 0, qpn
, op_mod
, CMD_CONF_SPECIAL_QP
,
1647 CMD_TIME_CLASS_B
, status
);
1650 int mthca_MAD_IFC(struct mthca_dev
*dev
, int ignore_mkey
, int ignore_bkey
,
1651 int port
, struct ib_wc
*in_wc
, struct ib_grh
*in_grh
,
1652 void *in_mad
, void *response_mad
, u8
*status
)
1654 struct mthca_mailbox
*inmailbox
, *outmailbox
;
1657 u32 in_modifier
= port
;
1660 #define MAD_IFC_BOX_SIZE 0x400
1661 #define MAD_IFC_MY_QPN_OFFSET 0x100
1662 #define MAD_IFC_RQPN_OFFSET 0x104
1663 #define MAD_IFC_SL_OFFSET 0x108
1664 #define MAD_IFC_G_PATH_OFFSET 0x109
1665 #define MAD_IFC_RLID_OFFSET 0x10a
1666 #define MAD_IFC_PKEY_OFFSET 0x10e
1667 #define MAD_IFC_GRH_OFFSET 0x140
1669 inmailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1670 if (IS_ERR(inmailbox
))
1671 return PTR_ERR(inmailbox
);
1672 inbox
= inmailbox
->buf
;
1674 outmailbox
= mthca_alloc_mailbox(dev
, GFP_KERNEL
);
1675 if (IS_ERR(outmailbox
)) {
1676 mthca_free_mailbox(dev
, inmailbox
);
1677 return PTR_ERR(outmailbox
);
1680 memcpy(inbox
, in_mad
, 256);
1683 * Key check traps can't be generated unless we have in_wc to
1684 * tell us where to send the trap.
1686 if (ignore_mkey
|| !in_wc
)
1688 if (ignore_bkey
|| !in_wc
)
1694 memset(inbox
+ 256, 0, 256);
1696 MTHCA_PUT(inbox
, in_wc
->qp_num
, MAD_IFC_MY_QPN_OFFSET
);
1697 MTHCA_PUT(inbox
, in_wc
->src_qp
, MAD_IFC_RQPN_OFFSET
);
1699 val
= in_wc
->sl
<< 4;
1700 MTHCA_PUT(inbox
, val
, MAD_IFC_SL_OFFSET
);
1702 val
= in_wc
->dlid_path_bits
|
1703 (in_wc
->wc_flags
& IB_WC_GRH
? 0x80 : 0);
1704 MTHCA_PUT(inbox
, val
, MAD_IFC_GRH_OFFSET
);
1706 MTHCA_PUT(inbox
, in_wc
->slid
, MAD_IFC_RLID_OFFSET
);
1707 MTHCA_PUT(inbox
, in_wc
->pkey_index
, MAD_IFC_PKEY_OFFSET
);
1710 memcpy(inbox
+ MAD_IFC_GRH_OFFSET
, in_grh
, 40);
1712 op_modifier
|= 0x10;
1714 in_modifier
|= in_wc
->slid
<< 16;
1717 err
= mthca_cmd_box(dev
, inmailbox
->dma
, outmailbox
->dma
,
1718 in_modifier
, op_modifier
,
1719 CMD_MAD_IFC
, CMD_TIME_CLASS_C
, status
);
1721 if (!err
&& !*status
)
1722 memcpy(response_mad
, outmailbox
->buf
, 256);
1724 mthca_free_mailbox(dev
, inmailbox
);
1725 mthca_free_mailbox(dev
, outmailbox
);
1729 int mthca_READ_MGM(struct mthca_dev
*dev
, int index
,
1730 struct mthca_mailbox
*mailbox
, u8
*status
)
1732 return mthca_cmd_box(dev
, 0, mailbox
->dma
, index
, 0,
1733 CMD_READ_MGM
, CMD_TIME_CLASS_A
, status
);
1736 int mthca_WRITE_MGM(struct mthca_dev
*dev
, int index
,
1737 struct mthca_mailbox
*mailbox
, u8
*status
)
1739 return mthca_cmd(dev
, mailbox
->dma
, index
, 0, CMD_WRITE_MGM
,
1740 CMD_TIME_CLASS_A
, status
);
1743 int mthca_MGID_HASH(struct mthca_dev
*dev
, struct mthca_mailbox
*mailbox
,
1744 u16
*hash
, u8
*status
)
1749 err
= mthca_cmd_imm(dev
, mailbox
->dma
, &imm
, 0, 0, CMD_MGID_HASH
,
1750 CMD_TIME_CLASS_A
, status
);
1756 int mthca_NOP(struct mthca_dev
*dev
, u8
*status
)
1758 return mthca_cmd(dev
, 0, 0x1f, 0, CMD_NOP
, msecs_to_jiffies(100), status
);