2 * QEMU MegaRAID SAS 8708EM2 Host Bus Adapter emulation
3 * Based on the linux driver code at drivers/scsi/megaraid
5 * Copyright (c) 2009-2012 Hannes Reinecke, SUSE Labs
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
22 #include "hw/pci/pci.h"
23 #include "sysemu/dma.h"
24 #include "hw/pci/msi.h"
25 #include "hw/pci/msix.h"
27 #include "hw/scsi/scsi.h"
28 #include "block/scsi.h"
33 #define MEGASAS_VERSION "1.70"
34 #define MEGASAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */
35 #define MEGASAS_DEFAULT_FRAMES 1000 /* Windows requires this */
36 #define MEGASAS_MAX_SGE 128 /* Firmware limit */
37 #define MEGASAS_DEFAULT_SGE 80
38 #define MEGASAS_MAX_SECTORS 0xFFFF /* No real limit */
39 #define MEGASAS_MAX_ARRAYS 128
41 #define MEGASAS_HBA_SERIAL "QEMU123456"
42 #define NAA_LOCALLY_ASSIGNED_ID 0x3ULL
43 #define IEEE_COMPANY_LOCALLY_ASSIGNED 0x525400
45 #define MEGASAS_FLAG_USE_JBOD 0
46 #define MEGASAS_MASK_USE_JBOD (1 << MEGASAS_FLAG_USE_JBOD)
47 #define MEGASAS_FLAG_USE_MSI 1
48 #define MEGASAS_MASK_USE_MSI (1 << MEGASAS_FLAG_USE_MSI)
49 #define MEGASAS_FLAG_USE_MSIX 2
50 #define MEGASAS_MASK_USE_MSIX (1 << MEGASAS_FLAG_USE_MSIX)
51 #define MEGASAS_FLAG_USE_QUEUE64 3
52 #define MEGASAS_MASK_USE_QUEUE64 (1 << MEGASAS_FLAG_USE_QUEUE64)
54 static const char *mfi_frame_desc
[] = {
55 "MFI init", "LD Read", "LD Write", "LD SCSI", "PD SCSI",
56 "MFI Doorbell", "MFI Abort", "MFI SMP", "MFI Stop"};
58 typedef struct MegasasCmd
{
66 union mfi_frame
*frame
;
72 struct MegasasState
*state
;
75 typedef struct MegasasState
{
82 MemoryRegion queue_io
;
94 MegasasCmd
*event_cmd
;
104 uint64_t reply_queue_pa
;
107 int reply_queue_head
;
108 int reply_queue_tail
;
109 uint64_t consumer_pa
;
110 uint64_t producer_pa
;
112 MegasasCmd frames
[MEGASAS_MAX_FRAMES
];
117 #define TYPE_MEGASAS "megasas"
119 #define MEGASAS(obj) \
120 OBJECT_CHECK(MegasasState, (obj), TYPE_MEGASAS)
122 #define MEGASAS_INTR_DISABLED_MASK 0xFFFFFFFF
124 static bool megasas_intr_enabled(MegasasState
*s
)
126 if ((s
->intr_mask
& MEGASAS_INTR_DISABLED_MASK
) !=
127 MEGASAS_INTR_DISABLED_MASK
) {
133 static bool megasas_use_queue64(MegasasState
*s
)
135 return s
->flags
& MEGASAS_MASK_USE_QUEUE64
;
138 static bool megasas_use_msi(MegasasState
*s
)
140 return s
->flags
& MEGASAS_MASK_USE_MSI
;
143 static bool megasas_use_msix(MegasasState
*s
)
145 return s
->flags
& MEGASAS_MASK_USE_MSIX
;
148 static bool megasas_is_jbod(MegasasState
*s
)
150 return s
->flags
& MEGASAS_MASK_USE_JBOD
;
153 static void megasas_frame_set_cmd_status(unsigned long frame
, uint8_t v
)
155 stb_phys(&address_space_memory
,
156 frame
+ offsetof(struct mfi_frame_header
, cmd_status
), v
);
159 static void megasas_frame_set_scsi_status(unsigned long frame
, uint8_t v
)
161 stb_phys(&address_space_memory
,
162 frame
+ offsetof(struct mfi_frame_header
, scsi_status
), v
);
166 * Context is considered opaque, but the HBA firmware is running
167 * in little endian mode. So convert it to little endian, too.
169 static uint64_t megasas_frame_get_context(unsigned long frame
)
171 return ldq_le_phys(&address_space_memory
,
172 frame
+ offsetof(struct mfi_frame_header
, context
));
175 static bool megasas_frame_is_ieee_sgl(MegasasCmd
*cmd
)
177 return cmd
->flags
& MFI_FRAME_IEEE_SGL
;
180 static bool megasas_frame_is_sgl64(MegasasCmd
*cmd
)
182 return cmd
->flags
& MFI_FRAME_SGL64
;
185 static bool megasas_frame_is_sense64(MegasasCmd
*cmd
)
187 return cmd
->flags
& MFI_FRAME_SENSE64
;
190 static uint64_t megasas_sgl_get_addr(MegasasCmd
*cmd
,
195 if (megasas_frame_is_ieee_sgl(cmd
)) {
196 addr
= le64_to_cpu(sgl
->sg_skinny
->addr
);
197 } else if (megasas_frame_is_sgl64(cmd
)) {
198 addr
= le64_to_cpu(sgl
->sg64
->addr
);
200 addr
= le32_to_cpu(sgl
->sg32
->addr
);
205 static uint32_t megasas_sgl_get_len(MegasasCmd
*cmd
,
210 if (megasas_frame_is_ieee_sgl(cmd
)) {
211 len
= le32_to_cpu(sgl
->sg_skinny
->len
);
212 } else if (megasas_frame_is_sgl64(cmd
)) {
213 len
= le32_to_cpu(sgl
->sg64
->len
);
215 len
= le32_to_cpu(sgl
->sg32
->len
);
220 static union mfi_sgl
*megasas_sgl_next(MegasasCmd
*cmd
,
223 uint8_t *next
= (uint8_t *)sgl
;
225 if (megasas_frame_is_ieee_sgl(cmd
)) {
226 next
+= sizeof(struct mfi_sg_skinny
);
227 } else if (megasas_frame_is_sgl64(cmd
)) {
228 next
+= sizeof(struct mfi_sg64
);
230 next
+= sizeof(struct mfi_sg32
);
233 if (next
>= (uint8_t *)cmd
->frame
+ cmd
->pa_size
) {
236 return (union mfi_sgl
*)next
;
239 static void megasas_soft_reset(MegasasState
*s
);
241 static int megasas_map_sgl(MegasasState
*s
, MegasasCmd
*cmd
, union mfi_sgl
*sgl
)
247 cmd
->flags
= le16_to_cpu(cmd
->frame
->header
.flags
);
248 iov_count
= cmd
->frame
->header
.sge_count
;
249 if (iov_count
> MEGASAS_MAX_SGE
) {
250 trace_megasas_iovec_sgl_overflow(cmd
->index
, iov_count
,
254 pci_dma_sglist_init(&cmd
->qsg
, PCI_DEVICE(s
), iov_count
);
255 for (i
= 0; i
< iov_count
; i
++) {
256 dma_addr_t iov_pa
, iov_size_p
;
259 trace_megasas_iovec_sgl_underflow(cmd
->index
, i
);
262 iov_pa
= megasas_sgl_get_addr(cmd
, sgl
);
263 iov_size_p
= megasas_sgl_get_len(cmd
, sgl
);
264 if (!iov_pa
|| !iov_size_p
) {
265 trace_megasas_iovec_sgl_invalid(cmd
->index
, i
,
269 qemu_sglist_add(&cmd
->qsg
, iov_pa
, iov_size_p
);
270 sgl
= megasas_sgl_next(cmd
, sgl
);
271 iov_size
+= (size_t)iov_size_p
;
273 if (cmd
->iov_size
> iov_size
) {
274 trace_megasas_iovec_overflow(cmd
->index
, iov_size
, cmd
->iov_size
);
275 } else if (cmd
->iov_size
< iov_size
) {
276 trace_megasas_iovec_underflow(cmd
->iov_size
, iov_size
, cmd
->iov_size
);
281 qemu_sglist_destroy(&cmd
->qsg
);
282 return iov_count
- i
;
285 static void megasas_unmap_sgl(MegasasCmd
*cmd
)
287 qemu_sglist_destroy(&cmd
->qsg
);
292 * passthrough sense and io sense are at the same offset
294 static int megasas_build_sense(MegasasCmd
*cmd
, uint8_t *sense_ptr
,
297 uint32_t pa_hi
= 0, pa_lo
;
300 if (sense_len
> cmd
->frame
->header
.sense_len
) {
301 sense_len
= cmd
->frame
->header
.sense_len
;
304 pa_lo
= le32_to_cpu(cmd
->frame
->pass
.sense_addr_lo
);
305 if (megasas_frame_is_sense64(cmd
)) {
306 pa_hi
= le32_to_cpu(cmd
->frame
->pass
.sense_addr_hi
);
308 pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
309 cpu_physical_memory_write(pa
, sense_ptr
, sense_len
);
310 cmd
->frame
->header
.sense_len
= sense_len
;
315 static void megasas_write_sense(MegasasCmd
*cmd
, SCSISense sense
)
317 uint8_t sense_buf
[SCSI_SENSE_BUF_SIZE
];
318 uint8_t sense_len
= 18;
320 memset(sense_buf
, 0, sense_len
);
322 sense_buf
[2] = sense
.key
;
324 sense_buf
[12] = sense
.asc
;
325 sense_buf
[13] = sense
.ascq
;
326 megasas_build_sense(cmd
, sense_buf
, sense_len
);
329 static void megasas_copy_sense(MegasasCmd
*cmd
)
331 uint8_t sense_buf
[SCSI_SENSE_BUF_SIZE
];
334 sense_len
= scsi_req_get_sense(cmd
->req
, sense_buf
,
335 SCSI_SENSE_BUF_SIZE
);
336 megasas_build_sense(cmd
, sense_buf
, sense_len
);
340 * Format an INQUIRY CDB
342 static int megasas_setup_inquiry(uint8_t *cdb
, int pg
, int len
)
350 cdb
[3] = (len
>> 8) & 0xff;
351 cdb
[4] = (len
& 0xff);
356 * Encode lba and len into a READ_16/WRITE_16 CDB
358 static void megasas_encode_lba(uint8_t *cdb
, uint64_t lba
,
359 uint32_t len
, bool is_write
)
361 memset(cdb
, 0x0, 16);
367 cdb
[2] = (lba
>> 56) & 0xff;
368 cdb
[3] = (lba
>> 48) & 0xff;
369 cdb
[4] = (lba
>> 40) & 0xff;
370 cdb
[5] = (lba
>> 32) & 0xff;
371 cdb
[6] = (lba
>> 24) & 0xff;
372 cdb
[7] = (lba
>> 16) & 0xff;
373 cdb
[8] = (lba
>> 8) & 0xff;
374 cdb
[9] = (lba
) & 0xff;
375 cdb
[10] = (len
>> 24) & 0xff;
376 cdb
[11] = (len
>> 16) & 0xff;
377 cdb
[12] = (len
>> 8) & 0xff;
378 cdb
[13] = (len
) & 0xff;
384 static uint64_t megasas_fw_time(void)
389 qemu_get_timedate(&curtime
, 0);
390 bcd_time
= ((uint64_t)curtime
.tm_sec
& 0xff) << 48 |
391 ((uint64_t)curtime
.tm_min
& 0xff) << 40 |
392 ((uint64_t)curtime
.tm_hour
& 0xff) << 32 |
393 ((uint64_t)curtime
.tm_mday
& 0xff) << 24 |
394 ((uint64_t)curtime
.tm_mon
& 0xff) << 16 |
395 ((uint64_t)(curtime
.tm_year
+ 1900) & 0xffff);
401 * Default disk sata address
402 * 0x1221 is the magic number as
403 * present in real hardware,
404 * so use it here, too.
406 static uint64_t megasas_get_sata_addr(uint16_t id
)
408 uint64_t addr
= (0x1221ULL
<< 48);
409 return addr
& (id
<< 24);
415 static int megasas_next_index(MegasasState
*s
, int index
, int limit
)
418 if (index
== limit
) {
424 static MegasasCmd
*megasas_lookup_frame(MegasasState
*s
,
427 MegasasCmd
*cmd
= NULL
;
430 index
= s
->reply_queue_head
;
432 while (num
< s
->fw_cmds
) {
433 if (s
->frames
[index
].pa
&& s
->frames
[index
].pa
== frame
) {
434 cmd
= &s
->frames
[index
];
437 index
= megasas_next_index(s
, index
, s
->fw_cmds
);
444 static MegasasCmd
*megasas_next_frame(MegasasState
*s
,
447 MegasasCmd
*cmd
= NULL
;
450 cmd
= megasas_lookup_frame(s
, frame
);
452 trace_megasas_qf_found(cmd
->index
, cmd
->pa
);
455 index
= s
->reply_queue_head
;
457 while (num
< s
->fw_cmds
) {
458 if (!s
->frames
[index
].pa
) {
459 cmd
= &s
->frames
[index
];
462 index
= megasas_next_index(s
, index
, s
->fw_cmds
);
466 trace_megasas_qf_failed(frame
);
468 trace_megasas_qf_new(index
, cmd
);
472 static MegasasCmd
*megasas_enqueue_frame(MegasasState
*s
,
473 hwaddr frame
, uint64_t context
, int count
)
475 MegasasCmd
*cmd
= NULL
;
476 int frame_size
= MFI_FRAME_SIZE
* 16;
477 hwaddr frame_size_p
= frame_size
;
479 cmd
= megasas_next_frame(s
, frame
);
480 /* All frames busy */
486 /* Map all possible frames */
487 cmd
->frame
= cpu_physical_memory_map(frame
, &frame_size_p
, 0);
488 if (frame_size_p
!= frame_size
) {
489 trace_megasas_qf_map_failed(cmd
->index
, (unsigned long)frame
);
491 cpu_physical_memory_unmap(cmd
->frame
, frame_size_p
, 0, 0);
498 cmd
->pa_size
= frame_size_p
;
499 cmd
->context
= context
;
500 if (!megasas_use_queue64(s
)) {
501 cmd
->context
&= (uint64_t)0xFFFFFFFF;
507 trace_megasas_qf_enqueue(cmd
->index
, cmd
->count
, cmd
->context
,
508 s
->reply_queue_head
, s
->busy
);
513 static void megasas_complete_frame(MegasasState
*s
, uint64_t context
)
515 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
516 int tail
, queue_offset
;
518 /* Decrement busy count */
521 if (s
->reply_queue_pa
) {
523 * Put command on the reply queue.
524 * Context is opaque, but emulation is running in
525 * little endian. So convert it.
527 tail
= s
->reply_queue_head
;
528 if (megasas_use_queue64(s
)) {
529 queue_offset
= tail
* sizeof(uint64_t);
530 stq_le_phys(&address_space_memory
,
531 s
->reply_queue_pa
+ queue_offset
, context
);
533 queue_offset
= tail
* sizeof(uint32_t);
534 stl_le_phys(&address_space_memory
,
535 s
->reply_queue_pa
+ queue_offset
, context
);
537 s
->reply_queue_head
= megasas_next_index(s
, tail
, s
->fw_cmds
);
538 trace_megasas_qf_complete(context
, tail
, queue_offset
,
539 s
->busy
, s
->doorbell
);
542 if (megasas_intr_enabled(s
)) {
545 if (s
->doorbell
== 1) {
546 if (msix_enabled(pci_dev
)) {
547 trace_megasas_msix_raise(0);
548 msix_notify(pci_dev
, 0);
549 } else if (msi_enabled(pci_dev
)) {
550 trace_megasas_msi_raise(0);
551 msi_notify(pci_dev
, 0);
553 trace_megasas_irq_raise();
554 pci_irq_assert(pci_dev
);
558 trace_megasas_qf_complete_noirq(context
);
562 static void megasas_reset_frames(MegasasState
*s
)
567 for (i
= 0; i
< s
->fw_cmds
; i
++) {
570 cpu_physical_memory_unmap(cmd
->frame
, cmd
->pa_size
, 0, 0);
577 static void megasas_abort_command(MegasasCmd
*cmd
)
580 scsi_req_cancel(cmd
->req
);
585 static int megasas_init_firmware(MegasasState
*s
, MegasasCmd
*cmd
)
587 uint32_t pa_hi
, pa_lo
;
588 hwaddr iq_pa
, initq_size
;
589 struct mfi_init_qinfo
*initq
;
591 int ret
= MFI_STAT_OK
;
593 pa_lo
= le32_to_cpu(cmd
->frame
->init
.qinfo_new_addr_lo
);
594 pa_hi
= le32_to_cpu(cmd
->frame
->init
.qinfo_new_addr_hi
);
595 iq_pa
= (((uint64_t) pa_hi
<< 32) | pa_lo
);
596 trace_megasas_init_firmware((uint64_t)iq_pa
);
597 initq_size
= sizeof(*initq
);
598 initq
= cpu_physical_memory_map(iq_pa
, &initq_size
, 0);
599 if (!initq
|| initq_size
!= sizeof(*initq
)) {
600 trace_megasas_initq_map_failed(cmd
->index
);
602 ret
= MFI_STAT_MEMORY_NOT_AVAILABLE
;
605 s
->reply_queue_len
= le32_to_cpu(initq
->rq_entries
) & 0xFFFF;
606 if (s
->reply_queue_len
> s
->fw_cmds
) {
607 trace_megasas_initq_mismatch(s
->reply_queue_len
, s
->fw_cmds
);
609 ret
= MFI_STAT_INVALID_PARAMETER
;
612 pa_lo
= le32_to_cpu(initq
->rq_addr_lo
);
613 pa_hi
= le32_to_cpu(initq
->rq_addr_hi
);
614 s
->reply_queue_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
615 pa_lo
= le32_to_cpu(initq
->ci_addr_lo
);
616 pa_hi
= le32_to_cpu(initq
->ci_addr_hi
);
617 s
->consumer_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
618 pa_lo
= le32_to_cpu(initq
->pi_addr_lo
);
619 pa_hi
= le32_to_cpu(initq
->pi_addr_hi
);
620 s
->producer_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
621 s
->reply_queue_head
= ldl_le_phys(&address_space_memory
, s
->producer_pa
);
622 s
->reply_queue_tail
= ldl_le_phys(&address_space_memory
, s
->consumer_pa
);
623 flags
= le32_to_cpu(initq
->flags
);
624 if (flags
& MFI_QUEUE_FLAG_CONTEXT64
) {
625 s
->flags
|= MEGASAS_MASK_USE_QUEUE64
;
627 trace_megasas_init_queue((unsigned long)s
->reply_queue_pa
,
628 s
->reply_queue_len
, s
->reply_queue_head
,
629 s
->reply_queue_tail
, flags
);
630 megasas_reset_frames(s
);
631 s
->fw_state
= MFI_FWSTATE_OPERATIONAL
;
634 cpu_physical_memory_unmap(initq
, initq_size
, 0, 0);
639 static int megasas_map_dcmd(MegasasState
*s
, MegasasCmd
*cmd
)
641 dma_addr_t iov_pa
, iov_size
;
643 cmd
->flags
= le16_to_cpu(cmd
->frame
->header
.flags
);
644 if (!cmd
->frame
->header
.sge_count
) {
645 trace_megasas_dcmd_zero_sge(cmd
->index
);
648 } else if (cmd
->frame
->header
.sge_count
> 1) {
649 trace_megasas_dcmd_invalid_sge(cmd
->index
,
650 cmd
->frame
->header
.sge_count
);
654 iov_pa
= megasas_sgl_get_addr(cmd
, &cmd
->frame
->dcmd
.sgl
);
655 iov_size
= megasas_sgl_get_len(cmd
, &cmd
->frame
->dcmd
.sgl
);
656 pci_dma_sglist_init(&cmd
->qsg
, PCI_DEVICE(s
), 1);
657 qemu_sglist_add(&cmd
->qsg
, iov_pa
, iov_size
);
658 cmd
->iov_size
= iov_size
;
659 return cmd
->iov_size
;
662 static void megasas_finish_dcmd(MegasasCmd
*cmd
, uint32_t iov_size
)
664 trace_megasas_finish_dcmd(cmd
->index
, iov_size
);
666 if (cmd
->frame
->header
.sge_count
) {
667 qemu_sglist_destroy(&cmd
->qsg
);
669 if (iov_size
> cmd
->iov_size
) {
670 if (megasas_frame_is_ieee_sgl(cmd
)) {
671 cmd
->frame
->dcmd
.sgl
.sg_skinny
->len
= cpu_to_le32(iov_size
);
672 } else if (megasas_frame_is_sgl64(cmd
)) {
673 cmd
->frame
->dcmd
.sgl
.sg64
->len
= cpu_to_le32(iov_size
);
675 cmd
->frame
->dcmd
.sgl
.sg32
->len
= cpu_to_le32(iov_size
);
681 static int megasas_ctrl_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
683 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
684 struct mfi_ctrl_info info
;
685 size_t dcmd_size
= sizeof(info
);
687 int num_ld_disks
= 0;
690 memset(&info
, 0x0, cmd
->iov_size
);
691 if (cmd
->iov_size
< dcmd_size
) {
692 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
694 return MFI_STAT_INVALID_PARAMETER
;
697 info
.pci
.vendor
= cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC
);
698 info
.pci
.device
= cpu_to_le16(PCI_DEVICE_ID_LSI_SAS1078
);
699 info
.pci
.subvendor
= cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC
);
700 info
.pci
.subdevice
= cpu_to_le16(0x1013);
703 * For some reason the firmware supports
704 * only up to 8 device ports.
705 * Despite supporting a far larger number
706 * of devices for the physical devices.
707 * So just display the first 8 devices
708 * in the device port list, independent
709 * of how many logical devices are actually
712 info
.host
.type
= MFI_INFO_HOST_PCIE
;
713 info
.device
.type
= MFI_INFO_DEV_SAS3G
;
714 info
.device
.port_count
= 8;
715 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
716 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
718 if (num_ld_disks
< 8) {
719 sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
720 info
.device
.port_addr
[num_ld_disks
] =
721 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
726 memcpy(info
.product_name
, "MegaRAID SAS 8708EM2", 20);
727 snprintf(info
.serial_number
, 32, "%s", s
->hba_serial
);
728 snprintf(info
.package_version
, 0x60, "%s-QEMU", QEMU_VERSION
);
729 memcpy(info
.image_component
[0].name
, "APP", 3);
730 memcpy(info
.image_component
[0].version
, MEGASAS_VERSION
"-QEMU", 9);
731 memcpy(info
.image_component
[0].build_date
, __DATE__
, 11);
732 memcpy(info
.image_component
[0].build_time
, __TIME__
, 8);
733 info
.image_component_count
= 1;
734 if (pci_dev
->has_rom
) {
738 ptr
= memory_region_get_ram_ptr(&pci_dev
->rom
);
739 memcpy(biosver
, ptr
+ 0x41, 31);
740 memcpy(info
.image_component
[1].name
, "BIOS", 4);
741 memcpy(info
.image_component
[1].version
, biosver
,
742 strlen((const char *)biosver
));
743 info
.image_component_count
++;
745 info
.current_fw_time
= cpu_to_le32(megasas_fw_time());
748 info
.max_arrays
= MEGASAS_MAX_ARRAYS
;
749 info
.max_lds
= s
->fw_luns
;
750 info
.max_cmds
= cpu_to_le16(s
->fw_cmds
);
751 info
.max_sg_elements
= cpu_to_le16(s
->fw_sge
);
752 info
.max_request_size
= cpu_to_le32(MEGASAS_MAX_SECTORS
);
753 info
.lds_present
= cpu_to_le16(num_ld_disks
);
754 info
.pd_present
= cpu_to_le16(num_ld_disks
);
755 info
.pd_disks_present
= cpu_to_le16(num_ld_disks
);
756 info
.hw_present
= cpu_to_le32(MFI_INFO_HW_NVRAM
|
759 info
.memory_size
= cpu_to_le16(512);
760 info
.nvram_size
= cpu_to_le16(32);
761 info
.flash_size
= cpu_to_le16(16);
762 info
.raid_levels
= cpu_to_le32(MFI_INFO_RAID_0
);
763 info
.adapter_ops
= cpu_to_le32(MFI_INFO_AOPS_RBLD_RATE
|
764 MFI_INFO_AOPS_SELF_DIAGNOSTIC
|
765 MFI_INFO_AOPS_MIXED_ARRAY
);
766 info
.ld_ops
= cpu_to_le32(MFI_INFO_LDOPS_DISK_CACHE_POLICY
|
767 MFI_INFO_LDOPS_ACCESS_POLICY
|
768 MFI_INFO_LDOPS_IO_POLICY
|
769 MFI_INFO_LDOPS_WRITE_POLICY
|
770 MFI_INFO_LDOPS_READ_POLICY
);
771 info
.max_strips_per_io
= cpu_to_le16(s
->fw_sge
);
772 info
.stripe_sz_ops
.min
= 3;
773 info
.stripe_sz_ops
.max
= ffs(MEGASAS_MAX_SECTORS
+ 1) - 1;
774 info
.properties
.pred_fail_poll_interval
= cpu_to_le16(300);
775 info
.properties
.intr_throttle_cnt
= cpu_to_le16(16);
776 info
.properties
.intr_throttle_timeout
= cpu_to_le16(50);
777 info
.properties
.rebuild_rate
= 30;
778 info
.properties
.patrol_read_rate
= 30;
779 info
.properties
.bgi_rate
= 30;
780 info
.properties
.cc_rate
= 30;
781 info
.properties
.recon_rate
= 30;
782 info
.properties
.cache_flush_interval
= 4;
783 info
.properties
.spinup_drv_cnt
= 2;
784 info
.properties
.spinup_delay
= 6;
785 info
.properties
.ecc_bucket_size
= 15;
786 info
.properties
.ecc_bucket_leak_rate
= cpu_to_le16(1440);
787 info
.properties
.expose_encl_devices
= 1;
788 info
.properties
.OnOffProperties
= cpu_to_le32(MFI_CTRL_PROP_EnableJBOD
);
789 info
.pd_ops
= cpu_to_le32(MFI_INFO_PDOPS_FORCE_ONLINE
|
790 MFI_INFO_PDOPS_FORCE_OFFLINE
);
791 info
.pd_mix_support
= cpu_to_le32(MFI_INFO_PDMIX_SAS
|
792 MFI_INFO_PDMIX_SATA
|
795 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
799 static int megasas_mfc_get_defaults(MegasasState
*s
, MegasasCmd
*cmd
)
801 struct mfi_defaults info
;
802 size_t dcmd_size
= sizeof(struct mfi_defaults
);
804 memset(&info
, 0x0, dcmd_size
);
805 if (cmd
->iov_size
< dcmd_size
) {
806 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
808 return MFI_STAT_INVALID_PARAMETER
;
811 info
.sas_addr
= cpu_to_le64(s
->sas_addr
);
812 info
.stripe_size
= 3;
814 info
.background_rate
= 30;
815 info
.allow_mix_in_enclosure
= 1;
816 info
.allow_mix_in_ld
= 1;
817 info
.direct_pd_mapping
= 1;
818 /* Enable for BIOS support */
819 info
.bios_enumerate_lds
= 1;
820 info
.disable_ctrl_r
= 1;
821 info
.expose_enclosure_devices
= 1;
822 info
.disable_preboot_cli
= 1;
823 info
.cluster_disable
= 1;
825 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
829 static int megasas_dcmd_get_bios_info(MegasasState
*s
, MegasasCmd
*cmd
)
831 struct mfi_bios_data info
;
832 size_t dcmd_size
= sizeof(info
);
834 memset(&info
, 0x0, dcmd_size
);
835 if (cmd
->iov_size
< dcmd_size
) {
836 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
838 return MFI_STAT_INVALID_PARAMETER
;
840 info
.continue_on_error
= 1;
842 if (megasas_is_jbod(s
)) {
843 info
.expose_all_drives
= 1;
846 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
850 static int megasas_dcmd_get_fw_time(MegasasState
*s
, MegasasCmd
*cmd
)
853 size_t dcmd_size
= sizeof(fw_time
);
855 fw_time
= cpu_to_le64(megasas_fw_time());
857 cmd
->iov_size
-= dma_buf_read((uint8_t *)&fw_time
, dcmd_size
, &cmd
->qsg
);
861 static int megasas_dcmd_set_fw_time(MegasasState
*s
, MegasasCmd
*cmd
)
865 /* This is a dummy; setting of firmware time is not allowed */
866 memcpy(&fw_time
, cmd
->frame
->dcmd
.mbox
, sizeof(fw_time
));
868 trace_megasas_dcmd_set_fw_time(cmd
->index
, fw_time
);
869 fw_time
= cpu_to_le64(megasas_fw_time());
873 static int megasas_event_info(MegasasState
*s
, MegasasCmd
*cmd
)
875 struct mfi_evt_log_state info
;
876 size_t dcmd_size
= sizeof(info
);
878 memset(&info
, 0, dcmd_size
);
880 info
.newest_seq_num
= cpu_to_le32(s
->event_count
);
881 info
.shutdown_seq_num
= cpu_to_le32(s
->shutdown_event
);
882 info
.boot_seq_num
= cpu_to_le32(s
->boot_event
);
884 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
888 static int megasas_event_wait(MegasasState
*s
, MegasasCmd
*cmd
)
892 if (cmd
->iov_size
< sizeof(struct mfi_evt_detail
)) {
893 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
894 sizeof(struct mfi_evt_detail
));
895 return MFI_STAT_INVALID_PARAMETER
;
897 s
->event_count
= cpu_to_le32(cmd
->frame
->dcmd
.mbox
[0]);
898 event
.word
= cpu_to_le32(cmd
->frame
->dcmd
.mbox
[4]);
899 s
->event_locale
= event
.members
.locale
;
900 s
->event_class
= event
.members
.class;
902 /* Decrease busy count; event frame doesn't count here */
904 cmd
->iov_size
= sizeof(struct mfi_evt_detail
);
905 return MFI_STAT_INVALID_STATUS
;
908 static int megasas_dcmd_pd_get_list(MegasasState
*s
, MegasasCmd
*cmd
)
910 struct mfi_pd_list info
;
911 size_t dcmd_size
= sizeof(info
);
913 uint32_t offset
, dcmd_limit
, num_pd_disks
= 0, max_pd_disks
;
916 memset(&info
, 0, dcmd_size
);
918 dcmd_limit
= offset
+ sizeof(struct mfi_pd_address
);
919 if (cmd
->iov_size
< dcmd_limit
) {
920 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
922 return MFI_STAT_INVALID_PARAMETER
;
925 max_pd_disks
= (cmd
->iov_size
- offset
) / sizeof(struct mfi_pd_address
);
926 if (max_pd_disks
> s
->fw_luns
) {
927 max_pd_disks
= s
->fw_luns
;
930 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
931 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
933 sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
934 info
.addr
[num_pd_disks
].device_id
= cpu_to_le16(sdev_id
);
935 info
.addr
[num_pd_disks
].encl_device_id
= 0xFFFF;
936 info
.addr
[num_pd_disks
].encl_index
= 0;
937 info
.addr
[num_pd_disks
].slot_number
= (sdev
->id
& 0xFF);
938 info
.addr
[num_pd_disks
].scsi_dev_type
= sdev
->type
;
939 info
.addr
[num_pd_disks
].connect_port_bitmap
= 0x1;
940 info
.addr
[num_pd_disks
].sas_addr
[0] =
941 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
943 offset
+= sizeof(struct mfi_pd_address
);
945 trace_megasas_dcmd_pd_get_list(cmd
->index
, num_pd_disks
,
946 max_pd_disks
, offset
);
948 info
.size
= cpu_to_le32(offset
);
949 info
.count
= cpu_to_le32(num_pd_disks
);
951 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, offset
, &cmd
->qsg
);
955 static int megasas_dcmd_pd_list_query(MegasasState
*s
, MegasasCmd
*cmd
)
959 /* mbox0 contains flags */
960 flags
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
961 trace_megasas_dcmd_pd_list_query(cmd
->index
, flags
);
962 if (flags
== MR_PD_QUERY_TYPE_ALL
||
963 megasas_is_jbod(s
)) {
964 return megasas_dcmd_pd_get_list(s
, cmd
);
970 static int megasas_pd_get_info_submit(SCSIDevice
*sdev
, int lun
,
973 struct mfi_pd_info
*info
= cmd
->iov_buf
;
974 size_t dcmd_size
= sizeof(struct mfi_pd_info
);
975 BlockConf
*conf
= &sdev
->conf
;
977 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (lun
& 0xFF);
983 cmd
->iov_buf
= g_malloc(dcmd_size
);
984 memset(cmd
->iov_buf
, 0, dcmd_size
);
986 info
->inquiry_data
[0] = 0x7f; /* Force PQual 0x3, PType 0x1f */
987 info
->vpd_page83
[0] = 0x7f;
988 megasas_setup_inquiry(cmdbuf
, 0, sizeof(info
->inquiry_data
));
989 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cmdbuf
, cmd
);
991 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
992 "PD get info std inquiry");
993 g_free(cmd
->iov_buf
);
995 return MFI_STAT_FLASH_ALLOC_FAIL
;
997 trace_megasas_dcmd_internal_submit(cmd
->index
,
998 "PD get info std inquiry", lun
);
999 len
= scsi_req_enqueue(req
);
1001 cmd
->iov_size
= len
;
1002 scsi_req_continue(req
);
1004 return MFI_STAT_INVALID_STATUS
;
1005 } else if (info
->inquiry_data
[0] != 0x7f && info
->vpd_page83
[0] == 0x7f) {
1006 megasas_setup_inquiry(cmdbuf
, 0x83, sizeof(info
->vpd_page83
));
1007 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cmdbuf
, cmd
);
1009 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
1010 "PD get info vpd inquiry");
1011 return MFI_STAT_FLASH_ALLOC_FAIL
;
1013 trace_megasas_dcmd_internal_submit(cmd
->index
,
1014 "PD get info vpd inquiry", lun
);
1015 len
= scsi_req_enqueue(req
);
1017 cmd
->iov_size
= len
;
1018 scsi_req_continue(req
);
1020 return MFI_STAT_INVALID_STATUS
;
1022 /* Finished, set FW state */
1023 if ((info
->inquiry_data
[0] >> 5) == 0) {
1024 if (megasas_is_jbod(cmd
->state
)) {
1025 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_SYSTEM
);
1027 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_ONLINE
);
1030 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_OFFLINE
);
1033 info
->ref
.v
.device_id
= cpu_to_le16(sdev_id
);
1034 info
->state
.ddf
.pd_type
= cpu_to_le16(MFI_PD_DDF_TYPE_IN_VD
|
1035 MFI_PD_DDF_TYPE_INTF_SAS
);
1036 bdrv_get_geometry(conf
->bs
, &pd_size
);
1037 info
->raw_size
= cpu_to_le64(pd_size
);
1038 info
->non_coerced_size
= cpu_to_le64(pd_size
);
1039 info
->coerced_size
= cpu_to_le64(pd_size
);
1040 info
->encl_device_id
= 0xFFFF;
1041 info
->slot_number
= (sdev
->id
& 0xFF);
1042 info
->path_info
.count
= 1;
1043 info
->path_info
.sas_addr
[0] =
1044 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
1045 info
->connected_port_bitmap
= 0x1;
1046 info
->device_speed
= 1;
1047 info
->link_speed
= 1;
1048 resid
= dma_buf_read(cmd
->iov_buf
, dcmd_size
, &cmd
->qsg
);
1049 g_free(cmd
->iov_buf
);
1050 cmd
->iov_size
= dcmd_size
- resid
;
1051 cmd
->iov_buf
= NULL
;
1055 static int megasas_dcmd_pd_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
1057 size_t dcmd_size
= sizeof(struct mfi_pd_info
);
1059 SCSIDevice
*sdev
= NULL
;
1060 int retval
= MFI_STAT_DEVICE_NOT_FOUND
;
1062 if (cmd
->iov_size
< dcmd_size
) {
1063 return MFI_STAT_INVALID_PARAMETER
;
1066 /* mbox0 has the ID */
1067 pd_id
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
1068 sdev
= scsi_device_find(&s
->bus
, 0, pd_id
, 0);
1069 trace_megasas_dcmd_pd_get_info(cmd
->index
, pd_id
);
1072 /* Submit inquiry */
1073 retval
= megasas_pd_get_info_submit(sdev
, pd_id
, cmd
);
1079 static int megasas_dcmd_ld_get_list(MegasasState
*s
, MegasasCmd
*cmd
)
1081 struct mfi_ld_list info
;
1082 size_t dcmd_size
= sizeof(info
), resid
;
1083 uint32_t num_ld_disks
= 0, max_ld_disks
= s
->fw_luns
;
1087 memset(&info
, 0, dcmd_size
);
1088 if (cmd
->iov_size
< dcmd_size
) {
1089 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1091 return MFI_STAT_INVALID_PARAMETER
;
1094 if (megasas_is_jbod(s
)) {
1097 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1098 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
1099 BlockConf
*conf
= &sdev
->conf
;
1101 if (num_ld_disks
>= max_ld_disks
) {
1104 /* Logical device size is in blocks */
1105 bdrv_get_geometry(conf
->bs
, &ld_size
);
1106 info
.ld_list
[num_ld_disks
].ld
.v
.target_id
= sdev
->id
;
1107 info
.ld_list
[num_ld_disks
].ld
.v
.lun_id
= sdev
->lun
;
1108 info
.ld_list
[num_ld_disks
].state
= MFI_LD_STATE_OPTIMAL
;
1109 info
.ld_list
[num_ld_disks
].size
= cpu_to_le64(ld_size
);
1112 info
.ld_count
= cpu_to_le32(num_ld_disks
);
1113 trace_megasas_dcmd_ld_get_list(cmd
->index
, num_ld_disks
, max_ld_disks
);
1115 resid
= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
1116 cmd
->iov_size
= dcmd_size
- resid
;
1120 static int megasas_dcmd_ld_list_query(MegasasState
*s
, MegasasCmd
*cmd
)
1124 /* mbox0 contains flags */
1125 flags
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
1126 trace_megasas_dcmd_ld_list_query(cmd
->index
, flags
);
1127 if (flags
== MR_LD_QUERY_TYPE_ALL
||
1128 flags
== MR_LD_QUERY_TYPE_EXPOSED_TO_HOST
) {
1129 return megasas_dcmd_ld_get_list(s
, cmd
);
1135 static int megasas_ld_get_info_submit(SCSIDevice
*sdev
, int lun
,
1138 struct mfi_ld_info
*info
= cmd
->iov_buf
;
1139 size_t dcmd_size
= sizeof(struct mfi_ld_info
);
1143 BlockConf
*conf
= &sdev
->conf
;
1144 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (lun
& 0xFF);
1147 if (!cmd
->iov_buf
) {
1148 cmd
->iov_buf
= g_malloc(dcmd_size
);
1149 memset(cmd
->iov_buf
, 0x0, dcmd_size
);
1150 info
= cmd
->iov_buf
;
1151 megasas_setup_inquiry(cdb
, 0x83, sizeof(info
->vpd_page83
));
1152 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cdb
, cmd
);
1154 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
1155 "LD get info vpd inquiry");
1156 g_free(cmd
->iov_buf
);
1157 cmd
->iov_buf
= NULL
;
1158 return MFI_STAT_FLASH_ALLOC_FAIL
;
1160 trace_megasas_dcmd_internal_submit(cmd
->index
,
1161 "LD get info vpd inquiry", lun
);
1162 len
= scsi_req_enqueue(req
);
1164 cmd
->iov_size
= len
;
1165 scsi_req_continue(req
);
1167 return MFI_STAT_INVALID_STATUS
;
1170 info
->ld_config
.params
.state
= MFI_LD_STATE_OPTIMAL
;
1171 info
->ld_config
.properties
.ld
.v
.target_id
= lun
;
1172 info
->ld_config
.params
.stripe_size
= 3;
1173 info
->ld_config
.params
.num_drives
= 1;
1174 info
->ld_config
.params
.is_consistent
= 1;
1175 /* Logical device size is in blocks */
1176 bdrv_get_geometry(conf
->bs
, &ld_size
);
1177 info
->size
= cpu_to_le64(ld_size
);
1178 memset(info
->ld_config
.span
, 0, sizeof(info
->ld_config
.span
));
1179 info
->ld_config
.span
[0].start_block
= 0;
1180 info
->ld_config
.span
[0].num_blocks
= info
->size
;
1181 info
->ld_config
.span
[0].array_ref
= cpu_to_le16(sdev_id
);
1183 resid
= dma_buf_read(cmd
->iov_buf
, dcmd_size
, &cmd
->qsg
);
1184 g_free(cmd
->iov_buf
);
1185 cmd
->iov_size
= dcmd_size
- resid
;
1186 cmd
->iov_buf
= NULL
;
1190 static int megasas_dcmd_ld_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
1192 struct mfi_ld_info info
;
1193 size_t dcmd_size
= sizeof(info
);
1195 uint32_t max_ld_disks
= s
->fw_luns
;
1196 SCSIDevice
*sdev
= NULL
;
1197 int retval
= MFI_STAT_DEVICE_NOT_FOUND
;
1199 if (cmd
->iov_size
< dcmd_size
) {
1200 return MFI_STAT_INVALID_PARAMETER
;
1203 /* mbox0 has the ID */
1204 ld_id
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
1205 trace_megasas_dcmd_ld_get_info(cmd
->index
, ld_id
);
1207 if (megasas_is_jbod(s
)) {
1208 return MFI_STAT_DEVICE_NOT_FOUND
;
1211 if (ld_id
< max_ld_disks
) {
1212 sdev
= scsi_device_find(&s
->bus
, 0, ld_id
, 0);
1216 retval
= megasas_ld_get_info_submit(sdev
, ld_id
, cmd
);
1222 static int megasas_dcmd_cfg_read(MegasasState
*s
, MegasasCmd
*cmd
)
1225 struct mfi_config_data
*info
;
1226 int num_pd_disks
= 0, array_offset
, ld_offset
;
1229 if (cmd
->iov_size
> 4096) {
1230 return MFI_STAT_INVALID_PARAMETER
;
1233 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1236 info
= (struct mfi_config_data
*)&data
;
1239 * - One array per SCSI device
1240 * - One logical drive per SCSI device
1241 * spanning the entire device
1243 info
->array_count
= num_pd_disks
;
1244 info
->array_size
= sizeof(struct mfi_array
) * num_pd_disks
;
1245 info
->log_drv_count
= num_pd_disks
;
1246 info
->log_drv_size
= sizeof(struct mfi_ld_config
) * num_pd_disks
;
1247 info
->spares_count
= 0;
1248 info
->spares_size
= sizeof(struct mfi_spare
);
1249 info
->size
= sizeof(struct mfi_config_data
) + info
->array_size
+
1251 if (info
->size
> 4096) {
1252 return MFI_STAT_INVALID_PARAMETER
;
1255 array_offset
= sizeof(struct mfi_config_data
);
1256 ld_offset
= array_offset
+ sizeof(struct mfi_array
) * num_pd_disks
;
1258 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1259 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
1260 BlockConf
*conf
= &sdev
->conf
;
1261 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
1262 struct mfi_array
*array
;
1263 struct mfi_ld_config
*ld
;
1267 array
= (struct mfi_array
*)(data
+ array_offset
);
1268 bdrv_get_geometry(conf
->bs
, &pd_size
);
1269 array
->size
= cpu_to_le64(pd_size
);
1270 array
->num_drives
= 1;
1271 array
->array_ref
= cpu_to_le16(sdev_id
);
1272 array
->pd
[0].ref
.v
.device_id
= cpu_to_le16(sdev_id
);
1273 array
->pd
[0].ref
.v
.seq_num
= 0;
1274 array
->pd
[0].fw_state
= MFI_PD_STATE_ONLINE
;
1275 array
->pd
[0].encl
.pd
= 0xFF;
1276 array
->pd
[0].encl
.slot
= (sdev
->id
& 0xFF);
1277 for (i
= 1; i
< MFI_MAX_ROW_SIZE
; i
++) {
1278 array
->pd
[i
].ref
.v
.device_id
= 0xFFFF;
1279 array
->pd
[i
].ref
.v
.seq_num
= 0;
1280 array
->pd
[i
].fw_state
= MFI_PD_STATE_UNCONFIGURED_GOOD
;
1281 array
->pd
[i
].encl
.pd
= 0xFF;
1282 array
->pd
[i
].encl
.slot
= 0xFF;
1284 array_offset
+= sizeof(struct mfi_array
);
1285 ld
= (struct mfi_ld_config
*)(data
+ ld_offset
);
1286 memset(ld
, 0, sizeof(struct mfi_ld_config
));
1287 ld
->properties
.ld
.v
.target_id
= (sdev
->id
& 0xFF);
1288 ld
->properties
.default_cache_policy
= MR_LD_CACHE_READ_AHEAD
|
1289 MR_LD_CACHE_READ_ADAPTIVE
;
1290 ld
->properties
.current_cache_policy
= MR_LD_CACHE_READ_AHEAD
|
1291 MR_LD_CACHE_READ_ADAPTIVE
;
1292 ld
->params
.state
= MFI_LD_STATE_OPTIMAL
;
1293 ld
->params
.stripe_size
= 3;
1294 ld
->params
.num_drives
= 1;
1295 ld
->params
.span_depth
= 1;
1296 ld
->params
.is_consistent
= 1;
1297 ld
->span
[0].start_block
= 0;
1298 ld
->span
[0].num_blocks
= cpu_to_le64(pd_size
);
1299 ld
->span
[0].array_ref
= cpu_to_le16(sdev_id
);
1300 ld_offset
+= sizeof(struct mfi_ld_config
);
1303 cmd
->iov_size
-= dma_buf_read((uint8_t *)data
, info
->size
, &cmd
->qsg
);
1307 static int megasas_dcmd_get_properties(MegasasState
*s
, MegasasCmd
*cmd
)
1309 struct mfi_ctrl_props info
;
1310 size_t dcmd_size
= sizeof(info
);
1312 memset(&info
, 0x0, dcmd_size
);
1313 if (cmd
->iov_size
< dcmd_size
) {
1314 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1316 return MFI_STAT_INVALID_PARAMETER
;
1318 info
.pred_fail_poll_interval
= cpu_to_le16(300);
1319 info
.intr_throttle_cnt
= cpu_to_le16(16);
1320 info
.intr_throttle_timeout
= cpu_to_le16(50);
1321 info
.rebuild_rate
= 30;
1322 info
.patrol_read_rate
= 30;
1325 info
.recon_rate
= 30;
1326 info
.cache_flush_interval
= 4;
1327 info
.spinup_drv_cnt
= 2;
1328 info
.spinup_delay
= 6;
1329 info
.ecc_bucket_size
= 15;
1330 info
.ecc_bucket_leak_rate
= cpu_to_le16(1440);
1331 info
.expose_encl_devices
= 1;
1333 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
1337 static int megasas_cache_flush(MegasasState
*s
, MegasasCmd
*cmd
)
1343 static int megasas_ctrl_shutdown(MegasasState
*s
, MegasasCmd
*cmd
)
1345 s
->fw_state
= MFI_FWSTATE_READY
;
1349 static int megasas_cluster_reset_ld(MegasasState
*s
, MegasasCmd
*cmd
)
1351 return MFI_STAT_INVALID_DCMD
;
1354 static int megasas_dcmd_set_properties(MegasasState
*s
, MegasasCmd
*cmd
)
1356 struct mfi_ctrl_props info
;
1357 size_t dcmd_size
= sizeof(info
);
1359 if (cmd
->iov_size
< dcmd_size
) {
1360 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1362 return MFI_STAT_INVALID_PARAMETER
;
1364 dma_buf_write((uint8_t *)&info
, cmd
->iov_size
, &cmd
->qsg
);
1365 trace_megasas_dcmd_unsupported(cmd
->index
, cmd
->iov_size
);
1369 static int megasas_dcmd_dummy(MegasasState
*s
, MegasasCmd
*cmd
)
1371 trace_megasas_dcmd_dummy(cmd
->index
, cmd
->iov_size
);
1375 static const struct dcmd_cmd_tbl_t
{
1378 int (*func
)(MegasasState
*s
, MegasasCmd
*cmd
);
1379 } dcmd_cmd_tbl
[] = {
1380 { MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC
, "CTRL_HOST_MEM_ALLOC",
1381 megasas_dcmd_dummy
},
1382 { MFI_DCMD_CTRL_GET_INFO
, "CTRL_GET_INFO",
1383 megasas_ctrl_get_info
},
1384 { MFI_DCMD_CTRL_GET_PROPERTIES
, "CTRL_GET_PROPERTIES",
1385 megasas_dcmd_get_properties
},
1386 { MFI_DCMD_CTRL_SET_PROPERTIES
, "CTRL_SET_PROPERTIES",
1387 megasas_dcmd_set_properties
},
1388 { MFI_DCMD_CTRL_ALARM_GET
, "CTRL_ALARM_GET",
1389 megasas_dcmd_dummy
},
1390 { MFI_DCMD_CTRL_ALARM_ENABLE
, "CTRL_ALARM_ENABLE",
1391 megasas_dcmd_dummy
},
1392 { MFI_DCMD_CTRL_ALARM_DISABLE
, "CTRL_ALARM_DISABLE",
1393 megasas_dcmd_dummy
},
1394 { MFI_DCMD_CTRL_ALARM_SILENCE
, "CTRL_ALARM_SILENCE",
1395 megasas_dcmd_dummy
},
1396 { MFI_DCMD_CTRL_ALARM_TEST
, "CTRL_ALARM_TEST",
1397 megasas_dcmd_dummy
},
1398 { MFI_DCMD_CTRL_EVENT_GETINFO
, "CTRL_EVENT_GETINFO",
1399 megasas_event_info
},
1400 { MFI_DCMD_CTRL_EVENT_GET
, "CTRL_EVENT_GET",
1401 megasas_dcmd_dummy
},
1402 { MFI_DCMD_CTRL_EVENT_WAIT
, "CTRL_EVENT_WAIT",
1403 megasas_event_wait
},
1404 { MFI_DCMD_CTRL_SHUTDOWN
, "CTRL_SHUTDOWN",
1405 megasas_ctrl_shutdown
},
1406 { MFI_DCMD_HIBERNATE_STANDBY
, "CTRL_STANDBY",
1407 megasas_dcmd_dummy
},
1408 { MFI_DCMD_CTRL_GET_TIME
, "CTRL_GET_TIME",
1409 megasas_dcmd_get_fw_time
},
1410 { MFI_DCMD_CTRL_SET_TIME
, "CTRL_SET_TIME",
1411 megasas_dcmd_set_fw_time
},
1412 { MFI_DCMD_CTRL_BIOS_DATA_GET
, "CTRL_BIOS_DATA_GET",
1413 megasas_dcmd_get_bios_info
},
1414 { MFI_DCMD_CTRL_FACTORY_DEFAULTS
, "CTRL_FACTORY_DEFAULTS",
1415 megasas_dcmd_dummy
},
1416 { MFI_DCMD_CTRL_MFC_DEFAULTS_GET
, "CTRL_MFC_DEFAULTS_GET",
1417 megasas_mfc_get_defaults
},
1418 { MFI_DCMD_CTRL_MFC_DEFAULTS_SET
, "CTRL_MFC_DEFAULTS_SET",
1419 megasas_dcmd_dummy
},
1420 { MFI_DCMD_CTRL_CACHE_FLUSH
, "CTRL_CACHE_FLUSH",
1421 megasas_cache_flush
},
1422 { MFI_DCMD_PD_GET_LIST
, "PD_GET_LIST",
1423 megasas_dcmd_pd_get_list
},
1424 { MFI_DCMD_PD_LIST_QUERY
, "PD_LIST_QUERY",
1425 megasas_dcmd_pd_list_query
},
1426 { MFI_DCMD_PD_GET_INFO
, "PD_GET_INFO",
1427 megasas_dcmd_pd_get_info
},
1428 { MFI_DCMD_PD_STATE_SET
, "PD_STATE_SET",
1429 megasas_dcmd_dummy
},
1430 { MFI_DCMD_PD_REBUILD
, "PD_REBUILD",
1431 megasas_dcmd_dummy
},
1432 { MFI_DCMD_PD_BLINK
, "PD_BLINK",
1433 megasas_dcmd_dummy
},
1434 { MFI_DCMD_PD_UNBLINK
, "PD_UNBLINK",
1435 megasas_dcmd_dummy
},
1436 { MFI_DCMD_LD_GET_LIST
, "LD_GET_LIST",
1437 megasas_dcmd_ld_get_list
},
1438 { MFI_DCMD_LD_LIST_QUERY
, "LD_LIST_QUERY",
1439 megasas_dcmd_ld_list_query
},
1440 { MFI_DCMD_LD_GET_INFO
, "LD_GET_INFO",
1441 megasas_dcmd_ld_get_info
},
1442 { MFI_DCMD_LD_GET_PROP
, "LD_GET_PROP",
1443 megasas_dcmd_dummy
},
1444 { MFI_DCMD_LD_SET_PROP
, "LD_SET_PROP",
1445 megasas_dcmd_dummy
},
1446 { MFI_DCMD_LD_DELETE
, "LD_DELETE",
1447 megasas_dcmd_dummy
},
1448 { MFI_DCMD_CFG_READ
, "CFG_READ",
1449 megasas_dcmd_cfg_read
},
1450 { MFI_DCMD_CFG_ADD
, "CFG_ADD",
1451 megasas_dcmd_dummy
},
1452 { MFI_DCMD_CFG_CLEAR
, "CFG_CLEAR",
1453 megasas_dcmd_dummy
},
1454 { MFI_DCMD_CFG_FOREIGN_READ
, "CFG_FOREIGN_READ",
1455 megasas_dcmd_dummy
},
1456 { MFI_DCMD_CFG_FOREIGN_IMPORT
, "CFG_FOREIGN_IMPORT",
1457 megasas_dcmd_dummy
},
1458 { MFI_DCMD_BBU_STATUS
, "BBU_STATUS",
1459 megasas_dcmd_dummy
},
1460 { MFI_DCMD_BBU_CAPACITY_INFO
, "BBU_CAPACITY_INFO",
1461 megasas_dcmd_dummy
},
1462 { MFI_DCMD_BBU_DESIGN_INFO
, "BBU_DESIGN_INFO",
1463 megasas_dcmd_dummy
},
1464 { MFI_DCMD_BBU_PROP_GET
, "BBU_PROP_GET",
1465 megasas_dcmd_dummy
},
1466 { MFI_DCMD_CLUSTER
, "CLUSTER",
1467 megasas_dcmd_dummy
},
1468 { MFI_DCMD_CLUSTER_RESET_ALL
, "CLUSTER_RESET_ALL",
1469 megasas_dcmd_dummy
},
1470 { MFI_DCMD_CLUSTER_RESET_LD
, "CLUSTER_RESET_LD",
1471 megasas_cluster_reset_ld
},
1475 static int megasas_handle_dcmd(MegasasState
*s
, MegasasCmd
*cmd
)
1479 const struct dcmd_cmd_tbl_t
*cmdptr
= dcmd_cmd_tbl
;
1481 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1482 trace_megasas_handle_dcmd(cmd
->index
, opcode
);
1483 len
= megasas_map_dcmd(s
, cmd
);
1485 return MFI_STAT_MEMORY_NOT_AVAILABLE
;
1487 while (cmdptr
->opcode
!= -1 && cmdptr
->opcode
!= opcode
) {
1490 if (cmdptr
->opcode
== -1) {
1491 trace_megasas_dcmd_unhandled(cmd
->index
, opcode
, len
);
1492 retval
= megasas_dcmd_dummy(s
, cmd
);
1494 trace_megasas_dcmd_enter(cmd
->index
, cmdptr
->desc
, len
);
1495 retval
= cmdptr
->func(s
, cmd
);
1497 if (retval
!= MFI_STAT_INVALID_STATUS
) {
1498 megasas_finish_dcmd(cmd
, len
);
1503 static int megasas_finish_internal_dcmd(MegasasCmd
*cmd
,
1507 int retval
= MFI_STAT_OK
;
1510 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1511 scsi_req_unref(req
);
1512 trace_megasas_dcmd_internal_finish(cmd
->index
, opcode
, lun
);
1514 case MFI_DCMD_PD_GET_INFO
:
1515 retval
= megasas_pd_get_info_submit(req
->dev
, lun
, cmd
);
1517 case MFI_DCMD_LD_GET_INFO
:
1518 retval
= megasas_ld_get_info_submit(req
->dev
, lun
, cmd
);
1521 trace_megasas_dcmd_internal_invalid(cmd
->index
, opcode
);
1522 retval
= MFI_STAT_INVALID_DCMD
;
1525 if (retval
!= MFI_STAT_INVALID_STATUS
) {
1526 megasas_finish_dcmd(cmd
, cmd
->iov_size
);
1531 static int megasas_enqueue_req(MegasasCmd
*cmd
, bool is_write
)
1535 len
= scsi_req_enqueue(cmd
->req
);
1540 if (len
> cmd
->iov_size
) {
1542 trace_megasas_iov_write_overflow(cmd
->index
, len
,
1545 trace_megasas_iov_read_overflow(cmd
->index
, len
,
1549 if (len
< cmd
->iov_size
) {
1551 trace_megasas_iov_write_underflow(cmd
->index
, len
,
1554 trace_megasas_iov_read_underflow(cmd
->index
, len
,
1557 cmd
->iov_size
= len
;
1559 scsi_req_continue(cmd
->req
);
1564 static int megasas_handle_scsi(MegasasState
*s
, MegasasCmd
*cmd
,
1570 struct SCSIDevice
*sdev
= NULL
;
1572 cdb
= cmd
->frame
->pass
.cdb
;
1574 if (cmd
->frame
->header
.target_id
< s
->fw_luns
) {
1575 sdev
= scsi_device_find(&s
->bus
, 0, cmd
->frame
->header
.target_id
,
1576 cmd
->frame
->header
.lun_id
);
1578 cmd
->iov_size
= le32_to_cpu(cmd
->frame
->header
.data_len
);
1579 trace_megasas_handle_scsi(mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1580 is_logical
, cmd
->frame
->header
.target_id
,
1581 cmd
->frame
->header
.lun_id
, sdev
, cmd
->iov_size
);
1583 if (!sdev
|| (megasas_is_jbod(s
) && is_logical
)) {
1584 trace_megasas_scsi_target_not_present(
1585 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], is_logical
,
1586 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1587 return MFI_STAT_DEVICE_NOT_FOUND
;
1590 if (cmd
->frame
->header
.cdb_len
> 16) {
1591 trace_megasas_scsi_invalid_cdb_len(
1592 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], is_logical
,
1593 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
,
1594 cmd
->frame
->header
.cdb_len
);
1595 megasas_write_sense(cmd
, SENSE_CODE(INVALID_OPCODE
));
1596 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1598 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1601 if (megasas_map_sgl(s
, cmd
, &cmd
->frame
->pass
.sgl
)) {
1602 megasas_write_sense(cmd
, SENSE_CODE(TARGET_FAILURE
));
1603 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1605 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1608 cmd
->req
= scsi_req_new(sdev
, cmd
->index
,
1609 cmd
->frame
->header
.lun_id
, cdb
, cmd
);
1611 trace_megasas_scsi_req_alloc_failed(
1612 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1613 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1614 megasas_write_sense(cmd
, SENSE_CODE(NO_SENSE
));
1615 cmd
->frame
->header
.scsi_status
= BUSY
;
1617 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1620 is_write
= (cmd
->req
->cmd
.mode
== SCSI_XFER_TO_DEV
);
1621 len
= megasas_enqueue_req(cmd
, is_write
);
1624 trace_megasas_scsi_write_start(cmd
->index
, len
);
1626 trace_megasas_scsi_read_start(cmd
->index
, len
);
1629 trace_megasas_scsi_nodata(cmd
->index
);
1631 return MFI_STAT_INVALID_STATUS
;
1634 static int megasas_handle_io(MegasasState
*s
, MegasasCmd
*cmd
)
1636 uint32_t lba_count
, lba_start_hi
, lba_start_lo
;
1638 bool is_write
= (cmd
->frame
->header
.frame_cmd
== MFI_CMD_LD_WRITE
);
1641 struct SCSIDevice
*sdev
= NULL
;
1643 lba_count
= le32_to_cpu(cmd
->frame
->io
.header
.data_len
);
1644 lba_start_lo
= le32_to_cpu(cmd
->frame
->io
.lba_lo
);
1645 lba_start_hi
= le32_to_cpu(cmd
->frame
->io
.lba_hi
);
1646 lba_start
= ((uint64_t)lba_start_hi
<< 32) | lba_start_lo
;
1648 if (cmd
->frame
->header
.target_id
< s
->fw_luns
) {
1649 sdev
= scsi_device_find(&s
->bus
, 0, cmd
->frame
->header
.target_id
,
1650 cmd
->frame
->header
.lun_id
);
1653 trace_megasas_handle_io(cmd
->index
,
1654 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1655 cmd
->frame
->header
.target_id
,
1656 cmd
->frame
->header
.lun_id
,
1657 (unsigned long)lba_start
, (unsigned long)lba_count
);
1659 trace_megasas_io_target_not_present(cmd
->index
,
1660 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1661 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1662 return MFI_STAT_DEVICE_NOT_FOUND
;
1665 if (cmd
->frame
->header
.cdb_len
> 16) {
1666 trace_megasas_scsi_invalid_cdb_len(
1667 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], 1,
1668 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
,
1669 cmd
->frame
->header
.cdb_len
);
1670 megasas_write_sense(cmd
, SENSE_CODE(INVALID_OPCODE
));
1671 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1673 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1676 cmd
->iov_size
= lba_count
* sdev
->blocksize
;
1677 if (megasas_map_sgl(s
, cmd
, &cmd
->frame
->io
.sgl
)) {
1678 megasas_write_sense(cmd
, SENSE_CODE(TARGET_FAILURE
));
1679 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1681 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1684 megasas_encode_lba(cdb
, lba_start
, lba_count
, is_write
);
1685 cmd
->req
= scsi_req_new(sdev
, cmd
->index
,
1686 cmd
->frame
->header
.lun_id
, cdb
, cmd
);
1688 trace_megasas_scsi_req_alloc_failed(
1689 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1690 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1691 megasas_write_sense(cmd
, SENSE_CODE(NO_SENSE
));
1692 cmd
->frame
->header
.scsi_status
= BUSY
;
1694 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1696 len
= megasas_enqueue_req(cmd
, is_write
);
1699 trace_megasas_io_write_start(cmd
->index
, lba_start
, lba_count
, len
);
1701 trace_megasas_io_read_start(cmd
->index
, lba_start
, lba_count
, len
);
1704 return MFI_STAT_INVALID_STATUS
;
1707 static int megasas_finish_internal_command(MegasasCmd
*cmd
,
1708 SCSIRequest
*req
, size_t resid
)
1710 int retval
= MFI_STAT_INVALID_CMD
;
1712 if (cmd
->frame
->header
.frame_cmd
== MFI_CMD_DCMD
) {
1713 cmd
->iov_size
-= resid
;
1714 retval
= megasas_finish_internal_dcmd(cmd
, req
);
1719 static QEMUSGList
*megasas_get_sg_list(SCSIRequest
*req
)
1721 MegasasCmd
*cmd
= req
->hba_private
;
1723 if (cmd
->frame
->header
.frame_cmd
== MFI_CMD_DCMD
) {
1730 static void megasas_xfer_complete(SCSIRequest
*req
, uint32_t len
)
1732 MegasasCmd
*cmd
= req
->hba_private
;
1736 trace_megasas_io_complete(cmd
->index
, len
);
1738 if (cmd
->frame
->header
.frame_cmd
!= MFI_CMD_DCMD
) {
1739 scsi_req_continue(req
);
1743 buf
= scsi_req_get_buf(req
);
1744 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1745 if (opcode
== MFI_DCMD_PD_GET_INFO
&& cmd
->iov_buf
) {
1746 struct mfi_pd_info
*info
= cmd
->iov_buf
;
1748 if (info
->inquiry_data
[0] == 0x7f) {
1749 memset(info
->inquiry_data
, 0, sizeof(info
->inquiry_data
));
1750 memcpy(info
->inquiry_data
, buf
, len
);
1751 } else if (info
->vpd_page83
[0] == 0x7f) {
1752 memset(info
->vpd_page83
, 0, sizeof(info
->vpd_page83
));
1753 memcpy(info
->vpd_page83
, buf
, len
);
1755 scsi_req_continue(req
);
1756 } else if (opcode
== MFI_DCMD_LD_GET_INFO
) {
1757 struct mfi_ld_info
*info
= cmd
->iov_buf
;
1760 memcpy(info
->vpd_page83
, buf
, sizeof(info
->vpd_page83
));
1761 scsi_req_continue(req
);
1766 static void megasas_command_complete(SCSIRequest
*req
, uint32_t status
,
1769 MegasasCmd
*cmd
= req
->hba_private
;
1770 uint8_t cmd_status
= MFI_STAT_OK
;
1772 trace_megasas_command_complete(cmd
->index
, status
, resid
);
1774 if (cmd
->req
!= req
) {
1776 * Internal command complete
1778 cmd_status
= megasas_finish_internal_command(cmd
, req
, resid
);
1779 if (cmd_status
== MFI_STAT_INVALID_STATUS
) {
1783 req
->status
= status
;
1784 trace_megasas_scsi_complete(cmd
->index
, req
->status
,
1785 cmd
->iov_size
, req
->cmd
.xfer
);
1786 if (req
->status
!= GOOD
) {
1787 cmd_status
= MFI_STAT_SCSI_DONE_WITH_ERROR
;
1789 if (req
->status
== CHECK_CONDITION
) {
1790 megasas_copy_sense(cmd
);
1793 megasas_unmap_sgl(cmd
);
1794 cmd
->frame
->header
.scsi_status
= req
->status
;
1795 scsi_req_unref(cmd
->req
);
1798 cmd
->frame
->header
.cmd_status
= cmd_status
;
1799 megasas_complete_frame(cmd
->state
, cmd
->context
);
1802 static void megasas_command_cancel(SCSIRequest
*req
)
1804 MegasasCmd
*cmd
= req
->hba_private
;
1807 megasas_abort_command(cmd
);
1809 scsi_req_unref(req
);
1813 static int megasas_handle_abort(MegasasState
*s
, MegasasCmd
*cmd
)
1815 uint64_t abort_ctx
= le64_to_cpu(cmd
->frame
->abort
.abort_context
);
1816 hwaddr abort_addr
, addr_hi
, addr_lo
;
1817 MegasasCmd
*abort_cmd
;
1819 addr_hi
= le32_to_cpu(cmd
->frame
->abort
.abort_mfi_addr_hi
);
1820 addr_lo
= le32_to_cpu(cmd
->frame
->abort
.abort_mfi_addr_lo
);
1821 abort_addr
= ((uint64_t)addr_hi
<< 32) | addr_lo
;
1823 abort_cmd
= megasas_lookup_frame(s
, abort_addr
);
1825 trace_megasas_abort_no_cmd(cmd
->index
, abort_ctx
);
1829 if (!megasas_use_queue64(s
)) {
1830 abort_ctx
&= (uint64_t)0xFFFFFFFF;
1832 if (abort_cmd
->context
!= abort_ctx
) {
1833 trace_megasas_abort_invalid_context(cmd
->index
, abort_cmd
->index
,
1834 abort_cmd
->context
);
1836 return MFI_STAT_ABORT_NOT_POSSIBLE
;
1838 trace_megasas_abort_frame(cmd
->index
, abort_cmd
->index
);
1839 megasas_abort_command(abort_cmd
);
1840 if (!s
->event_cmd
|| abort_cmd
!= s
->event_cmd
) {
1841 s
->event_cmd
= NULL
;
1847 static void megasas_handle_frame(MegasasState
*s
, uint64_t frame_addr
,
1848 uint32_t frame_count
)
1850 uint8_t frame_status
= MFI_STAT_INVALID_CMD
;
1851 uint64_t frame_context
;
1855 * Always read 64bit context, top bits will be
1856 * masked out if required in megasas_enqueue_frame()
1858 frame_context
= megasas_frame_get_context(frame_addr
);
1860 cmd
= megasas_enqueue_frame(s
, frame_addr
, frame_context
, frame_count
);
1862 /* reply queue full */
1863 trace_megasas_frame_busy(frame_addr
);
1864 megasas_frame_set_scsi_status(frame_addr
, BUSY
);
1865 megasas_frame_set_cmd_status(frame_addr
, MFI_STAT_SCSI_DONE_WITH_ERROR
);
1866 megasas_complete_frame(s
, frame_context
);
1870 switch (cmd
->frame
->header
.frame_cmd
) {
1872 frame_status
= megasas_init_firmware(s
, cmd
);
1875 frame_status
= megasas_handle_dcmd(s
, cmd
);
1878 frame_status
= megasas_handle_abort(s
, cmd
);
1880 case MFI_CMD_PD_SCSI_IO
:
1881 frame_status
= megasas_handle_scsi(s
, cmd
, 0);
1883 case MFI_CMD_LD_SCSI_IO
:
1884 frame_status
= megasas_handle_scsi(s
, cmd
, 1);
1886 case MFI_CMD_LD_READ
:
1887 case MFI_CMD_LD_WRITE
:
1888 frame_status
= megasas_handle_io(s
, cmd
);
1891 trace_megasas_unhandled_frame_cmd(cmd
->index
,
1892 cmd
->frame
->header
.frame_cmd
);
1896 if (frame_status
!= MFI_STAT_INVALID_STATUS
) {
1898 cmd
->frame
->header
.cmd_status
= frame_status
;
1900 megasas_frame_set_cmd_status(frame_addr
, frame_status
);
1902 megasas_complete_frame(s
, cmd
->context
);
1906 static uint64_t megasas_mmio_read(void *opaque
, hwaddr addr
,
1909 MegasasState
*s
= opaque
;
1910 uint32_t retval
= 0;
1918 retval
= (megasas_use_msix(s
) ? MFI_FWSTATE_MSIX_SUPPORTED
: 0) |
1919 (s
->fw_state
& MFI_FWSTATE_MASK
) |
1920 ((s
->fw_sge
& 0xff) << 16) |
1921 (s
->fw_cmds
& 0xFFFF);
1924 if (megasas_intr_enabled(s
) && s
->doorbell
) {
1925 retval
= MFI_1078_RM
| 1;
1929 retval
= s
->intr_mask
;
1932 retval
= s
->doorbell
;
1935 trace_megasas_mmio_invalid_readl(addr
);
1938 trace_megasas_mmio_readl(addr
, retval
);
1942 static void megasas_mmio_write(void *opaque
, hwaddr addr
,
1943 uint64_t val
, unsigned size
)
1945 MegasasState
*s
= opaque
;
1946 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
1947 uint64_t frame_addr
;
1948 uint32_t frame_count
;
1951 trace_megasas_mmio_writel(addr
, val
);
1954 if (val
& MFI_FWINIT_ABORT
) {
1955 /* Abort all pending cmds */
1956 for (i
= 0; i
< s
->fw_cmds
; i
++) {
1957 megasas_abort_command(&s
->frames
[i
]);
1960 if (val
& MFI_FWINIT_READY
) {
1961 /* move to FW READY */
1962 megasas_soft_reset(s
);
1964 if (val
& MFI_FWINIT_MFIMODE
) {
1970 if (!megasas_intr_enabled(s
) &&
1971 !msi_enabled(pci_dev
) &&
1972 !msix_enabled(pci_dev
)) {
1973 trace_megasas_irq_lower();
1974 pci_irq_deassert(pci_dev
);
1976 if (megasas_intr_enabled(s
)) {
1977 if (msix_enabled(pci_dev
)) {
1978 trace_megasas_msix_enabled(0);
1979 } else if (msi_enabled(pci_dev
)) {
1980 trace_megasas_msi_enabled(0);
1982 trace_megasas_intr_enabled();
1985 trace_megasas_intr_disabled();
1990 if (s
->producer_pa
&& megasas_intr_enabled(s
)) {
1991 /* Update reply queue pointer */
1992 trace_megasas_qf_update(s
->reply_queue_head
, s
->busy
);
1993 stl_le_phys(&address_space_memory
,
1994 s
->producer_pa
, s
->reply_queue_head
);
1995 if (!msix_enabled(pci_dev
)) {
1996 trace_megasas_irq_lower();
1997 pci_irq_deassert(pci_dev
);
2002 /* Received high 32 bits of a 64 bit MFI frame address */
2006 /* Received low 32 bits of a 64 bit MFI frame address */
2008 /* Received 32 bit MFI frame address */
2009 frame_addr
= (val
& ~0x1F);
2010 /* Add possible 64 bit offset */
2011 frame_addr
|= ((uint64_t)s
->frame_hi
<< 32);
2013 frame_count
= (val
>> 1) & 0xF;
2014 megasas_handle_frame(s
, frame_addr
, frame_count
);
2017 trace_megasas_mmio_invalid_writel(addr
, val
);
2022 static const MemoryRegionOps megasas_mmio_ops
= {
2023 .read
= megasas_mmio_read
,
2024 .write
= megasas_mmio_write
,
2025 .endianness
= DEVICE_LITTLE_ENDIAN
,
2027 .min_access_size
= 8,
2028 .max_access_size
= 8,
2032 static uint64_t megasas_port_read(void *opaque
, hwaddr addr
,
2035 return megasas_mmio_read(opaque
, addr
& 0xff, size
);
2038 static void megasas_port_write(void *opaque
, hwaddr addr
,
2039 uint64_t val
, unsigned size
)
2041 megasas_mmio_write(opaque
, addr
& 0xff, val
, size
);
2044 static const MemoryRegionOps megasas_port_ops
= {
2045 .read
= megasas_port_read
,
2046 .write
= megasas_port_write
,
2047 .endianness
= DEVICE_LITTLE_ENDIAN
,
2049 .min_access_size
= 4,
2050 .max_access_size
= 4,
2054 static uint64_t megasas_queue_read(void *opaque
, hwaddr addr
,
2060 static const MemoryRegionOps megasas_queue_ops
= {
2061 .read
= megasas_queue_read
,
2062 .endianness
= DEVICE_LITTLE_ENDIAN
,
2064 .min_access_size
= 8,
2065 .max_access_size
= 8,
2069 static void megasas_soft_reset(MegasasState
*s
)
2074 trace_megasas_reset();
2075 for (i
= 0; i
< s
->fw_cmds
; i
++) {
2076 cmd
= &s
->frames
[i
];
2077 megasas_abort_command(cmd
);
2079 megasas_reset_frames(s
);
2080 s
->reply_queue_len
= s
->fw_cmds
;
2081 s
->reply_queue_pa
= 0;
2084 s
->fw_state
= MFI_FWSTATE_READY
;
2086 s
->intr_mask
= MEGASAS_INTR_DISABLED_MASK
;
2088 s
->flags
&= ~MEGASAS_MASK_USE_QUEUE64
;
2090 s
->boot_event
= s
->event_count
;
2093 static void megasas_scsi_reset(DeviceState
*dev
)
2095 MegasasState
*s
= MEGASAS(dev
);
2097 megasas_soft_reset(s
);
2100 static const VMStateDescription vmstate_megasas
= {
2103 .minimum_version_id
= 0,
2104 .minimum_version_id_old
= 0,
2105 .fields
= (VMStateField
[]) {
2106 VMSTATE_PCI_DEVICE(parent_obj
, MegasasState
),
2107 VMSTATE_MSIX(parent_obj
, MegasasState
),
2109 VMSTATE_INT32(fw_state
, MegasasState
),
2110 VMSTATE_INT32(intr_mask
, MegasasState
),
2111 VMSTATE_INT32(doorbell
, MegasasState
),
2112 VMSTATE_UINT64(reply_queue_pa
, MegasasState
),
2113 VMSTATE_UINT64(consumer_pa
, MegasasState
),
2114 VMSTATE_UINT64(producer_pa
, MegasasState
),
2115 VMSTATE_END_OF_LIST()
2119 static void megasas_scsi_uninit(PCIDevice
*d
)
2121 MegasasState
*s
= MEGASAS(d
);
2123 if (megasas_use_msix(s
)) {
2124 msix_uninit(d
, &s
->mmio_io
, &s
->mmio_io
);
2126 if (megasas_use_msi(s
)) {
2129 memory_region_destroy(&s
->mmio_io
);
2130 memory_region_destroy(&s
->port_io
);
2131 memory_region_destroy(&s
->queue_io
);
2134 static const struct SCSIBusInfo megasas_scsi_info
= {
2136 .max_target
= MFI_MAX_LD
,
2139 .transfer_data
= megasas_xfer_complete
,
2140 .get_sg_list
= megasas_get_sg_list
,
2141 .complete
= megasas_command_complete
,
2142 .cancel
= megasas_command_cancel
,
2145 static int megasas_scsi_init(PCIDevice
*dev
)
2147 DeviceState
*d
= DEVICE(dev
);
2148 MegasasState
*s
= MEGASAS(dev
);
2153 pci_conf
= dev
->config
;
2155 /* PCI latency timer = 0 */
2156 pci_conf
[PCI_LATENCY_TIMER
] = 0;
2157 /* Interrupt pin 1 */
2158 pci_conf
[PCI_INTERRUPT_PIN
] = 0x01;
2160 memory_region_init_io(&s
->mmio_io
, OBJECT(s
), &megasas_mmio_ops
, s
,
2161 "megasas-mmio", 0x4000);
2162 memory_region_init_io(&s
->port_io
, OBJECT(s
), &megasas_port_ops
, s
,
2164 memory_region_init_io(&s
->queue_io
, OBJECT(s
), &megasas_queue_ops
, s
,
2165 "megasas-queue", 0x40000);
2167 if (megasas_use_msi(s
) &&
2168 msi_init(dev
, 0x50, 1, true, false)) {
2169 s
->flags
&= ~MEGASAS_MASK_USE_MSI
;
2171 if (megasas_use_msix(s
) &&
2172 msix_init(dev
, 15, &s
->mmio_io
, 0, 0x2000,
2173 &s
->mmio_io
, 0, 0x3800, 0x68)) {
2174 s
->flags
&= ~MEGASAS_MASK_USE_MSIX
;
2177 bar_type
= PCI_BASE_ADDRESS_SPACE_MEMORY
| PCI_BASE_ADDRESS_MEM_TYPE_64
;
2178 pci_register_bar(dev
, 0, bar_type
, &s
->mmio_io
);
2179 pci_register_bar(dev
, 2, PCI_BASE_ADDRESS_SPACE_IO
, &s
->port_io
);
2180 pci_register_bar(dev
, 3, bar_type
, &s
->queue_io
);
2182 if (megasas_use_msix(s
)) {
2183 msix_vector_use(dev
, 0);
2187 s
->sas_addr
= ((NAA_LOCALLY_ASSIGNED_ID
<< 24) |
2188 IEEE_COMPANY_LOCALLY_ASSIGNED
) << 36;
2189 s
->sas_addr
|= (pci_bus_num(dev
->bus
) << 16);
2190 s
->sas_addr
|= (PCI_SLOT(dev
->devfn
) << 8);
2191 s
->sas_addr
|= PCI_FUNC(dev
->devfn
);
2193 if (!s
->hba_serial
) {
2194 s
->hba_serial
= g_strdup(MEGASAS_HBA_SERIAL
);
2196 if (s
->fw_sge
>= MEGASAS_MAX_SGE
- MFI_PASS_FRAME_SIZE
) {
2197 s
->fw_sge
= MEGASAS_MAX_SGE
- MFI_PASS_FRAME_SIZE
;
2198 } else if (s
->fw_sge
>= 128 - MFI_PASS_FRAME_SIZE
) {
2199 s
->fw_sge
= 128 - MFI_PASS_FRAME_SIZE
;
2201 s
->fw_sge
= 64 - MFI_PASS_FRAME_SIZE
;
2203 if (s
->fw_cmds
> MEGASAS_MAX_FRAMES
) {
2204 s
->fw_cmds
= MEGASAS_MAX_FRAMES
;
2206 trace_megasas_init(s
->fw_sge
, s
->fw_cmds
,
2207 megasas_is_jbod(s
) ? "jbod" : "raid");
2208 s
->fw_luns
= (MFI_MAX_LD
> MAX_SCSI_DEVS
) ?
2209 MAX_SCSI_DEVS
: MFI_MAX_LD
;
2212 for (i
= 0; i
< s
->fw_cmds
; i
++) {
2213 s
->frames
[i
].index
= i
;
2214 s
->frames
[i
].context
= -1;
2215 s
->frames
[i
].pa
= 0;
2216 s
->frames
[i
].state
= s
;
2219 scsi_bus_new(&s
->bus
, sizeof(s
->bus
), DEVICE(dev
),
2220 &megasas_scsi_info
, NULL
);
2221 if (!d
->hotplugged
) {
2222 scsi_bus_legacy_handle_cmdline(&s
->bus
, &err
);
2232 megasas_write_config(PCIDevice
*pci
, uint32_t addr
, uint32_t val
, int len
)
2234 pci_default_write_config(pci
, addr
, val
, len
);
2235 msi_write_config(pci
, addr
, val
, len
);
2238 static Property megasas_properties
[] = {
2239 DEFINE_PROP_UINT32("max_sge", MegasasState
, fw_sge
,
2240 MEGASAS_DEFAULT_SGE
),
2241 DEFINE_PROP_UINT32("max_cmds", MegasasState
, fw_cmds
,
2242 MEGASAS_DEFAULT_FRAMES
),
2243 DEFINE_PROP_STRING("hba_serial", MegasasState
, hba_serial
),
2244 DEFINE_PROP_UINT64("sas_address", MegasasState
, sas_addr
, 0),
2245 DEFINE_PROP_BIT("use_msi", MegasasState
, flags
,
2246 MEGASAS_FLAG_USE_MSI
, false),
2247 DEFINE_PROP_BIT("use_msix", MegasasState
, flags
,
2248 MEGASAS_FLAG_USE_MSIX
, false),
2249 DEFINE_PROP_BIT("use_jbod", MegasasState
, flags
,
2250 MEGASAS_FLAG_USE_JBOD
, false),
2251 DEFINE_PROP_END_OF_LIST(),
2254 static void megasas_class_init(ObjectClass
*oc
, void *data
)
2256 DeviceClass
*dc
= DEVICE_CLASS(oc
);
2257 PCIDeviceClass
*pc
= PCI_DEVICE_CLASS(oc
);
2259 pc
->init
= megasas_scsi_init
;
2260 pc
->exit
= megasas_scsi_uninit
;
2261 pc
->vendor_id
= PCI_VENDOR_ID_LSI_LOGIC
;
2262 pc
->device_id
= PCI_DEVICE_ID_LSI_SAS1078
;
2263 pc
->subsystem_vendor_id
= PCI_VENDOR_ID_LSI_LOGIC
;
2264 pc
->subsystem_id
= 0x1013;
2265 pc
->class_id
= PCI_CLASS_STORAGE_RAID
;
2266 dc
->props
= megasas_properties
;
2267 dc
->reset
= megasas_scsi_reset
;
2268 dc
->vmsd
= &vmstate_megasas
;
2269 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
2270 dc
->desc
= "LSI MegaRAID SAS 1078";
2271 pc
->config_write
= megasas_write_config
;
2274 static const TypeInfo megasas_info
= {
2275 .name
= TYPE_MEGASAS
,
2276 .parent
= TYPE_PCI_DEVICE
,
2277 .instance_size
= sizeof(MegasasState
),
2278 .class_init
= megasas_class_init
,
2281 static void megasas_register_types(void)
2283 type_register_static(&megasas_info
);
2286 type_init(megasas_register_types
)