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/msix.h"
26 #include "hw/scsi/scsi.h"
27 #include "block/scsi.h"
32 #define MEGASAS_VERSION "1.70"
33 #define MEGASAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */
34 #define MEGASAS_DEFAULT_FRAMES 1000 /* Windows requires this */
35 #define MEGASAS_MAX_SGE 128 /* Firmware limit */
36 #define MEGASAS_DEFAULT_SGE 80
37 #define MEGASAS_MAX_SECTORS 0xFFFF /* No real limit */
38 #define MEGASAS_MAX_ARRAYS 128
40 #define MEGASAS_HBA_SERIAL "QEMU123456"
41 #define NAA_LOCALLY_ASSIGNED_ID 0x3ULL
42 #define IEEE_COMPANY_LOCALLY_ASSIGNED 0x525400
44 #define MEGASAS_FLAG_USE_JBOD 0
45 #define MEGASAS_MASK_USE_JBOD (1 << MEGASAS_FLAG_USE_JBOD)
46 #define MEGASAS_FLAG_USE_MSIX 1
47 #define MEGASAS_MASK_USE_MSIX (1 << MEGASAS_FLAG_USE_MSIX)
48 #define MEGASAS_FLAG_USE_QUEUE64 2
49 #define MEGASAS_MASK_USE_QUEUE64 (1 << MEGASAS_FLAG_USE_QUEUE64)
51 static const char *mfi_frame_desc
[] = {
52 "MFI init", "LD Read", "LD Write", "LD SCSI", "PD SCSI",
53 "MFI Doorbell", "MFI Abort", "MFI SMP", "MFI Stop"};
55 typedef struct MegasasCmd
{
63 union mfi_frame
*frame
;
69 struct MegasasState
*state
;
72 typedef struct MegasasState
{
79 MemoryRegion queue_io
;
91 MegasasCmd
*event_cmd
;
101 uint64_t reply_queue_pa
;
104 int reply_queue_head
;
105 int reply_queue_tail
;
106 uint64_t consumer_pa
;
107 uint64_t producer_pa
;
109 MegasasCmd frames
[MEGASAS_MAX_FRAMES
];
114 #define TYPE_MEGASAS "megasas"
116 #define MEGASAS(obj) \
117 OBJECT_CHECK(MegasasState, (obj), TYPE_MEGASAS)
119 #define MEGASAS_INTR_DISABLED_MASK 0xFFFFFFFF
121 static bool megasas_intr_enabled(MegasasState
*s
)
123 if ((s
->intr_mask
& MEGASAS_INTR_DISABLED_MASK
) !=
124 MEGASAS_INTR_DISABLED_MASK
) {
130 static bool megasas_use_queue64(MegasasState
*s
)
132 return s
->flags
& MEGASAS_MASK_USE_QUEUE64
;
135 static bool megasas_use_msix(MegasasState
*s
)
137 return s
->flags
& MEGASAS_MASK_USE_MSIX
;
140 static bool megasas_is_jbod(MegasasState
*s
)
142 return s
->flags
& MEGASAS_MASK_USE_JBOD
;
145 static void megasas_frame_set_cmd_status(unsigned long frame
, uint8_t v
)
147 stb_phys(&address_space_memory
,
148 frame
+ offsetof(struct mfi_frame_header
, cmd_status
), v
);
151 static void megasas_frame_set_scsi_status(unsigned long frame
, uint8_t v
)
153 stb_phys(&address_space_memory
,
154 frame
+ offsetof(struct mfi_frame_header
, scsi_status
), v
);
158 * Context is considered opaque, but the HBA firmware is running
159 * in little endian mode. So convert it to little endian, too.
161 static uint64_t megasas_frame_get_context(unsigned long frame
)
163 return ldq_le_phys(&address_space_memory
,
164 frame
+ offsetof(struct mfi_frame_header
, context
));
167 static bool megasas_frame_is_ieee_sgl(MegasasCmd
*cmd
)
169 return cmd
->flags
& MFI_FRAME_IEEE_SGL
;
172 static bool megasas_frame_is_sgl64(MegasasCmd
*cmd
)
174 return cmd
->flags
& MFI_FRAME_SGL64
;
177 static bool megasas_frame_is_sense64(MegasasCmd
*cmd
)
179 return cmd
->flags
& MFI_FRAME_SENSE64
;
182 static uint64_t megasas_sgl_get_addr(MegasasCmd
*cmd
,
187 if (megasas_frame_is_ieee_sgl(cmd
)) {
188 addr
= le64_to_cpu(sgl
->sg_skinny
->addr
);
189 } else if (megasas_frame_is_sgl64(cmd
)) {
190 addr
= le64_to_cpu(sgl
->sg64
->addr
);
192 addr
= le32_to_cpu(sgl
->sg32
->addr
);
197 static uint32_t megasas_sgl_get_len(MegasasCmd
*cmd
,
202 if (megasas_frame_is_ieee_sgl(cmd
)) {
203 len
= le32_to_cpu(sgl
->sg_skinny
->len
);
204 } else if (megasas_frame_is_sgl64(cmd
)) {
205 len
= le32_to_cpu(sgl
->sg64
->len
);
207 len
= le32_to_cpu(sgl
->sg32
->len
);
212 static union mfi_sgl
*megasas_sgl_next(MegasasCmd
*cmd
,
215 uint8_t *next
= (uint8_t *)sgl
;
217 if (megasas_frame_is_ieee_sgl(cmd
)) {
218 next
+= sizeof(struct mfi_sg_skinny
);
219 } else if (megasas_frame_is_sgl64(cmd
)) {
220 next
+= sizeof(struct mfi_sg64
);
222 next
+= sizeof(struct mfi_sg32
);
225 if (next
>= (uint8_t *)cmd
->frame
+ cmd
->pa_size
) {
228 return (union mfi_sgl
*)next
;
231 static void megasas_soft_reset(MegasasState
*s
);
233 static int megasas_map_sgl(MegasasState
*s
, MegasasCmd
*cmd
, union mfi_sgl
*sgl
)
239 cmd
->flags
= le16_to_cpu(cmd
->frame
->header
.flags
);
240 iov_count
= cmd
->frame
->header
.sge_count
;
241 if (iov_count
> MEGASAS_MAX_SGE
) {
242 trace_megasas_iovec_sgl_overflow(cmd
->index
, iov_count
,
246 pci_dma_sglist_init(&cmd
->qsg
, PCI_DEVICE(s
), iov_count
);
247 for (i
= 0; i
< iov_count
; i
++) {
248 dma_addr_t iov_pa
, iov_size_p
;
251 trace_megasas_iovec_sgl_underflow(cmd
->index
, i
);
254 iov_pa
= megasas_sgl_get_addr(cmd
, sgl
);
255 iov_size_p
= megasas_sgl_get_len(cmd
, sgl
);
256 if (!iov_pa
|| !iov_size_p
) {
257 trace_megasas_iovec_sgl_invalid(cmd
->index
, i
,
261 qemu_sglist_add(&cmd
->qsg
, iov_pa
, iov_size_p
);
262 sgl
= megasas_sgl_next(cmd
, sgl
);
263 iov_size
+= (size_t)iov_size_p
;
265 if (cmd
->iov_size
> iov_size
) {
266 trace_megasas_iovec_overflow(cmd
->index
, iov_size
, cmd
->iov_size
);
267 } else if (cmd
->iov_size
< iov_size
) {
268 trace_megasas_iovec_underflow(cmd
->iov_size
, iov_size
, cmd
->iov_size
);
273 qemu_sglist_destroy(&cmd
->qsg
);
274 return iov_count
- i
;
277 static void megasas_unmap_sgl(MegasasCmd
*cmd
)
279 qemu_sglist_destroy(&cmd
->qsg
);
284 * passthrough sense and io sense are at the same offset
286 static int megasas_build_sense(MegasasCmd
*cmd
, uint8_t *sense_ptr
,
289 uint32_t pa_hi
= 0, pa_lo
;
292 if (sense_len
> cmd
->frame
->header
.sense_len
) {
293 sense_len
= cmd
->frame
->header
.sense_len
;
296 pa_lo
= le32_to_cpu(cmd
->frame
->pass
.sense_addr_lo
);
297 if (megasas_frame_is_sense64(cmd
)) {
298 pa_hi
= le32_to_cpu(cmd
->frame
->pass
.sense_addr_hi
);
300 pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
301 cpu_physical_memory_write(pa
, sense_ptr
, sense_len
);
302 cmd
->frame
->header
.sense_len
= sense_len
;
307 static void megasas_write_sense(MegasasCmd
*cmd
, SCSISense sense
)
309 uint8_t sense_buf
[SCSI_SENSE_BUF_SIZE
];
310 uint8_t sense_len
= 18;
312 memset(sense_buf
, 0, sense_len
);
314 sense_buf
[2] = sense
.key
;
316 sense_buf
[12] = sense
.asc
;
317 sense_buf
[13] = sense
.ascq
;
318 megasas_build_sense(cmd
, sense_buf
, sense_len
);
321 static void megasas_copy_sense(MegasasCmd
*cmd
)
323 uint8_t sense_buf
[SCSI_SENSE_BUF_SIZE
];
326 sense_len
= scsi_req_get_sense(cmd
->req
, sense_buf
,
327 SCSI_SENSE_BUF_SIZE
);
328 megasas_build_sense(cmd
, sense_buf
, sense_len
);
332 * Format an INQUIRY CDB
334 static int megasas_setup_inquiry(uint8_t *cdb
, int pg
, int len
)
342 cdb
[3] = (len
>> 8) & 0xff;
343 cdb
[4] = (len
& 0xff);
348 * Encode lba and len into a READ_16/WRITE_16 CDB
350 static void megasas_encode_lba(uint8_t *cdb
, uint64_t lba
,
351 uint32_t len
, bool is_write
)
353 memset(cdb
, 0x0, 16);
359 cdb
[2] = (lba
>> 56) & 0xff;
360 cdb
[3] = (lba
>> 48) & 0xff;
361 cdb
[4] = (lba
>> 40) & 0xff;
362 cdb
[5] = (lba
>> 32) & 0xff;
363 cdb
[6] = (lba
>> 24) & 0xff;
364 cdb
[7] = (lba
>> 16) & 0xff;
365 cdb
[8] = (lba
>> 8) & 0xff;
366 cdb
[9] = (lba
) & 0xff;
367 cdb
[10] = (len
>> 24) & 0xff;
368 cdb
[11] = (len
>> 16) & 0xff;
369 cdb
[12] = (len
>> 8) & 0xff;
370 cdb
[13] = (len
) & 0xff;
376 static uint64_t megasas_fw_time(void)
381 qemu_get_timedate(&curtime
, 0);
382 bcd_time
= ((uint64_t)curtime
.tm_sec
& 0xff) << 48 |
383 ((uint64_t)curtime
.tm_min
& 0xff) << 40 |
384 ((uint64_t)curtime
.tm_hour
& 0xff) << 32 |
385 ((uint64_t)curtime
.tm_mday
& 0xff) << 24 |
386 ((uint64_t)curtime
.tm_mon
& 0xff) << 16 |
387 ((uint64_t)(curtime
.tm_year
+ 1900) & 0xffff);
393 * Default disk sata address
394 * 0x1221 is the magic number as
395 * present in real hardware,
396 * so use it here, too.
398 static uint64_t megasas_get_sata_addr(uint16_t id
)
400 uint64_t addr
= (0x1221ULL
<< 48);
401 return addr
& (id
<< 24);
407 static int megasas_next_index(MegasasState
*s
, int index
, int limit
)
410 if (index
== limit
) {
416 static MegasasCmd
*megasas_lookup_frame(MegasasState
*s
,
419 MegasasCmd
*cmd
= NULL
;
422 index
= s
->reply_queue_head
;
424 while (num
< s
->fw_cmds
) {
425 if (s
->frames
[index
].pa
&& s
->frames
[index
].pa
== frame
) {
426 cmd
= &s
->frames
[index
];
429 index
= megasas_next_index(s
, index
, s
->fw_cmds
);
436 static MegasasCmd
*megasas_next_frame(MegasasState
*s
,
439 MegasasCmd
*cmd
= NULL
;
442 cmd
= megasas_lookup_frame(s
, frame
);
444 trace_megasas_qf_found(cmd
->index
, cmd
->pa
);
447 index
= s
->reply_queue_head
;
449 while (num
< s
->fw_cmds
) {
450 if (!s
->frames
[index
].pa
) {
451 cmd
= &s
->frames
[index
];
454 index
= megasas_next_index(s
, index
, s
->fw_cmds
);
458 trace_megasas_qf_failed(frame
);
460 trace_megasas_qf_new(index
, cmd
);
464 static MegasasCmd
*megasas_enqueue_frame(MegasasState
*s
,
465 hwaddr frame
, uint64_t context
, int count
)
467 MegasasCmd
*cmd
= NULL
;
468 int frame_size
= MFI_FRAME_SIZE
* 16;
469 hwaddr frame_size_p
= frame_size
;
471 cmd
= megasas_next_frame(s
, frame
);
472 /* All frames busy */
478 /* Map all possible frames */
479 cmd
->frame
= cpu_physical_memory_map(frame
, &frame_size_p
, 0);
480 if (frame_size_p
!= frame_size
) {
481 trace_megasas_qf_map_failed(cmd
->index
, (unsigned long)frame
);
483 cpu_physical_memory_unmap(cmd
->frame
, frame_size_p
, 0, 0);
490 cmd
->pa_size
= frame_size_p
;
491 cmd
->context
= context
;
492 if (!megasas_use_queue64(s
)) {
493 cmd
->context
&= (uint64_t)0xFFFFFFFF;
499 trace_megasas_qf_enqueue(cmd
->index
, cmd
->count
, cmd
->context
,
500 s
->reply_queue_head
, s
->busy
);
505 static void megasas_complete_frame(MegasasState
*s
, uint64_t context
)
507 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
508 int tail
, queue_offset
;
510 /* Decrement busy count */
513 if (s
->reply_queue_pa
) {
515 * Put command on the reply queue.
516 * Context is opaque, but emulation is running in
517 * little endian. So convert it.
519 tail
= s
->reply_queue_head
;
520 if (megasas_use_queue64(s
)) {
521 queue_offset
= tail
* sizeof(uint64_t);
522 stq_le_phys(&address_space_memory
,
523 s
->reply_queue_pa
+ queue_offset
, context
);
525 queue_offset
= tail
* sizeof(uint32_t);
526 stl_le_phys(&address_space_memory
,
527 s
->reply_queue_pa
+ queue_offset
, context
);
529 s
->reply_queue_head
= megasas_next_index(s
, tail
, s
->fw_cmds
);
530 trace_megasas_qf_complete(context
, tail
, queue_offset
,
531 s
->busy
, s
->doorbell
);
534 if (megasas_intr_enabled(s
)) {
537 if (s
->doorbell
== 1) {
538 if (msix_enabled(pci_dev
)) {
539 trace_megasas_msix_raise(0);
540 msix_notify(pci_dev
, 0);
542 trace_megasas_irq_raise();
543 pci_irq_assert(pci_dev
);
547 trace_megasas_qf_complete_noirq(context
);
551 static void megasas_reset_frames(MegasasState
*s
)
556 for (i
= 0; i
< s
->fw_cmds
; i
++) {
559 cpu_physical_memory_unmap(cmd
->frame
, cmd
->pa_size
, 0, 0);
566 static void megasas_abort_command(MegasasCmd
*cmd
)
569 scsi_req_cancel(cmd
->req
);
574 static int megasas_init_firmware(MegasasState
*s
, MegasasCmd
*cmd
)
576 uint32_t pa_hi
, pa_lo
;
577 hwaddr iq_pa
, initq_size
;
578 struct mfi_init_qinfo
*initq
;
580 int ret
= MFI_STAT_OK
;
582 pa_lo
= le32_to_cpu(cmd
->frame
->init
.qinfo_new_addr_lo
);
583 pa_hi
= le32_to_cpu(cmd
->frame
->init
.qinfo_new_addr_hi
);
584 iq_pa
= (((uint64_t) pa_hi
<< 32) | pa_lo
);
585 trace_megasas_init_firmware((uint64_t)iq_pa
);
586 initq_size
= sizeof(*initq
);
587 initq
= cpu_physical_memory_map(iq_pa
, &initq_size
, 0);
588 if (!initq
|| initq_size
!= sizeof(*initq
)) {
589 trace_megasas_initq_map_failed(cmd
->index
);
591 ret
= MFI_STAT_MEMORY_NOT_AVAILABLE
;
594 s
->reply_queue_len
= le32_to_cpu(initq
->rq_entries
) & 0xFFFF;
595 if (s
->reply_queue_len
> s
->fw_cmds
) {
596 trace_megasas_initq_mismatch(s
->reply_queue_len
, s
->fw_cmds
);
598 ret
= MFI_STAT_INVALID_PARAMETER
;
601 pa_lo
= le32_to_cpu(initq
->rq_addr_lo
);
602 pa_hi
= le32_to_cpu(initq
->rq_addr_hi
);
603 s
->reply_queue_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
604 pa_lo
= le32_to_cpu(initq
->ci_addr_lo
);
605 pa_hi
= le32_to_cpu(initq
->ci_addr_hi
);
606 s
->consumer_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
607 pa_lo
= le32_to_cpu(initq
->pi_addr_lo
);
608 pa_hi
= le32_to_cpu(initq
->pi_addr_hi
);
609 s
->producer_pa
= ((uint64_t) pa_hi
<< 32) | pa_lo
;
610 s
->reply_queue_head
= ldl_le_phys(&address_space_memory
, s
->producer_pa
);
611 s
->reply_queue_tail
= ldl_le_phys(&address_space_memory
, s
->consumer_pa
);
612 flags
= le32_to_cpu(initq
->flags
);
613 if (flags
& MFI_QUEUE_FLAG_CONTEXT64
) {
614 s
->flags
|= MEGASAS_MASK_USE_QUEUE64
;
616 trace_megasas_init_queue((unsigned long)s
->reply_queue_pa
,
617 s
->reply_queue_len
, s
->reply_queue_head
,
618 s
->reply_queue_tail
, flags
);
619 megasas_reset_frames(s
);
620 s
->fw_state
= MFI_FWSTATE_OPERATIONAL
;
623 cpu_physical_memory_unmap(initq
, initq_size
, 0, 0);
628 static int megasas_map_dcmd(MegasasState
*s
, MegasasCmd
*cmd
)
630 dma_addr_t iov_pa
, iov_size
;
632 cmd
->flags
= le16_to_cpu(cmd
->frame
->header
.flags
);
633 if (!cmd
->frame
->header
.sge_count
) {
634 trace_megasas_dcmd_zero_sge(cmd
->index
);
637 } else if (cmd
->frame
->header
.sge_count
> 1) {
638 trace_megasas_dcmd_invalid_sge(cmd
->index
,
639 cmd
->frame
->header
.sge_count
);
643 iov_pa
= megasas_sgl_get_addr(cmd
, &cmd
->frame
->dcmd
.sgl
);
644 iov_size
= megasas_sgl_get_len(cmd
, &cmd
->frame
->dcmd
.sgl
);
645 pci_dma_sglist_init(&cmd
->qsg
, PCI_DEVICE(s
), 1);
646 qemu_sglist_add(&cmd
->qsg
, iov_pa
, iov_size
);
647 cmd
->iov_size
= iov_size
;
648 return cmd
->iov_size
;
651 static void megasas_finish_dcmd(MegasasCmd
*cmd
, uint32_t iov_size
)
653 trace_megasas_finish_dcmd(cmd
->index
, iov_size
);
655 if (cmd
->frame
->header
.sge_count
) {
656 qemu_sglist_destroy(&cmd
->qsg
);
658 if (iov_size
> cmd
->iov_size
) {
659 if (megasas_frame_is_ieee_sgl(cmd
)) {
660 cmd
->frame
->dcmd
.sgl
.sg_skinny
->len
= cpu_to_le32(iov_size
);
661 } else if (megasas_frame_is_sgl64(cmd
)) {
662 cmd
->frame
->dcmd
.sgl
.sg64
->len
= cpu_to_le32(iov_size
);
664 cmd
->frame
->dcmd
.sgl
.sg32
->len
= cpu_to_le32(iov_size
);
670 static int megasas_ctrl_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
672 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
673 struct mfi_ctrl_info info
;
674 size_t dcmd_size
= sizeof(info
);
676 int num_ld_disks
= 0;
679 memset(&info
, 0x0, cmd
->iov_size
);
680 if (cmd
->iov_size
< dcmd_size
) {
681 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
683 return MFI_STAT_INVALID_PARAMETER
;
686 info
.pci
.vendor
= cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC
);
687 info
.pci
.device
= cpu_to_le16(PCI_DEVICE_ID_LSI_SAS1078
);
688 info
.pci
.subvendor
= cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC
);
689 info
.pci
.subdevice
= cpu_to_le16(0x1013);
692 * For some reason the firmware supports
693 * only up to 8 device ports.
694 * Despite supporting a far larger number
695 * of devices for the physical devices.
696 * So just display the first 8 devices
697 * in the device port list, independent
698 * of how many logical devices are actually
701 info
.host
.type
= MFI_INFO_HOST_PCIE
;
702 info
.device
.type
= MFI_INFO_DEV_SAS3G
;
703 info
.device
.port_count
= 8;
704 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
705 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
707 if (num_ld_disks
< 8) {
708 sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
709 info
.device
.port_addr
[num_ld_disks
] =
710 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
715 memcpy(info
.product_name
, "MegaRAID SAS 8708EM2", 20);
716 snprintf(info
.serial_number
, 32, "%s", s
->hba_serial
);
717 snprintf(info
.package_version
, 0x60, "%s-QEMU", QEMU_VERSION
);
718 memcpy(info
.image_component
[0].name
, "APP", 3);
719 memcpy(info
.image_component
[0].version
, MEGASAS_VERSION
"-QEMU", 9);
720 memcpy(info
.image_component
[0].build_date
, __DATE__
, 11);
721 memcpy(info
.image_component
[0].build_time
, __TIME__
, 8);
722 info
.image_component_count
= 1;
723 if (pci_dev
->has_rom
) {
727 ptr
= memory_region_get_ram_ptr(&pci_dev
->rom
);
728 memcpy(biosver
, ptr
+ 0x41, 31);
729 memcpy(info
.image_component
[1].name
, "BIOS", 4);
730 memcpy(info
.image_component
[1].version
, biosver
,
731 strlen((const char *)biosver
));
732 info
.image_component_count
++;
734 info
.current_fw_time
= cpu_to_le32(megasas_fw_time());
737 info
.max_arrays
= MEGASAS_MAX_ARRAYS
;
738 info
.max_lds
= s
->fw_luns
;
739 info
.max_cmds
= cpu_to_le16(s
->fw_cmds
);
740 info
.max_sg_elements
= cpu_to_le16(s
->fw_sge
);
741 info
.max_request_size
= cpu_to_le32(MEGASAS_MAX_SECTORS
);
742 info
.lds_present
= cpu_to_le16(num_ld_disks
);
743 info
.pd_present
= cpu_to_le16(num_ld_disks
);
744 info
.pd_disks_present
= cpu_to_le16(num_ld_disks
);
745 info
.hw_present
= cpu_to_le32(MFI_INFO_HW_NVRAM
|
748 info
.memory_size
= cpu_to_le16(512);
749 info
.nvram_size
= cpu_to_le16(32);
750 info
.flash_size
= cpu_to_le16(16);
751 info
.raid_levels
= cpu_to_le32(MFI_INFO_RAID_0
);
752 info
.adapter_ops
= cpu_to_le32(MFI_INFO_AOPS_RBLD_RATE
|
753 MFI_INFO_AOPS_SELF_DIAGNOSTIC
|
754 MFI_INFO_AOPS_MIXED_ARRAY
);
755 info
.ld_ops
= cpu_to_le32(MFI_INFO_LDOPS_DISK_CACHE_POLICY
|
756 MFI_INFO_LDOPS_ACCESS_POLICY
|
757 MFI_INFO_LDOPS_IO_POLICY
|
758 MFI_INFO_LDOPS_WRITE_POLICY
|
759 MFI_INFO_LDOPS_READ_POLICY
);
760 info
.max_strips_per_io
= cpu_to_le16(s
->fw_sge
);
761 info
.stripe_sz_ops
.min
= 3;
762 info
.stripe_sz_ops
.max
= ffs(MEGASAS_MAX_SECTORS
+ 1) - 1;
763 info
.properties
.pred_fail_poll_interval
= cpu_to_le16(300);
764 info
.properties
.intr_throttle_cnt
= cpu_to_le16(16);
765 info
.properties
.intr_throttle_timeout
= cpu_to_le16(50);
766 info
.properties
.rebuild_rate
= 30;
767 info
.properties
.patrol_read_rate
= 30;
768 info
.properties
.bgi_rate
= 30;
769 info
.properties
.cc_rate
= 30;
770 info
.properties
.recon_rate
= 30;
771 info
.properties
.cache_flush_interval
= 4;
772 info
.properties
.spinup_drv_cnt
= 2;
773 info
.properties
.spinup_delay
= 6;
774 info
.properties
.ecc_bucket_size
= 15;
775 info
.properties
.ecc_bucket_leak_rate
= cpu_to_le16(1440);
776 info
.properties
.expose_encl_devices
= 1;
777 info
.properties
.OnOffProperties
= cpu_to_le32(MFI_CTRL_PROP_EnableJBOD
);
778 info
.pd_ops
= cpu_to_le32(MFI_INFO_PDOPS_FORCE_ONLINE
|
779 MFI_INFO_PDOPS_FORCE_OFFLINE
);
780 info
.pd_mix_support
= cpu_to_le32(MFI_INFO_PDMIX_SAS
|
781 MFI_INFO_PDMIX_SATA
|
784 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
788 static int megasas_mfc_get_defaults(MegasasState
*s
, MegasasCmd
*cmd
)
790 struct mfi_defaults info
;
791 size_t dcmd_size
= sizeof(struct mfi_defaults
);
793 memset(&info
, 0x0, dcmd_size
);
794 if (cmd
->iov_size
< dcmd_size
) {
795 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
797 return MFI_STAT_INVALID_PARAMETER
;
800 info
.sas_addr
= cpu_to_le64(s
->sas_addr
);
801 info
.stripe_size
= 3;
803 info
.background_rate
= 30;
804 info
.allow_mix_in_enclosure
= 1;
805 info
.allow_mix_in_ld
= 1;
806 info
.direct_pd_mapping
= 1;
807 /* Enable for BIOS support */
808 info
.bios_enumerate_lds
= 1;
809 info
.disable_ctrl_r
= 1;
810 info
.expose_enclosure_devices
= 1;
811 info
.disable_preboot_cli
= 1;
812 info
.cluster_disable
= 1;
814 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
818 static int megasas_dcmd_get_bios_info(MegasasState
*s
, MegasasCmd
*cmd
)
820 struct mfi_bios_data info
;
821 size_t dcmd_size
= sizeof(info
);
823 memset(&info
, 0x0, dcmd_size
);
824 if (cmd
->iov_size
< dcmd_size
) {
825 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
827 return MFI_STAT_INVALID_PARAMETER
;
829 info
.continue_on_error
= 1;
831 if (megasas_is_jbod(s
)) {
832 info
.expose_all_drives
= 1;
835 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
839 static int megasas_dcmd_get_fw_time(MegasasState
*s
, MegasasCmd
*cmd
)
842 size_t dcmd_size
= sizeof(fw_time
);
844 fw_time
= cpu_to_le64(megasas_fw_time());
846 cmd
->iov_size
-= dma_buf_read((uint8_t *)&fw_time
, dcmd_size
, &cmd
->qsg
);
850 static int megasas_dcmd_set_fw_time(MegasasState
*s
, MegasasCmd
*cmd
)
854 /* This is a dummy; setting of firmware time is not allowed */
855 memcpy(&fw_time
, cmd
->frame
->dcmd
.mbox
, sizeof(fw_time
));
857 trace_megasas_dcmd_set_fw_time(cmd
->index
, fw_time
);
858 fw_time
= cpu_to_le64(megasas_fw_time());
862 static int megasas_event_info(MegasasState
*s
, MegasasCmd
*cmd
)
864 struct mfi_evt_log_state info
;
865 size_t dcmd_size
= sizeof(info
);
867 memset(&info
, 0, dcmd_size
);
869 info
.newest_seq_num
= cpu_to_le32(s
->event_count
);
870 info
.shutdown_seq_num
= cpu_to_le32(s
->shutdown_event
);
871 info
.boot_seq_num
= cpu_to_le32(s
->boot_event
);
873 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
877 static int megasas_event_wait(MegasasState
*s
, MegasasCmd
*cmd
)
881 if (cmd
->iov_size
< sizeof(struct mfi_evt_detail
)) {
882 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
883 sizeof(struct mfi_evt_detail
));
884 return MFI_STAT_INVALID_PARAMETER
;
886 s
->event_count
= cpu_to_le32(cmd
->frame
->dcmd
.mbox
[0]);
887 event
.word
= cpu_to_le32(cmd
->frame
->dcmd
.mbox
[4]);
888 s
->event_locale
= event
.members
.locale
;
889 s
->event_class
= event
.members
.class;
891 /* Decrease busy count; event frame doesn't count here */
893 cmd
->iov_size
= sizeof(struct mfi_evt_detail
);
894 return MFI_STAT_INVALID_STATUS
;
897 static int megasas_dcmd_pd_get_list(MegasasState
*s
, MegasasCmd
*cmd
)
899 struct mfi_pd_list info
;
900 size_t dcmd_size
= sizeof(info
);
902 uint32_t offset
, dcmd_limit
, num_pd_disks
= 0, max_pd_disks
;
905 memset(&info
, 0, dcmd_size
);
907 dcmd_limit
= offset
+ sizeof(struct mfi_pd_address
);
908 if (cmd
->iov_size
< dcmd_limit
) {
909 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
911 return MFI_STAT_INVALID_PARAMETER
;
914 max_pd_disks
= (cmd
->iov_size
- offset
) / sizeof(struct mfi_pd_address
);
915 if (max_pd_disks
> s
->fw_luns
) {
916 max_pd_disks
= s
->fw_luns
;
919 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
920 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
922 sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
923 info
.addr
[num_pd_disks
].device_id
= cpu_to_le16(sdev_id
);
924 info
.addr
[num_pd_disks
].encl_device_id
= 0xFFFF;
925 info
.addr
[num_pd_disks
].encl_index
= 0;
926 info
.addr
[num_pd_disks
].slot_number
= (sdev
->id
& 0xFF);
927 info
.addr
[num_pd_disks
].scsi_dev_type
= sdev
->type
;
928 info
.addr
[num_pd_disks
].connect_port_bitmap
= 0x1;
929 info
.addr
[num_pd_disks
].sas_addr
[0] =
930 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
932 offset
+= sizeof(struct mfi_pd_address
);
934 trace_megasas_dcmd_pd_get_list(cmd
->index
, num_pd_disks
,
935 max_pd_disks
, offset
);
937 info
.size
= cpu_to_le32(offset
);
938 info
.count
= cpu_to_le32(num_pd_disks
);
940 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, offset
, &cmd
->qsg
);
944 static int megasas_dcmd_pd_list_query(MegasasState
*s
, MegasasCmd
*cmd
)
948 /* mbox0 contains flags */
949 flags
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
950 trace_megasas_dcmd_pd_list_query(cmd
->index
, flags
);
951 if (flags
== MR_PD_QUERY_TYPE_ALL
||
952 megasas_is_jbod(s
)) {
953 return megasas_dcmd_pd_get_list(s
, cmd
);
959 static int megasas_pd_get_info_submit(SCSIDevice
*sdev
, int lun
,
962 struct mfi_pd_info
*info
= cmd
->iov_buf
;
963 size_t dcmd_size
= sizeof(struct mfi_pd_info
);
964 BlockConf
*conf
= &sdev
->conf
;
966 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (lun
& 0xFF);
972 cmd
->iov_buf
= g_malloc(dcmd_size
);
973 memset(cmd
->iov_buf
, 0, dcmd_size
);
975 info
->inquiry_data
[0] = 0x7f; /* Force PQual 0x3, PType 0x1f */
976 info
->vpd_page83
[0] = 0x7f;
977 megasas_setup_inquiry(cmdbuf
, 0, sizeof(info
->inquiry_data
));
978 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cmdbuf
, cmd
);
980 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
981 "PD get info std inquiry");
982 g_free(cmd
->iov_buf
);
984 return MFI_STAT_FLASH_ALLOC_FAIL
;
986 trace_megasas_dcmd_internal_submit(cmd
->index
,
987 "PD get info std inquiry", lun
);
988 len
= scsi_req_enqueue(req
);
991 scsi_req_continue(req
);
993 return MFI_STAT_INVALID_STATUS
;
994 } else if (info
->inquiry_data
[0] != 0x7f && info
->vpd_page83
[0] == 0x7f) {
995 megasas_setup_inquiry(cmdbuf
, 0x83, sizeof(info
->vpd_page83
));
996 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cmdbuf
, cmd
);
998 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
999 "PD get info vpd inquiry");
1000 return MFI_STAT_FLASH_ALLOC_FAIL
;
1002 trace_megasas_dcmd_internal_submit(cmd
->index
,
1003 "PD get info vpd inquiry", lun
);
1004 len
= scsi_req_enqueue(req
);
1006 cmd
->iov_size
= len
;
1007 scsi_req_continue(req
);
1009 return MFI_STAT_INVALID_STATUS
;
1011 /* Finished, set FW state */
1012 if ((info
->inquiry_data
[0] >> 5) == 0) {
1013 if (megasas_is_jbod(cmd
->state
)) {
1014 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_SYSTEM
);
1016 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_ONLINE
);
1019 info
->fw_state
= cpu_to_le16(MFI_PD_STATE_OFFLINE
);
1022 info
->ref
.v
.device_id
= cpu_to_le16(sdev_id
);
1023 info
->state
.ddf
.pd_type
= cpu_to_le16(MFI_PD_DDF_TYPE_IN_VD
|
1024 MFI_PD_DDF_TYPE_INTF_SAS
);
1025 bdrv_get_geometry(conf
->bs
, &pd_size
);
1026 info
->raw_size
= cpu_to_le64(pd_size
);
1027 info
->non_coerced_size
= cpu_to_le64(pd_size
);
1028 info
->coerced_size
= cpu_to_le64(pd_size
);
1029 info
->encl_device_id
= 0xFFFF;
1030 info
->slot_number
= (sdev
->id
& 0xFF);
1031 info
->path_info
.count
= 1;
1032 info
->path_info
.sas_addr
[0] =
1033 cpu_to_le64(megasas_get_sata_addr(sdev_id
));
1034 info
->connected_port_bitmap
= 0x1;
1035 info
->device_speed
= 1;
1036 info
->link_speed
= 1;
1037 resid
= dma_buf_read(cmd
->iov_buf
, dcmd_size
, &cmd
->qsg
);
1038 g_free(cmd
->iov_buf
);
1039 cmd
->iov_size
= dcmd_size
- resid
;
1040 cmd
->iov_buf
= NULL
;
1044 static int megasas_dcmd_pd_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
1046 size_t dcmd_size
= sizeof(struct mfi_pd_info
);
1048 SCSIDevice
*sdev
= NULL
;
1049 int retval
= MFI_STAT_DEVICE_NOT_FOUND
;
1051 if (cmd
->iov_size
< dcmd_size
) {
1052 return MFI_STAT_INVALID_PARAMETER
;
1055 /* mbox0 has the ID */
1056 pd_id
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
1057 sdev
= scsi_device_find(&s
->bus
, 0, pd_id
, 0);
1058 trace_megasas_dcmd_pd_get_info(cmd
->index
, pd_id
);
1061 /* Submit inquiry */
1062 retval
= megasas_pd_get_info_submit(sdev
, pd_id
, cmd
);
1068 static int megasas_dcmd_ld_get_list(MegasasState
*s
, MegasasCmd
*cmd
)
1070 struct mfi_ld_list info
;
1071 size_t dcmd_size
= sizeof(info
), resid
;
1072 uint32_t num_ld_disks
= 0, max_ld_disks
= s
->fw_luns
;
1076 memset(&info
, 0, dcmd_size
);
1077 if (cmd
->iov_size
< dcmd_size
) {
1078 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1080 return MFI_STAT_INVALID_PARAMETER
;
1083 if (megasas_is_jbod(s
)) {
1086 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1087 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
1088 BlockConf
*conf
= &sdev
->conf
;
1090 if (num_ld_disks
>= max_ld_disks
) {
1093 /* Logical device size is in blocks */
1094 bdrv_get_geometry(conf
->bs
, &ld_size
);
1095 info
.ld_list
[num_ld_disks
].ld
.v
.target_id
= sdev
->id
;
1096 info
.ld_list
[num_ld_disks
].ld
.v
.lun_id
= sdev
->lun
;
1097 info
.ld_list
[num_ld_disks
].state
= MFI_LD_STATE_OPTIMAL
;
1098 info
.ld_list
[num_ld_disks
].size
= cpu_to_le64(ld_size
);
1101 info
.ld_count
= cpu_to_le32(num_ld_disks
);
1102 trace_megasas_dcmd_ld_get_list(cmd
->index
, num_ld_disks
, max_ld_disks
);
1104 resid
= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
1105 cmd
->iov_size
= dcmd_size
- resid
;
1109 static int megasas_ld_get_info_submit(SCSIDevice
*sdev
, int lun
,
1112 struct mfi_ld_info
*info
= cmd
->iov_buf
;
1113 size_t dcmd_size
= sizeof(struct mfi_ld_info
);
1117 BlockConf
*conf
= &sdev
->conf
;
1118 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (lun
& 0xFF);
1121 if (!cmd
->iov_buf
) {
1122 cmd
->iov_buf
= g_malloc(dcmd_size
);
1123 memset(cmd
->iov_buf
, 0x0, dcmd_size
);
1124 info
= cmd
->iov_buf
;
1125 megasas_setup_inquiry(cdb
, 0x83, sizeof(info
->vpd_page83
));
1126 req
= scsi_req_new(sdev
, cmd
->index
, lun
, cdb
, cmd
);
1128 trace_megasas_dcmd_req_alloc_failed(cmd
->index
,
1129 "LD get info vpd inquiry");
1130 g_free(cmd
->iov_buf
);
1131 cmd
->iov_buf
= NULL
;
1132 return MFI_STAT_FLASH_ALLOC_FAIL
;
1134 trace_megasas_dcmd_internal_submit(cmd
->index
,
1135 "LD get info vpd inquiry", lun
);
1136 len
= scsi_req_enqueue(req
);
1138 cmd
->iov_size
= len
;
1139 scsi_req_continue(req
);
1141 return MFI_STAT_INVALID_STATUS
;
1144 info
->ld_config
.params
.state
= MFI_LD_STATE_OPTIMAL
;
1145 info
->ld_config
.properties
.ld
.v
.target_id
= lun
;
1146 info
->ld_config
.params
.stripe_size
= 3;
1147 info
->ld_config
.params
.num_drives
= 1;
1148 info
->ld_config
.params
.is_consistent
= 1;
1149 /* Logical device size is in blocks */
1150 bdrv_get_geometry(conf
->bs
, &ld_size
);
1151 info
->size
= cpu_to_le64(ld_size
);
1152 memset(info
->ld_config
.span
, 0, sizeof(info
->ld_config
.span
));
1153 info
->ld_config
.span
[0].start_block
= 0;
1154 info
->ld_config
.span
[0].num_blocks
= info
->size
;
1155 info
->ld_config
.span
[0].array_ref
= cpu_to_le16(sdev_id
);
1157 resid
= dma_buf_read(cmd
->iov_buf
, dcmd_size
, &cmd
->qsg
);
1158 g_free(cmd
->iov_buf
);
1159 cmd
->iov_size
= dcmd_size
- resid
;
1160 cmd
->iov_buf
= NULL
;
1164 static int megasas_dcmd_ld_get_info(MegasasState
*s
, MegasasCmd
*cmd
)
1166 struct mfi_ld_info info
;
1167 size_t dcmd_size
= sizeof(info
);
1169 uint32_t max_ld_disks
= s
->fw_luns
;
1170 SCSIDevice
*sdev
= NULL
;
1171 int retval
= MFI_STAT_DEVICE_NOT_FOUND
;
1173 if (cmd
->iov_size
< dcmd_size
) {
1174 return MFI_STAT_INVALID_PARAMETER
;
1177 /* mbox0 has the ID */
1178 ld_id
= le16_to_cpu(cmd
->frame
->dcmd
.mbox
[0]);
1179 trace_megasas_dcmd_ld_get_info(cmd
->index
, ld_id
);
1181 if (megasas_is_jbod(s
)) {
1182 return MFI_STAT_DEVICE_NOT_FOUND
;
1185 if (ld_id
< max_ld_disks
) {
1186 sdev
= scsi_device_find(&s
->bus
, 0, ld_id
, 0);
1190 retval
= megasas_ld_get_info_submit(sdev
, ld_id
, cmd
);
1196 static int megasas_dcmd_cfg_read(MegasasState
*s
, MegasasCmd
*cmd
)
1199 struct mfi_config_data
*info
;
1200 int num_pd_disks
= 0, array_offset
, ld_offset
;
1203 if (cmd
->iov_size
> 4096) {
1204 return MFI_STAT_INVALID_PARAMETER
;
1207 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1210 info
= (struct mfi_config_data
*)&data
;
1213 * - One array per SCSI device
1214 * - One logical drive per SCSI device
1215 * spanning the entire device
1217 info
->array_count
= num_pd_disks
;
1218 info
->array_size
= sizeof(struct mfi_array
) * num_pd_disks
;
1219 info
->log_drv_count
= num_pd_disks
;
1220 info
->log_drv_size
= sizeof(struct mfi_ld_config
) * num_pd_disks
;
1221 info
->spares_count
= 0;
1222 info
->spares_size
= sizeof(struct mfi_spare
);
1223 info
->size
= sizeof(struct mfi_config_data
) + info
->array_size
+
1225 if (info
->size
> 4096) {
1226 return MFI_STAT_INVALID_PARAMETER
;
1229 array_offset
= sizeof(struct mfi_config_data
);
1230 ld_offset
= array_offset
+ sizeof(struct mfi_array
) * num_pd_disks
;
1232 QTAILQ_FOREACH(kid
, &s
->bus
.qbus
.children
, sibling
) {
1233 SCSIDevice
*sdev
= DO_UPCAST(SCSIDevice
, qdev
, kid
->child
);
1234 BlockConf
*conf
= &sdev
->conf
;
1235 uint16_t sdev_id
= ((sdev
->id
& 0xFF) >> 8) | (sdev
->lun
& 0xFF);
1236 struct mfi_array
*array
;
1237 struct mfi_ld_config
*ld
;
1241 array
= (struct mfi_array
*)(data
+ array_offset
);
1242 bdrv_get_geometry(conf
->bs
, &pd_size
);
1243 array
->size
= cpu_to_le64(pd_size
);
1244 array
->num_drives
= 1;
1245 array
->array_ref
= cpu_to_le16(sdev_id
);
1246 array
->pd
[0].ref
.v
.device_id
= cpu_to_le16(sdev_id
);
1247 array
->pd
[0].ref
.v
.seq_num
= 0;
1248 array
->pd
[0].fw_state
= MFI_PD_STATE_ONLINE
;
1249 array
->pd
[0].encl
.pd
= 0xFF;
1250 array
->pd
[0].encl
.slot
= (sdev
->id
& 0xFF);
1251 for (i
= 1; i
< MFI_MAX_ROW_SIZE
; i
++) {
1252 array
->pd
[i
].ref
.v
.device_id
= 0xFFFF;
1253 array
->pd
[i
].ref
.v
.seq_num
= 0;
1254 array
->pd
[i
].fw_state
= MFI_PD_STATE_UNCONFIGURED_GOOD
;
1255 array
->pd
[i
].encl
.pd
= 0xFF;
1256 array
->pd
[i
].encl
.slot
= 0xFF;
1258 array_offset
+= sizeof(struct mfi_array
);
1259 ld
= (struct mfi_ld_config
*)(data
+ ld_offset
);
1260 memset(ld
, 0, sizeof(struct mfi_ld_config
));
1261 ld
->properties
.ld
.v
.target_id
= (sdev
->id
& 0xFF);
1262 ld
->properties
.default_cache_policy
= MR_LD_CACHE_READ_AHEAD
|
1263 MR_LD_CACHE_READ_ADAPTIVE
;
1264 ld
->properties
.current_cache_policy
= MR_LD_CACHE_READ_AHEAD
|
1265 MR_LD_CACHE_READ_ADAPTIVE
;
1266 ld
->params
.state
= MFI_LD_STATE_OPTIMAL
;
1267 ld
->params
.stripe_size
= 3;
1268 ld
->params
.num_drives
= 1;
1269 ld
->params
.span_depth
= 1;
1270 ld
->params
.is_consistent
= 1;
1271 ld
->span
[0].start_block
= 0;
1272 ld
->span
[0].num_blocks
= cpu_to_le64(pd_size
);
1273 ld
->span
[0].array_ref
= cpu_to_le16(sdev_id
);
1274 ld_offset
+= sizeof(struct mfi_ld_config
);
1277 cmd
->iov_size
-= dma_buf_read((uint8_t *)data
, info
->size
, &cmd
->qsg
);
1281 static int megasas_dcmd_get_properties(MegasasState
*s
, MegasasCmd
*cmd
)
1283 struct mfi_ctrl_props info
;
1284 size_t dcmd_size
= sizeof(info
);
1286 memset(&info
, 0x0, dcmd_size
);
1287 if (cmd
->iov_size
< dcmd_size
) {
1288 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1290 return MFI_STAT_INVALID_PARAMETER
;
1292 info
.pred_fail_poll_interval
= cpu_to_le16(300);
1293 info
.intr_throttle_cnt
= cpu_to_le16(16);
1294 info
.intr_throttle_timeout
= cpu_to_le16(50);
1295 info
.rebuild_rate
= 30;
1296 info
.patrol_read_rate
= 30;
1299 info
.recon_rate
= 30;
1300 info
.cache_flush_interval
= 4;
1301 info
.spinup_drv_cnt
= 2;
1302 info
.spinup_delay
= 6;
1303 info
.ecc_bucket_size
= 15;
1304 info
.ecc_bucket_leak_rate
= cpu_to_le16(1440);
1305 info
.expose_encl_devices
= 1;
1307 cmd
->iov_size
-= dma_buf_read((uint8_t *)&info
, dcmd_size
, &cmd
->qsg
);
1311 static int megasas_cache_flush(MegasasState
*s
, MegasasCmd
*cmd
)
1317 static int megasas_ctrl_shutdown(MegasasState
*s
, MegasasCmd
*cmd
)
1319 s
->fw_state
= MFI_FWSTATE_READY
;
1323 static int megasas_cluster_reset_ld(MegasasState
*s
, MegasasCmd
*cmd
)
1325 return MFI_STAT_INVALID_DCMD
;
1328 static int megasas_dcmd_set_properties(MegasasState
*s
, MegasasCmd
*cmd
)
1330 struct mfi_ctrl_props info
;
1331 size_t dcmd_size
= sizeof(info
);
1333 if (cmd
->iov_size
< dcmd_size
) {
1334 trace_megasas_dcmd_invalid_xfer_len(cmd
->index
, cmd
->iov_size
,
1336 return MFI_STAT_INVALID_PARAMETER
;
1338 dma_buf_write((uint8_t *)&info
, cmd
->iov_size
, &cmd
->qsg
);
1339 trace_megasas_dcmd_unsupported(cmd
->index
, cmd
->iov_size
);
1343 static int megasas_dcmd_dummy(MegasasState
*s
, MegasasCmd
*cmd
)
1345 trace_megasas_dcmd_dummy(cmd
->index
, cmd
->iov_size
);
1349 static const struct dcmd_cmd_tbl_t
{
1352 int (*func
)(MegasasState
*s
, MegasasCmd
*cmd
);
1353 } dcmd_cmd_tbl
[] = {
1354 { MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC
, "CTRL_HOST_MEM_ALLOC",
1355 megasas_dcmd_dummy
},
1356 { MFI_DCMD_CTRL_GET_INFO
, "CTRL_GET_INFO",
1357 megasas_ctrl_get_info
},
1358 { MFI_DCMD_CTRL_GET_PROPERTIES
, "CTRL_GET_PROPERTIES",
1359 megasas_dcmd_get_properties
},
1360 { MFI_DCMD_CTRL_SET_PROPERTIES
, "CTRL_SET_PROPERTIES",
1361 megasas_dcmd_set_properties
},
1362 { MFI_DCMD_CTRL_ALARM_GET
, "CTRL_ALARM_GET",
1363 megasas_dcmd_dummy
},
1364 { MFI_DCMD_CTRL_ALARM_ENABLE
, "CTRL_ALARM_ENABLE",
1365 megasas_dcmd_dummy
},
1366 { MFI_DCMD_CTRL_ALARM_DISABLE
, "CTRL_ALARM_DISABLE",
1367 megasas_dcmd_dummy
},
1368 { MFI_DCMD_CTRL_ALARM_SILENCE
, "CTRL_ALARM_SILENCE",
1369 megasas_dcmd_dummy
},
1370 { MFI_DCMD_CTRL_ALARM_TEST
, "CTRL_ALARM_TEST",
1371 megasas_dcmd_dummy
},
1372 { MFI_DCMD_CTRL_EVENT_GETINFO
, "CTRL_EVENT_GETINFO",
1373 megasas_event_info
},
1374 { MFI_DCMD_CTRL_EVENT_GET
, "CTRL_EVENT_GET",
1375 megasas_dcmd_dummy
},
1376 { MFI_DCMD_CTRL_EVENT_WAIT
, "CTRL_EVENT_WAIT",
1377 megasas_event_wait
},
1378 { MFI_DCMD_CTRL_SHUTDOWN
, "CTRL_SHUTDOWN",
1379 megasas_ctrl_shutdown
},
1380 { MFI_DCMD_HIBERNATE_STANDBY
, "CTRL_STANDBY",
1381 megasas_dcmd_dummy
},
1382 { MFI_DCMD_CTRL_GET_TIME
, "CTRL_GET_TIME",
1383 megasas_dcmd_get_fw_time
},
1384 { MFI_DCMD_CTRL_SET_TIME
, "CTRL_SET_TIME",
1385 megasas_dcmd_set_fw_time
},
1386 { MFI_DCMD_CTRL_BIOS_DATA_GET
, "CTRL_BIOS_DATA_GET",
1387 megasas_dcmd_get_bios_info
},
1388 { MFI_DCMD_CTRL_FACTORY_DEFAULTS
, "CTRL_FACTORY_DEFAULTS",
1389 megasas_dcmd_dummy
},
1390 { MFI_DCMD_CTRL_MFC_DEFAULTS_GET
, "CTRL_MFC_DEFAULTS_GET",
1391 megasas_mfc_get_defaults
},
1392 { MFI_DCMD_CTRL_MFC_DEFAULTS_SET
, "CTRL_MFC_DEFAULTS_SET",
1393 megasas_dcmd_dummy
},
1394 { MFI_DCMD_CTRL_CACHE_FLUSH
, "CTRL_CACHE_FLUSH",
1395 megasas_cache_flush
},
1396 { MFI_DCMD_PD_GET_LIST
, "PD_GET_LIST",
1397 megasas_dcmd_pd_get_list
},
1398 { MFI_DCMD_PD_LIST_QUERY
, "PD_LIST_QUERY",
1399 megasas_dcmd_pd_list_query
},
1400 { MFI_DCMD_PD_GET_INFO
, "PD_GET_INFO",
1401 megasas_dcmd_pd_get_info
},
1402 { MFI_DCMD_PD_STATE_SET
, "PD_STATE_SET",
1403 megasas_dcmd_dummy
},
1404 { MFI_DCMD_PD_REBUILD
, "PD_REBUILD",
1405 megasas_dcmd_dummy
},
1406 { MFI_DCMD_PD_BLINK
, "PD_BLINK",
1407 megasas_dcmd_dummy
},
1408 { MFI_DCMD_PD_UNBLINK
, "PD_UNBLINK",
1409 megasas_dcmd_dummy
},
1410 { MFI_DCMD_LD_GET_LIST
, "LD_GET_LIST",
1411 megasas_dcmd_ld_get_list
},
1412 { MFI_DCMD_LD_GET_INFO
, "LD_GET_INFO",
1413 megasas_dcmd_ld_get_info
},
1414 { MFI_DCMD_LD_GET_PROP
, "LD_GET_PROP",
1415 megasas_dcmd_dummy
},
1416 { MFI_DCMD_LD_SET_PROP
, "LD_SET_PROP",
1417 megasas_dcmd_dummy
},
1418 { MFI_DCMD_LD_DELETE
, "LD_DELETE",
1419 megasas_dcmd_dummy
},
1420 { MFI_DCMD_CFG_READ
, "CFG_READ",
1421 megasas_dcmd_cfg_read
},
1422 { MFI_DCMD_CFG_ADD
, "CFG_ADD",
1423 megasas_dcmd_dummy
},
1424 { MFI_DCMD_CFG_CLEAR
, "CFG_CLEAR",
1425 megasas_dcmd_dummy
},
1426 { MFI_DCMD_CFG_FOREIGN_READ
, "CFG_FOREIGN_READ",
1427 megasas_dcmd_dummy
},
1428 { MFI_DCMD_CFG_FOREIGN_IMPORT
, "CFG_FOREIGN_IMPORT",
1429 megasas_dcmd_dummy
},
1430 { MFI_DCMD_BBU_STATUS
, "BBU_STATUS",
1431 megasas_dcmd_dummy
},
1432 { MFI_DCMD_BBU_CAPACITY_INFO
, "BBU_CAPACITY_INFO",
1433 megasas_dcmd_dummy
},
1434 { MFI_DCMD_BBU_DESIGN_INFO
, "BBU_DESIGN_INFO",
1435 megasas_dcmd_dummy
},
1436 { MFI_DCMD_BBU_PROP_GET
, "BBU_PROP_GET",
1437 megasas_dcmd_dummy
},
1438 { MFI_DCMD_CLUSTER
, "CLUSTER",
1439 megasas_dcmd_dummy
},
1440 { MFI_DCMD_CLUSTER_RESET_ALL
, "CLUSTER_RESET_ALL",
1441 megasas_dcmd_dummy
},
1442 { MFI_DCMD_CLUSTER_RESET_LD
, "CLUSTER_RESET_LD",
1443 megasas_cluster_reset_ld
},
1447 static int megasas_handle_dcmd(MegasasState
*s
, MegasasCmd
*cmd
)
1451 const struct dcmd_cmd_tbl_t
*cmdptr
= dcmd_cmd_tbl
;
1453 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1454 trace_megasas_handle_dcmd(cmd
->index
, opcode
);
1455 len
= megasas_map_dcmd(s
, cmd
);
1457 return MFI_STAT_MEMORY_NOT_AVAILABLE
;
1459 while (cmdptr
->opcode
!= -1 && cmdptr
->opcode
!= opcode
) {
1462 if (cmdptr
->opcode
== -1) {
1463 trace_megasas_dcmd_unhandled(cmd
->index
, opcode
, len
);
1464 retval
= megasas_dcmd_dummy(s
, cmd
);
1466 trace_megasas_dcmd_enter(cmd
->index
, cmdptr
->desc
, len
);
1467 retval
= cmdptr
->func(s
, cmd
);
1469 if (retval
!= MFI_STAT_INVALID_STATUS
) {
1470 megasas_finish_dcmd(cmd
, len
);
1475 static int megasas_finish_internal_dcmd(MegasasCmd
*cmd
,
1479 int retval
= MFI_STAT_OK
;
1482 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1483 scsi_req_unref(req
);
1484 trace_megasas_dcmd_internal_finish(cmd
->index
, opcode
, lun
);
1486 case MFI_DCMD_PD_GET_INFO
:
1487 retval
= megasas_pd_get_info_submit(req
->dev
, lun
, cmd
);
1489 case MFI_DCMD_LD_GET_INFO
:
1490 retval
= megasas_ld_get_info_submit(req
->dev
, lun
, cmd
);
1493 trace_megasas_dcmd_internal_invalid(cmd
->index
, opcode
);
1494 retval
= MFI_STAT_INVALID_DCMD
;
1497 if (retval
!= MFI_STAT_INVALID_STATUS
) {
1498 megasas_finish_dcmd(cmd
, cmd
->iov_size
);
1503 static int megasas_enqueue_req(MegasasCmd
*cmd
, bool is_write
)
1507 len
= scsi_req_enqueue(cmd
->req
);
1512 if (len
> cmd
->iov_size
) {
1514 trace_megasas_iov_write_overflow(cmd
->index
, len
,
1517 trace_megasas_iov_read_overflow(cmd
->index
, len
,
1521 if (len
< cmd
->iov_size
) {
1523 trace_megasas_iov_write_underflow(cmd
->index
, len
,
1526 trace_megasas_iov_read_underflow(cmd
->index
, len
,
1529 cmd
->iov_size
= len
;
1531 scsi_req_continue(cmd
->req
);
1536 static int megasas_handle_scsi(MegasasState
*s
, MegasasCmd
*cmd
,
1542 struct SCSIDevice
*sdev
= NULL
;
1544 cdb
= cmd
->frame
->pass
.cdb
;
1546 if (cmd
->frame
->header
.target_id
< s
->fw_luns
) {
1547 sdev
= scsi_device_find(&s
->bus
, 0, cmd
->frame
->header
.target_id
,
1548 cmd
->frame
->header
.lun_id
);
1550 cmd
->iov_size
= le32_to_cpu(cmd
->frame
->header
.data_len
);
1551 trace_megasas_handle_scsi(mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1552 is_logical
, cmd
->frame
->header
.target_id
,
1553 cmd
->frame
->header
.lun_id
, sdev
, cmd
->iov_size
);
1555 if (!sdev
|| (megasas_is_jbod(s
) && is_logical
)) {
1556 trace_megasas_scsi_target_not_present(
1557 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], is_logical
,
1558 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1559 return MFI_STAT_DEVICE_NOT_FOUND
;
1562 if (cmd
->frame
->header
.cdb_len
> 16) {
1563 trace_megasas_scsi_invalid_cdb_len(
1564 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], is_logical
,
1565 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
,
1566 cmd
->frame
->header
.cdb_len
);
1567 megasas_write_sense(cmd
, SENSE_CODE(INVALID_OPCODE
));
1568 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1570 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1573 if (megasas_map_sgl(s
, cmd
, &cmd
->frame
->pass
.sgl
)) {
1574 megasas_write_sense(cmd
, SENSE_CODE(TARGET_FAILURE
));
1575 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1577 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1580 cmd
->req
= scsi_req_new(sdev
, cmd
->index
,
1581 cmd
->frame
->header
.lun_id
, cdb
, cmd
);
1583 trace_megasas_scsi_req_alloc_failed(
1584 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1585 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1586 megasas_write_sense(cmd
, SENSE_CODE(NO_SENSE
));
1587 cmd
->frame
->header
.scsi_status
= BUSY
;
1589 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1592 is_write
= (cmd
->req
->cmd
.mode
== SCSI_XFER_TO_DEV
);
1593 len
= megasas_enqueue_req(cmd
, is_write
);
1596 trace_megasas_scsi_write_start(cmd
->index
, len
);
1598 trace_megasas_scsi_read_start(cmd
->index
, len
);
1601 trace_megasas_scsi_nodata(cmd
->index
);
1603 return MFI_STAT_INVALID_STATUS
;
1606 static int megasas_handle_io(MegasasState
*s
, MegasasCmd
*cmd
)
1608 uint32_t lba_count
, lba_start_hi
, lba_start_lo
;
1610 bool is_write
= (cmd
->frame
->header
.frame_cmd
== MFI_CMD_LD_WRITE
);
1613 struct SCSIDevice
*sdev
= NULL
;
1615 lba_count
= le32_to_cpu(cmd
->frame
->io
.header
.data_len
);
1616 lba_start_lo
= le32_to_cpu(cmd
->frame
->io
.lba_lo
);
1617 lba_start_hi
= le32_to_cpu(cmd
->frame
->io
.lba_hi
);
1618 lba_start
= ((uint64_t)lba_start_hi
<< 32) | lba_start_lo
;
1620 if (cmd
->frame
->header
.target_id
< s
->fw_luns
) {
1621 sdev
= scsi_device_find(&s
->bus
, 0, cmd
->frame
->header
.target_id
,
1622 cmd
->frame
->header
.lun_id
);
1625 trace_megasas_handle_io(cmd
->index
,
1626 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1627 cmd
->frame
->header
.target_id
,
1628 cmd
->frame
->header
.lun_id
,
1629 (unsigned long)lba_start
, (unsigned long)lba_count
);
1631 trace_megasas_io_target_not_present(cmd
->index
,
1632 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1633 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1634 return MFI_STAT_DEVICE_NOT_FOUND
;
1637 if (cmd
->frame
->header
.cdb_len
> 16) {
1638 trace_megasas_scsi_invalid_cdb_len(
1639 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
], 1,
1640 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
,
1641 cmd
->frame
->header
.cdb_len
);
1642 megasas_write_sense(cmd
, SENSE_CODE(INVALID_OPCODE
));
1643 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1645 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1648 cmd
->iov_size
= lba_count
* sdev
->blocksize
;
1649 if (megasas_map_sgl(s
, cmd
, &cmd
->frame
->io
.sgl
)) {
1650 megasas_write_sense(cmd
, SENSE_CODE(TARGET_FAILURE
));
1651 cmd
->frame
->header
.scsi_status
= CHECK_CONDITION
;
1653 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1656 megasas_encode_lba(cdb
, lba_start
, lba_count
, is_write
);
1657 cmd
->req
= scsi_req_new(sdev
, cmd
->index
,
1658 cmd
->frame
->header
.lun_id
, cdb
, cmd
);
1660 trace_megasas_scsi_req_alloc_failed(
1661 mfi_frame_desc
[cmd
->frame
->header
.frame_cmd
],
1662 cmd
->frame
->header
.target_id
, cmd
->frame
->header
.lun_id
);
1663 megasas_write_sense(cmd
, SENSE_CODE(NO_SENSE
));
1664 cmd
->frame
->header
.scsi_status
= BUSY
;
1666 return MFI_STAT_SCSI_DONE_WITH_ERROR
;
1668 len
= megasas_enqueue_req(cmd
, is_write
);
1671 trace_megasas_io_write_start(cmd
->index
, lba_start
, lba_count
, len
);
1673 trace_megasas_io_read_start(cmd
->index
, lba_start
, lba_count
, len
);
1676 return MFI_STAT_INVALID_STATUS
;
1679 static int megasas_finish_internal_command(MegasasCmd
*cmd
,
1680 SCSIRequest
*req
, size_t resid
)
1682 int retval
= MFI_STAT_INVALID_CMD
;
1684 if (cmd
->frame
->header
.frame_cmd
== MFI_CMD_DCMD
) {
1685 cmd
->iov_size
-= resid
;
1686 retval
= megasas_finish_internal_dcmd(cmd
, req
);
1691 static QEMUSGList
*megasas_get_sg_list(SCSIRequest
*req
)
1693 MegasasCmd
*cmd
= req
->hba_private
;
1695 if (cmd
->frame
->header
.frame_cmd
== MFI_CMD_DCMD
) {
1702 static void megasas_xfer_complete(SCSIRequest
*req
, uint32_t len
)
1704 MegasasCmd
*cmd
= req
->hba_private
;
1708 trace_megasas_io_complete(cmd
->index
, len
);
1710 if (cmd
->frame
->header
.frame_cmd
!= MFI_CMD_DCMD
) {
1711 scsi_req_continue(req
);
1715 buf
= scsi_req_get_buf(req
);
1716 opcode
= le32_to_cpu(cmd
->frame
->dcmd
.opcode
);
1717 if (opcode
== MFI_DCMD_PD_GET_INFO
&& cmd
->iov_buf
) {
1718 struct mfi_pd_info
*info
= cmd
->iov_buf
;
1720 if (info
->inquiry_data
[0] == 0x7f) {
1721 memset(info
->inquiry_data
, 0, sizeof(info
->inquiry_data
));
1722 memcpy(info
->inquiry_data
, buf
, len
);
1723 } else if (info
->vpd_page83
[0] == 0x7f) {
1724 memset(info
->vpd_page83
, 0, sizeof(info
->vpd_page83
));
1725 memcpy(info
->vpd_page83
, buf
, len
);
1727 scsi_req_continue(req
);
1728 } else if (opcode
== MFI_DCMD_LD_GET_INFO
) {
1729 struct mfi_ld_info
*info
= cmd
->iov_buf
;
1732 memcpy(info
->vpd_page83
, buf
, sizeof(info
->vpd_page83
));
1733 scsi_req_continue(req
);
1738 static void megasas_command_complete(SCSIRequest
*req
, uint32_t status
,
1741 MegasasCmd
*cmd
= req
->hba_private
;
1742 uint8_t cmd_status
= MFI_STAT_OK
;
1744 trace_megasas_command_complete(cmd
->index
, status
, resid
);
1746 if (cmd
->req
!= req
) {
1748 * Internal command complete
1750 cmd_status
= megasas_finish_internal_command(cmd
, req
, resid
);
1751 if (cmd_status
== MFI_STAT_INVALID_STATUS
) {
1755 req
->status
= status
;
1756 trace_megasas_scsi_complete(cmd
->index
, req
->status
,
1757 cmd
->iov_size
, req
->cmd
.xfer
);
1758 if (req
->status
!= GOOD
) {
1759 cmd_status
= MFI_STAT_SCSI_DONE_WITH_ERROR
;
1761 if (req
->status
== CHECK_CONDITION
) {
1762 megasas_copy_sense(cmd
);
1765 megasas_unmap_sgl(cmd
);
1766 cmd
->frame
->header
.scsi_status
= req
->status
;
1767 scsi_req_unref(cmd
->req
);
1770 cmd
->frame
->header
.cmd_status
= cmd_status
;
1771 megasas_complete_frame(cmd
->state
, cmd
->context
);
1774 static void megasas_command_cancel(SCSIRequest
*req
)
1776 MegasasCmd
*cmd
= req
->hba_private
;
1779 megasas_abort_command(cmd
);
1781 scsi_req_unref(req
);
1785 static int megasas_handle_abort(MegasasState
*s
, MegasasCmd
*cmd
)
1787 uint64_t abort_ctx
= le64_to_cpu(cmd
->frame
->abort
.abort_context
);
1788 hwaddr abort_addr
, addr_hi
, addr_lo
;
1789 MegasasCmd
*abort_cmd
;
1791 addr_hi
= le32_to_cpu(cmd
->frame
->abort
.abort_mfi_addr_hi
);
1792 addr_lo
= le32_to_cpu(cmd
->frame
->abort
.abort_mfi_addr_lo
);
1793 abort_addr
= ((uint64_t)addr_hi
<< 32) | addr_lo
;
1795 abort_cmd
= megasas_lookup_frame(s
, abort_addr
);
1797 trace_megasas_abort_no_cmd(cmd
->index
, abort_ctx
);
1801 if (!megasas_use_queue64(s
)) {
1802 abort_ctx
&= (uint64_t)0xFFFFFFFF;
1804 if (abort_cmd
->context
!= abort_ctx
) {
1805 trace_megasas_abort_invalid_context(cmd
->index
, abort_cmd
->index
,
1806 abort_cmd
->context
);
1808 return MFI_STAT_ABORT_NOT_POSSIBLE
;
1810 trace_megasas_abort_frame(cmd
->index
, abort_cmd
->index
);
1811 megasas_abort_command(abort_cmd
);
1812 if (!s
->event_cmd
|| abort_cmd
!= s
->event_cmd
) {
1813 s
->event_cmd
= NULL
;
1819 static void megasas_handle_frame(MegasasState
*s
, uint64_t frame_addr
,
1820 uint32_t frame_count
)
1822 uint8_t frame_status
= MFI_STAT_INVALID_CMD
;
1823 uint64_t frame_context
;
1827 * Always read 64bit context, top bits will be
1828 * masked out if required in megasas_enqueue_frame()
1830 frame_context
= megasas_frame_get_context(frame_addr
);
1832 cmd
= megasas_enqueue_frame(s
, frame_addr
, frame_context
, frame_count
);
1834 /* reply queue full */
1835 trace_megasas_frame_busy(frame_addr
);
1836 megasas_frame_set_scsi_status(frame_addr
, BUSY
);
1837 megasas_frame_set_cmd_status(frame_addr
, MFI_STAT_SCSI_DONE_WITH_ERROR
);
1838 megasas_complete_frame(s
, frame_context
);
1842 switch (cmd
->frame
->header
.frame_cmd
) {
1844 frame_status
= megasas_init_firmware(s
, cmd
);
1847 frame_status
= megasas_handle_dcmd(s
, cmd
);
1850 frame_status
= megasas_handle_abort(s
, cmd
);
1852 case MFI_CMD_PD_SCSI_IO
:
1853 frame_status
= megasas_handle_scsi(s
, cmd
, 0);
1855 case MFI_CMD_LD_SCSI_IO
:
1856 frame_status
= megasas_handle_scsi(s
, cmd
, 1);
1858 case MFI_CMD_LD_READ
:
1859 case MFI_CMD_LD_WRITE
:
1860 frame_status
= megasas_handle_io(s
, cmd
);
1863 trace_megasas_unhandled_frame_cmd(cmd
->index
,
1864 cmd
->frame
->header
.frame_cmd
);
1868 if (frame_status
!= MFI_STAT_INVALID_STATUS
) {
1870 cmd
->frame
->header
.cmd_status
= frame_status
;
1872 megasas_frame_set_cmd_status(frame_addr
, frame_status
);
1874 megasas_complete_frame(s
, cmd
->context
);
1878 static uint64_t megasas_mmio_read(void *opaque
, hwaddr addr
,
1881 MegasasState
*s
= opaque
;
1882 uint32_t retval
= 0;
1890 retval
= (megasas_use_msix(s
) ? MFI_FWSTATE_MSIX_SUPPORTED
: 0) |
1891 (s
->fw_state
& MFI_FWSTATE_MASK
) |
1892 ((s
->fw_sge
& 0xff) << 16) |
1893 (s
->fw_cmds
& 0xFFFF);
1896 if (megasas_intr_enabled(s
) && s
->doorbell
) {
1897 retval
= MFI_1078_RM
| 1;
1901 retval
= s
->intr_mask
;
1904 retval
= s
->doorbell
;
1907 trace_megasas_mmio_invalid_readl(addr
);
1910 trace_megasas_mmio_readl(addr
, retval
);
1914 static void megasas_mmio_write(void *opaque
, hwaddr addr
,
1915 uint64_t val
, unsigned size
)
1917 MegasasState
*s
= opaque
;
1918 PCIDevice
*pci_dev
= PCI_DEVICE(s
);
1919 uint64_t frame_addr
;
1920 uint32_t frame_count
;
1923 trace_megasas_mmio_writel(addr
, val
);
1926 if (val
& MFI_FWINIT_ABORT
) {
1927 /* Abort all pending cmds */
1928 for (i
= 0; i
< s
->fw_cmds
; i
++) {
1929 megasas_abort_command(&s
->frames
[i
]);
1932 if (val
& MFI_FWINIT_READY
) {
1933 /* move to FW READY */
1934 megasas_soft_reset(s
);
1936 if (val
& MFI_FWINIT_MFIMODE
) {
1942 if (!megasas_intr_enabled(s
) && !msix_enabled(pci_dev
)) {
1943 trace_megasas_irq_lower();
1944 pci_irq_deassert(pci_dev
);
1946 if (megasas_intr_enabled(s
)) {
1947 trace_megasas_intr_enabled();
1949 trace_megasas_intr_disabled();
1954 if (s
->producer_pa
&& megasas_intr_enabled(s
)) {
1955 /* Update reply queue pointer */
1956 trace_megasas_qf_update(s
->reply_queue_head
, s
->busy
);
1957 stl_le_phys(&address_space_memory
,
1958 s
->producer_pa
, s
->reply_queue_head
);
1959 if (!msix_enabled(pci_dev
)) {
1960 trace_megasas_irq_lower();
1961 pci_irq_deassert(pci_dev
);
1966 /* Received high 32 bits of a 64 bit MFI frame address */
1970 /* Received low 32 bits of a 64 bit MFI frame address */
1972 /* Received 32 bit MFI frame address */
1973 frame_addr
= (val
& ~0x1F);
1974 /* Add possible 64 bit offset */
1975 frame_addr
|= ((uint64_t)s
->frame_hi
<< 32);
1977 frame_count
= (val
>> 1) & 0xF;
1978 megasas_handle_frame(s
, frame_addr
, frame_count
);
1981 trace_megasas_mmio_invalid_writel(addr
, val
);
1986 static const MemoryRegionOps megasas_mmio_ops
= {
1987 .read
= megasas_mmio_read
,
1988 .write
= megasas_mmio_write
,
1989 .endianness
= DEVICE_LITTLE_ENDIAN
,
1991 .min_access_size
= 8,
1992 .max_access_size
= 8,
1996 static uint64_t megasas_port_read(void *opaque
, hwaddr addr
,
1999 return megasas_mmio_read(opaque
, addr
& 0xff, size
);
2002 static void megasas_port_write(void *opaque
, hwaddr addr
,
2003 uint64_t val
, unsigned size
)
2005 megasas_mmio_write(opaque
, addr
& 0xff, val
, size
);
2008 static const MemoryRegionOps megasas_port_ops
= {
2009 .read
= megasas_port_read
,
2010 .write
= megasas_port_write
,
2011 .endianness
= DEVICE_LITTLE_ENDIAN
,
2013 .min_access_size
= 4,
2014 .max_access_size
= 4,
2018 static uint64_t megasas_queue_read(void *opaque
, hwaddr addr
,
2024 static const MemoryRegionOps megasas_queue_ops
= {
2025 .read
= megasas_queue_read
,
2026 .endianness
= DEVICE_LITTLE_ENDIAN
,
2028 .min_access_size
= 8,
2029 .max_access_size
= 8,
2033 static void megasas_soft_reset(MegasasState
*s
)
2038 trace_megasas_reset();
2039 for (i
= 0; i
< s
->fw_cmds
; i
++) {
2040 cmd
= &s
->frames
[i
];
2041 megasas_abort_command(cmd
);
2043 megasas_reset_frames(s
);
2044 s
->reply_queue_len
= s
->fw_cmds
;
2045 s
->reply_queue_pa
= 0;
2048 s
->fw_state
= MFI_FWSTATE_READY
;
2050 s
->intr_mask
= MEGASAS_INTR_DISABLED_MASK
;
2052 s
->flags
&= ~MEGASAS_MASK_USE_QUEUE64
;
2054 s
->boot_event
= s
->event_count
;
2057 static void megasas_scsi_reset(DeviceState
*dev
)
2059 MegasasState
*s
= MEGASAS(dev
);
2061 megasas_soft_reset(s
);
2064 static const VMStateDescription vmstate_megasas
= {
2067 .minimum_version_id
= 0,
2068 .minimum_version_id_old
= 0,
2069 .fields
= (VMStateField
[]) {
2070 VMSTATE_PCI_DEVICE(parent_obj
, MegasasState
),
2072 VMSTATE_INT32(fw_state
, MegasasState
),
2073 VMSTATE_INT32(intr_mask
, MegasasState
),
2074 VMSTATE_INT32(doorbell
, MegasasState
),
2075 VMSTATE_UINT64(reply_queue_pa
, MegasasState
),
2076 VMSTATE_UINT64(consumer_pa
, MegasasState
),
2077 VMSTATE_UINT64(producer_pa
, MegasasState
),
2078 VMSTATE_END_OF_LIST()
2082 static void megasas_scsi_uninit(PCIDevice
*d
)
2084 MegasasState
*s
= MEGASAS(d
);
2087 msix_uninit(d
, &s
->mmio_io
);
2089 memory_region_destroy(&s
->mmio_io
);
2090 memory_region_destroy(&s
->port_io
);
2091 memory_region_destroy(&s
->queue_io
);
2094 static const struct SCSIBusInfo megasas_scsi_info
= {
2096 .max_target
= MFI_MAX_LD
,
2099 .transfer_data
= megasas_xfer_complete
,
2100 .get_sg_list
= megasas_get_sg_list
,
2101 .complete
= megasas_command_complete
,
2102 .cancel
= megasas_command_cancel
,
2105 static int megasas_scsi_init(PCIDevice
*dev
)
2107 DeviceState
*d
= DEVICE(dev
);
2108 MegasasState
*s
= MEGASAS(dev
);
2113 pci_conf
= dev
->config
;
2115 /* PCI latency timer = 0 */
2116 pci_conf
[PCI_LATENCY_TIMER
] = 0;
2117 /* Interrupt pin 1 */
2118 pci_conf
[PCI_INTERRUPT_PIN
] = 0x01;
2120 memory_region_init_io(&s
->mmio_io
, OBJECT(s
), &megasas_mmio_ops
, s
,
2121 "megasas-mmio", 0x4000);
2122 memory_region_init_io(&s
->port_io
, OBJECT(s
), &megasas_port_ops
, s
,
2124 memory_region_init_io(&s
->queue_io
, OBJECT(s
), &megasas_queue_ops
, s
,
2125 "megasas-queue", 0x40000);
2128 /* MSI-X support is currently broken */
2129 if (megasas_use_msix(s
) &&
2130 msix_init(dev
, 15, &s
->mmio_io
, 0, 0x2000)) {
2131 s
->flags
&= ~MEGASAS_MASK_USE_MSIX
;
2134 s
->flags
&= ~MEGASAS_MASK_USE_MSIX
;
2137 bar_type
= PCI_BASE_ADDRESS_SPACE_MEMORY
| PCI_BASE_ADDRESS_MEM_TYPE_64
;
2138 pci_register_bar(dev
, 0, bar_type
, &s
->mmio_io
);
2139 pci_register_bar(dev
, 2, PCI_BASE_ADDRESS_SPACE_IO
, &s
->port_io
);
2140 pci_register_bar(dev
, 3, bar_type
, &s
->queue_io
);
2142 if (megasas_use_msix(s
)) {
2143 msix_vector_use(dev
, 0);
2147 s
->sas_addr
= ((NAA_LOCALLY_ASSIGNED_ID
<< 24) |
2148 IEEE_COMPANY_LOCALLY_ASSIGNED
) << 36;
2149 s
->sas_addr
|= (pci_bus_num(dev
->bus
) << 16);
2150 s
->sas_addr
|= (PCI_SLOT(dev
->devfn
) << 8);
2151 s
->sas_addr
|= PCI_FUNC(dev
->devfn
);
2153 if (!s
->hba_serial
) {
2154 s
->hba_serial
= g_strdup(MEGASAS_HBA_SERIAL
);
2156 if (s
->fw_sge
>= MEGASAS_MAX_SGE
- MFI_PASS_FRAME_SIZE
) {
2157 s
->fw_sge
= MEGASAS_MAX_SGE
- MFI_PASS_FRAME_SIZE
;
2158 } else if (s
->fw_sge
>= 128 - MFI_PASS_FRAME_SIZE
) {
2159 s
->fw_sge
= 128 - MFI_PASS_FRAME_SIZE
;
2161 s
->fw_sge
= 64 - MFI_PASS_FRAME_SIZE
;
2163 if (s
->fw_cmds
> MEGASAS_MAX_FRAMES
) {
2164 s
->fw_cmds
= MEGASAS_MAX_FRAMES
;
2166 trace_megasas_init(s
->fw_sge
, s
->fw_cmds
,
2167 megasas_use_msix(s
) ? "MSI-X" : "INTx",
2168 megasas_is_jbod(s
) ? "jbod" : "raid");
2169 s
->fw_luns
= (MFI_MAX_LD
> MAX_SCSI_DEVS
) ?
2170 MAX_SCSI_DEVS
: MFI_MAX_LD
;
2173 for (i
= 0; i
< s
->fw_cmds
; i
++) {
2174 s
->frames
[i
].index
= i
;
2175 s
->frames
[i
].context
= -1;
2176 s
->frames
[i
].pa
= 0;
2177 s
->frames
[i
].state
= s
;
2180 scsi_bus_new(&s
->bus
, sizeof(s
->bus
), DEVICE(dev
),
2181 &megasas_scsi_info
, NULL
);
2182 if (!d
->hotplugged
) {
2183 scsi_bus_legacy_handle_cmdline(&s
->bus
, &err
);
2192 static Property megasas_properties
[] = {
2193 DEFINE_PROP_UINT32("max_sge", MegasasState
, fw_sge
,
2194 MEGASAS_DEFAULT_SGE
),
2195 DEFINE_PROP_UINT32("max_cmds", MegasasState
, fw_cmds
,
2196 MEGASAS_DEFAULT_FRAMES
),
2197 DEFINE_PROP_STRING("hba_serial", MegasasState
, hba_serial
),
2198 DEFINE_PROP_UINT64("sas_address", MegasasState
, sas_addr
, 0),
2200 DEFINE_PROP_BIT("use_msix", MegasasState
, flags
,
2201 MEGASAS_FLAG_USE_MSIX
, false),
2203 DEFINE_PROP_BIT("use_jbod", MegasasState
, flags
,
2204 MEGASAS_FLAG_USE_JBOD
, false),
2205 DEFINE_PROP_END_OF_LIST(),
2208 static void megasas_class_init(ObjectClass
*oc
, void *data
)
2210 DeviceClass
*dc
= DEVICE_CLASS(oc
);
2211 PCIDeviceClass
*pc
= PCI_DEVICE_CLASS(oc
);
2213 pc
->init
= megasas_scsi_init
;
2214 pc
->exit
= megasas_scsi_uninit
;
2215 pc
->vendor_id
= PCI_VENDOR_ID_LSI_LOGIC
;
2216 pc
->device_id
= PCI_DEVICE_ID_LSI_SAS1078
;
2217 pc
->subsystem_vendor_id
= PCI_VENDOR_ID_LSI_LOGIC
;
2218 pc
->subsystem_id
= 0x1013;
2219 pc
->class_id
= PCI_CLASS_STORAGE_RAID
;
2220 dc
->props
= megasas_properties
;
2221 dc
->reset
= megasas_scsi_reset
;
2222 dc
->vmsd
= &vmstate_megasas
;
2223 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
2224 dc
->desc
= "LSI MegaRAID SAS 1078";
2227 static const TypeInfo megasas_info
= {
2228 .name
= TYPE_MEGASAS
,
2229 .parent
= TYPE_PCI_DEVICE
,
2230 .instance_size
= sizeof(MegasasState
),
2231 .class_init
= megasas_class_init
,
2234 static void megasas_register_types(void)
2236 type_register_static(&megasas_info
);
2239 type_init(megasas_register_types
)