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Merge remote-tracking branch 'remotes/bonzini/scsi-next' into staging 

* remotes/bonzini/scsi-next:
  [PATCH] block/iscsi: bump year in copyright notice
  block/iscsi: allow cluster_size of 4K and greater
  block/iscsi: clarify the meaning of ISCSI_CHECKALLOC_THRES
  block/iscsi: speed up read for unallocated sectors
  block/iscsi: allow fall back to WRITE SAME without UNMAP
  MAINTAINERS: mark megasas as maintained
  megasas: Add MSI support
  megasas: Enable MSI-X support
  megasas: Implement LD_LIST_QUERY
  scsi: Improve error messages more
  scsi-disk: Improve error messager if can't get version number

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
master
Peter Maydell 2014-05-19 12:30:06 +01:00
parent 1a381811b4 6a86dec619
commit 6a23082b4e
7 changed files with 313 additions and 132 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
MAINTAINERS
View File

@ -659,6 +659,12 @@ S: Supported
F: hw/block/nvme*
F: tests/nvme-test.c
megasas
M: Hannes Reinecke <hare@suse.de>
S: Supported
F: hw/scsi/megasas.c
F: hw/scsi/mfi.h
Xilinx EDK
M: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
M: Edgar E. Iglesias <edgar.iglesias@gmail.com>

319
block/iscsi.c
View File

@ -30,6 +30,8 @@
#include "qemu-common.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "qemu/bitops.h"
#include "qemu/bitmap.h"
#include "block/block_int.h"
#include "trace.h"
#include "block/scsi.h"
@ -59,6 +61,8 @@ typedef struct IscsiLun {
struct scsi_inquiry_logical_block_provisioning lbp;
struct scsi_inquiry_block_limits bl;
unsigned char *zeroblock;
unsigned long *allocationmap;
int cluster_sectors;
} IscsiLun;
typedef struct IscsiTask {
@ -92,6 +96,15 @@ typedef struct IscsiAIOCB {
#define MAX_NOP_FAILURES 3
#define ISCSI_CMD_RETRIES 5
/* this threshhold is a trade-off knob to choose between
* the potential additional overhead of an extra GET_LBA_STATUS request
* vs. unnecessarily reading a lot of zero sectors over the wire.
* If a read request is greater or equal than ISCSI_CHECKALLOC_THRES
* sectors we check the allocation status of the area covered by the
* request first if the allocationmap indicates that the area might be
* unallocated. */
#define ISCSI_CHECKALLOC_THRES 64
static void
iscsi_bh_cb(void *p)
{
@ -273,6 +286,32 @@ static bool is_request_lun_aligned(int64_t sector_num, int nb_sectors,
return 1;
}
static void iscsi_allocationmap_set(IscsiLun *iscsilun, int64_t sector_num,
int nb_sectors)
{
if (iscsilun->allocationmap == NULL) {
return;
}
bitmap_set(iscsilun->allocationmap,
sector_num / iscsilun->cluster_sectors,
DIV_ROUND_UP(nb_sectors, iscsilun->cluster_sectors));
}
static void iscsi_allocationmap_clear(IscsiLun *iscsilun, int64_t sector_num,
int nb_sectors)
{
int64_t cluster_num, nb_clusters;
if (iscsilun->allocationmap == NULL) {
return;
}
cluster_num = DIV_ROUND_UP(sector_num, iscsilun->cluster_sectors);
nb_clusters = (sector_num + nb_sectors) / iscsilun->cluster_sectors
- cluster_num;
if (nb_clusters > 0) {
bitmap_clear(iscsilun->allocationmap, cluster_num, nb_clusters);
}
}
static int coroutine_fn iscsi_co_writev(BlockDriverState *bs,
int64_t sector_num, int nb_sectors,
QEMUIOVector *iov)
@ -336,9 +375,127 @@ retry:
return -EIO;
}
iscsi_allocationmap_set(iscsilun, sector_num, nb_sectors);
return 0;
}
static bool iscsi_allocationmap_is_allocated(IscsiLun *iscsilun,
int64_t sector_num, int nb_sectors)
{
unsigned long size;
if (iscsilun->allocationmap == NULL) {
return true;
}
size = DIV_ROUND_UP(sector_num + nb_sectors, iscsilun->cluster_sectors);
return !(find_next_bit(iscsilun->allocationmap, size,
sector_num / iscsilun->cluster_sectors) == size);
}
#if defined(LIBISCSI_FEATURE_IOVECTOR)
static int64_t coroutine_fn iscsi_co_get_block_status(BlockDriverState *bs,
int64_t sector_num,
int nb_sectors, int *pnum)
{
IscsiLun *iscsilun = bs->opaque;
struct scsi_get_lba_status *lbas = NULL;
struct scsi_lba_status_descriptor *lbasd = NULL;
struct IscsiTask iTask;
int64_t ret;
iscsi_co_init_iscsitask(iscsilun, &iTask);
if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) {
ret = -EINVAL;
goto out;
}
/* default to all sectors allocated */
ret = BDRV_BLOCK_DATA;
ret |= (sector_num << BDRV_SECTOR_BITS) | BDRV_BLOCK_OFFSET_VALID;
*pnum = nb_sectors;
/* LUN does not support logical block provisioning */
if (iscsilun->lbpme == 0) {
goto out;
}
retry:
if (iscsi_get_lba_status_task(iscsilun->iscsi, iscsilun->lun,
sector_qemu2lun(sector_num, iscsilun),
8 + 16, iscsi_co_generic_cb,
&iTask) == NULL) {
ret = -ENOMEM;
goto out;
}
while (!iTask.complete) {
iscsi_set_events(iscsilun);
qemu_coroutine_yield();
}
if (iTask.do_retry) {
if (iTask.task != NULL) {
scsi_free_scsi_task(iTask.task);
iTask.task = NULL;
}
iTask.complete = 0;
goto retry;
}
if (iTask.status != SCSI_STATUS_GOOD) {
/* in case the get_lba_status_callout fails (i.e.
* because the device is busy or the cmd is not
* supported) we pretend all blocks are allocated
* for backwards compatibility */
goto out;
}
lbas = scsi_datain_unmarshall(iTask.task);
if (lbas == NULL) {
ret = -EIO;
goto out;
}
lbasd = &lbas->descriptors[0];
if (sector_qemu2lun(sector_num, iscsilun) != lbasd->lba) {
ret = -EIO;
goto out;
}
*pnum = sector_lun2qemu(lbasd->num_blocks, iscsilun);
if (lbasd->provisioning == SCSI_PROVISIONING_TYPE_DEALLOCATED ||
lbasd->provisioning == SCSI_PROVISIONING_TYPE_ANCHORED) {
ret &= ~BDRV_BLOCK_DATA;
if (iscsilun->lbprz) {
ret |= BDRV_BLOCK_ZERO;
}
}
if (ret & BDRV_BLOCK_ZERO) {
iscsi_allocationmap_clear(iscsilun, sector_num, *pnum);
} else {
iscsi_allocationmap_set(iscsilun, sector_num, *pnum);
}
if (*pnum > nb_sectors) {
*pnum = nb_sectors;
}
out:
if (iTask.task != NULL) {
scsi_free_scsi_task(iTask.task);
}
return ret;
}
#endif /* LIBISCSI_FEATURE_IOVECTOR */
static int coroutine_fn iscsi_co_readv(BlockDriverState *bs,
int64_t sector_num, int nb_sectors,
QEMUIOVector *iov)
@ -355,6 +512,22 @@ static int coroutine_fn iscsi_co_readv(BlockDriverState *bs,
return -EINVAL;
}
#if defined(LIBISCSI_FEATURE_IOVECTOR)
if (iscsilun->lbprz && nb_sectors >= ISCSI_CHECKALLOC_THRES &&
!iscsi_allocationmap_is_allocated(iscsilun, sector_num, nb_sectors)) {
int64_t ret;
int pnum;
ret = iscsi_co_get_block_status(bs, sector_num, INT_MAX, &pnum);
if (ret < 0) {
return ret;
}
if (ret & BDRV_BLOCK_ZERO && pnum >= nb_sectors) {
qemu_iovec_memset(iov, 0, 0x00, iov->size);
return 0;
}
}
#endif
lba = sector_qemu2lun(sector_num, iscsilun);
num_sectors = sector_qemu2lun(nb_sectors, iscsilun);
@ -643,101 +816,6 @@ iscsi_getlength(BlockDriverState *bs)
return len;
}
#if defined(LIBISCSI_FEATURE_IOVECTOR)
static int64_t coroutine_fn iscsi_co_get_block_status(BlockDriverState *bs,
int64_t sector_num,
int nb_sectors, int *pnum)
{
IscsiLun *iscsilun = bs->opaque;
struct scsi_get_lba_status *lbas = NULL;
struct scsi_lba_status_descriptor *lbasd = NULL;
struct IscsiTask iTask;
int64_t ret;
iscsi_co_init_iscsitask(iscsilun, &iTask);
if (!is_request_lun_aligned(sector_num, nb_sectors, iscsilun)) {
ret = -EINVAL;
goto out;
}
/* default to all sectors allocated */
ret = BDRV_BLOCK_DATA;
ret |= (sector_num << BDRV_SECTOR_BITS) | BDRV_BLOCK_OFFSET_VALID;
*pnum = nb_sectors;
/* LUN does not support logical block provisioning */
if (iscsilun->lbpme == 0) {
goto out;
}
retry:
if (iscsi_get_lba_status_task(iscsilun->iscsi, iscsilun->lun,
sector_qemu2lun(sector_num, iscsilun),
8 + 16, iscsi_co_generic_cb,
&iTask) == NULL) {
ret = -ENOMEM;
goto out;
}
while (!iTask.complete) {
iscsi_set_events(iscsilun);
qemu_coroutine_yield();
}
if (iTask.do_retry) {
if (iTask.task != NULL) {
scsi_free_scsi_task(iTask.task);
iTask.task = NULL;
}
iTask.complete = 0;
goto retry;
}
if (iTask.status != SCSI_STATUS_GOOD) {
/* in case the get_lba_status_callout fails (i.e.
* because the device is busy or the cmd is not
* supported) we pretend all blocks are allocated
* for backwards compatibility */
goto out;
}
lbas = scsi_datain_unmarshall(iTask.task);
if (lbas == NULL) {
ret = -EIO;
goto out;
}
lbasd = &lbas->descriptors[0];
if (sector_qemu2lun(sector_num, iscsilun) != lbasd->lba) {
ret = -EIO;
goto out;
}
*pnum = sector_lun2qemu(lbasd->num_blocks, iscsilun);
if (*pnum > nb_sectors) {
*pnum = nb_sectors;
}
if (lbasd->provisioning == SCSI_PROVISIONING_TYPE_DEALLOCATED ||
lbasd->provisioning == SCSI_PROVISIONING_TYPE_ANCHORED) {
ret &= ~BDRV_BLOCK_DATA;
if (iscsilun->lbprz) {
ret |= BDRV_BLOCK_ZERO;
}
}
out:
if (iTask.task != NULL) {
scsi_free_scsi_task(iTask.task);
}
return ret;
}
#endif /* LIBISCSI_FEATURE_IOVECTOR */
static int
coroutine_fn iscsi_co_discard(BlockDriverState *bs, int64_t sector_num,
int nb_sectors)
@ -791,6 +869,8 @@ retry:
return -EIO;
}
iscsi_allocationmap_clear(iscsilun, sector_num, nb_sectors);
return 0;
}
@ -809,13 +889,14 @@ coroutine_fn iscsi_co_write_zeroes(BlockDriverState *bs, int64_t sector_num,
return -EINVAL;
}
if (!(flags & BDRV_REQ_MAY_UNMAP) && !iscsilun->has_write_same) {
/* WRITE SAME without UNMAP is not supported by the target */
return -ENOTSUP;
if ((flags & BDRV_REQ_MAY_UNMAP) && !iscsilun->lbp.lbpws) {
/* WRITE SAME with UNMAP is not supported by the target,
* fall back and try WRITE SAME without UNMAP */
flags &= ~BDRV_REQ_MAY_UNMAP;
}
if ((flags & BDRV_REQ_MAY_UNMAP) && !iscsilun->lbp.lbpws) {
/* WRITE SAME with UNMAP is not supported by the target */
if (!(flags & BDRV_REQ_MAY_UNMAP) && !iscsilun->has_write_same) {
/* WRITE SAME without UNMAP is not supported by the target */
return -ENOTSUP;
}
@ -864,6 +945,12 @@ retry:
return -EIO;
}
if (flags & BDRV_REQ_MAY_UNMAP) {
iscsi_allocationmap_clear(iscsilun, sector_num, nb_sectors);
} else {
iscsi_allocationmap_set(iscsilun, sector_num, nb_sectors);
}
return 0;
}
@ -1295,6 +1382,22 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
#endif
/* Guess the internal cluster (page) size of the iscsi target by the means
* of opt_unmap_gran. Transfer the unmap granularity only if it has a
* reasonable size */
if (iscsilun->bl.opt_unmap_gran * iscsilun->block_size >= 4 * 1024 &&
iscsilun->bl.opt_unmap_gran * iscsilun->block_size <= 16 * 1024 * 1024) {
iscsilun->cluster_sectors = (iscsilun->bl.opt_unmap_gran *
iscsilun->block_size) >> BDRV_SECTOR_BITS;
#if defined(LIBISCSI_FEATURE_IOVECTOR)
if (iscsilun->lbprz && !(bs->open_flags & BDRV_O_NOCACHE)) {
iscsilun->allocationmap =
bitmap_new(DIV_ROUND_UP(bs->total_sectors,
iscsilun->cluster_sectors));
}
#endif
}
out:
qemu_opts_del(opts);
if (initiator_name != NULL) {
@ -1328,6 +1431,7 @@ static void iscsi_close(BlockDriverState *bs)
qemu_aio_set_fd_handler(iscsi_get_fd(iscsi), NULL, NULL, NULL);
iscsi_destroy_context(iscsi);
g_free(iscsilun->zeroblock);
g_free(iscsilun->allocationmap);
memset(iscsilun, 0, sizeof(IscsiLun));
}
@ -1388,6 +1492,13 @@ static int iscsi_truncate(BlockDriverState *bs, int64_t offset)
return -EINVAL;
}
if (iscsilun->allocationmap != NULL) {
g_free(iscsilun->allocationmap);
iscsilun->allocationmap =
bitmap_new(DIV_ROUND_UP(bs->total_sectors,
iscsilun->cluster_sectors));
}
return 0;
}
@ -1450,13 +1561,7 @@ static int iscsi_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
IscsiLun *iscsilun = bs->opaque;
bdi->unallocated_blocks_are_zero = !!iscsilun->lbprz;
bdi->can_write_zeroes_with_unmap = iscsilun->lbprz && iscsilun->lbp.lbpws;
/* Guess the internal cluster (page) size of the iscsi target by the means
* of opt_unmap_gran. Transfer the unmap granularity only if it has a
* reasonable size for bdi->cluster_size */
if (iscsilun->bl.opt_unmap_gran * iscsilun->block_size >= 64 * 1024 &&
iscsilun->bl.opt_unmap_gran * iscsilun->block_size <= 16 * 1024 * 1024) {
bdi->cluster_size = iscsilun->bl.opt_unmap_gran * iscsilun->block_size;
}
bdi->cluster_size = iscsilun->cluster_sectors * BDRV_SECTOR_SIZE;
return 0;
}

81
hw/scsi/megasas.c
View File

@ -21,6 +21,7 @@
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "sysemu/dma.h"
#include "hw/pci/msi.h"
#include "hw/pci/msix.h"
#include "qemu/iov.h"
#include "hw/scsi/scsi.h"
@ -43,9 +44,11 @@
#define MEGASAS_FLAG_USE_JBOD 0
#define MEGASAS_MASK_USE_JBOD (1 << MEGASAS_FLAG_USE_JBOD)
#define MEGASAS_FLAG_USE_MSIX 1
#define MEGASAS_FLAG_USE_MSI 1
#define MEGASAS_MASK_USE_MSI (1 << MEGASAS_FLAG_USE_MSI)
#define MEGASAS_FLAG_USE_MSIX 2
#define MEGASAS_MASK_USE_MSIX (1 << MEGASAS_FLAG_USE_MSIX)
#define MEGASAS_FLAG_USE_QUEUE64 2
#define MEGASAS_FLAG_USE_QUEUE64 3
#define MEGASAS_MASK_USE_QUEUE64 (1 << MEGASAS_FLAG_USE_QUEUE64)
static const char *mfi_frame_desc[] = {
@ -132,6 +135,11 @@ static bool megasas_use_queue64(MegasasState *s)
return s->flags & MEGASAS_MASK_USE_QUEUE64;
}
static bool megasas_use_msi(MegasasState *s)
{
return s->flags & MEGASAS_MASK_USE_MSI;
}
static bool megasas_use_msix(MegasasState *s)
{
return s->flags & MEGASAS_MASK_USE_MSIX;
@ -538,6 +546,9 @@ static void megasas_complete_frame(MegasasState *s, uint64_t context)
if (msix_enabled(pci_dev)) {
trace_megasas_msix_raise(0);
msix_notify(pci_dev, 0);
} else if (msi_enabled(pci_dev)) {
trace_megasas_msi_raise(0);
msi_notify(pci_dev, 0);
} else {
trace_megasas_irq_raise();
pci_irq_assert(pci_dev);
@ -1106,6 +1117,21 @@ static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd)
return MFI_STAT_OK;
}
static int megasas_dcmd_ld_list_query(MegasasState *s, MegasasCmd *cmd)
{
uint16_t flags;
/* mbox0 contains flags */
flags = le16_to_cpu(cmd->frame->dcmd.mbox[0]);
trace_megasas_dcmd_ld_list_query(cmd->index, flags);
if (flags == MR_LD_QUERY_TYPE_ALL ||
flags == MR_LD_QUERY_TYPE_EXPOSED_TO_HOST) {
return megasas_dcmd_ld_get_list(s, cmd);
}
return MFI_STAT_OK;
}
static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
MegasasCmd *cmd)
{
@ -1409,6 +1435,8 @@ static const struct dcmd_cmd_tbl_t {
megasas_dcmd_dummy },
{ MFI_DCMD_LD_GET_LIST, "LD_GET_LIST",
megasas_dcmd_ld_get_list},
{ MFI_DCMD_LD_LIST_QUERY, "LD_LIST_QUERY",
megasas_dcmd_ld_list_query },
{ MFI_DCMD_LD_GET_INFO, "LD_GET_INFO",
megasas_dcmd_ld_get_info },
{ MFI_DCMD_LD_GET_PROP, "LD_GET_PROP",
@ -1939,12 +1967,20 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
break;
case MFI_OMSK:
s->intr_mask = val;
if (!megasas_intr_enabled(s) && !msix_enabled(pci_dev)) {
if (!megasas_intr_enabled(s) &&
!msi_enabled(pci_dev) &&
!msix_enabled(pci_dev)) {
trace_megasas_irq_lower();
pci_irq_deassert(pci_dev);
}
if (megasas_intr_enabled(s)) {
trace_megasas_intr_enabled();
if (msix_enabled(pci_dev)) {
trace_megasas_msix_enabled(0);
} else if (msi_enabled(pci_dev)) {
trace_megasas_msi_enabled(0);
} else {
trace_megasas_intr_enabled();
}
} else {
trace_megasas_intr_disabled();
}
@ -2068,6 +2104,7 @@ static const VMStateDescription vmstate_megasas = {
.minimum_version_id_old = 0,
.fields = (VMStateField[]) {
VMSTATE_PCI_DEVICE(parent_obj, MegasasState),
VMSTATE_MSIX(parent_obj, MegasasState),
VMSTATE_INT32(fw_state, MegasasState),
VMSTATE_INT32(intr_mask, MegasasState),
@ -2083,9 +2120,12 @@ static void megasas_scsi_uninit(PCIDevice *d)
{
MegasasState *s = MEGASAS(d);
#ifdef USE_MSIX
msix_uninit(d, &s->mmio_io);
#endif
if (megasas_use_msix(s)) {
msix_uninit(d, &s->mmio_io, &s->mmio_io);
}
if (megasas_use_msi(s)) {
msi_uninit(d);
}
memory_region_destroy(&s->mmio_io);
memory_region_destroy(&s->port_io);
memory_region_destroy(&s->queue_io);
@ -2124,15 +2164,15 @@ static int megasas_scsi_init(PCIDevice *dev)
memory_region_init_io(&s->queue_io, OBJECT(s), &megasas_queue_ops, s,
"megasas-queue", 0x40000);
#ifdef USE_MSIX
/* MSI-X support is currently broken */
if (megasas_use_msi(s) &&
msi_init(dev, 0x50, 1, true, false)) {
s->flags &= ~MEGASAS_MASK_USE_MSI;
}
if (megasas_use_msix(s) &&
msix_init(dev, 15, &s->mmio_io, 0, 0x2000)) {
msix_init(dev, 15, &s->mmio_io, 0, 0x2000,
&s->mmio_io, 0, 0x3800, 0x68)) {
s->flags &= ~MEGASAS_MASK_USE_MSIX;
}
#else
s->flags &= ~MEGASAS_MASK_USE_MSIX;
#endif
bar_type = PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64;
pci_register_bar(dev, 0, bar_type, &s->mmio_io);
@ -2151,7 +2191,7 @@ static int megasas_scsi_init(PCIDevice *dev)
s->sas_addr |= PCI_FUNC(dev->devfn);
}
if (!s->hba_serial) {
s->hba_serial = g_strdup(MEGASAS_HBA_SERIAL);
s->hba_serial = g_strdup(MEGASAS_HBA_SERIAL);
}
if (s->fw_sge >= MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE) {
s->fw_sge = MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE;
@ -2164,7 +2204,6 @@ static int megasas_scsi_init(PCIDevice *dev)
s->fw_cmds = MEGASAS_MAX_FRAMES;
}
trace_megasas_init(s->fw_sge, s->fw_cmds,
megasas_use_msix(s) ? "MSI-X" : "INTx",
megasas_is_jbod(s) ? "jbod" : "raid");
s->fw_luns = (MFI_MAX_LD > MAX_SCSI_DEVS) ?
MAX_SCSI_DEVS : MFI_MAX_LD;
@ -2189,6 +2228,13 @@ static int megasas_scsi_init(PCIDevice *dev)
return 0;
}
static void
megasas_write_config(PCIDevice *pci, uint32_t addr, uint32_t val, int len)
{
pci_default_write_config(pci, addr, val, len);
msi_write_config(pci, addr, val, len);
}
static Property megasas_properties[] = {
DEFINE_PROP_UINT32("max_sge", MegasasState, fw_sge,
MEGASAS_DEFAULT_SGE),
@ -2196,10 +2242,10 @@ static Property megasas_properties[] = {
MEGASAS_DEFAULT_FRAMES),
DEFINE_PROP_STRING("hba_serial", MegasasState, hba_serial),
DEFINE_PROP_UINT64("sas_address", MegasasState, sas_addr, 0),
#ifdef USE_MSIX
DEFINE_PROP_BIT("use_msi", MegasasState, flags,
MEGASAS_FLAG_USE_MSI, false),
DEFINE_PROP_BIT("use_msix", MegasasState, flags,
MEGASAS_FLAG_USE_MSIX, false),
#endif
DEFINE_PROP_BIT("use_jbod", MegasasState, flags,
MEGASAS_FLAG_USE_JBOD, false),
DEFINE_PROP_END_OF_LIST(),
@ -2222,6 +2268,7 @@ static void megasas_class_init(ObjectClass *oc, void *data)
dc->vmsd = &vmstate_megasas;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
dc->desc = "LSI MegaRAID SAS 1078";
pc->config_write = megasas_write_config;
}
static const TypeInfo megasas_info = {

9
hw/scsi/mfi.h
View File

@ -164,6 +164,7 @@ typedef enum {
MFI_DCMD_PD_BLINK = 0x02070100,
MFI_DCMD_PD_UNBLINK = 0x02070200,
MFI_DCMD_LD_GET_LIST = 0x03010000,
MFI_DCMD_LD_LIST_QUERY = 0x03010100,
MFI_DCMD_LD_GET_INFO = 0x03020000,
MFI_DCMD_LD_GET_PROP = 0x03030000,
MFI_DCMD_LD_SET_PROP = 0x03040000,
@ -411,6 +412,14 @@ typedef enum {
MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5, /*query for system drives */
} mfi_pd_query_type;
typedef enum {
MR_LD_QUERY_TYPE_ALL = 0,
MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
MR_LD_QUERY_TYPE_USED_TGT_IDS = 2,
MR_LD_QUERY_TYPE_CLUSTER_ACCESS = 3,
MR_LD_QUERY_TYPE_CLUSTER_LOCALE = 4,
} mfi_ld_query_type;
/*
* Other propertities and definitions
*/

16
hw/scsi/scsi-disk.c
View File

@ -2458,21 +2458,27 @@ static int scsi_block_initfn(SCSIDevice *dev)
int rc;
if (!s->qdev.conf.bs) {
error_report("scsi-block: drive property not set");
error_report("drive property not set");
return -1;
}
/* check we are using a driver managing SG_IO (version 3 and after) */
if (bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0 ||
sg_version < 30000) {
error_report("scsi-block: scsi generic interface too old");
rc = bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
error_report("cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return -1;
}
if (sg_version < 30000) {
error_report("scsi generic interface too old");
return -1;
}
/* get device type from INQUIRY data */
rc = get_device_type(s);
if (rc < 0) {
error_report("scsi-block: INQUIRY failed");
error_report("INQUIRY failed");
return -1;
}

8
hw/scsi/scsi-generic.c
View File

@ -394,6 +394,7 @@ static void scsi_destroy(SCSIDevice *s)
static int scsi_generic_initfn(SCSIDevice *s)
{
int rc;
int sg_version;
struct sg_scsi_id scsiid;
@ -412,8 +413,11 @@ static int scsi_generic_initfn(SCSIDevice *s)
}
/* check we are using a driver managing SG_IO (version 3 and after */
if (bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version) < 0) {
error_report("scsi generic interface not supported");
rc = bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
error_report("cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return -1;
}
if (sg_version < 30000) {

6
trace-events
View File

@ -688,17 +688,21 @@ megasas_dcmd_ld_get_list(int cmd, int num, int max) "scmd %d: DCMD LD get list:
megasas_dcmd_ld_get_info(int cmd, int ld_id) "scmd %d: DCMD LD get info for dev %d"
megasas_dcmd_pd_get_info(int cmd, int pd_id) "scmd %d: DCMD PD get info for dev %d"
megasas_dcmd_pd_list_query(int cmd, int flags) "scmd %d: DCMD PD list query flags %x"
megasas_dcmd_ld_list_query(int cmd, int flags) "scmd %d: DCMD LD list query flags %x"
megasas_dcmd_unsupported(int cmd, unsigned long size) "scmd %d: set properties len %ld"
megasas_abort_frame(int cmd, int abort_cmd) "scmd %d: aborting frame %x"
megasas_abort_no_cmd(int cmd, uint64_t context) "scmd %d: no active command for frame context %" PRIx64 ""
megasas_abort_invalid_context(int cmd, uint64_t context, int abort_cmd) "scmd %d: invalid frame context %" PRIx64 " for abort frame %x"
megasas_reset(void) "Reset"
megasas_init(int sges, int cmds, const char *intr, const char *mode) "Using %d sges, %d cmds, %s, %s mode"
megasas_init(int sges, int cmds, const char *mode) "Using %d sges, %d cmds, %s mode"
megasas_msix_raise(int vector) "vector %d"
megasas_msi_raise(int vector) "vector %d"
megasas_irq_lower(void) "INTx"
megasas_irq_raise(void) "INTx"
megasas_intr_enabled(void) "Interrupts enabled"
megasas_intr_disabled(void) "Interrupts disabled"
megasas_msix_enabled(int vector) "vector %d"
megasas_msi_enabled(int vector) "vector %d"
megasas_mmio_readl(unsigned long addr, uint32_t val) "addr 0x%lx: 0x%x"
megasas_mmio_invalid_readl(unsigned long addr) "addr 0x%lx"
megasas_mmio_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x"