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megasas: Implement LD_LIST_QUERY 

Newer firmware implement a LD_LIST_QUERY command, and due to a driver
issue no drives might be detected if this command isn't supported.
So add emulation for this command, too.

Cc: qemu-stable@nongnu.org
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hannes Reinecke 2014-04-16 16:44:13 +02:00 committed by Paolo Bonzini
parent 6ee143a0a4
commit 34bb4d02e0
3 changed files with 27 additions and 0 deletions
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17
hw/scsi/megasas.c
View File

@ -1106,6 +1106,21 @@ 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 +1424,8 @@ 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",

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
*/

1
trace-events
View File

@ -685,6 +685,7 @@ 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 ""