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megasas: Implement LD_LIST_QUERY

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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",