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authorHannes Reinecke <hare@suse.de>2014-10-29 13:00:13 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2014-10-31 11:29:01 +0100
commit200b6966cdd393045ef042f0777faf660115ab22 (patch)
tree38e27cc67457d9a7290b724601bdc948c8c45588 /hw/scsi/megasas.c
parent96f8f23a1e900796494a54e8b56610e1a7db2a89 (diff)
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megasas: Implement DCMD_CLUSTER_RESET_LD
Some implementations use DCMD_CLUSTER_RESET_LD to simulate a device reset. Signed-off-by: Hannes Reinecke <hare@suse.de> [Compare against id, not lun. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/megasas.c')
-rw-r--r--hw/scsi/megasas.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index ed4cc1b..dcfef63 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1416,9 +1416,23 @@ static int megasas_ctrl_shutdown(MegasasState *s, MegasasCmd *cmd)
return MFI_STAT_OK;
}
+/* Some implementations use CLUSTER RESET LD to simulate a device reset */
static int megasas_cluster_reset_ld(MegasasState *s, MegasasCmd *cmd)
{
- return MFI_STAT_INVALID_DCMD;
+ uint16_t target_id;
+ int i;
+
+ /* mbox0 contains the device index */
+ target_id = le16_to_cpu(cmd->frame->dcmd.mbox[0]);
+ trace_megasas_dcmd_reset_ld(cmd->index, target_id);
+ for (i = 0; i < s->fw_cmds; i++) {
+ MegasasCmd *tmp_cmd = &s->frames[i];
+ if (tmp_cmd->req && tmp_cmd->req->dev->id == target_id) {
+ SCSIDevice *d = tmp_cmd->req->dev;
+ qdev_reset_all(&d->qdev);
+ }
+ }
+ return MFI_STAT_OK;
}
static int megasas_dcmd_set_properties(MegasasState *s, MegasasCmd *cmd)