From 200b6966cdd393045ef042f0777faf660115ab22 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Wed, 29 Oct 2014 13:00:13 +0100 Subject: [PATCH] megasas: Implement DCMD_CLUSTER_RESET_LD Some implementations use DCMD_CLUSTER_RESET_LD to simulate a device reset. Signed-off-by: Hannes Reinecke [Compare against id, not lun. - Paolo] Signed-off-by: Paolo Bonzini --- hw/scsi/megasas.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) 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) -- 2.7.4