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[Qemu-devel] [PATCH 14/17] megasas: Implement DCMD_CLUSTER_RESET_LD
From: |
Hannes Reinecke |
Subject: |
[Qemu-devel] [PATCH 14/17] megasas: Implement DCMD_CLUSTER_RESET_LD |
Date: |
Wed, 29 Oct 2014 08:53:49 +0100 |
Some implementations use DCMD_CLUSTER_RESET_LD to simulate
a device reset.
Signed-off-by: Hannes Reinecke <address@hidden>
---
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 c1bc563..2a99c5e 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1420,9 +1420,23 @@ 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->lun == 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)
--
1.8.4.5
- [Qemu-devel] [PATCH 16/17] megasas: Rework frame queueing algorithm, (continued)
- [Qemu-devel] [PATCH 16/17] megasas: Rework frame queueing algorithm, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 09/17] megasas: add MegaRAID SAS 2108 emulation, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 12/17] megasas: Clear unit attention on initial reset, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 03/17] scsi: Rename scsi_cdb_length() to scsi_xfer_length(), Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 10/17] megasas: Fix typo in megasas_dcmd_ld_get_list(), Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 07/17] megasas: simplify trace event messages, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 11/17] megasas: Decode register names, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 14/17] megasas: Implement DCMD_CLUSTER_RESET_LD,
Hannes Reinecke <=
- [Qemu-devel] [PATCH 13/17] megasas: Ignore duplicate init_firmware commands, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 15/17] megasas: Update queue logging, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 17/17] megasas: Fixup MSI-X handling, Hannes Reinecke, 2014/10/29
- [Qemu-devel] [PATCH 02/17] atapi: clear sense code, Hannes Reinecke, 2014/10/29
- Re: [Qemu-devel] [PATCH 00/17] megasas: gen2 emulation and MSI-X fixes, Paolo Bonzini, 2014/10/29