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[Qemu-devel] [PATCH 5/7] megasas: Implement LD_LIST_QUERY
From: |
Hannes Reinecke |
Subject: |
[Qemu-devel] [PATCH 5/7] megasas: Implement LD_LIST_QUERY |
Date: |
Wed, 16 Apr 2014 09:17:01 +0200 |
New drivers 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.
Signed-off-by: Hannes Reinecke <address@hidden>
---
hw/scsi/megasas.c | 17 +++++++++++++++++
hw/scsi/mfi.h | 9 +++++++++
trace-events | 1 +
3 files changed, 27 insertions(+)
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 687115e..859b294 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1130,6 +1130,21 @@ 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)
{
@@ -1433,6 +1448,8 @@ 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",
diff --git a/hw/scsi/mfi.h b/hw/scsi/mfi.h
index c365356..b344e4a 100644
--- a/hw/scsi/mfi.h
+++ b/hw/scsi/mfi.h
@@ -171,6 +171,7 @@ 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,
@@ -418,6 +419,14 @@ 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
*/
diff --git a/trace-events b/trace-events
index e4057e0..e0d65cb 100644
--- a/trace-events
+++ b/trace-events
@@ -664,6 +664,7 @@ 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: dev %d"
megasas_dcmd_pd_get_info(int cmd, int pd_id) "scmd %d: dev %d"
megasas_dcmd_pd_list_query(int cmd, int flags) "scmd %d: query flags %x"
+megasas_dcmd_ld_list_query(int cmd, int flags) "scmd %d: 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: frame %x"
megasas_abort_no_cmd(int cmd, uint64_t context) "scmd %d: no active command
for frame context %" PRIx64 ""
--
1.8.1.4
[Qemu-devel] [PATCH 6/7] megasas: Decode register names, Hannes Reinecke, 2014/04/16
[Qemu-devel] [PATCH 7/7] MAINTAINERS: mark megasas as maintained, Hannes Reinecke, 2014/04/16
Re: [Qemu-devel] [PATCH 0/7] megasas Update, Alexander Graf, 2014/04/16