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[Qemu-devel] [PATCH 1/2] SCSI emulation: Support unmap via WRITE_SAME_10
From: |
Ronnie Sahlberg |
Subject: |
[Qemu-devel] [PATCH 1/2] SCSI emulation: Support unmap via WRITE_SAME_10. It is the same as WRITE_SAME_16 as far as QEMU is concerned |
Date: |
Thu, 19 Apr 2012 20:41:16 +1000 |
Signed-off-by: Ronnie Sahlberg <address@hidden>
---
hw/scsi-disk.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 9949786..ccd9291 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -531,7 +531,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req,
uint8_t *outbuf)
{
outbuf[3] = buflen = 8;
outbuf[4] = 0;
- outbuf[5] = 0x40; /* write same with unmap supported */
+ outbuf[5] = 0x60; /* write_same 10/16 supported */
outbuf[6] = 0;
outbuf[7] = 0;
break;
@@ -1456,10 +1456,11 @@ static int32_t scsi_send_command(SCSIRequest *req,
uint8_t *buf)
goto illegal_lba;
}
break;
+ case WRITE_SAME_10:
case WRITE_SAME_16:
len = r->req.cmd.xfer / s->qdev.blocksize;
- DPRINTF("WRITE SAME(16) (sector %" PRId64 ", count %d)\n",
+ DPRINTF("WRITE SAME() (sector %" PRId64 ", count %d)\n",
r->req.cmd.lba, len);
if (r->req.cmd.lba > s->qdev.max_lba) {
--
1.7.3.1