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[Qemu-devel] [PATCH 14/16] SCSI emulation: Support unmap via WRITE_SAME_
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 14/16] SCSI emulation: Support unmap via WRITE_SAME_10. |
Date: |
Thu, 19 Apr 2012 16:29:34 +0200 |
From: Ronnie Sahlberg <address@hidden>
This was added in SBC r26 in place of the reserved bits that were
present up to that version.
It is the same as WRITE_SAME_16 as far as QEMU is concerned.
Signed-off-by: Ronnie Sahlberg <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi-disk.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index fca31fa..85a75c4 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -627,7 +627,7 @@ 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;
@@ -1558,10 +1558,11 @@ 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) {
--
1.7.9.3
- [Qemu-devel] [PATCH 04/16] virtio-scsi: add multiqueue capability, (continued)
- [Qemu-devel] [PATCH 04/16] virtio-scsi: add multiqueue capability, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 06/16] scsi: make code more homogeneous in AIO callback functions, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 10/16] scsi: add a started field to SCSIDiskReq, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 07/16] scsi: move scsi_flush_complete around, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 11/16] scsi: support FUA on reads, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 08/16] scsi: add support for FUA on writes, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 09/16] scsi: force unit access on VERIFY, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 13/16] scsi: advertise DPOFUA, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 12/16] scsi: small refactoring of MMC mode-sense, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 16/16] scsi: add SANITIZE command, Paolo Bonzini, 2012/04/19
- [Qemu-devel] [PATCH 14/16] SCSI emulation: Support unmap via WRITE_SAME_10.,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 15/16] SCSI emulation: should tell the guest that we actually support thin provisioning, Paolo Bonzini, 2012/04/19