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[Qemu-devel] [PATCH v9 18/22] virtio-scsi: use virtio wrappers to access
From: |
Greg Kurz |
Subject: |
[Qemu-devel] [PATCH v9 18/22] virtio-scsi: use virtio wrappers to access headers |
Date: |
Tue, 24 Jun 2014 19:48:53 +0200 |
User-agent: |
StGit/0.17-dirty |
From: Rusty Russell <address@hidden>
Note that st*_raw and ld*_raw are effectively replaced by st*_p and ld*_p.
Signed-off-by: Rusty Russell <address@hidden>
Reviewed-by: Anthony Liguori <address@hidden>
[ pass VirtIODevice * to memory accessors,
converted new tswap locations to virtio_tswap,
Greg Kurz <address@hidden> ]
Signed-off-by: Greg Kurz <address@hidden>
Reviewed-by: Alexander Graf <address@hidden>
---
Changes since v8:
- removed some lines that should be sent in a follow-up patch (missing
tswaps for ppc64le guests under PowerKVM)
- rebased on top of Paolo's recent fixes
hw/scsi/virtio-scsi.c | 38 ++++++++++++++++++++------------------
1 file changed, 20 insertions(+), 18 deletions(-)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 6b4fd6f..04ecfa7 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -19,6 +19,7 @@
#include <hw/scsi/scsi.h>
#include <block/scsi.h>
#include <hw/virtio/virtio-bus.h>
+#include "hw/virtio/virtio-access.h"
typedef struct VirtIOSCSIReq {
VirtIOSCSI *dev;
@@ -235,7 +236,7 @@ static void virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq
*req)
/* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE". */
req->resp.tmf.response = VIRTIO_SCSI_S_OK;
- tswap32s(&req->req.tmf.subtype);
+ virtio_tswap32s(VIRTIO_DEVICE(s), &req->req.tmf.subtype);
switch (req->req.tmf.subtype) {
case VIRTIO_SCSI_T_TMF_ABORT_TASK:
case VIRTIO_SCSI_T_TMF_QUERY_TASK:
@@ -346,7 +347,7 @@ static void virtio_scsi_handle_ctrl(VirtIODevice *vdev,
VirtQueue *vq)
continue;
}
- tswap32s(&req->req.tmf.type);
+ virtio_tswap32s(vdev, &req->req.tmf.type);
if (req->req.tmf.type == VIRTIO_SCSI_T_TMF) {
if (virtio_scsi_parse_req(req, sizeof(VirtIOSCSICtrlTMFReq),
sizeof(VirtIOSCSICtrlTMFResp)) < 0) {
@@ -384,6 +385,7 @@ static void virtio_scsi_command_complete(SCSIRequest *r,
uint32_t status,
VirtIOSCSIReq *req = r->hba_private;
uint8_t sense[SCSI_SENSE_BUF_SIZE];
uint32_t sense_len;
+ VirtIODevice *vdev = VIRTIO_DEVICE(req->dev);
if (r->io_canceled) {
return;
@@ -392,14 +394,14 @@ static void virtio_scsi_command_complete(SCSIRequest *r,
uint32_t status,
req->resp.cmd.response = VIRTIO_SCSI_S_OK;
req->resp.cmd.status = status;
if (req->resp.cmd.status == GOOD) {
- req->resp.cmd.resid = tswap32(resid);
+ req->resp.cmd.resid = virtio_tswap32(vdev, resid);
} else {
req->resp.cmd.resid = 0;
sense_len = scsi_req_get_sense(r, sense, sizeof(sense));
sense_len = MIN(sense_len, req->resp_iov.size - sizeof(req->resp.cmd));
qemu_iovec_from_buf(&req->resp_iov, sizeof(req->resp.cmd),
&req->resp, sense_len);
- req->resp.cmd.sense_len = tswap32(sense_len);
+ req->resp.cmd.sense_len = virtio_tswap32(vdev, sense_len);
}
virtio_scsi_complete_cmd_req(req);
}
@@ -487,16 +489,16 @@ static void virtio_scsi_get_config(VirtIODevice *vdev,
VirtIOSCSIConfig *scsiconf = (VirtIOSCSIConfig *)config;
VirtIOSCSICommon *s = VIRTIO_SCSI_COMMON(vdev);
- stl_p(&scsiconf->num_queues, s->conf.num_queues);
- stl_p(&scsiconf->seg_max, 128 - 2);
- stl_p(&scsiconf->max_sectors, s->conf.max_sectors);
- stl_p(&scsiconf->cmd_per_lun, s->conf.cmd_per_lun);
- stl_p(&scsiconf->event_info_size, sizeof(VirtIOSCSIEvent));
- stl_p(&scsiconf->sense_size, s->sense_size);
- stl_p(&scsiconf->cdb_size, s->cdb_size);
- stw_p(&scsiconf->max_channel, VIRTIO_SCSI_MAX_CHANNEL);
- stw_p(&scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET);
- stl_p(&scsiconf->max_lun, VIRTIO_SCSI_MAX_LUN);
+ virtio_stl_p(vdev, &scsiconf->num_queues, s->conf.num_queues);
+ virtio_stl_p(vdev, &scsiconf->seg_max, 128 - 2);
+ virtio_stl_p(vdev, &scsiconf->max_sectors, s->conf.max_sectors);
+ virtio_stl_p(vdev, &scsiconf->cmd_per_lun, s->conf.cmd_per_lun);
+ virtio_stl_p(vdev, &scsiconf->event_info_size, sizeof(VirtIOSCSIEvent));
+ virtio_stl_p(vdev, &scsiconf->sense_size, s->sense_size);
+ virtio_stl_p(vdev, &scsiconf->cdb_size, s->cdb_size);
+ virtio_stw_p(vdev, &scsiconf->max_channel, VIRTIO_SCSI_MAX_CHANNEL);
+ virtio_stw_p(vdev, &scsiconf->max_target, VIRTIO_SCSI_MAX_TARGET);
+ virtio_stl_p(vdev, &scsiconf->max_lun, VIRTIO_SCSI_MAX_LUN);
}
static void virtio_scsi_set_config(VirtIODevice *vdev,
@@ -505,14 +507,14 @@ static void virtio_scsi_set_config(VirtIODevice *vdev,
VirtIOSCSIConfig *scsiconf = (VirtIOSCSIConfig *)config;
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
- if ((uint32_t) ldl_p(&scsiconf->sense_size) >= 65536 ||
- (uint32_t) ldl_p(&scsiconf->cdb_size) >= 256) {
+ if ((uint32_t) virtio_ldl_p(vdev, &scsiconf->sense_size) >= 65536 ||
+ (uint32_t) virtio_ldl_p(vdev, &scsiconf->cdb_size) >= 256) {
error_report("bad data written to virtio-scsi configuration space");
exit(1);
}
- vs->sense_size = ldl_p(&scsiconf->sense_size);
- vs->cdb_size = ldl_p(&scsiconf->cdb_size);
+ vs->sense_size = virtio_ldl_p(vdev, &scsiconf->sense_size);
+ vs->cdb_size = virtio_ldl_p(vdev, &scsiconf->cdb_size);
}
static uint32_t virtio_scsi_get_features(VirtIODevice *vdev,
- Re: [Qemu-devel] [PATCH v9 00/22] legacy virtio support for cross-endian targets, (continued)
- Re: [Qemu-devel] [PATCH v9 00/22] legacy virtio support for cross-endian targets, Michael S. Tsirkin, 2014/06/24
- [Qemu-devel] [PATCH v9 10/22] exec: introduce target_words_bigendian() helper, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 11/22] cpu: introduce CPUClass::virtio_is_big_endian(), Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 12/22] virtio: add endian-ambivalent support to VirtIODevice, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 13/22] virtio: memory accessors for endian-ambivalent targets, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 14/22] virtio: allow byte swapping for vring, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 15/22] virtio-net: use virtio wrappers to access headers, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 16/22] virtio-balloon: use virtio wrappers to access page frame numbers, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 17/22] virtio-blk: use virtio wrappers to access headers, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 18/22] virtio-scsi: use virtio wrappers to access headers,
Greg Kurz <=
- [Qemu-devel] [PATCH v9 19/22] virtio-serial-bus: use virtio wrappers to access headers, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 20/22] virtio-9p: use virtio wrappers to access headers, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 21/22] target-ppc: enable virtio endian ambivalent support, Greg Kurz, 2014/06/24
- [Qemu-devel] [PATCH v9 22/22] vhost-net: disable when cross-endian, Greg Kurz, 2014/06/24
- Re: [Qemu-devel] [PATCH v9 00/22] legacy virtio support for cross-endian targets, Michael S. Tsirkin, 2014/06/29