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qemu-kvm/SOURCES/kvm-virtio-gpu-pass-down-VirtIOGPU-pointer-to-a-bunch-of.patch

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From 5b896af413dae0e4933a6e5c277bfe7b4f2f9bb4 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 4 Jul 2019 10:32:05 +0200
Subject: [PATCH 2/4] virtio-gpu: pass down VirtIOGPU pointer to a bunch of
functions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Gerd Hoffmann <kraxel@redhat.com>
Message-id: <20190704103207.29158-2-kraxel@redhat.com>
Patchwork-id: 89374
O-Subject: [RHEL-8.1.0 qemu-kvm PATCH v2 1/3] virtio-gpu: pass down VirtIOGPU pointer to a bunch of functions
Bugzilla: 1531543
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
No functional change, just preparation for a followup patch
which needs a VirtIOGPU pointer.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20180829122101.29852-2-kraxel@redhat.com>
(cherry picked from commit 3bb68f798da0234d5ca0ac6062aaa084afc83069)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
hw/display/virtio-gpu-3d.c | 8 ++++----
hw/display/virtio-gpu.c | 25 +++++++++++++++----------
include/hw/virtio/virtio-gpu.h | 6 ++++--
3 files changed, 23 insertions(+), 16 deletions(-)
diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index 3558f38..55d7640 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -86,7 +86,7 @@ static void virgl_cmd_resource_unref(VirtIOGPU *g,
&res_iovs,
&num_iovs);
if (res_iovs != NULL && num_iovs != 0) {
- virtio_gpu_cleanup_mapping_iov(res_iovs, num_iovs);
+ virtio_gpu_cleanup_mapping_iov(g, res_iovs, num_iovs);
}
virgl_renderer_resource_unref(unref.resource_id);
}
@@ -291,7 +291,7 @@ static void virgl_resource_attach_backing(VirtIOGPU *g,
VIRTIO_GPU_FILL_CMD(att_rb);
trace_virtio_gpu_cmd_res_back_attach(att_rb.resource_id);
- ret = virtio_gpu_create_mapping_iov(&att_rb, cmd, NULL, &res_iovs);
+ ret = virtio_gpu_create_mapping_iov(g, &att_rb, cmd, NULL, &res_iovs);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
@@ -301,7 +301,7 @@ static void virgl_resource_attach_backing(VirtIOGPU *g,
res_iovs, att_rb.nr_entries);
if (ret != 0)
- virtio_gpu_cleanup_mapping_iov(res_iovs, att_rb.nr_entries);
+ virtio_gpu_cleanup_mapping_iov(g, res_iovs, att_rb.nr_entries);
}
static void virgl_resource_detach_backing(VirtIOGPU *g,
@@ -320,7 +320,7 @@ static void virgl_resource_detach_backing(VirtIOGPU *g,
if (res_iovs == NULL || num_iovs == 0) {
return;
}
- virtio_gpu_cleanup_mapping_iov(res_iovs, num_iovs);
+ virtio_gpu_cleanup_mapping_iov(g, res_iovs, num_iovs);
}
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 08cd567..cb77ece 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -28,7 +28,8 @@
static struct virtio_gpu_simple_resource*
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
-static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res);
+static void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
+ struct virtio_gpu_simple_resource *res);
static void
virtio_gpu_ctrl_hdr_bswap(struct virtio_gpu_ctrl_hdr *hdr)
@@ -441,7 +442,7 @@ static void virtio_gpu_resource_destroy(VirtIOGPU *g,
}
pixman_image_unref(res->image);
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
QTAILQ_REMOVE(&g->reslist, res, next);
g->hostmem -= res->hostmem;
g_free(res);
@@ -687,7 +688,8 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
scanout->height = ss.r.height;
}
-int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
+int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
+ struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
uint64_t **addr, struct iovec **iov)
{
@@ -731,7 +733,7 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to map MMIO memory for"
" resource %d element %d\n",
__func__, ab->resource_id, i);
- virtio_gpu_cleanup_mapping_iov(*iov, i);
+ virtio_gpu_cleanup_mapping_iov(g, *iov, i);
g_free(ents);
*iov = NULL;
if (addr) {
@@ -745,7 +747,8 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
return 0;
}
-void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count)
+void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
+ struct iovec *iov, uint32_t count)
{
int i;
@@ -756,9 +759,10 @@ void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count)
g_free(iov);
}
-static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res)
+static void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
+ struct virtio_gpu_simple_resource *res)
{
- virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt);
+ virtio_gpu_cleanup_mapping_iov(g, res->iov, res->iov_cnt);
res->iov = NULL;
res->iov_cnt = 0;
g_free(res->addrs);
@@ -790,7 +794,7 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
return;
}
- ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
+ ret = virtio_gpu_create_mapping_iov(g, &ab, cmd, &res->addrs, &res->iov);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
@@ -817,7 +821,7 @@ virtio_gpu_resource_detach_backing(VirtIOGPU *g,
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
return;
}
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
}
static void virtio_gpu_simple_process_cmd(VirtIOGPU *g,
@@ -1143,6 +1147,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
hwaddr len = res->iov[i].iov_len;
res->iov[i].iov_base =
cpu_physical_memory_map(res->addrs[i], &len, 1);
+
if (!res->iov[i].iov_base || len != res->iov[i].iov_len) {
/* Clean up the half-a-mapping we just created... */
if (res->iov[i].iov_base) {
@@ -1151,7 +1156,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size,
}
/* ...and the mappings for previous loop iterations */
res->iov_cnt = i;
- virtio_gpu_cleanup_mapping(res);
+ virtio_gpu_cleanup_mapping(g, res);
pixman_image_unref(res->image);
g_free(res);
return -EINVAL;
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 22ac3c2..f95f8ce 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -158,10 +158,12 @@ void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g,
enum virtio_gpu_ctrl_type type);
void virtio_gpu_get_display_info(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
-int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
+int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
+ struct virtio_gpu_resource_attach_backing *ab,
struct virtio_gpu_ctrl_command *cmd,
uint64_t **addr, struct iovec **iov);
-void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
+void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
+ struct iovec *iov, uint32_t count);
void virtio_gpu_process_cmdq(VirtIOGPU *g);
/* virtio-gpu-3d.c */
--
1.8.3.1
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