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vhost-user-gpu: abstract vg_cleanup_mapping_iov

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Currently in vhost-user-gpu, we free resource directly in
the cleanup case of resource. If we change the cleanup logic
we need to change several places, also abstruct a
'vg_create_mapping_iov' can be symmetry with the
'vg_create_mapping_iov'. This is like what virtio-gpu does,
no function changed.

Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210516030403.107723-9-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang
2021-05-15 20:04:03 -07:00
committed by Gerd Hoffmann
parent 9f22893adc
commit 3ea32d1355
3 changed files with 26 additions and 9 deletions
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24
contrib/vhost-user-gpu/vhost-user-gpu.c
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@@ -49,6 +49,8 @@ static char *opt_render_node;
static gboolean opt_virgl;
static void vg_handle_ctrl(VuDev *dev, int qidx);
static void vg_cleanup_mapping(VuGpu *g,
struct virtio_gpu_simple_resource *res);
static const char *
vg_cmd_to_string(int cmd)
@@ -400,7 +402,7 @@ vg_resource_destroy(VuGpu *g,
}
vugbm_buffer_destroy(&res->buffer);
g_free(res->iov);
vg_cleanup_mapping(g, res);
pixman_image_unref(res->image);
QTAILQ_REMOVE(&g->reslist, res, next);
g_free(res);
@@ -504,6 +506,22 @@ vg_resource_attach_backing(VuGpu *g,
res->iov_cnt = ab.nr_entries;
}
/* Though currently only free iov, maybe later will do more work. */
void vg_cleanup_mapping_iov(VuGpu *g,
struct iovec *iov, uint32_t count)
{
g_free(iov);
}
static void
vg_cleanup_mapping(VuGpu *g,
struct virtio_gpu_simple_resource *res)
{
vg_cleanup_mapping_iov(g, res->iov, res->iov_cnt);
res->iov = NULL;
res->iov_cnt = 0;
}
static void
vg_resource_detach_backing(VuGpu *g,
struct virtio_gpu_ctrl_command *cmd)
@@ -522,9 +540,7 @@ vg_resource_detach_backing(VuGpu *g,
return;
}
g_free(res->iov);
res->iov = NULL;
res->iov_cnt = 0;
vg_cleanup_mapping(g, res);
}
static void