Displaying 6 results from an estimated 6 matches for "available_len".
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available_end
2017 Dec 14
2
[PATCH] drm/virtio: Add window server support
...n_unlock(&conn->lock);
+
+ return mask;
+}
+
+static int winsrv_ioctl_rx(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_winsrv_conn *conn,
+ struct drm_virtgpu_winsrv *cmd)
+{
+ struct virtio_gpu_winsrv_rx_qentry *qentry, *tmp;
+ struct virtio_gpu_winsrv_rx *virtio_cmd;
+ int available_len = cmd->len;
+ int read_count = 0;
+
+ list_for_each_entry_safe(qentry, tmp, &conn->cmdq, next) {
+ virtio_cmd = qentry->cmd;
+ if (virtio_cmd->len > available_len)
+ return 0;
+
+ if (copy_to_user((void *)cmd->data + read_count,
+ virtio_cmd->data,
+ virtio_cmd...
2017 Dec 14
2
[PATCH] drm/virtio: Add window server support
...n_unlock(&conn->lock);
+
+ return mask;
+}
+
+static int winsrv_ioctl_rx(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_winsrv_conn *conn,
+ struct drm_virtgpu_winsrv *cmd)
+{
+ struct virtio_gpu_winsrv_rx_qentry *qentry, *tmp;
+ struct virtio_gpu_winsrv_rx *virtio_cmd;
+ int available_len = cmd->len;
+ int read_count = 0;
+
+ list_for_each_entry_safe(qentry, tmp, &conn->cmdq, next) {
+ virtio_cmd = qentry->cmd;
+ if (virtio_cmd->len > available_len)
+ return 0;
+
+ if (copy_to_user((void *)cmd->data + read_count,
+ virtio_cmd->data,
+ virtio_cmd...
2018 Jan 26
3
[PATCH v3 0/2] drm/virtio: Add window server support
Hi,
this work is based on the virtio_wl driver in the ChromeOS kernel by
Zach Reizner, currently at:
https://chromium.googlesource.com/chromiumos/third_party/kernel/+/chromeos-4.4/drivers/virtio/virtio_wl.c
There's one feature missing currently, which is letting clients write
directly to the host part of a resource, so the extra copy in
TRANSFER_TO_HOST isn't needed.
Have pushed the
2017 Dec 28
3
[PATCH] drm/virtio: Add window server support
...n_unlock(&conn->lock);
+
+ return mask;
+}
+
+static int winsrv_ioctl_rx(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_winsrv_conn *conn,
+ struct drm_virtgpu_winsrv *cmd)
+{
+ struct virtio_gpu_winsrv_rx_qentry *qentry, *tmp;
+ struct virtio_gpu_winsrv_rx *virtio_cmd;
+ int available_len = cmd->len;
+ int read_count = 0;
+
+ list_for_each_entry_safe(qentry, tmp, &conn->cmdq, next) {
+ virtio_cmd = qentry->cmd;
+ if (virtio_cmd->len > available_len)
+ return 0;
+
+ if (copy_to_user((void __user *)cmd->data + read_count,
+ virtio_cmd->data,
+ vir...
2017 Dec 28
3
[PATCH] drm/virtio: Add window server support
...n_unlock(&conn->lock);
+
+ return mask;
+}
+
+static int winsrv_ioctl_rx(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_winsrv_conn *conn,
+ struct drm_virtgpu_winsrv *cmd)
+{
+ struct virtio_gpu_winsrv_rx_qentry *qentry, *tmp;
+ struct virtio_gpu_winsrv_rx *virtio_cmd;
+ int available_len = cmd->len;
+ int read_count = 0;
+
+ list_for_each_entry_safe(qentry, tmp, &conn->cmdq, next) {
+ virtio_cmd = qentry->cmd;
+ if (virtio_cmd->len > available_len)
+ return 0;
+
+ if (copy_to_user((void __user *)cmd->data + read_count,
+ virtio_cmd->data,
+ vir...
2018 Jan 26
0
[PATCH v3 1/2] drm/virtio: Add window server support
...n_unlock(&conn->lock);
+
+ return mask;
+}
+
+static int winsrv_ioctl_rx(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_winsrv_conn *conn,
+ struct drm_virtgpu_winsrv *cmd)
+{
+ struct virtio_gpu_winsrv_rx_qentry *qentry, *tmp;
+ struct virtio_gpu_winsrv_rx *virtio_cmd;
+ int available_len = cmd->len;
+ int read_count = 0;
+
+ list_for_each_entry_safe(qentry, tmp, &conn->cmdq, next) {
+ virtio_cmd = qentry->cmd;
+ if (virtio_cmd->len > available_len)
+ return 0;
+
+ if (copy_to_user((void __user *)cmd->data + read_count,
+ virtio_cmd->data,
+ vir...