Files
open-amp/lib/virtio/virtio.c
T
Arnaud Pouliquen a399378a5d virtio: remove deprecated virtio_describe() function
The function is deprecated since more than 2 years, remove it.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
2025-10-20 14:27:25 +02:00

98 lines
2.4 KiB
C

/*-
* Copyright (c) 2011, Bryan Venteicher <bryanv@FreeBSD.org>
* All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <openamp/virtio.h>
/*
* TODO :
* This structure may change depending on the types of devices we support.
*/
static const struct virtio_ident {
unsigned short devid;
const char *name;
} virtio_ident_table[] = {
{
VIRTIO_ID_NETWORK, "Network"}, {
VIRTIO_ID_BLOCK, "Block"}, {
VIRTIO_ID_CONSOLE, "Console"}, {
VIRTIO_ID_ENTROPY, "Entropy"}, {
VIRTIO_ID_BALLOON, "Balloon"}, {
VIRTIO_ID_IOMEMORY, "IOMemory"}, {
VIRTIO_ID_SCSI, "SCSI"}, {
VIRTIO_ID_9P, "9P Transport"}, {
VIRTIO_ID_MAC80211_WLAN, "MAC80211 WLAN"}, {
VIRTIO_ID_RPROC_SERIAL, "Remoteproc Serial"}, {
VIRTIO_ID_GPU, "GPU"}, {
VIRTIO_ID_INPUT, "Input"}, {
VIRTIO_ID_VSOCK, "Vsock Transport"}, {
VIRTIO_ID_SOUND, "Sound"}, {
VIRTIO_ID_FS, "File System"}, {
VIRTIO_ID_MAC80211_HWSIM, "MAC80211 HWSIM"}, {
VIRTIO_ID_I2C_ADAPTER, "I2C Adapter"}, {
VIRTIO_ID_BT, "Bluetooth"}, {
VIRTIO_ID_GPIO, "GPIO" }, {
0, NULL}
};
const char *virtio_dev_name(unsigned short devid)
{
const struct virtio_ident *ident;
for (ident = virtio_ident_table; ident->name; ident++) {
if (ident->devid == devid)
return ident->name;
}
return NULL;
}
int virtio_create_virtqueues(struct virtio_device *vdev, unsigned int flags,
unsigned int nvqs, const char *names[],
vq_callback callbacks[], void *callback_args[])
{
struct virtio_vring_info *vring_info;
struct vring_alloc_info *vring_alloc;
unsigned int num_vrings, i;
int ret;
(void)flags;
if (!vdev)
return -EINVAL;
if (vdev->func && vdev->func->create_virtqueues) {
return vdev->func->create_virtqueues(vdev, flags, nvqs,
names, callbacks, callback_args);
}
num_vrings = vdev->vrings_num;
if (nvqs > num_vrings)
return ERROR_VQUEUE_INVLD_PARAM;
/* Initialize virtqueue for each vring */
for (i = 0; i < nvqs; i++) {
vring_info = &vdev->vrings_info[i];
vring_alloc = &vring_info->info;
if (VIRTIO_ROLE_IS_DRIVER(vdev)) {
size_t offset;
struct metal_io_region *io = vring_info->io;
offset = metal_io_virt_to_offset(io,
vring_alloc->vaddr);
metal_io_block_set(io, offset, 0,
vring_size(vring_alloc->num_descs,
vring_alloc->align));
}
ret = virtqueue_create(vdev, i, names[i], vring_alloc,
callbacks[i], vdev->func->notify,
vring_info->vq);
if (ret)
return ret;
}
return 0;
}