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virglrenderer/vtest/vtest_renderer.c

786 lines
19 KiB

/**************************************************************************
*
* Copyright (C) 2015 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
#include "virgl_hw.h"
#include "virglrenderer.h"
#include <sys/uio.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include "vtest.h"
#include "vtest_shm.h"
#include "vtest_protocol.h"
#include "util.h"
#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_hash_table.h"
static int ctx_id = 1;
static int fence_id = 1;
static int last_fence;
static void vtest_write_fence(UNUSED void *cookie, uint32_t fence_id_in)
{
last_fence = fence_id_in;
}
struct virgl_renderer_callbacks vtest_cbs = {
.version = 1,
.write_fence = vtest_write_fence,
};
struct vtest_renderer {
int in_fd;
int out_fd;
unsigned protocol_version;
struct util_hash_table *iovec_hash;
};
struct vtest_renderer renderer;
static unsigned
hash_func(void *key)
{
intptr_t ip = pointer_to_intptr(key);
return (unsigned)(ip & 0xffffffff);
}
static int
compare_iovecs(void *key1, void *key2)
{
if (key1 < key2) {
return -1;
} else if (key1 > key2) {
return 1;
} else {
return 0;
}
}
static void free_iovec(void *value)
{
struct iovec *iovec = value;
if (iovec->iov_base)
munmap(iovec->iov_base, iovec->iov_len);
free(iovec);
}
static int vtest_block_write(int fd, void *buf, int size)
{
void *ptr = buf;
int left;
int ret;
left = size;
do {
ret = write(fd, ptr, left);
if (ret < 0) {
return -errno;
}
left -= ret;
ptr += ret;
} while (left);
return size;
}
int vtest_block_read(int fd, void *buf, int size)
{
void *ptr = buf;
int left;
int ret;
static int savefd = -1;
left = size;
do {
ret = read(fd, ptr, left);
if (ret <= 0) {
return ret == -1 ? -errno : 0;
}
left -= ret;
ptr += ret;
} while (left);
if (getenv("VTEST_SAVE")) {
if (savefd == -1) {
savefd = open(getenv("VTEST_SAVE"),
O_CLOEXEC|O_CREAT|O_WRONLY|O_TRUNC|O_DSYNC, S_IRUSR|S_IWUSR);
if (savefd == -1) {
perror("error opening save file");
exit(1);
}
}
if (write(savefd, buf, size) != size) {
perror("failed to save");
exit(1);
}
}
return size;
}
static int vtest_send_fd(int socket_fd, int fd)
{
struct iovec iovec;
char buf[CMSG_SPACE(sizeof(int))], c;
struct msghdr msgh = { 0 };
memset(buf, 0, sizeof(buf));
iovec.iov_base = &c;
iovec.iov_len = sizeof(char);
msgh.msg_name = NULL;
msgh.msg_namelen = 0;
msgh.msg_iov = &iovec;
msgh.msg_iovlen = 1;
msgh.msg_control = buf;
msgh.msg_controllen = sizeof(buf);
msgh.msg_flags = 0;
struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msgh);
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
*((int *) CMSG_DATA(cmsg)) = fd;
int size = sendmsg(socket_fd, &msgh, 0);
if (size < 0) {
return report_failure("Failed to send fd", -EINVAL);
}
return 0;
}
int vtest_create_renderer(int in_fd, int out_fd, uint32_t length,
int ctx_flags)
{
char *vtestname;
int ret;
renderer.iovec_hash = util_hash_table_create(hash_func, compare_iovecs, free_iovec);
renderer.in_fd = in_fd;
renderer.out_fd = out_fd;
/* By default we support version 0 unless VCMD_PROTOCOL_VERSION is sent */
renderer.protocol_version = 0;
ret = virgl_renderer_init(&renderer,
ctx_flags | VIRGL_RENDERER_THREAD_SYNC, &vtest_cbs);
if (ret) {
fprintf(stderr, "failed to initialise renderer.\n");
return -1;
}
vtestname = calloc(1, length + 1);
if (!vtestname) {
return -1;
}
ret = vtest_block_read(renderer.in_fd, vtestname, length);
if (ret != (int)length) {
ret = -1;
goto end;
}
ret = virgl_renderer_context_create(ctx_id, strlen(vtestname), vtestname);
end:
free(vtestname);
return ret;
}
int vtest_ping_protocol_version(UNUSED uint32_t length_dw)
{
uint32_t hdr_buf[VTEST_HDR_SIZE];
int ret;
hdr_buf[VTEST_CMD_LEN] = VCMD_PING_PROTOCOL_VERSION_SIZE;
hdr_buf[VTEST_CMD_ID] = VCMD_PING_PROTOCOL_VERSION;
ret = vtest_block_write(renderer.out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
return 0;
}
int vtest_protocol_version(UNUSED uint32_t length_dw)
{
uint32_t hdr_buf[VTEST_HDR_SIZE];
uint32_t version_buf[VCMD_PROTOCOL_VERSION_SIZE];
int ret;
ret = vtest_block_read(renderer.in_fd, &version_buf, sizeof(version_buf));
if (ret != sizeof(version_buf))
return -1;
renderer.protocol_version = MIN2(version_buf[VCMD_PROTOCOL_VERSION_VERSION],
VTEST_PROTOCOL_VERSION);
/*
* We've deprecated protocol version 1. All of it's called sites are being
* moved protocol version 2. If the server supports version 2 and the guest
* supports verison 1, fall back to version 0.
*/
if (renderer.protocol_version == 1) {
printf("Older guest Mesa detected, fallbacking to protocol version 0\n");
renderer.protocol_version = 0;
}
/* Protocol version 2 requires shm support. */
if (!vtest_shm_check()) {
printf("Shared memory not supported, fallbacking to protocol version 0\n");
renderer.protocol_version = 0;
}
hdr_buf[VTEST_CMD_LEN] = VCMD_PROTOCOL_VERSION_SIZE;
hdr_buf[VTEST_CMD_ID] = VCMD_PROTOCOL_VERSION;
version_buf[VCMD_PROTOCOL_VERSION_VERSION] = renderer.protocol_version;
ret = vtest_block_write(renderer.out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
ret = vtest_block_write(renderer.out_fd, version_buf, sizeof(version_buf));
if (ret < 0) {
return ret;
}
return 0;
}
void vtest_destroy_renderer(void)
{
virgl_renderer_context_destroy(ctx_id);
virgl_renderer_cleanup(&renderer);
renderer.in_fd = -1;
renderer.out_fd = -1;
}
int vtest_send_caps2(UNUSED uint32_t length_dw)
{
uint32_t hdr_buf[2];
void *caps_buf;
int ret;
uint32_t max_ver, max_size;
virgl_renderer_get_cap_set(2, &max_ver, &max_size);
if (max_size == 0) {
return -1;
}
caps_buf = malloc(max_size);
if (!caps_buf) {
return -1;
}
virgl_renderer_fill_caps(2, 1, caps_buf);
hdr_buf[0] = max_size + 1;
hdr_buf[1] = 2;
ret = vtest_block_write(renderer.out_fd, hdr_buf, 8);
if (ret < 0) {
goto end;
}
vtest_block_write(renderer.out_fd, caps_buf, max_size);
if (ret < 0) {
goto end;
}
end:
free(caps_buf);
return 0;
}
int vtest_send_caps(UNUSED uint32_t length_dw)
{
uint32_t max_ver, max_size;
void *caps_buf;
uint32_t hdr_buf[2];
int ret;
virgl_renderer_get_cap_set(1, &max_ver, &max_size);
caps_buf = malloc(max_size);
if (!caps_buf) {
return -1;
}
virgl_renderer_fill_caps(1, 1, caps_buf);
hdr_buf[0] = max_size + 1;
hdr_buf[1] = 1;
ret = vtest_block_write(renderer.out_fd, hdr_buf, 8);
if (ret < 0) {
goto end;
}
vtest_block_write(renderer.out_fd, caps_buf, max_size);
if (ret < 0) {
goto end;
}
end:
free(caps_buf);
return 0;
}
int vtest_create_resource(UNUSED uint32_t length_dw)
{
uint32_t res_create_buf[VCMD_RES_CREATE_SIZE];
struct virgl_renderer_resource_create_args args;
int ret;
ret = vtest_block_read(renderer.in_fd, &res_create_buf, sizeof(res_create_buf));
if (ret != sizeof(res_create_buf)) {
return -1;
}
args.handle = res_create_buf[VCMD_RES_CREATE_RES_HANDLE];
args.target = res_create_buf[VCMD_RES_CREATE_TARGET];
args.format = res_create_buf[VCMD_RES_CREATE_FORMAT];
args.bind = res_create_buf[VCMD_RES_CREATE_BIND];
args.width = res_create_buf[VCMD_RES_CREATE_WIDTH];
args.height = res_create_buf[VCMD_RES_CREATE_HEIGHT];
args.depth = res_create_buf[VCMD_RES_CREATE_DEPTH];
args.array_size = res_create_buf[VCMD_RES_CREATE_ARRAY_SIZE];
args.last_level = res_create_buf[VCMD_RES_CREATE_LAST_LEVEL];
args.nr_samples = res_create_buf[VCMD_RES_CREATE_NR_SAMPLES];
args.flags = 0;
ret = virgl_renderer_resource_create(&args, NULL, 0);
virgl_renderer_ctx_attach_resource(ctx_id, args.handle);
return ret;
}
int vtest_create_resource2(UNUSED uint32_t length_dw)
{
uint32_t res_create_buf[VCMD_RES_CREATE2_SIZE];
struct virgl_renderer_resource_create_args args;
struct iovec *iovec;
int ret, fd;
ret = vtest_block_read(renderer.in_fd, &res_create_buf, sizeof(res_create_buf));
if (ret != sizeof(res_create_buf)) {
return -1;
}
args.handle = res_create_buf[VCMD_RES_CREATE2_RES_HANDLE];
args.target = res_create_buf[VCMD_RES_CREATE2_TARGET];
args.format = res_create_buf[VCMD_RES_CREATE2_FORMAT];
args.bind = res_create_buf[VCMD_RES_CREATE2_BIND];
args.width = res_create_buf[VCMD_RES_CREATE2_WIDTH];
args.height = res_create_buf[VCMD_RES_CREATE2_HEIGHT];
args.depth = res_create_buf[VCMD_RES_CREATE2_DEPTH];
args.array_size = res_create_buf[VCMD_RES_CREATE2_ARRAY_SIZE];
args.last_level = res_create_buf[VCMD_RES_CREATE2_LAST_LEVEL];
args.nr_samples = res_create_buf[VCMD_RES_CREATE2_NR_SAMPLES];
args.flags = 0;
// Check that the handle doesn't already exist.
if (util_hash_table_get(renderer.iovec_hash, intptr_to_pointer(args.handle))) {
return -EEXIST;
}
ret = virgl_renderer_resource_create(&args, NULL, 0);
if (ret)
return report_failed_call("virgl_renderer_resource_create", ret);
virgl_renderer_ctx_attach_resource(ctx_id, args.handle);
iovec = CALLOC_STRUCT(iovec);
if (!iovec) {
return -ENOMEM;
}
iovec->iov_len = res_create_buf[VCMD_RES_CREATE2_DATA_SIZE];
/* Multi-sample textures have no backing store, but an associated GL resource. */
if (iovec->iov_len == 0) {
iovec->iov_base = NULL;
goto out;
}
fd = vtest_new_shm(args.handle, iovec->iov_len);
if (fd < 0) {
FREE(iovec);
return report_failed_call("vtest_new_shm", fd);
}
iovec->iov_base = mmap(NULL, iovec->iov_len, PROT_WRITE | PROT_READ,
MAP_SHARED, fd, 0);
if (iovec->iov_base == MAP_FAILED) {
close(fd);
FREE(iovec);
return -ENOMEM;
}
ret = vtest_send_fd(renderer.out_fd, fd);
if (ret < 0) {
close(fd);
munmap(iovec->iov_base, iovec->iov_len);
return report_failed_call("vtest_send_fd", ret);
}
/* Closing the file descriptor does not unmap the region. */
close(fd);
out:
virgl_renderer_resource_attach_iov(args.handle, iovec, 1);
util_hash_table_set(renderer.iovec_hash, intptr_to_pointer(args.handle), iovec);
return 0;
}
int vtest_resource_unref(UNUSED uint32_t length_dw)
{
uint32_t res_unref_buf[VCMD_RES_UNREF_SIZE];
int ret;
uint32_t handle;
ret = vtest_block_read(renderer.in_fd, &res_unref_buf, sizeof(res_unref_buf));
if (ret != sizeof(res_unref_buf)) {
return -1;
}
handle = res_unref_buf[VCMD_RES_UNREF_RES_HANDLE];
virgl_renderer_ctx_attach_resource(ctx_id, handle);
virgl_renderer_resource_detach_iov(handle, NULL, NULL);
util_hash_table_remove(renderer.iovec_hash, intptr_to_pointer(handle));
virgl_renderer_resource_unref(handle);
return 0;
}
int vtest_submit_cmd(uint32_t length_dw)
{
uint32_t *cbuf;
int ret;
if (length_dw > UINT_MAX / 4) {
return -1;
}
cbuf = malloc(length_dw * 4);
if (!cbuf) {
return -1;
}
ret = vtest_block_read(renderer.in_fd, cbuf, length_dw * 4);
if (ret != (int)length_dw * 4) {
free(cbuf);
return -1;
}
virgl_renderer_submit_cmd(cbuf, ctx_id, length_dw);
free(cbuf);
return 0;
}
#define DECODE_TRANSFER \
do { \
handle = thdr_buf[VCMD_TRANSFER_RES_HANDLE]; \
level = thdr_buf[VCMD_TRANSFER_LEVEL]; \
stride = thdr_buf[VCMD_TRANSFER_STRIDE]; \
layer_stride = thdr_buf[VCMD_TRANSFER_LAYER_STRIDE]; \
box.x = thdr_buf[VCMD_TRANSFER_X]; \
box.y = thdr_buf[VCMD_TRANSFER_Y]; \
box.z = thdr_buf[VCMD_TRANSFER_Z]; \
box.w = thdr_buf[VCMD_TRANSFER_WIDTH]; \
box.h = thdr_buf[VCMD_TRANSFER_HEIGHT]; \
box.d = thdr_buf[VCMD_TRANSFER_DEPTH]; \
data_size = thdr_buf[VCMD_TRANSFER_DATA_SIZE]; \
} while(0)
int vtest_transfer_get(UNUSED uint32_t length_dw)
{
uint32_t thdr_buf[VCMD_TRANSFER_HDR_SIZE];
int ret;
int level;
uint32_t stride, layer_stride, handle;
struct virgl_box box;
uint32_t data_size;
void *ptr;
struct iovec iovec;
ret = vtest_block_read(renderer.in_fd, thdr_buf, VCMD_TRANSFER_HDR_SIZE * 4);
if (ret != VCMD_TRANSFER_HDR_SIZE * 4) {
return ret;
}
DECODE_TRANSFER;
ptr = malloc(data_size);
if (!ptr) {
return -ENOMEM;
}
iovec.iov_len = data_size;
iovec.iov_base = ptr;
ret = virgl_renderer_transfer_read_iov(handle,
ctx_id,
level,
stride,
layer_stride,
&box,
0,
&iovec, 1);
if (ret) {
fprintf(stderr," transfer read failed %d\n", ret);
}
ret = vtest_block_write(renderer.out_fd, ptr, data_size);
free(ptr);
return ret < 0 ? ret : 0;
}
int vtest_transfer_put(UNUSED uint32_t length_dw)
{
uint32_t thdr_buf[VCMD_TRANSFER_HDR_SIZE];
int ret;
int level;
uint32_t stride, layer_stride, handle;
struct virgl_box box;
uint32_t data_size;
void *ptr;
struct iovec iovec;
ret = vtest_block_read(renderer.in_fd, thdr_buf, VCMD_TRANSFER_HDR_SIZE * 4);
if (ret != VCMD_TRANSFER_HDR_SIZE * 4) {
return ret;
}
DECODE_TRANSFER;
ptr = malloc(data_size);
if (!ptr) {
return -ENOMEM;
}
ret = vtest_block_read(renderer.in_fd, ptr, data_size);
if (ret < 0) {
return ret;
}
iovec.iov_len = data_size;
iovec.iov_base = ptr;
ret = virgl_renderer_transfer_write_iov(handle,
ctx_id,
level,
stride,
layer_stride,
&box,
0,
&iovec, 1);
if (ret) {
fprintf(stderr," transfer write failed %d\n", ret);
}
free(ptr);
return 0;
}
#define DECODE_TRANSFER2 \
do { \
handle = thdr_buf[VCMD_TRANSFER2_RES_HANDLE]; \
level = thdr_buf[VCMD_TRANSFER2_LEVEL]; \
box.x = thdr_buf[VCMD_TRANSFER2_X]; \
box.y = thdr_buf[VCMD_TRANSFER2_Y]; \
box.z = thdr_buf[VCMD_TRANSFER2_Z]; \
box.w = thdr_buf[VCMD_TRANSFER2_WIDTH]; \
box.h = thdr_buf[VCMD_TRANSFER2_HEIGHT]; \
box.d = thdr_buf[VCMD_TRANSFER2_DEPTH]; \
offset = thdr_buf[VCMD_TRANSFER2_OFFSET]; \
} while(0)
int vtest_transfer_get2(UNUSED uint32_t length_dw)
{
uint32_t thdr_buf[VCMD_TRANSFER2_HDR_SIZE];
int ret;
int level;
uint32_t handle;
struct virgl_box box;
uint32_t offset;
struct iovec *iovec;
ret = vtest_block_read(renderer.in_fd, thdr_buf, sizeof(thdr_buf));
if (ret != sizeof(thdr_buf)) {
return ret;
}
DECODE_TRANSFER2;
iovec = util_hash_table_get(renderer.iovec_hash, intptr_to_pointer(handle));
if (!iovec) {
return report_failed_call("util_hash_table_get", -ESRCH);
}
if (offset >= iovec->iov_len) {
return report_failure("offset larger then length of backing store", -EFAULT);
}
ret = virgl_renderer_transfer_read_iov(handle,
ctx_id,
level,
0,
0,
&box,
offset,
NULL, 0);
if (ret) {
return report_failed_call("virgl_renderer_transfer_read_iov", ret);
}
return 0;
}
int vtest_transfer_put2(UNUSED uint32_t length_dw)
{
uint32_t thdr_buf[VCMD_TRANSFER2_HDR_SIZE];
int ret;
int level;
uint32_t handle;
struct virgl_box box;
UNUSED uint32_t data_size;
uint32_t offset;
struct iovec *iovec;
ret = vtest_block_read(renderer.in_fd, thdr_buf, sizeof(thdr_buf));
if (ret != sizeof(thdr_buf)) {
return ret;
}
DECODE_TRANSFER2;
iovec = util_hash_table_get(renderer.iovec_hash, intptr_to_pointer(handle));
if (!iovec) {
return report_failed_call("util_hash_table_get", -ESRCH);
}
ret = virgl_renderer_transfer_write_iov(handle,
ctx_id,
level,
0,
0,
&box,
offset,
NULL, 0);
if (ret) {
return report_failed_call("virgl_renderer_transfer_write_iov", ret);
}
return 0;
}
int vtest_resource_busy_wait(UNUSED uint32_t length_dw)
{
uint32_t bw_buf[VCMD_BUSY_WAIT_SIZE];
int ret, fd;
int flags;
uint32_t hdr_buf[VTEST_HDR_SIZE];
uint32_t reply_buf[1];
bool busy = false;
ret = vtest_block_read(renderer.in_fd, &bw_buf, sizeof(bw_buf));
if (ret != sizeof(bw_buf)) {
return -1;
}
/* handle = bw_buf[VCMD_BUSY_WAIT_HANDLE]; unused as of now */
flags = bw_buf[VCMD_BUSY_WAIT_FLAGS];
if (flags == VCMD_BUSY_WAIT_FLAG_WAIT) {
do {
if (last_fence == (fence_id - 1)) {
break;
}
fd = virgl_renderer_get_poll_fd();
if (fd != -1) {
vtest_wait_for_fd_read(fd);
}
virgl_renderer_poll();
} while (1);
busy = false;
} else {
busy = last_fence != (fence_id - 1);
}
hdr_buf[VTEST_CMD_LEN] = 1;
hdr_buf[VTEST_CMD_ID] = VCMD_RESOURCE_BUSY_WAIT;
reply_buf[0] = busy ? 1 : 0;
ret = vtest_block_write(renderer.out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
ret = vtest_block_write(renderer.out_fd, reply_buf, sizeof(reply_buf));
if (ret < 0) {
return ret;
}
return 0;
}
int vtest_renderer_create_fence(void)
{
virgl_renderer_create_fence(fence_id++, ctx_id);
return 0;
}
int vtest_poll(void)
{
virgl_renderer_poll();
return 0;
}