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virglrenderer/vtest/vtest_renderer.c

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/**************************************************************************
*
* 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.
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.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>
#ifdef HAVE_EVENTFD_H
#include <sys/eventfd.h>
#endif
#include "vtest.h"
#include "vtest_shm.h"
#include "vtest_protocol.h"
#include "util.h"
#include "util/u_debug.h"
#include "util/u_double_list.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_hash_table.h"
#define VTEST_MAX_SYNC_QUEUE_COUNT 64
struct vtest_resource {
struct list_head head;
uint32_t server_res_id;
uint32_t res_id;
struct iovec iov;
};
struct vtest_sync {
struct list_head head;
int sync_id;
int refcount;
uint64_t value;
};
struct vtest_sync_queue {
struct list_head submits;
};
struct vtest_sync_queue_submit {
struct list_head head;
struct vtest_sync_queue *sync_queue;
uint32_t count;
struct vtest_sync **syncs;
uint64_t *values;
};
struct vtest_sync_wait {
struct list_head head;
int fd;
uint32_t flags;
uint64_t valid_before;
uint32_t count;
struct vtest_sync **syncs;
uint64_t *values;
uint32_t signaled_count;
};
struct vtest_context {
struct list_head head;
int ctx_id;
struct vtest_input *input;
int out_fd;
char *debug_name;
unsigned protocol_version;
unsigned capset_id;
bool context_initialized;
struct util_hash_table *resource_table;
struct util_hash_table *sync_table;
struct vtest_sync_queue sync_queues[VTEST_MAX_SYNC_QUEUE_COUNT];
struct list_head sync_waits;
};
struct vtest_renderer {
const char *rendernode_name;
bool multi_clients;
uint32_t ctx_flags;
uint32_t max_length;
int implicit_fence_submitted;
int implicit_fence_completed;
struct list_head active_contexts;
struct list_head free_contexts;
int next_context_id;
struct list_head free_resources;
int next_resource_id;
struct list_head free_syncs;
int next_sync_id;
struct vtest_context *current_context;
};
/*
* VCMD_RESOURCE_BUSY_WAIT is used to wait GPU works (VCMD_SUBMIT_CMD) or CPU
* works (VCMD_TRANSFER_GET2). A fence is needed only for GPU works.
*/
static void vtest_create_implicit_fence(struct vtest_renderer *renderer)
{
virgl_renderer_create_fence(++renderer->implicit_fence_submitted, 0);
}
static void vtest_write_implicit_fence(UNUSED void *cookie, uint32_t fence_id_in)
{
struct vtest_renderer *renderer = (struct vtest_renderer*)cookie;
renderer->implicit_fence_completed = fence_id_in;
}
static void vtest_signal_sync_queue(struct vtest_sync_queue *queue,
struct vtest_sync_queue_submit *to_submit);
static void vtest_write_context_fence(UNUSED void *cookie,
UNUSED uint32_t ctx_id,
UNUSED uint64_t queue_id,
void *fence_cookie)
{
struct vtest_sync_queue_submit *submit = fence_cookie;
vtest_signal_sync_queue(submit->sync_queue, submit);
}
static int vtest_get_drm_fd(void *cookie)
{
int fd = -1;
struct vtest_renderer *renderer = (struct vtest_renderer*)cookie;
if (!renderer->rendernode_name)
return -1;
fd = open(renderer->rendernode_name, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK);
if (fd == -1)
fprintf(stderr, "Unable to open rendernode '%s' falling back to default search\n",
renderer->rendernode_name);
return fd;
}
static struct virgl_renderer_callbacks renderer_cbs = {
.version = VIRGL_RENDERER_CALLBACKS_VERSION,
.write_fence = vtest_write_implicit_fence,
.get_drm_fd = vtest_get_drm_fd,
.write_context_fence = vtest_write_context_fence,
};
static struct vtest_renderer renderer = {
.max_length = UINT_MAX,
.next_context_id = 1,
.next_resource_id = 1,
.next_sync_id = 1,
};
static struct vtest_resource *vtest_new_resource(uint32_t client_res_id)
{
struct vtest_resource *res;
if (LIST_IS_EMPTY(&renderer.free_resources)) {
res = malloc(sizeof(*res));
if (!res) {
return NULL;
}
res->server_res_id = renderer.next_resource_id++;
} else {
res = LIST_ENTRY(struct vtest_resource, renderer.free_resources.next, head);
list_del(&res->head);
}
res->res_id = client_res_id ? client_res_id : res->server_res_id;
res->iov.iov_base = NULL;
res->iov.iov_len = 0;
return res;
}
static void vtest_unref_resource(struct vtest_resource *res)
{
/* virgl_renderer_ctx_detach_resource and virgl_renderer_resource_detach_iov
* are implied
*/
virgl_renderer_resource_unref(res->res_id);
if (res->iov.iov_base)
munmap(res->iov.iov_base, res->iov.iov_len);
list_add(&res->head, &renderer.free_resources);
}
static struct vtest_sync *vtest_new_sync(uint64_t value)
{
struct vtest_sync *sync;
if (LIST_IS_EMPTY(&renderer.free_syncs)) {
sync = malloc(sizeof(*sync));
if (!sync) {
return NULL;
}
sync->sync_id = renderer.next_sync_id++;
} else {
sync = LIST_ENTRY(struct vtest_sync, renderer.free_syncs.next, head);
list_del(&sync->head);
}
sync->refcount = 1;
sync->value = value;
return sync;
}
static struct vtest_sync *vtest_ref_sync(struct vtest_sync *sync)
{
sync->refcount++;
return sync;
}
static void vtest_unref_sync(struct vtest_sync *sync)
{
assert(sync->refcount);
sync->refcount--;
if (sync->refcount)
return;
list_add(&sync->head, &renderer.free_syncs);
}
static void vtest_free_sync_queue_submit(struct vtest_sync_queue_submit *submit)
{
uint32_t i;
for (i = 0; i < submit->count; i++)
vtest_unref_sync(submit->syncs[i]);
free(submit);
}
static void vtest_free_sync_wait(struct vtest_sync_wait *wait)
{
uint32_t i;
for (i = 0; i < wait->count; i++) {
if (wait->syncs[i])
vtest_unref_sync(wait->syncs[i]);
}
close(wait->fd);
free(wait);
}
static unsigned
u32_hash_func(void *key)
{
intptr_t ip = pointer_to_intptr(key);
return (unsigned)(ip & 0xffffffff);
}
static int
u32_compare_func(void *key1, void *key2)
{
if (key1 < key2) {
return -1;
} else if (key1 > key2) {
return 1;
} else {
return 0;
}
}
static void
resource_destroy_func(void *value)
{
struct vtest_resource *res = value;
vtest_unref_resource(res);
}
static void
sync_destroy_func(void *value)
{
struct vtest_sync *sync = value;
vtest_unref_sync(sync);
}
static int vtest_block_write(int fd, void *buf, int size)
{
char *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(struct vtest_input *input, void *buf, int size)
{
int fd = input->data.fd;
char *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))];
char c = 0;
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_buf_read(struct vtest_input *input, void *buf, int size)
{
struct vtest_buffer *inbuf = input->data.buffer;
if (size > inbuf->size) {
return 0;
}
memcpy(buf, inbuf->buffer, size);
inbuf->buffer += size;
inbuf->size -= size;
return size;
}
int vtest_init_renderer(bool multi_clients,
int ctx_flags,
const char *render_device)
{
int ret;
renderer.rendernode_name = render_device;
list_inithead(&renderer.active_contexts);
list_inithead(&renderer.free_contexts);
list_inithead(&renderer.free_resources);
list_inithead(&renderer.free_syncs);
ctx_flags |= VIRGL_RENDERER_THREAD_SYNC |
VIRGL_RENDERER_USE_EXTERNAL_BLOB;
ret = virgl_renderer_init(&renderer, ctx_flags, &renderer_cbs);
if (ret) {
fprintf(stderr, "failed to initialise renderer.\n");
return -1;
}
renderer.multi_clients = multi_clients;
renderer.ctx_flags = ctx_flags;
return 0;
}
static void vtest_free_context(struct vtest_context *ctx, bool cleanup);
void vtest_cleanup_renderer(void)
{
if (renderer.next_context_id > 1) {
struct vtest_context *ctx, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(ctx, tmp, &renderer.active_contexts, head) {
vtest_destroy_context(ctx);
}
LIST_FOR_EACH_ENTRY_SAFE(ctx, tmp, &renderer.free_contexts, head) {
vtest_free_context(ctx, true);
}
list_inithead(&renderer.active_contexts);
list_inithead(&renderer.free_contexts);
renderer.next_context_id = 1;
renderer.current_context = NULL;
}
if (renderer.next_resource_id > 1) {
struct vtest_resource *res, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(res, tmp, &renderer.free_resources, head) {
free(res);
}
list_inithead(&renderer.free_resources);
renderer.next_resource_id = 1;
}
if (renderer.next_sync_id > 1) {
struct vtest_sync *sync, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(sync, tmp, &renderer.free_syncs, head) {
assert(!sync->refcount);
free(sync);
}
list_inithead(&renderer.free_syncs);
renderer.next_sync_id = 1;
}
virgl_renderer_cleanup(&renderer);
}
static struct vtest_context *vtest_new_context(struct vtest_input *input,
int out_fd)
{
struct vtest_context *ctx;
if (LIST_IS_EMPTY(&renderer.free_contexts)) {
uint32_t i;
ctx = malloc(sizeof(*ctx));
if (!ctx) {
return NULL;
}
ctx->resource_table = util_hash_table_create(u32_hash_func,
u32_compare_func,
resource_destroy_func);
if (!ctx->resource_table) {
free(ctx);
return NULL;
}
ctx->sync_table = util_hash_table_create(u32_hash_func,
u32_compare_func,
sync_destroy_func);
if (!ctx->sync_table) {
util_hash_table_destroy(ctx->resource_table);
free(ctx);
return NULL;
}
for (i = 0; i < VTEST_MAX_SYNC_QUEUE_COUNT; i++) {
struct vtest_sync_queue *queue = &ctx->sync_queues[i];
list_inithead(&queue->submits);
}
list_inithead(&ctx->sync_waits);
ctx->ctx_id = renderer.next_context_id++;
} else {
ctx = LIST_ENTRY(struct vtest_context, renderer.free_contexts.next, head);
list_del(&ctx->head);
}
ctx->input = input;
ctx->out_fd = out_fd;
ctx->debug_name = NULL;
/* By default we support version 0 unless VCMD_PROTOCOL_VERSION is sent */
ctx->protocol_version = 0;
ctx->capset_id = 0;
ctx->context_initialized = false;
return ctx;
}
static void vtest_free_context(struct vtest_context *ctx, bool cleanup)
{
if (cleanup) {
util_hash_table_destroy(ctx->resource_table);
util_hash_table_destroy(ctx->sync_table);
free(ctx);
} else {
list_add(&ctx->head, &renderer.free_contexts);
}
}
int vtest_create_context(struct vtest_input *input, int out_fd,
uint32_t length, struct vtest_context **out_ctx)
{
struct vtest_context *ctx;
char *vtestname;
int ret;
if (length > 1024 * 1024) {
return -1;
}
ctx = vtest_new_context(input, out_fd);
if (!ctx) {
return -1;
}
vtestname = calloc(1, length + 1);
if (!vtestname) {
ret = -1;
goto err;
}
ret = ctx->input->read(ctx->input, vtestname, length);
if (ret != (int)length) {
ret = -1;
goto err;
}
ctx->debug_name = vtestname;
list_addtail(&ctx->head, &renderer.active_contexts);
*out_ctx = ctx;
return 0;
err:
free(vtestname);
vtest_free_context(ctx, false);
return ret;
}
int vtest_lazy_init_context(struct vtest_context *ctx)
{
int ret;
if (ctx->context_initialized)
return 0;
if (renderer.multi_clients && ctx->protocol_version < 3)
return report_failed_call("protocol version too low", -EINVAL);
if (ctx->capset_id) {
ret = virgl_renderer_context_create_with_flags(ctx->ctx_id,
ctx->capset_id,
strlen(ctx->debug_name),
ctx->debug_name);
} else {
ret = virgl_renderer_context_create(ctx->ctx_id,
strlen(ctx->debug_name),
ctx->debug_name);
}
ctx->context_initialized = (ret == 0);
return ret;
}
void vtest_destroy_context(struct vtest_context *ctx)
{
struct vtest_sync_wait *wait, *wait_tmp;
uint32_t i;
if (renderer.current_context == ctx) {
renderer.current_context = NULL;
}
list_del(&ctx->head);
for (i = 0; i < VTEST_MAX_SYNC_QUEUE_COUNT; i++) {
struct vtest_sync_queue *queue = &ctx->sync_queues[i];
struct vtest_sync_queue_submit *submit, *submit_tmp;
LIST_FOR_EACH_ENTRY_SAFE(submit, submit_tmp, &queue->submits, head)
vtest_free_sync_queue_submit(submit);
list_inithead(&queue->submits);
}
LIST_FOR_EACH_ENTRY_SAFE(wait, wait_tmp, &ctx->sync_waits, head) {
list_del(&wait->head);
vtest_free_sync_wait(wait);
}
list_inithead(&ctx->sync_waits);
free(ctx->debug_name);
if (ctx->context_initialized)
virgl_renderer_context_destroy(ctx->ctx_id);
util_hash_table_clear(ctx->resource_table);
util_hash_table_clear(ctx->sync_table);
vtest_free_context(ctx, false);
}
void vtest_poll_context(struct vtest_context *ctx)
{
virgl_renderer_context_poll(ctx->ctx_id);
}
int vtest_get_context_poll_fd(struct vtest_context *ctx)
{
return virgl_renderer_context_get_poll_fd(ctx->ctx_id);
}
void vtest_set_current_context(struct vtest_context *ctx)
{
renderer.current_context = ctx;
}
static struct vtest_context *vtest_get_current_context(void)
{
return renderer.current_context;
}
int vtest_ping_protocol_version(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
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(ctx->out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
return 0;
}
int vtest_protocol_version(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t hdr_buf[VTEST_HDR_SIZE];
uint32_t version_buf[VCMD_PROTOCOL_VERSION_SIZE];
unsigned version;
int ret;
ret = ctx->input->read(ctx->input, &version_buf, sizeof(version_buf));
if (ret != sizeof(version_buf))
return -1;
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 (version == 1) {
printf("Older guest Mesa detected, fallbacking to protocol version 0\n");
version = 0;
}
/* Protocol version 2 requires shm support. */
if (!vtest_shm_check()) {
printf("Shared memory not supported, fallbacking to protocol version 0\n");
version = 0;
}
if (renderer.multi_clients && version < 3)
return report_failed_call("protocol version too low", -EINVAL);
ctx->protocol_version = version;
hdr_buf[VTEST_CMD_LEN] = VCMD_PROTOCOL_VERSION_SIZE;
hdr_buf[VTEST_CMD_ID] = VCMD_PROTOCOL_VERSION;
version_buf[VCMD_PROTOCOL_VERSION_VERSION] = ctx->protocol_version;
ret = vtest_block_write(ctx->out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
ret = vtest_block_write(ctx->out_fd, version_buf, sizeof(version_buf));
if (ret < 0) {
return ret;
}
return 0;
}
int vtest_get_param(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t get_param_buf[VCMD_GET_PARAM_SIZE];
uint32_t resp_buf[VTEST_HDR_SIZE + 2];
uint32_t param;
uint32_t *resp;
int ret;
ret = ctx->input->read(ctx->input, get_param_buf, sizeof(get_param_buf));
if (ret != sizeof(get_param_buf))
return -1;
param = get_param_buf[VCMD_GET_PARAM_PARAM];
resp_buf[VTEST_CMD_LEN] = 2;
resp_buf[VTEST_CMD_ID] = VCMD_GET_PARAM;
resp = &resp_buf[VTEST_CMD_DATA_START];
switch (param) {
case VCMD_PARAM_MAX_SYNC_QUEUE_COUNT:
resp[0] = true;
/* TODO until we have a timerfd */
#ifdef HAVE_EVENTFD_H
if (!getenv("VIRGL_DISABLE_MT"))
resp[1] = VTEST_MAX_SYNC_QUEUE_COUNT;
else
resp[1] = 0;
#else
resp[1] = 0;
#endif
break;
default:
resp[0] = false;
resp[1] = 0;
break;
}
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret < 0)
return -1;
return 0;
}
int vtest_get_capset(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t get_capset_buf[VCMD_GET_CAPSET_SIZE];
uint32_t resp_buf[VTEST_HDR_SIZE + 1];
uint32_t id;
uint32_t version;
uint32_t max_version;
uint32_t max_size;
void *caps;
int ret;
ret = ctx->input->read(ctx->input, get_capset_buf, sizeof(get_capset_buf));
if (ret != sizeof(get_capset_buf))
return -1;
id = get_capset_buf[VCMD_GET_CAPSET_ID];
version = get_capset_buf[VCMD_GET_CAPSET_VERSION];
virgl_renderer_get_cap_set(id, &max_version, &max_size);
/* unsupported id or version */
if ((!max_version && !max_size) || version > max_version) {
resp_buf[VTEST_CMD_LEN] = 1;
resp_buf[VTEST_CMD_ID] = VCMD_GET_CAPSET;
resp_buf[VTEST_CMD_DATA_START] = false;
return vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
}
if (max_size % 4)
return -EINVAL;
caps = malloc(max_size);
if (!caps)
return -ENOMEM;
virgl_renderer_fill_caps(id, version, caps);
resp_buf[VTEST_CMD_LEN] = 1 + max_size / 4;
resp_buf[VTEST_CMD_ID] = VCMD_GET_CAPSET;
resp_buf[VTEST_CMD_DATA_START] = true;
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret >= 0)
ret = vtest_block_write(ctx->out_fd, caps, max_size);
free(caps);
return ret >= 0 ? 0 : ret;
}
int vtest_context_init(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t context_init_buf[VCMD_CONTEXT_INIT_SIZE];
uint32_t capset_id;
int ret;
ret = ctx->input->read(ctx->input, context_init_buf, sizeof(context_init_buf));
if (ret != sizeof(context_init_buf))
return -1;
capset_id = context_init_buf[VCMD_CONTEXT_INIT_CAPSET_ID];
if (!capset_id)
return -EINVAL;
if (ctx->context_initialized) {
return ctx->capset_id == capset_id ? 0 : -EINVAL;
}
ctx->capset_id = capset_id;
return vtest_lazy_init_context(ctx);
}
int vtest_send_caps2(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
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(ctx->out_fd, hdr_buf, 8);
if (ret < 0) {
goto end;
}
vtest_block_write(ctx->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)
{
struct vtest_context *ctx = vtest_get_current_context();
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(ctx->out_fd, hdr_buf, 8);
if (ret < 0) {
goto end;
}
vtest_block_write(ctx->out_fd, caps_buf, max_size);
if (ret < 0) {
goto end;
}
end:
free(caps_buf);
return 0;
}
static int vtest_create_resource_decode_args(struct vtest_context *ctx,
struct virgl_renderer_resource_create_args *args)
{
uint32_t res_create_buf[VCMD_RES_CREATE_SIZE];
int ret;
ret = ctx->input->read(ctx->input, &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;
return 0;
}
static int vtest_create_resource_decode_args2(struct vtest_context *ctx,
struct virgl_renderer_resource_create_args *args,
size_t *shm_size)
{
uint32_t res_create_buf[VCMD_RES_CREATE2_SIZE];
int ret;
ret = ctx->input->read(ctx->input, &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;
*shm_size = res_create_buf[VCMD_RES_CREATE2_DATA_SIZE];
return 0;
}
static int vtest_create_resource_setup_shm(struct vtest_resource *res,
size_t size)
{
int fd;
void *ptr;
fd = vtest_new_shm(res->res_id, size);
if (fd < 0)
return report_failed_call("vtest_new_shm", fd);
ptr = mmap(NULL, size, PROT_WRITE | PROT_READ, MAP_SHARED, fd, 0);
if (ptr == MAP_FAILED) {
close(fd);
return -1;
}
res->iov.iov_base = ptr;
res->iov.iov_len = size;
return fd;
}
static int vtest_create_resource_internal(struct vtest_context *ctx,
uint32_t cmd_id,
struct virgl_renderer_resource_create_args *args,
size_t shm_size)
{
struct vtest_resource *res;
int ret;
if (ctx->protocol_version >= 3) {
if (args->handle)
return -EINVAL;
} else {
// Check that the handle doesn't already exist.
if (util_hash_table_get(ctx->resource_table, intptr_to_pointer(args->handle))) {
return -EEXIST;
}
}
res = vtest_new_resource(args->handle);
if (!res)
return -ENOMEM;
args->handle = res->res_id;
ret = virgl_renderer_resource_create(args, NULL, 0);
if (ret) {
vtest_unref_resource(res);
return report_failed_call("virgl_renderer_resource_create", ret);
}
virgl_renderer_ctx_attach_resource(ctx->ctx_id, res->res_id);
if (ctx->protocol_version >= 3) {
uint32_t resp_buf[VTEST_HDR_SIZE + 1] = {
[VTEST_CMD_LEN] = 1,
[VTEST_CMD_ID] = cmd_id,
[VTEST_CMD_DATA_START] = res->res_id,
};
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret < 0) {
vtest_unref_resource(res);
return ret;
}
}
/* no shm for v1 resources or v2 multi-sample resources */
if (shm_size) {
int fd;
fd = vtest_create_resource_setup_shm(res, shm_size);
if (fd < 0) {
vtest_unref_resource(res);
return -ENOMEM;
}
ret = vtest_send_fd(ctx->out_fd, fd);
if (ret < 0) {
close(fd);
vtest_unref_resource(res);
return report_failed_call("vtest_send_fd", ret);
}
/* Closing the file descriptor does not unmap the region. */
close(fd);
virgl_renderer_resource_attach_iov(res->res_id, &res->iov, 1);
}
util_hash_table_set(ctx->resource_table, intptr_to_pointer(res->res_id), res);
return 0;
}
int vtest_create_resource(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
struct virgl_renderer_resource_create_args args;
int ret;
ret = vtest_create_resource_decode_args(ctx, &args);
if (ret < 0) {
return ret;
}
return vtest_create_resource_internal(ctx, VCMD_RESOURCE_CREATE, &args, 0);
}
int vtest_create_resource2(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
struct virgl_renderer_resource_create_args args;
size_t shm_size;
int ret;
ret = vtest_create_resource_decode_args2(ctx, &args, &shm_size);
if (ret < 0) {
return ret;
}
return vtest_create_resource_internal(ctx, VCMD_RESOURCE_CREATE2, &args, shm_size);
}
int vtest_resource_create_blob(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t res_create_blob_buf[VCMD_RES_CREATE_BLOB_SIZE];
uint32_t resp_buf[VTEST_HDR_SIZE + 1];
struct virgl_renderer_resource_create_blob_args args;
struct vtest_resource *res;
int fd;
int ret;
ret = ctx->input->read(ctx->input, res_create_blob_buf,
sizeof(res_create_blob_buf));
if (ret != sizeof(res_create_blob_buf))
return -1;
memset(&args, 0, sizeof(args));
args.blob_mem = res_create_blob_buf[VCMD_RES_CREATE_BLOB_TYPE];
args.blob_flags = res_create_blob_buf[VCMD_RES_CREATE_BLOB_FLAGS];
args.size = res_create_blob_buf[VCMD_RES_CREATE_BLOB_SIZE_LO];
args.size |= (uint64_t)res_create_blob_buf[VCMD_RES_CREATE_BLOB_SIZE_HI] << 32;
args.blob_id = res_create_blob_buf[VCMD_RES_CREATE_BLOB_ID_LO];
args.blob_id |= (uint64_t)res_create_blob_buf[VCMD_RES_CREATE_BLOB_ID_HI] << 32;
res = vtest_new_resource(0);
if (!res)
return -ENOMEM;
args.res_handle = res->res_id;
args.ctx_id = ctx->ctx_id;
switch (args.blob_mem) {
case VIRGL_RENDERER_BLOB_MEM_GUEST:
case VIRGL_RENDERER_BLOB_MEM_HOST3D_GUEST:
fd = vtest_create_resource_setup_shm(res, args.size);
if (fd < 0) {
vtest_unref_resource(res);
return -ENOMEM;
}
args.iovecs = &res->iov;
args.num_iovs = 1;
break;
case VIRGL_RENDERER_BLOB_MEM_HOST3D:
fd = -1;
break;
default:
return -EINVAL;
}
ret = virgl_renderer_resource_create_blob(&args);
if (ret) {
if (fd >= 0)
close(fd);
vtest_unref_resource(res);
return report_failed_call("virgl_renderer_resource_create_blob", ret);
}
/* need dmabuf */
if (args.blob_mem == VIRGL_RENDERER_BLOB_MEM_HOST3D) {
uint32_t fd_type;
ret = virgl_renderer_resource_export_blob(res->res_id, &fd_type, &fd);
if (ret) {
vtest_unref_resource(res);
return report_failed_call("virgl_renderer_resource_export_blob", ret);
}
if (fd_type != VIRGL_RENDERER_BLOB_FD_TYPE_DMABUF) {
close(fd);
vtest_unref_resource(res);
return report_failed_call("virgl_renderer_resource_export_blob", -EINVAL);
}
}
virgl_renderer_ctx_attach_resource(ctx->ctx_id, res->res_id);
resp_buf[VTEST_CMD_LEN] = 1;
resp_buf[VTEST_CMD_ID] = VCMD_RESOURCE_CREATE_BLOB;
resp_buf[VTEST_CMD_DATA_START] = res->res_id;
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret < 0) {
close(fd);
vtest_unref_resource(res);
return ret;
}
ret = vtest_send_fd(ctx->out_fd, fd);
if (ret < 0) {
close(fd);
vtest_unref_resource(res);
return report_failed_call("vtest_send_fd", ret);
}
/* Closing the file descriptor does not unmap the region. */
close(fd);
util_hash_table_set(ctx->resource_table, intptr_to_pointer(res->res_id), res);
return 0;
}
int vtest_resource_unref(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t res_unref_buf[VCMD_RES_UNREF_SIZE];
int ret;
uint32_t handle;
ret = ctx->input->read(ctx->input, &res_unref_buf,
sizeof(res_unref_buf));
if (ret != sizeof(res_unref_buf)) {
return -1;
}
handle = res_unref_buf[VCMD_RES_UNREF_RES_HANDLE];
util_hash_table_remove(ctx->resource_table, intptr_to_pointer(handle));
return 0;
}
int vtest_submit_cmd(uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t *cbuf;
int ret;
if (length_dw > renderer.max_length / 4) {
return -1;
}
cbuf = malloc(length_dw * 4);
if (!cbuf) {
return -1;
}
ret = ctx->input->read(ctx->input, cbuf, length_dw * 4);
if (ret != (int)length_dw * 4) {
free(cbuf);
return -1;
}
ret = virgl_renderer_submit_cmd(cbuf, ctx->ctx_id, length_dw);
free(cbuf);
if (ret)
return -1;
vtest_create_implicit_fence(&renderer);
return 0;
}
struct vtest_transfer_args {
uint32_t handle;
uint32_t level;
uint32_t stride;
uint32_t layer_stride;
struct virgl_box box;
uint32_t offset;
};
static int vtest_transfer_decode_args(struct vtest_context *ctx,
struct vtest_transfer_args *args,
uint32_t *data_size)
{
uint32_t thdr_buf[VCMD_TRANSFER_HDR_SIZE];
int ret;
ret = ctx->input->read(ctx->input, thdr_buf, sizeof(thdr_buf));
if (ret != sizeof(thdr_buf)) {
return -1;
}
args->handle = thdr_buf[VCMD_TRANSFER_RES_HANDLE];
args->level = thdr_buf[VCMD_TRANSFER_LEVEL];
args->stride = thdr_buf[VCMD_TRANSFER_STRIDE];
args->layer_stride = thdr_buf[VCMD_TRANSFER_LAYER_STRIDE];
args->box.x = thdr_buf[VCMD_TRANSFER_X];
args->box.y = thdr_buf[VCMD_TRANSFER_Y];
args->box.z = thdr_buf[VCMD_TRANSFER_Z];
args->box.w = thdr_buf[VCMD_TRANSFER_WIDTH];
args->box.h = thdr_buf[VCMD_TRANSFER_HEIGHT];
args->box.d = thdr_buf[VCMD_TRANSFER_DEPTH];
args->offset = 0;
*data_size = thdr_buf[VCMD_TRANSFER_DATA_SIZE];
if (*data_size > renderer.max_length) {
return -ENOMEM;
}
return 0;
}
static int vtest_transfer_decode_args2(struct vtest_context *ctx,
struct vtest_transfer_args *args)
{
uint32_t thdr_buf[VCMD_TRANSFER2_HDR_SIZE];
int ret;
ret = ctx->input->read(ctx->input, thdr_buf, sizeof(thdr_buf));
if (ret != sizeof(thdr_buf)) {
return -1;
}
args->handle = thdr_buf[VCMD_TRANSFER2_RES_HANDLE];
args->level = thdr_buf[VCMD_TRANSFER2_LEVEL];
args->stride = 0;
args->layer_stride = 0;
args->box.x = thdr_buf[VCMD_TRANSFER2_X];
args->box.y = thdr_buf[VCMD_TRANSFER2_Y];
args->box.z = thdr_buf[VCMD_TRANSFER2_Z];
args->box.w = thdr_buf[VCMD_TRANSFER2_WIDTH];
args->box.h = thdr_buf[VCMD_TRANSFER2_HEIGHT];
args->box.d = thdr_buf[VCMD_TRANSFER2_DEPTH];
args->offset = thdr_buf[VCMD_TRANSFER2_OFFSET];
return 0;
}
static int vtest_transfer_get_internal(struct vtest_context *ctx,
struct vtest_transfer_args *args,
uint32_t data_size,
bool do_transfer)
{
struct vtest_resource *res;
struct iovec data_iov;
int ret = 0;
res = util_hash_table_get(ctx->resource_table,
intptr_to_pointer(args->handle));
if (!res) {
return report_failed_call("util_hash_table_get", -ESRCH);
}
if (data_size) {
data_iov.iov_len = data_size;
data_iov.iov_base = malloc(data_size);
if (!data_iov.iov_base) {
return -ENOMEM;
}
} else {
if (args->offset >= res->iov.iov_len) {
return report_failure("offset larger then length of backing store", -EFAULT);
}
}
if (do_transfer) {
ret = virgl_renderer_transfer_read_iov(res->res_id,
ctx->ctx_id,
args->level,
args->stride,
args->layer_stride,
&args->box,
args->offset,
data_size ? &data_iov : NULL,
data_size ? 1 : 0);
if (ret) {
report_failed_call("virgl_renderer_transfer_read_iov", ret);
}
} else if (data_size) {
memset(data_iov.iov_base, 0, data_iov.iov_len);
}
if (data_size) {
ret = vtest_block_write(ctx->out_fd, data_iov.iov_base, data_iov.iov_len);
if (ret > 0)
ret = 0;
free(data_iov.iov_base);
}
return ret;
}
static int vtest_transfer_put_internal(struct vtest_context *ctx,
struct vtest_transfer_args *args,
uint32_t data_size,
bool do_transfer)
{
struct vtest_resource *res;
struct iovec data_iov;
int ret = 0;
res = util_hash_table_get(ctx->resource_table,
intptr_to_pointer(args->handle));
if (!res) {
return report_failed_call("util_hash_table_get", -ESRCH);
}
if (data_size) {
data_iov.iov_len = data_size;
data_iov.iov_base = malloc(data_size);
if (!data_iov.iov_base) {
return -ENOMEM;
}
ret = ctx->input->read(ctx->input, data_iov.iov_base, data_iov.iov_len);
if (ret < 0) {
return ret;
}
}
if (do_transfer) {
ret = virgl_renderer_transfer_write_iov(res->res_id,
ctx->ctx_id,
args->level,
args->stride,
args->layer_stride,
&args->box,
args->offset,
data_size ? &data_iov : NULL,
data_size ? 1 : 0);
if (ret) {
report_failed_call("virgl_renderer_transfer_write_iov", ret);
}
}
if (data_size) {
free(data_iov.iov_base);
}
return ret;
}
int vtest_transfer_get(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
uint32_t data_size;
ret = vtest_transfer_decode_args(ctx, &args, &data_size);
if (ret < 0) {
return ret;
}
return vtest_transfer_get_internal(ctx, &args, data_size, true);
}
int vtest_transfer_get_nop(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
uint32_t data_size;
ret = vtest_transfer_decode_args(ctx, &args, &data_size);
if (ret < 0) {
return ret;
}
return vtest_transfer_get_internal(ctx, &args, data_size, false);
}
int vtest_transfer_put(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
uint32_t data_size;
ret = vtest_transfer_decode_args(ctx, &args, &data_size);
if (ret < 0) {
return ret;
}
return vtest_transfer_put_internal(ctx, &args, data_size, true);
}
int vtest_transfer_put_nop(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
uint32_t data_size;
ret = vtest_transfer_decode_args(ctx, &args, &data_size);
if (ret < 0) {
return ret;
}
return vtest_transfer_put_internal(ctx, &args, data_size, false);
}
int vtest_transfer_get2(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
ret = vtest_transfer_decode_args2(ctx, &args);
if (ret < 0) {
return ret;
}
return vtest_transfer_get_internal(ctx, &args, 0, true);
}
int vtest_transfer_get2_nop(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
ret = vtest_transfer_decode_args2(ctx, &args);
if (ret < 0) {
return ret;
}
return vtest_transfer_get_internal(ctx, &args, 0, false);
}
int vtest_transfer_put2(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
ret = vtest_transfer_decode_args2(ctx, &args);
if (ret < 0) {
return ret;
}
return vtest_transfer_put_internal(ctx, &args, 0, true);
}
int vtest_transfer_put2_nop(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
int ret;
struct vtest_transfer_args args;
ret = vtest_transfer_decode_args2(ctx, &args);
if (ret < 0) {
return ret;
}
return vtest_transfer_put_internal(ctx, &args, 0, false);
}
int vtest_resource_busy_wait(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
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 = ctx->input->read(ctx->input, &bw_buf, sizeof(bw_buf));
if (ret != sizeof(bw_buf)) {
return -1;
}
/* clients often send VCMD_PING_PROTOCOL_VERSION followed by
* VCMD_RESOURCE_BUSY_WAIT with handle 0 to figure out if
* VCMD_PING_PROTOCOL_VERSION is supported. We need to make a special case
* for that.
*/
if (!ctx->context_initialized && bw_buf[VCMD_BUSY_WAIT_HANDLE])
return -1;
/* handle = bw_buf[VCMD_BUSY_WAIT_HANDLE]; unused as of now */
flags = bw_buf[VCMD_BUSY_WAIT_FLAGS];
do {
busy = renderer.implicit_fence_completed !=
renderer.implicit_fence_submitted;
if (!busy || !(flags & VCMD_BUSY_WAIT_FLAG_WAIT))
break;
/* TODO this is bad when there are multiple clients */
fd = virgl_renderer_get_poll_fd();
if (fd != -1) {
vtest_wait_for_fd_read(fd);
}
virgl_renderer_poll();
} while (true);
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(ctx->out_fd, hdr_buf, sizeof(hdr_buf));
if (ret < 0) {
return ret;
}
ret = vtest_block_write(ctx->out_fd, reply_buf, sizeof(reply_buf));
if (ret < 0) {
return ret;
}
return 0;
}
int vtest_resource_busy_wait_nop(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t bw_buf[VCMD_BUSY_WAIT_SIZE];
uint32_t reply_buf[VTEST_HDR_SIZE + 1];
int ret;
ret = ctx->input->read(ctx->input, &bw_buf, sizeof(bw_buf));
if (ret != sizeof(bw_buf)) {
return -1;
}
reply_buf[VTEST_CMD_LEN] = 1;
reply_buf[VTEST_CMD_ID] = VCMD_RESOURCE_BUSY_WAIT;
reply_buf[VTEST_CMD_DATA_START] = 0;
ret = vtest_block_write(ctx->out_fd, reply_buf, sizeof(reply_buf));
if (ret < 0) {
return ret;
}
return 0;
}
void vtest_poll_resource_busy_wait(void)
{
/* poll the implicit fences */
virgl_renderer_poll();
}
static uint64_t vtest_gettime(uint32_t offset_ms)
{
const uint64_t ns_per_ms = 1000000;
const uint64_t ns_per_s = ns_per_ms * 1000;
struct timespec ts;
uint64_t ns;
if (offset_ms > INT32_MAX)
return UINT64_MAX;
clock_gettime(CLOCK_MONOTONIC, &ts);
ns = ns_per_s * ts.tv_sec + ts.tv_nsec;
return ns + ns_per_ms * offset_ms;
}
/* TODO this is slow */
static void vtest_signal_sync(struct vtest_sync *sync, uint64_t value)
{
struct vtest_context *ctx;
uint64_t now;
if (sync->value >= value) {
sync->value = value;
return;
}
sync->value = value;
now = vtest_gettime(0);
LIST_FOR_EACH_ENTRY(ctx, &renderer.active_contexts, head) {
struct vtest_sync_wait *wait, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(wait, tmp, &ctx->sync_waits, head) {
bool is_ready = false;
uint32_t i;
/* garbage collect */
if (wait->valid_before < now) {
list_del(&wait->head);
vtest_free_sync_wait(wait);
continue;
}
for (i = 0; i < wait->count; i++) {
if (wait->syncs[i] != sync || wait->values[i] > value)
continue;
vtest_unref_sync(wait->syncs[i]);
wait->syncs[i] = NULL;
wait->signaled_count++;
if (wait->signaled_count == wait->count ||
(wait->flags & VCMD_SYNC_WAIT_FLAG_ANY)) {
is_ready = true;
break;
}
}
if (is_ready) {
const uint64_t val = 1;
list_del(&wait->head);
write(wait->fd, &val, sizeof(val));
vtest_free_sync_wait(wait);
}
}
}
}
static void vtest_signal_sync_queue(struct vtest_sync_queue *queue,
struct vtest_sync_queue_submit *to_submit)
{
struct vtest_sync_queue_submit *submit, *tmp;
LIST_FOR_EACH_ENTRY_SAFE(submit, tmp, &queue->submits, head) {
uint32_t i;
list_del(&submit->head);
for (i = 0; i < submit->count; i++) {
vtest_signal_sync(submit->syncs[i], submit->values[i]);
vtest_unref_sync(submit->syncs[i]);
}
free(submit);
if (submit == to_submit)
break;
}
}
int vtest_sync_create(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t sync_create_buf[VCMD_SYNC_CREATE_SIZE];
uint32_t resp_buf[VTEST_HDR_SIZE + 1];
uint64_t value;
struct vtest_sync *sync;
int ret;
ret = ctx->input->read(ctx->input, sync_create_buf, sizeof(sync_create_buf));
if (ret != sizeof(sync_create_buf))
return -1;
value = sync_create_buf[VCMD_SYNC_CREATE_VALUE_LO];
value |= (uint64_t)sync_create_buf[VCMD_SYNC_CREATE_VALUE_HI] << 32;
sync = vtest_new_sync(value);
if (!sync)
return -ENOMEM;
resp_buf[VTEST_CMD_LEN] = 1;
resp_buf[VTEST_CMD_ID] = VCMD_SYNC_CREATE;
resp_buf[VTEST_CMD_DATA_START] = sync->sync_id;
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret < 0) {
vtest_unref_sync(sync);
return ret;
}
util_hash_table_set(ctx->sync_table, intptr_to_pointer(sync->sync_id), sync);
return 0;
}
int vtest_sync_unref(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t sync_unref_buf[VCMD_SYNC_UNREF_SIZE];
uint32_t sync_id;
int ret;
ret = ctx->input->read(ctx->input, &sync_unref_buf,
sizeof(sync_unref_buf));
if (ret != sizeof(sync_unref_buf)) {
return -1;
}
sync_id = sync_unref_buf[VCMD_SYNC_UNREF_ID];
util_hash_table_remove(ctx->sync_table, intptr_to_pointer(sync_id));
return 0;
}
int vtest_sync_read(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t sync_read_buf[VCMD_SYNC_READ_SIZE];
uint32_t resp_buf[VTEST_HDR_SIZE + 2];
uint32_t sync_id;
struct vtest_sync *sync;
int ret;
ret = ctx->input->read(ctx->input, &sync_read_buf,
sizeof(sync_read_buf));
if (ret != sizeof(sync_read_buf)) {
return -1;
}
sync_id = sync_read_buf[VCMD_SYNC_READ_ID];
sync = util_hash_table_get(ctx->sync_table, intptr_to_pointer(sync_id));
if (!sync)
return -EEXIST;
resp_buf[VTEST_CMD_LEN] = 2;
resp_buf[VTEST_CMD_ID] = VCMD_SYNC_READ;
resp_buf[VTEST_CMD_DATA_START] = (uint32_t)sync->value;
resp_buf[VTEST_CMD_DATA_START + 1] = (uint32_t)(sync->value >> 32);
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret < 0)
return ret;
return 0;
}
static uint32_t vtest_sync_decode_id_and_value(const uint32_t *data,
uint32_t index,
uint64_t *value)
{
data += index * 3;
/* 32-bit sync id followed by 64-bit sync value */
*value = (uint64_t)data[1];
*value |= (uint64_t)data[2] << 32;
return data[0];
}
int vtest_sync_write(UNUSED uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t sync_write_buf[VCMD_SYNC_WRITE_SIZE];
uint32_t sync_id;
uint64_t value;
struct vtest_sync *sync;
int ret;
ret = ctx->input->read(ctx->input, &sync_write_buf,
sizeof(sync_write_buf));
if (ret != sizeof(sync_write_buf)) {
return -1;
}
sync_id = vtest_sync_decode_id_and_value(sync_write_buf, 0, &value);
sync = util_hash_table_get(ctx->sync_table, intptr_to_pointer(sync_id));
if (!sync)
return -EEXIST;
vtest_signal_sync(sync, value);
return 0;
}
static int vtest_sync_wait_init(struct vtest_sync_wait *wait,
struct vtest_context *ctx,
uint32_t flags,
uint32_t timeout,
const uint32_t *syncs,
uint32_t sync_count)
{
uint32_t i;
#ifdef HAVE_EVENTFD_H
wait->fd = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
#else
/* TODO pipe */
wait->fd = -1;
#endif
if (wait->fd < 0)
return -ENODEV;
wait->flags = flags;
wait->valid_before = vtest_gettime(timeout);
wait->count = 0;
wait->signaled_count = 0;
for (i = 0; i < sync_count; i++) {
struct vtest_sync *sync;
uint32_t sync_id;
uint64_t value;
sync_id = vtest_sync_decode_id_and_value(syncs, i, &value);
sync = util_hash_table_get(ctx->sync_table, intptr_to_pointer(sync_id));
if (!sync)
break;
/* skip signaled */
if (sync->value < value) {
wait->syncs[wait->count] = vtest_ref_sync(sync);
wait->values[wait->count] = value;
wait->count++;
}
}
if (i < sync_count) {
vtest_free_sync_wait(wait);
return -EEXIST;
}
return 0;
}
int vtest_sync_wait(uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t resp_buf[VTEST_HDR_SIZE];
uint32_t sync_count;
uint32_t *sync_wait_buf;
uint32_t flags;
uint32_t timeout;
struct vtest_sync_wait *wait;
bool is_ready;
int ret;
if (length_dw > renderer.max_length / 4)
return -EINVAL;
if ((length_dw - 2) % 3)
return -EINVAL;
sync_count = (length_dw - 2) / 3;
sync_wait_buf = malloc(length_dw * 4);
if (!sync_wait_buf)
return -ENOMEM;
ret = ctx->input->read(ctx->input, sync_wait_buf, length_dw * 4);
if (ret != (int)length_dw * 4) {
free(sync_wait_buf);
return -1;
}
flags = sync_wait_buf[VCMD_SYNC_WAIT_FLAGS];
timeout = sync_wait_buf[VCMD_SYNC_WAIT_TIMEOUT];
wait = malloc(sizeof(*wait) +
sizeof(*wait->syncs) * sync_count +
sizeof(*wait->values) * sync_count);
if (!wait) {
free(sync_wait_buf);
return -ENOMEM;
}
wait->syncs = (void *)&wait[1];
wait->values = (void *)&wait->syncs[sync_count];
ret = vtest_sync_wait_init(wait, ctx, flags, timeout,
sync_wait_buf + 2, sync_count);
free(sync_wait_buf);
if (ret) {
free(wait);
return ret;
}
is_ready = !wait->count;
if ((wait->flags & VCMD_SYNC_WAIT_FLAG_ANY) && wait->count < sync_count)
is_ready = true;
if (is_ready) {
const uint64_t val = 1;
write(wait->fd, &val, sizeof(val));
}
resp_buf[VTEST_CMD_LEN] = 0;
resp_buf[VTEST_CMD_ID] = VCMD_SYNC_WAIT;
ret = vtest_block_write(ctx->out_fd, resp_buf, sizeof(resp_buf));
if (ret >= 0)
ret = vtest_send_fd(ctx->out_fd, wait->fd);
if (ret || is_ready || !timeout)
vtest_free_sync_wait(wait);
else
list_addtail(&wait->head, &ctx->sync_waits);
return ret;
}
static int vtest_submit_cmd2_batch(struct vtest_context *ctx,
const struct vcmd_submit_cmd2_batch *batch,
const uint32_t *cmds,
const uint32_t *syncs)
{
struct vtest_sync_queue_submit *submit = NULL;
uint32_t i;
int ret;
ret = virgl_renderer_submit_cmd((void *)cmds, ctx->ctx_id, batch->cmd_size);
if (ret)
return -EINVAL;
if (!batch->sync_count)
return 0;
if (batch->flags & VCMD_SUBMIT_CMD2_FLAG_SYNC_QUEUE) {
submit = malloc(sizeof(*submit) +
sizeof(*submit->syncs) * batch->sync_count +
sizeof(*submit->values) * batch->sync_count);
if (!submit)
return -ENOMEM;
submit->count = batch->sync_count;
submit->syncs = (void *)&submit[1];
submit->values = (void *)&submit->syncs[batch->sync_count];
}
for (i = 0; i < batch->sync_count; i++) {
struct vtest_sync *sync;
uint32_t sync_id;
uint64_t value;
sync_id = vtest_sync_decode_id_and_value(syncs, i, &value);
sync = util_hash_table_get(ctx->sync_table, intptr_to_pointer(sync_id));
if (!sync)
break;
if (submit) {
submit->syncs[i] = vtest_ref_sync(sync);
submit->values[i] = value;
} else {
vtest_signal_sync(sync, value);
}
}
if (i < batch->sync_count) {
if (submit) {
submit->count = i;
vtest_free_sync_queue_submit(submit);
}
return -EEXIST;
}
if (submit) {
struct vtest_sync_queue *queue = &ctx->sync_queues[batch->sync_queue_index];
submit->sync_queue = queue;
ret = virgl_renderer_context_create_fence(ctx->ctx_id,
VIRGL_RENDERER_FENCE_FLAG_MERGEABLE,
batch->sync_queue_id,
submit);
if (ret) {
vtest_free_sync_queue_submit(submit);
return ret;
}
list_addtail(&submit->head, &queue->submits);
}
return 0;
}
int vtest_submit_cmd2(uint32_t length_dw)
{
struct vtest_context *ctx = vtest_get_current_context();
uint32_t *submit_cmd2_buf;
uint32_t batch_count;
uint32_t i;
int ret;
if (length_dw > renderer.max_length / 4)
return -EINVAL;
submit_cmd2_buf = malloc(length_dw * 4);
if (!submit_cmd2_buf)
return -ENOMEM;
ret = ctx->input->read(ctx->input, submit_cmd2_buf, length_dw * 4);
if (ret != (int)length_dw * 4) {
free(submit_cmd2_buf);
return -1;
}
batch_count = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_COUNT];
if (VCMD_SUBMIT_CMD2_BATCH_COUNT + 8 * batch_count > length_dw) {
free(submit_cmd2_buf);
return -EINVAL;
}
for (i = 0; i < batch_count; i++) {
const struct vcmd_submit_cmd2_batch batch = {
.flags = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_FLAGS(i)],
.cmd_offset = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_CMD_OFFSET(i)],
.cmd_size = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_CMD_SIZE(i)],
.sync_offset = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_OFFSET(i)],
.sync_count = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_COUNT(i)],
.sync_queue_index = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_INDEX(i)],
.sync_queue_id = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_LO(i)] |
(uint64_t)submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_HI(i)] << 32,
};
const uint32_t *cmds = &submit_cmd2_buf[batch.cmd_offset];
const uint32_t *syncs = &submit_cmd2_buf[batch.sync_offset];
if (batch.cmd_offset + batch.cmd_size > length_dw ||
batch.sync_offset + batch.sync_count * 3 > length_dw ||
batch.sync_queue_index >= VTEST_MAX_SYNC_QUEUE_COUNT) {
free(submit_cmd2_buf);
return -EINVAL;
}
ret = vtest_submit_cmd2_batch(ctx, &batch, cmds, syncs);
if (ret) {
free(submit_cmd2_buf);
return ret;
}
}
free(submit_cmd2_buf);
return 0;
}
void vtest_set_max_length(uint32_t length)
{
renderer.max_length = length;
}