@ -52,12 +52,13 @@ struct vtest_context {
int ctx_id ;
int ctx_id ;
struct vtest_input * input ;
int out_fd ;
unsigned protocol_version ;
unsigned protocol_version ;
} ;
} ;
struct vtest_renderer {
struct vtest_renderer {
struct vtest_input * input ;
int out_fd ;
struct util_hash_table * iovec_hash ;
struct util_hash_table * iovec_hash ;
const char * rendernode_name ;
const char * rendernode_name ;
@ -236,14 +237,11 @@ int vtest_buf_read(struct vtest_input *input, void *buf, int size)
return size ;
return size ;
}
}
int vtest_init_renderer ( struct vtest_input * input , int out_fd ,
int vtest_init_renderer ( int ctx_flags , const char * render_device )
int ctx_flags , const char * render_device )
{
{
int ret ;
int ret ;
renderer . iovec_hash = util_hash_table_create ( hash_func , compare_iovecs , free_iovec ) ;
renderer . iovec_hash = util_hash_table_create ( hash_func , compare_iovecs , free_iovec ) ;
renderer . input = input ;
renderer . out_fd = out_fd ;
renderer . rendernode_name = render_device ;
renderer . rendernode_name = render_device ;
list_inithead ( & renderer . active_contexts ) ;
list_inithead ( & renderer . active_contexts ) ;
list_inithead ( & renderer . free_contexts ) ;
list_inithead ( & renderer . free_contexts ) ;
@ -283,11 +281,10 @@ void vtest_cleanup_renderer(void)
util_hash_table_destroy ( renderer . iovec_hash ) ;
util_hash_table_destroy ( renderer . iovec_hash ) ;
renderer . iovec_hash = NULL ;
renderer . iovec_hash = NULL ;
renderer . input = NULL ;
renderer . out_fd = - 1 ;
}
}
static struct vtest_context * vtest_new_context ( void )
static struct vtest_context * vtest_new_context ( struct vtest_input * input ,
int out_fd )
{
{
struct vtest_context * ctx ;
struct vtest_context * ctx ;
@ -302,6 +299,9 @@ static struct vtest_context *vtest_new_context(void)
list_del ( & ctx - > head ) ;
list_del ( & ctx - > head ) ;
}
}
ctx - > input = input ;
ctx - > out_fd = out_fd ;
/* By default we support version 0 unless VCMD_PROTOCOL_VERSION is sent */
/* By default we support version 0 unless VCMD_PROTOCOL_VERSION is sent */
ctx - > protocol_version = 0 ;
ctx - > protocol_version = 0 ;
@ -317,7 +317,8 @@ static void vtest_free_context(struct vtest_context *ctx, bool cleanup)
}
}
}
}
int vtest_create_context ( uint32_t length , struct vtest_context * * out_ctx )
int vtest_create_context ( struct vtest_input * input , int out_fd ,
uint32_t length , struct vtest_context * * out_ctx )
{
{
struct vtest_context * ctx ;
struct vtest_context * ctx ;
char * vtestname ;
char * vtestname ;
@ -327,7 +328,7 @@ int vtest_create_context(uint32_t length, struct vtest_context **out_ctx)
return - 1 ;
return - 1 ;
}
}
ctx = vtest_new_context ( ) ;
ctx = vtest_new_context ( input , out_fd ) ;
if ( ! ctx ) {
if ( ! ctx ) {
return - 1 ;
return - 1 ;
}
}
@ -338,7 +339,7 @@ int vtest_create_context(uint32_t length, struct vtest_context **out_ctx)
goto end ;
goto end ;
}
}
ret = renderer . input - > read ( renderer . input , vtestname , length ) ;
ret = ctx - > input - > read ( ctx - > input , vtestname , length ) ;
if ( ret ! = ( int ) length ) {
if ( ret ! = ( int ) length ) {
ret = - 1 ;
ret = - 1 ;
goto end ;
goto end ;
@ -382,12 +383,13 @@ static struct vtest_context *vtest_get_current_context(void)
int vtest_ping_protocol_version ( UNUSED uint32_t length_dw )
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 ] ;
uint32_t hdr_buf [ VTEST_HDR_SIZE ] ;
int ret ;
int ret ;
hdr_buf [ VTEST_CMD_LEN ] = VCMD_PING_PROTOCOL_VERSION_SIZE ;
hdr_buf [ VTEST_CMD_LEN ] = VCMD_PING_PROTOCOL_VERSION_SIZE ;
hdr_buf [ VTEST_CMD_ID ] = VCMD_PING_PROTOCOL_VERSION ;
hdr_buf [ VTEST_CMD_ID ] = VCMD_PING_PROTOCOL_VERSION ;
ret = vtest_block_write ( renderer . out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
ret = vtest_block_write ( ctx - > out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
@ -403,7 +405,7 @@ int vtest_protocol_version(UNUSED uint32_t length_dw)
unsigned version ;
unsigned version ;
int ret ;
int ret ;
ret = renderer . input - > read ( renderer . input , & version_buf , sizeof ( version_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , & version_buf , sizeof ( version_buf ) ) ;
if ( ret ! = sizeof ( version_buf ) )
if ( ret ! = sizeof ( version_buf ) )
return - 1 ;
return - 1 ;
@ -433,12 +435,12 @@ int vtest_protocol_version(UNUSED uint32_t length_dw)
version_buf [ VCMD_PROTOCOL_VERSION_VERSION ] = ctx - > protocol_version ;
version_buf [ VCMD_PROTOCOL_VERSION_VERSION ] = ctx - > protocol_version ;
ret = vtest_block_write ( renderer . out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
ret = vtest_block_write ( ctx - > out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
ret = vtest_block_write ( renderer . out_fd , version_buf , sizeof ( version_buf ) ) ;
ret = vtest_block_write ( ctx - > out_fd , version_buf , sizeof ( version_buf ) ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
@ -448,6 +450,7 @@ int vtest_protocol_version(UNUSED uint32_t length_dw)
int vtest_send_caps2 ( UNUSED uint32_t length_dw )
int vtest_send_caps2 ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t hdr_buf [ 2 ] ;
uint32_t hdr_buf [ 2 ] ;
void * caps_buf ;
void * caps_buf ;
int ret ;
int ret ;
@ -468,12 +471,12 @@ int vtest_send_caps2(UNUSED uint32_t length_dw)
hdr_buf [ 0 ] = max_size + 1 ;
hdr_buf [ 0 ] = max_size + 1 ;
hdr_buf [ 1 ] = 2 ;
hdr_buf [ 1 ] = 2 ;
ret = vtest_block_write ( renderer . out_fd , hdr_buf , 8 ) ;
ret = vtest_block_write ( ctx - > out_fd , hdr_buf , 8 ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
goto end ;
goto end ;
}
}
vtest_block_write ( renderer . out_fd , caps_buf , max_size ) ;
vtest_block_write ( ctx - > out_fd , caps_buf , max_size ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
goto end ;
goto end ;
}
}
@ -485,6 +488,7 @@ end:
int vtest_send_caps ( UNUSED uint32_t length_dw )
int vtest_send_caps ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t max_ver , max_size ;
uint32_t max_ver , max_size ;
void * caps_buf ;
void * caps_buf ;
uint32_t hdr_buf [ 2 ] ;
uint32_t hdr_buf [ 2 ] ;
@ -501,12 +505,12 @@ int vtest_send_caps(UNUSED uint32_t length_dw)
hdr_buf [ 0 ] = max_size + 1 ;
hdr_buf [ 0 ] = max_size + 1 ;
hdr_buf [ 1 ] = 1 ;
hdr_buf [ 1 ] = 1 ;
ret = vtest_block_write ( renderer . out_fd , hdr_buf , 8 ) ;
ret = vtest_block_write ( ctx - > out_fd , hdr_buf , 8 ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
goto end ;
goto end ;
}
}
vtest_block_write ( renderer . out_fd , caps_buf , max_size ) ;
vtest_block_write ( ctx - > out_fd , caps_buf , max_size ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
goto end ;
goto end ;
}
}
@ -523,8 +527,8 @@ int vtest_create_resource(UNUSED uint32_t length_dw)
struct virgl_renderer_resource_create_args args ;
struct virgl_renderer_resource_create_args args ;
int ret ;
int ret ;
ret = renderer . input - > read ( renderer . input , & res_create_buf ,
ret = ctx - > input - > read ( ctx - > input , & res_create_buf ,
sizeof ( res_create_buf ) ) ;
sizeof ( res_create_buf ) ) ;
if ( ret ! = sizeof ( res_create_buf ) ) {
if ( ret ! = sizeof ( res_create_buf ) ) {
return - 1 ;
return - 1 ;
}
}
@ -542,6 +546,7 @@ int vtest_create_resource(UNUSED uint32_t length_dw)
args . nr_samples = res_create_buf [ VCMD_RES_CREATE_NR_SAMPLES ] ;
args . nr_samples = res_create_buf [ VCMD_RES_CREATE_NR_SAMPLES ] ;
args . flags = 0 ;
args . flags = 0 ;
/* XXX check that args.handle does not already exist */
ret = virgl_renderer_resource_create ( & args , NULL , 0 ) ;
ret = virgl_renderer_resource_create ( & args , NULL , 0 ) ;
virgl_renderer_ctx_attach_resource ( ctx - > ctx_id , args . handle ) ;
virgl_renderer_ctx_attach_resource ( ctx - > ctx_id , args . handle ) ;
@ -556,8 +561,8 @@ int vtest_create_resource2(UNUSED uint32_t length_dw)
struct iovec * iovec ;
struct iovec * iovec ;
int ret , fd ;
int ret , fd ;
ret = renderer . input - > read ( renderer . input , & res_create_buf ,
ret = ctx - > input - > read ( ctx - > input , & res_create_buf ,
sizeof ( res_create_buf ) ) ;
sizeof ( res_create_buf ) ) ;
if ( ret ! = sizeof ( res_create_buf ) ) {
if ( ret ! = sizeof ( res_create_buf ) ) {
return - 1 ;
return - 1 ;
}
}
@ -614,7 +619,7 @@ int vtest_create_resource2(UNUSED uint32_t length_dw)
return - ENOMEM ;
return - ENOMEM ;
}
}
ret = vtest_send_fd ( renderer . out_fd , fd ) ;
ret = vtest_send_fd ( ctx - > out_fd , fd ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
close ( fd ) ;
close ( fd ) ;
munmap ( iovec - > iov_base , iovec - > iov_len ) ;
munmap ( iovec - > iov_base , iovec - > iov_len ) ;
@ -637,13 +642,14 @@ int vtest_resource_unref(UNUSED uint32_t length_dw)
int ret ;
int ret ;
uint32_t handle ;
uint32_t handle ;
ret = renderer . input - > read ( renderer . input , & res_unref_buf ,
ret = ctx - > input - > read ( ctx - > input , & res_unref_buf ,
sizeof ( res_unref_buf ) ) ;
sizeof ( res_unref_buf ) ) ;
if ( ret ! = sizeof ( res_unref_buf ) ) {
if ( ret ! = sizeof ( res_unref_buf ) ) {
return - 1 ;
return - 1 ;
}
}
handle = res_unref_buf [ VCMD_RES_UNREF_RES_HANDLE ] ;
handle = res_unref_buf [ VCMD_RES_UNREF_RES_HANDLE ] ;
/* XXX check that handle is owned by ctx */
virgl_renderer_ctx_attach_resource ( ctx - > ctx_id , handle ) ;
virgl_renderer_ctx_attach_resource ( ctx - > ctx_id , handle ) ;
virgl_renderer_resource_detach_iov ( handle , NULL , NULL ) ;
virgl_renderer_resource_detach_iov ( handle , NULL , NULL ) ;
@ -668,7 +674,7 @@ int vtest_submit_cmd(uint32_t length_dw)
return - 1 ;
return - 1 ;
}
}
ret = renderer . input - > read ( renderer . input , cbuf , length_dw * 4 ) ;
ret = ctx - > input - > read ( ctx - > input , cbuf , length_dw * 4 ) ;
if ( ret ! = ( int ) length_dw * 4 ) {
if ( ret ! = ( int ) length_dw * 4 ) {
free ( cbuf ) ;
free ( cbuf ) ;
return - 1 ;
return - 1 ;
@ -708,8 +714,8 @@ int vtest_transfer_get(UNUSED uint32_t length_dw)
void * ptr ;
void * ptr ;
struct iovec iovec ;
struct iovec iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf ,
ret = ctx - > input - > read ( ctx - > input , thdr_buf ,
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
return ret ;
return ret ;
}
}
@ -739,7 +745,7 @@ int vtest_transfer_get(UNUSED uint32_t length_dw)
fprintf ( stderr , " transfer read failed %d \n " , ret ) ;
fprintf ( stderr , " transfer read failed %d \n " , ret ) ;
}
}
ret = vtest_block_write ( renderer . out_fd , ptr , data_size ) ;
ret = vtest_block_write ( ctx - > out_fd , ptr , data_size ) ;
free ( ptr ) ;
free ( ptr ) ;
return ret < 0 ? ret : 0 ;
return ret < 0 ? ret : 0 ;
@ -747,6 +753,7 @@ int vtest_transfer_get(UNUSED uint32_t length_dw)
int vtest_transfer_get_nop ( UNUSED uint32_t length_dw )
int vtest_transfer_get_nop ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t thdr_buf [ VCMD_TRANSFER_HDR_SIZE ] ;
uint32_t thdr_buf [ VCMD_TRANSFER_HDR_SIZE ] ;
int ret ;
int ret ;
UNUSED int level ;
UNUSED int level ;
@ -755,8 +762,8 @@ int vtest_transfer_get_nop(UNUSED uint32_t length_dw)
uint32_t data_size ;
uint32_t data_size ;
void * ptr ;
void * ptr ;
ret = renderer . input - > read ( renderer . input , thdr_buf ,
ret = ctx - > input - > read ( ctx - > input , thdr_buf ,
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
return ret ;
return ret ;
}
}
@ -774,7 +781,7 @@ int vtest_transfer_get_nop(UNUSED uint32_t length_dw)
memset ( ptr , 0 , data_size ) ;
memset ( ptr , 0 , data_size ) ;
ret = vtest_block_write ( renderer . out_fd , ptr , data_size ) ;
ret = vtest_block_write ( ctx - > out_fd , ptr , data_size ) ;
free ( ptr ) ;
free ( ptr ) ;
return ret < 0 ? ret : 0 ;
return ret < 0 ? ret : 0 ;
@ -792,8 +799,8 @@ int vtest_transfer_put(UNUSED uint32_t length_dw)
void * ptr ;
void * ptr ;
struct iovec iovec ;
struct iovec iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf ,
ret = ctx - > input - > read ( ctx - > input , thdr_buf ,
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
return ret ;
return ret ;
}
}
@ -809,7 +816,7 @@ int vtest_transfer_put(UNUSED uint32_t length_dw)
return - ENOMEM ;
return - ENOMEM ;
}
}
ret = renderer . input - > read ( renderer . input , ptr , data_size ) ;
ret = ctx - > input - > read ( ctx - > input , ptr , data_size ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
@ -834,6 +841,7 @@ int vtest_transfer_put(UNUSED uint32_t length_dw)
int vtest_transfer_put_nop ( UNUSED uint32_t length_dw )
int vtest_transfer_put_nop ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t thdr_buf [ VCMD_TRANSFER_HDR_SIZE ] ;
uint32_t thdr_buf [ VCMD_TRANSFER_HDR_SIZE ] ;
int ret ;
int ret ;
UNUSED int level ;
UNUSED int level ;
@ -842,8 +850,8 @@ int vtest_transfer_put_nop(UNUSED uint32_t length_dw)
uint32_t data_size ;
uint32_t data_size ;
void * ptr ;
void * ptr ;
ret = renderer . input - > read ( renderer . input , thdr_buf ,
ret = ctx - > input - > read ( ctx - > input , thdr_buf ,
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
VCMD_TRANSFER_HDR_SIZE * 4 ) ;
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
if ( ret ! = VCMD_TRANSFER_HDR_SIZE * 4 ) {
return ret ;
return ret ;
}
}
@ -859,7 +867,7 @@ int vtest_transfer_put_nop(UNUSED uint32_t length_dw)
return - ENOMEM ;
return - ENOMEM ;
}
}
ret = renderer . input - > read ( renderer . input , ptr , data_size ) ;
ret = ctx - > input - > read ( ctx - > input , ptr , data_size ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
@ -894,7 +902,7 @@ int vtest_transfer_get2(UNUSED uint32_t length_dw)
uint32_t offset ;
uint32_t offset ;
struct iovec * iovec ;
struct iovec * iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf , sizeof ( thdr_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , thdr_buf , sizeof ( thdr_buf ) ) ;
if ( ret ! = sizeof ( thdr_buf ) ) {
if ( ret ! = sizeof ( thdr_buf ) ) {
return ret ;
return ret ;
}
}
@ -927,6 +935,7 @@ int vtest_transfer_get2(UNUSED uint32_t length_dw)
int vtest_transfer_get2_nop ( UNUSED uint32_t length_dw )
int vtest_transfer_get2_nop ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t thdr_buf [ VCMD_TRANSFER2_HDR_SIZE ] ;
uint32_t thdr_buf [ VCMD_TRANSFER2_HDR_SIZE ] ;
int ret ;
int ret ;
UNUSED int level ;
UNUSED int level ;
@ -935,7 +944,7 @@ int vtest_transfer_get2_nop(UNUSED uint32_t length_dw)
uint32_t offset ;
uint32_t offset ;
struct iovec * iovec ;
struct iovec * iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf , sizeof ( thdr_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , thdr_buf , sizeof ( thdr_buf ) ) ;
if ( ret ! = sizeof ( thdr_buf ) ) {
if ( ret ! = sizeof ( thdr_buf ) ) {
return ret ;
return ret ;
}
}
@ -966,7 +975,7 @@ int vtest_transfer_put2(UNUSED uint32_t length_dw)
uint32_t offset ;
uint32_t offset ;
struct iovec * iovec ;
struct iovec * iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf , sizeof ( thdr_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , thdr_buf , sizeof ( thdr_buf ) ) ;
if ( ret ! = sizeof ( thdr_buf ) ) {
if ( ret ! = sizeof ( thdr_buf ) ) {
return ret ;
return ret ;
}
}
@ -995,6 +1004,7 @@ int vtest_transfer_put2(UNUSED uint32_t length_dw)
int vtest_transfer_put2_nop ( UNUSED uint32_t length_dw )
int vtest_transfer_put2_nop ( UNUSED uint32_t length_dw )
{
{
struct vtest_context * ctx = vtest_get_current_context ( ) ;
uint32_t thdr_buf [ VCMD_TRANSFER2_HDR_SIZE ] ;
uint32_t thdr_buf [ VCMD_TRANSFER2_HDR_SIZE ] ;
int ret ;
int ret ;
UNUSED int level ;
UNUSED int level ;
@ -1004,7 +1014,7 @@ int vtest_transfer_put2_nop(UNUSED uint32_t length_dw)
UNUSED uint32_t offset ;
UNUSED uint32_t offset ;
struct iovec * iovec ;
struct iovec * iovec ;
ret = renderer . input - > read ( renderer . input , thdr_buf , sizeof ( thdr_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , thdr_buf , sizeof ( thdr_buf ) ) ;
if ( ret ! = sizeof ( thdr_buf ) ) {
if ( ret ! = sizeof ( thdr_buf ) ) {
return ret ;
return ret ;
}
}
@ -1021,6 +1031,7 @@ int vtest_transfer_put2_nop(UNUSED uint32_t length_dw)
int vtest_resource_busy_wait ( UNUSED uint32_t length_dw )
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 ] ;
uint32_t bw_buf [ VCMD_BUSY_WAIT_SIZE ] ;
int ret , fd ;
int ret , fd ;
int flags ;
int flags ;
@ -1028,7 +1039,7 @@ int vtest_resource_busy_wait(UNUSED uint32_t length_dw)
uint32_t reply_buf [ 1 ] ;
uint32_t reply_buf [ 1 ] ;
bool busy = false ;
bool busy = false ;
ret = renderer . input - > read ( renderer . input , & bw_buf , sizeof ( bw_buf ) ) ;
ret = ctx - > input - > read ( ctx - > input , & bw_buf , sizeof ( bw_buf ) ) ;
if ( ret ! = sizeof ( bw_buf ) ) {
if ( ret ! = sizeof ( bw_buf ) ) {
return - 1 ;
return - 1 ;
}
}
@ -1059,12 +1070,12 @@ int vtest_resource_busy_wait(UNUSED uint32_t length_dw)
hdr_buf [ VTEST_CMD_ID ] = VCMD_RESOURCE_BUSY_WAIT ;
hdr_buf [ VTEST_CMD_ID ] = VCMD_RESOURCE_BUSY_WAIT ;
reply_buf [ 0 ] = busy ? 1 : 0 ;
reply_buf [ 0 ] = busy ? 1 : 0 ;
ret = vtest_block_write ( renderer . out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
ret = vtest_block_write ( ctx - > out_fd , hdr_buf , sizeof ( hdr_buf ) ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}
ret = vtest_block_write ( renderer . out_fd , reply_buf , sizeof ( reply_buf ) ) ;
ret = vtest_block_write ( ctx - > out_fd , reply_buf , sizeof ( reply_buf ) ) ;
if ( ret < 0 ) {
if ( ret < 0 ) {
return ret ;
return ret ;
}
}