Acc August 2025

acc@lists.linaro.org

1 participants
2 discussions

[PATCH 01/10] uadk: remove nosva limitation

by Zhangfei Gao

Remove nosva limitation to permit nosva run Signed-off-by: Zhangfei Gao <zhangfei.gao(a)linaro.org> --- wd.c | 4 ---- wd_alg.c | 44 +------------------------------------------- wd_util.c | 4 ---- 3 files changed, 1 insertion(+), 51 deletions(-) diff --git a/wd.c b/wd.c index 75a9469..5fa8feb 100644 --- a/wd.c +++ b/wd.c @@ -235,10 +235,6 @@ static int get_dev_info(struct uacce_dev *dev) ret = get_int_attr(dev, "flags", &dev->flags); if (ret < 0) return ret; - else if (!((unsigned int)dev->flags & UACCE_DEV_SVA)) { - WD_ERR("skip none sva uacce device!\n"); - return -WD_ENODEV; - } ret = get_int_attr(dev, "region_mmio_size", &value); if (ret < 0) diff --git a/wd_alg.c b/wd_alg.c index 08f0e2e..45619ba 100644 --- a/wd_alg.c +++ b/wd_alg.c @@ -23,47 +23,6 @@ static struct wd_alg_list alg_list_head; static struct wd_alg_list *alg_list_tail = &alg_list_head; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; - -static bool wd_check_dev_sva(const char *dev_name) -{ - char dev_path[PATH_MAX] = {'\0'}; - char buf[DEV_SVA_SIZE] = {'\0'}; - unsigned int val; - ssize_t ret; - int fd; - - ret = snprintf(dev_path, PATH_STR_SIZE, "%s/%s/%s", SYS_CLASS_DIR, - dev_name, SVA_FILE_NAME); - if (ret < 0) { - WD_ERR("failed to snprintf, device name: %s!\n", dev_name); - return false; - } - - /** - * The opened file is the specified device driver file. - * no need for realpath processing. - */ - fd = open(dev_path, O_RDONLY, 0); - if (fd < 0) { - WD_ERR("failed to open %s(%d)!\n", dev_path, -errno); - return false; - } - - ret = read(fd, buf, DEV_SVA_SIZE - 1); - if (ret <= 0) { - WD_ERR("failed to read anything at %s!\n", dev_path); - close(fd); - return false; - } - close(fd); - - val = strtol(buf, NULL, STR_DECIMAL); - if (val & UACCE_DEV_SVA) - return true; - - return false; -} - static bool wd_check_accel_dev(const char *dev_name) { struct dirent *dev_dir; @@ -80,8 +39,7 @@ static bool wd_check_accel_dev(const char *dev_name) !strncmp(dev_dir->d_name, "..", LINUX_PRTDIR_SIZE)) continue; - if (!strncmp(dev_dir->d_name, dev_name, strlen(dev_name)) && - wd_check_dev_sva(dev_dir->d_name)) { + if (!strncmp(dev_dir->d_name, dev_name, strlen(dev_name))) { closedir(wd_class); return true; } diff --git a/wd_util.c b/wd_util.c index f1b27bf..9675098 100644 --- a/wd_util.c +++ b/wd_util.c @@ -1883,10 +1883,6 @@ int wd_init_param_check(struct wd_ctx_config *config, struct wd_sched *sched) return -WD_EINVAL; } - if (!wd_is_sva(config->ctxs[0].ctx)) { - WD_ERR("invalid: the mode is non sva, please check system!\n"); - return -WD_EINVAL; - } return 0; } -- 2.25.1

2 days, 5 hours

调用流程 nosva

by Zhangfei Gao

调用流程 nosva: flat init/init2 -> setup.block_size = DEFAULT_BLOCK_SIZE; setup.block_num = DEFAULT_BLOCK_NM; setup.align_size = DEFAULT_ALIGN_SIZE; g_blkpool = wd_comp_setup_blkpool(&setup) ->alloc_sess -> if (g_blkpool) { void *src = wd_blkpool_alloc(g_blkpool, size) void *dst = wd_blkpool_alloc(g_blkpool, size) } else { void *src = malloc(size); void *dst = malloc(size); } -> do_sync /aysnc -> if (g_blkpool) { wd_blkpool_free(g_blkpool, src) wd_blkpool_free(g_blkpool, dst) } else { free(src); free(dst); } -> free_sess -> uninit/uninit2 调用流程 nosva sgl init/init2 -> setup.block_size = DEFAULT_BLOCK_SIZE; setup.block_num = DEFAULT_BLOCK_NM; setup.align_size = DEFAULT_ALIGN_SIZE; g_blkpool = wd_comp_setup_blkpool(&setup) ->alloc_sess -> struct wd_datalist src_list = calloc(n, sizeof(struct wd_datalist)); for (int i = 0; i < n; i++) { if (g_blkpool) src_list[i].data = wd_blkpool_alloc(g_blkpool, size); else src_list[i].data = malloc(size); if (i < n-1) src_list[i].next = src_list[i+1]; } -> do_sync /aysnc -> for (int i = 0; i < n; i++) { if (g_blkpool) wd_blkpool_free(g_blkpool, src_list[i].data); else free(src_list[i].data); } free(src_list); -> free_sess -> uninit/uninit2

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Acc August 2025