From c3e35a0966b8c090a7546217360cdc53cc3bddfd Mon Sep 17 00:00:00 2001 From: Anatoly Burakov Date: Thu, 13 Dec 2018 11:43:19 +0000 Subject: [PATCH] test/mem: check segment fd API Use memory autotest to also test segment fd API. This will not do any checks - just see if the relevant API's return success or indicate that the API is not supported. Signed-off-by: Anatoly Burakov Acked-by: Tiwei Bie Reviewed-by: Maxime Coquelin --- test/test/test_memory.c | 43 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/test/test/test_memory.c b/test/test/test_memory.c index b96bca771a..3da803e4e1 100644 --- a/test/test/test_memory.c +++ b/test/test/test_memory.c @@ -37,10 +37,44 @@ check_mem(const struct rte_memseg_list *msl __rte_unused, return 0; } +static int +check_seg_fds(const struct rte_memseg_list *msl, const struct rte_memseg *ms, + void *arg __rte_unused) +{ + size_t offset; + int ret; + + /* skip external segments */ + if (msl->external) + return 0; + + /* try segment fd first. we're in a callback, so thread-unsafe */ + ret = rte_memseg_get_fd_thread_unsafe(ms); + if (ret < 0) { + /* ENOTSUP means segment is valid, but there is not support for + * segment fd API (e.g. on FreeBSD). + */ + if (errno == ENOTSUP) + return 1; + /* all other errors are treated as failures */ + return -1; + } + + /* we're able to get memseg fd - try getting its offset */ + ret = rte_memseg_get_fd_offset_thread_unsafe(ms, &offset); + if (ret < 0) { + if (errno == ENOTSUP) + return 1; + return -1; + } + return 0; +} + static int test_memory(void) { uint64_t s; + int ret; /* * dump the mapped memory: the python-expect script checks @@ -59,6 +93,15 @@ test_memory(void) /* try to read memory (should not segfault) */ rte_memseg_walk(check_mem, NULL); + /* check segment fd support */ + ret = rte_memseg_walk(check_seg_fds, NULL); + if (ret == 1) { + printf("Segment fd API is unsupported\n"); + } else if (ret == -1) { + printf("Error getting segment fd's\n"); + return -1; + } + return 0; } -- 2.20.1