diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/unit-tests.c | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/test/unit-tests.c b/test/unit-tests.c index bcfd348..b605728 100644 --- a/test/unit-tests.c +++ b/test/unit-tests.c @@ -360,28 +360,67 @@ test_dma_controller_remove_region_unmapped(void **state UNUSED) static void test_dma_map_sg(void **state UNUSED) { - dma_sg_t sg = { .region = 1 }; - struct iovec iovec = { 0 }; + dma_sg_t sg[] = { {.region = 0}, {.region = 1}, {.region = 2} }; + struct iovec iovec[] = { {0}, {0}, {0} }; /* bad region */ - assert_int_equal(-1, dma_map_sg(vfu_ctx.dma, &sg, &iovec, 1)); + assert_int_equal(-1, dma_map_sg(vfu_ctx.dma, &sg[0], &iovec[0], 1)); assert_int_equal(EINVAL, errno); vfu_ctx.dma->nregions = 1; /* w/o fd */ - sg.region = 0; - assert_int_equal(-1, dma_map_sg(vfu_ctx.dma, &sg, &iovec, 1)); + sg[0].region = 0; + assert_int_equal(-1, dma_map_sg(vfu_ctx.dma, &sg[0], &iovec[0], 1)); assert_int_equal(EFAULT, errno); /* w/ fd */ vfu_ctx.dma->regions[0].info.vaddr = (void *)0xdead0000; - sg.offset = 0x0000beef; - sg.length = 0xcafebabe; - assert_int_equal(0, dma_map_sg(vfu_ctx.dma, &sg, &iovec, 1)); - assert_int_equal(0xdeadbeef, iovec.iov_base); - assert_int_equal(0x00000000cafebabe, iovec.iov_len); + sg[0].offset = 0x0000beef; + sg[0].length = 0xcafebabe; + assert_int_equal(0, dma_map_sg(vfu_ctx.dma, &sg[0], &iovec[0], 1)); + assert_int_equal(0xdeadbeef, iovec[0].iov_base); + assert_int_equal(0x00000000cafebabe, iovec[0].iov_len); + + /* multiple sg entries */ + vfu_ctx.dma->nregions = 3; + vfu_ctx.dma->regions[0].info.vaddr = (void *)0xc0000; + sg[0].offset = 0; + sg[0].length = 0x20000; + vfu_ctx.dma->regions[1].info.vaddr = (void *)0xe0000; + sg[1].length = 0x20000; + vfu_ctx.dma->regions[2].info.vaddr = (void *)0x100000; + sg[2].length = 0x10000; + assert_int_equal(0, dma_map_sg(vfu_ctx.dma, sg, iovec, 3)); + assert_int_equal(0xc0000, iovec[0].iov_base); + assert_int_equal(0x20000, iovec[0].iov_len); + assert_int_equal(0xe0000, iovec[1].iov_base); + assert_int_equal(0x20000, iovec[1].iov_len); + assert_int_equal(0x100000, iovec[2].iov_base); + assert_int_equal(0x10000, iovec[2].iov_len); +} + +static void +test_dma_unmap_sg(void **state UNUSED) +{ + dma_sg_t sg[] = { {.region = 0}, {.region = 1}, {.region = 2} }; + struct iovec iovec[] = { {0}, {0}, {0} }; + + vfu_ctx.dma->nregions = 3; + vfu_ctx.dma->regions[0].info.iova.iov_base = (void *)0xc0000; + vfu_ctx.dma->regions[0].refcnt = 1; + sg[0].dma_addr = (void *)0xc0000; + vfu_ctx.dma->regions[1].info.iova.iov_base = (void *)0xe0000; + vfu_ctx.dma->regions[1].refcnt = 1; + sg[1].dma_addr = (void *)0xe0000; + vfu_ctx.dma->regions[2].info.iova.iov_base = (void *)0x100000; + vfu_ctx.dma->regions[2].refcnt = 1; + sg[2].dma_addr = (void *)0x100000; + dma_unmap_sg(vfu_ctx.dma, sg, iovec, 3); + assert_int_equal(0, vfu_ctx.dma->regions[0].refcnt); + assert_int_equal(0, vfu_ctx.dma->regions[1].refcnt); + assert_int_equal(0, vfu_ctx.dma->regions[2].refcnt); } static void @@ -749,6 +788,7 @@ main(void) cmocka_unit_test_setup(test_dma_controller_remove_region_mapped, setup), cmocka_unit_test_setup(test_dma_controller_remove_region_unmapped, setup), cmocka_unit_test_setup(test_dma_map_sg, setup), + cmocka_unit_test_setup(test_dma_unmap_sg, setup), cmocka_unit_test_setup(test_dma_addr_to_sg, setup), cmocka_unit_test_setup(test_vfu_setup_device_dma, setup), cmocka_unit_test_setup(test_migration_state_transitions, setup), |