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ut/bdev/mt: prepare for multi-bdev tests

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See subsequent patches for details

Change-Id: I17dd842cb6df0b1a6ee3e2745a265cbef321336e
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/395165
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Dariusz Stojaczyk 2018-01-17 16:46:48 +01:00 committed by Jim Harris
parent 25f26f38b8
commit 5e799ff470
1 changed files with 35 additions and 28 deletions
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63
test/unit/lib/bdev/mt/bdev.c/bdev_ut.c
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@ -48,7 +48,7 @@ DEFINE_STUB_V(spdk_scsi_nvme_translate, (const struct spdk_bdev_io *bdev_io,
struct ut_bdev {
struct spdk_bdev bdev;
int io_target;
void *io_target;
};
struct ut_bdev_channel {
@ -57,6 +57,7 @@ struct ut_bdev_channel {
uint32_t avail_cnt;
};
int g_io_device;
struct ut_bdev g_bdev;
struct spdk_bdev_desc *g_desc;
bool g_teardown_done = false;
@ -86,7 +87,9 @@ stub_destroy_ch(void *io_device, void *ctx_buf)
static struct spdk_io_channel *
stub_get_io_channel(void *ctx)
{
return spdk_get_io_channel(&g_bdev.io_target);
struct ut_bdev *ut_bdev = ctx;
return spdk_get_io_channel(ut_bdev->io_target);
}
static int
@ -122,9 +125,9 @@ stub_submit_request(struct spdk_io_channel *_ch, struct spdk_bdev_io *bdev_io)
}
static uint32_t
stub_complete_io(uint32_t num_to_complete)
stub_complete_io(void *io_target, uint32_t num_to_complete)
{
struct spdk_io_channel *_ch = spdk_get_io_channel(&g_bdev.io_target);
struct spdk_io_channel *_ch = spdk_get_io_channel(io_target);
struct ut_bdev_channel *ch = spdk_io_channel_get_ctx(_ch);
struct spdk_bdev_io *io;
bool complete_all = (num_to_complete == 0);
@ -166,27 +169,28 @@ module_fini(void)
SPDK_BDEV_MODULE_REGISTER(bdev_ut, module_init, module_fini, NULL, NULL, NULL)
static void
register_bdev(void)
register_bdev(struct ut_bdev *ut_bdev, char *name, void *io_target)
{
g_bdev.bdev.name = "bdev_ut";
g_bdev.bdev.fn_table = &fn_table;
g_bdev.bdev.module = SPDK_GET_BDEV_MODULE(bdev_ut);
g_bdev.bdev.blocklen = 4096;
g_bdev.bdev.blockcnt = 1024;
memset(ut_bdev, 0, sizeof(*ut_bdev));
spdk_io_device_register(&g_bdev.io_target, stub_create_ch, stub_destroy_ch,
sizeof(struct ut_bdev_channel));
spdk_bdev_register(&g_bdev.bdev);
ut_bdev->io_target = io_target;
ut_bdev->bdev.ctxt = ut_bdev;
ut_bdev->bdev.name = name;
ut_bdev->bdev.fn_table = &fn_table;
ut_bdev->bdev.module = SPDK_GET_BDEV_MODULE(bdev_ut);
ut_bdev->bdev.blocklen = 4096;
ut_bdev->bdev.blockcnt = 1024;
spdk_bdev_register(&ut_bdev->bdev);
}
static void
unregister_bdev(void)
unregister_bdev(struct ut_bdev *ut_bdev)
{
/* Handle any deferred messages. */
poll_threads();
spdk_bdev_unregister(&g_bdev.bdev, NULL, NULL);
spdk_io_device_unregister(&g_bdev.io_target, NULL);
memset(&g_bdev, 0, sizeof(g_bdev));
spdk_bdev_unregister(&ut_bdev->bdev, NULL, NULL);
memset(ut_bdev, 0, sizeof(*ut_bdev));
}
static void
@ -203,7 +207,9 @@ setup_test(void)
allocate_threads(BDEV_UT_NUM_THREADS);
spdk_bdev_initialize(bdev_init_cb, &done);
register_bdev();
spdk_io_device_register(&g_io_device, stub_create_ch, stub_destroy_ch,
sizeof(struct ut_bdev_channel));
register_bdev(&g_bdev, "ut_bdev", &g_io_device);
spdk_bdev_open(&g_bdev.bdev, true, NULL, NULL, &g_desc);
}
@ -219,7 +225,8 @@ teardown_test(void)
g_teardown_done = false;
spdk_bdev_close(g_desc);
g_desc = NULL;
unregister_bdev();
unregister_bdev(&g_bdev);
spdk_io_device_unregister(&g_io_device, NULL);
spdk_bdev_finish(finish_cb, NULL);
poll_threads();
CU_ASSERT(g_teardown_done == true);
@ -270,7 +277,7 @@ put_channel_during_reset(void)
spdk_bdev_reset(g_desc, io_ch, reset_done, &done);
spdk_put_io_channel(io_ch);
poll_threads();
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
teardown_test();
}
@ -331,7 +338,7 @@ aborted_reset(void)
*/
set_thread(0);
spdk_put_io_channel(io_ch[0]);
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
poll_threads();
CU_ASSERT(status1 == SPDK_BDEV_IO_STATUS_SUCCESS);
CU_ASSERT(g_bdev.bdev.reset_in_progress == NULL);
@ -383,11 +390,11 @@ io_during_reset(void)
CU_ASSERT(status1 == SPDK_BDEV_IO_STATUS_PENDING);
set_thread(0);
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
CU_ASSERT(status0 == SPDK_BDEV_IO_STATUS_SUCCESS);
set_thread(1);
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
CU_ASSERT(status1 == SPDK_BDEV_IO_STATUS_SUCCESS);
/*
@ -429,7 +436,7 @@ io_during_reset(void)
* Complete the reset
*/
set_thread(0);
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
/*
* Only poll thread 0. We should not get a completion.
@ -534,19 +541,19 @@ enomem(void)
* changed since completing just 1 I/O should not trigger retrying the queued nomem_io
* list.
*/
stub_complete_io(1);
stub_complete_io(g_bdev.io_target, 1);
CU_ASSERT(bdev_io_tailq_cnt(&bdev_ch->nomem_io) == nomem_cnt);
/*
* Complete enough I/O to hit the nomem_theshold. This should trigger retrying nomem_io,
* and we should see I/O get resubmitted to the test bdev module.
*/
stub_complete_io(NOMEM_THRESHOLD_COUNT - 1);
stub_complete_io(g_bdev.io_target, NOMEM_THRESHOLD_COUNT - 1);
CU_ASSERT(bdev_io_tailq_cnt(&bdev_ch->nomem_io) < nomem_cnt);
nomem_cnt = bdev_io_tailq_cnt(&bdev_ch->nomem_io);
/* Complete 1 I/O only. This should not trigger retrying the queued nomem_io. */
stub_complete_io(1);
stub_complete_io(g_bdev.io_target, 1);
CU_ASSERT(bdev_io_tailq_cnt(&bdev_ch->nomem_io) == nomem_cnt);
/*
@ -558,7 +565,7 @@ enomem(void)
poll_threads();
CU_ASSERT(rc == 0);
/* This will complete the reset. */
stub_complete_io(0);
stub_complete_io(g_bdev.io_target, 0);
CU_ASSERT(bdev_io_tailq_cnt(&bdev_ch->nomem_io) == 0);
CU_ASSERT(bdev_ch->io_outstanding == 0);