d/numam-spdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

bdev/ftl: write_config_json support

Browse Source 
Change-Id: Ifbd2b61ef38b216a8c7071f1206c0370dbe496e6
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442980
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
This commit is contained in:
Wojciech Malikowski 2019-01-28 08:12:21 -05:00 committed by Jim Harris
parent 8cda50fd96
commit 5f959d5f0c
2 changed files with 33 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
lib/bdev/ftl/bdev_ftl.c
View File

@ -107,7 +107,6 @@ static pthread_mutex_t g_ftl_bdev_lock;
static int bdev_ftl_initialize(void);
static void bdev_ftl_finish(void);
static void bdev_ftl_get_spdk_running_config(FILE *fp);
static int
bdev_ftl_get_ctx_size(void)
@ -121,8 +120,6 @@ static struct spdk_bdev_module g_ftl_if = {
.async_fini = true,
.module_init = bdev_ftl_initialize,
.module_fini = bdev_ftl_finish,
/* TODO: Replace config_text with config_json */
.config_text = bdev_ftl_get_spdk_running_config,
.get_ctx_size = bdev_ftl_get_ctx_size,
};
@ -401,7 +398,34 @@ bdev_ftl_get_io_channel(void *ctx)
static void
bdev_ftl_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
{
/* TODO: implement me! */
struct ftl_bdev *ftl_bdev = bdev->ctxt;
struct spdk_ftl_attrs attrs;
const char *trtype_str;
char uuid[SPDK_UUID_STRING_LEN];
spdk_ftl_dev_get_attrs(ftl_bdev->dev, &attrs);
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "method", "construct_ftl_bdev");
spdk_json_write_named_object_begin(w, "params");
spdk_json_write_named_string(w, "name", ftl_bdev->bdev.name);
trtype_str = spdk_nvme_transport_id_trtype_str(ftl_bdev->ctrlr->trid.trtype);
if (trtype_str) {
spdk_json_write_named_string(w, "trtype", trtype_str);
}
spdk_json_write_named_string(w, "traddr", ftl_bdev->ctrlr->trid.traddr);
spdk_json_write_named_string_fmt(w, "punits", "%d-%d", attrs.range.begin, attrs.range.end);
spdk_uuid_fmt_lower(uuid, sizeof(uuid), &attrs.uuid);
spdk_json_write_named_string(w, "uuid", uuid);
spdk_json_write_object_end(w);
spdk_json_write_object_end(w);
}
static const struct spdk_bdev_fn_table ftl_fn_table = {
@ -909,10 +933,4 @@ bdev_ftl_finish(void)
pthread_mutex_unlock(&g_ftl_bdev_lock);
}
static void
bdev_ftl_get_spdk_running_config(FILE *fp)
{
fprintf(fp, "\n[Ftl]\n");
}
SPDK_LOG_REGISTER_COMPONENT("bdev_ftl", SPDK_LOG_BDEV_FTL)

8
test/ftl/restore.sh
View File

@ -18,6 +18,7 @@ restore_kill() {
fi
rm -rf $mount_dir
rm -f $testdir/testfile.md5
rm -f $testdir/config/ftl.json
$rpc_py delete_ftl_bdev -b nvme0
killprocess $svcpid
@ -33,7 +34,7 @@ waitforlisten $svcpid
if [ -n "$uuid" ]; then
$rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3 -u $uuid
else
uuid=$($rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3 | jq -r '.uuid')
$rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3
fi
# Load the nbd driver
@ -41,6 +42,8 @@ modprobe nbd
$rpc_py start_nbd_disk nvme0 /dev/nbd0
waitfornbd nbd0
$rpc_py save_config > $testdir/config/ftl.json
# Prepare the disk by creating ext4 fs and putting a file on it
mkfs.ext4 -F /dev/nbd0
mount /dev/nbd0 $mount_dir
@ -56,9 +59,8 @@ killprocess $svcpid
$rootdir/test/app/bdev_svc/bdev_svc --max-delay=0 & svcpid=$!
# Wait until bdev_svc starts
waitforlisten $svcpid
$rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3 -u $uuid
$rpc_py start_nbd_disk nvme0 /dev/nbd0
$rpc_py load_config < $testdir/config/ftl.json
mount /dev/nbd0 $mount_dir
md5sum -c $testdir/testfile.md5