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bdev/ocssd: zone reset command

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Added zone reset command.  It's very similar to a regular data set
management deallocate command with the only difference being that it
operates on zones instead of blocks.

Change-Id: Iae4d77c6877b6906231336b13fad1167de149f20
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467920
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Konrad Sztyber 2019-09-09 10:32:03 +02:00 committed by Tomasz Zawadzki
parent b9395621ae
commit 704830b3b7
2 changed files with 74 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
module/bdev/nvme/bdev_ocssd.c
View File

@ -33,6 +33,7 @@
#include "spdk/stdinc.h"
#include "spdk/bdev_module.h"
#include "spdk/bdev_zone.h"
#include "spdk/likely.h"
#include "spdk/log.h"
#include "spdk/string.h"
@ -51,8 +52,9 @@ struct bdev_ocssd_lba_offsets {
};
struct bdev_ocssd_io {
size_t iov_pos;
size_t iov_off;
size_t iov_pos;
size_t iov_off;
uint64_t lba[SPDK_NVME_OCSSD_MAX_LBAL_ENTRIES];
};
struct ocssd_bdev {
@ -297,6 +299,50 @@ bdev_ocssd_io_get_buf_cb(struct spdk_io_channel *ioch, struct spdk_bdev_io *bdev
}
}
static void
bdev_ocssd_reset_zone_cb(void *ctx, const struct spdk_nvme_cpl *cpl)
{
struct spdk_bdev_io *bdev_io = ctx;
spdk_bdev_io_complete_nvme_status(bdev_io, 0, cpl->status.sct, cpl->status.sc);
}
static int
bdev_ocssd_reset_zone(struct spdk_io_channel *ioch, struct spdk_bdev_io *bdev_io,
uint64_t slba, size_t num_zones)
{
struct ocssd_bdev *ocssd_bdev = bdev_io->bdev->ctxt;
struct nvme_bdev *nvme_bdev = &ocssd_bdev->nvme_bdev;
struct nvme_io_channel *nvme_ioch = spdk_io_channel_get_ctx(ioch);
struct bdev_ocssd_io *ocdev_io = (struct bdev_ocssd_io *)bdev_io->driver_ctx;
uint64_t offset, zone_size = nvme_bdev->disk.zone_size;
if (num_zones > 1) {
SPDK_ERRLOG("Exceeded maximum number of zones per single reset: 1\n");
return -EINVAL;
}
for (offset = 0; offset < num_zones; ++offset) {
ocdev_io->lba[offset] = bdev_ocssd_to_disk_lba(ocssd_bdev,
slba + offset * zone_size);
}
return spdk_nvme_ocssd_ns_cmd_vector_reset(nvme_bdev->nvme_ns->ns, nvme_ioch->qpair, ocdev_io->lba,
num_zones, NULL, bdev_ocssd_reset_zone_cb, bdev_io);
}
static int
bdev_ocssd_zone_management(struct spdk_io_channel *ioch, struct spdk_bdev_io *bdev_io)
{
switch (bdev_io->u.zone_mgmt.zone_action) {
case SPDK_BDEV_ZONE_RESET:
return bdev_ocssd_reset_zone(ioch, bdev_io, bdev_io->u.zone_mgmt.zone_id,
bdev_io->u.zone_mgmt.num_zones);
default:
return -EINVAL;
}
}
static void
bdev_ocssd_submit_request(struct spdk_io_channel *ioch, struct spdk_bdev_io *bdev_io)
{
@ -312,6 +358,10 @@ bdev_ocssd_submit_request(struct spdk_io_channel *ioch, struct spdk_bdev_io *bde
rc = bdev_ocssd_write(ioch, bdev_io);
break;
case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
rc = bdev_ocssd_zone_management(ioch, bdev_io);
break;
default:
rc = -EINVAL;
break;
@ -332,6 +382,7 @@ bdev_ocssd_io_type_supported(void *ctx, enum spdk_bdev_io_type type)
switch (type) {
case SPDK_BDEV_IO_TYPE_READ:
case SPDK_BDEV_IO_TYPE_WRITE:
case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
return true;
default:

21
test/unit/lib/bdev/bdev_ocssd.c/bdev_ocssd_ut.c
View File

@ -287,6 +287,12 @@ spdk_bdev_unregister(struct spdk_bdev *bdev, spdk_bdev_unregister_cb cb_fn, void
}
}
size_t
spdk_bdev_get_zone_size(const struct spdk_bdev *bdev)
{
return bdev->zone_size;
}
int
spdk_nvme_ocssd_ctrlr_cmd_geometry(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
void *payload, uint32_t payload_size,
@ -399,6 +405,21 @@ spdk_nvme_ns_cmd_writev_with_md(struct spdk_nvme_ns *ns, struct spdk_nvme_qpair
return 0;
}
int
spdk_nvme_ocssd_ns_cmd_vector_reset(struct spdk_nvme_ns *ns,
struct spdk_nvme_qpair *qpair,
uint64_t *lba_list, uint32_t num_lbas,
struct spdk_ocssd_chunk_information_entry *chunk_info,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
req = alloc_request(cb_fn, cb_arg);
TAILQ_INSERT_TAIL(&qpair->requests, req, tailq);
return 0;
}
static void
create_bdev_cb(const char *bdev_name, int status, void *ctx)
{