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lib/bdev: zoned info in get_bdevs RPC call

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Zoned bdev properties were added to the result of the get_bdevs RPC
call:
 - zoned: indicates whether the device is zoned or a regular
   block device
 - zone_size: number of blocks in a single zone
 - max_open_zones: maximum number of open zones
 - optimal_open_zones: optimal number of open zones

The "zoned" field is a boolean and is always present, while the rest is
only available for zoned bdevs.

Change-Id: Ib82b39d4ab20543d0a754dbc4c0317885fb831d1
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467144
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Konrad Sztyber 2019-08-27 14:17:46 +02:00 committed by Jim Harris
parent 724357e6c3
commit c94ecfaedc
4 changed files with 19 additions and 1 deletions
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9
CHANGELOG.md
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@ -7,6 +7,15 @@
Added `spdk_bdev_get_write_unit_size()` function for retrieving required number Added `spdk_bdev_get_write_unit_size()` function for retrieving required number
of logical blocks for write operation. of logical blocks for write operation.
New zone-related fields were added to the result of the `get_bdevs` RPC call:
- `zoned`: indicates whether the device is zoned or a regular
block device
- `zone_size`: number of blocks in a single zone
- `max_open_zones`: maximum number of open zones
- `optimal_open_zones`: optimal number of open zones
The `zoned` field is a boolean and is always present, while the rest is only available for zoned
bdevs.
### nvmf ### nvmf
The `spdk_nvmf_tgt_create` function now accepts an object of type `spdk_nvmf_target_opts` The `spdk_nvmf_tgt_create` function now accepts an object of type `spdk_nvmf_target_opts`

1
doc/jsonrpc.md
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@ -611,6 +611,7 @@ Example response:
"block_size": 512, "block_size": 512,
"num_blocks": 20480, "num_blocks": 20480,
"claimed": false, "claimed": false,
"zoned": false,
"supported_io_types": { "supported_io_types": {
"read": true, "read": true,
"write": true, "write": true,

7
module/bdev/rpc/bdev_rpc.c
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@ -267,6 +267,13 @@ spdk_rpc_dump_bdev_info(struct spdk_json_write_ctx *w,
spdk_json_write_named_bool(w, "claimed", (bdev->internal.claim_module != NULL)); spdk_json_write_named_bool(w, "claimed", (bdev->internal.claim_module != NULL));
spdk_json_write_named_bool(w, "zoned", bdev->zoned);
if (bdev->zoned) {
spdk_json_write_named_uint64(w, "zone_size", bdev->zone_size);
spdk_json_write_named_uint64(w, "max_open_zones", bdev->max_open_zones);
spdk_json_write_named_uint64(w, "optimal_open_zones", bdev->optimal_open_zones);
}
spdk_json_write_named_object_begin(w, "supported_io_types"); spdk_json_write_named_object_begin(w, "supported_io_types");
spdk_json_write_named_bool(w, "read", spdk_json_write_named_bool(w, "read",
spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_READ)); spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_READ));

3
test/spdkcli/match_files/spdkcli_details_vhost.test.match
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@ -27,5 +27,6 @@
"write": $(S), "write": $(S),
"write_zeroes": $(S) "write_zeroes": $(S)
}, },
"uuid": "$(S)" "uuid": "$(S)",
"zoned": false
} }