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nvme: make opts structures packed

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This ensures that when fields are added, that the
size of the structure will change, ensuring different
versions of the structure can be detected using
sizeof.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I7d8e71531cfd8823f1594149217b841ecf490e3e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14087
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Jim Harris 2022-08-17 21:07:20 +00:00 committed by Tomasz Zawadzki
parent c50cb569de
commit 57e90e4378
1 changed files with 28 additions and 3 deletions
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31
include/spdk/nvme.h
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@ -58,6 +58,9 @@ struct spdk_nvme_ctrlr_opts {
*/
bool no_shn_notification;
/* Hole at bytes 6-7. */
uint8_t reserved6[2];
/**
* Type of arbitration mechanism
*/
@ -106,6 +109,9 @@ struct spdk_nvme_ctrlr_opts {
*/
uint8_t transport_retry_count;
/* Hole at bytes 21-23. */
uint8_t reserved21[3];
/**
* The queue depth of each NVMe I/O queue.
*/
@ -157,6 +163,9 @@ struct spdk_nvme_ctrlr_opts {
*/
uint8_t extended_host_id[16];
/* Hole at bytes 570-571. */
uint8_t reserved570[2];
/**
* The I/O command set to select.
*
@ -223,6 +232,9 @@ struct spdk_nvme_ctrlr_opts {
*/
uint16_t admin_queue_size;
/* Hole at bytes 586-591. */
uint8_t reserved586[6];
/**
* The size of spdk_nvme_ctrlr_opts according to the caller of this library is used for ABI
* compatibility. The library uses this field to know how many fields in this
@ -243,7 +255,10 @@ struct spdk_nvme_ctrlr_opts {
* Default is `false` (ANA log page is read).
*/
bool disable_read_ana_log_page;
};
/* Hole at bytes 610-616. */
uint8_t reserved610[7];
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_opts) == 616, "Incorrect size");
/**
@ -545,13 +560,17 @@ struct spdk_nvme_ns_cmd_ext_io_opts {
void *memory_domain_ctx;
/** Flags for this IO, defined in nvme_spec.h */
uint32_t io_flags;
/* Hole at bytes 28-31. */
uint8_t reserved28[4];
/** Virtual address pointer to the metadata payload, the length of metadata is specified by \ref spdk_nvme_ns_get_md_size */
void *metadata;
/** Application tag mask to use end-to-end protection information. */
uint16_t apptag_mask;
/** Application tag to use end-to-end protection information. */
uint16_t apptag;
};
/* Hole at bytes 44-47. */
uint8_t reserved44[4];
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_cmd_ext_io_opts) == 48, "Incorrect size");
/**
@ -1502,6 +1521,9 @@ struct spdk_nvme_io_qpair_opts {
bool delay_pcie_doorbell;
};
/* Hole at bytes 13-15. */
uint8_t reserved13[3];
/**
* These fields allow specifying the memory buffers for the submission and/or
* completion queues.
@ -1544,7 +1566,10 @@ struct spdk_nvme_io_qpair_opts {
* false to create io qpair synchronously.
*/
bool async_mode;
};
/* Hole at bytes 66-71. */
uint8_t reserved66[6];
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_io_qpair_opts) == 72, "Incorrect size");
/**