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nvmf: 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: Ifdbd46d3f3f2ddb9c422eeca5e3f487fd056438f
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14092
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Jim Harris 2022-08-17 22:24:28 +00:00 committed by Tomasz Zawadzki
parent 92335c01cf
commit 1ef258104d
1 changed files with 15 additions and 3 deletions
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18
include/spdk/nvmf.h
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@ -72,6 +72,9 @@ struct spdk_nvmf_transport_opts {
uint32_t buf_cache_size;
bool dif_insert_or_strip;
/* Hole at bytes 29-31. */
uint8_t reserved29[3];
uint32_t abort_timeout_sec;
/* ms */
uint32_t association_timeout;
@ -88,7 +91,10 @@ struct spdk_nvmf_transport_opts {
uint32_t acceptor_poll_rate;
/* Use zero-copy operations if the underlying bdev supports them */
bool zcopy;
};
/* Hole at bytes 61-63. */
uint8_t reserved61[3];
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvmf_transport_opts) == 64, "Incorrect size");
struct spdk_nvmf_listen_opts {
@ -101,7 +107,7 @@ struct spdk_nvmf_listen_opts {
size_t opts_size;
const struct spdk_json_val *transport_specific;
};
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvmf_listen_opts) == 16, "Incorrect size");
/**
@ -728,6 +734,9 @@ struct spdk_nvmf_ns_opts {
*/
struct spdk_uuid uuid;
/* Hole at bytes 44-47. */
uint8_t reserved44[4];
/**
* The size of spdk_nvmf_ns_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 structure
@ -742,7 +751,10 @@ struct spdk_nvmf_ns_opts {
* Set to be equal with the NSID if not specified.
*/
uint32_t anagrpid;
};
/* Hole at bytes 60-63. */
uint8_t reserved60[4];
} __attribute__((packed));
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvmf_ns_opts) == 64, "Incorrect size");
/**