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authorMax Gurtovoy <maxg@mellanox.com>2019-06-11 18:52:37 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-06-24 11:49:26 -0300
commit36b1e47ff0c196a95d5e55a05b3f988f827cce7e (patch)
tree9c80d96b0de356a15d908c717d8f97975777d675 /include/rdma/ib_verbs.h
parentRDMA/efa: Print address on AH creation failure (diff)
downloadlinux-dev-36b1e47ff0c196a95d5e55a05b3f988f827cce7e.tar.xz
linux-dev-36b1e47ff0c196a95d5e55a05b3f988f827cce7e.zip
RDMA/core: Introduce new header file for signature operations
Ease the exhausted ib_verbs.h file and make the code more readable. Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma/ib_verbs.h')
-rw-r--r--include/rdma/ib_verbs.h112
1 files changed, 1 insertions, 111 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 805148a12660..dc59fa12669a 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -63,6 +63,7 @@
#include <linux/preempt.h>
#include <uapi/rdma/ib_user_verbs.h>
#include <rdma/restrack.h>
+#include <rdma/signature.h>
#include <uapi/rdma/rdma_user_ioctl.h>
#include <uapi/rdma/ib_user_ioctl_verbs.h>
@@ -264,17 +265,6 @@ enum ib_device_cap_flags {
IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37),
};
-enum ib_signature_prot_cap {
- IB_PROT_T10DIF_TYPE_1 = 1,
- IB_PROT_T10DIF_TYPE_2 = 1 << 1,
- IB_PROT_T10DIF_TYPE_3 = 1 << 2,
-};
-
-enum ib_signature_guard_cap {
- IB_GUARD_T10DIF_CRC = 1,
- IB_GUARD_T10DIF_CSUM = 1 << 1,
-};
-
enum ib_atomic_cap {
IB_ATOMIC_NONE,
IB_ATOMIC_HCA,
@@ -799,106 +789,6 @@ enum ib_mr_type {
IB_MR_TYPE_SG_GAPS,
};
-/**
- * Signature types
- * IB_SIG_TYPE_NONE: Unprotected.
- * IB_SIG_TYPE_T10_DIF: Type T10-DIF
- */
-enum ib_signature_type {
- IB_SIG_TYPE_NONE,
- IB_SIG_TYPE_T10_DIF,
-};
-
-/**
- * Signature T10-DIF block-guard types
- * IB_T10DIF_CRC: Corresponds to T10-PI mandated CRC checksum rules.
- * IB_T10DIF_CSUM: Corresponds to IP checksum rules.
- */
-enum ib_t10_dif_bg_type {
- IB_T10DIF_CRC,
- IB_T10DIF_CSUM
-};
-
-/**
- * struct ib_t10_dif_domain - Parameters specific for T10-DIF
- * domain.
- * @bg_type: T10-DIF block guard type (CRC|CSUM)
- * @pi_interval: protection information interval.
- * @bg: seed of guard computation.
- * @app_tag: application tag of guard block
- * @ref_tag: initial guard block reference tag.
- * @ref_remap: Indicate wethear the reftag increments each block
- * @app_escape: Indicate to skip block check if apptag=0xffff
- * @ref_escape: Indicate to skip block check if reftag=0xffffffff
- * @apptag_check_mask: check bitmask of application tag.
- */
-struct ib_t10_dif_domain {
- enum ib_t10_dif_bg_type bg_type;
- u16 pi_interval;
- u16 bg;
- u16 app_tag;
- u32 ref_tag;
- bool ref_remap;
- bool app_escape;
- bool ref_escape;
- u16 apptag_check_mask;
-};
-
-/**
- * struct ib_sig_domain - Parameters for signature domain
- * @sig_type: specific signauture type
- * @sig: union of all signature domain attributes that may
- * be used to set domain layout.
- */
-struct ib_sig_domain {
- enum ib_signature_type sig_type;
- union {
- struct ib_t10_dif_domain dif;
- } sig;
-};
-
-/**
- * struct ib_sig_attrs - Parameters for signature handover operation
- * @check_mask: bitmask for signature byte check (8 bytes)
- * @mem: memory domain layout desciptor.
- * @wire: wire domain layout desciptor.
- */
-struct ib_sig_attrs {
- u8 check_mask;
- struct ib_sig_domain mem;
- struct ib_sig_domain wire;
-};
-
-enum ib_sig_err_type {
- IB_SIG_BAD_GUARD,
- IB_SIG_BAD_REFTAG,
- IB_SIG_BAD_APPTAG,
-};
-
-/**
- * Signature check masks (8 bytes in total) according to the T10-PI standard:
- * -------- -------- ------------
- * | GUARD | APPTAG | REFTAG |
- * | 2B | 2B | 4B |
- * -------- -------- ------------
- */
-enum {
- IB_SIG_CHECK_GUARD = 0xc0,
- IB_SIG_CHECK_APPTAG = 0x30,
- IB_SIG_CHECK_REFTAG = 0x0f,
-};
-
-/**
- * struct ib_sig_err - signature error descriptor
- */
-struct ib_sig_err {
- enum ib_sig_err_type err_type;
- u32 expected;
- u32 actual;
- u64 sig_err_offset;
- u32 key;
-};
-
enum ib_mr_status_check {
IB_MR_CHECK_SIG_STATUS = 1,
};