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RDMA/cm: Remove CM message structs 

All accesses now use the new IBA acessor scheme, so delete the structs
entirely and generate the structures from the schema file.

Link: https://lore.kernel.org/r/20200116170037.30109-8-jgg@ziepe.ca
Tested-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2020-01-16 13:00:37 -04:00
Родитель 4ca662a30a
Коммит 13e0af1801
3 изменённых файлов: 6 добавлений и 289 удалений
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77
drivers/infiniband/core/cm.c
Просмотреть файл

@ -4426,83 +4426,6 @@ static void cm_remove_one(struct ib_device *ib_device, void *client_data)
kfree(cm_dev); kfree(cm_dev);
} }
/*
* Check at compile time that the byte offset and length of field old_name in
* the struct matches the byte offset and length in the new macro.
*/
#define _IBA_CHECK_OFF(old_name, field_struct, field_offset, mask, bits) \
static_assert(offsetof(field_struct, old_name) == (field_offset)); \
static_assert(bits == sizeof(((field_struct *)0)->old_name) * 8)
#define IBA_CHECK_OFF(field, old_name) _IBA_CHECK_OFF(old_name, field)
IBA_CHECK_OFF(CM_REQ_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_REQ_SERVICE_ID, service_id);
IBA_CHECK_OFF(CM_REQ_LOCAL_CA_GUID, local_ca_guid);
IBA_CHECK_OFF(CM_REQ_LOCAL_Q_KEY, local_qkey);
IBA_CHECK_OFF(CM_REQ_PARTITION_KEY, pkey);
IBA_CHECK_OFF(CM_REQ_PRIMARY_LOCAL_PORT_LID, primary_local_lid);
IBA_CHECK_OFF(CM_REQ_PRIMARY_REMOTE_PORT_LID, primary_remote_lid);
IBA_CHECK_OFF(CM_REQ_PRIMARY_LOCAL_PORT_GID, primary_local_gid);
IBA_CHECK_OFF(CM_REQ_PRIMARY_REMOTE_PORT_GID, primary_remote_gid);
IBA_CHECK_OFF(CM_REQ_PRIMARY_TRAFFIC_CLASS, primary_traffic_class);
IBA_CHECK_OFF(CM_REQ_PRIMARY_HOP_LIMIT, primary_hop_limit);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_LOCAL_PORT_LID, alt_local_lid);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_REMOTE_PORT_LID, alt_remote_lid);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_LOCAL_PORT_GID, alt_local_gid);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_REMOTE_PORT_GID, alt_remote_gid);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_TRAFFIC_CLASS, alt_traffic_class);
IBA_CHECK_OFF(CM_REQ_ALTERNATE_HOP_LIMIT, alt_hop_limit);
IBA_CHECK_OFF(CM_REQ_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_MRA_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_MRA_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_MRA_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_REJ_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_REJ_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_REJ_REASON, reason);
IBA_CHECK_OFF(CM_REJ_ARI, ari);
IBA_CHECK_OFF(CM_REJ_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_REP_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_REP_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_REP_LOCAL_Q_KEY, local_qkey);
IBA_CHECK_OFF(CM_REP_RESPONDER_RESOURCES, resp_resources);
IBA_CHECK_OFF(CM_REP_INITIATOR_DEPTH, initiator_depth);
IBA_CHECK_OFF(CM_REP_LOCAL_CA_GUID, local_ca_guid);
IBA_CHECK_OFF(CM_REP_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_RTU_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_RTU_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_RTU_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_DREQ_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_DREQ_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_DREQ_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_DREP_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_DREP_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_DREP_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_LAP_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_LAP_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_LAP_ALTERNATE_LOCAL_PORT_LID, alt_local_lid);
IBA_CHECK_OFF(CM_LAP_ALTERNATE_REMOTE_PORT_LID, alt_remote_lid);
IBA_CHECK_OFF(CM_LAP_ALTERNATE_LOCAL_PORT_GID, alt_local_gid);
IBA_CHECK_OFF(CM_LAP_ALTERNATE_REMOTE_PORT_GID, alt_remote_gid);
IBA_CHECK_OFF(CM_LAP_ALTERNATE_HOP_LIMIT, alt_hop_limit);
IBA_CHECK_OFF(CM_LAP_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_APR_LOCAL_COMM_ID, local_comm_id);
IBA_CHECK_OFF(CM_APR_REMOTE_COMM_ID, remote_comm_id);
IBA_CHECK_OFF(CM_APR_ADDITIONAL_INFORMATION_LENGTH, info_length);
IBA_CHECK_OFF(CM_APR_AR_STATUS, ap_status);
IBA_CHECK_OFF(CM_APR_ADDITIONAL_INFORMATION, info);
IBA_CHECK_OFF(CM_APR_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_SIDR_REQ_REQUESTID, request_id);
IBA_CHECK_OFF(CM_SIDR_REQ_PARTITION_KEY, pkey);
IBA_CHECK_OFF(CM_SIDR_REQ_SERVICEID, service_id);
IBA_CHECK_OFF(CM_SIDR_REQ_PRIVATE_DATA, private_data);
IBA_CHECK_OFF(CM_SIDR_REP_REQUESTID, request_id);
IBA_CHECK_OFF(CM_SIDR_REP_STATUS, status);
IBA_CHECK_OFF(CM_SIDR_REP_ADDITIONAL_INFORMATION_LENGTH, info_length);
IBA_CHECK_OFF(CM_SIDR_REP_SERVICEID, service_id);
IBA_CHECK_OFF(CM_SIDR_REP_Q_KEY, qkey);
IBA_CHECK_OFF(CM_SIDR_REP_ADDITIONAL_INFORMATION, info);
IBA_CHECK_OFF(CM_SIDR_REP_PRIVATE_DATA, private_data);
static int __init ib_cm_init(void) static int __init ib_cm_init(void)
{ {
int ret; int ret;

211
drivers/infiniband/core/cm_msgs.h
Просмотреть файл

@ -19,62 +19,6 @@
#define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */
struct cm_req_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 rsvd4;
__be64 service_id;
__be64 local_ca_guid;
__be32 rsvd24;
__be32 local_qkey;
/* local QPN:24, responder resources:8 */
__be32 offset32;
/* local EECN:24, initiator depth:8 */
__be32 offset36;
/*
* remote EECN:24, remote CM response timeout:5,
* transport service type:2, end-to-end flow control:1
*/
__be32 offset40;
/* starting PSN:24, local CM response timeout:5, retry count:3 */
__be32 offset44;
__be16 pkey;
/* path MTU:4, RDC exists:1, RNR retry count:3. */
u8 offset50;
/* max CM Retries:4, SRQ:1, extended transport type:3 */
u8 offset51;
__be16 primary_local_lid;
__be16 primary_remote_lid;
union ib_gid primary_local_gid;
union ib_gid primary_remote_gid;
/* flow label:20, rsvd:6, packet rate:6 */
__be32 primary_offset88;
u8 primary_traffic_class;
u8 primary_hop_limit;
/* SL:4, subnet local:1, rsvd:3 */
u8 primary_offset94;
/* local ACK timeout:5, rsvd:3 */
u8 primary_offset95;
__be16 alt_local_lid;
__be16 alt_remote_lid;
union ib_gid alt_local_gid;
union ib_gid alt_remote_gid;
/* flow label:20, rsvd:6, packet rate:6 */
__be32 alt_offset132;
u8 alt_traffic_class;
u8 alt_hop_limit;
/* SL:4, subnet local:1, rsvd:3 */
u8 alt_offset138;
/* local ACK timeout:5, rsvd:3 */
u8 alt_offset139;
u32 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
} __packed;
static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
{ {
u8 transport_type = IBA_GET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg); u8 transport_type = IBA_GET(CM_REQ_TRANSPORT_SERVICE_TYPE, req_msg);
@ -113,60 +57,6 @@ enum cm_msg_response {
CM_MSG_RESPONSE_OTHER = 0x2 CM_MSG_RESPONSE_OTHER = 0x2
}; };
struct cm_mra_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
/* message MRAed:2, rsvd:6 */
u8 offset8;
/* service timeout:5, rsvd:3 */
u8 offset9;
u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
} __packed;
struct cm_rej_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
/* message REJected:2, rsvd:6 */
u8 offset8;
/* reject info length:7, rsvd:1. */
u8 offset9;
__be16 reason;
u8 ari[IB_CM_REJ_ARI_LENGTH];
u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
} __packed;
struct cm_rep_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
__be32 local_qkey;
/* local QPN:24, rsvd:8 */
__be32 offset12;
/* local EECN:24, rsvd:8 */
__be32 offset16;
/* starting PSN:24 rsvd:8 */
__be32 offset20;
u8 resp_resources;
u8 initiator_depth;
/* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */
u8 offset26;
/* RNR retry count:3, SRQ:1, rsvd:5 */
u8 offset27;
__be64 local_ca_guid;
u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
} __packed;
static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type) static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type)
{ {
return (qp_type == IB_QPT_XRC_INI) ? return (qp_type == IB_QPT_XRC_INI) ?
@ -175,105 +65,4 @@ static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type
cpu_to_be32(IBA_GET(CM_REP_LOCAL_QPN, rep_msg)); cpu_to_be32(IBA_GET(CM_REP_LOCAL_QPN, rep_msg));
} }
struct cm_rtu_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
} __packed;
struct cm_dreq_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
/* remote QPN/EECN:24, rsvd:8 */
__be32 offset8;
u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
} __packed;
struct cm_drep_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
} __packed;
struct cm_lap_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
__be32 rsvd8;
/* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
__be32 offset12;
__be32 rsvd16;
__be16 alt_local_lid;
__be16 alt_remote_lid;
union ib_gid alt_local_gid;
union ib_gid alt_remote_gid;
/* flow label:20, rsvd:4, traffic class:8 */
__be32 offset56;
u8 alt_hop_limit;
/* rsvd:2, packet rate:6 */
u8 offset61;
/* SL:4, subnet local:1, rsvd:3 */
u8 offset62;
/* local ACK timeout:5, rsvd:3 */
u8 offset63;
u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
} __packed;
struct cm_apr_msg {
struct ib_mad_hdr hdr;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 info_length;
u8 ap_status;
__be16 rsvd;
u8 info[IB_CM_APR_INFO_LENGTH];
u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
} __packed;
struct cm_sidr_req_msg {
struct ib_mad_hdr hdr;
__be32 request_id;
__be16 pkey;
__be16 rsvd;
__be64 service_id;
u32 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
} __packed;
struct cm_sidr_rep_msg {
struct ib_mad_hdr hdr;
__be32 request_id;
u8 status;
u8 info_length;
__be16 rsvd;
/* QPN:24, rsvd:8 */
__be32 offset8;
__be64 service_id;
__be32 qkey;
u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
} __packed;
#endif /* CM_MSGS_H */ #endif /* CM_MSGS_H */

7
include/rdma/ibta_vol1_c12.h
Просмотреть файл

@ -29,7 +29,12 @@
IBA_FIELD_MLOC(field_struct, \ IBA_FIELD_MLOC(field_struct, \
(byte_offset + sizeof(struct ib_mad_hdr)), width, type) (byte_offset + sizeof(struct ib_mad_hdr)), width, type)
#define CM_STRUCT(field_struct, total_len) \ #define CM_STRUCT(field_struct, total_len) \
static_assert((total_len) % 32 == 0); field_struct \
{ \
struct ib_mad_hdr hdr; \
u32 _data[(total_len) / 32 + \
BUILD_BUG_ON_ZERO((total_len) % 32 != 0)]; \
}
/* Table 106 REQ Message Contents */ /* Table 106 REQ Message Contents */
#define CM_REQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_req_msg, 0, 32) #define CM_REQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_req_msg, 0, 32)