diff options
| -rw-r--r-- | drivers/infiniband/core/cm.c | 267 | ||||
| -rw-r--r-- | drivers/infiniband/core/cm_msgs.h | 1 | ||||
| -rw-r--r-- | include/rdma/iba.h | 146 | ||||
| -rw-r--r-- | include/rdma/ibta_vol1_c12.h | 208 |
4 files changed, 622 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index d396b987b0f2..7f609979e4de 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -4253,10 +4253,277 @@ static void cm_remove_one(struct ib_device *ib_device, void *client_data) 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); + +/* + * Check that the new macro gets the same bits as the old get function. + * - IBA_SET() IBA_GET and old get_fn all agree on the field width. + * The field width should match what IBA_SET truncates to + * - Reading from an all ones data should not return extra bits + * - Setting '1' should be the same (ie no endian problems) + */ +/* defeat builtin_constant checks */ +u64 cm_global_all_ones = 0xffffffffffffffffULL; +#define _IBA_CHECK_GET(fn, field_struct, field_offset, mask, bits) \ + ({ \ + field_struct *lmsg = (field_struct *)msg; \ + unsigned long long all_ones; \ + static_assert(sizeof(*lmsg) <= sizeof(msg)); \ + \ + bitmap_zero(msg, nbits); \ + _IBA_SET(field_struct, field_offset, mask, bits, lmsg, \ + cm_global_all_ones); \ + all_ones = (1ULL << bitmap_weight(msg, nbits)) - 1; \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + all_ones) { \ + printk("Failed #1 line=%u\n", __LINE__); \ + return; \ + } \ + if (fn != all_ones) { \ + printk("Failed #2 line=%u\n", __LINE__); \ + return; \ + } \ + \ + bitmap_fill(msg, nbits); \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + all_ones) { \ + printk("Failed #3 line=%u\n", __LINE__); \ + return; \ + } \ + if (fn != all_ones) { \ + printk("Failed #4 line=%u\n", __LINE__); \ + return; \ + } \ + \ + _IBA_SET(field_struct, field_offset, mask, bits, lmsg, 0); \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + 0) { \ + printk("Failed #5 line=%u\n", __LINE__); \ + return; \ + } \ + if (fn != 0) { \ + printk("Failed #6 line=%u\n", __LINE__); \ + return; \ + } \ + _IBA_SET(field_struct, field_offset, mask, bits, lmsg, 1); \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + 1) { \ + printk("Failed #7 line=%u\n", __LINE__); \ + return; \ + } \ + if (fn != 1) { \ + printk("Failed #8 line=%u\n", __LINE__); \ + return; \ + } \ + }) +#define IBA_CHECK_GET(field, fn_name) _IBA_CHECK_GET(fn_name(lmsg), field) +#define IBA_CHECK_GET_BE(field, fn_name) _IBA_CHECK_GET(be32_to_cpu(fn_name(lmsg)), field) + +/* + * Write the all ones value using the old setter and check that the new getter + * reads it back. + */ +#define _IBA_CHECK_SET(fn, field_struct, field_offset, mask, bits) \ + ({ \ + field_struct *lmsg = (field_struct *)msg; \ + unsigned long long all_ones; \ + static_assert(sizeof(*lmsg) <= sizeof(msg)); \ + \ + bitmap_zero(msg, nbits); \ + _IBA_SET(field_struct, field_offset, mask, bits, lmsg, \ + cm_global_all_ones); \ + all_ones = (1ULL << bitmap_weight(msg, nbits)) - 1; \ + bitmap_zero(msg, nbits); \ + fn; \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + all_ones) { \ + printk("Failed #9 line=%u\n", __LINE__); \ + return; \ + } \ + all_ones = 1; \ + fn; \ + if (_IBA_GET(field_struct, field_offset, mask, bits, lmsg) != \ + 1) { \ + printk("Failed #10 line=%u\n", __LINE__); \ + return; \ + } \ + }) + +#define IBA_CHECK_SET(field, fn_name) _IBA_CHECK_SET(fn_name(lmsg, all_ones), field) +#define IBA_CHECK_SET_BE(field, fn_name) \ + _IBA_CHECK_SET(fn_name(lmsg, cpu_to_be32(all_ones)), field) + +static void self_test(void) +{ + unsigned long msg[256/4]; + const unsigned int nbits = sizeof(msg) * 8; + + printk("Running CM extractor self test\n"); + IBA_CHECK_GET_BE(CM_REQ_LOCAL_QPN, cm_req_get_local_qpn); + IBA_CHECK_SET_BE(CM_REQ_LOCAL_QPN, cm_req_set_local_qpn); + IBA_CHECK_GET(CM_REQ_RESPONDER_RESOURCES, cm_req_get_resp_res); + IBA_CHECK_SET(CM_REQ_RESPONDER_RESOURCES, cm_req_set_resp_res); + IBA_CHECK_GET(CM_REQ_INITIATOR_DEPTH, cm_req_get_init_depth); + IBA_CHECK_SET(CM_REQ_INITIATOR_DEPTH, cm_req_set_init_depth); + IBA_CHECK_GET(CM_REQ_REMOTE_CM_RESPONSE_TIMEOUT, cm_req_get_remote_resp_timeout); + IBA_CHECK_SET(CM_REQ_REMOTE_CM_RESPONSE_TIMEOUT, cm_req_set_remote_resp_timeout); + IBA_CHECK_GET(CM_REQ_TRANSPORT_SERVICE_TYPE, cm_req_get_transport_type); + IBA_CHECK_SET(CM_REQ_TRANSPORT_SERVICE_TYPE, cm_req_set_transport_type); + IBA_CHECK_GET(CM_REQ_END_TO_END_FLOW_CONTROL, cm_req_get_flow_ctrl); + IBA_CHECK_SET(CM_REQ_END_TO_END_FLOW_CONTROL, cm_req_set_flow_ctrl); + IBA_CHECK_GET_BE(CM_REQ_STARTING_PSN, cm_req_get_starting_psn); + IBA_CHECK_SET_BE(CM_REQ_STARTING_PSN, cm_req_set_starting_psn); + IBA_CHECK_GET(CM_REQ_LOCAL_CM_RESPONSE_TIMEOUT, cm_req_get_local_resp_timeout); + IBA_CHECK_SET(CM_REQ_LOCAL_CM_RESPONSE_TIMEOUT, cm_req_set_local_resp_timeout); + IBA_CHECK_GET(CM_REQ_RETRY_COUNT, cm_req_get_retry_count); + IBA_CHECK_SET(CM_REQ_RETRY_COUNT, cm_req_set_retry_count); + IBA_CHECK_GET(CM_REQ_PATH_PACKET_PAYLOAD_MTU, cm_req_get_path_mtu); + IBA_CHECK_SET(CM_REQ_PATH_PACKET_PAYLOAD_MTU, cm_req_set_path_mtu); + IBA_CHECK_GET(CM_REQ_RNR_RETRY_COUNT, cm_req_get_rnr_retry_count); + IBA_CHECK_SET(CM_REQ_RNR_RETRY_COUNT, cm_req_set_rnr_retry_count); + IBA_CHECK_GET(CM_REQ_MAX_CM_RETRIES, cm_req_get_max_cm_retries); + IBA_CHECK_SET(CM_REQ_MAX_CM_RETRIES, cm_req_set_max_cm_retries); + IBA_CHECK_GET(CM_REQ_SRQ, cm_req_get_srq); + IBA_CHECK_SET(CM_REQ_SRQ, cm_req_set_srq); + IBA_CHECK_GET(CM_REQ_EXTENDED_TRANSPORT_TYPE, cm_req_get_transport_type_ex); + IBA_CHECK_SET(CM_REQ_EXTENDED_TRANSPORT_TYPE, cm_req_set_transport_type_ex); + IBA_CHECK_GET_BE(CM_REQ_PRIMARY_FLOW_LABEL, cm_req_get_primary_flow_label); + IBA_CHECK_SET_BE(CM_REQ_PRIMARY_FLOW_LABEL, cm_req_set_primary_flow_label); + IBA_CHECK_GET(CM_REQ_PRIMARY_PACKET_RATE, cm_req_get_primary_packet_rate); + IBA_CHECK_SET(CM_REQ_PRIMARY_PACKET_RATE, cm_req_set_primary_packet_rate); + IBA_CHECK_GET(CM_REQ_PRIMARY_SL, cm_req_get_primary_sl); + IBA_CHECK_SET(CM_REQ_PRIMARY_SL, cm_req_set_primary_sl); + IBA_CHECK_GET(CM_REQ_PRIMARY_SUBNET_LOCAL, cm_req_get_primary_subnet_local); + IBA_CHECK_SET(CM_REQ_PRIMARY_SUBNET_LOCAL, cm_req_set_primary_subnet_local); + IBA_CHECK_GET(CM_REQ_PRIMARY_LOCAL_ACK_TIMEOUT, cm_req_get_primary_local_ack_timeout); + IBA_CHECK_SET(CM_REQ_PRIMARY_LOCAL_ACK_TIMEOUT, cm_req_set_primary_local_ack_timeout); + IBA_CHECK_GET_BE(CM_REQ_ALTERNATE_FLOW_LABEL, cm_req_get_alt_flow_label); + IBA_CHECK_SET_BE(CM_REQ_ALTERNATE_FLOW_LABEL, cm_req_set_alt_flow_label); + IBA_CHECK_GET(CM_REQ_ALTERNATE_PACKET_RATE, cm_req_get_alt_packet_rate); + IBA_CHECK_SET(CM_REQ_ALTERNATE_PACKET_RATE, cm_req_set_alt_packet_rate); + IBA_CHECK_GET(CM_REQ_ALTERNATE_SL, cm_req_get_alt_sl); + IBA_CHECK_SET(CM_REQ_ALTERNATE_SL, cm_req_set_alt_sl); + IBA_CHECK_GET(CM_REQ_ALTERNATE_SUBNET_LOCAL, cm_req_get_alt_subnet_local); + IBA_CHECK_SET(CM_REQ_ALTERNATE_SUBNET_LOCAL, cm_req_set_alt_subnet_local); + IBA_CHECK_GET(CM_REQ_ALTERNATE_LOCAL_ACK_TIMEOUT, cm_req_get_alt_local_ack_timeout); + IBA_CHECK_SET(CM_REQ_ALTERNATE_LOCAL_ACK_TIMEOUT, cm_req_set_alt_local_ack_timeout); + IBA_CHECK_GET(CM_MRA_MESSAGE_MRAED, cm_mra_get_msg_mraed); + IBA_CHECK_SET(CM_MRA_MESSAGE_MRAED, cm_mra_set_msg_mraed); + IBA_CHECK_GET(CM_MRA_SERVICE_TIMEOUT, cm_mra_get_service_timeout); + IBA_CHECK_SET(CM_MRA_SERVICE_TIMEOUT, cm_mra_set_service_timeout); + IBA_CHECK_GET(CM_REJ_MESSAGE_REJECTED, cm_rej_get_msg_rejected); + IBA_CHECK_SET(CM_REJ_MESSAGE_REJECTED, cm_rej_set_msg_rejected); + IBA_CHECK_GET(CM_REJ_REJECTED_INFO_LENGTH, cm_rej_get_reject_info_len); + IBA_CHECK_SET(CM_REJ_REJECTED_INFO_LENGTH, cm_rej_set_reject_info_len); + IBA_CHECK_GET_BE(CM_REP_LOCAL_QPN, cm_rep_get_local_qpn); + IBA_CHECK_SET_BE(CM_REP_LOCAL_QPN, cm_rep_set_local_qpn); + IBA_CHECK_GET_BE(CM_REP_LOCAL_EE_CONTEXT_NUMBER, cm_rep_get_local_eecn); + IBA_CHECK_SET_BE(CM_REP_LOCAL_EE_CONTEXT_NUMBER, cm_rep_set_local_eecn); + IBA_CHECK_GET_BE(CM_REP_STARTING_PSN, cm_rep_get_starting_psn); + IBA_CHECK_SET_BE(CM_REP_STARTING_PSN, cm_rep_set_starting_psn); + IBA_CHECK_GET(CM_REP_TARGET_ACK_DELAY, cm_rep_get_target_ack_delay); + IBA_CHECK_SET(CM_REP_TARGET_ACK_DELAY, cm_rep_set_target_ack_delay); + IBA_CHECK_GET(CM_REP_FAILOVER_ACCEPTED, cm_rep_get_failover); + IBA_CHECK_SET(CM_REP_FAILOVER_ACCEPTED, cm_rep_set_failover); + IBA_CHECK_GET(CM_REP_END_TO_END_FLOW_CONTROL, cm_rep_get_flow_ctrl); + IBA_CHECK_SET(CM_REP_END_TO_END_FLOW_CONTROL, cm_rep_set_flow_ctrl); + IBA_CHECK_GET(CM_REP_RNR_RETRY_COUNT, cm_rep_get_rnr_retry_count); + IBA_CHECK_SET(CM_REP_RNR_RETRY_COUNT, cm_rep_set_rnr_retry_count); + IBA_CHECK_GET(CM_REP_SRQ, cm_rep_get_srq); + IBA_CHECK_SET(CM_REP_SRQ, cm_rep_set_srq); + IBA_CHECK_GET_BE(CM_DREQ_REMOTE_QPN_EECN, cm_dreq_get_remote_qpn); + IBA_CHECK_SET_BE(CM_DREQ_REMOTE_QPN_EECN, cm_dreq_set_remote_qpn); + IBA_CHECK_GET_BE(CM_LAP_ALTERNATE_FLOW_LABEL, cm_lap_get_flow_label); + IBA_CHECK_GET(CM_LAP_ALTERNATE_TRAFFIC_CLASS, cm_lap_get_traffic_class); + IBA_CHECK_GET(CM_LAP_ALTERNATE_PACKET_RATE, cm_lap_get_packet_rate); + IBA_CHECK_GET(CM_LAP_ALTERNATE_SL, cm_lap_get_sl); + IBA_CHECK_GET(CM_LAP_ALTERNATE_LOCAL_ACK_TIMEOUT, cm_lap_get_local_ack_timeout); + IBA_CHECK_GET_BE(CM_SIDR_REP_QPN, cm_sidr_rep_get_qpn); + IBA_CHECK_SET_BE(CM_SIDR_REP_QPN, cm_sidr_rep_set_qpn); + printk("Success!\n"); +} + static int __init ib_cm_init(void) { int ret; + self_test(); + INIT_LIST_HEAD(&cm.device_list); rwlock_init(&cm.device_lock); spin_lock_init(&cm.lock); diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h index 9af9a3212074..bf62461d801f 100644 --- a/drivers/infiniband/core/cm_msgs.h +++ b/drivers/infiniband/core/cm_msgs.h @@ -8,6 +8,7 @@ #ifndef CM_MSGS_H #define CM_MSGS_H +#include <rdma/ibta_vol1_c12.h> #include <rdma/ib_mad.h> #include <rdma/ib_cm.h> diff --git a/include/rdma/iba.h b/include/rdma/iba.h new file mode 100644 index 000000000000..6a1115b02a0d --- /dev/null +++ b/include/rdma/iba.h @@ -0,0 +1,146 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. + */ +#ifndef _IBA_DEFS_H_ +#define _IBA_DEFS_H_ + +#include <linux/kernel.h> +#include <linux/bitfield.h> +#include <asm/unaligned.h> + +static inline u32 _iba_get8(const u8 *ptr) +{ + return *ptr; +} + +static inline void _iba_set8(u8 *ptr, u32 mask, u32 prep_value) +{ + *ptr = (*ptr & ~mask) | prep_value; +} + +static inline u16 _iba_get16(const __be16 *ptr) +{ + return be16_to_cpu(*ptr); +} + +static inline void _iba_set16(__be16 *ptr, u16 mask, u16 prep_value) +{ + *ptr = cpu_to_be16((be16_to_cpu(*ptr) & ~mask) | prep_value); +} + +static inline u32 _iba_get32(const __be32 *ptr) +{ + return be32_to_cpu(*ptr); +} + +static inline void _iba_set32(__be32 *ptr, u32 mask, u32 prep_value) +{ + *ptr = cpu_to_be32((be32_to_cpu(*ptr) & ~mask) | prep_value); +} + +static inline u64 _iba_get64(const __be64 *ptr) +{ + /* + * The mads are constructed so that 32 bit and smaller are naturally + * aligned, everything larger has a max alignment of 4 bytes. + */ + return be64_to_cpu(get_unaligned(ptr)); +} + +static inline void _iba_set64(__be64 *ptr, u64 mask, u64 prep_value) +{ + put_unaligned(cpu_to_be64((_iba_get64(ptr) & ~mask) | prep_value), ptr); +} + +#define _IBA_SET(field_struct, field_offset, field_mask, num_bits, ptr, value) \ + ({ \ + field_struct *_ptr = ptr; \ + _iba_set##num_bits((void *)_ptr + (field_offset), field_mask, \ + FIELD_PREP(field_mask, value)); \ + }) +#define IBA_SET(field, ptr, value) _IBA_SET(field, ptr, value) + +#define _IBA_GET_MEM_PTR(field_struct, field_offset, type, num_bits, ptr) \ + ({ \ + field_struct *_ptr = ptr; \ + (type *)((void *)_ptr + (field_offset)); \ + }) +#define IBA_GET_MEM_PTR(field, ptr) _IBA_GET_MEM_PTR(field, ptr) + +/* FIXME: A set should always set the entire field, meaning we should zero the trailing bytes */ +#define _IBA_SET_MEM(field_struct, field_offset, type, num_bits, ptr, in, \ + bytes) \ + ({ \ + const type *_in_ptr = in; \ + WARN_ON(bytes * 8 > num_bits); \ + if (in && bytes) \ + memcpy(_IBA_GET_MEM_PTR(field_struct, field_offset, \ + type, num_bits, ptr), \ + _in_ptr, bytes); \ + }) +#define IBA_SET_MEM(field, ptr, in, bytes) _IBA_SET_MEM(field, ptr, in, bytes) + +#define _IBA_GET(field_struct, field_offset, field_mask, num_bits, ptr) \ + ({ \ + const field_struct *_ptr = ptr; \ + (u##num_bits) FIELD_GET( \ + field_mask, _iba_get##num_bits((const void *)_ptr + \ + (field_offset))); \ + }) +#define IBA_GET(field, ptr) _IBA_GET(field, ptr) + +#define _IBA_GET_MEM(field_struct, field_offset, type, num_bits, ptr, out, \ + bytes) \ + ({ \ + type *_out_ptr = out; \ + WARN_ON(bytes * 8 > num_bits); \ + if (out && bytes) \ + memcpy(_out_ptr, \ + _IBA_GET_MEM_PTR(field_struct, field_offset, \ + type, num_bits, ptr), \ + bytes); \ + }) +#define IBA_GET_MEM(field, ptr, out, bytes) _IBA_GET_MEM(field, ptr, out, bytes) + +/* + * The generated list becomes the parameters to the macros, the order is: + * - struct this applies to + * - starting offset of the max + * - GENMASK or GENMASK_ULL in CPU order + * - The width of data the mask operations should work on, in bits + */ + +/* + * Extraction using a tabular description like table 106. bit_offset is from + * the Byte[Bit] notation. + */ +#define IBA_FIELD_BLOC(field_struct, byte_offset, bit_offset, num_bits) \ + field_struct, byte_offset, \ + GENMASK(7 - (bit_offset), 7 - (bit_offset) - (num_bits - 1)), \ + 8 +#define IBA_FIELD8_LOC(field_struct, byte_offset, num_bits) \ + IBA_FIELD_BLOC(field_struct, byte_offset, 0, num_bits) + +#define IBA_FIELD16_LOC(field_struct, byte_offset, num_bits) \ + field_struct, (byte_offset)&0xFFFE, \ + GENMASK(15 - (((byte_offset) % 2) * 8), \ + 15 - (((byte_offset) % 2) * 8) - (num_bits - 1)), \ + 16 + +#define IBA_FIELD32_LOC(field_struct, byte_offset, num_bits) \ + field_struct, (byte_offset)&0xFFFC, \ + GENMASK(31 - (((byte_offset) % 4) * 8), \ + 31 - (((byte_offset) % 4) * 8) - (num_bits - 1)), \ + 32 + +#define IBA_FIELD64_LOC(field_struct, byte_offset) \ + field_struct, byte_offset, GENMASK_ULL(63, 0), 64 +/* + * In IBTA spec, everything that is more than 64bits is multiple + * of bytes without leftover bits. + */ +#define IBA_FIELD_MLOC(field_struct, byte_offset, num_bits, type) \ + field_struct, byte_offset, type, num_bits + +#endif /* _IBA_DEFS_H_ */ diff --git a/include/rdma/ibta_vol1_c12.h b/include/rdma/ibta_vol1_c12.h new file mode 100644 index 000000000000..916db5c27dc5 --- /dev/null +++ b/include/rdma/ibta_vol1_c12.h @@ -0,0 +1,208 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. + * + * This file is IBTA volume 1, chapter 12 declarations: + * CHAPTER 12: COMMUNICATION MANAGEMENT + */ +#ifndef _IBTA_VOL1_C12_H_ +#define _IBTA_VOL1_C12_H_ + +#include <rdma/iba.h> + +#define CM_FIELD_BLOC(field_struct, byte_offset, bits_offset, width) \ + IBA_FIELD_BLOC(field_struct, \ + (byte_offset + sizeof(struct ib_mad_hdr)), bits_offset, \ + width) +#define CM_FIELD8_LOC(field_struct, byte_offset, width) \ + IBA_FIELD8_LOC(field_struct, \ + (byte_offset + sizeof(struct ib_mad_hdr)), width) +#define CM_FIELD16_LOC(field_struct, byte_offset, width) \ + IBA_FIELD16_LOC(field_struct, \ + (byte_offset + sizeof(struct ib_mad_hdr)), width) +#define CM_FIELD32_LOC(field_struct, byte_offset, width) \ + IBA_FIELD32_LOC(field_struct, \ + (byte_offset + sizeof(struct ib_mad_hdr)), width) +#define CM_FIELD64_LOC(field_struct, byte_offset) \ + IBA_FIELD64_LOC(field_struct, (byte_offset + sizeof(struct ib_mad_hdr))) +#define CM_FIELD_MLOC(field_struct, byte_offset, width, type) \ + IBA_FIELD_MLOC(field_struct, \ + (byte_offset + sizeof(struct ib_mad_hdr)), width, type) +#define CM_STRUCT(field_struct, total_len) \ + static_assert((total_len) % 32 == 0); + +/* Table 106 REQ Message Contents */ +#define CM_REQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_req_msg, 0, 32) +#define CM_REQ_SERVICE_ID CM_FIELD64_LOC(struct cm_req_msg, 8) +#define CM_REQ_LOCAL_CA_GUID CM_FIELD64_LOC(struct cm_req_msg, 16) +#define CM_REQ_LOCAL_Q_KEY CM_FIELD32_LOC(struct cm_req_msg, 28, 32) +#define CM_REQ_LOCAL_QPN CM_FIELD32_LOC(struct cm_req_msg, 32, 24) +#define CM_REQ_RESPONDER_RESOURCES CM_FIELD8_LOC(struct cm_req_msg, 35, 8) +#define CM_REQ_LOCAL_EECN CM_FIELD32_LOC(struct cm_req_msg, 36, 24) +#define CM_REQ_INITIATOR_DEPTH CM_FIELD8_LOC(struct cm_req_msg, 39, 8) +#define CM_REQ_REMOTE_EECN CM_FIELD32_LOC(struct cm_req_msg, 40, 24) +#define CM_REQ_REMOTE_CM_RESPONSE_TIMEOUT \ + CM_FIELD8_LOC(struct cm_req_msg, 43, 5) +#define CM_REQ_TRANSPORT_SERVICE_TYPE CM_FIELD_BLOC(struct cm_req_msg, 43, 5, 2) +#define CM_REQ_END_TO_END_FLOW_CONTROL \ + CM_FIELD_BLOC(struct cm_req_msg, 43, 7, 1) +#define CM_REQ_STARTING_PSN CM_FIELD32_LOC(struct cm_req_msg, 44, 24) +#define CM_REQ_LOCAL_CM_RESPONSE_TIMEOUT CM_FIELD8_LOC(struct cm_req_msg, 47, 5) +#define CM_REQ_RETRY_COUNT CM_FIELD_BLOC(struct cm_req_msg, 47, 5, 3) +#define CM_REQ_PARTITION_KEY CM_FIELD16_LOC(struct cm_req_msg, 48, 16) +#define CM_REQ_PATH_PACKET_PAYLOAD_MTU CM_FIELD8_LOC(struct cm_req_msg, 50, 4) +#define CM_REQ_RDC_EXISTS CM_FIELD_BLOC(struct cm_req_msg, 50, 4, 1) +#define CM_REQ_RNR_RETRY_COUNT CM_FIELD_BLOC(struct cm_req_msg, 50, 5, 3) +#define CM_REQ_MAX_CM_RETRIES CM_FIELD8_LOC(struct cm_req_msg, 51, 4) +#define CM_REQ_SRQ CM_FIELD_BLOC(struct cm_req_msg, 51, 4, 1) +#define CM_REQ_EXTENDED_TRANSPORT_TYPE \ + CM_FIELD_BLOC(struct cm_req_msg, 51, 5, 3) +#define CM_REQ_PRIMARY_LOCAL_PORT_LID CM_FIELD16_LOC(struct cm_req_msg, 52, 16) +#define CM_REQ_PRIMARY_REMOTE_PORT_LID CM_FIELD16_LOC(struct cm_req_msg, 54, 16) +#define CM_REQ_PRIMARY_LOCAL_PORT_GID \ + CM_FIELD_MLOC(struct cm_req_msg, 56, 128, union ib_gid) +#define CM_REQ_PRIMARY_REMOTE_PORT_GID \ + CM_FIELD_MLOC(struct cm_req_msg, 72, 128, union ib_gid) +#define CM_REQ_PRIMARY_FLOW_LABEL CM_FIELD32_LOC(struct cm_req_msg, 88, 20) +#define CM_REQ_PRIMARY_PACKET_RATE CM_FIELD_BLOC(struct cm_req_msg, 91, 2, 6) +#define CM_REQ_PRIMARY_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_req_msg, 92, 8) +#define CM_REQ_PRIMARY_HOP_LIMIT CM_FIELD8_LOC(struct cm_req_msg, 93, 8) +#define CM_REQ_PRIMARY_SL CM_FIELD8_LOC(struct cm_req_msg, 94, 4) +#define CM_REQ_PRIMARY_SUBNET_LOCAL CM_FIELD_BLOC(struct cm_req_msg, 94, 4, 1) +#define CM_REQ_PRIMARY_LOCAL_ACK_TIMEOUT CM_FIELD8_LOC(struct cm_req_msg, 95, 5) +#define CM_REQ_ALTERNATE_LOCAL_PORT_LID \ + CM_FIELD16_LOC(struct cm_req_msg, 96, 16) +#define CM_REQ_ALTERNATE_REMOTE_PORT_LID \ + CM_FIELD16_LOC(struct cm_req_msg, 98, 16) +#define CM_REQ_ALTERNATE_LOCAL_PORT_GID \ + CM_FIELD_MLOC(struct cm_req_msg, 100, 128, union ib_gid) +#define CM_REQ_ALTERNATE_REMOTE_PORT_GID \ + CM_FIELD_MLOC(struct cm_req_msg, 116, 128, union ib_gid) +#define CM_REQ_ALTERNATE_FLOW_LABEL CM_FIELD32_LOC(struct cm_req_msg, 132, 20) +#define CM_REQ_ALTERNATE_PACKET_RATE CM_FIELD_BLOC(struct cm_req_msg, 135, 2, 6) +#define CM_REQ_ALTERNATE_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_req_msg, 136, 8) +#define CM_REQ_ALTERNATE_HOP_LIMIT CM_FIELD8_LOC(struct cm_req_msg, 137, 8) +#define CM_REQ_ALTERNATE_SL CM_FIELD8_LOC(struct cm_req_msg, 138, 4) +#define CM_REQ_ALTERNATE_SUBNET_LOCAL \ + CM_FIELD_BLOC(struct cm_req_msg, 138, 4, 1) +#define CM_REQ_ALTERNATE_LOCAL_ACK_TIMEOUT \ + CM_FIELD8_LOC(struct cm_req_msg, 139, 5) +#define CM_REQ_SAP_SUPPORTED CM_FIELD_BLOC(struct cm_req_msg, 139, 5, 1) +#define CM_REQ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_req_msg, 140, 736, void) +CM_STRUCT(struct cm_req_msg, 140 * 8 + 736); + +/* Table 107 MRA Message Contents */ +#define CM_MRA_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_mra_msg, 0, 32) +#define CM_MRA_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_mra_msg, 4, 32) +#define CM_MRA_MESSAGE_MRAED CM_FIELD8_LOC(struct cm_mra_msg, 8, 2) +#define CM_MRA_SERVICE_TIMEOUT CM_FIELD8_LOC(struct cm_mra_msg, 9, 5) +#define CM_MRA_PRIVATE_DATA CM_FIELD_MLOC(struct cm_mra_msg, 10, 1776, void) +CM_STRUCT(struct cm_mra_msg, 10 * 8 + 1776); + +/* Table 108 REJ Message Contents */ +#define CM_REJ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rej_msg, 0, 32) +#define CM_REJ_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rej_msg, 4, 32) +#define CM_REJ_MESSAGE_REJECTED CM_FIELD8_LOC(struct cm_rej_msg, 8, 2) +#define CM_REJ_REJECTED_INFO_LENGTH CM_FIELD8_LOC(struct cm_rej_msg, 9, 7) +#define CM_REJ_REASON CM_FIELD16_LOC(struct cm_rej_msg, 10, 16) +#define CM_REJ_ARI CM_FIELD_MLOC(struct cm_rej_msg, 12, 576, void) +#define CM_REJ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rej_msg, 84, 1184, void) +CM_STRUCT(struct cm_rej_msg, 84 * 8 + 1184); + +/* Table 110 REP Message Contents */ +#define CM_REP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rep_msg, 0, 32) +#define CM_REP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rep_msg, 4, 32) +#define CM_REP_LOCAL_Q_KEY CM_FIELD32_LOC(struct cm_rep_msg, 8, 32) +#define CM_REP_LOCAL_QPN CM_FIELD32_LOC(struct cm_rep_msg, 12, 24) +#define CM_REP_LOCAL_EE_CONTEXT_NUMBER CM_FIELD32_LOC(struct cm_rep_msg, 16, 24) +#define CM_REP_STARTING_PSN CM_FIELD32_LOC(struct cm_rep_msg, 20, 24) +#define CM_REP_RESPONDER_RESOURCES CM_FIELD8_LOC(struct cm_rep_msg, 24, 8) +#define CM_REP_INITIATOR_DEPTH CM_FIELD8_LOC(struct cm_rep_msg, 25, 8) +#define CM_REP_TARGET_ACK_DELAY CM_FIELD8_LOC(struct cm_rep_msg, 26, 5) +#define CM_REP_FAILOVER_ACCEPTED CM_FIELD_BLOC(struct cm_rep_msg, 26, 5, 2) +#define CM_REP_END_TO_END_FLOW_CONTROL \ + CM_FIELD_BLOC(struct cm_rep_msg, 26, 7, 1) +#define CM_REP_RNR_RETRY_COUNT CM_FIELD8_LOC(struct cm_rep_msg, 27, 3) +#define CM_REP_SRQ CM_FIELD_BLOC(struct cm_rep_msg, 27, 3, 1) +#define CM_REP_LOCAL_CA_GUID CM_FIELD64_LOC(struct cm_rep_msg, 28) +#define CM_REP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rep_msg, 36, 1568, void) +CM_STRUCT(struct cm_rep_msg, 36 * 8 + 1568); + +/* Table 111 RTU Message Contents */ +#define CM_RTU_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rtu_msg, 0, 32) +#define CM_RTU_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rtu_msg, 4, 32) +#define CM_RTU_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rtu_msg, 8, 1792, void) +CM_STRUCT(struct cm_rtu_msg, 8 * 8 + 1792); + +/* Table 112 DREQ Message Contents */ +#define CM_DREQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 0, 32) +#define CM_DREQ_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 4, 32) +#define CM_DREQ_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_dreq_msg, 8, 24) +#define CM_DREQ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_dreq_msg, 12, 1760, void) +CM_STRUCT(struct cm_dreq_msg, 12 * 8 + 1760); + +/* Table 113 DREP Message Contents */ +#define CM_DREP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_drep_msg, 0, 32) +#define CM_DREP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_drep_msg, 4, 32) +#define CM_DREP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_drep_msg, 8, 1792, void) +CM_STRUCT(struct cm_drep_msg, 8 * 8 + 1792); + +/* Table 115 LAP Message Contents */ +#define CM_LAP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 0, 32) +#define CM_LAP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 4, 32) +#define CM_LAP_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_lap_msg, 12, 24) +#define CM_LAP_REMOTE_CM_RESPONSE_TIMEOUT \ + CM_FIELD8_LOC(struct cm_lap_msg, 15, 5) +#define CM_LAP_ALTERNATE_LOCAL_PORT_LID \ + CM_FIELD16_LOC(struct cm_lap_msg, 20, 16) +#define CM_LAP_ALTERNATE_REMOTE_PORT_LID \ + CM_FIELD16_LOC(struct cm_lap_msg, 22, 16) +#define CM_LAP_ALTERNATE_LOCAL_PORT_GID \ + CM_FIELD_MLOC(struct cm_lap_msg, 24, 128, union ib_gid) +#define CM_LAP_ALTERNATE_REMOTE_PORT_GID \ + CM_FIELD_MLOC(struct cm_lap_msg, 40, 128, union ib_gid) +#define CM_LAP_ALTERNATE_FLOW_LABEL CM_FIELD32_LOC(struct cm_lap_msg, 56, 20) +#define CM_LAP_ALTERNATE_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_lap_msg, 59, 8) +#define CM_LAP_ALTERNATE_HOP_LIMIT CM_FIELD8_LOC(struct cm_lap_msg, 60, 8) +#define CM_LAP_ALTERNATE_PACKET_RATE CM_FIELD_BLOC(struct cm_lap_msg, 61, 2, 6) +#define CM_LAP_ALTERNATE_SL CM_FIELD8_LOC(struct cm_lap_msg, 62, 4) +#define CM_LAP_ALTERNATE_SUBNET_LOCAL CM_FIELD_BLOC(struct cm_lap_msg, 62, 4, 1) +#define CM_LAP_ALTERNATE_LOCAL_ACK_TIMEOUT \ + CM_FIELD8_LOC(struct cm_lap_msg, 63, 5) +#define CM_LAP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_lap_msg, 64, 1344, void) +CM_STRUCT(struct cm_lap_msg, 64 * 8 + 1344); + +/* Table 116 APR Message Contents */ +#define CM_APR_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_apr_msg, 0, 32) +#define CM_APR_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_apr_msg, 4, 32) +#define CM_APR_ADDITIONAL_INFORMATION_LENGTH \ + CM_FIELD8_LOC(struct cm_apr_msg, 8, 8) +#define CM_APR_AR_STATUS CM_FIELD8_LOC(struct cm_apr_msg, 9, 8) +#define CM_APR_ADDITIONAL_INFORMATION \ + CM_FIELD_MLOC(struct cm_apr_msg, 12, 576, void) +#define CM_APR_PRIVATE_DATA CM_FIELD_MLOC(struct cm_apr_msg, 84, 1184, void) +CM_STRUCT(struct cm_apr_msg, 84 * 8 + 1184); + +/* Table 119 SIDR_REQ Message Contents */ +#define CM_SIDR_REQ_REQUESTID CM_FIELD32_LOC(struct cm_sidr_req_msg, 0, 32) +#define CM_SIDR_REQ_PARTITION_KEY CM_FIELD16_LOC(struct cm_sidr_req_msg, 4, 16) +#define CM_SIDR_REQ_SERVICEID CM_FIELD64_LOC(struct cm_sidr_req_msg, 8) +#define CM_SIDR_REQ_PRIVATE_DATA \ + CM_FIELD_MLOC(struct cm_sidr_req_msg, 16, 1728, void) +CM_STRUCT(struct cm_sidr_req_msg, 16 * 8 + 1728); + +/* Table 120 SIDR_REP Message Contents */ +#define CM_SIDR_REP_REQUESTID CM_FIELD32_LOC(struct cm_sidr_rep_msg, 0, 32) +#define CM_SIDR_REP_STATUS CM_FIELD8_LOC(struct cm_sidr_rep_msg, 4, 8) +#define CM_SIDR_REP_ADDITIONAL_INFORMATION_LENGTH \ + CM_FIELD8_LOC(struct cm_sidr_rep_msg, 5, 8) +#define CM_SIDR_REP_QPN CM_FIELD32_LOC(struct cm_sidr_rep_msg, 8, 24) +#define CM_SIDR_REP_SERVICEID CM_FIELD64_LOC(struct cm_sidr_rep_msg, 12) +#define CM_SIDR_REP_Q_KEY CM_FIELD32_LOC(struct cm_sidr_rep_msg, 20, 32) +#define CM_SIDR_REP_ADDITIONAL_INFORMATION \ + CM_FIELD_MLOC(struct cm_sidr_rep_msg, 24, 576, void) +#define CM_SIDR_REP_PRIVATE_DATA \ + CM_FIELD_MLOC(struct cm_sidr_rep_msg, 96, 1088, void) +CM_STRUCT(struct cm_sidr_rep_msg, 96 * 8 + 1088); + +#endif /* _IBTA_VOL1_C12_H_ */ |