| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mike Marciniszyn | 608 | 94.85% | 2 | 15.38% |
| Don Hiatt | 13 | 2.03% | 3 | 23.08% |
| Kaike Wan | 11 | 1.72% | 3 | 23.08% |
| Dennis Dalessandro | 5 | 0.78% | 1 | 7.69% |
| Piotr Stankiewicz | 1 | 0.16% | 1 | 7.69% |
| John Fleck | 1 | 0.16% | 1 | 7.69% |
| caihuoqing | 1 | 0.16% | 1 | 7.69% |
| Krzysztof Kozlowski | 1 | 0.16% | 1 | 7.69% |
| Total | 641 | 13 |
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright(c) 2015 - 2020 Intel Corporation. */ #ifndef _COMMON_H #define _COMMON_H #include <rdma/hfi/hfi1_user.h> /* * This file contains defines, structures, etc. that are used * to communicate between kernel and user code. */ /* version of protocol header (known to chip also). In the long run, * we should be able to generate and accept a range of version numbers; * for now we only accept one, and it's compiled in. */ #define IPS_PROTO_VERSION 2 /* * These are compile time constants that you may want to enable or disable * if you are trying to debug problems with code or performance. * HFI1_VERBOSE_TRACING define as 1 if you want additional tracing in * fast path code * HFI1_TRACE_REGWRITES define as 1 if you want register writes to be * traced in fast path code * _HFI1_TRACING define as 0 if you want to remove all tracing in a * compilation unit */ /* driver/hw feature set bitmask */ #define HFI1_CAP_USER_SHIFT 24 #define HFI1_CAP_MASK ((1UL << HFI1_CAP_USER_SHIFT) - 1) /* locked flag - if set, only HFI1_CAP_WRITABLE_MASK bits can be set */ #define HFI1_CAP_LOCKED_SHIFT 63 #define HFI1_CAP_LOCKED_MASK 0x1ULL #define HFI1_CAP_LOCKED_SMASK (HFI1_CAP_LOCKED_MASK << HFI1_CAP_LOCKED_SHIFT) /* extra bits used between kernel and user processes */ #define HFI1_CAP_MISC_SHIFT (HFI1_CAP_USER_SHIFT * 2) #define HFI1_CAP_MISC_MASK ((1ULL << (HFI1_CAP_LOCKED_SHIFT - \ HFI1_CAP_MISC_SHIFT)) - 1) #define HFI1_CAP_KSET(cap) ({ hfi1_cap_mask |= HFI1_CAP_##cap; hfi1_cap_mask; }) #define HFI1_CAP_KCLEAR(cap) \ ({ \ hfi1_cap_mask &= ~HFI1_CAP_##cap; \ hfi1_cap_mask; \ }) #define HFI1_CAP_USET(cap) \ ({ \ hfi1_cap_mask |= (HFI1_CAP_##cap << HFI1_CAP_USER_SHIFT); \ hfi1_cap_mask; \ }) #define HFI1_CAP_UCLEAR(cap) \ ({ \ hfi1_cap_mask &= ~(HFI1_CAP_##cap << HFI1_CAP_USER_SHIFT); \ hfi1_cap_mask; \ }) #define HFI1_CAP_SET(cap) \ ({ \ hfi1_cap_mask |= (HFI1_CAP_##cap | (HFI1_CAP_##cap << \ HFI1_CAP_USER_SHIFT)); \ hfi1_cap_mask; \ }) #define HFI1_CAP_CLEAR(cap) \ ({ \ hfi1_cap_mask &= ~(HFI1_CAP_##cap | \ (HFI1_CAP_##cap << HFI1_CAP_USER_SHIFT)); \ hfi1_cap_mask; \ }) #define HFI1_CAP_LOCK() \ ({ hfi1_cap_mask |= HFI1_CAP_LOCKED_SMASK; hfi1_cap_mask; }) #define HFI1_CAP_LOCKED() (!!(hfi1_cap_mask & HFI1_CAP_LOCKED_SMASK)) /* * The set of capability bits that can be changed after initial load * This set is the same for kernel and user contexts. However, for * user contexts, the set can be further filtered by using the * HFI1_CAP_RESERVED_MASK bits. */ #define HFI1_CAP_WRITABLE_MASK (HFI1_CAP_SDMA_AHG | \ HFI1_CAP_HDRSUPP | \ HFI1_CAP_MULTI_PKT_EGR | \ HFI1_CAP_NODROP_RHQ_FULL | \ HFI1_CAP_NODROP_EGR_FULL | \ HFI1_CAP_ALLOW_PERM_JKEY | \ HFI1_CAP_STATIC_RATE_CTRL | \ HFI1_CAP_PRINT_UNIMPL | \ HFI1_CAP_TID_UNMAP | \ HFI1_CAP_OPFN) /* * A set of capability bits that are "global" and are not allowed to be * set in the user bitmask. */ #define HFI1_CAP_RESERVED_MASK ((HFI1_CAP_SDMA | \ HFI1_CAP_USE_SDMA_HEAD | \ HFI1_CAP_EXTENDED_PSN | \ HFI1_CAP_PRINT_UNIMPL | \ HFI1_CAP_NO_INTEGRITY | \ HFI1_CAP_PKEY_CHECK | \ HFI1_CAP_TID_RDMA | \ HFI1_CAP_OPFN | \ HFI1_CAP_AIP) << \ HFI1_CAP_USER_SHIFT) /* * Set of capabilities that need to be enabled for kernel context in * order to be allowed for user contexts, as well. */ #define HFI1_CAP_MUST_HAVE_KERN (HFI1_CAP_STATIC_RATE_CTRL) /* Default enabled capabilities (both kernel and user) */ #define HFI1_CAP_MASK_DEFAULT (HFI1_CAP_HDRSUPP | \ HFI1_CAP_NODROP_RHQ_FULL | \ HFI1_CAP_NODROP_EGR_FULL | \ HFI1_CAP_SDMA | \ HFI1_CAP_PRINT_UNIMPL | \ HFI1_CAP_STATIC_RATE_CTRL | \ HFI1_CAP_PKEY_CHECK | \ HFI1_CAP_MULTI_PKT_EGR | \ HFI1_CAP_EXTENDED_PSN | \ HFI1_CAP_AIP | \ ((HFI1_CAP_HDRSUPP | \ HFI1_CAP_MULTI_PKT_EGR | \ HFI1_CAP_STATIC_RATE_CTRL | \ HFI1_CAP_PKEY_CHECK | \ HFI1_CAP_EARLY_CREDIT_RETURN) << \ HFI1_CAP_USER_SHIFT)) /* * A bitmask of kernel/global capabilities that should be communicated * to user level processes. */ #define HFI1_CAP_K2U (HFI1_CAP_SDMA | \ HFI1_CAP_EXTENDED_PSN | \ HFI1_CAP_PKEY_CHECK | \ HFI1_CAP_NO_INTEGRITY) #define HFI1_USER_SWVERSION ((HFI1_USER_SWMAJOR << HFI1_SWMAJOR_SHIFT) | \ HFI1_USER_SWMINOR) /* * The next set of defines are for packet headers, and chip register * and memory bits that are visible to and/or used by user-mode software. */ /* * Receive Header Flags */ #define RHF_PKT_LEN_SHIFT 0 #define RHF_PKT_LEN_MASK 0xfffull #define RHF_PKT_LEN_SMASK (RHF_PKT_LEN_MASK << RHF_PKT_LEN_SHIFT) #define RHF_RCV_TYPE_SHIFT 12 #define RHF_RCV_TYPE_MASK 0x7ull #define RHF_RCV_TYPE_SMASK (RHF_RCV_TYPE_MASK << RHF_RCV_TYPE_SHIFT) #define RHF_USE_EGR_BFR_SHIFT 15 #define RHF_USE_EGR_BFR_MASK 0x1ull #define RHF_USE_EGR_BFR_SMASK (RHF_USE_EGR_BFR_MASK << RHF_USE_EGR_BFR_SHIFT) #define RHF_EGR_INDEX_SHIFT 16 #define RHF_EGR_INDEX_MASK 0x7ffull #define RHF_EGR_INDEX_SMASK (RHF_EGR_INDEX_MASK << RHF_EGR_INDEX_SHIFT) #define RHF_DC_INFO_SHIFT 27 #define RHF_DC_INFO_MASK 0x1ull #define RHF_DC_INFO_SMASK (RHF_DC_INFO_MASK << RHF_DC_INFO_SHIFT) #define RHF_RCV_SEQ_SHIFT 28 #define RHF_RCV_SEQ_MASK 0xfull #define RHF_RCV_SEQ_SMASK (RHF_RCV_SEQ_MASK << RHF_RCV_SEQ_SHIFT) #define RHF_EGR_OFFSET_SHIFT 32 #define RHF_EGR_OFFSET_MASK 0xfffull #define RHF_EGR_OFFSET_SMASK (RHF_EGR_OFFSET_MASK << RHF_EGR_OFFSET_SHIFT) #define RHF_HDRQ_OFFSET_SHIFT 44 #define RHF_HDRQ_OFFSET_MASK 0x1ffull #define RHF_HDRQ_OFFSET_SMASK (RHF_HDRQ_OFFSET_MASK << RHF_HDRQ_OFFSET_SHIFT) #define RHF_K_HDR_LEN_ERR (0x1ull << 53) #define RHF_DC_UNC_ERR (0x1ull << 54) #define RHF_DC_ERR (0x1ull << 55) #define RHF_RCV_TYPE_ERR_SHIFT 56 #define RHF_RCV_TYPE_ERR_MASK 0x7ul #define RHF_RCV_TYPE_ERR_SMASK (RHF_RCV_TYPE_ERR_MASK << RHF_RCV_TYPE_ERR_SHIFT) #define RHF_TID_ERR (0x1ull << 59) #define RHF_LEN_ERR (0x1ull << 60) #define RHF_ECC_ERR (0x1ull << 61) #define RHF_RESERVED (0x1ull << 62) #define RHF_ICRC_ERR (0x1ull << 63) #define RHF_ERROR_SMASK 0xffe0000000000000ull /* bits 63:53 */ /* RHF receive types */ #define RHF_RCV_TYPE_EXPECTED 0 #define RHF_RCV_TYPE_EAGER 1 #define RHF_RCV_TYPE_IB 2 /* normal IB, IB Raw, or IPv6 */ #define RHF_RCV_TYPE_ERROR 3 #define RHF_RCV_TYPE_BYPASS 4 #define RHF_RCV_TYPE_INVALID5 5 #define RHF_RCV_TYPE_INVALID6 6 #define RHF_RCV_TYPE_INVALID7 7 /* RHF receive type error - expected packet errors */ #define RHF_RTE_EXPECTED_FLOW_SEQ_ERR 0x2 #define RHF_RTE_EXPECTED_FLOW_GEN_ERR 0x4 /* RHF receive type error - eager packet errors */ #define RHF_RTE_EAGER_NO_ERR 0x0 /* RHF receive type error - IB packet errors */ #define RHF_RTE_IB_NO_ERR 0x0 /* RHF receive type error - error packet errors */ #define RHF_RTE_ERROR_NO_ERR 0x0 #define RHF_RTE_ERROR_OP_CODE_ERR 0x1 #define RHF_RTE_ERROR_KHDR_MIN_LEN_ERR 0x2 #define RHF_RTE_ERROR_KHDR_HCRC_ERR 0x3 #define RHF_RTE_ERROR_KHDR_KVER_ERR 0x4 #define RHF_RTE_ERROR_CONTEXT_ERR 0x5 #define RHF_RTE_ERROR_KHDR_TID_ERR 0x6 /* RHF receive type error - bypass packet errors */ #define RHF_RTE_BYPASS_NO_ERR 0x0 /* MAX RcvSEQ */ #define RHF_MAX_SEQ 13 /* IB - LRH header constants */ #define HFI1_LRH_GRH 0x0003 /* 1. word of IB LRH - next header: GRH */ #define HFI1_LRH_BTH 0x0002 /* 1. word of IB LRH - next header: BTH */ /* misc. */ #define SC15_PACKET 0xF #define SIZE_OF_CRC 1 #define SIZE_OF_LT 1 #define MAX_16B_PADDING 12 /* CRC = 4, LT = 1, Pad = 0 to 7 bytes */ #define LIM_MGMT_P_KEY 0x7FFF #define FULL_MGMT_P_KEY 0xFFFF #define DEFAULT_P_KEY LIM_MGMT_P_KEY #define HFI1_PSM_IOC_BASE_SEQ 0x0 /* Number of BTH.PSN bits used for sequence number in expected rcvs */ #define HFI1_KDETH_BTH_SEQ_SHIFT 11 #define HFI1_KDETH_BTH_SEQ_MASK (BIT(HFI1_KDETH_BTH_SEQ_SHIFT) - 1) static inline __u64 rhf_to_cpu(const __le32 *rbuf) { return __le64_to_cpu(*((__le64 *)rbuf)); } static inline u64 rhf_err_flags(u64 rhf) { return rhf & RHF_ERROR_SMASK; } static inline u32 rhf_rcv_type(u64 rhf) { return (rhf >> RHF_RCV_TYPE_SHIFT) & RHF_RCV_TYPE_MASK; } static inline u32 rhf_rcv_type_err(u64 rhf) { return (rhf >> RHF_RCV_TYPE_ERR_SHIFT) & RHF_RCV_TYPE_ERR_MASK; } /* return size is in bytes, not DWORDs */ static inline u32 rhf_pkt_len(u64 rhf) { return ((rhf & RHF_PKT_LEN_SMASK) >> RHF_PKT_LEN_SHIFT) << 2; } static inline u32 rhf_egr_index(u64 rhf) { return (rhf >> RHF_EGR_INDEX_SHIFT) & RHF_EGR_INDEX_MASK; } static inline u32 rhf_rcv_seq(u64 rhf) { return (rhf >> RHF_RCV_SEQ_SHIFT) & RHF_RCV_SEQ_MASK; } /* returned offset is in DWORDS */ static inline u32 rhf_hdrq_offset(u64 rhf) { return (rhf >> RHF_HDRQ_OFFSET_SHIFT) & RHF_HDRQ_OFFSET_MASK; } static inline u64 rhf_use_egr_bfr(u64 rhf) { return rhf & RHF_USE_EGR_BFR_SMASK; } static inline u64 rhf_dc_info(u64 rhf) { return rhf & RHF_DC_INFO_SMASK; } static inline u32 rhf_egr_buf_offset(u64 rhf) { return (rhf >> RHF_EGR_OFFSET_SHIFT) & RHF_EGR_OFFSET_MASK; } #endif /* _COMMON_H */
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