rdma/hfi/hfi1_user.h

1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
9  * Copyright(c) 2015 - 2020 Intel Corporation.
28  *  - Redistributions of source code must retain the above copyright
30  *  - Redistributions in binary form must reproduce the above copyright
34  *  - Neither the name of Intel Corporation nor the names of its
93 #define HFI1_CAP_DMA_RTAIL        (1UL <<  0) /* Use DMA'ed RTail value */
94 #define HFI1_CAP_SDMA             (1UL <<  1) /* Enable SDMA support */
95 #define HFI1_CAP_SDMA_AHG         (1UL <<  2) /* Enable SDMA AHG support */
96 #define HFI1_CAP_EXTENDED_PSN     (1UL <<  3) /* Enable Extended PSN support */
97 #define HFI1_CAP_HDRSUPP          (1UL <<  4) /* Enable Header Suppression */
98 #define HFI1_CAP_TID_RDMA         (1UL <<  5) /* Enable TID RDMA operations */
99 #define HFI1_CAP_USE_SDMA_HEAD    (1UL <<  6) /* DMA Hdr Q tail vs. use CSR */
100 #define HFI1_CAP_MULTI_PKT_EGR    (1UL <<  7) /* Enable multi-packet Egr buffs*/
101 #define HFI1_CAP_NODROP_RHQ_FULL  (1UL <<  8) /* Don't drop on Hdr Q full */
102 #define HFI1_CAP_NODROP_EGR_FULL  (1UL <<  9) /* Don't drop on EGR buffs full */
103 #define HFI1_CAP_TID_UNMAP        (1UL << 10) /* Disable Expected TID caching */
104 #define HFI1_CAP_PRINT_UNIMPL     (1UL << 11) /* Show for unimplemented feats */
105 #define HFI1_CAP_ALLOW_PERM_JKEY  (1UL << 12) /* Allow use of permissive JKEY */
106 #define HFI1_CAP_NO_INTEGRITY     (1UL << 13) /* Enable ctxt integrity checks */
107 #define HFI1_CAP_PKEY_CHECK       (1UL << 14) /* Enable ctxt PKey checking */
108 #define HFI1_CAP_STATIC_RATE_CTRL (1UL << 15) /* Allow PBC.StaticRateControl */
109 #define HFI1_CAP_OPFN             (1UL << 16) /* Enable the OPFN protocol */
110 #define HFI1_CAP_SDMA_HEAD_CHECK  (1UL << 17) /* SDMA head checking */
111 #define HFI1_CAP_EARLY_CREDIT_RETURN (1UL << 18) /* early credit return */
112 #define HFI1_CAP_AIP              (1UL << 19) /* Enable accelerated IP */
114 #define HFI1_RCVHDR_ENTSIZE_2    (1UL << 0)
115 #define HFI1_RCVHDR_ENTSIZE_16   (1UL << 1)
116 #define HFI1_RCVDHR_ENTSIZE_32   (1UL << 2)
119 #define _HFI1_EVENT_LINKDOWN_BIT       1
126 #define HFI1_EVENT_FROZEN            (1UL << _HFI1_EVENT_FROZEN_BIT)
127 #define HFI1_EVENT_LINKDOWN          (1UL << _HFI1_EVENT_LINKDOWN_BIT)
128 #define HFI1_EVENT_LID_CHANGE        (1UL << _HFI1_EVENT_LID_CHANGE_BIT)
129 #define HFI1_EVENT_LMC_CHANGE        (1UL << _HFI1_EVENT_LMC_CHANGE_BIT)
130 #define HFI1_EVENT_SL2VL_CHANGE      (1UL << _HFI1_EVENT_SL2VL_CHANGE_BIT)
131 #define HFI1_EVENT_TID_MMU_NOTIFY    (1UL << _HFI1_EVENT_TID_MMU_NOTIFY_BIT)
178  * Device status and notifications from driver to user-space.
200 	 * bits 0-3 - version (currently unused)
201 	 * bits 4-7 - opcode (enum sdma_req_opcode)
202 	 * bits 8-15 - io vector count
207 	 * User-space has already computed how many
208 	 * fragment-sized packet the user buffer will be
219 	 * this request should be using. User-space is
255 	ur_rcvhdrhead = 1,