/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2018 Netronome Systems, Inc. */ #ifndef __NFP_ABI__ #define __NFP_ABI__ … #include <linux/types.h> #define NFP_MBOX_SYM_NAME … #define NFP_MBOX_SYM_MIN_SIZE … #define NFP_MBOX_CMD … #define NFP_MBOX_RET … #define NFP_MBOX_DATA_LEN … #define NFP_MBOX_RESERVED … #define NFP_MBOX_DATA … /** * enum nfp_mbox_cmd - PF mailbox commands * * @NFP_MBOX_NO_CMD: null command * Used to indicate previous command has finished. * * @NFP_MBOX_POOL_GET: get shared buffer pool info/config * Input - struct nfp_shared_buf_pool_id * Output - struct nfp_shared_buf_pool_info_get * * @NFP_MBOX_POOL_SET: set shared buffer pool info/config * Input - struct nfp_shared_buf_pool_info_set * Output - None * * @NFP_MBOX_PCIE_ABM_ENABLE: enable PCIe-side advanced buffer management * Enable advanced buffer management of the PCIe block. If ABM is disabled * PCIe block maintains a very short queue of buffers and does tail drop. * ABM allows more advanced buffering and priority control. * Input - None * Output - None * * @NFP_MBOX_PCIE_ABM_DISABLE: disable PCIe-side advanced buffer management * Input - None * Output - None */ enum nfp_mbox_cmd { … }; #define NFP_SHARED_BUF_COUNT_SYM_NAME … #define NFP_SHARED_BUF_TABLE_SYM_NAME … /** * struct nfp_shared_buf - NFP shared buffer description * @id: numerical user-visible id of the shared buffer * @size: size in bytes of the buffer * @ingress_pools_count: number of ingress pools * @egress_pools_count: number of egress pools * @ingress_tc_count: number of ingress trafic classes * @egress_tc_count: number of egress trafic classes * @pool_size_unit: pool size may be in credits, each credit is * @pool_size_unit bytes */ struct nfp_shared_buf { … }; /** * struct nfp_shared_buf_pool_id - shared buffer pool identification * @shared_buf: shared buffer id * @pool: pool index */ struct nfp_shared_buf_pool_id { … }; /** * struct nfp_shared_buf_pool_info_get - struct devlink_sb_pool_info mirror * @pool_type: one of enum devlink_sb_pool_type * @size: pool size in units of SB's @pool_size_unit * @threshold_type: one of enum devlink_sb_threshold_type */ struct nfp_shared_buf_pool_info_get { … }; /** * struct nfp_shared_buf_pool_info_set - packed args of sb_pool_set * @id: pool identification info * @size: pool size in units of SB's @pool_size_unit * @threshold_type: one of enum devlink_sb_threshold_type */ struct nfp_shared_buf_pool_info_set { … }; #endif
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