113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
|
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
|
||
|
|
/* Copyright (C) 2018 Netronome Systems, Inc. */
|
||
|
|
|
||
|
|
#ifndef __NFP_ABI__
|
||
|
|
#define __NFP_ABI__ 1
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#define NFP_MBOX_SYM_NAME "_abi_nfd_pf%u_mbox"
|
||
|
|
#define NFP_MBOX_SYM_MIN_SIZE 16 /* When no data needed */
|
||
|
|
|
||
|
|
#define NFP_MBOX_CMD 0x00
|
||
|
|
#define NFP_MBOX_RET 0x04
|
||
|
|
#define NFP_MBOX_DATA_LEN 0x08
|
||
|
|
#define NFP_MBOX_RESERVED 0x0c
|
||
|
|
#define NFP_MBOX_DATA 0x10
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 {
|
||
|
|
NFP_MBOX_NO_CMD = 0x00,
|
||
|
|
|
||
|
|
NFP_MBOX_POOL_GET = 0x01,
|
||
|
|
NFP_MBOX_POOL_SET = 0x02,
|
||
|
|
|
||
|
|
NFP_MBOX_PCIE_ABM_ENABLE = 0x03,
|
||
|
|
NFP_MBOX_PCIE_ABM_DISABLE = 0x04,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define NFP_SHARED_BUF_COUNT_SYM_NAME "_abi_nfd_pf%u_sb_cnt"
|
||
|
|
#define NFP_SHARED_BUF_TABLE_SYM_NAME "_abi_nfd_pf%u_sb_tbl"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 {
|
||
|
|
__le32 id;
|
||
|
|
__le32 size;
|
||
|
|
__le16 ingress_pools_count;
|
||
|
|
__le16 egress_pools_count;
|
||
|
|
__le16 ingress_tc_count;
|
||
|
|
__le16 egress_tc_count;
|
||
|
|
|
||
|
|
__le32 pool_size_unit;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct nfp_shared_buf_pool_id - shared buffer pool identification
|
||
|
|
* @shared_buf: shared buffer id
|
||
|
|
* @pool: pool index
|
||
|
|
*/
|
||
|
|
struct nfp_shared_buf_pool_id {
|
||
|
|
__le32 shared_buf;
|
||
|
|
__le32 pool;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 {
|
||
|
|
__le32 pool_type;
|
||
|
|
__le32 size;
|
||
|
|
__le32 threshold_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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 {
|
||
|
|
struct nfp_shared_buf_pool_id id;
|
||
|
|
__le32 size;
|
||
|
|
__le32 threshold_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|