1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Cavium, Inc 3 */ 4 5 #ifndef __OCTEONTX_PKO_H__ 6 #define __OCTEONTX_PKO_H__ 7 8 #include <octeontx_mbox.h> 9 10 /* PKO maximum constants */ 11 #define PKO_VF_MAX (32) 12 #define PKO_VF_NUM_DQ (8) 13 #define PKO_MAX_NUM_DQ (8) 14 #define PKO_DQ_DRAIN_TO (1000) 15 16 #define PKO_DQ_FC_SKID (4) 17 #define PKO_DQ_FC_DEPTH_PAGES (2048) 18 #define PKO_DQ_FC_STRIDE_16 (16) 19 #define PKO_DQ_FC_STRIDE_128 (128) 20 #define PKO_DQ_FC_STRIDE PKO_DQ_FC_STRIDE_16 21 22 #define PKO_DQ_KIND_BIT 49 23 #define PKO_DQ_STATUS_BIT 60 24 #define PKO_DQ_OP_BIT 48 25 26 /* PKO VF register offsets from VF_BAR0 */ 27 #define PKO_VF_DQ_SW_XOFF(gdq) (0x000100 | (gdq) << 17) 28 #define PKO_VF_DQ_WM_CTL(gdq) (0x000130 | (gdq) << 17) 29 #define PKO_VF_DQ_WM_CNT(gdq) (0x000150 | (gdq) << 17) 30 #define PKO_VF_DQ_FC_CONFIG (0x000160) 31 #define PKO_VF_DQ_FC_STATUS(gdq) (0x000168 | (gdq) << 17) 32 #define PKO_VF_DQ_OP_SEND(gdq, op) (0x001000 | (gdq) << 17 | (op) << 3) 33 #define PKO_VF_DQ_OP_OPEN(gdq) (0x001100 | (gdq) << 17) 34 #define PKO_VF_DQ_OP_CLOSE(gdq) (0x001200 | (gdq) << 17) 35 #define PKO_VF_DQ_OP_QUERY(gdq) (0x001300 | (gdq) << 17) 36 37 /* pko_send_hdr_s + pko_send_link */ 38 #define PKO_CMD_SZ (2 << 1) 39 #define PKO_SEND_BUFLINK_SUBDC (0x0ull << 60) 40 #define PKO_SEND_BUFLINK_LDTYPE(x) ((x) << 58) 41 #define PKO_SEND_BUFLINK_GAUAR(x) ((x) << 24) 42 #define PKO_SEND_GATHER_SUBDC (0x2ull << 60) 43 #define PKO_SEND_GATHER_LDTYPE(x) ((x) << 58) 44 #define PKO_SEND_GATHER_GAUAR(x) ((x) << 24) 45 46 #define OCTEONTX_PKO_COPROC 4 47 #define MBOX_PKO_MTU_CONFIG 1 48 49 typedef struct mbox_pko_mtu_cfg { 50 uint32_t mtu; 51 } mbox_pko_mtu_cfg_t; 52 53 typedef struct octeontx_dq_s { 54 void *lmtline_va; 55 void *ioreg_va; 56 void *fc_status_va; 57 } octeontx_dq_t; 58 59 /** 60 * Function for extracting information out of a given DQ. 61 * 62 * It is intended to be used in slow path (configuration) in 63 * octeontx_pko_channel_query(). 64 * 65 * @param dq The DQ to extract information from. 66 * @param out Pointer to the user's structure he wants to fill. 67 */ 68 typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out); 69 70 int 71 octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size, 72 size_t dq_num, octeontx_pko_dq_getter_t getter); 73 int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid); 74 int octeontx_pko_channel_close(int chanid); 75 int octeontx_pko_channel_start(int chanid); 76 int octeontx_pko_channel_stop(int chanid); 77 int octeontx_pko_vf_count(void); 78 size_t octeontx_pko_get_vfid(void); 79 int octeontx_pko_init_fc(const size_t pko_vf_count); 80 void octeontx_pko_fc_free(void); 81 int octeontx_pko_send_mtu(int port, int mtu); 82 83 #endif /* __OCTEONTX_PKO_H__ */ 84