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