1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
5 #ifndef __OCTEONTX_PKO_H__
6 #define __OCTEONTX_PKO_H__
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)
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
20 #define PKO_DQ_KIND_BIT 49
21 #define PKO_DQ_STATUS_BIT 60
22 #define PKO_DQ_OP_BIT 48
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)
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)
41 typedef struct octeontx_dq_s {
48 * Function for extracting information out of a given DQ.
50 * It is intended to be used in slow path (configuration) in
51 * octeontx_pko_channel_query().
53 * @param dq The DQ to extract information from.
54 * @param out Pointer to the user's structure he wants to fill.
56 typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);
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);
69 #endif /* __OCTEONTX_PKO_H__ */