1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
5 #ifndef __OCTEONTX_PKO_H__
6 #define __OCTEONTX_PKO_H__
8 #include <octeontx_mbox.h>
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)
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
22 #define PKO_DQ_KIND_BIT 49
23 #define PKO_DQ_STATUS_BIT 60
24 #define PKO_DQ_OP_BIT 48
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)
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)
46 typedef struct octeontx_dq_s {
53 * Function for extracting information out of a given DQ.
55 * It is intended to be used in slow path (configuration) in
56 * octeontx_pko_channel_query().
58 * @param dq The DQ to extract information from.
59 * @param out Pointer to the user's structure he wants to fill.
61 typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);
64 octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size,
65 size_t dq_num, octeontx_pko_dq_getter_t getter);
66 int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid);
67 int octeontx_pko_channel_close(int chanid);
68 int octeontx_pko_channel_start(int chanid);
69 int octeontx_pko_channel_stop(int chanid);
70 int octeontx_pko_vf_count(void);
71 size_t octeontx_pko_get_vfid(void);
72 int octeontx_pko_init_fc(const size_t pko_vf_count);
73 void octeontx_pko_fc_free(void);
75 #endif /* __OCTEONTX_PKO_H__ */