[ceph.git] / ceph / src / spdk / dpdk / drivers / net / octeontx / base / octeontx_pkovf.h

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2017 Cavium, Inc
 */

#ifndef	__OCTEONTX_PKO_H__
#define	__OCTEONTX_PKO_H__

#include <octeontx_mbox.h>

/* PKO maximum constants */
#define	PKO_VF_MAX			(32)
#define	PKO_VF_NUM_DQ			(8)
#define PKO_MAX_NUM_DQ			(8)
#define	PKO_DQ_DRAIN_TO			(1000)

#define PKO_DQ_FC_SKID			(4)
#define PKO_DQ_FC_DEPTH_PAGES		(2048)
#define PKO_DQ_FC_STRIDE_16		(16)
#define PKO_DQ_FC_STRIDE_128		(128)
#define PKO_DQ_FC_STRIDE		PKO_DQ_FC_STRIDE_16

#define PKO_DQ_KIND_BIT			49
#define PKO_DQ_STATUS_BIT		60
#define PKO_DQ_OP_BIT			48

/* PKO VF register offsets from VF_BAR0 */
#define	PKO_VF_DQ_SW_XOFF(gdq)		(0x000100 | (gdq) << 17)
#define	PKO_VF_DQ_WM_CTL(gdq)		(0x000130 | (gdq) << 17)
#define	PKO_VF_DQ_WM_CNT(gdq)		(0x000150 | (gdq) << 17)
#define	PKO_VF_DQ_FC_CONFIG		(0x000160)
#define	PKO_VF_DQ_FC_STATUS(gdq)	(0x000168 | (gdq) << 17)
#define	PKO_VF_DQ_OP_SEND(gdq, op)	(0x001000 | (gdq) << 17 | (op) << 3)
#define	PKO_VF_DQ_OP_OPEN(gdq)		(0x001100 | (gdq) << 17)
#define	PKO_VF_DQ_OP_CLOSE(gdq)		(0x001200 | (gdq) << 17)
#define	PKO_VF_DQ_OP_QUERY(gdq)		(0x001300 | (gdq) << 17)

/* pko_send_hdr_s + pko_send_link */
#define PKO_CMD_SZ			(2 << 1)
#define PKO_SEND_BUFLINK_SUBDC		(0x0ull << 60)
#define PKO_SEND_BUFLINK_LDTYPE(x)	((x) << 58)
#define PKO_SEND_BUFLINK_GAUAR(x)	((x) << 24)
#define PKO_SEND_GATHER_SUBDC		(0x2ull << 60)
#define PKO_SEND_GATHER_LDTYPE(x)	((x) << 58)
#define PKO_SEND_GATHER_GAUAR(x)	((x) << 24)

#define OCTEONTX_PKO_COPROC                     4
#define MBOX_PKO_MTU_CONFIG			1

typedef struct mbox_pko_mtu_cfg {
	uint32_t mtu;
} mbox_pko_mtu_cfg_t;

typedef struct octeontx_dq_s {
	void *lmtline_va;
	void *ioreg_va;
	void *fc_status_va;
} octeontx_dq_t;

/**
 * Function for extracting information out of a given DQ.
 *
 * It is intended to be used in slow path (configuration) in
 * octeontx_pko_channel_query().
 *
 * @param dq The DQ to extract information from.
 * @param out Pointer to the user's structure he wants to fill.
 */
typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);

int
octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size,
			       size_t dq_num, octeontx_pko_dq_getter_t getter);
int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid);
int octeontx_pko_channel_close(int chanid);
int octeontx_pko_channel_start(int chanid);
int octeontx_pko_channel_stop(int chanid);
int octeontx_pko_vf_count(void);
size_t octeontx_pko_get_vfid(void);
int octeontx_pko_init_fc(const size_t pko_vf_count);
void octeontx_pko_fc_free(void);
int octeontx_pko_send_mtu(int port, int mtu);

#endif /* __OCTEONTX_PKO_H__ */
Commit	Line	Data
11fdf7f2 TL	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
f67539c2 TL	8	#include <octeontx_mbox.h>
f67539c2 TL	9
11fdf7f2 TL	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)
f67539c2 TL	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)
11fdf7f2 TL	43	#define PKO_SEND_GATHER_LDTYPE(x) ((x) << 58)
	44	#define PKO_SEND_GATHER_GAUAR(x) ((x) << 24)
	45
f67539c2 TL	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
11fdf7f2 TL	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);
f67539c2	78	size_t octeontx_pko_get_vfid(void);
11fdf7f2 TL	79	int octeontx_pko_init_fc(const size_t pko_vf_count);
11fdf7f2 TL	80	void octeontx_pko_fc_free(void);
f67539c2	81	int octeontx_pko_send_mtu(int port, int mtu);
11fdf7f2 TL	82
11fdf7f2 TL	83	#endif /* __OCTEONTX_PKO_H__ */