summaryrefslogtreecommitdiffstats
path: root/drivers/bus/dpaa/rte_dpaa_bus.h
blob: eafc944d05989a442175fa757b2e1b211209255d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/*-
 *   BSD LICENSE
 *
 *   Copyright 2017 NXP.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of NXP nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef __RTE_DPAA_BUS_H__
#define __RTE_DPAA_BUS_H__

#include <rte_bus.h>
#include <rte_mempool.h>

#include <fsl_usd.h>
#include <fsl_qman.h>
#include <fsl_bman.h>
#include <of.h>
#include <netcfg.h>

#define FSL_DPAA_BUS_NAME	"FSL_DPAA_BUS"

#define DEV_TO_DPAA_DEVICE(ptr)	\
		container_of(ptr, struct rte_dpaa_device, device)

struct rte_dpaa_device;
struct rte_dpaa_driver;

/* DPAA Device and Driver lists for DPAA bus */
TAILQ_HEAD(rte_dpaa_device_list, rte_dpaa_device);
TAILQ_HEAD(rte_dpaa_driver_list, rte_dpaa_driver);

/* Configuration variables exported from DPAA bus */
extern struct netcfg_info *dpaa_netcfg;

enum rte_dpaa_type {
	FSL_DPAA_ETH = 1,
	FSL_DPAA_CRYPTO,
};

struct rte_dpaa_bus {
	struct rte_bus bus;
	struct rte_dpaa_device_list device_list;
	struct rte_dpaa_driver_list driver_list;
	int device_count;
};

struct dpaa_device_id {
	uint8_t fman_id; /**< Fman interface ID, for ETH type device */
	uint8_t mac_id; /**< Fman MAC interface ID, for ETH type device */
	uint16_t dev_id; /**< Device Identifier from DPDK */
};

struct rte_dpaa_device {
	TAILQ_ENTRY(rte_dpaa_device) next;
	struct rte_device device;
	union {
		struct rte_eth_dev *eth_dev;
		struct rte_cryptodev *crypto_dev;
	};
	struct rte_dpaa_driver *driver;
	struct dpaa_device_id id;
	enum rte_dpaa_type device_type; /**< Ethernet or crypto type device */
	char name[RTE_ETH_NAME_MAX_LEN];
};

typedef int (*rte_dpaa_probe_t)(struct rte_dpaa_driver *dpaa_drv,
				struct rte_dpaa_device *dpaa_dev);
typedef int (*rte_dpaa_remove_t)(struct rte_dpaa_device *dpaa_dev);

struct rte_dpaa_driver {
	TAILQ_ENTRY(rte_dpaa_driver) next;
	struct rte_driver driver;
	struct rte_dpaa_bus *dpaa_bus;
	enum rte_dpaa_type drv_type;
	rte_dpaa_probe_t probe;
	rte_dpaa_remove_t remove;
};

struct dpaa_portal {
	uint32_t bman_idx; /**< BMAN Portal ID*/
	uint32_t qman_idx; /**< QMAN Portal ID*/
	uint64_t tid;/**< Parent Thread id for this portal */
};

/* TODO - this is costly, need to write a fast coversion routine */
static inline void *rte_dpaa_mem_ptov(phys_addr_t paddr)
{
	const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
	int i;

	for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr != NULL; i++) {
		if (paddr >= memseg[i].phys_addr && paddr <
			memseg[i].phys_addr + memseg[i].len)
			return (uint8_t *)(memseg[i].addr) +
			       (paddr - memseg[i].phys_addr);
	}

	return NULL;
}

/**
 * Register a DPAA driver.
 *
 * @param driver
 *   A pointer to a rte_dpaa_driver structure describing the driver
 *   to be registered.
 */
void rte_dpaa_driver_register(struct rte_dpaa_driver *driver);

/**
 * Unregister a DPAA driver.
 *
 * @param driver
 *	A pointer to a rte_dpaa_driver structure describing the driver
 *	to be unregistered.
 */
void rte_dpaa_driver_unregister(struct rte_dpaa_driver *driver);

/**
 * Initialize a DPAA portal
 *
 * @param arg
 *	Per thread ID
 *
 * @return
 *	0 in case of success, error otherwise
 */
int rte_dpaa_portal_init(void *arg);

/**
 * Cleanup a DPAA Portal
 */
void dpaa_portal_finish(void *arg);

/** Helper for DPAA device registration from driver (eth, crypto) instance */
#define RTE_PMD_REGISTER_DPAA(nm, dpaa_drv) \
RTE_INIT(dpaainitfn_ ##nm); \
static void dpaainitfn_ ##nm(void) \
{\
	(dpaa_drv).driver.name = RTE_STR(nm);\
	rte_dpaa_driver_register(&dpaa_drv); \
} \
RTE_PMD_EXPORT_NAME(nm, __COUNTER__)

#ifdef __cplusplus
}
#endif

#endif /* __RTE_DPAA_BUS_H__ */