xref: /freebsd/sys/dev/qlxgb/qla_def.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2011-2013 Qlogic Corporation
5  * All rights reserved.
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions
9  *  are met:
10  *
11  *  1. Redistributions of source code must retain the above copyright
12  *     notice, this list of conditions and the following disclaimer.
13  *  2. Redistributions in binary form must reproduce the above copyright
14  *     notice, this list of conditions and the following disclaimer in the
15  *     documentation and/or other materials provided with the distribution.
16  *
17  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  *  POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 /*
31  * File: qla_def.h
32  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
33  */
34 
35 #ifndef _QLA_DEF_H_
36 #define _QLA_DEF_H_
37 
38 #define BIT_0                   (0x1 << 0)
39 #define BIT_1                   (0x1 << 1)
40 #define BIT_2                   (0x1 << 2)
41 #define BIT_3                   (0x1 << 3)
42 #define BIT_4                   (0x1 << 4)
43 #define BIT_5                   (0x1 << 5)
44 #define BIT_6                   (0x1 << 6)
45 #define BIT_7                   (0x1 << 7)
46 #define BIT_8                   (0x1 << 8)
47 #define BIT_9                   (0x1 << 9)
48 #define BIT_10                  (0x1 << 10)
49 #define BIT_11                  (0x1 << 11)
50 #define BIT_12                  (0x1 << 12)
51 #define BIT_13                  (0x1 << 13)
52 #define BIT_14                  (0x1 << 14)
53 #define BIT_15                  (0x1 << 15)
54 #define BIT_16                  (0x1 << 16)
55 #define BIT_17                  (0x1 << 17)
56 #define BIT_18                  (0x1 << 18)
57 #define BIT_19                  (0x1 << 19)
58 #define BIT_20                  (0x1 << 20)
59 #define BIT_21                  (0x1 << 21)
60 #define BIT_22                  (0x1 << 22)
61 #define BIT_23                  (0x1 << 23)
62 #define BIT_24                  (0x1 << 24)
63 #define BIT_25                  (0x1 << 25)
64 #define BIT_26                  (0x1 << 26)
65 #define BIT_27                  (0x1 << 27)
66 #define BIT_28                  (0x1 << 28)
67 #define BIT_29                  (0x1 << 29)
68 #define BIT_30                  (0x1 << 30)
69 #define BIT_31                  (0x1 << 31)
70 
71 struct qla_rx_buf {
72 	struct mbuf	*m_head;
73 	bus_dmamap_t	map;
74 	bus_addr_t      paddr;
75 	uint32_t	handle;
76 	void		*next;
77 };
78 typedef struct qla_rx_buf qla_rx_buf_t;
79 
80 struct qla_tx_buf {
81 	struct mbuf	*m_head;
82 	bus_dmamap_t	map;
83 };
84 typedef struct qla_tx_buf qla_tx_buf_t;
85 
86 #define QLA_MAX_SEGMENTS	63	/* maximum # of segs in a sg list */
87 #define QLA_MAX_FRAME_SIZE	MJUM9BYTES
88 #define QLA_STD_FRAME_SIZE	1514
89 #define QLA_MAX_TSO_FRAME_SIZE	((64 * 1024 - 1) + 22)
90 
91 /* Number of MSIX/MSI Vectors required */
92 #define Q8_MSI_COUNT		4
93 
94 struct qla_ivec {
95 	struct resource		*irq;
96 	void			*handle;
97 	int			irq_rid;
98 	void			*ha;
99 	struct task		rcv_task;
100 	struct taskqueue	*rcv_tq;
101 };
102 
103 typedef struct qla_ivec qla_ivec_t;
104 
105 #define QLA_WATCHDOG_CALLOUT_TICKS	1
106 
107 /*
108  * Adapter structure contains the hardware independent information of the
109  * pci function.
110  */
111 struct qla_host {
112         volatile struct {
113                 volatile uint32_t
114 			qla_watchdog_active  :1,
115 			qla_watchdog_exit    :1,
116 			qla_watchdog_pause   :1,
117 			lro_init	:1,
118 			stop_rcv	:1,
119 			link_up		:1,
120 			parent_tag	:1,
121 			lock_init	:1;
122         } flags;
123 
124 	device_t		pci_dev;
125 
126 	uint8_t			pci_func;
127 	uint16_t		watchdog_ticks;
128 	uint8_t			resvd;
129 
130         /* ioctl related */
131         struct cdev             *ioctl_dev;
132 
133 	/* register mapping */
134 	struct resource		*pci_reg;
135 	int			reg_rid;
136 
137 	/* interrupts */
138 	struct resource         *irq;
139 	int			msix_count;
140 	void			*intr_handle;
141 	qla_ivec_t		irq_vec[Q8_MSI_COUNT];
142 
143 	/* parent dma tag */
144 	bus_dma_tag_t           parent_tag;
145 
146 	/* interface to o.s */
147 	if_t			ifp;
148 
149 	struct ifmedia		media;
150 	uint16_t		max_frame_size;
151 	uint16_t		rsrvd0;
152 	int			if_flags;
153 
154 	/* hardware access lock */
155 	struct mtx		hw_lock;
156 	volatile uint32_t	hw_lock_held;
157 
158 	/* transmit and receive buffers */
159 	qla_tx_buf_t		tx_buf[NUM_TX_DESCRIPTORS];
160 	bus_dma_tag_t		tx_tag;
161 	struct mtx		tx_lock;
162 	struct task		tx_task;
163 	struct taskqueue	*tx_tq;
164 	struct callout		tx_callout;
165 
166 	qla_rx_buf_t		rx_buf[NUM_RX_DESCRIPTORS];
167 	qla_rx_buf_t		rx_jbuf[NUM_RX_JUMBO_DESCRIPTORS];
168 	bus_dma_tag_t		rx_tag;
169 
170 	struct mtx		rx_lock;
171 	struct mtx		rxj_lock;
172 
173 	/* stats */
174 	uint32_t		err_m_getcl;
175 	uint32_t		err_m_getjcl;
176 	uint32_t		err_tx_dmamap_create;
177 	uint32_t		err_tx_dmamap_load;
178 	uint32_t		err_tx_defrag;
179 
180 	uint64_t		rx_frames;
181 	uint64_t		rx_bytes;
182 
183 	uint64_t		tx_frames;
184 	uint64_t		tx_bytes;
185 
186         uint32_t                fw_ver_major;
187         uint32_t                fw_ver_minor;
188         uint32_t                fw_ver_sub;
189         uint32_t                fw_ver_build;
190 
191 	/* hardware specific */
192 	qla_hw_t		hw;
193 
194 	/* debug stuff */
195 	volatile const char 	*qla_lock;
196 	volatile const char	*qla_unlock;
197 
198 	uint8_t			fw_ver_str[32];
199 };
200 typedef struct qla_host qla_host_t;
201 
202 /* note that align has to be a power of 2 */
203 #define QL_ALIGN(size, align) (((size) + ((align) - 1)) & (~((align) - 1)))
204 #define QL_MIN(x, y) ((x < y) ? x : y)
205 
206 #define QL_RUNNING(ifp) \
207 		((if_getdrvflags(ifp) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
208 			IFF_DRV_RUNNING)
209 
210 #endif /* #ifndef _QLA_DEF_H_ */
211