xref: /freebsd/sys/dev/qlxgbe/ql_def.h (revision 3e102307b7637eaab1e213740399e9ce50ef3c1b)
1 /*
2  * Copyright (c) 2013-2014 Qlogic Corporation
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 /*
31  * File: ql_def.h
32  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
33  */
34 
35 #ifndef _QL_DEF_H_
36 #define _QL_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_rx_ring {
81 	qla_rx_buf_t	rx_buf[NUM_RX_DESCRIPTORS];
82 };
83 typedef struct qla_rx_ring qla_rx_ring_t;
84 
85 struct qla_tx_buf {
86 	struct mbuf	*m_head;
87 	bus_dmamap_t	map;
88 };
89 typedef struct qla_tx_buf qla_tx_buf_t;
90 
91 #define QLA_MAX_SEGMENTS	62	/* maximum # of segs in a sg list */
92 #define QLA_MAX_MTU		9000
93 #define QLA_STD_FRAME_SIZE	1514
94 #define QLA_MAX_TSO_FRAME_SIZE	((64 * 1024 - 1) + 22)
95 
96 /* Number of MSIX/MSI Vectors required */
97 
98 struct qla_ivec {
99 	uint32_t		sds_idx;
100 	void			*ha;
101 	struct resource		*irq;
102 	void			*handle;
103 	int			irq_rid;
104 };
105 
106 typedef struct qla_ivec qla_ivec_t;
107 
108 #define QLA_WATCHDOG_CALLOUT_TICKS	1
109 
110 typedef struct _qla_tx_ring {
111 	qla_tx_buf_t	tx_buf[NUM_TX_DESCRIPTORS];
112 	uint64_t	count;
113 } qla_tx_ring_t;
114 
115 /*
116  * Adapter structure contains the hardware independant information of the
117  * pci function.
118  */
119 struct qla_host {
120         volatile struct {
121                 volatile uint32_t
122 			qla_callout_init	:1,
123 			qla_watchdog_active	:1,
124 			qla_watchdog_exit	:1,
125 			qla_watchdog_pause	:1,
126 			lro_init		:1,
127 			stop_rcv		:1,
128 			parent_tag		:1,
129 			lock_init		:1;
130         } flags;
131 
132 	volatile uint32_t	qla_watchdog_exited;
133 	volatile uint32_t	qla_watchdog_paused;
134 	volatile uint32_t	qla_initiate_recovery;
135 
136 	device_t		pci_dev;
137 
138 	uint16_t		watchdog_ticks;
139 	uint8_t			pci_func;
140 	uint8_t			resvd;
141 
142         /* ioctl related */
143         struct cdev             *ioctl_dev;
144 
145 	/* register mapping */
146 	struct resource		*pci_reg;
147 	int			reg_rid;
148 	struct resource		*pci_reg1;
149 	int			reg_rid1;
150 
151 	/* interrupts */
152 	struct resource         *mbx_irq;
153 	void			*mbx_handle;
154 	int			mbx_irq_rid;
155 
156 	int			msix_count;
157 
158 	qla_ivec_t		irq_vec[MAX_SDS_RINGS];
159 
160 	/* parent dma tag */
161 	bus_dma_tag_t           parent_tag;
162 
163 	/* interface to o.s */
164 	struct ifnet		*ifp;
165 
166 	struct ifmedia		media;
167 	uint16_t		max_frame_size;
168 	uint16_t		rsrvd0;
169 	int			if_flags;
170 
171 	/* hardware access lock */
172 
173 	struct mtx		hw_lock;
174 	volatile uint32_t	hw_lock_held;
175 
176 	/* transmit and receive buffers */
177 	uint32_t		txr_idx; /* index of the current tx ring */
178 	qla_tx_ring_t		tx_ring[NUM_TX_RINGS];
179 
180 	bus_dma_tag_t		tx_tag;
181 	struct task		tx_task;
182 	struct taskqueue	*tx_tq;
183 	struct callout		tx_callout;
184 	struct mtx		tx_lock;
185 
186 	qla_rx_ring_t		rx_ring[MAX_RDS_RINGS];
187 	bus_dma_tag_t		rx_tag;
188 	uint32_t		std_replenish;
189 
190 	qla_rx_buf_t		*rxb_free;
191 	uint32_t		rxb_free_count;
192 	volatile uint32_t	posting;
193 
194 	/* stats */
195 	uint32_t		err_m_getcl;
196 	uint32_t		err_m_getjcl;
197 	uint32_t		err_tx_dmamap_create;
198 	uint32_t		err_tx_dmamap_load;
199 	uint32_t		err_tx_defrag;
200 
201 	uint64_t		rx_frames;
202 	uint64_t		rx_bytes;
203 
204 	uint64_t		lro_pkt_count;
205 	uint64_t		lro_bytes;
206 
207 	uint64_t		ipv4_lro;
208 	uint64_t		ipv6_lro;
209 
210 	uint64_t		tx_frames;
211 	uint64_t		tx_bytes;
212 	uint64_t		tx_tso_frames;
213 	uint64_t		hw_vlan_tx_frames;
214 
215         uint32_t                fw_ver_major;
216         uint32_t                fw_ver_minor;
217         uint32_t                fw_ver_sub;
218         uint32_t                fw_ver_build;
219 
220 	/* hardware specific */
221 	qla_hw_t		hw;
222 
223 	/* debug stuff */
224 	volatile const char 	*qla_lock;
225 	volatile const char	*qla_unlock;
226 	uint32_t		dbg_level;
227 
228 	uint8_t			fw_ver_str[32];
229 
230 	/* Error Injection Related */
231 	uint32_t		err_inject;
232 	struct task		err_task;
233 	struct taskqueue	*err_tq;
234 
235 	/* Peer Device */
236 	device_t		peer_dev;
237 
238 	volatile uint32_t	msg_from_peer;
239 #define QL_PEER_MSG_RESET	0x01
240 #define QL_PEER_MSG_ACK		0x02
241 
242 };
243 typedef struct qla_host qla_host_t;
244 
245 /* note that align has to be a power of 2 */
246 #define QL_ALIGN(size, align) (size + (align - 1)) & ~(align - 1);
247 #define QL_MIN(x, y) ((x < y) ? x : y)
248 
249 #define QL_RUNNING(ifp) \
250 		((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
251 			IFF_DRV_RUNNING)
252 
253 /* Return 0, if identical, else 1 */
254 #define QL_MAC_CMP(mac1, mac2)    \
255 	((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
256 	(*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
257 
258 #endif /* #ifndef _QL_DEF_H_ */
259