xref: /freebsd/sys/dev/qlxge/qls_def.h (revision c6989859ae9388eeb46a24fe88f9b8d07101c710)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2013-2014 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  * $FreeBSD$
30  */
31 
32 /*
33  * File: qls_def.h
34  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
35  */
36 
37 #ifndef _QLS_DEF_H_
38 #define _QLS_DEF_H_
39 
40 /*
41  * structure encapsulating a DMA buffer
42  */
43 struct qla_dma {
44         bus_size_t              alignment;
45         uint32_t                size;
46         void                    *dma_b;
47         bus_addr_t              dma_addr;
48         bus_dmamap_t            dma_map;
49         bus_dma_tag_t           dma_tag;
50 };
51 typedef struct qla_dma qla_dma_t;
52 
53 /*
54  * structure encapsulating interrupt vectors
55  */
56 struct qla_ivec {
57 	uint32_t		cq_idx;
58 	void			*ha;
59 	struct resource		*irq;
60 	void			*handle;
61 	int			irq_rid;
62 };
63 typedef struct qla_ivec qla_ivec_t;
64 
65 /*
66  * Transmit Related Definitions
67  */
68 
69 #define MAX_TX_RINGS		1
70 #define NUM_TX_DESCRIPTORS	1024
71 
72 #define QLA_MAX_SEGMENTS	64	/* maximum # of segs in a sg list */
73 #define QLA_OAL_BLK_SIZE	(sizeof (q81_txb_desc_t) * QLA_MAX_SEGMENTS)
74 
75 #define QLA_TX_OALB_TOTAL_SIZE	(NUM_TX_DESCRIPTORS * QLA_OAL_BLK_SIZE)
76 
77 #define QLA_TX_PRIVATE_BSIZE	((QLA_TX_OALB_TOTAL_SIZE + \
78 					PAGE_SIZE + \
79 					(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
80 
81 #define QLA_MAX_MTU		9000
82 #define QLA_STD_FRAME_SIZE	1514
83 #define QLA_MAX_TSO_FRAME_SIZE	((64 * 1024 - 1) + 22)
84 
85 #define QL_FRAME_HDR_SIZE	(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN +\
86                 sizeof (struct ip6_hdr) + sizeof (struct tcphdr) + 16)
87 
88 struct qla_tx_buf {
89 	struct mbuf	*m_head;
90 	bus_dmamap_t	map;
91 
92 	/* The number of entries in the OAL is determined by QLA_MAX_SEGMENTS */
93 	bus_addr_t      oal_paddr;
94 	void		*oal_vaddr;
95 };
96 typedef struct qla_tx_buf qla_tx_buf_t;
97 
98 struct qla_tx_ring {
99 	volatile struct {
100 		uint32_t	wq_dma:1,
101 				privb_dma:1;
102 	} flags;
103 
104 	qla_dma_t		privb_dma;
105 	qla_dma_t		wq_dma;
106 
107 	qla_tx_buf_t		tx_buf[NUM_TX_DESCRIPTORS];
108 	uint64_t		count;
109 
110 	struct resource         *wq_db_addr;
111 	uint32_t		wq_db_offset;
112 
113 	q81_tx_cmd_t		*wq_vaddr;
114 	bus_addr_t		wq_paddr;
115 
116 	void			*wq_icb_vaddr;
117 	bus_addr_t		wq_icb_paddr;
118 
119 	uint32_t		*txr_cons_vaddr;
120 	bus_addr_t		txr_cons_paddr;
121 
122 	volatile uint32_t	txr_free; /* # of free entries in tx ring */
123 	volatile uint32_t	txr_next; /* # next available tx ring entry */
124 	volatile uint32_t	txr_done;
125 
126 	uint64_t		tx_frames;
127 	uint64_t		tx_tso_frames;
128 	uint64_t		tx_vlan_frames;
129 };
130 typedef struct qla_tx_ring qla_tx_ring_t;
131 
132 /*
133  * Receive Related Definitions
134  */
135 
136 #define MAX_RX_RINGS		MAX_TX_RINGS
137 
138 #define NUM_RX_DESCRIPTORS	1024
139 #define NUM_CQ_ENTRIES		NUM_RX_DESCRIPTORS
140 
141 #define QLA_LGB_SIZE		(12 * 1024)
142 #define QLA_NUM_LGB_ENTRIES	32
143 
144 #define QLA_LBQ_SIZE		(QLA_NUM_LGB_ENTRIES * sizeof(q81_bq_addr_e_t))
145 
146 #define QLA_LGBQ_AND_TABLE_SIZE	\
147 	((QLA_LBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
148 
149 /* Please note that Small Buffer size is determined by max mtu size */
150 #define QLA_NUM_SMB_ENTRIES	NUM_RX_DESCRIPTORS
151 
152 #define QLA_SBQ_SIZE		(QLA_NUM_SMB_ENTRIES * sizeof(q81_bq_addr_e_t))
153 
154 #define QLA_SMBQ_AND_TABLE_SIZE	\
155 	((QLA_SBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
156 
157 struct qla_rx_buf {
158 	struct mbuf	*m_head;
159 	bus_dmamap_t	map;
160 	bus_addr_t      paddr;
161 	void		*next;
162 };
163 typedef struct qla_rx_buf qla_rx_buf_t;
164 
165 struct qla_rx_ring {
166 	volatile struct {
167 		uint32_t	cq_dma:1,
168 				lbq_dma:1,
169 				sbq_dma:1,
170 				lb_dma:1;
171 	} flags;
172 
173 	qla_dma_t		cq_dma;
174 	qla_dma_t		lbq_dma;
175 	qla_dma_t		sbq_dma;
176 	qla_dma_t		lb_dma;
177 
178 	struct lro_ctrl		lro;
179 
180 	qla_rx_buf_t		rx_buf[NUM_RX_DESCRIPTORS];
181 	qla_rx_buf_t		*rxb_free;
182 	uint32_t		rx_free;
183 	uint32_t		rx_next;
184 
185 	uint32_t		cq_db_offset;
186 
187 	void			*cq_icb_vaddr;
188 	bus_addr_t		cq_icb_paddr;
189 
190 	uint32_t		*cqi_vaddr;
191 	bus_addr_t		cqi_paddr;
192 
193 	void			*cq_base_vaddr;
194 	bus_addr_t		cq_base_paddr;
195 	uint32_t		cq_next; /* next cq entry to process */
196 
197 	void			*lbq_addr_tbl_vaddr;
198 	bus_addr_t		lbq_addr_tbl_paddr;
199 
200 	void			*lbq_vaddr;
201 	bus_addr_t		lbq_paddr;
202 	uint32_t		lbq_next; /* next entry in LBQ to process */
203 	uint32_t		lbq_free;/* # of entries in LBQ to arm */
204 	uint32_t		lbq_in; /* next entry in LBQ to arm */
205 
206 	void			*lb_vaddr;
207 	bus_addr_t		lb_paddr;
208 
209 	void			*sbq_addr_tbl_vaddr;
210 	bus_addr_t		sbq_addr_tbl_paddr;
211 
212 	void			*sbq_vaddr;
213 	bus_addr_t		sbq_paddr;
214 	uint32_t		sbq_next; /* next entry in SBQ to process */
215 	uint32_t		sbq_free;/* # of entries in SBQ to arm */
216 	uint32_t		sbq_in; /* next entry in SBQ to arm */
217 
218 	uint64_t		rx_int;
219 	uint64_t		rss_int;
220 };
221 typedef struct qla_rx_ring qla_rx_ring_t;
222 
223 #define QLA_WATCHDOG_CALLOUT_TICKS	1
224 
225 /*
226  * Multicast Definitions
227  */
228 typedef struct _qla_mcast {
229 	uint16_t	rsrvd;
230 	uint8_t		addr[6];
231 } __packed qla_mcast_t;
232 
233 /*
234  * Misc. definitions
235  */
236 #define QLA_PAGE_SIZE		4096
237 
238 /*
239  * Adapter structure contains the hardware independent information of the
240  * pci function.
241  */
242 struct qla_host {
243         volatile struct {
244                 volatile uint32_t
245 			mpi_dma			:1,
246 			rss_dma			:1,
247 			intr_enable		:1,
248 			qla_callout_init	:1,
249 			qla_watchdog_active	:1,
250 			qla_watchdog_exit	:1,
251 			qla_watchdog_pause	:1,
252 			lro_init		:1,
253 			parent_tag		:1,
254 			lock_init		:1;
255         } flags;
256 
257 	volatile uint32_t	hw_init;
258 
259 	volatile uint32_t	qla_watchdog_exited;
260 	volatile uint32_t	qla_watchdog_paused;
261 	volatile uint32_t	qla_initiate_recovery;
262 
263 	device_t		pci_dev;
264 
265 	uint8_t			pci_func;
266 	uint16_t		watchdog_ticks;
267 	uint8_t			resvd;
268 
269         /* ioctl related */
270         struct cdev             *ioctl_dev;
271 
272 	/* register mapping */
273 	struct resource		*pci_reg;
274 	int			reg_rid;
275 
276 	struct resource		*pci_reg1;
277 	int			reg_rid1;
278 
279 	int			msix_count;
280 	qla_ivec_t              irq_vec[MAX_RX_RINGS];
281 
282 	/* parent dma tag */
283 	bus_dma_tag_t           parent_tag;
284 
285 	/* interface to o.s */
286 	struct ifnet		*ifp;
287 
288 	struct ifmedia		media;
289 	uint16_t		max_frame_size;
290 	uint16_t		rsrvd0;
291 	uint32_t		msize;
292 	int			if_flags;
293 
294 	/* hardware access lock */
295 	struct mtx		hw_lock;
296 	volatile uint32_t	hw_lock_held;
297 
298 	uint32_t		vm_pgsize;
299 	/* transmit related */
300 	uint32_t		num_tx_rings;
301 	qla_tx_ring_t		tx_ring[MAX_TX_RINGS];
302 
303 	bus_dma_tag_t		tx_tag;
304 	struct task		tx_task;
305 	struct taskqueue	*tx_tq;
306 	struct callout		tx_callout;
307 	struct mtx		tx_lock;
308 
309 	/* receive related */
310 	uint32_t		num_rx_rings;
311 	qla_rx_ring_t		rx_ring[MAX_RX_RINGS];
312 	bus_dma_tag_t		rx_tag;
313 
314 	/* stats */
315 	uint32_t		err_m_getcl;
316 	uint32_t		err_m_getjcl;
317 	uint32_t		err_tx_dmamap_create;
318 	uint32_t		err_tx_dmamap_load;
319 	uint32_t		err_tx_defrag;
320 
321 	/* mac address related */
322 	uint8_t			mac_rcv_mode;
323 	uint8_t			mac_addr[ETHER_ADDR_LEN];
324 	uint32_t		nmcast;
325 	qla_mcast_t		mcast[Q8_MAX_NUM_MULTICAST_ADDRS];
326 
327 	/* Link Related */
328         uint8_t			link_up;
329 	uint32_t		link_status;
330 	uint32_t		link_down_info;
331 	uint32_t		link_hw_info;
332 	uint32_t		link_dcbx_counters;
333 	uint32_t		link_change_counters;
334 
335 	/* Flash Related */
336 	q81_flash_t		flash;
337 
338 	/* debug stuff */
339 	volatile const char 	*qla_lock;
340 	volatile const char	*qla_unlock;
341 
342 	/* Error Recovery Related */
343 	uint32_t		err_inject;
344 	struct task		err_task;
345 	struct taskqueue	*err_tq;
346 
347 	/* Chip related */
348 	uint32_t		rev_id;
349 
350 	/* mailbox completions */
351 	uint32_t		aen[Q81_NUM_AEN_REGISTERS];
352 	uint32_t		mbox[Q81_NUM_MBX_REGISTERS];
353 	volatile uint32_t       mbx_done;
354 
355 	/* mpi dump related */
356 	qla_dma_t		mpi_dma;
357 	qla_dma_t		rss_dma;
358 
359 };
360 typedef struct qla_host qla_host_t;
361 
362 /* note that align has to be a power of 2 */
363 #define QL_ALIGN(size, align) (((size) + ((align) - 1)) & (~((align) - 1)))
364 #define QL_MIN(x, y) ((x < y) ? x : y)
365 
366 #define QL_RUNNING(ifp) \
367 		((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
368 			IFF_DRV_RUNNING)
369 
370 /* Return 0, if identical, else 1 */
371 
372 #define QL_MAC_CMP(mac1, mac2)    \
373 	((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
374 	(*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
375 
376 #endif /* #ifndef _QLS_DEF_H_ */
377