xref: /freebsd/sys/dev/qlxge/qls_def.h (revision 56e53cb8ef000c3ef72337a4095987a932cdedef)
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 
100 	volatile struct {
101 		uint32_t	wq_dma:1,
102 				privb_dma:1;
103 	} flags;
104 
105 	qla_dma_t		privb_dma;
106 	qla_dma_t		wq_dma;
107 
108 	qla_tx_buf_t		tx_buf[NUM_TX_DESCRIPTORS];
109 	uint64_t		count;
110 
111 	struct resource         *wq_db_addr;
112 	uint32_t		wq_db_offset;
113 
114 	q81_tx_cmd_t		*wq_vaddr;
115 	bus_addr_t		wq_paddr;
116 
117 	void			*wq_icb_vaddr;
118 	bus_addr_t		wq_icb_paddr;
119 
120 	uint32_t		*txr_cons_vaddr;
121 	bus_addr_t		txr_cons_paddr;
122 
123 	volatile uint32_t	txr_free; /* # of free entries in tx ring */
124 	volatile uint32_t	txr_next; /* # next available tx ring entry */
125 	volatile uint32_t	txr_done;
126 
127 	uint64_t		tx_frames;
128 	uint64_t		tx_tso_frames;
129 	uint64_t		tx_vlan_frames;
130 };
131 typedef struct qla_tx_ring qla_tx_ring_t;
132 
133 /*
134  * Receive Related Definitions
135  */
136 
137 #define MAX_RX_RINGS		MAX_TX_RINGS
138 
139 #define NUM_RX_DESCRIPTORS	1024
140 #define NUM_CQ_ENTRIES		NUM_RX_DESCRIPTORS
141 
142 #define QLA_LGB_SIZE		(12 * 1024)
143 #define QLA_NUM_LGB_ENTRIES	32
144 
145 #define QLA_LBQ_SIZE		(QLA_NUM_LGB_ENTRIES * sizeof(q81_bq_addr_e_t))
146 
147 #define QLA_LGBQ_AND_TABLE_SIZE	\
148 	((QLA_LBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
149 
150 
151 /* Please note that Small Buffer size is determined by max mtu size */
152 #define QLA_NUM_SMB_ENTRIES	NUM_RX_DESCRIPTORS
153 
154 #define QLA_SBQ_SIZE		(QLA_NUM_SMB_ENTRIES * sizeof(q81_bq_addr_e_t))
155 
156 #define QLA_SMBQ_AND_TABLE_SIZE	\
157 	((QLA_SBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
158 
159 struct qla_rx_buf {
160 	struct mbuf	*m_head;
161 	bus_dmamap_t	map;
162 	bus_addr_t      paddr;
163 	void		*next;
164 };
165 typedef struct qla_rx_buf qla_rx_buf_t;
166 
167 struct qla_rx_ring {
168 	volatile struct {
169 		uint32_t	cq_dma:1,
170 				lbq_dma:1,
171 				sbq_dma:1,
172 				lb_dma:1;
173 	} flags;
174 
175 	qla_dma_t		cq_dma;
176 	qla_dma_t		lbq_dma;
177 	qla_dma_t		sbq_dma;
178 	qla_dma_t		lb_dma;
179 
180 	struct lro_ctrl		lro;
181 
182 	qla_rx_buf_t		rx_buf[NUM_RX_DESCRIPTORS];
183 	qla_rx_buf_t		*rxb_free;
184 	uint32_t		rx_free;
185 	uint32_t		rx_next;
186 
187 	uint32_t		cq_db_offset;
188 
189 	void			*cq_icb_vaddr;
190 	bus_addr_t		cq_icb_paddr;
191 
192 	uint32_t		*cqi_vaddr;
193 	bus_addr_t		cqi_paddr;
194 
195 	void			*cq_base_vaddr;
196 	bus_addr_t		cq_base_paddr;
197 	uint32_t		cq_next; /* next cq entry to process */
198 
199 	void			*lbq_addr_tbl_vaddr;
200 	bus_addr_t		lbq_addr_tbl_paddr;
201 
202 	void			*lbq_vaddr;
203 	bus_addr_t		lbq_paddr;
204 	uint32_t		lbq_next; /* next entry in LBQ to process */
205 	uint32_t		lbq_free;/* # of entries in LBQ to arm */
206 	uint32_t		lbq_in; /* next entry in LBQ to arm */
207 
208 	void			*lb_vaddr;
209 	bus_addr_t		lb_paddr;
210 
211 	void			*sbq_addr_tbl_vaddr;
212 	bus_addr_t		sbq_addr_tbl_paddr;
213 
214 	void			*sbq_vaddr;
215 	bus_addr_t		sbq_paddr;
216 	uint32_t		sbq_next; /* next entry in SBQ to process */
217 	uint32_t		sbq_free;/* # of entries in SBQ to arm */
218 	uint32_t		sbq_in; /* next entry in SBQ to arm */
219 
220 	uint64_t		rx_int;
221 	uint64_t		rss_int;
222 };
223 typedef struct qla_rx_ring qla_rx_ring_t;
224 
225 
226 #define QLA_WATCHDOG_CALLOUT_TICKS	1
227 
228 /*
229  * Multicast Definitions
230  */
231 typedef struct _qla_mcast {
232 	uint16_t	rsrvd;
233 	uint8_t		addr[6];
234 } __packed qla_mcast_t;
235 
236 /*
237  * Misc. definitions
238  */
239 #define QLA_PAGE_SIZE		4096
240 
241 /*
242  * Adapter structure contains the hardware independent information of the
243  * pci function.
244  */
245 struct qla_host {
246         volatile struct {
247                 volatile uint32_t
248 			mpi_dma			:1,
249 			rss_dma			:1,
250 			intr_enable		:1,
251 			qla_callout_init	:1,
252 			qla_watchdog_active	:1,
253 			qla_watchdog_exit	:1,
254 			qla_watchdog_pause	:1,
255 			lro_init		:1,
256 			parent_tag		:1,
257 			lock_init		:1;
258         } flags;
259 
260 	volatile uint32_t	hw_init;
261 
262 	volatile uint32_t	qla_watchdog_exited;
263 	volatile uint32_t	qla_watchdog_paused;
264 	volatile uint32_t	qla_initiate_recovery;
265 
266 	device_t		pci_dev;
267 
268 	uint8_t			pci_func;
269 	uint16_t		watchdog_ticks;
270 	uint8_t			resvd;
271 
272         /* ioctl related */
273         struct cdev             *ioctl_dev;
274 
275 	/* register mapping */
276 	struct resource		*pci_reg;
277 	int			reg_rid;
278 
279 	struct resource		*pci_reg1;
280 	int			reg_rid1;
281 
282 	int			msix_count;
283 	qla_ivec_t              irq_vec[MAX_RX_RINGS];
284 
285 	/* parent dma tag */
286 	bus_dma_tag_t           parent_tag;
287 
288 	/* interface to o.s */
289 	struct ifnet		*ifp;
290 
291 	struct ifmedia		media;
292 	uint16_t		max_frame_size;
293 	uint16_t		rsrvd0;
294 	uint32_t		msize;
295 	int			if_flags;
296 
297 	/* hardware access lock */
298 	struct mtx		hw_lock;
299 	volatile uint32_t	hw_lock_held;
300 
301 	uint32_t		vm_pgsize;
302 	/* transmit related */
303 	uint32_t		num_tx_rings;
304 	qla_tx_ring_t		tx_ring[MAX_TX_RINGS];
305 
306 	bus_dma_tag_t		tx_tag;
307 	struct task		tx_task;
308 	struct taskqueue	*tx_tq;
309 	struct callout		tx_callout;
310 	struct mtx		tx_lock;
311 
312 	/* receive related */
313 	uint32_t		num_rx_rings;
314 	qla_rx_ring_t		rx_ring[MAX_RX_RINGS];
315 	bus_dma_tag_t		rx_tag;
316 
317 	/* stats */
318 	uint32_t		err_m_getcl;
319 	uint32_t		err_m_getjcl;
320 	uint32_t		err_tx_dmamap_create;
321 	uint32_t		err_tx_dmamap_load;
322 	uint32_t		err_tx_defrag;
323 
324 	/* mac address related */
325 	uint8_t			mac_rcv_mode;
326 	uint8_t			mac_addr[ETHER_ADDR_LEN];
327 	uint32_t		nmcast;
328 	qla_mcast_t		mcast[Q8_MAX_NUM_MULTICAST_ADDRS];
329 
330 	/* Link Related */
331         uint8_t			link_up;
332 	uint32_t		link_status;
333 	uint32_t		link_down_info;
334 	uint32_t		link_hw_info;
335 	uint32_t		link_dcbx_counters;
336 	uint32_t		link_change_counters;
337 
338 	/* Flash Related */
339 	q81_flash_t		flash;
340 
341 	/* debug stuff */
342 	volatile const char 	*qla_lock;
343 	volatile const char	*qla_unlock;
344 
345 	/* Error Recovery Related */
346 	uint32_t		err_inject;
347 	struct task		err_task;
348 	struct taskqueue	*err_tq;
349 
350 	/* Chip related */
351 	uint32_t		rev_id;
352 
353 	/* mailbox completions */
354 	uint32_t		aen[Q81_NUM_AEN_REGISTERS];
355 	uint32_t		mbox[Q81_NUM_MBX_REGISTERS];
356 	volatile uint32_t       mbx_done;
357 
358 	/* mpi dump related */
359 	qla_dma_t		mpi_dma;
360 	qla_dma_t		rss_dma;
361 
362 };
363 typedef struct qla_host qla_host_t;
364 
365 /* note that align has to be a power of 2 */
366 #define QL_ALIGN(size, align) (((size) + ((align) - 1)) & (~((align) - 1)))
367 #define QL_MIN(x, y) ((x < y) ? x : y)
368 
369 #define QL_RUNNING(ifp) \
370 		((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
371 			IFF_DRV_RUNNING)
372 
373 /* Return 0, if identical, else 1 */
374 
375 #define QL_MAC_CMP(mac1, mac2)    \
376 	((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
377 	(*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
378 
379 #endif /* #ifndef _QLS_DEF_H_ */
380