xref: /freebsd/sys/dev/qlxge/qls_def.h (revision a64729f5077d77e13b9497cb33ecb3c82e606ee8)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
30 /*
31  * File: qls_def.h
32  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
33  */
34 
35 #ifndef _QLS_DEF_H_
36 #define _QLS_DEF_H_
37 
38 /*
39  * structure encapsulating a DMA buffer
40  */
41 struct qla_dma {
42         bus_size_t              alignment;
43         uint32_t                size;
44         void                    *dma_b;
45         bus_addr_t              dma_addr;
46         bus_dmamap_t            dma_map;
47         bus_dma_tag_t           dma_tag;
48 };
49 typedef struct qla_dma qla_dma_t;
50 
51 /*
52  * structure encapsulating interrupt vectors
53  */
54 struct qla_ivec {
55 	uint32_t		cq_idx;
56 	void			*ha;
57 	struct resource		*irq;
58 	void			*handle;
59 	int			irq_rid;
60 };
61 typedef struct qla_ivec qla_ivec_t;
62 
63 /*
64  * Transmit Related Definitions
65  */
66 
67 #define MAX_TX_RINGS		1
68 #define NUM_TX_DESCRIPTORS	1024
69 
70 #define QLA_MAX_SEGMENTS	64	/* maximum # of segs in a sg list */
71 #define QLA_OAL_BLK_SIZE	(sizeof (q81_txb_desc_t) * QLA_MAX_SEGMENTS)
72 
73 #define QLA_TX_OALB_TOTAL_SIZE	(NUM_TX_DESCRIPTORS * QLA_OAL_BLK_SIZE)
74 
75 #define QLA_TX_PRIVATE_BSIZE	((QLA_TX_OALB_TOTAL_SIZE + \
76 					PAGE_SIZE + \
77 					(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
78 
79 #define QLA_MAX_MTU		9000
80 #define QLA_STD_FRAME_SIZE	1514
81 #define QLA_MAX_TSO_FRAME_SIZE	((64 * 1024 - 1) + 22)
82 
83 #define QL_FRAME_HDR_SIZE	(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN +\
84                 sizeof (struct ip6_hdr) + sizeof (struct tcphdr) + 16)
85 
86 struct qla_tx_buf {
87 	struct mbuf	*m_head;
88 	bus_dmamap_t	map;
89 
90 	/* The number of entries in the OAL is determined by QLA_MAX_SEGMENTS */
91 	bus_addr_t      oal_paddr;
92 	void		*oal_vaddr;
93 };
94 typedef struct qla_tx_buf qla_tx_buf_t;
95 
96 struct qla_tx_ring {
97 	volatile struct {
98 		uint32_t	wq_dma:1,
99 				privb_dma:1;
100 	} flags;
101 
102 	qla_dma_t		privb_dma;
103 	qla_dma_t		wq_dma;
104 
105 	qla_tx_buf_t		tx_buf[NUM_TX_DESCRIPTORS];
106 	uint64_t		count;
107 
108 	struct resource         *wq_db_addr;
109 	uint32_t		wq_db_offset;
110 
111 	q81_tx_cmd_t		*wq_vaddr;
112 	bus_addr_t		wq_paddr;
113 
114 	void			*wq_icb_vaddr;
115 	bus_addr_t		wq_icb_paddr;
116 
117 	uint32_t		*txr_cons_vaddr;
118 	bus_addr_t		txr_cons_paddr;
119 
120 	volatile uint32_t	txr_free; /* # of free entries in tx ring */
121 	volatile uint32_t	txr_next; /* # next available tx ring entry */
122 	volatile uint32_t	txr_done;
123 
124 	uint64_t		tx_frames;
125 	uint64_t		tx_tso_frames;
126 	uint64_t		tx_vlan_frames;
127 };
128 typedef struct qla_tx_ring qla_tx_ring_t;
129 
130 /*
131  * Receive Related Definitions
132  */
133 
134 #define MAX_RX_RINGS		MAX_TX_RINGS
135 
136 #define NUM_RX_DESCRIPTORS	1024
137 #define NUM_CQ_ENTRIES		NUM_RX_DESCRIPTORS
138 
139 #define QLA_LGB_SIZE		(12 * 1024)
140 #define QLA_NUM_LGB_ENTRIES	32
141 
142 #define QLA_LBQ_SIZE		(QLA_NUM_LGB_ENTRIES * sizeof(q81_bq_addr_e_t))
143 
144 #define QLA_LGBQ_AND_TABLE_SIZE	\
145 	((QLA_LBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
146 
147 /* Please note that Small Buffer size is determined by max mtu size */
148 #define QLA_NUM_SMB_ENTRIES	NUM_RX_DESCRIPTORS
149 
150 #define QLA_SBQ_SIZE		(QLA_NUM_SMB_ENTRIES * sizeof(q81_bq_addr_e_t))
151 
152 #define QLA_SMBQ_AND_TABLE_SIZE	\
153 	((QLA_SBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
154 
155 struct qla_rx_buf {
156 	struct mbuf	*m_head;
157 	bus_dmamap_t	map;
158 	bus_addr_t      paddr;
159 	void		*next;
160 };
161 typedef struct qla_rx_buf qla_rx_buf_t;
162 
163 struct qla_rx_ring {
164 	volatile struct {
165 		uint32_t	cq_dma:1,
166 				lbq_dma:1,
167 				sbq_dma:1,
168 				lb_dma:1;
169 	} flags;
170 
171 	qla_dma_t		cq_dma;
172 	qla_dma_t		lbq_dma;
173 	qla_dma_t		sbq_dma;
174 	qla_dma_t		lb_dma;
175 
176 	struct lro_ctrl		lro;
177 
178 	qla_rx_buf_t		rx_buf[NUM_RX_DESCRIPTORS];
179 	qla_rx_buf_t		*rxb_free;
180 	uint32_t		rx_free;
181 	uint32_t		rx_next;
182 
183 	uint32_t		cq_db_offset;
184 
185 	void			*cq_icb_vaddr;
186 	bus_addr_t		cq_icb_paddr;
187 
188 	uint32_t		*cqi_vaddr;
189 	bus_addr_t		cqi_paddr;
190 
191 	void			*cq_base_vaddr;
192 	bus_addr_t		cq_base_paddr;
193 	uint32_t		cq_next; /* next cq entry to process */
194 
195 	void			*lbq_addr_tbl_vaddr;
196 	bus_addr_t		lbq_addr_tbl_paddr;
197 
198 	void			*lbq_vaddr;
199 	bus_addr_t		lbq_paddr;
200 	uint32_t		lbq_next; /* next entry in LBQ to process */
201 	uint32_t		lbq_free;/* # of entries in LBQ to arm */
202 	uint32_t		lbq_in; /* next entry in LBQ to arm */
203 
204 	void			*lb_vaddr;
205 	bus_addr_t		lb_paddr;
206 
207 	void			*sbq_addr_tbl_vaddr;
208 	bus_addr_t		sbq_addr_tbl_paddr;
209 
210 	void			*sbq_vaddr;
211 	bus_addr_t		sbq_paddr;
212 	uint32_t		sbq_next; /* next entry in SBQ to process */
213 	uint32_t		sbq_free;/* # of entries in SBQ to arm */
214 	uint32_t		sbq_in; /* next entry in SBQ to arm */
215 
216 	uint64_t		rx_int;
217 	uint64_t		rss_int;
218 };
219 typedef struct qla_rx_ring qla_rx_ring_t;
220 
221 #define QLA_WATCHDOG_CALLOUT_TICKS	1
222 
223 /*
224  * Multicast Definitions
225  */
226 typedef struct _qla_mcast {
227 	uint16_t	rsrvd;
228 	uint8_t		addr[6];
229 } __packed qla_mcast_t;
230 
231 /*
232  * Misc. definitions
233  */
234 #define QLA_PAGE_SIZE		4096
235 
236 /*
237  * Adapter structure contains the hardware independent information of the
238  * pci function.
239  */
240 struct qla_host {
241         volatile struct {
242                 volatile uint32_t
243 			mpi_dma			:1,
244 			rss_dma			:1,
245 			intr_enable		:1,
246 			qla_callout_init	:1,
247 			qla_watchdog_active	:1,
248 			qla_watchdog_exit	:1,
249 			qla_watchdog_pause	:1,
250 			lro_init		:1,
251 			parent_tag		:1,
252 			lock_init		:1;
253         } flags;
254 
255 	volatile uint32_t	hw_init;
256 
257 	volatile uint32_t	qla_watchdog_exited;
258 	volatile uint32_t	qla_watchdog_paused;
259 	volatile uint32_t	qla_initiate_recovery;
260 
261 	device_t		pci_dev;
262 
263 	uint8_t			pci_func;
264 	uint16_t		watchdog_ticks;
265 	uint8_t			resvd;
266 
267         /* ioctl related */
268         struct cdev             *ioctl_dev;
269 
270 	/* register mapping */
271 	struct resource		*pci_reg;
272 	int			reg_rid;
273 
274 	struct resource		*pci_reg1;
275 	int			reg_rid1;
276 
277 	int			msix_count;
278 	qla_ivec_t              irq_vec[MAX_RX_RINGS];
279 
280 	/* parent dma tag */
281 	bus_dma_tag_t           parent_tag;
282 
283 	/* interface to o.s */
284 	if_t ifp;
285 
286 	struct ifmedia		media;
287 	uint16_t		max_frame_size;
288 	uint16_t		rsrvd0;
289 	uint32_t		msize;
290 	int			if_flags;
291 
292 	/* hardware access lock */
293 	struct mtx		hw_lock;
294 	volatile uint32_t	hw_lock_held;
295 
296 	uint32_t		vm_pgsize;
297 	/* transmit related */
298 	uint32_t		num_tx_rings;
299 	qla_tx_ring_t		tx_ring[MAX_TX_RINGS];
300 
301 	bus_dma_tag_t		tx_tag;
302 	struct task		tx_task;
303 	struct taskqueue	*tx_tq;
304 	struct callout		tx_callout;
305 	struct mtx		tx_lock;
306 
307 	/* receive related */
308 	uint32_t		num_rx_rings;
309 	qla_rx_ring_t		rx_ring[MAX_RX_RINGS];
310 	bus_dma_tag_t		rx_tag;
311 
312 	/* stats */
313 	uint32_t		err_m_getcl;
314 	uint32_t		err_m_getjcl;
315 	uint32_t		err_tx_dmamap_create;
316 	uint32_t		err_tx_dmamap_load;
317 	uint32_t		err_tx_defrag;
318 
319 	/* mac address related */
320 	uint8_t			mac_rcv_mode;
321 	uint8_t			mac_addr[ETHER_ADDR_LEN];
322 	uint32_t		nmcast;
323 	qla_mcast_t		mcast[Q8_MAX_NUM_MULTICAST_ADDRS];
324 
325 	/* Link Related */
326         uint8_t			link_up;
327 	uint32_t		link_status;
328 	uint32_t		link_down_info;
329 	uint32_t		link_hw_info;
330 	uint32_t		link_dcbx_counters;
331 	uint32_t		link_change_counters;
332 
333 	/* Flash Related */
334 	q81_flash_t		flash;
335 
336 	/* debug stuff */
337 	volatile const char 	*qla_lock;
338 	volatile const char	*qla_unlock;
339 
340 	/* Error Recovery Related */
341 	uint32_t		err_inject;
342 	struct task		err_task;
343 	struct taskqueue	*err_tq;
344 
345 	/* Chip related */
346 	uint32_t		rev_id;
347 
348 	/* mailbox completions */
349 	uint32_t		aen[Q81_NUM_AEN_REGISTERS];
350 	uint32_t		mbox[Q81_NUM_MBX_REGISTERS];
351 	volatile uint32_t       mbx_done;
352 
353 	/* mpi dump related */
354 	qla_dma_t		mpi_dma;
355 	qla_dma_t		rss_dma;
356 
357 };
358 typedef struct qla_host qla_host_t;
359 
360 /* note that align has to be a power of 2 */
361 #define QL_ALIGN(size, align) (((size) + ((align) - 1)) & (~((align) - 1)))
362 #define QL_MIN(x, y) ((x < y) ? x : y)
363 
364 #define QL_RUNNING(ifp) \
365 		((if_getdrvflags(ifp) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
366 			IFF_DRV_RUNNING)
367 
368 /* Return 0, if identical, else 1 */
369 
370 #define QL_MAC_CMP(mac1, mac2)    \
371 	((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
372 	(*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
373 
374 #endif /* #ifndef _QLS_DEF_H_ */
375