if_sgereg.h revision 331722
1/*-
2 * Copyright (c) 2008, 2009, 2010 Nikolay Denev <ndenev@gmail.com>
3 * Copyright (c) 2007, 2008 Alexander Pohoyda <alexander.pohoyda@gmx.net>
4 * Copyright (c) 1997, 1998, 1999
5 *      Bill Paul <wpaul@ctr.columbia.edu>.  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 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS''
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL AUTHORS OR
26 * THE VOICES IN THEIR HEADS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
33 * OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $FreeBSD: stable/11/sys/dev/sge/if_sgereg.h 331722 2018-03-29 02:50:57Z eadler $
36 */
37
38#ifndef _IF_SGEREG_H
39#define	_IF_SGEREG_H
40
41/*
42 * SiS PCI vendor ID.
43 */
44#define	SIS_VENDORID		0x1039
45
46/*
47 * SiS PCI device IDs
48 */
49#define	SIS_DEVICEID_190	0x0190
50#define	SIS_DEVICEID_191	0x0191
51
52#define	TX_CTL			0x00
53#define	TX_DESC			0x04
54#define	Reserved0		0x08
55#define	TX_NEXT			0x0c
56
57#define	RX_CTL			0x10
58#define	RX_DESC			0x14
59#define	Reserved1		0x18
60#define	RX_NEXT			0x1c
61
62#define	IntrStatus		0x20
63#define	IntrMask		0x24
64#define	IntrControl		0x28
65#define	IntrTimer		0x2c
66
67#define	PMControl		0x30
68#define	Reserved2		0x34
69#define	ROMControl		0x38
70#define	ROMInterface		0x3c
71#define	StationControl		0x40
72#define	GMIIControl		0x44
73#define	GMacIOCR		0x48
74#define	GMacIOCTL		0x4c
75#define	TxMacControl		0x50
76#define	TxMacTimeLimit		0x54
77#define	RGMIIDelay		0x58
78#define	Reserved3		0x5c
79#define	RxMacControl		0x60	/* 1  WORD */
80#define	RxMacAddr		0x62	/* 6x BYTE */
81#define	RxHashTable		0x68	/* 1 LONG */
82#define	RxHashTable2		0x6c	/* 1 LONG */
83#define	RxWakeOnLan		0x70
84#define	RxWakeOnLanData		0x74
85#define	RxMPSControl		0x78
86#define	Reserved4		0x7c
87
88/*
89 * IntrStatus Register Content
90 */
91#define	INTR_SOFT		0x40000000
92#define	INTR_TIMER		0x20000000
93#define	INTR_PAUSE_FRAME	0x00080000
94#define	INTR_MAGIC_FRAME	0x00040000
95#define	INTR_WAKE_FRAME		0x00020000
96#define	INTR_LINK		0x00010000
97#define	INTR_RX_IDLE		0x00000080
98#define	INTR_RX_DONE		0x00000040
99#define	INTR_TXQ1_IDLE		0x00000020
100#define	INTR_TXQ1_DONE		0x00000010
101#define	INTR_TX_IDLE		0x00000008
102#define	INTR_TX_DONE		0x00000004
103#define	INTR_RX_HALT		0x00000002
104#define	INTR_TX_HALT		0x00000001
105
106#define	SGE_INTRS							\
107	(INTR_RX_IDLE | INTR_RX_DONE | INTR_TXQ1_IDLE |			\
108	 INTR_TXQ1_DONE |INTR_TX_IDLE | INTR_TX_DONE |			\
109	 INTR_TX_HALT | INTR_RX_HALT)
110
111/*
112 * RxStatusDesc Register Content
113 */
114#define	RxRES			0x00200000
115#define	RxCRC			0x00080000
116#define	RxRUNT			0x00100000
117#define	RxRWT			0x00400000
118
119/*
120 * RX_CTL Register Content
121 */
122#define	RX_CTL_POLL		0x00000010
123#define	RX_CTL_ENB		0x00000001
124
125/*
126 * TX_CTL Register Content
127 */
128#define	TX_CTL_POLL		0x00000010
129#define	TX_CTL_ENB		0x00000001
130
131/*
132 * RxMacControl Register Content
133 */
134#define	AcceptBroadcast		0x0800
135#define	AcceptMulticast		0x0400
136#define	AcceptMyPhys		0x0200
137#define	AcceptAllPhys		0x0100
138#define	AcceptErr		0x0020
139#define	AcceptRunt		0x0010
140#define	RXMAC_STRIP_VLAN	0x0020
141#define	RXMAC_STRIP_FCS		0x0010
142#define	RXMAC_PAD_ENB		0x0004
143#define	RXMAC_CSUM_ENB		0x0002
144
145#define	SGE_RX_PAD_BYTES	10
146
147/* Station control register. */
148#define	SC_LOOPBACK		0x80000000
149#define	SC_RGMII		0x00008000
150#define	SC_FDX			0x00001000
151#define	SC_SPEED_MASK		0x00000c00
152#define	SC_SPEED_10		0x00000400
153#define	SC_SPEED_100		0x00000800
154#define	SC_SPEED_1000		0x00000c00
155
156/*
157 * Gigabit Media Independent Interface CTL register
158 */
159#define	GMI_DATA		0xffff0000
160#define	GMI_DATA_SHIFT		16
161#define	GMI_REG			0x0000f800
162#define	GMI_REG_SHIFT		11
163#define	GMI_PHY			0x000007c0
164#define	GMI_PHY_SHIFT		6
165#define	GMI_OP_WR		0x00000020
166#define	GMI_OP_RD		0x00000000
167#define	GMI_REQ			0x00000010
168#define	GMI_MDIO		0x00000008
169#define	GMI_MDDIR		0x00000004
170#define	GMI_MDC			0x00000002
171#define	GMI_MDEN		0x00000001
172
173/* Tx descriptor command bits. */
174#define	TDC_OWN			0x80000000
175#define	TDC_INTR		0x40000000
176#define	TDC_THOL3		0x30000000
177#define	TDC_THOL2		0x20000000
178#define	TDC_THOL1		0x10000000
179#define	TDC_THOL0		0x00000000
180#define	TDC_LS			0x08000000
181#define	TDC_IP_CSUM		0x04000000
182#define	TDC_TCP_CSUM		0x02000000
183#define	TDC_UDP_CSUM		0x01000000
184#define	TDC_BST			0x00800000
185#define	TDC_EXT			0x00400000
186#define	TDC_DEF			0x00200000
187#define	TDC_BKF			0x00100000
188#define	TDC_CRS			0x00080000
189#define	TDC_COL			0x00040000
190#define	TDC_CRC			0x00020000
191#define	TDC_PAD			0x00010000
192#define	TDC_VLAN_MASK		0x0000FFFF
193
194#define	SGE_TX_INTR_FRAMES	32
195
196/*
197 * TX descriptor status bits.
198 */
199#define	TDS_INS_VLAN		0x80000000
200#define	TDS_OWC			0x00080000
201#define	TDS_ABT			0x00040000
202#define	TDS_FIFO		0x00020000
203#define	TDS_CRS			0x00010000
204#define	TDS_COLLS		0x0000ffff
205#define	SGE_TX_ERROR(x)		((x) & (TDS_OWC | TDS_ABT | TDS_FIFO | TDS_CRS))
206#define	TX_ERR_BITS		"\20"				\
207				"\21CRS\22FIFO\23ABT\24OWC"
208
209/* Rx descriptor command bits. */
210#define	RDC_OWN			0x80000000
211#define	RDC_INTR		0x40000000
212#define	RDC_IP_CSUM		0x20000000
213#define	RDC_TCP_CSUM		0x10000000
214#define	RDC_UDP_CSUM		0x08000000
215#define	RDC_IP_CSUM_OK		0x04000000
216#define	RDC_TCP_CSUM_OK		0x02000000
217#define	RDC_UDP_CSUM_OK		0x01000000
218#define	RDC_WAKEUP		0x00400000
219#define	RDC_MAGIC		0x00200000
220#define	RDC_PAUSE		0x00100000
221#define	RDC_BCAST		0x000c0000
222#define	RDC_MCAST		0x00080000
223#define	RDC_UCAST		0x00040000
224#define	RDC_CRCOFF		0x00020000
225#define	RDC_PREADD		0x00010000
226#define	RDC_VLAN_MASK		0x0000FFFF
227
228/*
229 * RX descriptor status bits
230 */
231#define	RDS_VLAN		0x80000000
232#define	RDS_DESCS		0x3f000000
233#define	RDS_ABORT		0x00800000
234#define	RDS_SHORT		0x00400000
235#define	RDS_LIMIT		0x00200000
236#define	RDS_MIIER		0x00100000
237#define	RDS_OVRUN		0x00080000
238#define	RDS_NIBON		0x00040000
239#define	RDS_COLON		0x00020000
240#define	RDS_CRCOK		0x00010000
241#define	SGE_RX_ERROR(x)							\
242        ((x) & (RDS_COLON | RDS_NIBON | RDS_OVRUN | RDS_MIIER |		\
243	RDS_LIMIT | RDS_SHORT | RDS_ABORT))
244#define	SGE_RX_NSEGS(x)		(((x) & RDS_DESCS) >> 24)
245#define	RX_ERR_BITS 		"\20"					\
246				"\21CRCOK\22COLON\23NIBON\24OVRUN"	\
247				"\25MIIER\26LIMIT\27SHORT\30ABORT"	\
248				"\40VLAN"
249
250#define	RING_END		0x80000000
251#define	SGE_RX_BYTES(x)		((x) & 0xFFFF)
252#define	SGE_INC(x, y)		(x) = (((x) + 1) % y)
253
254/* Taken from Solaris driver */
255#define	EI_DATA			0xffff0000
256#define	EI_DATA_SHIFT		16
257#define	EI_OFFSET		0x0000fc00
258#define	EI_OFFSET_SHIFT		10
259#define	EI_OP			0x00000300
260#define	EI_OP_SHIFT		8
261#define	EI_OP_RD		(2 << EI_OP_SHIFT)
262#define	EI_OP_WR		(1 << EI_OP_SHIFT)
263#define	EI_REQ			0x00000080
264#define	EI_DO			0x00000008
265#define	EI_DI			0x00000004
266#define	EI_CLK			0x00000002
267#define	EI_CS			0x00000001
268
269/*
270 * EEPROM Addresses
271 */
272#define	EEPROMSignature		0x00
273#define	EEPROMCLK		0x01
274#define	EEPROMInfo		0x02
275#define	EEPROMMACAddr		0x03
276
277struct sge_desc {
278	uint32_t	sge_sts_size;
279	uint32_t	sge_cmdsts;
280	uint32_t	sge_ptr;
281	uint32_t	sge_flags;
282};
283
284#define	SGE_RX_RING_CNT		256 /* [8, 1024] */
285#define	SGE_TX_RING_CNT		256 /* [8, 8192] */
286#define	SGE_DESC_ALIGN		16
287#define	SGE_MAXTXSEGS		35
288#define	SGE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
289#define	SGE_TSO_MAXSEGSIZE	4096
290#define	SGE_RX_BUF_ALIGN	sizeof(uint64_t)
291
292#define	SGE_RX_RING_SZ		(SGE_RX_RING_CNT * sizeof(struct sge_desc))
293#define	SGE_TX_RING_SZ		(SGE_TX_RING_CNT * sizeof(struct sge_desc))
294#define	SGE_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
295
296struct sge_list_data {
297	struct sge_desc		*sge_rx_ring;
298	struct sge_desc		*sge_tx_ring;
299	/* physical bus addresses of sge_rx_ring/sge_tx_ring */
300	bus_addr_t		sge_rx_paddr;
301	bus_addr_t		sge_tx_paddr;
302};
303
304struct sge_txdesc {
305	struct mbuf		*tx_m;
306	bus_dmamap_t		tx_dmamap;
307	int			tx_ndesc;
308};
309
310struct sge_rxdesc {
311	struct mbuf		*rx_m;
312	bus_dmamap_t		rx_dmamap;
313};
314
315struct sge_chain_data {
316	bus_dma_tag_t		sge_tag;
317	bus_dma_tag_t		sge_rx_tag;
318	bus_dma_tag_t		sge_tx_tag;
319	bus_dmamap_t		sge_rx_dmamap;
320	bus_dmamap_t		sge_tx_dmamap;
321	bus_dma_tag_t		sge_txmbuf_tag;
322	bus_dma_tag_t		sge_rxmbuf_tag;
323	struct sge_txdesc	sge_txdesc[SGE_TX_RING_CNT];
324	struct sge_rxdesc	sge_rxdesc[SGE_RX_RING_CNT];
325	bus_dmamap_t		sge_rx_spare_map;
326	int			sge_rx_cons;
327	int			sge_tx_prod;
328	int			sge_tx_cons;
329	int			sge_tx_cnt;
330};
331
332struct sge_type {
333	uint16_t		sge_vid;
334	uint16_t		sge_did;
335	char			*sge_name;
336};
337
338struct sge_softc {
339	struct ifnet		*sge_ifp;	/* interface info */
340	struct resource		*sge_res;
341	int			sge_res_id;
342	int			sge_res_type;
343	struct resource		*sge_irq;
344	void			*sge_intrhand;
345	device_t		sge_dev;
346	device_t		sge_miibus;
347	uint8_t			sge_rev;
348	struct sge_list_data	sge_ldata;
349	struct sge_chain_data	sge_cdata;
350	struct callout		sge_stat_ch;
351	int			sge_timer;
352	int			sge_flags;
353#define	SGE_FLAG_FASTETHER	0x0001
354#define	SGE_FLAG_SIS190		0x0002
355#define	SGE_FLAG_RGMII		0x0010
356#define	SGE_FLAG_SPEED_1000	0x2000
357#define	SGE_FLAG_FDX		0x4000
358#define	SGE_FLAG_LINK		0x8000
359	int			sge_if_flags;
360	int			sge_intrcontrol;
361	int			sge_intrtimer;
362	struct mtx		sge_mtx;
363};
364
365#define	SGE_LOCK(_sc)		mtx_lock(&(_sc)->sge_mtx)
366#define	SGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->sge_mtx)
367#define	SGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sge_mtx, MA_OWNED)
368
369#define	SGE_TIMEOUT		1000
370
371#endif /* _IF_SGEREG_H */
372