cxgb_osdep.h revision 167526 
1/**************************************************************************
2
3Copyright (c) 2007, Chelsio Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10    this list of conditions and the following disclaimer.
11
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
16 3. Neither the name of the Chelsio Corporation nor the names of its
17    contributors may be used to endorse or promote products derived from
18    this software without specific prior written permission.
19
20THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30POSSIBILITY OF SUCH DAMAGE.
31
32
33$FreeBSD: head/sys/dev/cxgb/cxgb_osdep.h 167526 2007-03-14 06:35:38Z kmacy $
34
35***************************************************************************/
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/ctype.h>
40#include <sys/endian.h>
41#include <sys/bus.h>
42
43#include <dev/mii/mii.h>
44
45#include <dev/cxgb/common/cxgb_version.h>
46#include <dev/cxgb/cxgb_config.h>
47
48#ifndef _CXGB_OSDEP_H_
49#define _CXGB_OSDEP_H_
50
51typedef struct adapter adapter_t;
52
53struct sge_rspq;
54
55struct t3_mbuf_hdr {
56	struct mbuf *mh_head;
57	struct mbuf *mh_tail;
58};
59
60#if __FreeBSD_version > 700030
61#define INTR_FILTERS
62#define FIRMWARE_LATEST
63#endif
64
65#if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
66#define FIRMWARE_LATEST
67#endif
68
69#if __FreeBSD_version > 700000
70#define MSI_SUPPORTED
71#define TSO_SUPPORTED
72#define VLAN_SUPPORTED
73#define TASKQUEUE_CURRENT
74#endif
75
76/*
77 * Workaround for weird Chelsio issue
78 */
79#if __FreeBSD_version > 700029
80#define PRIV_SUPPORTED
81#endif
82
83#define CXGB_TX_CLEANUP_THRESHOLD 32
84
85
86#ifdef DEBUG_PRINT
87#define DPRINTF printf
88#else
89#define DPRINTF(...)
90#endif
91
92#define TX_MAX_SIZE                (1 << 16)    /* 64KB                          */
93#define TX_MAX_SEGS                      36     /* maximum supported by card     */
94#define TX_MAX_DESC                       4     /* max descriptors per packet    */
95#define TX_START_MAX_DESC (TX_MAX_DESC << 1)    /* maximum number of descriptors
96						 * call to start used per 	 */
97#define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 2)    /* maximum tx descriptors
98						 * to clean per iteration        */
99
100
101#if defined(__i386__) || defined(__amd64__)
102#define mb()    __asm volatile("mfence":::"memory")
103#define rmb()   __asm volatile("lfence":::"memory")
104#define wmb()   __asm volatile("sfence" ::: "memory")
105#define smp_mb() mb()
106
107#define USE_PREFETCH
108#ifdef USE_PREFETCH
109#define L1_CACHE_BYTES 64
110static __inline
111void prefetch(void *x)
112{
113        __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
114}
115#else
116#define prefetch(x)
117#endif
118
119#endif
120#define DBG_RX          (1 << 0)
121static const int debug_flags = DBG_RX;
122
123#ifdef DEBUG_PRINT
124#define DBG(flag, msg) do {	\
125	if ((flag & debug_flags))	\
126		printf msg; \
127} while (0)
128#else
129#define DBG(...)
130#endif
131
132#define promisc_rx_mode(rm)  ((rm)->port->ifp->if_flags & IFF_PROMISC)
133#define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
134
135#define CH_ERR(adap, fmt, ...)device_printf(adap->dev, fmt, ##__VA_ARGS__);
136
137#define CH_WARN(adap, fmt, ...)	device_printf(adap->dev, fmt, ##__VA_ARGS__)
138#define CH_ALERT(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__)
139
140#define t3_os_sleep(x) DELAY((x) * 1000)
141
142/* Standard PHY definitions */
143#define BMCR_LOOPBACK		BMCR_LOOP
144#define BMCR_ISOLATE		BMCR_ISO
145#define BMCR_ANENABLE		BMCR_AUTOEN
146#define BMCR_SPEED1000		BMCR_SPEED1
147#define BMCR_SPEED100		BMCR_SPEED0
148#define BMCR_ANRESTART		BMCR_STARTNEG
149#define BMCR_FULLDPLX		BMCR_FDX
150#define BMSR_LSTATUS		BMSR_LINK
151#define BMSR_ANEGCOMPLETE	BMSR_ACOMP
152
153#define MII_LPA			MII_ANLPAR
154#define MII_ADVERTISE		MII_ANAR
155#define MII_CTRL1000		MII_100T2CR
156
157#define ADVERTISE_PAUSE_CAP	ANAR_FC
158#define ADVERTISE_PAUSE_ASYM	0x0800
159#define ADVERTISE_1000HALF	ANAR_X_HD
160#define ADVERTISE_1000FULL	ANAR_X_FD
161#define ADVERTISE_10FULL	ANAR_10_FD
162#define ADVERTISE_10HALF	ANAR_10
163#define ADVERTISE_100FULL	ANAR_TX_FD
164#define ADVERTISE_100HALF	ANAR_TX
165
166/* Standard PCI Extended Capaibilities definitions */
167#define PCI_CAP_ID_VPD	0x03
168#define PCI_VPD_ADDR	2
169#define PCI_VPD_ADDR_F	0x8000
170#define PCI_VPD_DATA	4
171
172#define PCI_CAP_ID_EXP	0x10
173#define PCI_EXP_DEVCTL	8
174#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
175#define PCI_EXP_LNKCTL	16
176#define PCI_EXP_LNKSTA	18
177
178/*
179 * Linux compatibility macros
180 */
181
182/* Some simple translations */
183#define __devinit
184#define udelay(x) DELAY(x)
185#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
186#define le32_to_cpu(x) le32toh(x)
187#define cpu_to_le32(x) htole32(x)
188#define swab32(x) bswap32(x)
189#define simple_strtoul strtoul
190
191/* More types and endian definitions */
192typedef uint8_t u8;
193typedef uint16_t u16;
194typedef uint32_t u32;
195typedef uint64_t u64;
196
197typedef uint8_t	__u8;
198typedef uint16_t __u16;
199typedef uint32_t __u32;
200typedef uint8_t __be8;
201typedef uint16_t __be16;
202typedef uint32_t __be32;
203typedef uint64_t __be64;
204
205#if BYTE_ORDER == BIG_ENDIAN
206#define __BIG_ENDIAN_BITFIELD
207#elif BYTE_ORDER == LITTLE_ENDIAN
208#define __LITTLE_ENDIAN_BITFIELD
209#else
210#error "Must set BYTE_ORDER"
211#endif
212
213/* Indicates what features are supported by the interface. */
214#define SUPPORTED_10baseT_Half          (1 << 0)
215#define SUPPORTED_10baseT_Full          (1 << 1)
216#define SUPPORTED_100baseT_Half         (1 << 2)
217#define SUPPORTED_100baseT_Full         (1 << 3)
218#define SUPPORTED_1000baseT_Half        (1 << 4)
219#define SUPPORTED_1000baseT_Full        (1 << 5)
220#define SUPPORTED_Autoneg               (1 << 6)
221#define SUPPORTED_TP                    (1 << 7)
222#define SUPPORTED_AUI                   (1 << 8)
223#define SUPPORTED_MII                   (1 << 9)
224#define SUPPORTED_FIBRE                 (1 << 10)
225#define SUPPORTED_BNC                   (1 << 11)
226#define SUPPORTED_10000baseT_Full       (1 << 12)
227#define SUPPORTED_Pause                 (1 << 13)
228#define SUPPORTED_Asym_Pause            (1 << 14)
229
230/* Indicates what features are advertised by the interface. */
231#define ADVERTISED_10baseT_Half         (1 << 0)
232#define ADVERTISED_10baseT_Full         (1 << 1)
233#define ADVERTISED_100baseT_Half        (1 << 2)
234#define ADVERTISED_100baseT_Full        (1 << 3)
235#define ADVERTISED_1000baseT_Half       (1 << 4)
236#define ADVERTISED_1000baseT_Full       (1 << 5)
237#define ADVERTISED_Autoneg              (1 << 6)
238#define ADVERTISED_TP                   (1 << 7)
239#define ADVERTISED_AUI                  (1 << 8)
240#define ADVERTISED_MII                  (1 << 9)
241#define ADVERTISED_FIBRE                (1 << 10)
242#define ADVERTISED_BNC                  (1 << 11)
243#define ADVERTISED_10000baseT_Full      (1 << 12)
244#define ADVERTISED_Pause                (1 << 13)
245#define ADVERTISED_Asym_Pause           (1 << 14)
246
247/* Enable or disable autonegotiation.  If this is set to enable,
248 * the forced link modes above are completely ignored.
249 */
250#define AUTONEG_DISABLE         0x00
251#define AUTONEG_ENABLE          0x01
252
253#define SPEED_10		10
254#define SPEED_100		100
255#define SPEED_1000		1000
256#define SPEED_10000		10000
257#define DUPLEX_HALF		0
258#define DUPLEX_FULL		1
259
260#endif
261