cxgb_osdep.h revision 169978 
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. Neither the name of the Chelsio Corporation nor the names of its
13    contributors may be used to endorse or promote products derived from
14    this software without specific prior written permission.
15
16THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
28
29$FreeBSD: head/sys/dev/cxgb/cxgb_osdep.h 169978 2007-05-25 09:48:20Z kmacy $
30
31***************************************************************************/
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/ctype.h>
36#include <sys/endian.h>
37#include <sys/bus.h>
38
39#include <dev/mii/mii.h>
40
41#include <dev/cxgb/common/cxgb_version.h>
42#include <dev/cxgb/cxgb_config.h>
43
44#ifndef _CXGB_OSDEP_H_
45#define _CXGB_OSDEP_H_
46
47typedef struct adapter adapter_t;
48struct sge_rspq;
49
50#define PANIC_IF(exp) do {                  \
51	if (exp)                            \
52		panic("BUG: %s", exp);      \
53} while (0)
54
55
56#define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
57#define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)(pri))
58
59#if __FreeBSD_version > 700030
60#define INTR_FILTERS
61#define FIRMWARE_LATEST
62#endif
63
64#if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
65#define FIRMWARE_LATEST
66#endif
67
68#if __FreeBSD_version > 700000
69#define MSI_SUPPORTED
70#define TSO_SUPPORTED
71#define VLAN_SUPPORTED
72#define TASKQUEUE_CURRENT
73#endif
74
75#define __read_mostly __attribute__((__section__(".data.read_mostly")))
76
77/*
78 * Workaround for weird Chelsio issue
79 */
80#if __FreeBSD_version > 700029
81#define PRIV_SUPPORTED
82#endif
83
84#define CXGB_TX_CLEANUP_THRESHOLD        32
85
86#define LOG_WARNING                       1
87#define LOG_ERR                           2
88
89#ifdef DEBUG_PRINT
90#define DPRINTF printf
91#else
92#define DPRINTF(...)
93#endif
94
95#define TX_MAX_SIZE                (1 << 16)    /* 64KB                          */
96#define TX_MAX_SEGS                      36     /* maximum supported by card     */
97#define TX_MAX_DESC                       4     /* max descriptors per packet    */
98#define TX_START_MAX_DESC (TX_MAX_DESC << 1)    /* maximum number of descriptors
99						 * call to start used per 	 */
100#define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 2)    /* maximum tx descriptors
101						 * to clean per iteration        */
102
103
104#if defined(__i386__) || defined(__amd64__)
105#define mb()    __asm volatile("mfence":::"memory")
106#define rmb()   __asm volatile("lfence":::"memory")
107#define wmb()   __asm volatile("sfence" ::: "memory")
108#define smp_mb() mb()
109
110#define L1_CACHE_BYTES 32
111static __inline
112void prefetch(void *x)
113{
114        __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
115}
116
117extern void kdb_backtrace(void);
118
119#define WARN_ON(condition) do { \
120        if (unlikely((condition)!=0)) { \
121                log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
122                kdb_backtrace(); \
123        } \
124} while (0)
125
126
127#else /* !i386 && !amd64 */
128#define mb()
129#define rmb()
130#define wmb()
131#define smp_mb()
132#define prefetch(x)
133#define L1_CACHE_BYTES 32
134#endif
135#define DBG_RX          (1 << 0)
136static const int debug_flags = DBG_RX;
137
138#ifdef DEBUG_PRINT
139#define DBG(flag, msg) do {	\
140	if ((flag & debug_flags))	\
141		printf msg; \
142} while (0)
143#else
144#define DBG(...)
145#endif
146
147#define promisc_rx_mode(rm)  ((rm)->port->ifp->if_flags & IFF_PROMISC)
148#define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
149
150#define CH_ERR(adap, fmt, ...)device_printf(adap->dev, fmt, ##__VA_ARGS__);
151
152#define CH_WARN(adap, fmt, ...)	device_printf(adap->dev, fmt, ##__VA_ARGS__)
153#define CH_ALERT(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__)
154
155#define t3_os_sleep(x) DELAY((x) * 1000)
156
157#define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | bit), ((*(p)) & ~bit))
158
159
160#define max_t(type, a, b) (type)max((a), (b))
161#define net_device ifnet
162
163
164
165/* Standard PHY definitions */
166#define BMCR_LOOPBACK		BMCR_LOOP
167#define BMCR_ISOLATE		BMCR_ISO
168#define BMCR_ANENABLE		BMCR_AUTOEN
169#define BMCR_SPEED1000		BMCR_SPEED1
170#define BMCR_SPEED100		BMCR_SPEED0
171#define BMCR_ANRESTART		BMCR_STARTNEG
172#define BMCR_FULLDPLX		BMCR_FDX
173#define BMSR_LSTATUS		BMSR_LINK
174#define BMSR_ANEGCOMPLETE	BMSR_ACOMP
175
176#define MII_LPA			MII_ANLPAR
177#define MII_ADVERTISE		MII_ANAR
178#define MII_CTRL1000		MII_100T2CR
179
180#define ADVERTISE_PAUSE_CAP	ANAR_FC
181#define ADVERTISE_PAUSE_ASYM	0x0800
182#define ADVERTISE_1000HALF	ANAR_X_HD
183#define ADVERTISE_1000FULL	ANAR_X_FD
184#define ADVERTISE_10FULL	ANAR_10_FD
185#define ADVERTISE_10HALF	ANAR_10
186#define ADVERTISE_100FULL	ANAR_TX_FD
187#define ADVERTISE_100HALF	ANAR_TX
188
189/* Standard PCI Extended Capaibilities definitions */
190#define PCI_CAP_ID_VPD	0x03
191#define PCI_VPD_ADDR	2
192#define PCI_VPD_ADDR_F	0x8000
193#define PCI_VPD_DATA	4
194
195#define PCI_CAP_ID_EXP	0x10
196#define PCI_EXP_DEVCTL	8
197#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
198#define PCI_EXP_LNKCTL	16
199#define PCI_EXP_LNKSTA	18
200
201/*
202 * Linux compatibility macros
203 */
204
205/* Some simple translations */
206#define __devinit
207#define udelay(x) DELAY(x)
208#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
209#define le32_to_cpu(x) le32toh(x)
210#define cpu_to_le32(x) htole32(x)
211#define swab32(x) bswap32(x)
212#define simple_strtoul strtoul
213
214/* More types and endian definitions */
215typedef uint8_t u8;
216typedef uint16_t u16;
217typedef uint32_t u32;
218typedef uint64_t u64;
219
220typedef uint8_t	__u8;
221typedef uint16_t __u16;
222typedef uint32_t __u32;
223typedef uint8_t __be8;
224typedef uint16_t __be16;
225typedef uint32_t __be32;
226typedef uint64_t __be64;
227
228#if BYTE_ORDER == BIG_ENDIAN
229#define __BIG_ENDIAN_BITFIELD
230#elif BYTE_ORDER == LITTLE_ENDIAN
231#define __LITTLE_ENDIAN_BITFIELD
232#else
233#error "Must set BYTE_ORDER"
234#endif
235
236/* Indicates what features are supported by the interface. */
237#define SUPPORTED_10baseT_Half          (1 << 0)
238#define SUPPORTED_10baseT_Full          (1 << 1)
239#define SUPPORTED_100baseT_Half         (1 << 2)
240#define SUPPORTED_100baseT_Full         (1 << 3)
241#define SUPPORTED_1000baseT_Half        (1 << 4)
242#define SUPPORTED_1000baseT_Full        (1 << 5)
243#define SUPPORTED_Autoneg               (1 << 6)
244#define SUPPORTED_TP                    (1 << 7)
245#define SUPPORTED_AUI                   (1 << 8)
246#define SUPPORTED_MII                   (1 << 9)
247#define SUPPORTED_FIBRE                 (1 << 10)
248#define SUPPORTED_BNC                   (1 << 11)
249#define SUPPORTED_10000baseT_Full       (1 << 12)
250#define SUPPORTED_Pause                 (1 << 13)
251#define SUPPORTED_Asym_Pause            (1 << 14)
252
253/* Indicates what features are advertised by the interface. */
254#define ADVERTISED_10baseT_Half         (1 << 0)
255#define ADVERTISED_10baseT_Full         (1 << 1)
256#define ADVERTISED_100baseT_Half        (1 << 2)
257#define ADVERTISED_100baseT_Full        (1 << 3)
258#define ADVERTISED_1000baseT_Half       (1 << 4)
259#define ADVERTISED_1000baseT_Full       (1 << 5)
260#define ADVERTISED_Autoneg              (1 << 6)
261#define ADVERTISED_TP                   (1 << 7)
262#define ADVERTISED_AUI                  (1 << 8)
263#define ADVERTISED_MII                  (1 << 9)
264#define ADVERTISED_FIBRE                (1 << 10)
265#define ADVERTISED_BNC                  (1 << 11)
266#define ADVERTISED_10000baseT_Full      (1 << 12)
267#define ADVERTISED_Pause                (1 << 13)
268#define ADVERTISED_Asym_Pause           (1 << 14)
269
270/* Enable or disable autonegotiation.  If this is set to enable,
271 * the forced link modes above are completely ignored.
272 */
273#define AUTONEG_DISABLE         0x00
274#define AUTONEG_ENABLE          0x01
275
276#define SPEED_10		10
277#define SPEED_100		100
278#define SPEED_1000		1000
279#define SPEED_10000		10000
280#define DUPLEX_HALF		0
281#define DUPLEX_FULL		1
282
283#endif
284