xref: /illumos-gate/usr/src/uts/common/io/xge/drv/xge_osdep.h (revision 75d94465dbafa487b716482dc36d5150a4ec9853)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  *  Copyright (c) 2002-2005 Neterion, Inc.
29  *  All right Reserved.
30  *
31  *  FileName :    xge_osdep.h
32  *
33  *  Description:  OSPAL - Solaris
34  *
35  */
36 
37 #ifndef _SYS_XGE_OSDEP_H
38 #define	_SYS_XGE_OSDEP_H
39 
40 #include <sys/ddi.h>
41 #include <sys/sunddi.h>
42 #include <sys/varargs.h>
43 #include <sys/atomic.h>
44 #include <sys/policy.h>
45 #include <sys/int_fmtio.h>
46 #include <sys/thread.h>
47 #include <sys/cpuvar.h>
48 
49 #include <inet/common.h>
50 #include <inet/ip.h>
51 #include <inet/mi.h>
52 #include <inet/nd.h>
53 
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57 
58 /* ------------------------- includes and defines ------------------------- */
59 
60 #define	XGE_HAL_TX_MULTI_POST_IRQ	1
61 #define	XGE_HAL_TX_MULTI_RESERVE_IRQ	1
62 #define	XGE_HAL_TX_MULTI_FREE_IRQ	1
63 #define	XGE_HAL_DMA_DTR_CONSISTENT	1
64 #define	XGE_HAL_DMA_STATS_STREAMING	1
65 
66 #if defined(__sparc)
67 #define	XGE_OS_DMA_REQUIRES_SYNC	1
68 #endif
69 
70 #define	XGE_HAL_ALIGN_XMIT		1
71 
72 #ifdef _BIG_ENDIAN
73 #define	XGE_OS_HOST_BIG_ENDIAN		1
74 #else
75 #define	XGE_OS_HOST_LITTLE_ENDIAN	1
76 #endif
77 
78 #if defined(__sparc)
79 #define	XGE_OS_HOST_PAGE_SIZE		8192
80 #else
81 #define	XGE_OS_HOST_PAGE_SIZE		4096
82 #endif
83 
84 #if defined(_LP64)
85 #define	XGE_OS_PLATFORM_64BIT		1
86 #else
87 #define	XGE_OS_PLATFORM_32BIT		1
88 #endif
89 
90 #define	XGE_OS_HAS_SNPRINTF		1
91 
92 /* LRO defines */
93 #define	XGE_LL_IP_FAST_CSUM(hdr, len)	0 /* ip_ocsum(hdr, len>>1, 0); */
94 
95 /* ---------------------- fixed size primitive types ----------------------- */
96 
97 #define	u8			uint8_t
98 #define	u16			uint16_t
99 #define	u32			uint32_t
100 #define	u64			uint64_t
101 typedef	u64			dma_addr_t;
102 #define	ulong_t			ulong_t
103 #define	ptrdiff_t		ptrdiff_t
104 typedef	kmutex_t		spinlock_t;
105 typedef dev_info_t		*pci_dev_h;
106 typedef ddi_acc_handle_t	pci_reg_h;
107 typedef ddi_acc_handle_t	pci_cfg_h;
108 typedef uint_t			pci_irq_h;
109 typedef ddi_dma_handle_t	pci_dma_h;
110 typedef ddi_acc_handle_t	pci_dma_acc_h;
111 
112 /* LRO types */
113 #define	OS_NETSTACK_BUF		mblk_t *
114 #define	OS_LL_HEADER		uint8_t *
115 #define	OS_IP_HEADER		uint8_t *
116 #define	OS_TL_HEADER		uint8_t *
117 
118 /* -------------------------- "libc" functionality ------------------------- */
119 
120 #define	xge_os_strlcpy			(void) strlcpy
121 #define	xge_os_strlen			strlen
122 #define	xge_os_snprintf			snprintf
123 #define	xge_os_memzero(addr, size)	bzero(addr, size)
124 #define	xge_os_memcpy(dst, src, size)	bcopy(src, dst, size)
125 #define	xge_os_memcmp(src1, src2, size)	bcmp(src1, src2, size)
126 #define	xge_os_ntohl			ntohl
127 #define	xge_os_htons			htons
128 #define	xge_os_ntohs			ntohs
129 
130 #ifdef __GNUC__
131 #define	xge_os_printf(fmt...)		cmn_err(CE_CONT, fmt)
132 #define	xge_os_sprintf(buf, fmt...)	strlen(sprintf(buf, fmt))
133 #else
134 #define	xge_os_vaprintf(fmt) { \
135 	va_list va; \
136 	va_start(va, fmt); \
137 	vcmn_err(CE_CONT, fmt, va); \
138 	va_end(va); \
139 }
140 
xge_os_printf(char * fmt,...)141 static inline void xge_os_printf(char *fmt, ...) {
142 	xge_os_vaprintf(fmt);
143 }
144 
145 #define	xge_os_vasprintf(buf, fmt) { \
146 	va_list va; \
147 	va_start(va, fmt); \
148 	(void) vsprintf(buf, fmt, va); \
149 	va_end(va); \
150 }
151 
xge_os_sprintf(char * buf,char * fmt,...)152 static inline int xge_os_sprintf(char *buf, char *fmt, ...) {
153 	xge_os_vasprintf(buf, fmt);
154 	return (strlen(buf));
155 }
156 #endif
157 
158 #define	xge_os_timestamp(buf) { \
159 	todinfo_t todinfo = utc_to_tod(ddi_get_time()); \
160 	(void) xge_os_sprintf(buf, "%02d/%02d/%02d.%02d:%02d:%02d: ", \
161 	    todinfo.tod_day, todinfo.tod_month, \
162 	    (1970 + todinfo.tod_year - 70), \
163 	    todinfo.tod_hour, todinfo.tod_min, todinfo.tod_sec); \
164 }
165 
166 #define	xge_os_println			xge_os_printf
167 
168 /* -------------------- synchronization primitives ------------------------- */
169 
170 #define	xge_os_spin_lock_init(lockp, ctxh) \
171 	mutex_init(lockp, NULL, MUTEX_DRIVER, NULL)
172 #define	xge_os_spin_lock_init_irq(lockp, irqh) \
173 	mutex_init(lockp, NULL, MUTEX_DRIVER, DDI_INTR_PRI(irqh))
174 #define	xge_os_spin_lock_destroy(lockp, cthx) \
175 	(cthx = cthx, mutex_destroy(lockp))
176 #define	xge_os_spin_lock_destroy_irq(lockp, cthx) \
177 	(cthx = cthx, mutex_destroy(lockp))
178 #define	xge_os_spin_lock(lockp)			mutex_enter(lockp)
179 #define	xge_os_spin_unlock(lockp)		mutex_exit(lockp)
180 #define	xge_os_spin_lock_irq(lockp, flags) (flags = flags, mutex_enter(lockp))
181 #define	xge_os_spin_unlock_irq(lockp, flags)	mutex_exit(lockp)
182 
183 /* x86 arch will never re-order writes, Sparc can */
184 #define	xge_os_wmb()				membar_producer()
185 
186 #define	xge_os_udelay(us)			drv_usecwait(us)
187 #define	xge_os_mdelay(ms)			drv_usecwait(ms * 1000)
188 
189 #define	xge_os_cmpxchg(targetp, cmp, newval)		\
190 	sizeof (*(targetp)) == 4 ?			\
191 	atomic_cas_32((uint32_t *)targetp, cmp, newval) :	\
192 	atomic_cas_64((uint64_t *)targetp, cmp, newval)
193 
194 /* ------------------------- misc primitives ------------------------------- */
195 
196 #define	xge_os_unlikely(x)		(x)
197 #define	xge_os_prefetch(a)		(a = a)
198 #define	xge_os_prefetchw
199 #ifdef __GNUC__
200 #define	xge_os_bug(fmt...)		cmn_err(CE_PANIC, fmt)
201 #else
xge_os_bug(char * fmt,...)202 static inline void xge_os_bug(char *fmt, ...) {
203 	va_list ap;
204 
205 	va_start(ap, fmt);
206 	vcmn_err(CE_PANIC, fmt, ap);
207 	va_end(ap);
208 }
209 #endif
210 
211 /* -------------------------- compiler stuffs ------------------------------ */
212 
213 #if defined(__i386)
214 #define	__xge_os_cacheline_size		64 /* L1-cache line size: x86_64 */
215 #else
216 #define	__xge_os_cacheline_size		64 /* L1-cache line size: sparcv9 */
217 #endif
218 
219 #ifdef __GNUC__
220 #define	__xge_os_attr_cacheline_aligned	\
221 	__attribute__((__aligned__(__xge_os_cacheline_size)))
222 #else
223 #define	__xge_os_attr_cacheline_aligned
224 #endif
225 
226 /* ---------------------- memory primitives -------------------------------- */
227 
__xge_os_malloc(pci_dev_h pdev,unsigned long size,char * file,int line)228 static inline void *__xge_os_malloc(pci_dev_h pdev, unsigned long size,
229     char *file, int line)
230 {
231 	void *vaddr = kmem_alloc(size, KM_SLEEP);
232 
233 	XGE_OS_MEMORY_CHECK_MALLOC(vaddr, size, file, line);
234 	return (vaddr);
235 }
236 
xge_os_free(pci_dev_h pdev,const void * vaddr,unsigned long size)237 static inline void xge_os_free(pci_dev_h pdev, const void *vaddr,
238     unsigned long size)
239 {
240 	XGE_OS_MEMORY_CHECK_FREE(vaddr, size);
241 	kmem_free((void*)vaddr, size);
242 }
243 
244 #define	xge_os_malloc(pdev, size) \
245 	__xge_os_malloc(pdev, size, __FILE__, __LINE__)
246 
__xge_os_dma_malloc(pci_dev_h pdev,unsigned long size,int dma_flags,pci_dma_h * p_dmah,pci_dma_acc_h * p_dma_acch,char * file,int line)247 static inline void *__xge_os_dma_malloc(pci_dev_h pdev, unsigned long size,
248     int dma_flags, pci_dma_h *p_dmah, pci_dma_acc_h *p_dma_acch, char *file,
249     int line)
250 {
251 	void *vaddr;
252 	int ret;
253 	size_t real_size;
254 	extern ddi_device_acc_attr_t *p_xge_dev_attr;
255 	extern struct ddi_dma_attr *p_hal_dma_attr;
256 
257 	ret = ddi_dma_alloc_handle(pdev, p_hal_dma_attr,
258 	    DDI_DMA_DONTWAIT, 0, p_dmah);
259 	if (ret != DDI_SUCCESS) {
260 		return (NULL);
261 	}
262 
263 	ret = ddi_dma_mem_alloc(*p_dmah, size, p_xge_dev_attr,
264 	    (dma_flags & XGE_OS_DMA_CONSISTENT ?
265 	    DDI_DMA_CONSISTENT : DDI_DMA_STREAMING), DDI_DMA_DONTWAIT, 0,
266 	    (caddr_t *)&vaddr, &real_size, p_dma_acch);
267 	if (ret != DDI_SUCCESS) {
268 		ddi_dma_free_handle(p_dmah);
269 		return (NULL);
270 	}
271 
272 	if (size > real_size) {
273 		ddi_dma_mem_free(p_dma_acch);
274 		ddi_dma_free_handle(p_dmah);
275 		return (NULL);
276 	}
277 
278 	XGE_OS_MEMORY_CHECK_MALLOC(vaddr, size, file, line);
279 
280 	return (vaddr);
281 }
282 
283 #define	xge_os_dma_malloc(pdev, size, dma_flags, p_dmah, p_dma_acch) \
284 	__xge_os_dma_malloc(pdev, size, dma_flags, p_dmah, p_dma_acch, \
285 	    __FILE__, __LINE__)
286 
xge_os_dma_free(pci_dev_h pdev,const void * vaddr,int size,pci_dma_acc_h * p_dma_acch,pci_dma_h * p_dmah)287 static inline void xge_os_dma_free(pci_dev_h pdev, const void *vaddr, int size,
288     pci_dma_acc_h *p_dma_acch, pci_dma_h *p_dmah)
289 {
290 	XGE_OS_MEMORY_CHECK_FREE(vaddr, 0);
291 	ddi_dma_mem_free(p_dma_acch);
292 	ddi_dma_free_handle(p_dmah);
293 }
294 
295 
296 /* --------------------------- pci primitives ------------------------------ */
297 
298 #define	xge_os_pci_read8(pdev, cfgh, where, val)	\
299 	(*(val) = pci_config_get8(cfgh, where))
300 
301 #define	xge_os_pci_write8(pdev, cfgh, where, val)	\
302 	pci_config_put8(cfgh, where, val)
303 
304 #define	xge_os_pci_read16(pdev, cfgh, where, val)	\
305 	(*(val) = pci_config_get16(cfgh, where))
306 
307 #define	xge_os_pci_write16(pdev, cfgh, where, val)	\
308 	pci_config_put16(cfgh, where, val)
309 
310 #define	xge_os_pci_read32(pdev, cfgh, where, val)	\
311 	(*(val) = pci_config_get32(cfgh, where))
312 
313 #define	xge_os_pci_write32(pdev, cfgh, where, val)	\
314 	pci_config_put32(cfgh, where, val)
315 
316 /* --------------------------- io primitives ------------------------------- */
317 
318 #define	xge_os_pio_mem_read8(pdev, regh, addr)		\
319 	(ddi_get8(regh, (uint8_t *)(addr)))
320 
321 #define	xge_os_pio_mem_write8(pdev, regh, val, addr)	\
322 	(ddi_put8(regh, (uint8_t *)(addr), val))
323 
324 #define	xge_os_pio_mem_read16(pdev, regh, addr)		\
325 	(ddi_get16(regh, (uint16_t *)(addr)))
326 
327 #define	xge_os_pio_mem_write16(pdev, regh, val, addr)	\
328 	(ddi_put16(regh, (uint16_t *)(addr), val))
329 
330 #define	xge_os_pio_mem_read32(pdev, regh, addr)		\
331 	(ddi_get32(regh, (uint32_t *)(addr)))
332 
333 #define	xge_os_pio_mem_write32(pdev, regh, val, addr)	\
334 	(ddi_put32(regh, (uint32_t *)(addr), val))
335 
336 #define	xge_os_pio_mem_read64(pdev, regh, addr)		\
337 	(ddi_get64(regh, (uint64_t *)(addr)))
338 
339 #define	xge_os_pio_mem_write64(pdev, regh, val, addr)	\
340 	(ddi_put64(regh, (uint64_t *)(addr), val))
341 
342 #define	xge_os_flush_bridge xge_os_pio_mem_read64
343 
344 /* --------------------------- dma primitives ----------------------------- */
345 
346 #define	XGE_OS_DMA_DIR_TODEVICE		DDI_DMA_SYNC_FORDEV
347 #define	XGE_OS_DMA_DIR_FROMDEVICE	DDI_DMA_SYNC_FORKERNEL
348 #define	XGE_OS_DMA_DIR_BIDIRECTIONAL	-1
349 #if defined(__x86)
350 #define	XGE_OS_DMA_USES_IOMMU		0
351 #else
352 #define	XGE_OS_DMA_USES_IOMMU		1
353 #endif
354 
355 #define	XGE_OS_INVALID_DMA_ADDR		((dma_addr_t)0)
356 
xge_os_dma_map(pci_dev_h pdev,pci_dma_h dmah,void * vaddr,size_t size,int dir,int dma_flags)357 static inline dma_addr_t xge_os_dma_map(pci_dev_h pdev, pci_dma_h dmah,
358     void *vaddr, size_t size, int dir, int dma_flags) {
359 	int ret;
360 	uint_t flags;
361 	uint_t ncookies;
362 	ddi_dma_cookie_t dma_cookie;
363 
364 	switch (dir) {
365 	case XGE_OS_DMA_DIR_TODEVICE:
366 		flags = DDI_DMA_WRITE;
367 		break;
368 	case XGE_OS_DMA_DIR_FROMDEVICE:
369 		flags = DDI_DMA_READ;
370 		break;
371 	case XGE_OS_DMA_DIR_BIDIRECTIONAL:
372 		flags = DDI_DMA_RDWR;
373 		break;
374 	default:
375 		return (0);
376 	}
377 
378 	flags |= (dma_flags & XGE_OS_DMA_CONSISTENT) ?
379 	    DDI_DMA_CONSISTENT : DDI_DMA_STREAMING;
380 
381 	ret = ddi_dma_addr_bind_handle(dmah, NULL, vaddr, size, flags,
382 	    DDI_DMA_SLEEP, 0, &dma_cookie, &ncookies);
383 	if (ret != DDI_SUCCESS) {
384 		return (0);
385 	}
386 
387 	if (ncookies != 1 || dma_cookie.dmac_size < size) {
388 		(void) ddi_dma_unbind_handle(dmah);
389 		return (0);
390 	}
391 
392 	return (dma_cookie.dmac_laddress);
393 }
394 
xge_os_dma_unmap(pci_dev_h pdev,pci_dma_h dmah,dma_addr_t dma_addr,size_t size,int dir)395 static inline void xge_os_dma_unmap(pci_dev_h pdev, pci_dma_h dmah,
396     dma_addr_t dma_addr, size_t size, int dir)
397 {
398 	(void) ddi_dma_unbind_handle(dmah);
399 }
400 
xge_os_dma_sync(pci_dev_h pdev,pci_dma_h dmah,dma_addr_t dma_addr,u64 dma_offset,size_t length,int dir)401 static inline void xge_os_dma_sync(pci_dev_h pdev, pci_dma_h dmah,
402     dma_addr_t dma_addr, u64 dma_offset, size_t length, int dir)
403 {
404 	(void) ddi_dma_sync(dmah, dma_offset, length, dir);
405 }
406 
407 #ifdef __cplusplus
408 }
409 #endif
410 
411 #endif /* _SYS_XGE_OSDEP_H */
412