xref: /illumos-gate/usr/src/uts/common/io/xge/drv/xge_osdep.h (revision 7f7322febbcfe774b7270abc3b191c094bfcc517)
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 2006 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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 #include <sys/ddi.h>
43 #include <sys/sunddi.h>
44 #include <sys/varargs.h>
45 #include <sys/atomic.h>
46 #include <sys/policy.h>
47 #include <sys/int_fmtio.h>
48 #include <sys/thread.h>
49 #include <sys/cpuvar.h>
50 
51 #include <inet/common.h>
52 #include <inet/ip.h>
53 #include <inet/mi.h>
54 #include <inet/nd.h>
55 
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59 
60 /* ------------------------- includes and defines ------------------------- */
61 
62 #define	XGE_HAL_TX_MULTI_POST_IRQ	1
63 #define	XGE_HAL_TX_MULTI_RESERVE_IRQ	1
64 #define	XGE_HAL_TX_MULTI_FREE_IRQ	1
65 #define	XGE_HAL_RX_MULTI_FREE		1
66 #define	XGE_HAL_DMA_DTR_CONSISTENT	1
67 #define	XGE_HAL_DMA_STATS_STREAMING	1
68 
69 #if defined(__sparc)
70 #define	XGE_OS_DMA_REQUIRES_SYNC	1
71 #define	XGELL_TX_NOMAP_COPY		1
72 #define	XGE_HAL_ALIGN_XMIT		1
73 #endif
74 
75 #ifdef _BIG_ENDIAN
76 #define	XGE_OS_HOST_BIG_ENDIAN		1
77 #else
78 #define	XGE_OS_HOST_LITTLE_ENDIAN	1
79 #endif
80 
81 #if defined(_LP64)
82 #define	XGE_OS_PLATFORM_64BIT		1
83 #else
84 #define	XGE_OS_PLATFORM_32BIT		1
85 #endif
86 
87 #define	XGE_OS_HAS_SNPRINTF		1
88 
89 /* ---------------------- fixed size primitive types ----------------------- */
90 
91 #define	u8			uint8_t
92 #define	u16			uint16_t
93 #define	u32			uint32_t
94 #define	u64			uint64_t
95 typedef	u64			dma_addr_t;
96 #define	ulong_t			ulong_t
97 #define	ptrdiff_t		ptrdiff_t
98 typedef	kmutex_t		spinlock_t;
99 typedef dev_info_t		*pci_dev_h;
100 typedef ddi_acc_handle_t	pci_reg_h;
101 typedef ddi_acc_handle_t	pci_cfg_h;
102 typedef ddi_iblock_cookie_t	pci_irq_h;
103 typedef ddi_dma_handle_t	pci_dma_h;
104 typedef ddi_acc_handle_t	pci_dma_acc_h;
105 
106 /* -------------------------- "libc" functionality ------------------------- */
107 
108 #define	xge_os_strcpy			(void) strcpy
109 #define	xge_os_strlen			strlen
110 #define	xge_os_snprintf			snprintf
111 #define	xge_os_memzero(addr, size)	bzero(addr, size)
112 #define	xge_os_memcpy(dst, src, size)	bcopy(src, dst, size)
113 #define	xge_os_memcmp(src1, src2, size)	bcmp(src1, src2, size)
114 
115 #ifdef __GNUC__
116 #define	xge_os_printf(fmt...)		cmn_err(CE_CONT, fmt)
117 #define	xge_os_sprintf(buf, fmt...)	strlen(sprintf(buf, fmt))
118 #else
119 #define	xge_os_vaprintf(fmt) { \
120 	va_list va; \
121 	va_start(va, fmt); \
122 	vcmn_err(CE_CONT, fmt, va); \
123 	va_end(va); \
124 }
125 
126 static inline void xge_os_printf(char *fmt, ...) {
127 	xge_os_vaprintf(fmt);
128 }
129 
130 #define	xge_os_vasprintf(buf, fmt) { \
131 	va_list va; \
132 	va_start(va, fmt); \
133 	(void) vsprintf(buf, fmt, va); \
134 	va_end(va); \
135 }
136 
137 static inline int xge_os_sprintf(char *buf, char *fmt, ...) {
138 	xge_os_vasprintf(buf, fmt);
139 	return (strlen(buf));
140 }
141 #endif
142 
143 #define	xge_os_timestamp(buf) { \
144 	todinfo_t todinfo = utc_to_tod(ddi_get_time()); \
145 	(void) xge_os_sprintf(buf, "%2d/%2d/%2d.%2d:%2d:%2d: ", \
146 	    todinfo.tod_day, todinfo.tod_month, \
147 	    (1970 + todinfo.tod_year - 70), \
148 	    todinfo.tod_hour, todinfo.tod_min, todinfo.tod_sec); \
149 }
150 
151 #define	xge_os_println			xge_os_printf
152 
153 /* -------------------- synchronization primitives ------------------------- */
154 
155 #define	xge_os_spin_lock_init(lockp, ctxh) \
156 	mutex_init(lockp, NULL, MUTEX_DRIVER, NULL)
157 #define	xge_os_spin_lock_init_irq(lockp, irqh) \
158 	mutex_init(lockp, NULL, MUTEX_DRIVER, irqh)
159 #define	xge_os_spin_lock_destroy(lockp, cthx) \
160 	(cthx = cthx, mutex_destroy(lockp))
161 #define	xge_os_spin_lock_destroy_irq(lockp, cthx) \
162 	(cthx = cthx, mutex_destroy(lockp))
163 #define	xge_os_spin_lock(lockp)			mutex_enter(lockp)
164 #define	xge_os_spin_unlock(lockp)		mutex_exit(lockp)
165 #define	xge_os_spin_lock_irq(lockp, flags) (flags = flags, mutex_enter(lockp))
166 #define	xge_os_spin_unlock_irq(lockp, flags)	mutex_exit(lockp)
167 
168 /* x86 arch will never re-order writes, Sparc can */
169 #define	xge_os_wmb()				membar_producer()
170 
171 #define	xge_os_udelay(us)			drv_usecwait(us)
172 #define	xge_os_mdelay(ms)			drv_usecwait(ms * 1000)
173 
174 #define	xge_os_cmpxchg(targetp, cmp, newval)		\
175 	sizeof (*(targetp)) == 4 ?			\
176 	cas32((uint32_t *)targetp, cmp, newval) :	\
177 	cas64((uint64_t *)targetp, cmp, newval)
178 
179 /* ------------------------- misc primitives ------------------------------- */
180 
181 #define	xge_os_unlikely(x)		(x)
182 #define	xge_os_prefetch(a)		(a = a)
183 #define	xge_os_prefetchw
184 #ifdef __GNUC__
185 #define	xge_os_bug(fmt...)		cmn_err(CE_PANIC, fmt)
186 #else
187 static inline void xge_os_bug(char *fmt, ...) {
188 	va_list ap;
189 
190 	va_start(ap, fmt);
191 	vcmn_err(CE_PANIC, fmt, ap);
192 	va_end(ap);
193 }
194 #endif
195 
196 /* -------------------------- compiler stuffs ------------------------------ */
197 
198 #if defined(__i386)
199 #define	__xge_os_cacheline_size		64 /* L1-cache line size: x86_64 */
200 #else
201 #define	__xge_os_cacheline_size		64 /* L1-cache line size: sparcv9 */
202 #endif
203 
204 #ifdef __GNUC__
205 #define	__xge_os_attr_cacheline_aligned	\
206 	__attribute__((__aligned__(__xge_os_cacheline_size)))
207 #else
208 #define	__xge_os_attr_cacheline_aligned
209 #endif
210 
211 /* ---------------------- memory primitives -------------------------------- */
212 
213 static inline void *__xge_os_malloc(pci_dev_h pdev, unsigned long size,
214     char *file, int line)
215 {
216 	void *vaddr = kmem_alloc(size, KM_SLEEP);
217 
218 	XGE_OS_MEMORY_CHECK_MALLOC(vaddr, size, file, line);
219 	return (vaddr);
220 }
221 
222 static inline void xge_os_free(pci_dev_h pdev, const void *vaddr,
223     unsigned long size)
224 {
225 	XGE_OS_MEMORY_CHECK_FREE(vaddr, size);
226 	kmem_free((void*)vaddr, size);
227 }
228 
229 #define	xge_os_malloc(pdev, size) \
230 	__xge_os_malloc(pdev, size, __FILE__, __LINE__)
231 
232 static inline void *__xge_os_dma_malloc(pci_dev_h pdev, unsigned long size,
233     int dma_flags, pci_dma_h *p_dmah, pci_dma_acc_h *p_dma_acch, char *file,
234     int line)
235 {
236 	void *vaddr;
237 	int ret;
238 	size_t real_size;
239 	extern ddi_device_acc_attr_t *p_xge_dev_attr;
240 	extern struct ddi_dma_attr *p_hal_dma_attr;
241 	extern struct ddi_dma_attr *p_hal_dma_attr_aligned;
242 
243 	ret = ddi_dma_alloc_handle(pdev,
244 	    (dma_flags & XGE_OS_DMA_CACHELINE_ALIGNED ?
245 		p_hal_dma_attr_aligned : p_hal_dma_attr),
246 	    DDI_DMA_DONTWAIT, 0, p_dmah);
247 	if (ret != DDI_SUCCESS) {
248 		return (NULL);
249 	}
250 
251 	ret = ddi_dma_mem_alloc(*p_dmah, size, p_xge_dev_attr,
252 	    (dma_flags & XGE_OS_DMA_CONSISTENT ?
253 		DDI_DMA_CONSISTENT : DDI_DMA_STREAMING),
254 	    DDI_DMA_DONTWAIT, 0, (caddr_t *)&vaddr, &real_size, p_dma_acch);
255 	if (ret != DDI_SUCCESS) {
256 		ddi_dma_free_handle(p_dmah);
257 		return (NULL);
258 	}
259 
260 	if (size > real_size) {
261 		ddi_dma_mem_free(p_dma_acch);
262 		ddi_dma_free_handle(p_dmah);
263 		return (NULL);
264 	}
265 
266 	XGE_OS_MEMORY_CHECK_MALLOC(vaddr, size, file, line);
267 
268 	return (vaddr);
269 }
270 
271 #define	xge_os_dma_malloc(pdev, size, dma_flags, p_dmah, p_dma_acch) \
272 	__xge_os_dma_malloc(pdev, size, dma_flags, p_dmah, p_dma_acch, \
273 	    __FILE__, __LINE__)
274 
275 static inline void xge_os_dma_free(pci_dev_h pdev, const void *vaddr, int size,
276     pci_dma_acc_h *p_dma_acch, pci_dma_h *p_dmah)
277 {
278 	XGE_OS_MEMORY_CHECK_FREE(vaddr, 0);
279 	ddi_dma_mem_free(p_dma_acch);
280 	ddi_dma_free_handle(p_dmah);
281 }
282 
283 
284 /* --------------------------- pci primitives ------------------------------ */
285 
286 #define	xge_os_pci_read8(pdev, cfgh, where, val)	\
287 	(*(val) = pci_config_get8(cfgh, where))
288 
289 #define	xge_os_pci_write8(pdev, cfgh, where, val)	\
290 	pci_config_put8(cfgh, where, val)
291 
292 #define	xge_os_pci_read16(pdev, cfgh, where, val)	\
293 	(*(val) = pci_config_get16(cfgh, where))
294 
295 #define	xge_os_pci_write16(pdev, cfgh, where, val)	\
296 	pci_config_put16(cfgh, where, val)
297 
298 #define	xge_os_pci_read32(pdev, cfgh, where, val)	\
299 	(*(val) = pci_config_get32(cfgh, where))
300 
301 #define	xge_os_pci_write32(pdev, cfgh, where, val)	\
302 	pci_config_put32(cfgh, where, val)
303 
304 /* --------------------------- io primitives ------------------------------- */
305 
306 #define	xge_os_pio_mem_read8(pdev, regh, addr)		\
307 	(ddi_get8(regh, (uint8_t *)(addr)))
308 
309 #define	xge_os_pio_mem_write8(pdev, regh, val, addr)	\
310 	(ddi_put8(regh, (uint8_t *)(addr), val))
311 
312 #define	xge_os_pio_mem_read16(pdev, regh, addr)		\
313 	(ddi_get16(regh, (uint16_t *)(addr)))
314 
315 #define	xge_os_pio_mem_write16(pdev, regh, val, addr)	\
316 	(ddi_put16(regh, (uint16_t *)(addr), val))
317 
318 #define	xge_os_pio_mem_read32(pdev, regh, addr)		\
319 	(ddi_get32(regh, (uint32_t *)(addr)))
320 
321 #define	xge_os_pio_mem_write32(pdev, regh, val, addr)	\
322 	(ddi_put32(regh, (uint32_t *)(addr), val))
323 
324 #define	xge_os_pio_mem_read64(pdev, regh, addr)		\
325 	(ddi_get64(regh, (uint64_t *)(addr)))
326 
327 #define	xge_os_pio_mem_write64(pdev, regh, val, addr)	\
328 	(ddi_put64(regh, (uint64_t *)(addr), val))
329 
330 #define	xge_os_flush_bridge xge_os_pio_mem_read64
331 
332 /* --------------------------- dma primitives ----------------------------- */
333 
334 #define	XGE_OS_DMA_DIR_TODEVICE		DDI_DMA_SYNC_FORDEV
335 #define	XGE_OS_DMA_DIR_FROMDEVICE	DDI_DMA_SYNC_FORKERNEL
336 #define	XGE_OS_DMA_DIR_BIDIRECTIONAL	-1
337 #if defined(__x86)
338 #define	XGE_OS_DMA_USES_IOMMU		0
339 #else
340 #define	XGE_OS_DMA_USES_IOMMU		1
341 #endif
342 
343 #define	XGE_OS_INVALID_DMA_ADDR		((dma_addr_t)0)
344 
345 static inline dma_addr_t xge_os_dma_map(pci_dev_h pdev, pci_dma_h dmah,
346     void *vaddr, size_t size, int dir, int dma_flags) {
347 	int ret;
348 	uint_t flags;
349 	uint_t ncookies;
350 	ddi_dma_cookie_t dma_cookie;
351 
352 	switch (dir) {
353 	case XGE_OS_DMA_DIR_TODEVICE:
354 		flags = DDI_DMA_WRITE;
355 		break;
356 	case XGE_OS_DMA_DIR_FROMDEVICE:
357 		flags = DDI_DMA_READ;
358 		break;
359 	case XGE_OS_DMA_DIR_BIDIRECTIONAL:
360 		flags = DDI_DMA_RDWR;
361 		break;
362 	default:
363 		return (0);
364 	}
365 
366 	flags |= (dma_flags & XGE_OS_DMA_CONSISTENT) ?
367 	    DDI_DMA_CONSISTENT : DDI_DMA_STREAMING;
368 
369 	ret = ddi_dma_addr_bind_handle(dmah, NULL, vaddr, size, flags,
370 	    DDI_DMA_SLEEP, 0, &dma_cookie, &ncookies);
371 	if (ret != DDI_SUCCESS) {
372 		return (0);
373 	}
374 
375 	if (ncookies != 1 || dma_cookie.dmac_size < size) {
376 		(void) ddi_dma_unbind_handle(dmah);
377 		return (0);
378 	}
379 
380 	return (dma_cookie.dmac_laddress);
381 }
382 
383 static inline void xge_os_dma_unmap(pci_dev_h pdev, pci_dma_h dmah,
384     dma_addr_t dma_addr, size_t size, int dir)
385 {
386 	(void) ddi_dma_unbind_handle(dmah);
387 }
388 
389 static inline void xge_os_dma_sync(pci_dev_h pdev, pci_dma_h dmah,
390     dma_addr_t dma_addr, u64 dma_offset, size_t length, int dir)
391 {
392 	(void) ddi_dma_sync(dmah, dma_offset, length, dir);
393 }
394 
395 #ifdef __cplusplus
396 }
397 #endif
398 
399 #endif /* _SYS_XGE_OSDEP_H */
400