xref: /f-stack/dpdk/drivers/net/qede/base/bcm_osal.h (revision 8850115b)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2016 - 2018 Cavium Inc.
3  * All rights reserved.
4  * www.cavium.com
5  */
6 
7 #ifndef __BCM_OSAL_H
8 #define __BCM_OSAL_H
9 
10 #include <rte_byteorder.h>
11 #include <rte_spinlock.h>
12 #include <rte_malloc.h>
13 #include <rte_atomic.h>
14 #include <rte_memcpy.h>
15 #include <rte_log.h>
16 #include <rte_cycles.h>
17 #include <rte_debug.h>
18 #include <rte_ether.h>
19 #include <rte_io.h>
20 
21 /* Forward declaration */
22 struct ecore_dev;
23 struct ecore_hwfn;
24 struct ecore_ptt;
25 struct ecore_vf_acquire_sw_info;
26 struct vf_pf_resc_request;
27 enum ecore_mcp_protocol_type;
28 union ecore_mcp_protocol_stats;
29 enum ecore_hw_err_type;
30 
31 void qed_link_update(struct ecore_hwfn *hwfn);
32 
33 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
34 #undef __BIG_ENDIAN
35 #ifndef __LITTLE_ENDIAN
36 #define __LITTLE_ENDIAN
37 #endif
38 #else
39 #undef __LITTLE_ENDIAN
40 #ifndef __BIG_ENDIAN
41 #define __BIG_ENDIAN
42 #endif
43 #endif
44 
45 #define OSAL_WARN(arg1, arg2, arg3, ...) (0)
46 
47 #define UNUSED(x)	(void)(x)
48 
49 /* Memory Types */
50 typedef uint8_t u8;
51 typedef uint16_t u16;
52 typedef uint32_t u32;
53 typedef uint64_t u64;
54 
55 typedef int16_t s16;
56 typedef int32_t s32;
57 
58 typedef u16 __le16;
59 typedef u32 __le32;
60 typedef u32 OSAL_BE32;
61 
62 #define osal_uintptr_t uintptr_t
63 
64 typedef rte_iova_t dma_addr_t;
65 
66 typedef rte_spinlock_t osal_spinlock_t;
67 
68 typedef void *osal_dpc_t;
69 
70 typedef size_t osal_size_t;
71 
72 typedef intptr_t osal_int_ptr_t;
73 
74 typedef int bool;
75 #define true 1
76 #define false 0
77 
78 #define nothing do {} while (0)
79 
80 /* Delays */
81 
82 #define DELAY(x) rte_delay_us(x)
83 #define usec_delay(x) DELAY(x)
84 #define msec_delay(x) DELAY(1000 * (x))
85 #define OSAL_UDELAY(time) usec_delay(time)
86 #define OSAL_MSLEEP(time) msec_delay(time)
87 
88 /* Memory allocations and deallocations */
89 
90 #define OSAL_NULL ((void *)0)
91 #define OSAL_ALLOC(dev, GFP, size) rte_malloc("qede", size, 0)
92 #define OSAL_ZALLOC(dev, GFP, size) rte_zmalloc("qede", size, 0)
93 #define OSAL_CALLOC(dev, GFP, num, size) rte_calloc("qede", num, size, 0)
94 #define OSAL_VZALLOC(dev, size) rte_zmalloc("qede", size, 0)
95 #define OSAL_FREE(dev, memory)		  \
96 	do {				  \
97 		rte_free((void *)memory); \
98 		memory = OSAL_NULL;	  \
99 	} while (0)
100 #define OSAL_VFREE(dev, memory) OSAL_FREE(dev, memory)
101 #define OSAL_MEM_ZERO(mem, size) bzero(mem, size)
102 #define OSAL_MEMCPY(dst, src, size) rte_memcpy(dst, src, size)
103 #define OSAL_MEMCMP(s1, s2, size) memcmp(s1, s2, size)
104 #define OSAL_MEMSET(dst, val, length) \
105 	memset(dst, val, length)
106 
107 void *osal_dma_alloc_coherent(struct ecore_dev *, dma_addr_t *, size_t);
108 
109 void *osal_dma_alloc_coherent_aligned(struct ecore_dev *, dma_addr_t *,
110 				      size_t, int);
111 
112 void osal_dma_free_mem(struct ecore_dev *edev, dma_addr_t phys);
113 
114 #define OSAL_DMA_ALLOC_COHERENT(dev, phys, size) \
115 	osal_dma_alloc_coherent(dev, phys, size)
116 
117 #define OSAL_DMA_ALLOC_COHERENT_ALIGNED(dev, phys, size, align) \
118 	osal_dma_alloc_coherent_aligned(dev, phys, size, align)
119 
120 #define OSAL_DMA_FREE_COHERENT(dev, virt, phys, size) \
121 	osal_dma_free_mem(dev, phys)
122 
123 /* HW reads/writes */
124 
125 #define DIRECT_REG_RD(_dev, _reg_addr) rte_read32(_reg_addr)
126 
127 #define REG_RD(_p_hwfn, _reg_offset) \
128 	DIRECT_REG_RD(_p_hwfn,		\
129 			((u8 *)(uintptr_t)(_p_hwfn->regview) + (_reg_offset)))
130 
131 #define DIRECT_REG_WR16(_reg_addr, _val) rte_write16((_val), (_reg_addr))
132 
133 #define DIRECT_REG_WR(_dev, _reg_addr, _val) rte_write32((_val), (_reg_addr))
134 
135 #define DIRECT_REG_WR_RELAXED(_dev, _reg_addr, _val) \
136 	rte_write32_relaxed((_val), (_reg_addr))
137 
138 #define REG_WR(_p_hwfn, _reg_offset, _val) \
139 	DIRECT_REG_WR(NULL,  \
140 	((u8 *)((uintptr_t)(_p_hwfn->regview)) + (_reg_offset)), (u32)_val)
141 
142 #define REG_WR16(_p_hwfn, _reg_offset, _val) \
143 	DIRECT_REG_WR16(((u8 *)(uintptr_t)(_p_hwfn->regview) + \
144 			(_reg_offset)), (u16)_val)
145 
146 #define DOORBELL(_p_hwfn, _db_addr, _val)				\
147 	DIRECT_REG_WR_RELAXED((_p_hwfn),				\
148 			      ((u8 *)(uintptr_t)(_p_hwfn->doorbells) +	\
149 			      (_db_addr)), (u32)_val)
150 
151 #define DIRECT_REG_WR64(hwfn, addr, value) nothing
152 #define DIRECT_REG_RD64(hwfn, addr) 0
153 
154 /* Mutexes */
155 
156 typedef pthread_mutex_t osal_mutex_t;
157 #define OSAL_MUTEX_RELEASE(lock) pthread_mutex_unlock(lock)
158 #define OSAL_MUTEX_INIT(lock) pthread_mutex_init(lock, NULL)
159 #define OSAL_MUTEX_ACQUIRE(lock) pthread_mutex_lock(lock)
160 #define OSAL_MUTEX_ALLOC(hwfn, lock) nothing
161 #define OSAL_MUTEX_DEALLOC(lock) nothing
162 
163 /* Spinlocks */
164 
165 #define OSAL_SPIN_LOCK_INIT(lock) rte_spinlock_init(lock)
166 #define OSAL_SPIN_LOCK(lock) rte_spinlock_lock(lock)
167 #define OSAL_SPIN_UNLOCK(lock) rte_spinlock_unlock(lock)
168 #define OSAL_SPIN_LOCK_IRQSAVE(lock, flags)	\
169 	do {					\
170 		UNUSED(lock);			\
171 		flags = 0;			\
172 		UNUSED(flags);			\
173 	} while (0)
174 #define OSAL_SPIN_UNLOCK_IRQSAVE(lock, flags) nothing
175 #define OSAL_SPIN_LOCK_ALLOC(hwfn, lock) nothing
176 #define OSAL_SPIN_LOCK_DEALLOC(lock) nothing
177 
178 /* DPC */
179 
180 #define OSAL_DPC_ALLOC(hwfn) OSAL_ALLOC(hwfn, GFP, sizeof(osal_dpc_t))
181 #define OSAL_DPC_INIT(dpc, hwfn) nothing
182 #define OSAL_POLL_MODE_DPC(hwfn) nothing
183 #define OSAL_DPC_SYNC(hwfn) nothing
184 
185 /* Lists */
186 
187 #define OSAL_LIST_SPLICE_INIT(new_list, list) nothing
188 #define OSAL_LIST_SPLICE_TAIL_INIT(new_list, list) nothing
189 
190 typedef struct _osal_list_entry_t {
191 	struct _osal_list_entry_t *next, *prev;
192 } osal_list_entry_t;
193 
194 typedef struct osal_list_t {
195 	osal_list_entry_t *head, *tail;
196 	unsigned long cnt;
197 } osal_list_t;
198 
199 #define OSAL_LIST_INIT(list) \
200 	do {			\
201 		(list)->head = NULL;  \
202 		(list)->tail = NULL;  \
203 		(list)->cnt  = 0;	\
204 	} while (0)
205 
206 #define OSAL_LIST_PUSH_HEAD(entry, list)		\
207 	do {						\
208 		(entry)->prev = (osal_list_entry_t *)0;		\
209 		(entry)->next = (list)->head;			\
210 		if ((list)->tail == (osal_list_entry_t *)0) {	\
211 			(list)->tail = (entry);			\
212 		} else {					\
213 			(list)->head->prev = (entry);		\
214 		}						\
215 		(list)->head = (entry);				\
216 		(list)->cnt++;					\
217 	} while (0)
218 
219 #define OSAL_LIST_PUSH_TAIL(entry, list)	\
220 	do {					\
221 		(entry)->next = (osal_list_entry_t *)0; \
222 		(entry)->prev = (list)->tail;		\
223 		if ((list)->tail) {			\
224 			(list)->tail->next = (entry);	\
225 		} else {				\
226 			(list)->head = (entry);		\
227 		}					\
228 		(list)->tail = (entry);			\
229 		(list)->cnt++;				\
230 	} while (0)
231 
232 #define OSAL_LIST_FIRST_ENTRY(list, type, field) \
233 	(type *)((list)->head)
234 
235 #define OSAL_LIST_REMOVE_ENTRY(entry, list)			\
236 	do {							\
237 		if ((list)->head == (entry)) {				\
238 			if ((list)->head) {				\
239 				(list)->head = (list)->head->next;	\
240 			if ((list)->head) {				\
241 				(list)->head->prev = (osal_list_entry_t *)0;\
242 			} else {					\
243 				(list)->tail = (osal_list_entry_t *)0;	\
244 			}						\
245 			(list)->cnt--;					\
246 			}						\
247 		} else if ((list)->tail == (entry)) {			\
248 			if ((list)->tail) {				\
249 				(list)->tail = (list)->tail->prev;	\
250 			if ((list)->tail) {				\
251 				(list)->tail->next = (osal_list_entry_t *)0;\
252 			} else {					\
253 				(list)->head = (osal_list_entry_t *)0;	\
254 			}						\
255 			(list)->cnt--;					\
256 			}						\
257 		} else {						\
258 			(entry)->prev->next = (entry)->next;		\
259 			(entry)->next->prev = (entry)->prev;		\
260 			(list)->cnt--;					\
261 		}							\
262 	} while (0)
263 
264 #define OSAL_LIST_IS_EMPTY(list) \
265 	((list)->cnt == 0)
266 
267 #define OSAL_LIST_NEXT(entry, field, type) \
268 	(type *)((&((entry)->field))->next)
269 
270 /* TODO: Check field, type order */
271 
272 #define OSAL_LIST_FOR_EACH_ENTRY(entry, list, field, type) \
273 	for (entry = OSAL_LIST_FIRST_ENTRY(list, type, field); \
274 		entry;						\
275 		entry = OSAL_LIST_NEXT(entry, field, type))
276 
277 #define OSAL_LIST_FOR_EACH_ENTRY_SAFE(entry, tmp_entry, list, field, type) \
278 	 for (entry = OSAL_LIST_FIRST_ENTRY(list, type, field),	\
279 	  tmp_entry = (entry) ? OSAL_LIST_NEXT(entry, field, type) : NULL;    \
280 	  entry != NULL;						\
281 	  entry = (type *)tmp_entry,					 \
282 	  tmp_entry = (entry) ? OSAL_LIST_NEXT(entry, field, type) : NULL)
283 
284 /* TODO: OSAL_LIST_INSERT_ENTRY_AFTER */
285 #define OSAL_LIST_INSERT_ENTRY_AFTER(new_entry, entry, list) \
286 	OSAL_LIST_PUSH_HEAD(new_entry, list)
287 
288 /* PCI config space */
289 
290 #define OSAL_PCI_READ_CONFIG_BYTE(dev, address, dst) nothing
291 #define OSAL_PCI_READ_CONFIG_WORD(dev, address, dst) nothing
292 #define OSAL_PCI_READ_CONFIG_DWORD(dev, address, dst) nothing
293 #define OSAL_PCI_FIND_EXT_CAPABILITY(dev, pcie_id) 0
294 #define OSAL_PCI_FIND_CAPABILITY(dev, pcie_id) 0
295 #define OSAL_PCI_WRITE_CONFIG_WORD(dev, address, val) nothing
296 #define OSAL_BAR_SIZE(dev, bar_id) 0
297 
298 /* Barriers */
299 
300 #define OSAL_MMIOWB(dev)		rte_wmb()
301 #define OSAL_BARRIER(dev)		rte_compiler_barrier()
302 #define OSAL_SMP_RMB(dev)		rte_rmb()
303 #define OSAL_SMP_WMB(dev)		rte_wmb()
304 #define OSAL_RMB(dev)			rte_rmb()
305 #define OSAL_WMB(dev)			rte_wmb()
306 #define OSAL_DMA_SYNC(dev, addr, length, is_post) nothing
307 
308 #define OSAL_BIT(nr)            (1UL << (nr))
309 #define OSAL_BITS_PER_BYTE	(8)
310 #define OSAL_BITS_PER_UL	(sizeof(unsigned long) * OSAL_BITS_PER_BYTE)
311 #define OSAL_BITS_PER_UL_MASK		(OSAL_BITS_PER_UL - 1)
312 
313 /* Bitops */
314 void qede_set_bit(u32, unsigned long *);
315 #define OSAL_SET_BIT(bit, bitmap) \
316 	qede_set_bit(bit, bitmap)
317 
318 void qede_clr_bit(u32, unsigned long *);
319 #define OSAL_CLEAR_BIT(bit, bitmap) \
320 	qede_clr_bit(bit, bitmap)
321 
322 bool qede_test_bit(u32, unsigned long *);
323 #define OSAL_TEST_BIT(bit, bitmap) \
324 	qede_test_bit(bit, bitmap)
325 
326 u32 qede_find_first_bit(unsigned long *, u32);
327 #define OSAL_FIND_FIRST_BIT(bitmap, length) \
328 	qede_find_first_bit(bitmap, length)
329 
330 u32 qede_find_first_zero_bit(unsigned long *, u32);
331 #define OSAL_FIND_FIRST_ZERO_BIT(bitmap, length) \
332 	qede_find_first_zero_bit(bitmap, length)
333 
334 #define OSAL_BUILD_BUG_ON(cond)		nothing
335 #define ETH_ALEN			ETHER_ADDR_LEN
336 
337 #define OSAL_BITMAP_WEIGHT(bitmap, count) 0
338 
339 #define OSAL_LINK_UPDATE(hwfn) qed_link_update(hwfn)
340 #define OSAL_TRANSCEIVER_UPDATE(hwfn) nothing
341 #define OSAL_DCBX_AEN(hwfn, mib_type) nothing
342 
343 /* SR-IOV channel */
344 
345 #define OSAL_VF_FLR_UPDATE(hwfn) nothing
346 #define OSAL_VF_SEND_MSG2PF(dev, done, msg, reply_addr, msg_size, reply_size) 0
347 #define OSAL_VF_CQE_COMPLETION(_dev_p, _cqe, _protocol)	(0)
348 #define OSAL_PF_VF_MSG(hwfn, vfid) 0
349 #define OSAL_PF_VF_MALICIOUS(hwfn, vfid) nothing
350 #define OSAL_IOV_CHK_UCAST(hwfn, vfid, params) 0
351 #define OSAL_IOV_POST_START_VPORT(hwfn, vf, vport_id, opaque_fid) nothing
352 #define OSAL_IOV_VF_ACQUIRE(hwfn, vfid) 0
353 #define OSAL_IOV_VF_CLEANUP(hwfn, vfid) nothing
354 #define OSAL_IOV_VF_VPORT_UPDATE(hwfn, vfid, p_params, p_mask) 0
355 #define OSAL_VF_UPDATE_ACQUIRE_RESC_RESP(_dev_p, _resc_resp) 0
356 #define OSAL_IOV_GET_OS_TYPE() 0
357 #define OSAL_IOV_VF_MSG_TYPE(hwfn, vfid, vf_msg_type) nothing
358 #define OSAL_IOV_PF_RESP_TYPE(hwfn, vfid, pf_resp_type) nothing
359 #define OSAL_IOV_VF_VPORT_STOP(hwfn, vf) nothing
360 
361 u32 qede_unzip_data(struct ecore_hwfn *p_hwfn, u32 input_len,
362 		   u8 *input_buf, u32 max_size, u8 *unzip_buf);
363 void qede_vf_fill_driver_data(struct ecore_hwfn *, struct vf_pf_resc_request *,
364 			      struct ecore_vf_acquire_sw_info *);
365 void qede_hw_err_notify(struct ecore_hwfn *p_hwfn,
366 			enum ecore_hw_err_type err_type);
367 #define OSAL_VF_FILL_ACQUIRE_RESC_REQ(_dev_p, _resc_req, _os_info) \
368 	qede_vf_fill_driver_data(_dev_p, _resc_req, _os_info)
369 
370 #define OSAL_UNZIP_DATA(p_hwfn, input_len, buf, max_size, unzip_buf) \
371 	qede_unzip_data(p_hwfn, input_len, buf, max_size, unzip_buf)
372 
373 /* TODO: */
374 #define OSAL_SCHEDULE_RECOVERY_HANDLER(hwfn) nothing
375 #define OSAL_HW_ERROR_OCCURRED(hwfn, err_type) \
376 	qede_hw_err_notify(hwfn, err_type)
377 
378 #define OSAL_NVM_IS_ACCESS_ENABLED(hwfn) (1)
379 #define OSAL_NUM_CPUS()	0
380 
381 /* Utility functions */
382 
383 #define RTE_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
384 #define DIV_ROUND_UP(size, to_what) RTE_DIV_ROUND_UP(size, to_what)
385 #define RTE_ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
386 #define ROUNDUP(value, to_what) RTE_ROUNDUP((value), (to_what))
387 
388 unsigned long qede_log2_align(unsigned long n);
389 #define OSAL_ROUNDUP_POW_OF_TWO(val) \
390 	qede_log2_align(val)
391 
392 u32 qede_osal_log2(u32);
393 #define OSAL_LOG2(val) \
394 	qede_osal_log2(val)
395 
396 #define PRINT(format, ...) printf
397 #define PRINT_ERR(format, ...) PRINT
398 
399 #define OFFSETOF(str, field) __builtin_offsetof(str, field)
400 #define OSAL_ASSERT(is_assert) assert(is_assert)
401 #define OSAL_BEFORE_PF_START(file, engine) nothing
402 #define OSAL_AFTER_PF_STOP(file, engine) nothing
403 
404 /* Endian macros */
405 #define OSAL_CPU_TO_BE32(val) rte_cpu_to_be_32(val)
406 #define OSAL_BE32_TO_CPU(val) rte_be_to_cpu_32(val)
407 #define OSAL_CPU_TO_LE32(val) rte_cpu_to_le_32(val)
408 #define OSAL_CPU_TO_LE16(val) rte_cpu_to_le_16(val)
409 #define OSAL_LE32_TO_CPU(val) rte_le_to_cpu_32(val)
410 #define OSAL_LE16_TO_CPU(val) rte_le_to_cpu_16(val)
411 #define OSAL_CPU_TO_BE64(val) rte_cpu_to_be_64(val)
412 
413 #define OSAL_ARRAY_SIZE(arr) RTE_DIM(arr)
414 #define OSAL_SPRINTF(name, pattern, ...) \
415 	sprintf(name, pattern, ##__VA_ARGS__)
416 #define OSAL_SNPRINTF(buf, size, format, ...) \
417 	snprintf(buf, size, format, ##__VA_ARGS__)
418 #define OSAL_STRLEN(string) strlen(string)
419 #define OSAL_STRCPY(dst, string) strcpy(dst, string)
420 #define OSAL_STRNCPY(dst, string, len) strncpy(dst, string, len)
421 #define OSAL_STRCMP(str1, str2) strcmp(str1, str2)
422 #define OSAL_STRTOUL(str, base, res) 0
423 
424 #define OSAL_INLINE inline
425 #define OSAL_REG_ADDR(_p_hwfn, _offset) \
426 		(void *)((u8 *)(uintptr_t)(_p_hwfn->regview) + (_offset))
427 #define OSAL_PAGE_SIZE 4096
428 #define OSAL_CACHE_LINE_SIZE RTE_CACHE_LINE_SIZE
429 #define OSAL_IOMEM volatile
430 #define OSAL_UNUSED    __attribute__((unused))
431 #define OSAL_UNLIKELY(x)  __builtin_expect(!!(x), 0)
432 #define OSAL_MIN_T(type, __min1, __min2)	\
433 	((type)(__min1) < (type)(__min2) ? (type)(__min1) : (type)(__min2))
434 #define OSAL_MAX_T(type, __max1, __max2)	\
435 	((type)(__max1) > (type)(__max2) ? (type)(__max1) : (type)(__max2))
436 
437 void qede_get_mcp_proto_stats(struct ecore_dev *, enum ecore_mcp_protocol_type,
438 			      union ecore_mcp_protocol_stats *);
439 #define	OSAL_GET_PROTOCOL_STATS(dev, type, stats) \
440 	qede_get_mcp_proto_stats(dev, type, stats)
441 
442 #define	OSAL_SLOWPATH_IRQ_REQ(p_hwfn) (0)
443 
444 u32 qede_crc32(u32 crc, u8 *ptr, u32 length);
445 #define OSAL_CRC32(crc, buf, length) qede_crc32(crc, buf, length)
446 #define OSAL_CRC8_POPULATE(table, polynomial) nothing
447 #define OSAL_CRC8(table, pdata, nbytes, crc) 0
448 #define OSAL_MFW_TLV_REQ(p_hwfn) nothing
449 #define OSAL_MFW_FILL_TLV_DATA(type, buf, data) (0)
450 #define OSAL_HW_INFO_CHANGE(p_hwfn, change) nothing
451 #define OSAL_MFW_CMD_PREEMPT(p_hwfn) nothing
452 #define OSAL_PF_VALIDATE_MODIFY_TUNN_CONFIG(p_hwfn, mask, b_update, tunn) 0
453 
454 #define OSAL_DIV_S64(a, b)	((a) / (b))
455 #define OSAL_LLDP_RX_TLVS(p_hwfn, tlv_buf, tlv_size) nothing
456 #define OSAL_DBG_ALLOC_USER_DATA(p_hwfn, user_data_ptr) (0)
457 #define OSAL_DB_REC_OCCURRED(p_hwfn) nothing
458 
459 #endif /* __BCM_OSAL_H */
460