1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates.
6 #ifndef DPDK_ENA_COM_ENA_PLAT_DPDK_H_
7 #define DPDK_ENA_COM_ENA_PLAT_DPDK_H_
17 #include <rte_atomic.h>
18 #include <rte_branch_prediction.h>
19 #include <rte_cycles.h>
22 #include <rte_malloc.h>
23 #include <rte_memzone.h>
24 #include <rte_prefetch.h>
25 #include <rte_spinlock.h>
28 #include <rte_memcpy.h>
35 typedef struct rte_eth_dev ena_netdev;
36 typedef uint64_t dma_addr_t;
39 #define ETIME ETIMEDOUT
42 #define ENA_PRIu64 PRIu64
43 #define ena_atomic32_t rte_atomic32_t
44 #define ena_mem_handle_t const struct rte_memzone *
50 #define ENA_COM_NO_MEM -ENOMEM
51 #define ENA_COM_INVAL -EINVAL
52 #define ENA_COM_NO_SPACE -ENOSPC
53 #define ENA_COM_NO_DEVICE -ENODEV
54 #define ENA_COM_TIMER_EXPIRED -ETIME
55 #define ENA_COM_FAULT -EFAULT
56 #define ENA_COM_TRY_AGAIN -EAGAIN
57 #define ENA_COM_UNSUPPORTED -EOPNOTSUPP
58 #define ENA_COM_EIO -EIO
60 #define ____cacheline_aligned __rte_cache_aligned
62 #define ENA_ABORT() abort()
64 #define ENA_MSLEEP(x) rte_delay_us_sleep(x * 1000)
65 #define ENA_USLEEP(x) rte_delay_us_sleep(x)
66 #define ENA_UDELAY(x) rte_delay_us_block(x)
68 #define ENA_TOUCH(x) ((void)(x))
69 /* Avoid nested declaration on arm64, as it may define rte_memcpy as memcpy. */
70 #if defined(RTE_ARCH_X86)
72 #define memcpy rte_memcpy
77 #define mmiowb rte_io_wmb
81 #define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
84 #define READ_ONCE8(var) READ_ONCE(var)
85 #define READ_ONCE16(var) READ_ONCE(var)
86 #define READ_ONCE32(var) READ_ONCE(var)
88 #define US_PER_S 1000000
89 #define ENA_GET_SYSTEM_USECS() \
90 (rte_get_timer_cycles() * US_PER_S / rte_get_timer_hz())
92 extern int ena_logtype_com;
94 #define ENA_MAX_T(type, x, y) RTE_MAX((type)(x), (type)(y))
95 #define ENA_MAX32(x, y) ENA_MAX_T(uint32_t, (x), (y))
96 #define ENA_MAX16(x, y) ENA_MAX_T(uint16_t, (x), (y))
97 #define ENA_MAX8(x, y) ENA_MAX_T(uint8_t, (x), (y))
98 #define ENA_MIN_T(type, x, y) RTE_MIN((type)(x), (type)(y))
99 #define ENA_MIN32(x, y) ENA_MIN_T(uint32_t, (x), (y))
100 #define ENA_MIN16(x, y) ENA_MIN_T(uint16_t, (x), (y))
101 #define ENA_MIN8(x, y) ENA_MIN_T(uint8_t, (x), (y))
103 #define BITS_PER_LONG_LONG (__SIZEOF_LONG_LONG__ * 8)
104 #define U64_C(x) x ## ULL
105 #define BIT(nr) (1UL << (nr))
106 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
107 #define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
108 #define GENMASK_ULL(h, l) (((~0ULL) - (1ULL << (l)) + 1) & \
109 (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
111 #define ena_trc_log(dev, level, fmt, arg...) \
114 rte_log(RTE_LOG_ ## level, ena_logtype_com, \
115 "[ENA_COM: %s]" fmt, __func__, ##arg) \
118 #define ena_trc_dbg(dev, format, arg...) ena_trc_log(dev, DEBUG, format, ##arg)
119 #define ena_trc_info(dev, format, arg...) ena_trc_log(dev, INFO, format, ##arg)
120 #define ena_trc_warn(dev, format, arg...) \
121 ena_trc_log(dev, WARNING, format, ##arg)
122 #define ena_trc_err(dev, format, arg...) ena_trc_log(dev, ERR, format, ##arg)
124 #define ENA_WARN(cond, dev, format, arg...) \
126 if (unlikely(cond)) { \
128 "Warn failed on %s:%s:%d:" format, \
129 __FILE__, __func__, __LINE__, ##arg); \
133 /* Spinlock related methods */
134 #define ena_spinlock_t rte_spinlock_t
135 #define ENA_SPINLOCK_INIT(spinlock) rte_spinlock_init(&(spinlock))
136 #define ENA_SPINLOCK_LOCK(spinlock, flags) \
137 ({(void)flags; rte_spinlock_lock(&(spinlock)); })
138 #define ENA_SPINLOCK_UNLOCK(spinlock, flags) \
139 ({(void)flags; rte_spinlock_unlock(&(spinlock)); })
140 #define ENA_SPINLOCK_DESTROY(spinlock) ((void)(spinlock))
144 pthread_mutex_t mutex;
148 #define ENA_WAIT_EVENT_INIT(waitevent) \
150 ena_wait_event_t *_we = &(waitevent); \
151 pthread_mutex_init(&_we->mutex, NULL); \
152 pthread_cond_init(&_we->cond, NULL); \
156 #define ENA_WAIT_EVENT_WAIT(waitevent, timeout) \
158 ena_wait_event_t *_we = &(waitevent); \
159 typeof(timeout) _tmo = (timeout); \
161 struct timespec wait; \
162 struct timeval now; \
163 unsigned long timeout_us; \
164 gettimeofday(&now, NULL); \
165 wait.tv_sec = now.tv_sec + _tmo / 1000000UL; \
166 timeout_us = _tmo % 1000000UL; \
167 wait.tv_nsec = (now.tv_usec + timeout_us) * 1000UL; \
168 pthread_mutex_lock(&_we->mutex); \
169 while (ret == 0 && !_we->flag) { \
170 ret = pthread_cond_timedwait(&_we->cond, \
171 &_we->mutex, &wait); \
173 /* Asserts only if not working on ena_wait_event_t */ \
174 if (unlikely(ret != 0 && ret != ETIMEDOUT)) \
176 "Invalid wait event. pthread ret: %d\n", ret); \
177 else if (unlikely(ret == ETIMEDOUT)) \
179 "Timeout waiting for " #waitevent "\n"); \
181 pthread_mutex_unlock(&_we->mutex); \
183 #define ENA_WAIT_EVENT_SIGNAL(waitevent) \
185 ena_wait_event_t *_we = &(waitevent); \
186 pthread_mutex_lock(&_we->mutex); \
188 pthread_cond_signal(&_we->cond); \
189 pthread_mutex_unlock(&_we->mutex); \
191 /* pthread condition doesn't need to be rearmed after usage */
192 #define ENA_WAIT_EVENT_CLEAR(...)
193 #define ENA_WAIT_EVENT_DESTROY(waitevent) ((void)(waitevent))
195 #define ENA_MIGHT_SLEEP()
197 #define ena_time_t uint64_t
198 #define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles())
199 #define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \
200 ((timeout_us) * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles())
203 * Each rte_memzone should have unique name.
204 * To satisfy it, count number of allocations and add it to name.
206 extern rte_atomic64_t ena_alloc_cnt;
208 #define ENA_MEM_ALLOC_COHERENT_ALIGNED( \
209 dmadev, size, virt, phys, mem_handle, alignment) \
211 const struct rte_memzone *mz = NULL; \
214 char z_name[RTE_MEMZONE_NAMESIZE]; \
215 snprintf(z_name, sizeof(z_name), \
216 "ena_alloc_%" PRIi64 "", \
217 rte_atomic64_add_return(&ena_alloc_cnt, 1)); \
218 mz = rte_memzone_reserve_aligned(z_name, (size), \
219 SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG,\
227 memset(mz->addr, 0, (size)); \
232 #define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, mem_handle) \
233 ENA_MEM_ALLOC_COHERENT_ALIGNED(dmadev, size, virt, phys, \
234 mem_handle, RTE_CACHE_LINE_SIZE)
235 #define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, mem_handle) \
236 ({ ENA_TOUCH(size); ENA_TOUCH(phys); ENA_TOUCH(dmadev); \
237 rte_memzone_free(mem_handle); })
239 #define ENA_MEM_ALLOC_COHERENT_NODE_ALIGNED( \
240 dmadev, size, virt, phys, mem_handle, node, dev_node, alignment) \
242 const struct rte_memzone *mz = NULL; \
243 ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \
245 char z_name[RTE_MEMZONE_NAMESIZE]; \
246 snprintf(z_name, sizeof(z_name), \
247 "ena_alloc_%" PRIi64 "", \
248 rte_atomic64_add_return(&ena_alloc_cnt, 1)); \
249 mz = rte_memzone_reserve_aligned(z_name, (size), \
250 node, RTE_MEMZONE_IOVA_CONTIG, alignment); \
257 memset(mz->addr, 0, (size)); \
262 #define ENA_MEM_ALLOC_COHERENT_NODE( \
263 dmadev, size, virt, phys, mem_handle, node, dev_node) \
264 ENA_MEM_ALLOC_COHERENT_NODE_ALIGNED(dmadev, size, virt, phys, \
265 mem_handle, node, dev_node, RTE_CACHE_LINE_SIZE)
266 #define ENA_MEM_ALLOC_NODE(dmadev, size, virt, node, dev_node) \
268 ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \
269 virt = rte_zmalloc_socket(NULL, size, 0, node); \
272 #define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1)
273 #define ENA_MEM_FREE(dmadev, ptr, size) \
274 ({ ENA_TOUCH(dmadev); ENA_TOUCH(size); rte_free(ptr); })
276 #define ENA_DB_SYNC(mem_handle) ((void)mem_handle)
278 #define ENA_REG_WRITE32(bus, value, reg) \
279 ({ (void)(bus); rte_write32((value), (reg)); })
280 #define ENA_REG_WRITE32_RELAXED(bus, value, reg) \
281 ({ (void)(bus); rte_write32_relaxed((value), (reg)); })
282 #define ENA_REG_READ32(bus, reg) \
283 ({ (void)(bus); rte_read32_relaxed((reg)); })
285 #define ATOMIC32_INC(i32_ptr) rte_atomic32_inc(i32_ptr)
286 #define ATOMIC32_DEC(i32_ptr) rte_atomic32_dec(i32_ptr)
287 #define ATOMIC32_SET(i32_ptr, val) rte_atomic32_set(i32_ptr, val)
288 #define ATOMIC32_READ(i32_ptr) rte_atomic32_read(i32_ptr)
290 #define msleep(x) rte_delay_us(x * 1000)
291 #define udelay(x) rte_delay_us(x)
293 #define dma_rmb() rmb()
295 #define MAX_ERRNO 4095
296 #define IS_ERR(x) (((unsigned long)x) >= (unsigned long)-MAX_ERRNO)
297 #define ERR_PTR(error) ((void *)(long)error)
298 #define PTR_ERR(error) ((long)(void *)error)
299 #define might_sleep()
301 #define prefetch(x) rte_prefetch0(x)
302 #define prefetchw(x) rte_prefetch0_write(x)
304 #define lower_32_bits(x) ((uint32_t)(x))
305 #define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16))
307 #define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles())
308 #define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \
309 ((timeout_us) * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles())
310 #define ENA_WAIT_EVENTS_DESTROY(admin_queue) ((void)(admin_queue))
312 /* The size must be 8 byte align */
313 #define ENA_MEMCPY_TO_DEVICE_64(dst, src, size) \
316 uint64_t *to = (uint64_t *)(dst); \
317 const uint64_t *from = (const uint64_t *)(src); \
318 count = (size) / 8; \
319 for (i = 0; i < count; i++, from++, to++) \
320 rte_write64_relaxed(*from, to); \
323 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
325 #define ENA_FFS(x) ffs(x)
327 void ena_rss_key_fill(void *key, size_t size);
329 #define ENA_RSS_FILL_KEY(key, size) ena_rss_key_fill(key, size)
331 #define ENA_INTR_INITIAL_TX_INTERVAL_USECS_PLAT 0
333 #include "ena_includes.h"
334 #endif /* DPDK_ENA_COM_ENA_PLAT_DPDK_H_ */