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>
34 typedef uint64_t dma_addr_t;
36 #define ETIME ETIMEDOUT
39 #define ena_atomic32_t rte_atomic32_t
40 #define ena_mem_handle_t const struct rte_memzone *
46 #define ENA_COM_NO_MEM -ENOMEM
47 #define ENA_COM_INVAL -EINVAL
48 #define ENA_COM_NO_SPACE -ENOSPC
49 #define ENA_COM_NO_DEVICE -ENODEV
50 #define ENA_COM_TIMER_EXPIRED -ETIME
51 #define ENA_COM_FAULT -EFAULT
52 #define ENA_COM_TRY_AGAIN -EAGAIN
53 #define ENA_COM_UNSUPPORTED -EOPNOTSUPP
55 #define ____cacheline_aligned __rte_cache_aligned
57 #define ENA_ABORT() abort()
59 #define ENA_MSLEEP(x) rte_delay_us_sleep(x * 1000)
60 #define ENA_USLEEP(x) rte_delay_us_sleep(x)
61 #define ENA_UDELAY(x) rte_delay_us_block(x)
63 #define ENA_TOUCH(x) ((void)(x))
64 #define memcpy_toio memcpy
68 #define mmiowb rte_io_wmb
71 #define US_PER_S 1000000
72 #define ENA_GET_SYSTEM_USECS() \
73 (rte_get_timer_cycles() * US_PER_S / rte_get_timer_hz())
75 extern int ena_logtype_com;
77 #define ENA_MAX_T(type, x, y) RTE_MAX((type)(x), (type)(y))
78 #define ENA_MAX32(x, y) ENA_MAX_T(uint32_t, (x), (y))
79 #define ENA_MAX16(x, y) ENA_MAX_T(uint16_t, (x), (y))
80 #define ENA_MAX8(x, y) ENA_MAX_T(uint8_t, (x), (y))
81 #define ENA_MIN_T(type, x, y) RTE_MIN((type)(x), (type)(y))
82 #define ENA_MIN32(x, y) ENA_MIN_T(uint32_t, (x), (y))
83 #define ENA_MIN16(x, y) ENA_MIN_T(uint16_t, (x), (y))
84 #define ENA_MIN8(x, y) ENA_MIN_T(uint8_t, (x), (y))
86 #define BITS_PER_LONG_LONG (__SIZEOF_LONG_LONG__ * 8)
87 #define U64_C(x) x ## ULL
88 #define BIT(nr) (1UL << (nr))
89 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
90 #define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
91 #define GENMASK_ULL(h, l) (((~0ULL) - (1ULL << (l)) + 1) & \
92 (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
94 #ifdef RTE_LIBRTE_ENA_COM_DEBUG
95 #define ena_trc_log(level, fmt, arg...) \
96 rte_log(RTE_LOG_ ## level, ena_logtype_com, \
97 "[ENA_COM: %s]" fmt, __func__, ##arg)
99 #define ena_trc_dbg(format, arg...) ena_trc_log(DEBUG, format, ##arg)
100 #define ena_trc_info(format, arg...) ena_trc_log(INFO, format, ##arg)
101 #define ena_trc_warn(format, arg...) ena_trc_log(WARNING, format, ##arg)
102 #define ena_trc_err(format, arg...) ena_trc_log(ERR, format, ##arg)
104 #define ena_trc_dbg(format, arg...) do { } while (0)
105 #define ena_trc_info(format, arg...) do { } while (0)
106 #define ena_trc_warn(format, arg...) do { } while (0)
107 #define ena_trc_err(format, arg...) do { } while (0)
108 #endif /* RTE_LIBRTE_ENA_COM_DEBUG */
110 #define ENA_WARN(cond, format, arg...) \
112 if (unlikely(cond)) { \
114 "Warn failed on %s:%s:%d:" format, \
115 __FILE__, __func__, __LINE__, ##arg); \
119 /* Spinlock related methods */
120 #define ena_spinlock_t rte_spinlock_t
121 #define ENA_SPINLOCK_INIT(spinlock) rte_spinlock_init(&spinlock)
122 #define ENA_SPINLOCK_LOCK(spinlock, flags) \
123 ({(void)flags; rte_spinlock_lock(&spinlock); })
124 #define ENA_SPINLOCK_UNLOCK(spinlock, flags) \
125 ({(void)flags; rte_spinlock_unlock(&(spinlock)); })
126 #define ENA_SPINLOCK_DESTROY(spinlock) ((void)spinlock)
128 #define q_waitqueue_t \
130 pthread_cond_t cond; \
131 pthread_mutex_t mutex; \
134 #define ena_wait_queue_t q_waitqueue_t
136 #define ENA_WAIT_EVENT_INIT(waitqueue) \
138 pthread_mutex_init(&(waitqueue).mutex, NULL); \
139 pthread_cond_init(&(waitqueue).cond, NULL); \
142 #define ENA_WAIT_EVENT_WAIT(waitevent, timeout) \
144 struct timespec wait; \
145 struct timeval now; \
146 unsigned long timeout_us; \
147 gettimeofday(&now, NULL); \
148 wait.tv_sec = now.tv_sec + timeout / 1000000UL; \
149 timeout_us = timeout % 1000000UL; \
150 wait.tv_nsec = (now.tv_usec + timeout_us) * 1000UL; \
151 pthread_mutex_lock(&waitevent.mutex); \
152 pthread_cond_timedwait(&waitevent.cond, \
153 &waitevent.mutex, &wait); \
154 pthread_mutex_unlock(&waitevent.mutex); \
156 #define ENA_WAIT_EVENT_SIGNAL(waitevent) pthread_cond_signal(&waitevent.cond)
157 /* pthread condition doesn't need to be rearmed after usage */
158 #define ENA_WAIT_EVENT_CLEAR(...)
159 #define ENA_WAIT_EVENT_DESTROY(waitqueue) ((void)(waitqueue))
161 #define ena_wait_event_t ena_wait_queue_t
162 #define ENA_MIGHT_SLEEP()
164 #define ena_time_t uint64_t
165 #define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles())
166 #define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \
167 (timeout_us * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles())
170 * Each rte_memzone should have unique name.
171 * To satisfy it, count number of allocations and add it to name.
173 extern rte_atomic32_t ena_alloc_cnt;
175 #define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, handle) \
177 const struct rte_memzone *mz = NULL; \
178 ENA_TOUCH(dmadev); ENA_TOUCH(handle); \
180 char z_name[RTE_MEMZONE_NAMESIZE]; \
181 snprintf(z_name, sizeof(z_name), \
183 rte_atomic32_add_return(&ena_alloc_cnt, 1)); \
184 mz = rte_memzone_reserve(z_name, size, \
186 RTE_MEMZONE_IOVA_CONTIG); \
193 memset(mz->addr, 0, size); \
198 #define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, handle) \
199 ({ ENA_TOUCH(size); ENA_TOUCH(phys); \
201 rte_memzone_free(handle); })
203 #define ENA_MEM_ALLOC_COHERENT_NODE( \
204 dmadev, size, virt, phys, mem_handle, node, dev_node) \
206 const struct rte_memzone *mz = NULL; \
207 ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \
209 char z_name[RTE_MEMZONE_NAMESIZE]; \
210 snprintf(z_name, sizeof(z_name), \
212 rte_atomic32_add_return(&ena_alloc_cnt, 1)); \
213 mz = rte_memzone_reserve(z_name, size, node, \
214 RTE_MEMZONE_IOVA_CONTIG); \
221 memset(mz->addr, 0, size); \
227 #define ENA_MEM_ALLOC_NODE(dmadev, size, virt, node, dev_node) \
229 ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \
230 virt = rte_zmalloc_socket(NULL, size, 0, node); \
233 #define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1)
234 #define ENA_MEM_FREE(dmadev, ptr, size) \
235 ({ ENA_TOUCH(dmadev); ENA_TOUCH(size); rte_free(ptr); })
237 #define ENA_DB_SYNC(mem_handle) ((void)mem_handle)
239 #define ENA_REG_WRITE32(bus, value, reg) \
240 ({ (void)(bus); rte_write32((value), (reg)); })
241 #define ENA_REG_WRITE32_RELAXED(bus, value, reg) \
242 ({ (void)(bus); rte_write32_relaxed((value), (reg)); })
243 #define ENA_REG_READ32(bus, reg) \
244 ({ (void)(bus); rte_read32_relaxed((reg)); })
246 #define ATOMIC32_INC(i32_ptr) rte_atomic32_inc(i32_ptr)
247 #define ATOMIC32_DEC(i32_ptr) rte_atomic32_dec(i32_ptr)
248 #define ATOMIC32_SET(i32_ptr, val) rte_atomic32_set(i32_ptr, val)
249 #define ATOMIC32_READ(i32_ptr) rte_atomic32_read(i32_ptr)
251 #define msleep(x) rte_delay_us(x * 1000)
252 #define udelay(x) rte_delay_us(x)
254 #define dma_rmb() rmb()
256 #define MAX_ERRNO 4095
257 #define IS_ERR(x) (((unsigned long)x) >= (unsigned long)-MAX_ERRNO)
258 #define ERR_PTR(error) ((void *)(long)error)
259 #define PTR_ERR(error) ((long)(void *)error)
260 #define might_sleep()
262 #define prefetch(x) rte_prefetch0(x)
263 #define prefetchw(x) prefetch(x)
265 #define lower_32_bits(x) ((uint32_t)(x))
266 #define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16))
268 #define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles())
269 #define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \
270 (timeout_us * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles())
271 #define ENA_WAIT_EVENT_DESTROY(waitqueue) ((void)(waitqueue))
274 #define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
277 #define READ_ONCE8(var) READ_ONCE(var)
278 #define READ_ONCE16(var) READ_ONCE(var)
279 #define READ_ONCE32(var) READ_ONCE(var)
281 /* The size must be 8 byte align */
282 #define ENA_MEMCPY_TO_DEVICE_64(dst, src, size) \
285 uint64_t *to = (uint64_t *)(dst); \
286 const uint64_t *from = (const uint64_t *)(src); \
287 count = (size) / 8; \
288 for (i = 0; i < count; i++, from++, to++) \
289 rte_write64_relaxed(*from, to); \
292 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
294 #define ENA_FFS(x) ffs(x)
296 void ena_rss_key_fill(void *key, size_t size);
298 #define ENA_RSS_FILL_KEY(key, size) ena_rss_key_fill(key, size)
300 #define ENA_INTR_INITIAL_TX_INTERVAL_USECS_PLAT 0
302 #define ENA_PRIu64 PRIu64
304 #include "ena_includes.h"
305 #endif /* DPDK_ENA_COM_ENA_PLAT_DPDK_H_ */