X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fena%2Fbase%2Fena_plat_dpdk.h;h=f66df95591f2d7e248d78a5abdd2074754a19bc4;hb=072b9f2bbc2402a8c86194fe9e11458c1605540a;hp=5f69330191c9e36cc3bde90310fcbda7be82cb35;hpb=50705e8e3cdd261c1333ede1f449feb9c2c69893;p=dpdk.git diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h index 5f69330191..f66df95591 100644 --- a/drivers/net/ena/base/ena_plat_dpdk.h +++ b/drivers/net/ena/base/ena_plat_dpdk.h @@ -1,35 +1,7 @@ -/*- -* BSD LICENSE -* -* Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates. -* All rights reserved. -* -* Redistribution and use in source and binary forms, with or without -* modification, are permitted provided that the following conditions -* are met: -* -* * Redistributions of source code must retain the above copyright -* notice, this list of conditions and the following disclaimer. -* * Redistributions in binary form must reproduce the above copyright -* notice, this list of conditions and the following disclaimer in -* the documentation and/or other materials provided with the -* distribution. -* * Neither the name of copyright holder nor the names of its -* contributors may be used to endorse or promote products derived -* from this software without specific prior written permission. -* -* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates. + * All rights reserved. + */ #ifndef DPDK_ENA_COM_ENA_PLAT_DPDK_H_ #define DPDK_ENA_COM_ENA_PLAT_DPDK_H_ @@ -38,174 +10,284 @@ #include #include #include +#include #include #include #include #include #include +#include #include #include #include +#include #include #include +#include typedef uint64_t u64; typedef uint32_t u32; typedef uint16_t u16; typedef uint8_t u8; +typedef struct rte_eth_dev ena_netdev; typedef uint64_t dma_addr_t; + #ifndef ETIME #define ETIME ETIMEDOUT #endif +#define ENA_PRIu64 PRIu64 #define ena_atomic32_t rte_atomic32_t -#define ena_mem_handle_t void * +#define ena_mem_handle_t const struct rte_memzone * -#define SZ_256 (256) -#define SZ_4K (4096) +#define SZ_256 (256U) +#define SZ_4K (4096U) #define ENA_COM_OK 0 #define ENA_COM_NO_MEM -ENOMEM #define ENA_COM_INVAL -EINVAL #define ENA_COM_NO_SPACE -ENOSPC #define ENA_COM_NO_DEVICE -ENODEV -#define ENA_COM_PERMISSION -EPERM #define ENA_COM_TIMER_EXPIRED -ETIME #define ENA_COM_FAULT -EFAULT +#define ENA_COM_TRY_AGAIN -EAGAIN +#define ENA_COM_UNSUPPORTED -EOPNOTSUPP +#define ENA_COM_EIO -EIO #define ____cacheline_aligned __rte_cache_aligned #define ENA_ABORT() abort() -#define ENA_MSLEEP(x) rte_delay_ms(x) -#define ENA_UDELAY(x) rte_delay_us(x) +#define ENA_MSLEEP(x) rte_delay_us_sleep(x * 1000) +#define ENA_USLEEP(x) rte_delay_us_sleep(x) +#define ENA_UDELAY(x) rte_delay_us_block(x) -#define memcpy_toio memcpy +#define ENA_TOUCH(x) ((void)(x)) +/* Avoid nested declaration on arm64, as it may define rte_memcpy as memcpy. */ +#if defined(RTE_ARCH_X86) +#undef memcpy +#define memcpy rte_memcpy +#endif #define wmb rte_wmb -#define rmb rte_wmb +#define rmb rte_rmb #define mb rte_mb +#define mmiowb rte_io_wmb #define __iomem +#ifndef READ_ONCE +#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var)))) +#endif + +#define READ_ONCE8(var) READ_ONCE(var) +#define READ_ONCE16(var) READ_ONCE(var) +#define READ_ONCE32(var) READ_ONCE(var) + #define US_PER_S 1000000 -#define ENA_GET_SYSTEM_USECS() \ +#define ENA_GET_SYSTEM_USECS() \ (rte_get_timer_cycles() * US_PER_S / rte_get_timer_hz()) -#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG -#define ENA_ASSERT(cond, format, arg...) \ - do { \ - if (unlikely(!(cond))) { \ - RTE_LOG(ERR, PMD, format, ##arg); \ - rte_panic("line %d\tassert \"" #cond "\"" \ - "failed\n", __LINE__); \ - } \ - } while (0) -#else -#define ENA_ASSERT(cond, format, arg...) do {} while (0) -#endif +extern int ena_logtype_com; -#define ENA_MAX32(x, y) RTE_MAX((x), (y)) -#define ENA_MAX16(x, y) RTE_MAX((x), (y)) -#define ENA_MAX8(x, y) RTE_MAX((x), (y)) -#define ENA_MIN32(x, y) RTE_MIN((x), (y)) -#define ENA_MIN16(x, y) RTE_MIN((x), (y)) -#define ENA_MIN8(x, y) RTE_MIN((x), (y)) +#define ENA_MAX_T(type, x, y) RTE_MAX((type)(x), (type)(y)) +#define ENA_MAX32(x, y) ENA_MAX_T(uint32_t, (x), (y)) +#define ENA_MAX16(x, y) ENA_MAX_T(uint16_t, (x), (y)) +#define ENA_MAX8(x, y) ENA_MAX_T(uint8_t, (x), (y)) +#define ENA_MIN_T(type, x, y) RTE_MIN((type)(x), (type)(y)) +#define ENA_MIN32(x, y) ENA_MIN_T(uint32_t, (x), (y)) +#define ENA_MIN16(x, y) ENA_MIN_T(uint16_t, (x), (y)) +#define ENA_MIN8(x, y) ENA_MIN_T(uint8_t, (x), (y)) +#define BITS_PER_LONG_LONG (__SIZEOF_LONG_LONG__ * 8) #define U64_C(x) x ## ULL #define BIT(nr) (1UL << (nr)) #define BITS_PER_LONG (__SIZEOF_LONG__ * 8) #define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) -#define GENMASK_ULL(h, l) (((U64_C(1) << ((h) - (l) + 1)) - 1) << (l)) +#define GENMASK_ULL(h, l) (((~0ULL) - (1ULL << (l)) + 1) & \ + (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) #ifdef RTE_LIBRTE_ENA_COM_DEBUG -#define ena_trc_dbg(format, arg...) \ - RTE_LOG(DEBUG, PMD, "[ENA_COM: %s] " format, __func__, ##arg) -#define ena_trc_info(format, arg...) \ - RTE_LOG(INFO, PMD, "[ENA_COM: %s] " format, __func__, ##arg) -#define ena_trc_warn(format, arg...) \ - RTE_LOG(ERR, PMD, "[ENA_COM: %s] " format, __func__, ##arg) -#define ena_trc_err(format, arg...) \ - RTE_LOG(ERR, PMD, "[ENA_COM: %s] " format, __func__, ##arg) +#define ena_trc_log(dev, level, fmt, arg...) \ + ( \ + ENA_TOUCH(dev), \ + rte_log(RTE_LOG_ ## level, ena_logtype_com, \ + "[ENA_COM: %s]" fmt, __func__, ##arg) \ + ) + +#define ena_trc_dbg(dev, format, arg...) ena_trc_log(dev, DEBUG, format, ##arg) +#define ena_trc_info(dev, format, arg...) ena_trc_log(dev, INFO, format, ##arg) +#define ena_trc_warn(dev, format, arg...) \ + ena_trc_log(dev, WARNING, format, ##arg) +#define ena_trc_err(dev, format, arg...) ena_trc_log(dev, ERR, format, ##arg) #else -#define ena_trc_dbg(format, arg...) do { } while (0) -#define ena_trc_info(format, arg...) do { } while (0) -#define ena_trc_warn(format, arg...) do { } while (0) -#define ena_trc_err(format, arg...) do { } while (0) +#define ena_trc_dbg(dev, format, arg...) ENA_TOUCH(dev) +#define ena_trc_info(dev, format, arg...) ENA_TOUCH(dev) +#define ena_trc_warn(dev, format, arg...) ENA_TOUCH(dev) +#define ena_trc_err(dev, format, arg...) ENA_TOUCH(dev) #endif /* RTE_LIBRTE_ENA_COM_DEBUG */ +#define ENA_WARN(cond, dev, format, arg...) \ + do { \ + if (unlikely(cond)) { \ + ena_trc_err(dev, \ + "Warn failed on %s:%s:%d:" format, \ + __FILE__, __func__, __LINE__, ##arg); \ + } \ + } while (0) + /* Spinlock related methods */ #define ena_spinlock_t rte_spinlock_t -#define ENA_SPINLOCK_INIT(spinlock) rte_spinlock_init(&spinlock) -#define ENA_SPINLOCK_LOCK(spinlock, flags) \ - ({(void)flags; rte_spinlock_lock(&spinlock); }) -#define ENA_SPINLOCK_UNLOCK(spinlock, flags) \ +#define ENA_SPINLOCK_INIT(spinlock) rte_spinlock_init(&(spinlock)) +#define ENA_SPINLOCK_LOCK(spinlock, flags) \ + ({(void)flags; rte_spinlock_lock(&(spinlock)); }) +#define ENA_SPINLOCK_UNLOCK(spinlock, flags) \ ({(void)flags; rte_spinlock_unlock(&(spinlock)); }) - -#define q_waitqueue_t \ - struct { \ - pthread_cond_t cond; \ - pthread_mutex_t mutex; \ - } - -#define ena_wait_queue_t q_waitqueue_t - -#define ENA_WAIT_EVENT_INIT(waitqueue) \ - do { \ - pthread_mutex_init(&(waitqueue).mutex, NULL); \ - pthread_cond_init(&(waitqueue).cond, NULL); \ +#define ENA_SPINLOCK_DESTROY(spinlock) ((void)(spinlock)) + +typedef struct { + pthread_cond_t cond; + pthread_mutex_t mutex; + uint8_t flag; +} ena_wait_event_t; + +#define ENA_WAIT_EVENT_INIT(waitevent) \ + do { \ + ena_wait_event_t *_we = &(waitevent); \ + pthread_mutex_init(&_we->mutex, NULL); \ + pthread_cond_init(&_we->cond, NULL); \ + _we->flag = 0; \ } while (0) -#define ENA_WAIT_EVENT_WAIT(waitevent, timeout) \ - do { \ - struct timespec wait; \ - struct timeval now; \ - unsigned long timeout_us; \ - gettimeofday(&now, NULL); \ - wait.tv_sec = now.tv_sec + timeout / 1000000UL; \ - timeout_us = timeout % 1000000UL; \ - wait.tv_nsec = (now.tv_usec + timeout_us) * 1000UL; \ - pthread_mutex_lock(&waitevent.mutex); \ - pthread_cond_timedwait(&waitevent.cond, \ - &waitevent.mutex, &wait); \ - pthread_mutex_unlock(&waitevent.mutex); \ +#define ENA_WAIT_EVENT_WAIT(waitevent, timeout) \ + do { \ + ena_wait_event_t *_we = &(waitevent); \ + typeof(timeout) _tmo = (timeout); \ + int ret = 0; \ + struct timespec wait; \ + struct timeval now; \ + unsigned long timeout_us; \ + gettimeofday(&now, NULL); \ + wait.tv_sec = now.tv_sec + _tmo / 1000000UL; \ + timeout_us = _tmo % 1000000UL; \ + wait.tv_nsec = (now.tv_usec + timeout_us) * 1000UL; \ + pthread_mutex_lock(&_we->mutex); \ + while (ret == 0 && !_we->flag) { \ + ret = pthread_cond_timedwait(&_we->cond, \ + &_we->mutex, &wait); \ + } \ + /* Asserts only if not working on ena_wait_event_t */ \ + if (unlikely(ret != 0 && ret != ETIMEDOUT)) \ + ena_trc_err(NULL, \ + "Invalid wait event. pthread ret: %d\n", ret); \ + else if (unlikely(ret == ETIMEDOUT)) \ + ena_trc_err(NULL, \ + "Timeout waiting for " #waitevent "\n"); \ + _we->flag = 0; \ + pthread_mutex_unlock(&_we->mutex); \ + } while (0) +#define ENA_WAIT_EVENT_SIGNAL(waitevent) \ + do { \ + ena_wait_event_t *_we = &(waitevent); \ + pthread_mutex_lock(&_we->mutex); \ + _we->flag = 1; \ + pthread_cond_signal(&_we->cond); \ + pthread_mutex_unlock(&_we->mutex); \ } while (0) -#define ENA_WAIT_EVENT_SIGNAL(waitevent) pthread_cond_signal(&waitevent.cond) /* pthread condition doesn't need to be rearmed after usage */ #define ENA_WAIT_EVENT_CLEAR(...) +#define ENA_WAIT_EVENT_DESTROY(waitevent) ((void)(waitevent)) -#define ena_wait_event_t ena_wait_queue_t #define ENA_MIGHT_SLEEP() -#define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, handle) \ - do { \ - const struct rte_memzone *mz; \ - char z_name[RTE_MEMZONE_NAMESIZE]; \ - (void)dmadev; (void)handle; \ - snprintf(z_name, sizeof(z_name), \ - "ena_alloc_%d", ena_alloc_cnt++); \ - mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, 0); \ - virt = mz->addr; \ - phys = mz->phys_addr; \ +#define ena_time_t uint64_t +#define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles()) +#define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \ + ((timeout_us) * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles()) + +/* + * Each rte_memzone should have unique name. + * To satisfy it, count number of allocations and add it to name. + */ +extern rte_atomic64_t ena_alloc_cnt; + +#define ENA_MEM_ALLOC_COHERENT_ALIGNED( \ + dmadev, size, virt, phys, mem_handle, alignment) \ + do { \ + const struct rte_memzone *mz = NULL; \ + ENA_TOUCH(dmadev); \ + if ((size) > 0) { \ + char z_name[RTE_MEMZONE_NAMESIZE]; \ + snprintf(z_name, sizeof(z_name), \ + "ena_alloc_%" PRIi64 "", \ + rte_atomic64_add_return(&ena_alloc_cnt, 1)); \ + mz = rte_memzone_reserve_aligned(z_name, (size), \ + SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG,\ + alignment); \ + mem_handle = mz; \ + } \ + if (mz == NULL) { \ + virt = NULL; \ + phys = 0; \ + } else { \ + memset(mz->addr, 0, (size)); \ + virt = mz->addr; \ + phys = mz->iova; \ + } \ + } while (0) +#define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, mem_handle) \ + ENA_MEM_ALLOC_COHERENT_ALIGNED(dmadev, size, virt, phys, \ + mem_handle, RTE_CACHE_LINE_SIZE) +#define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, mem_handle) \ + ({ ENA_TOUCH(size); ENA_TOUCH(phys); ENA_TOUCH(dmadev); \ + rte_memzone_free(mem_handle); }) + +#define ENA_MEM_ALLOC_COHERENT_NODE_ALIGNED( \ + dmadev, size, virt, phys, mem_handle, node, dev_node, alignment) \ + do { \ + const struct rte_memzone *mz = NULL; \ + ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \ + if ((size) > 0) { \ + char z_name[RTE_MEMZONE_NAMESIZE]; \ + snprintf(z_name, sizeof(z_name), \ + "ena_alloc_%" PRIi64 "", \ + rte_atomic64_add_return(&ena_alloc_cnt, 1)); \ + mz = rte_memzone_reserve_aligned(z_name, (size), \ + node, RTE_MEMZONE_IOVA_CONTIG, alignment); \ + mem_handle = mz; \ + } \ + if (mz == NULL) { \ + virt = NULL; \ + phys = 0; \ + } else { \ + memset(mz->addr, 0, (size)); \ + virt = mz->addr; \ + phys = mz->iova; \ + } \ + } while (0) +#define ENA_MEM_ALLOC_COHERENT_NODE( \ + dmadev, size, virt, phys, mem_handle, node, dev_node) \ + ENA_MEM_ALLOC_COHERENT_NODE_ALIGNED(dmadev, size, virt, phys, \ + mem_handle, node, dev_node, RTE_CACHE_LINE_SIZE) +#define ENA_MEM_ALLOC_NODE(dmadev, size, virt, node, dev_node) \ + do { \ + ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \ + virt = rte_zmalloc_socket(NULL, size, 0, node); \ } while (0) -#define ENA_MEM_FREE_COHERENT(dmadev, size, virt, phys, handle) \ - ({(void)size; rte_free(virt); }) -#define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1) -#define ENA_MEM_FREE(dmadev, ptr) ({(void)dmadev; rte_free(ptr); }) -static inline void writel(u32 value, volatile void *addr) -{ - *(volatile u32 *)addr = value; -} +#define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1) +#define ENA_MEM_FREE(dmadev, ptr, size) \ + ({ ENA_TOUCH(dmadev); ENA_TOUCH(size); rte_free(ptr); }) -static inline u32 readl(const volatile void *addr) -{ - return *(const volatile u32 *)addr; -} +#define ENA_DB_SYNC(mem_handle) ((void)mem_handle) -#define ENA_REG_WRITE32(value, reg) writel((value), (reg)) -#define ENA_REG_READ32(reg) readl((reg)) +#define ENA_REG_WRITE32(bus, value, reg) \ + ({ (void)(bus); rte_write32((value), (reg)); }) +#define ENA_REG_WRITE32_RELAXED(bus, value, reg) \ + ({ (void)(bus); rte_write32_relaxed((value), (reg)); }) +#define ENA_REG_READ32(bus, reg) \ + ({ (void)(bus); rte_read32_relaxed((reg)); }) #define ATOMIC32_INC(i32_ptr) rte_atomic32_inc(i32_ptr) #define ATOMIC32_DEC(i32_ptr) rte_atomic32_dec(i32_ptr) @@ -215,10 +297,45 @@ static inline u32 readl(const volatile void *addr) #define msleep(x) rte_delay_us(x * 1000) #define udelay(x) rte_delay_us(x) +#define dma_rmb() rmb() + #define MAX_ERRNO 4095 #define IS_ERR(x) (((unsigned long)x) >= (unsigned long)-MAX_ERRNO) #define ERR_PTR(error) ((void *)(long)error) #define PTR_ERR(error) ((long)(void *)error) #define might_sleep() +#define prefetch(x) rte_prefetch0(x) +#define prefetchw(x) rte_prefetch0_write(x) + +#define lower_32_bits(x) ((uint32_t)(x)) +#define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16)) + +#define ENA_TIME_EXPIRE(timeout) (timeout < rte_get_timer_cycles()) +#define ENA_GET_SYSTEM_TIMEOUT(timeout_us) \ + ((timeout_us) * rte_get_timer_hz() / 1000000 + rte_get_timer_cycles()) +#define ENA_WAIT_EVENTS_DESTROY(admin_queue) ((void)(admin_queue)) + +/* The size must be 8 byte align */ +#define ENA_MEMCPY_TO_DEVICE_64(dst, src, size) \ + do { \ + int count, i; \ + uint64_t *to = (uint64_t *)(dst); \ + const uint64_t *from = (const uint64_t *)(src); \ + count = (size) / 8; \ + for (i = 0; i < count; i++, from++, to++) \ + rte_write64_relaxed(*from, to); \ + } while(0) + +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) + +#define ENA_FFS(x) ffs(x) + +void ena_rss_key_fill(void *key, size_t size); + +#define ENA_RSS_FILL_KEY(key, size) ena_rss_key_fill(key, size) + +#define ENA_INTR_INITIAL_TX_INTERVAL_USECS_PLAT 0 + +#include "ena_includes.h" #endif /* DPDK_ENA_COM_ENA_PLAT_DPDK_H_ */