log: add log stream accessor
[dpdk.git] / drivers / net / ena / base / ena_plat_dpdk.h
index 71a8c1e..9e1492c 100644 (file)
@@ -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) 2015-2019 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_
@@ -48,6 +20,7 @@
 #include <rte_log.h>
 #include <rte_malloc.h>
 #include <rte_memzone.h>
+#include <rte_prefetch.h>
 #include <rte_spinlock.h>
 
 #include <sys/time.h>
@@ -73,10 +46,10 @@ typedef uint64_t dma_addr_t;
 #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 ____cacheline_aligned __rte_cache_aligned
 
@@ -88,19 +61,22 @@ typedef uint64_t dma_addr_t;
 #define ENA_TOUCH(x) ((void)(x))
 #define memcpy_toio memcpy
 #define wmb rte_wmb
-#define rmb rte_wmb
+#define rmb rte_rmb
 #define mb rte_mb
+#define mmiowb rte_io_wmb
 #define __iomem
 
 #define US_PER_S 1000000
 #define ENA_GET_SYSTEM_USECS()                                         \
        (rte_get_timer_cycles() * US_PER_S / rte_get_timer_hz())
 
-#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
+extern int ena_logtype_com;
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
 #define ENA_ASSERT(cond, format, arg...)                               \
        do {                                                            \
                if (unlikely(!(cond))) {                                \
-                       RTE_LOG(ERR, PMD, format, ##arg);               \
+                       rte_log(RTE_LOGTYPE_ERR, ena_logtype_com,       \
+                               format, ##arg);                         \
                        rte_panic("line %d\tassert \"" #cond "\""       \
                                        "failed\n", __LINE__);          \
                }                                                       \
@@ -116,21 +92,23 @@ typedef uint64_t dma_addr_t;
 #define ENA_MIN16(x, y) RTE_MIN((x), (y))
 #define ENA_MIN8(x, y) RTE_MIN((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(level, fmt, arg...) \
+       rte_log(RTE_LOG_ ## level, ena_logtype_com, \
+               "[ENA_COM: %s]" fmt, __func__, ##arg)
+
+#define ena_trc_dbg(format, arg...)    ena_trc_log(DEBUG, format, ##arg)
+#define ena_trc_info(format, arg...)   ena_trc_log(INFO, format, ##arg)
+#define ena_trc_warn(format, arg...)   ena_trc_log(WARNING, format, ##arg)
+#define ena_trc_err(format, arg...)    ena_trc_log(ERR, format, ##arg)
 #else
 #define ena_trc_dbg(format, arg...) do { } while (0)
 #define ena_trc_info(format, arg...) do { } while (0)
@@ -138,6 +116,15 @@ typedef uint64_t dma_addr_t;
 #define ena_trc_err(format, arg...) do { } while (0)
 #endif /* RTE_LIBRTE_ENA_COM_DEBUG */
 
+#define ENA_WARN(cond, format, arg...)                                 \
+do {                                                                   \
+       if (unlikely(cond)) {                                           \
+               ena_trc_err(                                            \
+                       "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)
@@ -145,6 +132,7 @@ typedef uint64_t dma_addr_t;
        ({(void)flags; rte_spinlock_lock(&spinlock); })
 #define ENA_SPINLOCK_UNLOCK(spinlock, flags)                           \
        ({(void)flags; rte_spinlock_unlock(&(spinlock)); })
+#define ENA_SPINLOCK_DESTROY(spinlock) ((void)spinlock)
 
 #define q_waitqueue_t                  \
        struct {                        \
@@ -177,10 +165,21 @@ typedef uint64_t dma_addr_t;
 #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(waitqueue) ((void)(waitqueue))
 
 #define ena_wait_event_t ena_wait_queue_t
 #define ENA_MIGHT_SLEEP()
 
+#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 uint32_t ena_alloc_cnt;
+
 #define ENA_MEM_ALLOC_COHERENT(dmadev, size, virt, phys, handle)       \
        do {                                                            \
                const struct rte_memzone *mz;                           \
@@ -188,47 +187,61 @@ typedef uint64_t dma_addr_t;
                ENA_TOUCH(dmadev); ENA_TOUCH(handle);                   \
                snprintf(z_name, sizeof(z_name),                        \
                                "ena_alloc_%d", ena_alloc_cnt++);       \
-               mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, 0); \
-               memset(mz->addr, 0, size);                              \
-               virt = mz->addr;                                        \
-               phys = mz->phys_addr;                                   \
+               mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY,   \
+                               RTE_MEMZONE_IOVA_CONTIG);               \
                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_FREE_COHERENT(dmadev, size, virt, phys, handle)        \
                ({ ENA_TOUCH(size); ENA_TOUCH(phys);                    \
                   ENA_TOUCH(dmadev);                                   \
                   rte_memzone_free(handle); })
 
-#define ENA_MEM_ALLOC_COHERENT_NODE(dmadev, size, virt, phys, node, dev_node) \
+#define ENA_MEM_ALLOC_COHERENT_NODE(                                   \
+       dmadev, size, virt, phys, mem_handle, node, dev_node)           \
        do {                                                            \
                const struct rte_memzone *mz;                           \
                char z_name[RTE_MEMZONE_NAMESIZE];                      \
                ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);                 \
                snprintf(z_name, sizeof(z_name),                        \
                                "ena_alloc_%d", ena_alloc_cnt++);       \
-               mz = rte_memzone_reserve(z_name, size, node, 0); \
-               memset(mz->addr, 0, size);                              \
-               virt = mz->addr;                                        \
-               phys = mz->phys_addr;                                   \
+               mz = rte_memzone_reserve(z_name, size, node,            \
+                               RTE_MEMZONE_IOVA_CONTIG);               \
+               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_NODE(dmadev, size, virt, node, dev_node) \
        do {                                                            \
-               const struct rte_memzone *mz;                           \
-               char z_name[RTE_MEMZONE_NAMESIZE];                      \
                ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);                 \
-               snprintf(z_name, sizeof(z_name),                        \
-                               "ena_alloc_%d", ena_alloc_cnt++);       \
-               mz = rte_memzone_reserve(z_name, size, node, 0); \
-               memset(mz->addr, 0, size);                              \
-               virt = mz->addr;                                        \
+               virt = rte_zmalloc_socket(NULL, size, 0, node);         \
        } while (0)
 
 #define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1)
 #define ENA_MEM_FREE(dmadev, ptr) ({ENA_TOUCH(dmadev); rte_free(ptr); })
 
-#define ENA_REG_WRITE32(value, reg) rte_write32_relaxed((value), (reg))
-#define ENA_REG_READ32(reg) rte_read32_relaxed((reg))
+#define ENA_DB_SYNC(mem_handle) ((void)mem_handle)
+
+#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)
@@ -238,10 +251,43 @@ typedef uint64_t dma_addr_t;
 #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 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_EVENT_DESTROY(waitqueue) ((void)(waitqueue))
+
+#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)
+
+/* 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))
+
 #endif /* DPDK_ENA_COM_ENA_PLAT_DPDK_H_ */