1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Huawei Technologies Co., Ltd
5 #ifndef _HINIC_COMPAT_H_
6 #define _HINIC_COMPAT_H_
12 #include <rte_common.h>
13 #include <rte_byteorder.h>
14 #include <rte_memzone.h>
15 #include <rte_memcpy.h>
16 #include <rte_malloc.h>
17 #include <rte_atomic.h>
18 #include <rte_spinlock.h>
19 #include <rte_cycles.h>
21 #include <rte_config.h>
31 typedef uint64_t dma_addr_t;
35 #define gfp_t unsigned
59 #define NULL ((void *)0)
62 #define HINIC_ERROR (-1)
66 #define BIT(n) (1 << (n))
69 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
70 #define lower_32_bits(n) ((u32)(n))
72 /* Returns X / Y, rounding up. X must be nonnegative to round correctly. */
73 #define DIV_ROUND_UP(X, Y) (((X) + ((Y) - 1)) / (Y))
75 /* Returns X rounded up to the nearest multiple of Y. */
76 #define ROUND_UP(X, Y) (DIV_ROUND_UP(X, Y) * (Y))
79 #define ALIGN(x, a) RTE_ALIGN(x, a)
81 #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
83 /* Reported driver name. */
84 #define HINIC_DRIVER_NAME "net_hinic"
86 extern int hinic_logtype;
88 #define PMD_DRV_LOG(level, fmt, args...) \
89 rte_log(RTE_LOG_ ## level, hinic_logtype, \
90 HINIC_DRIVER_NAME": " fmt "\n", ##args)
92 /* common definition */
98 #define VLAN_PRIO_SHIFT 13
99 #define VLAN_N_VID 4096
101 /* bit order interface */
102 #define cpu_to_be16(o) rte_cpu_to_be_16(o)
103 #define cpu_to_be32(o) rte_cpu_to_be_32(o)
104 #define cpu_to_be64(o) rte_cpu_to_be_64(o)
105 #define cpu_to_le32(o) rte_cpu_to_le_32(o)
106 #define be16_to_cpu(o) rte_be_to_cpu_16(o)
107 #define be32_to_cpu(o) rte_be_to_cpu_32(o)
108 #define be64_to_cpu(o) rte_be_to_cpu_64(o)
109 #define le32_to_cpu(o) rte_le_to_cpu_32(o)
111 /* virt memory and dma phy memory */
113 #define GFP_KERNEL RTE_MEMZONE_IOVA_CONTIG
114 #define HINIC_PAGE_SHIFT 12
115 #define HINIC_PAGE_SIZE RTE_PGSIZE_4K
116 #define HINIC_MEM_ALLOC_ALIGN_MIN 8
118 #define HINIC_PAGE_SIZE_DPDK 6
120 static inline int hinic_test_bit(int nr, volatile unsigned long *addr)
124 res = ((*addr) & (1UL << nr)) != 0;
128 static inline void hinic_set_bit(unsigned int nr, volatile unsigned long *addr)
130 __sync_fetch_and_or(addr, (1UL << nr));
133 static inline void hinic_clear_bit(int nr, volatile unsigned long *addr)
135 __sync_fetch_and_and(addr, ~(1UL << nr));
138 static inline int hinic_test_and_clear_bit(int nr, volatile unsigned long *addr)
140 unsigned long mask = (1UL << nr);
142 return __sync_fetch_and_and(addr, ~mask) & mask;
145 static inline int hinic_test_and_set_bit(int nr, volatile unsigned long *addr)
147 unsigned long mask = (1UL << nr);
149 return __sync_fetch_and_or(addr, mask) & mask;
152 void *dma_zalloc_coherent(void *dev, size_t size, dma_addr_t *dma_handle,
154 void *dma_zalloc_coherent_aligned(void *dev, size_t size,
155 dma_addr_t *dma_handle, gfp_t flag);
156 void *dma_zalloc_coherent_aligned256k(void *dev, size_t size,
157 dma_addr_t *dma_handle, gfp_t flag);
158 void dma_free_coherent(void *dev, size_t size, void *virt, dma_addr_t phys);
160 /* dma pool alloc and free */
161 #define pci_pool dma_pool
162 #define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
163 #define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
165 struct dma_pool *dma_pool_create(const char *name, void *dev, size_t size,
166 size_t align, size_t boundary);
167 void dma_pool_destroy(struct dma_pool *pool);
168 void *dma_pool_alloc(struct pci_pool *pool, int flags, dma_addr_t *dma_addr);
169 void dma_pool_free(struct pci_pool *pool, void *vaddr, dma_addr_t dma);
171 #define kzalloc(size, flag) rte_zmalloc(NULL, size, HINIC_MEM_ALLOC_ALIGN_MIN)
172 #define kzalloc_aligned(size, flag) rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE)
173 #define kfree(ptr) rte_free(ptr)
176 static inline void writel(u32 value, volatile void *addr)
178 *(volatile u32 *)addr = value;
181 static inline u32 readl(const volatile void *addr)
183 return *(const volatile u32 *)addr;
186 #define __raw_writel(value, reg) writel((value), (reg))
187 #define __raw_readl(reg) readl((reg))
189 /* Spinlock related interface */
190 #define hinic_spinlock_t rte_spinlock_t
192 #define spinlock_t rte_spinlock_t
193 #define spin_lock_init(spinlock_prt) rte_spinlock_init(spinlock_prt)
194 #define spin_lock_deinit(lock)
195 #define spin_lock(spinlock_prt) rte_spinlock_lock(spinlock_prt)
196 #define spin_unlock(spinlock_prt) rte_spinlock_unlock(spinlock_prt)
198 static inline unsigned long get_timeofday_ms(void)
202 (void)gettimeofday(&tv, NULL);
204 return (unsigned long)tv.tv_sec * 1000 + tv.tv_usec / 1000;
207 #define jiffies get_timeofday_ms()
208 #define msecs_to_jiffies(ms) (ms)
209 #define time_before(now, end) ((now) < (end))
211 /* misc kernel utils */
212 static inline u16 ilog2(u32 n)
224 static inline int hinic_mutex_init(pthread_mutex_t *pthreadmutex,
225 const pthread_mutexattr_t *mattr)
229 err = pthread_mutex_init(pthreadmutex, mattr);
231 PMD_DRV_LOG(ERR, "Fail to initialize mutex, error: %d", err);
236 static inline int hinic_mutex_destroy(pthread_mutex_t *pthreadmutex)
240 err = pthread_mutex_destroy(pthreadmutex);
242 PMD_DRV_LOG(ERR, "Fail to destroy mutex, error: %d", err);
247 static inline int hinic_mutex_lock(pthread_mutex_t *pthreadmutex)
251 err = pthread_mutex_lock(pthreadmutex);
254 } else if (err == EOWNERDEAD) {
255 PMD_DRV_LOG(ERR, "Mutex lock failed. (ErrorNo=%d)", errno);
256 #if defined(__GLIBC__)
257 #if __GLIBC_PREREQ(2, 12)
258 (void)pthread_mutex_consistent(pthreadmutex);
260 (void)pthread_mutex_consistent_np(pthreadmutex);
263 (void)pthread_mutex_consistent(pthreadmutex);
266 PMD_DRV_LOG(ERR, "Mutex lock failed. (ErrorNo=%d)", errno);
272 static inline int hinic_mutex_unlock(pthread_mutex_t *pthreadmutex)
274 return pthread_mutex_unlock(pthreadmutex);
277 #endif /* _HINIC_COMPAT_H_ */