Current Path : /sys/contrib/rdma/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/contrib/rdma/types.h |
/* * $FreeBSD: release/9.1.0/sys/contrib/rdma/types.h 178791 2008-05-05 19:39:20Z kmacy $ */ #ifndef __RDMA_TYPES_H_ #define __RDMA_TYPES_H_ #include <sys/types.h> #include <sys/malloc.h> typedef uint8_t u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef uint8_t __u8; typedef uint16_t __u16; typedef uint32_t __u32; typedef uint64_t __u64; typedef uint8_t __be8; typedef uint16_t __be16; typedef uint32_t __be32; typedef uint64_t __be64; typedef int32_t __s32; #define LINUX_TYPES_DEFINED #define ERR_PTR(err) ((void *)((long)(err))) #define IS_ERR(ptr) ((unsigned long)(ptr) > (unsigned long)(-1000)) #define PTR_ERR(ptr) ((long)(ptr)) #ifndef PANIC_IF #define PANIC_IF(exp) do { \ if (exp) \ panic("BUG func %s line %u: %s", __FUNCTION__, __LINE__, #exp); \ } while (0) #endif #define container_of(p, stype, field) ((stype *)(((uint8_t *)(p)) - offsetof(stype, field))) static __inline int find_first_zero_bit(volatile void *p, int max) { int b; volatile int *ptr = (volatile int *)p; for (b = 0; b < max; b += 32) { if (ptr[b >> 5] != ~0) { for (;;) { if ((ptr[b >> 5] & (1 << (b & 0x1f))) == 0) return (b); b++; } } } return (max); } struct kvl { struct kvl *next; unsigned int key; void *value; }; #define DEFINE_KVL(x) struct kvl x; static __inline void * kvl_lookup(struct kvl *x, uint32_t key) { struct kvl *i; for (i=x->next;i;i=i->next) if (i->key==key) return(i->value); return(0); } static __inline int kvl_alloc_above(struct kvl *idp, void *ptr, int starting_id, int *id) { int newid = starting_id; struct kvl *i; for (i=idp->next;i;i=i->next) if (i->key == newid) return -EEXIST; i=malloc(sizeof(struct kvl),M_TEMP,M_NOWAIT); i->key=newid; i->value=ptr; i->next=idp->next; idp->next=i; *id = newid; return(0); } static __inline void kvl_delete(struct kvl *idp, int id) { /* leak */ struct kvl *i, *prev=NULL; for (i=idp->next;i;prev=i,i=i->next) if ((i)->key==id) { if (!prev) idp->next = i->next; else prev->next = i->next; free(i, M_TEMP); return; } } static __inline void kvl_free(struct kvl *idp) { struct kvl *i, *tmp; for (i=idp->next;i;i=tmp) { tmp=i->next; free(i, M_TEMP); } idp->next = NULL; } #endif