1 #ifndef _XSEG_SYS_UTIL_H
2 #define _XSEG_SYS_UTIL_H
5 #include <sys/domain.h>
11 #define FMTARG(fmt, arg, format, ...) fmt format "%s", arg, ## __VA_ARGS__
12 #define XSEGLOG(...) (xseg_snprintf(__xseg_errbuf, 4096, FMTARG("%s: ", __func__, ## __VA_ARGS__, "")), \
13 __xseg_errbuf[4095] = 0, __xseg_log(__xseg_errbuf))
15 #define XSEGLOG2(__ctx, __level, ...) \
17 if (__level <= ((__ctx)->log_level)) { \
18 __xseg_log2(__ctx, __level, FMTARG("%s: ", __func__, ## __VA_ARGS__ ,"")); \
22 /* general purpose xflags */
23 #define X_ALLOC ((uint32_t) (1 << 0))
24 #define X_LOCAL ((uint32_t) (1 << 1))
27 typedef uint64_t xpointer;
29 /* type to be used as absolute pointer
30 * this should be the same as xqindex
31 * and must fit into a pointer type
33 typedef uint64_t xptr;
35 #define Noneidx ((xqindex)-1)
36 #define Null ((xpointer)-1)
38 #define __align(x, shift) (((((x) -1) >> (shift)) +1) << (shift))
40 #define XPTR_TYPE(ptrtype) \
46 #define XPTRI(xptraddr) \
47 ( (xpointer)(unsigned long)(xptraddr) + \
50 #define XPTRISET(xptraddr, ptrval) \
51 ((xptraddr)->x = (xpointer)(ptrval) - \
52 (xpointer)(unsigned long)(xptraddr) )
54 #define XPTR(xptraddr) \
55 ( (typeof((xptraddr)->t)) \
57 ( (xpointer)(unsigned long)(xptraddr) + \
60 #define XPTRSET(xptraddr, ptrval) \
61 ((xptraddr)->x = (xpointer)(unsigned long)(ptrval) - \
62 (xpointer)(unsigned long)(xptraddr) )
66 #define XPTR_OFFSET(base, ptr) ((unsigned long)(ptr) - (unsigned long)(base))
68 #define XPTR_MAKE(ptrval, base) ((xptr) XPTR_OFFSET(base, ptrval))
70 #define XPTR_TAKE(xptrval, base) \
71 ( (void *) ( (unsigned long) base + (unsigned long) xptrval))