Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging

[qemu.git] / include / qemu-common.h

diff --git a/include/qemu-common.h b/include/qemu-common.h
index 2371132c11ce00f4c81a88a790e03304428cd72a..a998e8d36c85c2f0f33d1a60d8fc166f2ac510e5 100644 (file)
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -84,20 +84,6 @@
 # error Unknown pointer size
 #endif
 
-#ifndef CONFIG_IOVEC
-#define CONFIG_IOVEC
-struct iovec {
-    void *iov_base;
-    size_t iov_len;
-};
-/*
- * Use the same value as Linux for now.
- */
-#define IOV_MAX                1024
-#else
-#include <sys/uio.h>
-#endif
-
 typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
     GCC_FMT_ATTR(2, 3);
 
@@ -122,16 +108,12 @@ static inline char *realpath(const char *path, char *resolved_path)
 void configure_icount(const char *option);
 extern int use_icount;
 
-/* FIXME: Remove NEED_CPU_H.  */
-#ifndef NEED_CPU_H
-
 #include "qemu/osdep.h"
 #include "qemu/bswap.h"
 
-#else
-
+/* FIXME: Remove NEED_CPU_H.  */
+#ifdef NEED_CPU_H
 #include "cpu.h"
-
 #endif /* !defined(NEED_CPU_H) */
 
 /* main function, renamed */
@@ -179,6 +161,7 @@ char *pstrcat(char *buf, int buf_size, const char *s);
 int strstart(const char *str, const char *val, const char **ptr);
 int stristart(const char *str, const char *val, const char **ptr);
 int qemu_strnlen(const char *s, int max_len);
+char *qemu_strsep(char **input, const char *delim);
 time_t mktimegm(struct tm *tm);
 int qemu_fls(int i);
 int qemu_fdatasync(int fd);
@@ -196,6 +179,8 @@ int parse_uint_full(const char *s, unsigned long long *value, int base);
  * A-Z, as strtosz() will use qemu_toupper() on the given argument
  * prior to comparison.
  */
+#define STRTOSZ_DEFSUFFIX_EB   'E'
+#define STRTOSZ_DEFSUFFIX_PB   'P'
 #define STRTOSZ_DEFSUFFIX_TB   'T'
 #define STRTOSZ_DEFSUFFIX_GB   'G'
 #define STRTOSZ_DEFSUFFIX_MB   'M'
@@ -206,6 +191,9 @@ int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
 int64_t strtosz_suffix_unit(const char *nptr, char **end,
                             const char default_suffix, int64_t unit);
 
+/* used to print char* safely */
+#define STR_OR_NULL(str) ((str) ? (str) : "null")
+
 /* path.c */
 void init_paths(const char *prefix);
 const char *path(const char *pathname);
@@ -237,6 +225,8 @@ ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
 
 #ifndef _WIN32
 int qemu_pipe(int pipefd[2]);
+/* like openpty() but also makes it raw; return master fd */
+int qemu_openpty_raw(int *aslave, char *pty_name);
 #endif
 
 #ifdef _WIN32
@@ -271,14 +261,6 @@ typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size)
 
 typedef uint64_t pcibus_t;
 
-typedef enum LostTickPolicy {
-    LOST_TICK_DISCARD,
-    LOST_TICK_DELAY,
-    LOST_TICK_MERGE,
-    LOST_TICK_SLEW,
-    LOST_TICK_MAX
-} LostTickPolicy;
-
 typedef struct PCIHostDeviceAddress {
     unsigned int domain;
     unsigned int bus;
@@ -292,8 +274,10 @@ bool tcg_enabled(void);
 void cpu_exec_init_all(void);
 
 /* CPU save/load.  */
+#ifdef CPU_SAVE_VERSION
 void cpu_save(QEMUFile *f, void *opaque);
 int cpu_load(QEMUFile *f, void *opaque, int version_id);
+#endif
 
 /* Unblock cpu */
 void qemu_cpu_kick_self(void);
@@ -304,16 +288,9 @@ struct qemu_work_item {
     void (*func)(void *data);
     void *data;
     int done;
+    bool free;
 };
 
-#ifdef CONFIG_USER_ONLY
-static inline void qemu_init_vcpu(void *env)
-{
-}
-#else
-void qemu_init_vcpu(void *env);
-#endif
-
 
 /**
  * Sends a (part of) iovec down a socket, yielding when the socket is full, or
@@ -361,6 +338,8 @@ size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,
                            const void *buf, size_t bytes);
 size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
                          int fillc, size_t bytes);
+ssize_t qemu_iovec_compare(QEMUIOVector *a, QEMUIOVector *b);
+void qemu_iovec_clone(QEMUIOVector *dest, const QEMUIOVector *src, void *buf);
 
 bool buffer_is_zero(const void *buf, size_t len);
 
@@ -375,7 +354,7 @@ char *qemu_find_file(int type, const char *name);
 
 /* OS specific functions */
 void os_setup_early_signal_handling(void);
-char *os_find_datadir(const char *argv0);
+char *os_find_datadir(void);
 void os_parse_cmd_args(int index, const char *optarg);
 void os_pidfile_error(void);
 
@@ -442,10 +421,57 @@ int64_t pow2floor(int64_t value);
 int uleb128_encode_small(uint8_t *out, uint32_t n);
 int uleb128_decode_small(const uint8_t *in, uint32_t *n);
 
+/* unicode.c */
+int mod_utf8_codepoint(const char *s, size_t n, char **end);
+
 /*
  * Hexdump a buffer to a file. An optional string prefix is added to every line
  */
 
-void hexdump(const char *buf, FILE *fp, const char *prefix, size_t size);
+void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size);
+
+/* vector definitions */
+#ifdef __ALTIVEC__
+#include <altivec.h>
+/* The altivec.h header says we're allowed to undef these for
+ * C++ compatibility.  Here we don't care about C++, but we
+ * undef them anyway to avoid namespace pollution.
+ */
+#undef vector
+#undef pixel
+#undef bool
+#define VECTYPE        __vector unsigned char
+#define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
+#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
+/* altivec.h may redefine the bool macro as vector type.
+ * Reset it to POSIX semantics. */
+#define bool _Bool
+#elif defined __SSE2__
+#include <emmintrin.h>
+#define VECTYPE        __m128i
+#define SPLAT(p)       _mm_set1_epi8(*(p))
+#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
+#else
+#define VECTYPE        unsigned long
+#define SPLAT(p)       (*(p) * (~0UL / 255))
+#define ALL_EQ(v1, v2) ((v1) == (v2))
+#endif
+
+#define BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR 8
+static inline bool
+can_use_buffer_find_nonzero_offset(const void *buf, size_t len)
+{
+    return (len % (BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR
+                   * sizeof(VECTYPE)) == 0
+            && ((uintptr_t) buf) % sizeof(VECTYPE) == 0);
+}
+size_t buffer_find_nonzero_offset(const void *buf, size_t len);
+
+/*
+ * helper to parse debug environment variables
+ */
+int parse_debug_env(const char *name, int max, int initial);
+
+const char *qemu_ether_ntoa(const MACAddr *mac);
 
 #endif