[06/16] hw/9pfs: Add missing definitions for Windows

Commit Message

Bin Meng Oct. 24, 2022, 4:57 a.m. UTC

From: Guohuai Shi <[e-mail]>

Some definitions currently used by the 9pfs codes are only available
on POSIX platforms. Let's add our own ones in preparation to adding
9pfs support for Windows.

Signed-off-by: Guohuai Shi <[e-mail]>
Signed-off-by: Bin Meng <[e-mail]>
---

 fsdev/file-op-9p.h | 33 +++++++++++++++++++++++++++++++++
 hw/9pfs/9p.h       | 11 +++++++++++
 2 files changed, 44 insertions(+)

Patch

diff --git a/fsdev/file-op-9p.h b/fsdev/file-op-9p.h
index 4997677460..7d9a736b66 100644
--- a/fsdev/file-op-9p.h
+++ b/fsdev/file-op-9p.h
@@ -27,6 +27,39 @@ 
 # include <sys/mount.h>
 #endif
 
+#ifdef CONFIG_WIN32
+
+/* POSIX structure not defined in Windows */
+
+typedef uint32_t uid_t;
+typedef uint32_t gid_t;
+
+/* from http://man7.org/linux/man-pages/man2/statfs.2.html */
+typedef uint32_t __fsword_t;
+typedef uint32_t fsblkcnt_t;
+typedef uint32_t fsfilcnt_t;
+
+/* from linux/include/uapi/asm-generic/posix_types.h */
+typedef struct {
+    long __val[2];
+} fsid_t;
+
+struct statfs {
+    __fsword_t f_type;
+    __fsword_t f_bsize;
+    fsblkcnt_t f_blocks;
+    fsblkcnt_t f_bfree;
+    fsblkcnt_t f_bavail;
+    fsfilcnt_t f_files;
+    fsfilcnt_t f_ffree;
+    fsid_t f_fsid;
+    __fsword_t f_namelen;
+    __fsword_t f_frsize;
+    __fsword_t f_flags;
+};
+
+#endif /* CONFIG_WIN32 */
+
 #define SM_LOCAL_MODE_BITS    0600
 #define SM_LOCAL_DIR_MODE_BITS    0700
 
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index 994f952600..670f5dc4fb 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -3,13 +3,24 @@ 
 
 #include <dirent.h>
 #include <utime.h>
+#ifndef CONFIG_WIN32
 #include <sys/resource.h>
+#endif
 #include "fsdev/file-op-9p.h"
 #include "fsdev/9p-iov-marshal.h"
 #include "qemu/thread.h"
 #include "qemu/coroutine.h"
 #include "qemu/qht.h"
 
+#ifdef CONFIG_WIN32
+#define NAME_MAX            MAX_PATH
+
+/* macros required for build, values do not matter */
+#define AT_SYMLINK_NOFOLLOW 0x100   /* Do not follow symbolic links */
+#define AT_REMOVEDIR        0x200   /* Remove directory instead of file */
+#define O_DIRECTORY         02000000
+#endif
+
 enum {
     P9_TLERROR = 6,
     P9_RLERROR,