From 8439322930a4cebdeb3c7ec1438f33d65fea9fc5 Mon Sep 17 00:00:00 2001 From: Pete Nelson Date: Thu, 27 Jun 2013 13:27:40 -0400 Subject: [PATCH] buse.h: use distro's nbd.h instead of copy/paste --- buse.h | 55 +------------------------------------------------------ 1 file changed, 1 insertion(+), 54 deletions(-) diff --git a/buse.h b/buse.h index 96c6298..4cedf1b 100644 --- a/buse.h +++ b/buse.h @@ -8,60 +8,7 @@ extern "C" { /* Most of this file was copied from nbd.h in the nbd distribution. */ #include #include - -#define NBD_SET_SOCK _IO( 0xab, 0 ) -#define NBD_SET_BLKSIZE _IO( 0xab, 1 ) -#define NBD_SET_SIZE _IO( 0xab, 2 ) -#define NBD_DO_IT _IO( 0xab, 3 ) -#define NBD_CLEAR_SOCK _IO( 0xab, 4 ) -#define NBD_CLEAR_QUE _IO( 0xab, 5 ) -#define NBD_PRINT_DEBUG _IO( 0xab, 6 ) -#define NBD_SET_SIZE_BLOCKS _IO( 0xab, 7 ) -#define NBD_DISCONNECT _IO( 0xab, 8 ) -#define NBD_SET_TIMEOUT _IO( 0xab, 9 ) -#define NBD_SET_FLAGS _IO( 0xab, 10 ) - - enum { - NBD_CMD_READ = 0, - NBD_CMD_WRITE = 1, - NBD_CMD_DISC = 2, - NBD_CMD_FLUSH = 3, - NBD_CMD_TRIM = 4 - }; - - /* values for flags field */ -#define NBD_FLAG_HAS_FLAGS (1 << 0) /* Flags are there */ -#define NBD_FLAG_READ_ONLY (1 << 1) /* Device is read-only */ -#define NBD_FLAG_SEND_FLUSH (1 << 2) /* Send FLUSH */ -#define NBD_FLAG_SEND_FUA (1 << 3) /* Send FUA (Force Unit Access) */ -#define NBD_FLAG_ROTATIONAL (1 << 4) /* Use elevator algorithm - rotational media */ -#define NBD_FLAG_SEND_TRIM (1 << 5) /* send trim/discard */ - - /* Magic numbers */ -#define NBD_REQUEST_MAGIC 0x25609513 -#define NBD_REPLY_MAGIC 0x67446698 - - /* - * This is the packet used for communication between client and - * server. All data are in network byte order. - */ - struct nbd_request { - __be32 magic; - __be32 type; /* == READ || == WRITE */ - char handle[8]; - __be64 from; - __be32 len; - } __attribute__ ((packed)); - - /* - * This is the reply packet that nbd-server sends back to the client after - * it has completed an I/O request (or an error occurs). - */ - struct nbd_reply { - __be32 magic; - __be32 error; /* 0 = ok, else error */ - char handle[8]; /* handle you got from request */ - }; +#include struct buse_operations { int (*read)(void *buf, u_int32_t len, u_int64_t offset, void *userdata);