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#ifndef __DOM0_DEFS_H__
#define __DOM0_DEFS_H__
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <string.h>
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned long u32;
typedef unsigned long long u64;
typedef signed char s8;
typedef signed short s16;
typedef signed long s32;
typedef signed long long s64;
#include "mem_defs.h"
#include <asm-xeno/proc_cmd.h>
#include <hypervisor-ifs/hypervisor-if.h>
#include <hypervisor-ifs/dom0_ops.h>
#define ERROR(_m) \
fprintf(stderr, "ERROR: %s\n", (_m))
#define PERROR(_m) \
fprintf(stderr, "ERROR: %s (%d = %s)\n", (_m), errno, strerror(errno))
static inline int do_privcmd(unsigned int cmd, unsigned long data)
{
int fd, ret;
if ( (fd = open("/proc/xeno/privcmd", O_RDWR)) < 0 )
{
PERROR("Could not open proc interface");
return -1;
}
if ( (ret = ioctl(fd, cmd, data)) < 0 )
{
#ifndef SILENT_ERRORS_FROM_XEN
PERROR("Error when executing privileged control ioctl");
#endif
close(fd);
return -1;
}
close(fd);
return ret;
}
static inline int xldev_to_physdev(int xldev)
{
return do_privcmd(IOCTL_PRIVCMD_LINDEV_TO_XENDEV,
(unsigned long)xldev);
}
static inline int physdev_to_xldev(int physdev)
{
return do_privcmd(IOCTL_PRIVCMD_XENDEV_TO_LINDEV,
(unsigned long)physdev);
}
static inline int do_xen_blkmsg(privcmd_blkmsg_t *blkmsg)
{
return do_privcmd(IOCTL_PRIVCMD_BLKMSG, (unsigned long)blkmsg);
}
static inline int do_xen_hypercall(privcmd_hypercall_t *hypercall)
{
return do_privcmd(IOCTL_PRIVCMD_HYPERCALL, (unsigned long)hypercall);
}
static inline int do_dom0_op(dom0_op_t *op)
{
int ret = -1;
privcmd_hypercall_t hypercall;
hypercall.op = __HYPERVISOR_dom0_op;
hypercall.arg[0] = (unsigned long)op;
if ( mlock(op, sizeof(*op)) != 0 )
{
PERROR("Could not lock memory for Xen hypercall");
goto out1;
}
if ( do_xen_hypercall(&hypercall) < 0 )
goto out2;
ret = 0;
out2: (void)munlock(op, sizeof(*op));
out1: return ret;
}
static inline int do_network_op(network_op_t *op)
{
int ret = -1;
privcmd_hypercall_t hypercall;
hypercall.op = __HYPERVISOR_network_op;
hypercall.arg[0] = (unsigned long)op;
if ( mlock(op, sizeof(*op)) != 0 )
{
PERROR("Could not lock memory for Xen hypercall");
goto out1;
}
if ( do_xen_hypercall(&hypercall) < 0 )
goto out2;
ret = 0;
out2: (void)munlock(op, sizeof(*op));
out1: return ret;
}
#endif /* __DOM0_DEFS_H__ */
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