Differential D54505 Diff 169077 sys/x86/include/bus.h

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sys/x86/include/bus.h

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	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/			*/

	#ifndef _MACHINE_BUS_H_			#ifndef _MACHINE_BUS_H_
	#define _MACHINE_BUS_H_			#define _MACHINE_BUS_H_

				#include <sys/types.h>

	#include <machine/_bus.h>			#include <machine/_bus.h>
	#include <machine/cpufunc.h>
	#include <machine/bus_dma.h>			#include <machine/bus_dma.h>
				#include <machine/cpufunc.h>

	/*			/*
	* Values for the x86 bus space tag, not to be used directly by MI code.			* Values for the x86 bus space tag, not to be used directly by MI code.
	*/			*/
	#define X86_BUS_SPACE_IO 0 /* space is i/o space */			#define X86_BUS_SPACE_IO 0 /* space is i/o space */
	#define X86_BUS_SPACE_MEM 1 /* space is mem space */			#define X86_BUS_SPACE_MEM 1 /* space is mem space */

	#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF			#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
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	#define BUS_SPACE_UNRESTRICTED (~0)			#define BUS_SPACE_UNRESTRICTED (~0)

	#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */			#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
	#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */			#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */

	#if defined(SAN_NEEDS_INTERCEPTORS) && !defined(SAN_RUNTIME)			#if defined(SAN_NEEDS_INTERCEPTORS) && !defined(SAN_RUNTIME)
	#include <sys/bus_san.h>			#include <sys/bus_san.h>
	#else			#else

				int rdmsr_safe_on_cpu(uint32_t cpuid, u_int msr, register_t *val);
				int wrmsr_safe_on_cpu(uint32_t cpuid, u_int msr, register_t val);

	/*			/*
	* Map a region of device bus space into CPU virtual address space.			* Map a region of device bus space into CPU virtual address space.
	*/			*/

	int bus_space_map(bus_space_tag_t tag, bus_addr_t addr, bus_size_t size,			int bus_space_map(bus_space_tag_t tag, bus_addr_t addr, bus_size_t size,
	int flags, bus_space_handle_t *bshp);			int flags, bus_space_handle_t *bshp);

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