[mirror_qemu.git] / include / hw / xen / xen_common.h

#ifndef QEMU_HW_XEN_COMMON_H
#define QEMU_HW_XEN_COMMON_H 1

#include "config-host.h"

#include <stddef.h>
#include <inttypes.h>

#include <xenctrl.h>
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
#  include <xs.h>
#else
#  include <xenstore.h>
#endif
#include <xen/io/xenbus.h>

#include "hw/hw.h"
#include "hw/xen/xen.h"
#include "hw/pci/pci.h"
#include "qemu/queue.h"
#include "trace.h"

/*
 * We don't support Xen prior to 3.3.0.
 */

/* Xen before 4.0 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot,
                                        xen_pfn_t *arr, int *err,
                                        unsigned int num)
{
    return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
}
#endif


/* Xen before 4.1 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410

typedef int XenXC;
typedef int XenEvtchn;
typedef int XenGnttab;

#  define XC_INTERFACE_FMT "%i"
#  define XC_HANDLER_INITIAL_VALUE    -1

static inline XenEvtchn xen_xc_evtchn_open(void *logger,
                                           unsigned int open_flags)
{
    return xc_evtchn_open();
}

static inline XenGnttab xen_xc_gnttab_open(void *logger,
                                           unsigned int open_flags)
{
    return xc_gnttab_open();
}

static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
                                          unsigned int open_flags)
{
    return xc_interface_open();
}

static inline int xc_fd(int xen_xc)
{
    return xen_xc;
}


static inline int xc_domain_populate_physmap_exact
    (XenXC xc_handle, uint32_t domid, unsigned long nr_extents,
     unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start)
{
    return xc_domain_memory_populate_physmap
        (xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start);
}

static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid,
                                           unsigned int space, unsigned long idx,
                                           xen_pfn_t gpfn)
{
    struct xen_add_to_physmap xatp = {
        .domid = domid,
        .space = space,
        .idx = idx,
        .gpfn = gpfn,
    };

    return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp);
}

static inline struct xs_handle *xs_open(unsigned long flags)
{
    return xs_daemon_open();
}

static inline void xs_close(struct xs_handle *xsh)
{
    if (xsh != NULL) {
        xs_daemon_close(xsh);
    }
}


/* Xen 4.1 */
#else

typedef xc_interface *XenXC;
typedef xc_evtchn *XenEvtchn;
typedef xc_gnttab *XenGnttab;

#  define XC_INTERFACE_FMT "%p"
#  define XC_HANDLER_INITIAL_VALUE    NULL

static inline XenEvtchn xen_xc_evtchn_open(void *logger,
                                           unsigned int open_flags)
{
    return xc_evtchn_open(logger, open_flags);
}

static inline XenGnttab xen_xc_gnttab_open(void *logger,
                                           unsigned int open_flags)
{
    return xc_gnttab_open(logger, open_flags);
}

static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
                                          unsigned int open_flags)
{
    return xc_interface_open(logger, dombuild_logger, open_flags);
}

/* FIXME There is now way to have the xen fd */
static inline int xc_fd(xc_interface *xen_xc)
{
    return -1;
}
#endif

/* Xen before 4.2 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
        uint64_t addr, uint32_t data)
{
    return -ENOSYS;
}
/* The followings are only to compile op_discard related code on older
 * Xen releases. */
#define BLKIF_OP_DISCARD 5
struct blkif_request_discard {
    uint64_t nr_sectors;
    uint64_t sector_number;
};
#else
static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
        uint64_t addr, uint32_t data)
{
    return xc_hvm_inject_msi(xen_xc, dom, addr, data);
}
#endif

void destroy_hvm_domain(bool reboot);

/* shutdown/destroy current domain because of an error */
void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);

#ifdef HVM_PARAM_VMPORT_REGS_PFN
static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
                                          xen_pfn_t *vmport_regs_pfn)
{
    int rc;
    uint64_t value;
    rc = xc_hvm_param_get(xc, dom, HVM_PARAM_VMPORT_REGS_PFN, &value);
    if (rc >= 0) {
        *vmport_regs_pfn = (xen_pfn_t) value;
    }
    return rc;
}
#else
static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
                                          xen_pfn_t *vmport_regs_pfn)
{
    return -ENOSYS;
}
#endif

/* Xen before 4.6 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460

#ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC
#define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2
#endif

#endif

/* Xen before 4.5 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450

#ifndef HVM_PARAM_BUFIOREQ_EVTCHN
#define HVM_PARAM_BUFIOREQ_EVTCHN 26
#endif

#define IOREQ_TYPE_PCI_CONFIG 2

typedef uint16_t ioservid_t;

static inline void xen_map_memory_section(XenXC xc, domid_t dom,
                                          ioservid_t ioservid,
                                          MemoryRegionSection *section)
{
}

static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
                                            ioservid_t ioservid,
                                            MemoryRegionSection *section)
{
}

static inline void xen_map_io_section(XenXC xc, domid_t dom,
                                      ioservid_t ioservid,
                                      MemoryRegionSection *section)
{
}

static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
                                        ioservid_t ioservid,
                                        MemoryRegionSection *section)
{
}

static inline void xen_map_pcidev(XenXC xc, domid_t dom,
                                  ioservid_t ioservid,
                                  PCIDevice *pci_dev)
{
}

static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
                                    ioservid_t ioservid,
                                    PCIDevice *pci_dev)
{
}

static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
                                          ioservid_t *ioservid)
{
    return 0;
}

static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
                                            ioservid_t ioservid)
{
}

static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
                                            ioservid_t ioservid,
                                            xen_pfn_t *ioreq_pfn,
                                            xen_pfn_t *bufioreq_pfn,
                                            evtchn_port_t *bufioreq_evtchn)
{
    unsigned long param;
    int rc;

    rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
    if (rc < 0) {
        fprintf(stderr, "failed to get HVM_PARAM_IOREQ_PFN\n");
        return -1;
    }

    *ioreq_pfn = param;

    rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
    if (rc < 0) {
        fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_PFN\n");
        return -1;
    }

    *bufioreq_pfn = param;

    rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN,
                          &param);
    if (rc < 0) {
        fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n");
        return -1;
    }

    *bufioreq_evtchn = param;

    return 0;
}

static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
                                             ioservid_t ioservid,
                                             bool enable)
{
    return 0;
}

/* Xen 4.5 */
#else

static inline void xen_map_memory_section(XenXC xc, domid_t dom,
                                          ioservid_t ioservid,
                                          MemoryRegionSection *section)
{
    hwaddr start_addr = section->offset_within_address_space;
    ram_addr_t size = int128_get64(section->size);
    hwaddr end_addr = start_addr + size - 1;

    trace_xen_map_mmio_range(ioservid, start_addr, end_addr);
    xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 1,
                                        start_addr, end_addr);
}

static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
                                            ioservid_t ioservid,
                                            MemoryRegionSection *section)
{
    hwaddr start_addr = section->offset_within_address_space;
    ram_addr_t size = int128_get64(section->size);
    hwaddr end_addr = start_addr + size - 1;

    trace_xen_unmap_mmio_range(ioservid, start_addr, end_addr);
    xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 1,
                                            start_addr, end_addr);
}

static inline void xen_map_io_section(XenXC xc, domid_t dom,
                                      ioservid_t ioservid,
                                      MemoryRegionSection *section)
{
    hwaddr start_addr = section->offset_within_address_space;
    ram_addr_t size = int128_get64(section->size);
    hwaddr end_addr = start_addr + size - 1;

    trace_xen_map_portio_range(ioservid, start_addr, end_addr);
    xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 0,
                                        start_addr, end_addr);
}

static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
                                        ioservid_t ioservid,
                                        MemoryRegionSection *section)
{
    hwaddr start_addr = section->offset_within_address_space;
    ram_addr_t size = int128_get64(section->size);
    hwaddr end_addr = start_addr + size - 1;

    trace_xen_unmap_portio_range(ioservid, start_addr, end_addr);
    xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 0,
                                            start_addr, end_addr);
}

static inline void xen_map_pcidev(XenXC xc, domid_t dom,
                                  ioservid_t ioservid,
                                  PCIDevice *pci_dev)
{
    trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus),
                         PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
    xc_hvm_map_pcidev_to_ioreq_server(xc, dom, ioservid,
                                      0, pci_bus_num(pci_dev->bus),
                                      PCI_SLOT(pci_dev->devfn),
                                      PCI_FUNC(pci_dev->devfn));
}

static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
                                    ioservid_t ioservid,
                                    PCIDevice *pci_dev)
{
    trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus),
                           PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
    xc_hvm_unmap_pcidev_from_ioreq_server(xc, dom, ioservid,
                                          0, pci_bus_num(pci_dev->bus),
                                          PCI_SLOT(pci_dev->devfn),
                                          PCI_FUNC(pci_dev->devfn));
}

static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
                                          ioservid_t *ioservid)
{
    int rc = xc_hvm_create_ioreq_server(xc, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC,
                                        ioservid);

    if (rc == 0) {
        trace_xen_ioreq_server_create(*ioservid);
    }

    return rc;
}

static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
                                            ioservid_t ioservid)
{
    trace_xen_ioreq_server_destroy(ioservid);
    xc_hvm_destroy_ioreq_server(xc, dom, ioservid);
}

static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
                                            ioservid_t ioservid,
                                            xen_pfn_t *ioreq_pfn,
                                            xen_pfn_t *bufioreq_pfn,
                                            evtchn_port_t *bufioreq_evtchn)
{
    return xc_hvm_get_ioreq_server_info(xc, dom, ioservid,
                                        ioreq_pfn, bufioreq_pfn,
                                        bufioreq_evtchn);
}

static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
                                             ioservid_t ioservid,
                                             bool enable)
{
    trace_xen_ioreq_server_state(ioservid, enable);
    return xc_hvm_set_ioreq_server_state(xc, dom, ioservid, enable);
}

#endif

#endif /* QEMU_HW_XEN_COMMON_H */
Commit	Line	Data
d94f9486 AL	1	#ifndef QEMU_HW_XEN_COMMON_H
	2	#define QEMU_HW_XEN_COMMON_H 1
	3
d5b93ddf AP	4	#include "config-host.h"
d5b93ddf AP	5
d94f9486 AL	6	#include <stddef.h>
	7	#include <inttypes.h>
	8
	9	#include <xenctrl.h>
e108a3c1 AP	10	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
	11	# include <xs.h>
	12	#else
	13	# include <xenstore.h>
	14	#endif
d94f9486 AL	15	#include <xen/io/xenbus.h>
d94f9486 AL	16
83c9f4ca	17	#include "hw/hw.h"
0d09e41a	18	#include "hw/xen/xen.h"
3996e85c	19	#include "hw/pci/pci.h"
1de7afc9	20	#include "qemu/queue.h"
3996e85c	21	#include "trace.h"
d94f9486 AL	22
d94f9486 AL	23	/*
d5b93ddf	24	* We don't support Xen prior to 3.3.0.
d94f9486	25	*/
d5b93ddf AP	26
	27	/* Xen before 4.0 */
	28	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
	29	static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot,
	30	xen_pfn_t arr, int err,
	31	unsigned int num)
	32	{
	33	return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
	34	}
d94f9486	35	#endif
d5b93ddf AP	36
	37
	38	/* Xen before 4.1 */
	39	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410
	40
	41	typedef int XenXC;
	42	typedef int XenEvtchn;
	43	typedef int XenGnttab;
	44
	45	# define XC_INTERFACE_FMT "%i"
	46	# define XC_HANDLER_INITIAL_VALUE -1
	47
	48	static inline XenEvtchn xen_xc_evtchn_open(void *logger,
	49	unsigned int open_flags)
	50	{
	51	return xc_evtchn_open();
	52	}
	53
	54	static inline XenGnttab xen_xc_gnttab_open(void *logger,
	55	unsigned int open_flags)
	56	{
	57	return xc_gnttab_open();
	58	}
	59
	60	static inline XenXC xen_xc_interface_open(void logger, void dombuild_logger,
	61	unsigned int open_flags)
	62	{
	63	return xc_interface_open();
	64	}
	65
	66	static inline int xc_fd(int xen_xc)
	67	{
	68	return xen_xc;
	69	}
	70
	71
432d268c JN	72	static inline int xc_domain_populate_physmap_exact
	73	(XenXC xc_handle, uint32_t domid, unsigned long nr_extents,
	74	unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start)
	75	{
	76	return xc_domain_memory_populate_physmap
	77	(xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start);
	78	}
	79
b87de24e AP	80	static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid,
	81	unsigned int space, unsigned long idx,
	82	xen_pfn_t gpfn)
	83	{
	84	struct xen_add_to_physmap xatp = {
	85	.domid = domid,
	86	.space = space,
	87	.idx = idx,
	88	.gpfn = gpfn,
	89	};
	90
	91	return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp);
	92	}
	93
0f51726a SS	94	static inline struct xs_handle *xs_open(unsigned long flags)
	95	{
	96	return xs_daemon_open();
	97	}
	98
	99	static inline void xs_close(struct xs_handle *xsh)
	100	{
	101	if (xsh != NULL) {
	102	xs_daemon_close(xsh);
	103	}
	104	}
	105
432d268c	106
d5b93ddf AP	107	/* Xen 4.1 */
	108	#else
	109
	110	typedef xc_interface *XenXC;
	111	typedef xc_evtchn *XenEvtchn;
	112	typedef xc_gnttab *XenGnttab;
	113
	114	# define XC_INTERFACE_FMT "%p"
	115	# define XC_HANDLER_INITIAL_VALUE NULL
	116
	117	static inline XenEvtchn xen_xc_evtchn_open(void *logger,
	118	unsigned int open_flags)
	119	{
	120	return xc_evtchn_open(logger, open_flags);
	121	}
	122
	123	static inline XenGnttab xen_xc_gnttab_open(void *logger,
	124	unsigned int open_flags)
	125	{
	126	return xc_gnttab_open(logger, open_flags);
	127	}
	128
	129	static inline XenXC xen_xc_interface_open(void logger, void dombuild_logger,
	130	unsigned int open_flags)
	131	{
	132	return xc_interface_open(logger, dombuild_logger, open_flags);
	133	}
	134
	135	/* FIXME There is now way to have the xen fd */
	136	static inline int xc_fd(xc_interface *xen_xc)
	137	{
	138	return -1;
	139	}
d94f9486 AL	140	#endif
d94f9486 AL	141
4c9f8d1b SS	142	/* Xen before 4.2 */
	143	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
	144	static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
	145	uint64_t addr, uint32_t data)
	146	{
	147	return -ENOSYS;
	148	}
f3135204 OH	149	/* The followings are only to compile op_discard related code on older
	150	* Xen releases. */
	151	#define BLKIF_OP_DISCARD 5
	152	struct blkif_request_discard {
	153	uint64_t nr_sectors;
	154	uint64_t sector_number;
	155	};
4c9f8d1b SS	156	#else
	157	static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
	158	uint64_t addr, uint32_t data)
	159	{
	160	return xc_hvm_inject_msi(xen_xc, dom, addr, data);
	161	}
	162	#endif
	163
180640ea	164	void destroy_hvm_domain(bool reboot);
9ce94e7c	165
eaab4d60 AK	166	/* shutdown/destroy current domain because of an error */
	167	void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
	168
37f9e258 DS	169	#ifdef HVM_PARAM_VMPORT_REGS_PFN
37f9e258 DS	170	static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
d01a5a3f	171	xen_pfn_t *vmport_regs_pfn)
37f9e258	172	{
d01a5a3f SS	173	int rc;
	174	uint64_t value;
	175	rc = xc_hvm_param_get(xc, dom, HVM_PARAM_VMPORT_REGS_PFN, &value);
	176	if (rc >= 0) {
	177	*vmport_regs_pfn = (xen_pfn_t) value;
	178	}
	179	return rc;
37f9e258 DS	180	}
	181	#else
	182	static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
d01a5a3f	183	xen_pfn_t *vmport_regs_pfn)
37f9e258 DS	184	{
	185	return -ENOSYS;
	186	}
	187	#endif
	188
d8b441a3 JB	189	/* Xen before 4.6 */
	190	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460
	191
	192	#ifndef HVM_IOREQSRV_BUFIOREQ_ATOMIC
	193	#define HVM_IOREQSRV_BUFIOREQ_ATOMIC 2
	194	#endif
	195
	196	#endif
	197
3996e85c PD	198	/* Xen before 4.5 */
	199	#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 450
	200
	201	#ifndef HVM_PARAM_BUFIOREQ_EVTCHN
	202	#define HVM_PARAM_BUFIOREQ_EVTCHN 26
	203	#endif
	204
	205	#define IOREQ_TYPE_PCI_CONFIG 2
	206
d09952ee	207	typedef uint16_t ioservid_t;
3996e85c PD	208
	209	static inline void xen_map_memory_section(XenXC xc, domid_t dom,
	210	ioservid_t ioservid,
	211	MemoryRegionSection *section)
	212	{
	213	}
	214
	215	static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
	216	ioservid_t ioservid,
	217	MemoryRegionSection *section)
	218	{
	219	}
	220
	221	static inline void xen_map_io_section(XenXC xc, domid_t dom,
	222	ioservid_t ioservid,
	223	MemoryRegionSection *section)
	224	{
	225	}
	226
	227	static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
	228	ioservid_t ioservid,
	229	MemoryRegionSection *section)
	230	{
	231	}
	232
	233	static inline void xen_map_pcidev(XenXC xc, domid_t dom,
	234	ioservid_t ioservid,
	235	PCIDevice *pci_dev)
	236	{
	237	}
	238
	239	static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
	240	ioservid_t ioservid,
	241	PCIDevice *pci_dev)
	242	{
	243	}
	244
	245	static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
	246	ioservid_t *ioservid)
	247	{
	248	return 0;
	249	}
	250
	251	static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
	252	ioservid_t ioservid)
	253	{
	254	}
	255
	256	static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
	257	ioservid_t ioservid,
	258	xen_pfn_t *ioreq_pfn,
	259	xen_pfn_t *bufioreq_pfn,
	260	evtchn_port_t *bufioreq_evtchn)
	261	{
	262	unsigned long param;
	263	int rc;
	264
	265	rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
	266	if (rc < 0) {
	267	fprintf(stderr, "failed to get HVM_PARAM_IOREQ_PFN\n");
	268	return -1;
	269	}
	270
	271	*ioreq_pfn = param;
272
273	rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
274	if (rc < 0) {
275	fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_PFN\n");
276	return -1;
277	}
278
279	*bufioreq_pfn = param;
280
281	rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_EVTCHN,
282	&param);
283	if (rc < 0) {
284	fprintf(stderr, "failed to get HVM_PARAM_BUFIOREQ_EVTCHN\n");
285	return -1;
286	}
287
288	*bufioreq_evtchn = param;
289
290	return 0;
291	}
292
293	static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
294	ioservid_t ioservid,
295	bool enable)
296	{
297	return 0;
298	}
299
300	/* Xen 4.5 */
301	#else
302
303	static inline void xen_map_memory_section(XenXC xc, domid_t dom,
304	ioservid_t ioservid,
305	MemoryRegionSection *section)
306	{
307	hwaddr start_addr = section->offset_within_address_space;
308	ram_addr_t size = int128_get64(section->size);
309	hwaddr end_addr = start_addr + size - 1;
310
311	trace_xen_map_mmio_range(ioservid, start_addr, end_addr);
312	xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 1,
313	start_addr, end_addr);
314	}
315
316	static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
317	ioservid_t ioservid,
318	MemoryRegionSection *section)
319	{
320	hwaddr start_addr = section->offset_within_address_space;
321	ram_addr_t size = int128_get64(section->size);
322	hwaddr end_addr = start_addr + size - 1;
323
324	trace_xen_unmap_mmio_range(ioservid, start_addr, end_addr);
325	xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 1,
326	start_addr, end_addr);
327	}
328
329	static inline void xen_map_io_section(XenXC xc, domid_t dom,
330	ioservid_t ioservid,
331	MemoryRegionSection *section)
332	{
333	hwaddr start_addr = section->offset_within_address_space;
334	ram_addr_t size = int128_get64(section->size);
335	hwaddr end_addr = start_addr + size - 1;
336
337	trace_xen_map_portio_range(ioservid, start_addr, end_addr);
338	xc_hvm_map_io_range_to_ioreq_server(xc, dom, ioservid, 0,
339	start_addr, end_addr);
340	}
341
342	static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
343	ioservid_t ioservid,
344	MemoryRegionSection *section)
345	{
346	hwaddr start_addr = section->offset_within_address_space;
347	ram_addr_t size = int128_get64(section->size);
348	hwaddr end_addr = start_addr + size - 1;
349
350	trace_xen_unmap_portio_range(ioservid, start_addr, end_addr);
351	xc_hvm_unmap_io_range_from_ioreq_server(xc, dom, ioservid, 0,
352	start_addr, end_addr);
353	}
354
355	static inline void xen_map_pcidev(XenXC xc, domid_t dom,
356	ioservid_t ioservid,
357	PCIDevice *pci_dev)
358	{
359	trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus),
360	PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
361	xc_hvm_map_pcidev_to_ioreq_server(xc, dom, ioservid,
362	0, pci_bus_num(pci_dev->bus),
363	PCI_SLOT(pci_dev->devfn),
364	PCI_FUNC(pci_dev->devfn));
365	}
366
367	static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
368	ioservid_t ioservid,
369	PCIDevice *pci_dev)
370	{
371	trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus),
372	PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
373	xc_hvm_unmap_pcidev_from_ioreq_server(xc, dom, ioservid,
374	0, pci_bus_num(pci_dev->bus),
375	PCI_SLOT(pci_dev->devfn),
376	PCI_FUNC(pci_dev->devfn));
377	}
378
379	static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
380	ioservid_t *ioservid)
381	{
d8b441a3 JB	382	int rc = xc_hvm_create_ioreq_server(xc, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC,
d8b441a3 JB	383	ioservid);
3996e85c PD	384
	385	if (rc == 0) {
	386	trace_xen_ioreq_server_create(*ioservid);
	387	}
	388
	389	return rc;
	390	}
	391
	392	static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
	393	ioservid_t ioservid)
	394	{
	395	trace_xen_ioreq_server_destroy(ioservid);
	396	xc_hvm_destroy_ioreq_server(xc, dom, ioservid);
	397	}
	398
	399	static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
	400	ioservid_t ioservid,
	401	xen_pfn_t *ioreq_pfn,
	402	xen_pfn_t *bufioreq_pfn,
	403	evtchn_port_t *bufioreq_evtchn)
	404	{
	405	return xc_hvm_get_ioreq_server_info(xc, dom, ioservid,
	406	ioreq_pfn, bufioreq_pfn,
	407	bufioreq_evtchn);
	408	}
	409
	410	static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
	411	ioservid_t ioservid,
	412	bool enable)
	413	{
	414	trace_xen_ioreq_server_state(ioservid, enable);
	415	return xc_hvm_set_ioreq_server_state(xc, dom, ioservid, enable);
	416	}
	417
	418	#endif
	419
d94f9486	420	#endif /* QEMU_HW_XEN_COMMON_H */