<html><head><title>include/public/physdev.h - arch-x86_64 - Xen public headers</title></head><body><pre>
/*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __XEN_PUBLIC_PHYSDEV_H__
#define __XEN_PUBLIC_PHYSDEV_H__
#include "xen.h"
/*
* Prototype for this hypercall is:
* int physdev_op(int cmd, void *args)
* @cmd == PHYSDEVOP_??? (physdev operation).
* @args == Operation-specific extra arguments (NULL if none).
*/
/*
* Notify end-of-interrupt (EOI) for the specified IRQ.
* @arg == pointer to physdev_eoi structure.
*/
#define PHYSDEVOP_eoi 12
<a name="Struct_physdev_eoi"><strong>struct physdev_eoi</strong></a> {
/* IN */
uint32_t irq;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_eoi">struct physdev_eoi</a> <a name="Typedef_physdev_eoi_t"><strong>physdev_eoi_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_eoi">physdev_eoi_t</a>);
/*
* Register a shared page for the hypervisor to indicate whether the guest
* must issue PHYSDEVOP_eoi. The semantics of PHYSDEVOP_eoi change slightly
* once the guest used this function in that the associated event channel
* will automatically get unmasked. The page registered is used as a bit
* array indexed by Xen's PIRQ value.
*/
#define PHYSDEVOP_pirq_eoi_gmfn_v1 17
/*
* Register a shared page for the hypervisor to indicate whether the
* guest must issue PHYSDEVOP_eoi. This hypercall is very similar to
* PHYSDEVOP_pirq_eoi_gmfn_v1 but it doesn't change the semantics of
* PHYSDEVOP_eoi. The page registered is used as a bit array indexed by
* Xen's PIRQ value.
*/
#define PHYSDEVOP_pirq_eoi_gmfn_v2 28
<a name="Struct_physdev_pirq_eoi_gmfn"><strong>struct physdev_pirq_eoi_gmfn</strong></a> {
/* IN */
xen_pfn_t gmfn;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_pirq_eoi_gmfn">struct physdev_pirq_eoi_gmfn</a> <a name="Typedef_physdev_pirq_eoi_gmfn_t"><strong>physdev_pirq_eoi_gmfn_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_pirq_eoi_gmfn">physdev_pirq_eoi_gmfn_t</a>);
/*
* Query the status of an IRQ line.
* @arg == pointer to physdev_irq_status_query structure.
*/
#define PHYSDEVOP_irq_status_query 5
<a name="Struct_physdev_irq_status_query"><strong>struct physdev_irq_status_query</strong></a> {
/* IN */
uint32_t irq;
/* OUT */
uint32_t flags; /* XENIRQSTAT_* */
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_irq_status_query">struct physdev_irq_status_query</a> <a name="Typedef_physdev_irq_status_query_t"><strong>physdev_irq_status_query_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_irq_status_query">physdev_irq_status_query_t</a>);
/* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
#define _XENIRQSTAT_needs_eoi (0)
#define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
/* IRQ shared by multiple guests? */
#define _XENIRQSTAT_shared (1)
#define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
/*
* Set the current VCPU's I/O privilege level.
* @arg == pointer to physdev_set_iopl structure.
*/
#define PHYSDEVOP_set_iopl 6
<a name="Struct_physdev_set_iopl"><strong>struct physdev_set_iopl</strong></a> {
/* IN */
uint32_t iopl;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_set_iopl">struct physdev_set_iopl</a> <a name="Typedef_physdev_set_iopl_t"><strong>physdev_set_iopl_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_set_iopl">physdev_set_iopl_t</a>);
/*
* Set the current VCPU's I/O-port permissions bitmap.
* @arg == pointer to physdev_set_iobitmap structure.
*/
#define PHYSDEVOP_set_iobitmap 7
<a name="Struct_physdev_set_iobitmap"><strong>struct physdev_set_iobitmap</strong></a> {
/* IN */
#if __XEN_INTERFACE_VERSION__ >= 0x00030205
XEN_GUEST_HANDLE(uint8) bitmap;
#else
uint8_t *bitmap;
#endif
uint32_t nr_ports;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_set_iobitmap">struct physdev_set_iobitmap</a> <a name="Typedef_physdev_set_iobitmap_t"><strong>physdev_set_iobitmap_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_set_iobitmap">physdev_set_iobitmap_t</a>);
/*
* Read or write an IO-APIC register.
* @arg == pointer to physdev_apic structure.
*/
#define PHYSDEVOP_apic_read 8
#define PHYSDEVOP_apic_write 9
<a name="Struct_physdev_apic"><strong>struct physdev_apic</strong></a> {
/* IN */
unsigned long apic_physbase;
uint32_t reg;
/* IN or OUT */
uint32_t value;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_apic">struct physdev_apic</a> <a name="Typedef_physdev_apic_t"><strong>physdev_apic_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_apic">physdev_apic_t</a>);
/*
* Allocate or free a physical upcall vector for the specified IRQ line.
* @arg == pointer to physdev_irq structure.
*/
#define PHYSDEVOP_alloc_irq_vector 10
#define PHYSDEVOP_free_irq_vector 11
<a name="Struct_physdev_irq"><strong>struct physdev_irq</strong></a> {
/* IN */
uint32_t irq;
/* IN or OUT */
uint32_t vector;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_irq">struct physdev_irq</a> <a name="Typedef_physdev_irq_t"><strong>physdev_irq_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_irq">physdev_irq_t</a>);
#define MAP_PIRQ_TYPE_MSI 0x0
#define MAP_PIRQ_TYPE_GSI 0x1
#define MAP_PIRQ_TYPE_UNKNOWN 0x2
#define MAP_PIRQ_TYPE_MSI_SEG 0x3
#define MAP_PIRQ_TYPE_MULTI_MSI 0x4
#define PHYSDEVOP_map_pirq 13
<a name="Struct_physdev_map_pirq"><strong>struct physdev_map_pirq</strong></a> {
<a href="include,public,xen.h.html#Typedef_domid_t">domid_t</a> domid;
/* IN */
int type;
/* IN (ignored for ..._MULTI_MSI) */
int index;
/* IN or OUT */
int pirq;
/* IN - high 16 bits hold segment for ..._MSI_SEG and ..._MULTI_MSI */
int bus;
/* IN */
int devfn;
/* IN (also OUT for ..._MULTI_MSI) */
int entry_nr;
/* IN */
uint64_t table_base;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_map_pirq">struct physdev_map_pirq</a> <a name="Typedef_physdev_map_pirq_t"><strong>physdev_map_pirq_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_map_pirq">physdev_map_pirq_t</a>);
#define PHYSDEVOP_unmap_pirq 14
<a name="Struct_physdev_unmap_pirq"><strong>struct physdev_unmap_pirq</strong></a> {
<a href="include,public,xen.h.html#Typedef_domid_t">domid_t</a> domid;
/* IN */
int pirq;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_unmap_pirq">struct physdev_unmap_pirq</a> <a name="Typedef_physdev_unmap_pirq_t"><strong>physdev_unmap_pirq_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_unmap_pirq">physdev_unmap_pirq_t</a>);
#define PHYSDEVOP_manage_pci_add 15
#define PHYSDEVOP_manage_pci_remove 16
<a name="Struct_physdev_manage_pci"><strong>struct physdev_manage_pci</strong></a> {
/* IN */
uint8_t bus;
uint8_t devfn;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_manage_pci">struct physdev_manage_pci</a> <a name="Typedef_physdev_manage_pci_t"><strong>physdev_manage_pci_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_manage_pci">physdev_manage_pci_t</a>);
#define PHYSDEVOP_restore_msi 19
<a name="Struct_physdev_restore_msi"><strong>struct physdev_restore_msi</strong></a> {
/* IN */
uint8_t bus;
uint8_t devfn;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_restore_msi">struct physdev_restore_msi</a> <a name="Typedef_physdev_restore_msi_t"><strong>physdev_restore_msi_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_restore_msi">physdev_restore_msi_t</a>);
#define PHYSDEVOP_manage_pci_add_ext 20
<a name="Struct_physdev_manage_pci_ext"><strong>struct physdev_manage_pci_ext</strong></a> {
/* IN */
uint8_t bus;
uint8_t devfn;
unsigned is_extfn;
unsigned is_virtfn;
struct {
uint8_t bus;
uint8_t devfn;
} physfn;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_manage_pci_ext">struct physdev_manage_pci_ext</a> <a name="Typedef_physdev_manage_pci_ext_t"><strong>physdev_manage_pci_ext_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_manage_pci_ext">physdev_manage_pci_ext_t</a>);
/*
* Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
* hypercall since 0x00030202.
*/
<a name="Struct_physdev_op"><strong>struct physdev_op</strong></a> {
uint32_t cmd;
union {
<a href="include,public,physdev.h.html#Struct_physdev_irq_status_query">struct physdev_irq_status_query</a> irq_status_query;
<a href="include,public,physdev.h.html#Struct_physdev_set_iopl">struct physdev_set_iopl</a> set_iopl;
<a href="include,public,physdev.h.html#Struct_physdev_set_iobitmap">struct physdev_set_iobitmap</a> set_iobitmap;
<a href="include,public,physdev.h.html#Struct_physdev_apic">struct physdev_apic</a> apic_op;
<a href="include,public,physdev.h.html#Struct_physdev_irq">struct physdev_irq</a> irq_op;
} u;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_op">struct physdev_op</a> <a name="Typedef_physdev_op_t"><strong>physdev_op_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_op">physdev_op_t</a>);
#define PHYSDEVOP_setup_gsi 21
<a name="Struct_physdev_setup_gsi"><strong>struct physdev_setup_gsi</strong></a> {
int gsi;
/* IN */
uint8_t triggering;
/* IN */
uint8_t polarity;
/* IN */
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_setup_gsi">struct physdev_setup_gsi</a> <a name="Typedef_physdev_setup_gsi_t"><strong>physdev_setup_gsi_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_setup_gsi">physdev_setup_gsi_t</a>);
/* leave PHYSDEVOP 22 free */
/* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI
* the hypercall returns a free pirq */
#define PHYSDEVOP_get_free_pirq 23
<a name="Struct_physdev_get_free_pirq"><strong>struct physdev_get_free_pirq</strong></a> {
/* IN */
int type;
/* OUT */
uint32_t pirq;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_get_free_pirq">struct physdev_get_free_pirq</a> <a name="Typedef_physdev_get_free_pirq_t"><strong>physdev_get_free_pirq_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_get_free_pirq">physdev_get_free_pirq_t</a>);
#define XEN_PCI_MMCFG_RESERVED 0x1
#define PHYSDEVOP_pci_mmcfg_reserved 24
<a name="Struct_physdev_pci_mmcfg_reserved"><strong>struct physdev_pci_mmcfg_reserved</strong></a> {
uint64_t address;
uint16_t segment;
uint8_t start_bus;
uint8_t end_bus;
uint32_t flags;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_pci_mmcfg_reserved">struct physdev_pci_mmcfg_reserved</a> <a name="Typedef_physdev_pci_mmcfg_reserved_t"><strong>physdev_pci_mmcfg_reserved_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_pci_mmcfg_reserved">physdev_pci_mmcfg_reserved_t</a>);
#define XEN_PCI_DEV_EXTFN 0x1
#define XEN_PCI_DEV_VIRTFN 0x2
#define XEN_PCI_DEV_PXM 0x4
#define PHYSDEVOP_pci_device_add 25
<a name="Struct_physdev_pci_device_add"><strong>struct physdev_pci_device_add</strong></a> {
/* IN */
uint16_t seg;
uint8_t bus;
uint8_t devfn;
uint32_t flags;
struct {
uint8_t bus;
uint8_t devfn;
} physfn;
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
uint32_t optarr[];
#elif defined(__GNUC__)
uint32_t optarr[0];
#endif
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_pci_device_add">struct physdev_pci_device_add</a> <a name="Typedef_physdev_pci_device_add_t"><strong>physdev_pci_device_add_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_pci_device_add">physdev_pci_device_add_t</a>);
#define PHYSDEVOP_pci_device_remove 26
#define PHYSDEVOP_restore_msi_ext 27
/*
* Dom0 should use these two to announce MMIO resources assigned to
* MSI-X capable devices won't (prepare) or may (release) change.
*/
#define PHYSDEVOP_prepare_msix 30
#define PHYSDEVOP_release_msix 31
<a name="Struct_physdev_pci_device"><strong>struct physdev_pci_device</strong></a> {
/* IN */
uint16_t seg;
uint8_t bus;
uint8_t devfn;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_pci_device">struct physdev_pci_device</a> <a name="Typedef_physdev_pci_device_t"><strong>physdev_pci_device_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_pci_device">physdev_pci_device_t</a>);
#define PHYSDEVOP_DBGP_RESET_PREPARE 1
#define PHYSDEVOP_DBGP_RESET_DONE 2
#define PHYSDEVOP_DBGP_BUS_UNKNOWN 0
#define PHYSDEVOP_DBGP_BUS_PCI 1
#define PHYSDEVOP_dbgp_op 29
<a name="Struct_physdev_dbgp_op"><strong>struct physdev_dbgp_op</strong></a> {
/* IN */
uint8_t op;
uint8_t bus;
union {
<a href="include,public,physdev.h.html#Struct_physdev_pci_device">struct physdev_pci_device</a> pci;
} u;
};
typedef <a href="include,public,physdev.h.html#Struct_physdev_dbgp_op">struct physdev_dbgp_op</a> <a name="Typedef_physdev_dbgp_op_t"><strong>physdev_dbgp_op_t</strong></a>;
DEFINE_XEN_GUEST_HANDLE(<a href="include,public,physdev.h.html#Struct_physdev_dbgp_op">physdev_dbgp_op_t</a>);
/*
* Notify that some PIRQ-bound event channels have been unmasked.
* ** This command is obsolete since interface version 0x00030202 and is **
* ** unsupported by newer versions of Xen. **
*/
#define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
/*
* These all-capitals physdev operation names are superceded by the new names
* (defined above) since interface version 0x00030202.
*/
#define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
#define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
#define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
#define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
#define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
#define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
#define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
#define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
#define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
#if __XEN_INTERFACE_VERSION__ < 0x00040200
#define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v1
#else
#define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v2
#endif
#endif /* __XEN_PUBLIC_PHYSDEV_H__ */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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