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21 #ifndef __XEN_PUBLIC_PHYSDEV_H__
22 #define __XEN_PUBLIC_PHYSDEV_H__
27 * Prototype for this hypercall is:
28 * int physdev_op(int cmd, void *args)
29 * @cmd == PHYSDEVOP_??? (physdev operation).
30 * @args == Operation-specific extra arguments (NULL if none).
34 * Notify end-of-interrupt (EOI) for the specified IRQ.
35 * @arg == pointer to physdev_eoi structure.
37 #define PHYSDEVOP_eoi 12
42 typedef struct physdev_eoi physdev_eoi_t;
43 DEFINE_XEN_GUEST_HANDLE(physdev_eoi_t);
46 * Register a shared page for the hypervisor to indicate whether the guest
47 * must issue PHYSDEVOP_eoi. The semantics of PHYSDEVOP_eoi change slightly
48 * once the guest used this function in that the associated event channel
49 * will automatically get unmasked. The page registered is used as a bit
50 * array indexed by Xen's PIRQ value.
52 #define PHYSDEVOP_pirq_eoi_gmfn_v1 17
54 * Register a shared page for the hypervisor to indicate whether the
55 * guest must issue PHYSDEVOP_eoi. This hypercall is very similar to
56 * PHYSDEVOP_pirq_eoi_gmfn_v1 but it doesn't change the semantics of
57 * PHYSDEVOP_eoi. The page registered is used as a bit array indexed by
60 #define PHYSDEVOP_pirq_eoi_gmfn_v2 28
61 struct physdev_pirq_eoi_gmfn {
65 typedef struct physdev_pirq_eoi_gmfn physdev_pirq_eoi_gmfn_t;
66 DEFINE_XEN_GUEST_HANDLE(physdev_pirq_eoi_gmfn_t);
69 * Query the status of an IRQ line.
70 * @arg == pointer to physdev_irq_status_query structure.
72 #define PHYSDEVOP_irq_status_query 5
73 struct physdev_irq_status_query {
77 uint32_t flags; /* XENIRQSTAT_* */
79 typedef struct physdev_irq_status_query physdev_irq_status_query_t;
80 DEFINE_XEN_GUEST_HANDLE(physdev_irq_status_query_t);
82 /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
83 #define _XENIRQSTAT_needs_eoi (0)
84 #define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
86 /* IRQ shared by multiple guests? */
87 #define _XENIRQSTAT_shared (1)
88 #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
91 * Set the current VCPU's I/O privilege level.
92 * @arg == pointer to physdev_set_iopl structure.
94 #define PHYSDEVOP_set_iopl 6
95 struct physdev_set_iopl {
99 typedef struct physdev_set_iopl physdev_set_iopl_t;
100 DEFINE_XEN_GUEST_HANDLE(physdev_set_iopl_t);
103 * Set the current VCPU's I/O-port permissions bitmap.
104 * @arg == pointer to physdev_set_iobitmap structure.
106 #define PHYSDEVOP_set_iobitmap 7
107 struct physdev_set_iobitmap {
109 #if __XEN_INTERFACE_VERSION__ >= 0x00030205
110 XEN_GUEST_HANDLE(uint8) bitmap;
116 typedef struct physdev_set_iobitmap physdev_set_iobitmap_t;
117 DEFINE_XEN_GUEST_HANDLE(physdev_set_iobitmap_t);
120 * Read or write an IO-APIC register.
121 * @arg == pointer to physdev_apic structure.
123 #define PHYSDEVOP_apic_read 8
124 #define PHYSDEVOP_apic_write 9
125 struct physdev_apic {
127 unsigned long apic_physbase;
132 typedef struct physdev_apic physdev_apic_t;
133 DEFINE_XEN_GUEST_HANDLE(physdev_apic_t);
136 * Allocate or free a physical upcall vector for the specified IRQ line.
137 * @arg == pointer to physdev_irq structure.
139 #define PHYSDEVOP_alloc_irq_vector 10
140 #define PHYSDEVOP_free_irq_vector 11
147 typedef struct physdev_irq physdev_irq_t;
148 DEFINE_XEN_GUEST_HANDLE(physdev_irq_t);
150 #define MAP_PIRQ_TYPE_MSI 0x0
151 #define MAP_PIRQ_TYPE_GSI 0x1
152 #define MAP_PIRQ_TYPE_UNKNOWN 0x2
153 #define MAP_PIRQ_TYPE_MSI_SEG 0x3
154 #define MAP_PIRQ_TYPE_MULTI_MSI 0x4
156 #define PHYSDEVOP_map_pirq 13
157 struct physdev_map_pirq {
165 /* IN - high 16 bits hold segment for MAP_PIRQ_TYPE_MSI_SEG */
174 typedef struct physdev_map_pirq physdev_map_pirq_t;
175 DEFINE_XEN_GUEST_HANDLE(physdev_map_pirq_t);
177 #define PHYSDEVOP_unmap_pirq 14
178 struct physdev_unmap_pirq {
184 typedef struct physdev_unmap_pirq physdev_unmap_pirq_t;
185 DEFINE_XEN_GUEST_HANDLE(physdev_unmap_pirq_t);
187 #define PHYSDEVOP_manage_pci_add 15
188 #define PHYSDEVOP_manage_pci_remove 16
189 struct physdev_manage_pci {
195 typedef struct physdev_manage_pci physdev_manage_pci_t;
196 DEFINE_XEN_GUEST_HANDLE(physdev_manage_pci_t);
198 #define PHYSDEVOP_restore_msi 19
199 struct physdev_restore_msi {
204 typedef struct physdev_restore_msi physdev_restore_msi_t;
205 DEFINE_XEN_GUEST_HANDLE(physdev_restore_msi_t);
207 #define PHYSDEVOP_manage_pci_add_ext 20
208 struct physdev_manage_pci_ext {
220 typedef struct physdev_manage_pci_ext physdev_manage_pci_ext_t;
221 DEFINE_XEN_GUEST_HANDLE(physdev_manage_pci_ext_t);
224 * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
225 * hypercall since 0x00030202.
230 struct physdev_irq_status_query irq_status_query;
231 struct physdev_set_iopl set_iopl;
232 struct physdev_set_iobitmap set_iobitmap;
233 struct physdev_apic apic_op;
234 struct physdev_irq irq_op;
237 typedef struct physdev_op physdev_op_t;
238 DEFINE_XEN_GUEST_HANDLE(physdev_op_t);
240 #define PHYSDEVOP_setup_gsi 21
241 struct physdev_setup_gsi {
250 typedef struct physdev_setup_gsi physdev_setup_gsi_t;
251 DEFINE_XEN_GUEST_HANDLE(physdev_setup_gsi_t);
253 /* leave PHYSDEVOP 22 free */
255 /* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI
256 * the hypercall returns a free pirq */
257 #define PHYSDEVOP_get_free_pirq 23
258 struct physdev_get_free_pirq {
265 typedef struct physdev_get_free_pirq physdev_get_free_pirq_t;
266 DEFINE_XEN_GUEST_HANDLE(physdev_get_free_pirq_t);
268 #define XEN_PCI_MMCFG_RESERVED 0x1
270 #define PHYSDEVOP_pci_mmcfg_reserved 24
271 struct physdev_pci_mmcfg_reserved {
278 typedef struct physdev_pci_mmcfg_reserved physdev_pci_mmcfg_reserved_t;
279 DEFINE_XEN_GUEST_HANDLE(physdev_pci_mmcfg_reserved_t);
281 #define XEN_PCI_DEV_EXTFN 0x1
282 #define XEN_PCI_DEV_VIRTFN 0x2
283 #define XEN_PCI_DEV_PXM 0x4
285 #define PHYSDEVOP_pci_device_add 25
286 struct physdev_pci_device_add {
296 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
298 #elif defined(__GNUC__)
302 typedef struct physdev_pci_device_add physdev_pci_device_add_t;
303 DEFINE_XEN_GUEST_HANDLE(physdev_pci_device_add_t);
305 #define PHYSDEVOP_pci_device_remove 26
306 #define PHYSDEVOP_restore_msi_ext 27
307 struct physdev_pci_device {
313 typedef struct physdev_pci_device physdev_pci_device_t;
314 DEFINE_XEN_GUEST_HANDLE(physdev_pci_device_t);
317 * Notify that some PIRQ-bound event channels have been unmasked.
318 * ** This command is obsolete since interface version 0x00030202 and is **
319 * ** unsupported by newer versions of Xen. **
321 #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
324 * These all-capitals physdev operation names are superceded by the new names
325 * (defined above) since interface version 0x00030202.
327 #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
328 #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
329 #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
330 #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
331 #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
332 #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
333 #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
334 #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
335 #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
337 #if __XEN_INTERFACE_VERSION__ < 0x00040200
338 #define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v1
340 #define PHYSDEVOP_pirq_eoi_gmfn PHYSDEVOP_pirq_eoi_gmfn_v2
343 #endif /* __XEN_PUBLIC_PHYSDEV_H__ */
351 * indent-tabs-mode: nil