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21 #ifndef __XEN_PUBLIC_PHYSDEV_H__
22 #define __XEN_PUBLIC_PHYSDEV_H__
25 * Prototype for this hypercall is:
26 * int physdev_op(int cmd, void *args)
27 * @cmd == PHYSDEVOP_??? (physdev operation).
28 * @args == Operation-specific extra arguments (NULL if none).
32 * Notify end-of-interrupt (EOI) for the specified IRQ.
33 * @arg == pointer to physdev_eoi structure.
35 #define PHYSDEVOP_eoi 12
42 * Query the status of an IRQ line.
43 * @arg == pointer to physdev_irq_status_query structure.
45 #define PHYSDEVOP_irq_status_query 5
46 struct physdev_irq_status_query {
50 uint32_t flags; /* XENIRQSTAT_* */
53 /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
54 #define _XENIRQSTAT_needs_eoi (0)
55 #define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
57 /* IRQ shared by multiple guests? */
58 #define _XENIRQSTAT_shared (1)
59 #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
62 * Set the current VCPU's I/O privilege level.
63 * @arg == pointer to physdev_set_iopl structure.
65 #define PHYSDEVOP_set_iopl 6
66 struct physdev_set_iopl {
72 * Set the current VCPU's I/O-port permissions bitmap.
73 * @arg == pointer to physdev_set_iobitmap structure.
75 #define PHYSDEVOP_set_iobitmap 7
76 struct physdev_set_iobitmap {
83 * Read or write an IO-APIC register.
84 * @arg == pointer to physdev_apic structure.
86 #define PHYSDEVOP_apic_read 8
87 #define PHYSDEVOP_apic_write 9
90 unsigned long apic_physbase;
97 * Allocate or free a physical upcall vector for the specified IRQ line.
98 * @arg == pointer to physdev_irq structure.
100 #define PHYSDEVOP_alloc_irq_vector 10
101 #define PHYSDEVOP_free_irq_vector 11
110 * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
111 * hypercall since 0x00030202.
116 struct physdev_irq_status_query irq_status_query;
117 struct physdev_set_iopl set_iopl;
118 struct physdev_set_iobitmap set_iobitmap;
119 struct physdev_apic apic_op;
120 struct physdev_irq irq_op;
125 * Notify that some PIRQ-bound event channels have been unmasked.
126 * ** This command is obsolete since interface version 0x00030202 and is **
127 * ** unsupported by newer versions of Xen. **
129 #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
132 * These all-capitals physdev operation names are superceded by the new names
133 * (defined above) since interface version 0x00030202.
135 #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
136 #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
137 #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
138 #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
139 #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
140 #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
141 #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
142 #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
143 #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
145 #endif /* __XEN_PUBLIC_PHYSDEV_H__ */