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a42089dd JF |
1 | /* |
2 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
3 | * of this software and associated documentation files (the "Software"), to | |
4 | * deal in the Software without restriction, including without limitation the | |
5 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
6 | * sell copies of the Software, and to permit persons to whom the Software is | |
7 | * furnished to do so, subject to the following conditions: | |
8 | * | |
9 | * The above copyright notice and this permission notice shall be included in | |
10 | * all copies or substantial portions of the Software. | |
11 | * | |
12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
13 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
14 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
15 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
16 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
17 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
18 | * DEALINGS IN THE SOFTWARE. | |
19 | */ | |
20 | ||
21 | #ifndef __XEN_PUBLIC_PHYSDEV_H__ | |
22 | #define __XEN_PUBLIC_PHYSDEV_H__ | |
23 | ||
24 | /* | |
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). | |
29 | */ | |
30 | ||
31 | /* | |
32 | * Notify end-of-interrupt (EOI) for the specified IRQ. | |
33 | * @arg == pointer to physdev_eoi structure. | |
34 | */ | |
35 | #define PHYSDEVOP_eoi 12 | |
36 | struct physdev_eoi { | |
37 | /* IN */ | |
38 | uint32_t irq; | |
39 | }; | |
40 | ||
41 | /* | |
42 | * Query the status of an IRQ line. | |
43 | * @arg == pointer to physdev_irq_status_query structure. | |
44 | */ | |
45 | #define PHYSDEVOP_irq_status_query 5 | |
46 | struct physdev_irq_status_query { | |
47 | /* IN */ | |
48 | uint32_t irq; | |
49 | /* OUT */ | |
50 | uint32_t flags; /* XENIRQSTAT_* */ | |
51 | }; | |
52 | ||
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) | |
56 | ||
57 | /* IRQ shared by multiple guests? */ | |
58 | #define _XENIRQSTAT_shared (1) | |
59 | #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared) | |
60 | ||
61 | /* | |
62 | * Set the current VCPU's I/O privilege level. | |
63 | * @arg == pointer to physdev_set_iopl structure. | |
64 | */ | |
65 | #define PHYSDEVOP_set_iopl 6 | |
66 | struct physdev_set_iopl { | |
67 | /* IN */ | |
68 | uint32_t iopl; | |
69 | }; | |
70 | ||
71 | /* | |
72 | * Set the current VCPU's I/O-port permissions bitmap. | |
73 | * @arg == pointer to physdev_set_iobitmap structure. | |
74 | */ | |
75 | #define PHYSDEVOP_set_iobitmap 7 | |
76 | struct physdev_set_iobitmap { | |
77 | /* IN */ | |
78 | uint8_t * bitmap; | |
79 | uint32_t nr_ports; | |
80 | }; | |
81 | ||
82 | /* | |
83 | * Read or write an IO-APIC register. | |
84 | * @arg == pointer to physdev_apic structure. | |
85 | */ | |
86 | #define PHYSDEVOP_apic_read 8 | |
87 | #define PHYSDEVOP_apic_write 9 | |
88 | struct physdev_apic { | |
89 | /* IN */ | |
90 | unsigned long apic_physbase; | |
91 | uint32_t reg; | |
92 | /* IN or OUT */ | |
93 | uint32_t value; | |
94 | }; | |
95 | ||
96 | /* | |
97 | * Allocate or free a physical upcall vector for the specified IRQ line. | |
98 | * @arg == pointer to physdev_irq structure. | |
99 | */ | |
100 | #define PHYSDEVOP_alloc_irq_vector 10 | |
101 | #define PHYSDEVOP_free_irq_vector 11 | |
102 | struct physdev_irq { | |
103 | /* IN */ | |
104 | uint32_t irq; | |
105 | /* IN or OUT */ | |
106 | uint32_t vector; | |
107 | }; | |
108 | ||
109 | /* | |
110 | * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op() | |
111 | * hypercall since 0x00030202. | |
112 | */ | |
113 | struct physdev_op { | |
114 | uint32_t cmd; | |
115 | union { | |
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; | |
121 | } u; | |
122 | }; | |
123 | ||
124 | /* | |
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. ** | |
128 | */ | |
129 | #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4 | |
130 | ||
131 | /* | |
132 | * These all-capitals physdev operation names are superceded by the new names | |
133 | * (defined above) since interface version 0x00030202. | |
134 | */ | |
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 | |
144 | ||
145 | #endif /* __XEN_PUBLIC_PHYSDEV_H__ */ |