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1.1 root 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: typedef struct physdev_eoi physdev_eoi_t;
41: DEFINE_XEN_GUEST_HANDLE(physdev_eoi_t);
42:
43: /*
44: * Query the status of an IRQ line.
45: * @arg == pointer to physdev_irq_status_query structure.
46: */
47: #define PHYSDEVOP_irq_status_query 5
48: struct physdev_irq_status_query {
49: /* IN */
50: uint32_t irq;
51: /* OUT */
52: uint32_t flags; /* XENIRQSTAT_* */
53: };
54: typedef struct physdev_irq_status_query physdev_irq_status_query_t;
55: DEFINE_XEN_GUEST_HANDLE(physdev_irq_status_query_t);
56:
57: /* Need to call PHYSDEVOP_eoi when the IRQ has been serviced? */
58: #define _XENIRQSTAT_needs_eoi (0)
59: #define XENIRQSTAT_needs_eoi (1U<<_XENIRQSTAT_needs_eoi)
60:
61: /* IRQ shared by multiple guests? */
62: #define _XENIRQSTAT_shared (1)
63: #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
64:
65: /*
66: * Set the current VCPU's I/O privilege level.
67: * @arg == pointer to physdev_set_iopl structure.
68: */
69: #define PHYSDEVOP_set_iopl 6
70: struct physdev_set_iopl {
71: /* IN */
72: uint32_t iopl;
73: };
74: typedef struct physdev_set_iopl physdev_set_iopl_t;
75: DEFINE_XEN_GUEST_HANDLE(physdev_set_iopl_t);
76:
77: /*
78: * Set the current VCPU's I/O-port permissions bitmap.
79: * @arg == pointer to physdev_set_iobitmap structure.
80: */
81: #define PHYSDEVOP_set_iobitmap 7
82: struct physdev_set_iobitmap {
83: /* IN */
84: #if __XEN_INTERFACE_VERSION__ >= 0x00030205
85: XEN_GUEST_HANDLE(uint8) bitmap;
86: #else
87: uint8_t *bitmap;
88: #endif
89: uint32_t nr_ports;
90: };
91: typedef struct physdev_set_iobitmap physdev_set_iobitmap_t;
92: DEFINE_XEN_GUEST_HANDLE(physdev_set_iobitmap_t);
93:
94: /*
95: * Read or write an IO-APIC register.
96: * @arg == pointer to physdev_apic structure.
97: */
98: #define PHYSDEVOP_apic_read 8
99: #define PHYSDEVOP_apic_write 9
100: struct physdev_apic {
101: /* IN */
102: unsigned long apic_physbase;
103: uint32_t reg;
104: /* IN or OUT */
105: uint32_t value;
106: };
107: typedef struct physdev_apic physdev_apic_t;
108: DEFINE_XEN_GUEST_HANDLE(physdev_apic_t);
109:
110: /*
111: * Allocate or free a physical upcall vector for the specified IRQ line.
112: * @arg == pointer to physdev_irq structure.
113: */
114: #define PHYSDEVOP_alloc_irq_vector 10
115: #define PHYSDEVOP_free_irq_vector 11
116: struct physdev_irq {
117: /* IN */
118: uint32_t irq;
119: /* IN or OUT */
120: uint32_t vector;
121: };
122: typedef struct physdev_irq physdev_irq_t;
123: DEFINE_XEN_GUEST_HANDLE(physdev_irq_t);
124:
125: #define MAP_PIRQ_TYPE_MSI 0x0
126: #define MAP_PIRQ_TYPE_GSI 0x1
127: #define MAP_PIRQ_TYPE_UNKNOWN 0x2
128:
129: #define PHYSDEVOP_map_pirq 13
130: struct physdev_map_pirq {
131: domid_t domid;
132: /* IN */
133: int type;
134: /* IN */
135: int index;
136: /* IN or OUT */
137: int pirq;
138: /* IN */
139: int bus;
140: /* IN */
141: int devfn;
142: /* IN */
143: int entry_nr;
144: /* IN */
145: uint64_t table_base;
146: };
147: typedef struct physdev_map_pirq physdev_map_pirq_t;
148: DEFINE_XEN_GUEST_HANDLE(physdev_map_pirq_t);
149:
150: #define PHYSDEVOP_unmap_pirq 14
151: struct physdev_unmap_pirq {
152: domid_t domid;
153: /* IN */
154: int pirq;
155: };
156:
157: typedef struct physdev_unmap_pirq physdev_unmap_pirq_t;
158: DEFINE_XEN_GUEST_HANDLE(physdev_unmap_pirq_t);
159:
160: #define PHYSDEVOP_manage_pci_add 15
161: #define PHYSDEVOP_manage_pci_remove 16
162: struct physdev_manage_pci {
163: /* IN */
164: uint8_t bus;
165: uint8_t devfn;
166: };
167:
168: typedef struct physdev_manage_pci physdev_manage_pci_t;
169: DEFINE_XEN_GUEST_HANDLE(physdev_manage_pci_t);
170:
171: /*
172: * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
173: * hypercall since 0x00030202.
174: */
175: struct physdev_op {
176: uint32_t cmd;
177: union {
178: struct physdev_irq_status_query irq_status_query;
179: struct physdev_set_iopl set_iopl;
180: struct physdev_set_iobitmap set_iobitmap;
181: struct physdev_apic apic_op;
182: struct physdev_irq irq_op;
183: } u;
184: };
185: typedef struct physdev_op physdev_op_t;
186: DEFINE_XEN_GUEST_HANDLE(physdev_op_t);
187:
188: /*
189: * Notify that some PIRQ-bound event channels have been unmasked.
190: * ** This command is obsolete since interface version 0x00030202 and is **
191: * ** unsupported by newer versions of Xen. **
192: */
193: #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
194:
195: /*
196: * These all-capitals physdev operation names are superceded by the new names
197: * (defined above) since interface version 0x00030202.
198: */
199: #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
200: #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
201: #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
202: #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
203: #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
204: #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
205: #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
206: #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
207: #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
208:
209: #endif /* __XEN_PUBLIC_PHYSDEV_H__ */
210:
211: /*
212: * Local variables:
213: * mode: C
214: * c-set-style: "BSD"
215: * c-basic-offset: 4
216: * tab-width: 4
217: * indent-tabs-mode: nil
218: * End:
219: */
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