ia64/xen-unstable

view xen/include/public/physdev.h @ 16833:491c28320794

XEN_GUEST_HANDLE_00030205() compat macro is broken. Remove it and
open-code an alternative at its two invocation sites.

Based on a patch by Jan Beulich.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Jan 22 10:18:58 2008 +0000 (2008-01-22)
parents ad0f20f5590a
children 6ecbb00e58cd
line source
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 */
21 #ifndef __XEN_PUBLIC_PHYSDEV_H__
22 #define __XEN_PUBLIC_PHYSDEV_H__
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 */
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);
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);
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)
61 /* IRQ shared by multiple guests? */
62 #define _XENIRQSTAT_shared (1)
63 #define XENIRQSTAT_shared (1U<<_XENIRQSTAT_shared)
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);
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);
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);
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);
125 /*
126 * Argument to physdev_op_compat() hypercall. Superceded by new physdev_op()
127 * hypercall since 0x00030202.
128 */
129 struct physdev_op {
130 uint32_t cmd;
131 union {
132 struct physdev_irq_status_query irq_status_query;
133 struct physdev_set_iopl set_iopl;
134 struct physdev_set_iobitmap set_iobitmap;
135 struct physdev_apic apic_op;
136 struct physdev_irq irq_op;
137 } u;
138 };
139 typedef struct physdev_op physdev_op_t;
140 DEFINE_XEN_GUEST_HANDLE(physdev_op_t);
142 /*
143 * Notify that some PIRQ-bound event channels have been unmasked.
144 * ** This command is obsolete since interface version 0x00030202 and is **
145 * ** unsupported by newer versions of Xen. **
146 */
147 #define PHYSDEVOP_IRQ_UNMASK_NOTIFY 4
149 /*
150 * These all-capitals physdev operation names are superceded by the new names
151 * (defined above) since interface version 0x00030202.
152 */
153 #define PHYSDEVOP_IRQ_STATUS_QUERY PHYSDEVOP_irq_status_query
154 #define PHYSDEVOP_SET_IOPL PHYSDEVOP_set_iopl
155 #define PHYSDEVOP_SET_IOBITMAP PHYSDEVOP_set_iobitmap
156 #define PHYSDEVOP_APIC_READ PHYSDEVOP_apic_read
157 #define PHYSDEVOP_APIC_WRITE PHYSDEVOP_apic_write
158 #define PHYSDEVOP_ASSIGN_VECTOR PHYSDEVOP_alloc_irq_vector
159 #define PHYSDEVOP_FREE_VECTOR PHYSDEVOP_free_irq_vector
160 #define PHYSDEVOP_IRQ_NEEDS_UNMASK_NOTIFY XENIRQSTAT_needs_eoi
161 #define PHYSDEVOP_IRQ_SHARED XENIRQSTAT_shared
163 #endif /* __XEN_PUBLIC_PHYSDEV_H__ */
165 /*
166 * Local variables:
167 * mode: C
168 * c-set-style: "BSD"
169 * c-basic-offset: 4
170 * tab-width: 4
171 * indent-tabs-mode: nil
172 * End:
173 */