xref: /titanic_41/usr/src/uts/common/xen/public/hvm/params.h (revision cc1a9a89a73172cc2db053635fab3b1b91691657)
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_HVM_PARAMS_H__
22 #define __XEN_PUBLIC_HVM_PARAMS_H__
23 
24 #include "hvm_op.h"
25 
26 /*
27  * Parameter space for HVMOP_{set,get}_param.
28  */
29 
30 /*
31  * How should CPU0 event-channel notifications be delivered?
32  * val[63:56] == 0: val[55:0] is a delivery GSI (Global System Interrupt).
33  * val[63:56] == 1: val[55:0] is a delivery PCI INTx line, as follows:
34  *                  Domain = val[47:32], Bus  = val[31:16],
35  *                  DevFn  = val[15: 8], IntX = val[ 1: 0]
36  * If val == 0 then CPU0 event-channel notifications are not delivered.
37  */
38 #define HVM_PARAM_CALLBACK_IRQ 0
39 
40 /*
41  * These are not used by Xen. They are here for convenience of HVM-guest
42  * xenbus implementations.
43  */
44 #define HVM_PARAM_STORE_PFN    1
45 #define HVM_PARAM_STORE_EVTCHN 2
46 
47 #define HVM_PARAM_PAE_ENABLED  4
48 
49 #define HVM_PARAM_IOREQ_PFN    5
50 
51 #define HVM_PARAM_BUFIOREQ_PFN 6
52 
53 #ifdef __ia64__
54 #define HVM_PARAM_NVRAM_FD     7
55 #define HVM_NR_PARAMS          8
56 #else
57 #define HVM_NR_PARAMS          7
58 #endif
59 
60 #endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */
61