tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * This file contains the "hypervisor call" interface which is used to
3 * drive the hypervisor from SLIC.
4 */
5#ifndef _ASM_POWERPC_ISERIES_HV_CALL_XM_H
6#define _ASM_POWERPC_ISERIES_HV_CALL_XM_H
7
8#include <asm/iseries/hv_call_sc.h>
9#include <asm/iseries/hv_types.h>
10
11#define HvCallXmGetTceTableParms HvCallXm + 0
12#define HvCallXmTestBus HvCallXm + 1
13#define HvCallXmConnectBusUnit HvCallXm + 2
14#define HvCallXmLoadTod HvCallXm + 8
15#define HvCallXmTestBusUnit HvCallXm + 9
16#define HvCallXmSetTce HvCallXm + 11
17#define HvCallXmSetTces HvCallXm + 13
18
19/*
20 * Structure passed to HvCallXm_getTceTableParms
21 */
22struct iommu_table_cb {
23 unsigned long itc_busno; /* Bus number for this tce table */
24 unsigned long itc_start; /* Will be NULL for secondary */
25 unsigned long itc_totalsize; /* Size (in pages) of whole table */
26 unsigned long itc_offset; /* Index into real tce table of the
27 start of our section */
28 unsigned long itc_size; /* Size (in pages) of our section */
29 unsigned long itc_index; /* Index of this tce table */
30 unsigned short itc_maxtables; /* Max num of tables for partition */
31 unsigned char itc_virtbus; /* Flag to indicate virtual bus */
32 unsigned char itc_slotno; /* IOA Tce Slot Index */
33 unsigned char itc_rsvd[4];
34};
35
36static inline void HvCallXm_getTceTableParms(u64 cb)
37{
38 HvCall1(HvCallXmGetTceTableParms, cb);
39}
40
41static inline u64 HvCallXm_setTce(u64 tceTableToken, u64 tceOffset, u64 tce)
42{
43 return HvCall3(HvCallXmSetTce, tceTableToken, tceOffset, tce);
44}
45
46static inline u64 HvCallXm_setTces(u64 tceTableToken, u64 tceOffset,
47 u64 numTces, u64 tce1, u64 tce2, u64 tce3, u64 tce4)
48{
49 return HvCall7(HvCallXmSetTces, tceTableToken, tceOffset, numTces,
50 tce1, tce2, tce3, tce4);
51}
52
53static inline u64 HvCallXm_testBus(u16 busNumber)
54{
55 return HvCall1(HvCallXmTestBus, busNumber);
56}
57
58static inline u64 HvCallXm_testBusUnit(u16 busNumber, u8 subBusNumber,
59 u8 deviceId)
60{
61 return HvCall2(HvCallXmTestBusUnit, busNumber,
62 (subBusNumber << 8) | deviceId);
63}
64
65static inline u64 HvCallXm_connectBusUnit(u16 busNumber, u8 subBusNumber,
66 u8 deviceId, u64 interruptToken)
67{
68 return HvCall5(HvCallXmConnectBusUnit, busNumber,
69 (subBusNumber << 8) | deviceId, interruptToken, 0,
70 0 /* HvLpConfig::mapDsaToQueueIndex(HvLpDSA(busNumber, xBoard, xCard)) */);
71}
72
73static inline u64 HvCallXm_loadTod(void)
74{
75 return HvCall0(HvCallXmLoadTod);
76}
77
78#endif /* _ASM_POWERPC_ISERIES_HV_CALL_XM_H */