include/asm-ppc64/iSeries/HvCallXm.h

   1 /*
   2  * This file contains the "hypervisor call" interface which is used to
   3  * drive the hypervisor from SLIC.
   4  */
   5 #ifndef _HVCALLXM_H
   6 #define _HVCALLXM_H
   7
   8 #include <asm/iSeries/HvCallSc.h>
   9 #include <asm/iSeries/HvTypes.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  */
  22 struct 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
  36 static inline void HvCallXm_getTceTableParms(u64 cb)
  37 {
  38         HvCall1(HvCallXmGetTceTableParms, cb);
  39 }
  40
  41 static inline u64 HvCallXm_setTce(u64 tceTableToken, u64 tceOffset, u64 tce)
  42 {
  43         return HvCall3(HvCallXmSetTce, tceTableToken, tceOffset, tce);
  44 }
  45
  46 static 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
  53 static inline u64 HvCallXm_testBus(u16 busNumber)
  54 {
  55         return HvCall1(HvCallXmTestBus, busNumber);
  56 }
  57
  58 static inline u64 HvCallXm_testBusUnit(u16 busNumber, u8 subBusNumber,
  59                 u8 deviceId)
  60 {
  61         return HvCall2(HvCallXmTestBusUnit, busNumber,
  62                         (subBusNumber << 8) | deviceId);
  63 }
  64
  65 static 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
  73 static inline u64 HvCallXm_loadTod(void)
  74 {
  75         return HvCall0(HvCallXmLoadTod);
  76 }
  77
  78 #endif /* _HVCALLXM_H */