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vti.h

/*
 * vti.h: prototype for generial vt related interface
 *    Copyright (c) 2004, Intel Corporation.
 *
 *    Xuefei Xu (Anthony Xu) (anthony.xu@intel.com)
 *    Fred Yang (fred.yang@intel.com)
 *    Kun Tian (Kevin Tian) (kevin.tian@intel.com)
 *
 *    Copyright (c) 2007, Intel Corporation.
 *    Zhang xiantao <xiantao.zhang@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307 USA.
 */
#ifndef _KVM_VT_I_H
#define _KVM_VT_I_H

#ifndef __ASSEMBLY__
#include <asm/page.h>

#include <linux/kvm_host.h>

/* define itr.i and itr.d  in ia64_itr function */
#define     ITR   0x01
#define     DTR   0x02
#define     IaDTR 0x03

#define IA64_TR_VMM       6 /*itr6, dtr6 : maps vmm code, vmbuffer*/
#define IA64_TR_VM_DATA   7 /*dtr7       : maps current vm data*/

#define RR6 (6UL<<61)
#define RR7 (7UL<<61)


/* config_options in pal_vp_init_env */
#define     VP_INITIALIZE     1UL
#define     VP_FR_PMC   1UL<<1
#define     VP_OPCODE   1UL<<8
#define     VP_CAUSE    1UL<<9
#define VP_FW_ACC       1UL<<63

/* init vp env with initializing vm_buffer */
#define     VP_INIT_ENV_INITALIZE  (VP_INITIALIZE | VP_FR_PMC |\
      VP_OPCODE | VP_CAUSE | VP_FW_ACC)
/* init vp env without initializing vm_buffer */
#define     VP_INIT_ENV  VP_FR_PMC | VP_OPCODE | VP_CAUSE | VP_FW_ACC

#define           PAL_VP_CREATE   265
/* Stacked Virt. Initializes a new VPD for the operation of
 * a new virtual processor in the virtual environment.
 */
#define           PAL_VP_ENV_INFO 266
/*Stacked Virt. Returns the parameters needed to enter a virtual environment.*/
#define           PAL_VP_EXIT_ENV 267
/*Stacked Virt. Allows a logical processor to exit a virtual environment.*/
#define           PAL_VP_INIT_ENV 268
/*Stacked Virt. Allows a logical processor to enter a virtual environment.*/
#define           PAL_VP_REGISTER 269
/*Stacked Virt. Register a different host IVT for the virtual processor.*/
#define           PAL_VP_RESUME   270
/* Renamed from PAL_VP_RESUME */
#define           PAL_VP_RESTORE  270
/*Stacked Virt. Resumes virtual processor operation on the logical processor.*/
#define           PAL_VP_SUSPEND  271
/* Renamed from PAL_VP_SUSPEND */
#define           PAL_VP_SAVE 271
/* Stacked Virt. Suspends operation for the specified virtual processor on
 * the logical processor.
 */
#define           PAL_VP_TERMINATE 272
/* Stacked Virt. Terminates operation for the specified virtual processor.*/

union vac {
      unsigned long value;
      struct {
            int a_int:1;
            int a_from_int_cr:1;
            int a_to_int_cr:1;
            int a_from_psr:1;
            int a_from_cpuid:1;
            int a_cover:1;
            int a_bsw:1;
            long reserved:57;
      };
};

union vdc {
      unsigned long value;
      struct {
            int d_vmsw:1;
            int d_extint:1;
            int d_ibr_dbr:1;
            int d_pmc:1;
            int d_to_pmd:1;
            int d_itm:1;
            long reserved:58;
      };
};

00110 struct vpd {
      union vac   vac;
      union vdc   vdc;
      unsigned long  virt_env_vaddr;
      unsigned long  reserved1[29];
      unsigned long  vhpi;
      unsigned long  reserved2[95];
      unsigned long  vgr[16];
      unsigned long  vbgr[16];
      unsigned long  vnat;
      unsigned long  vbnat;
      unsigned long  vcpuid[5];
      unsigned long  reserved3[11];
      unsigned long  vpsr;
      unsigned long  vpr;
      unsigned long  reserved4[76];
      union {
            unsigned long  vcr[128];
            struct {
                  unsigned long dcr;
                  unsigned long itm;
                  unsigned long iva;
                  unsigned long rsv1[5];
                  unsigned long pta;
                  unsigned long rsv2[7];
                  unsigned long ipsr;
                  unsigned long isr;
                  unsigned long rsv3;
                  unsigned long iip;
                  unsigned long ifa;
                  unsigned long itir;
                  unsigned long iipa;
                  unsigned long ifs;
                  unsigned long iim;
                  unsigned long iha;
                  unsigned long rsv4[38];
                  unsigned long lid;
                  unsigned long ivr;
                  unsigned long tpr;
                  unsigned long eoi;
                  unsigned long irr[4];
                  unsigned long itv;
                  unsigned long pmv;
                  unsigned long cmcv;
                  unsigned long rsv5[5];
                  unsigned long lrr0;
                  unsigned long lrr1;
                  unsigned long rsv6[46];
            };
      };
      unsigned long  reserved5[128];
      unsigned long  reserved6[3456];
      unsigned long  vmm_avail[128];
      unsigned long  reserved7[4096];
};

#define PAL_PROC_VM_BIT       (1UL << 40)
#define PAL_PROC_VMSW_BIT     (1UL << 54)

static inline s64 ia64_pal_vp_env_info(u64 *buffer_size,
            u64 *vp_env_info)
{
      struct ia64_pal_retval iprv;
      PAL_CALL_STK(iprv, PAL_VP_ENV_INFO, 0, 0, 0);
      *buffer_size = iprv.v0;
      *vp_env_info = iprv.v1;
      return iprv.status;
}

static inline s64 ia64_pal_vp_exit_env(u64 iva)
{
      struct ia64_pal_retval iprv;

      PAL_CALL_STK(iprv, PAL_VP_EXIT_ENV, (u64)iva, 0, 0);
      return iprv.status;
}

static inline s64 ia64_pal_vp_init_env(u64 config_options, u64 pbase_addr,
                  u64 vbase_addr, u64 *vsa_base)
{
      struct ia64_pal_retval iprv;

      PAL_CALL_STK(iprv, PAL_VP_INIT_ENV, config_options, pbase_addr,
                  vbase_addr);
      *vsa_base = iprv.v0;

      return iprv.status;
}

static inline s64 ia64_pal_vp_restore(u64 *vpd, u64 pal_proc_vector)
{
      struct ia64_pal_retval iprv;

      PAL_CALL_STK(iprv, PAL_VP_RESTORE, (u64)vpd, pal_proc_vector, 0);

      return iprv.status;
}

static inline s64 ia64_pal_vp_save(u64 *vpd, u64 pal_proc_vector)
{
      struct ia64_pal_retval iprv;

      PAL_CALL_STK(iprv, PAL_VP_SAVE, (u64)vpd, pal_proc_vector, 0);

      return iprv.status;
}

#endif

/*VPD field offset*/
#define VPD_VAC_START_OFFSET        0
#define VPD_VDC_START_OFFSET        8
#define VPD_VHPI_START_OFFSET       256
#define VPD_VGR_START_OFFSET        1024
#define VPD_VBGR_START_OFFSET       1152
#define VPD_VNAT_START_OFFSET       1280
#define VPD_VBNAT_START_OFFSET            1288
#define VPD_VCPUID_START_OFFSET           1296
#define VPD_VPSR_START_OFFSET       1424
#define VPD_VPR_START_OFFSET        1432
#define VPD_VRSE_CFLE_START_OFFSET  1440
#define VPD_VCR_START_OFFSET        2048
#define VPD_VTPR_START_OFFSET       2576
#define VPD_VRR_START_OFFSET        3072
#define VPD_VMM_VAIL_START_OFFSET   31744

/*Virtualization faults*/

#define EVENT_MOV_TO_AR              1
#define EVENT_MOV_TO_AR_IMM          2
#define EVENT_MOV_FROM_AR            3
#define EVENT_MOV_TO_CR              4
#define EVENT_MOV_FROM_CR            5
#define EVENT_MOV_TO_PSR             6
#define EVENT_MOV_FROM_PSR           7
#define EVENT_ITC_D                  8
#define EVENT_ITC_I                  9
#define EVENT_MOV_TO_RR              10
#define EVENT_MOV_TO_DBR             11
#define EVENT_MOV_TO_IBR             12
#define EVENT_MOV_TO_PKR             13
#define EVENT_MOV_TO_PMC             14
#define EVENT_MOV_TO_PMD             15
#define EVENT_ITR_D                  16
#define EVENT_ITR_I                  17
#define EVENT_MOV_FROM_RR            18
#define EVENT_MOV_FROM_DBR           19
#define EVENT_MOV_FROM_IBR           20
#define EVENT_MOV_FROM_PKR           21
#define EVENT_MOV_FROM_PMC           22
#define EVENT_MOV_FROM_CPUID         23
#define EVENT_SSM              24
#define EVENT_RSM              25
#define EVENT_PTC_L                  26
#define EVENT_PTC_G                  27
#define EVENT_PTC_GA                 28
#define EVENT_PTR_D                  29
#define EVENT_PTR_I                  30
#define EVENT_THASH                  31
#define EVENT_TTAG                   32
#define EVENT_TPA              33
#define EVENT_TAK              34
#define EVENT_PTC_E                  35
#define EVENT_COVER                  36
#define EVENT_RFI              37
#define EVENT_BSW_0                  38
#define EVENT_BSW_1                  39
#define EVENT_VMSW                   40

/**PAL virtual services offsets */
#define PAL_VPS_RESUME_NORMAL           0x0000
#define PAL_VPS_RESUME_HANDLER          0x0400
#define PAL_VPS_SYNC_READ               0x0800
#define PAL_VPS_SYNC_WRITE              0x0c00
#define PAL_VPS_SET_PENDING_INTERRUPT   0x1000
#define PAL_VPS_THASH                   0x1400
#define PAL_VPS_TTAG                    0x1800
#define PAL_VPS_RESTORE                 0x1c00
#define PAL_VPS_SAVE                    0x2000

#endif/* _VT_I_H*/

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