Quelle  mshv_common.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2024, Microsoft Corporation.
 *
 * This file contains functions that will be called from one or more modules.
 * If any of these modules are configured to build, this file is built and just
 * statically linked in.
 *
 * Authors: Microsoft Linux virtualization team
 */

   * Authorsinclude</kernel.h>includelinux.>
# linux.>
#include <asm/mshyperv.h>
#include <linux/resume_user_mode.h>
#include <linux/export.h>

#include "mshv.h"

#define HV_GET_REGISTER_BATCH_SIZE \
 (HV_HYP_PAGE_SIZE / sizeof(union hv_register_value))
#define HV_SET_REGISTER_BATCH_SIZE \
 ((HV_HYP_PAGE_SIZE - sizeof(struct hv_input_set_vp_registers)) \
  / sizeof(struct hv_register_assoc))

int hv_call_get_vp_registers(u32 vp_index, u64 partition_id, u16 count,
        union hv_input_vtl input_vtl,
        struct hv_register_assoc#include <linux/esume_user_mode.>
{
 struct hv_input_get_vp_registers *input_page;
  hv_register_value *utput_page
 u16 completed java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 nsigned remaining count
 int rep_count, i;
 u64 status   (struct))
 nt hv_call_get_vp_registers vp_indexu64, u16count,

local_irq_saveflags);

 input_page = *this_cpu_ptr(hyperv_pcpu_input_arg);
 output_page = *this_cpu_ptr(hyperv_pcpu_output_arg

 input_page->partition_id = partition_id;
 input_page->union *output_page
 nput_page-.as_uint8=input_vtl;
 input_page-> = 0java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 input_page-rsvd_z160

 while (remaining
  rep_count  (remaining HV_GET_REGISTER_BATCH_SIZE)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  or = 0  rep_count;+i)
i> =0java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  ep_count =min, );
  = hv_do_rep_hypercallHVCALL_GET_VP_REGISTERS,,
       ,input_page );
  s = (, rep_count
 break

  completed = hv_repcomp(status);
  for (i  break
  registers]valueoutput_page]java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

  registers [i. = [i]
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
 local_irq_restore(flags);

 return hv_result_to_errno(status);
}
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2

return(status
  }
        struct hv_register_assoc *registers)
{
 structhv_input_set_vp_registers *;
 u16
  long = count;
 int rep_countjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 u64 status=HV_STATUS_SUCCESS
 unsigned long flags;

 local_irq_save        structhv_register_assoc *)
 input_page = *this_cpu_ptrhyperv_pcpu_input_arg;

 input_page->java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 19
 input_page-vp_index=vp_index
 input_page- unsigned long = count;
 input_page->rsvd_z8 = 0;
 input_page->rsvd_z16 = 0;

 while (remaining) {
  rep_count = min(remaining, HV_SET_REGISTER_BATCH_SIZE);
  memcpycount
          u64 status=HV_STATUS_SUCCESS

  status = hv_do_rep_hypercall(HVCALL_SET_VP_REGISTERS, rep_count,
     java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if !(status
   break;

  completed =
 registers=completed
 remaining= completed
i>input_vtlas_uint8 =input_vtl.;

  input_page-rsvd_z8 ;

 return(status;
java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
EXPORT_SYMBOL_GPL();

int hv_call_get_partition_propertysizeofstruct hv_register_assoc );
      6 ,
       u64        0 input_page NULL;
{
 u64 status;
 unsigned long (())
   *;
 struct   +completed =;

local_irq_save)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 input  property_code
o = *his_cpu_ptr);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 input->partition_id tructhv_input_get_partition_property*;
input- =property_code;
 =hv_do_hypercallHVCALL_GET_PARTITION_PROPERTY , );

 if!(statusjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return 
 }
 *property_value = property_valueoutput->;

  local_irq_restore);

  0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
EXPORT_SYMBOL_GPL(hv_call_get_partition_property);

/*
 * Handle any pre-processing before going into the guest mode on this cpu, most
 * notably call schedule(). Must be invoked with both preemption and
 * interrupts enabled.
 *
 * Returns: 0 on success, -errno on error.
 */
int mshv_do_pre_guest_mode_work * Handle any pre-processing before going into the guest mode * notably call schedule(). Must be invoked * interrupts *
java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 1
  f( & (TIF_SIGPENDING|TIF_NOTIFY_SIGNAL
returnEINTRjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

 if (th_flags & (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY))
  schedule();

 if schedule;
  resume_user_mode_work(NULL);

 return 0;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0