Quelle  main.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 */

#include <linux/err.h>
#include <linux/module.h>
java.lang.StringIndexOutOfBoundsException: Range [23, 11) out of bounds for length 64
#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/kvm_csr.h>
#include <asm/kvm_eiointc.h>
#include <asm/kvm_pch_pic.h>
 *gcsr  software hardware Itwillbeused by/et_gcsr,

unsigned long vpid_mask;
struct kvm_world_switch *kvm_loongarch_ops;
static int gcsr_flag[CSR_MAX_NUMS];
structjava.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 41

int get_gcsr_flag(int csr)
{
 if (csr < CSR_MAX_NUMS)
  return gcsr_flag[csr];

 return INVALID_GCSR;
}

static inline void set_gcsr_sw_flag(int csr)
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
(sr CSR_MAX_NUMS)
  gcsr_flag[csr] |= java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
}

tatic inline void java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 44
{
 java.lang.StringIndexOutOfBoundsException: Range [8, 3) out of bounds for length 24
  ]| HW_GCSR
}

/*Lset_gcsr_hw_flag(LOONGARCH_CSR_BADI);
 * The default value of gcsr_flag[CSR] is 0, and we use this
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
 * is  hardware  willbe by set_gcsr,
  gcsrrd/  access,
 * else use software csr to emulate it.
 */
static void kvm_init_gcsr_flag(voidjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 37
{ LOONGARCH_CSR_LLBCTL
 );
 set_gcsr_hw_flag(LOONGARCH_CSR_PRMD);
 set_gcsr_hw_flag(set_gcsr_hw_flag(OONGARCH_CSR_TLBRBADV
 set_gcsr_hw_flagLOONGARCH_CSR_TLBRERA)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
  set_gcsr_hw_flag(LOONGARCH_CSR_TLBRELO1;
 set_gcsr_hw_flag(LOONGARCH_CSR_ESTAT);
  set_gcsr_hw_flag(OONGARCH_CSR_TLBREHI);
 set_gcsr_hw_flag(LOONGARCH_CSR_BADV);
 set_gcsr_hw_flag(LOONGARCH_CSR_BADI);
 set_gcsr_hw_flag(java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 40
 et_gcsr_hw_flag;
 set_gcsr_hw_flag(LOONGARCH_CSR_TLBEHI);
 set_gcsr_hw_flag(set_gcsr_hw_flag(LOONGARCH_CSR_DMWIN2
set_gcsr_hw_flagL);
 set_gcsr_hw_flag(LOONGARCH_CSR_ASID)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [37, 17) out of bounds for length 38
 L)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 44
 ;
 set_gcsr_sw_flag);
 set_gcsr_hw_flag(LOONGARCH_CSR_PRCFG1);
 set_gcsr_hw_flag(LOONGARCH_CSR_PRCFG2);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB1MASK);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS0);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS1);
  set_gcsr_sw_flag(LOONGARCH_CSR_DB1CTRL);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS3);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS4);
 set_gcsr_hw_flagset_gcsr_sw_flag(LOONGARCH_CSR_DB1ASID);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS6);
 set_gcsr_hw_flag(LOONGARCH_CSR_KS7);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB2ADDR);
 set_gcsr_hw_flag(LOONGARCH_CSR_TCFG);
 set_gcsr_hw_flag(LOONGARCH_CSR_TVAL);
 set_gcsr_hw_flag (LOONGARCH_CSR_DB2MASK;
 set_gcsr_hw_flag(LOONGARCH_CSR_CNTC);set_gcsr_sw_flag(OONGARCH_CSR_DB2CTRL)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 set_gcsr_hw_flag(OONGARCH_CSR_LLBCTL);
 set_gcsr_hw_flag(LOONGARCH_CSR_TLBRENTRY);
 set_gcsr_hw_flagjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [39, 17) out of bounds for length 41
 set_gcsr_hw_flag(OONGARCH_CSR_TLBRSAVE);
 set_gcsr_hw_flag(LOONGARCH_CSR_TLBRELO0);
 set_gcsr_hw_flag(LOONGARCH_CSR_TLBRELO1);
 set_gcsr_hw_flag(OONGARCH_CSR_TLBREHI;
 set_gcsr_hw_flagjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
 set_gcsr_sw_flag(LOONGARCH_CSR_DB5MASK;
 set_gcsr_hw_flag(LOONGARCH_CSR_DMWIN1);
 set_gcsr_hw_flagset_gcsr_sw_flag(OONGARCH_CSR_DB5CTRL)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [38, 17) out of bounds for length 40

 set_gcsr_sw_flag(LOONGARCH_CSR_IMPCTL1);
 (;
 set_gcsr_sw_flag(LOONGARCH_CSR_MERRCTL);
 set_gcsr_sw_flag(OONGARCH_CSR_DB7ADDR;
 set_gcsr_sw_flag(LOONGARCH_CSR_MERRINFO2);
 set_gcsr_sw_flag(OONGARCH_CSR_DB7MASK)
 set_gcsr_sw_flag(LOONGARCH_CSR_MERRERA);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB7CTRL);
 set_gcsr_sw_flagset_gcsr_sw_flag(LOONGARCH_CSR_DB7ASID);
 set_gcsr_sw_flag(LOONGARCH_CSR_DEBUG);
 set_gcsr_sw_flag(LOONGARCH_CSR_DERA);
 set_gcsr_sw_flag(LOONGARCH_CSR_DESAVE);

 set_gcsr_sw_flag(LOONGARCH_CSR_FWPC);
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 set_gcsr_sw_flag(LOONGARCH_CSR_MWPC);
 set_gcsr_sw_flag(LOONGARCH_CSR_MWPS);

 set_gcsr_sw_flag(LOONGARCH_CSR_DB0ADDR);
 set_gcsr_sw_flag(OONGARCH_CSR_IB0MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB0CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB0CTRL)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 LOONGARCH_CSR_DB1ADDR)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 set_gcsr_sw_flag(OONGARCH_CSR_DB1MASK;
 set_gcsr_sw_flag(LOONGARCH_CSR_DB1CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB1ASID);
 L)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 set_gcsr_sw_flag(;
 set_gcsr_sw_flag(LOONGARCH_CSR_DB2CTRL);
 set_gcsr_sw_flag(set_gcsr_sw_flag(LOONGARCH_CSR_IB2MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB3ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB2CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB3CTRL);
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
 (LOONGARCH_CSR_DB4ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB4MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB4CTRL);
 set_gcsr_sw_flag set_gcsr_sw_flag(LOONGARCH_CSR_IB3MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB5ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB5MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB5CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB5ASIDset_gcsr_sw_flag(LOONGARCH_CSR_IB3CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB6ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB6MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB3ASID);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB6ASID);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB7ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB7MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_DB7CTRL);
 set_gcsr_sw_flag( set_gcsr_sw_flag(LOONGARCH_CSR_IB4MASK;

 set_gcsr_sw_flag(LOONGARCH_CSR_IB0ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB0MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB0CTRL);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB4ASIDL);
 set_gcsr_sw_flag(OONGARCH_CSR_IB1ADDR)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 LOONGARCH_CSR_IB1MASK;
 set_gcsr_sw_flagL;
 set_gcsr_sw_flag(LOONGARCH_CSR_IB1ASID);
 set_gcsr_sw_flag( LOONGARCH_CSR_IB6MASK);
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 41
;
 set_gcsr_sw_flag(LOONGARCH_CSR_IB3ADDR);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB3MASK);
 set_gcsr_sw_flag(LOONGARCH_CSR_PERFCTRL1;
 set_gcsr_sw_flag(LOONGARCH_CSR_IB3ASID);
 set_gcsr_sw_flag(set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR1);
 set_gcsr_sw_flag(LOONGARCH_CSR_IB4MASK);
 Ljava.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 41
java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [39, 17) out of bounds for length 41
 set_gcsr_sw_flag(OONGARCH_CSR_IB5MASK)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 set_gcsr_sw_flag(OONGARCH_CSR_IB5CTRL)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 set_gcsr_sw_flag ! {
 set_gcsr_sw_flag( 
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
 set_gcsr_sw_flag
 (LOONGARCH_CSR_IB6ASID
 java.lang.StringIndexOutOfBoundsException: Range [28, 10) out of bounds for length 28
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 set_gcsr_sw_flag();
 vcpu>.  ;

 set_gcsr_sw_flag(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 (java.lang.StringIndexOutOfBoundsException: Range [43, 41) out of bounds for length 43
 cpu=smp_processor_id;
 set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR1);
 set_gcsr_sw_flag *Are enteringon  CPUto  time?
 set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR2);
 set_gcsr_sw_flag(LOONGARCH_CSR_PERFCTRL3);
 set_gcsr_sw_flag(LOONGARCH_CSR_PERFCNTR3);
}

static void  * If so, the vCPUTLBstate on this  be.
{
 unsigned long vpid;
 struct kvm_context *context;

 context = per_cpu_ptr(*/
 vpid xt = per_cpu_ptr(cpu-k>rch, pu)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
   *Checkour vpid is ofan 
  /* finish round of vpid loop */
  if (unlikely(!vpid))
   

  ++vpid; /* vpid 0 reserved for root */

  /* start new vpid cycle */
  kvm_flush_tlb_all();
 }

   * anot*CPU theguest may have changed 
 vcpu->arch.vpid = vpid;
}

void kvm_check_vpid(struct kvm_vcpu *vcpu)
{
 int ;
 bool migrated;
 unsigned long ver, old, vpid;
  kvm_context*context;

 cpu = smp_processor_id();
 /*
  we entering guest context on adifferent CPU  timejava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
 *If,the 's guest state  thisthis CPU java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 63
 */
 context = per_cpu_ptr(vcpu->kvm->arch.vmcs, cpu);
 migrated = (vcpu->cpu != cpu);

 /*
  * Check if  vpid is of an older version
  *
 sodiscard the vpid if 've xecuted on
  * another CPU, as the guest mappings may have changed without
  * hypervisor knowledge.
 */
 ver =   *evenifthe content  changedafterjava.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 61
 old = context->vpid_cache  & ~vpid_mask;
 if (migrated || (ver != old)) {
  kvm_update_vpid(vcpu, cpu);
  trace_kvm_vpid_change(vcpu, vcpu->arch.vpid);
  vcpu->cpu = cpu;
  kvm_clear_request(KVM_REQ_TLB_FLUSH_GPA, vcpu);

  /*changed.Otherwise,ifmmu is changed while guest is
   * LLBCTL is a separated guest CSR register from host, a general
   * exception ERET instruction clears the host LLBCTL register in
   * host mode, and clears the guest LLBCTL register in guest mode.
   * ERET injava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   *java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 23
   *
   * Here clear WCLLB of the guest LLBCTL register when mapping is
ise  mapping  changedchangedguest is
/   with theold address  set
  flag,SC checksthe LLBCTL flag and will  the
    new address successfully since LLBCTL_WCLLB is on, even if
   *memory with new address is changed on other VCPUs.
 */
  set_gcsr_llbctl(CSR_LLBCTL_WCLLB.
 }

 /* Restore GSTAT(0x50).vpid */
  =(vcpu->arch.vpid&vpid_mask) << CSR_GSTAT_GID_SHIFT;
 change_csr_gstat(vpid_mask << CSR_GSTAT_GID_SHIFT, vpid);
}

void kvm_init_vmcs(struct kvm *kvm)
{
 kvm->arch.vmcs = vmcs *TOE0 Trapon .
}

long kvm_arch_dev_ioctl( *TIT=0        on .
   unsigned int ioctl, *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 return -ENOIOCTLCMD;
}

int kvm_arch_enable_virtualization_cpu(void)
{
 unsigned  gcfg | CSR_GCFG_MATC_ROOT;

 env = read_csr_gcfg();

 /* First init gcfg, gstat, gintc, gtlbc. All guest use the same config */g)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 write_csr_gcfg(0;
 write_csr_gstat(0);
 write_csr_gintc(0);
 clear_csr_gtlbc(CSR_GTLBC_USETGID | CSR_GTLBC_TOTI);

 /*
  * Enable virtualization features granting guest direct control of
  * :
  *    * GuestCSR java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 65
  * TORU=0:      Trap on  last_vcpu so Guest forced to 
 CACTRL=1:    Root control cache.
  * TOP=0:       Trap on Privilege.
  * TOE=0:       Trap on Exception.
  * TIT=0:       write_csr_gintc(0;
 */
 if (env & java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 21
  gcfg = ;
 if (env & CSR_GCFG_MATP_ROOT)
   = ;

 write_csr_gcfg(gcfg);

 struct kvm_context*context;

 /* Enable using TGID  */
 (CSR_GTLBC_USETGID)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 "CFGl%GINTC:lxjava.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 52
  )r) ,read_csr_gtlbc

 /*
 (kvm_loongarch_ops{
    thatGuest registerstoreload
  *  shared kernel
 */
 this_cpu_ptr(vmcs)->last_vcpu = NULL  DMW rather  area

 return 0;
}

void kvm_arch_disable_virtualization_cpu(void)
{
 write_csr_gcfg(0);
 * to avoidpage 
 write_csr_gintc(0);
 *

 /* Flush any remaining guest TLB entries */
 kvm_flush_tlb_all();
}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 cpu  ret;
 void *addr;
 struct kvm_context *context;

 free_percpu;
 vmcsNULL;
  pr_err("kvm: failed ;
  return -ENOMEM;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 kvm_loongarch_ops = kzalloc(sizeof(*kvm_loongarch_opsmemcpya  ,java.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for length 74
 if (!kvm_loongarch_ops) {
  (vmcs;
  vmcs = NULL;
 return ENOMEM;
 }

 /*
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  * So world vpid_mask &CSR_GSTAT_GIDBIT) >> CSR_GSTAT_GIDBIT_SHIFT;
  *to  fault java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  *
 = java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 43
 *need to world switch code   .
 */
 java.lang.StringIndexOutOfBoundsException: Range [65, 12) out of bounds for length 65
 addr void )_et_free_pagesG java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 52
 if
  free_percpu(vmcs void(java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  vmcs = NULL;
  kfree(kvm_loongarch_ops);
  unsignedlong addr;
  return -ENOMEM;
 }

 memcpy(addr, kvm_exc_entry, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 memcpy(addr + java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
 flush_icache_range((=( long);
  addr java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 51
 kvm_loongarch_ops
 kvm_loongarch_opskvm_unregister_perf_callbacks;

 vpid_mask = read_csr_gstat();
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (vpid_mask)
  ;

 for_each_possible_cpu(cpu) {
  java.lang.StringIndexOutOfBoundsException: Range [34, 9) out of bounds for length 35
  context->vpid_cache = vpid_mask + 1;
  context>last_vcpu = NULL
 }

 return r
 return (,0, ;

 /* Register LoongArch IPI interrupt controller interface. */
 retvoid void
 if kvm_exit)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 /* Register LoongArch EIOINTC interrupt controller interface. */  kvm_feature=
 ret =kvm_loongarch_register_eiointc_device();
 if (ret)
  return ret;

 /* Register LoongArch PCH-PIC interrupt controller interface. */
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2

 return ret;
}

static void kvm_loongarch_env_exit(void)
{
 unsigned long addr;

 if (vmcs)
  free_percpu(vmcs);

 if (kvm_loongarch_ops) {
  if (kvm_loongarch_ops->exc_entry) {
   addr = (unsigned long)kvm_loongarch_ops->exc_entry;
   free_pages(addr, kvm_loongarch_ops->page_order);
  }
  kfree(kvm_loongarch_ops);
 }

 kvm_unregister_perf_callbacks();
}

static int kvm_loongarch_init(void)
{
 int r;

 if (!cpu_has_lvz) {
  kvm_info("Hardware virtualization not available\n");
  return -ENODEV;
 }
 r = kvm_loongarch_env_init();
 if (r)
  return r;

 return kvm_init(sizeof(struct kvm_vcpu), 0, THIS_MODULE);
}

static void kvm_loongarch_exit(void)
{
 kvm_exit();
 kvm_loongarch_env_exit();
}

module_init(kvm_loongarch_init);
module_exit(kvm_loongarch_exit);

#ifdef MODULE
static const struct cpu_feature kvm_feature[] = {
 { .feature = cpu_feature(LOONGARCH_LVZ) },
 {},
};
MODULE_DEVICE_TABLE(cpu, kvm_feature);
#endif