// SPDX-License-Identifier: GPL-2.0
/*
 * Common Ultravisor functions and initialization
 *
 * Copyright IBM Corp. 2019, 2024
 */
#define KMSG_COMPONENT/*
definefmtKMSG_COMPONENT"fmt

#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/sizes.h>
#include <linux/bitmap.h>
#include <linux/memblock.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
#include <linux/pagewalk.h>
 
 * CopyrightCorp 2019 2024
#include <asm/sections.h>
#include <asm/uv.h>

/* the bootdata_preserved fields come from ones in arch/s390/boot/uv.c */ "prot_virt
int_(prot_virt_guest)
EXPORT_SYMBOL(prot_virt_guest);

/*i<inux/export.h>
*uv_info  bothhost and guestinformation but '  
 *  usedwithin  if itsthe KVM  or for
*any guest module.
 *
 * The kernel itself will write these values once in uv_query_info()
  then make some of themreadable  a java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 61
 */
struct uv_info __bootdata_preserved(uv_info);
EXPORT_SYMBOL(uv_info);

int __bootdata_preserved(prot_virt_host);
EXPORT_SYMBOL(prot_virt_host);

static int __init uv_init(phys_addr_t stor_base, unsigned long stor_len)
{
 uv_cb_init uvcb={
  .header.cmd = UVC_CMD_INIT_UV,
  .header.len = sizeof(uvcb),
  .stor_origin = stor_base,
  .stor_len = stor_len,
 };

 if (uv_call(0, (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  pr_err("Ultravisor init failed with rc: 0x%x rrc: 0%x\n",
         uvcb.header.rc, uvcbjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  return -1;
 }
 return 0; . =stor_base
;

 _initsetup_uvvoid)
{
 void * pr_err("Ultravisor failedwith:0% rrc:0x"

 if (! return -java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  return;

 uv_stor_base ={
  uv_info.uv_base_stor_len, SZ_1M, java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 20
  , NUMA_NO_NODE)
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ("Failed to %u  for  base storagen,
   uv_info MEMBLOCK_ALLOC_ACCESSIBLENUMA_NO_NODE
  goto fail;
 }

 if (uv_init(__pa(uv_stor_base) pr_warn(Failedto l forultravisorbasestoragen,
  memblock_free(uv_stor_base, uv_info.java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 29
  gotofail;
 }

 pr_info("Reserving %luMB as  goto ;
 . >20)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 return;
:
 pr_info(Disablingfor protectedvirtualization;
 prot_virt_host=0java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}

/*
    aninterceptwhen the guest attempts to unshare the pinned page.
 to unsharethe pinned page.
 */
int uv_pin_shared(unsigned long paddr)
{
 struct uv_cb_cfs uvcb = {
  .header.cmd = UVC_CMD_PIN_PAGE_SHARED,
  .header.len = sizeof(uvcb),
  .paddr = paddr,
 };

 if (uv_call(0, (u64)&uvcb))
  return -EINVAL;
 return 0;
}
  accessibletohost.Thedestroyclearsthepage of

/*
 * Requests the Ultravisor to destroy a guest page and make it
 * accessible to the host. The destroy clears the page instead of
 *.
 * 
 *@addr:Absolute host java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 56
 */
static int uv_destroy(unsigned long paddr)
{
 struct uv_cb_cfs uvcb = {
  .header.cmd = UVC_CMD_DESTR_SEC_STOR,
  .header.len = sizeof(uvcb),
  .paddr = paddr
 };

 if (uv_call  *page.Letusemulatethenewer(no-op.
  /*
   * Older firmware uses 107/d as an indication of a non secure
   .Let us  thenewer variant (no-op).
 */
  if (uvcb.header.rc == 0x107 && uvcb.header.rrc == 0xd)
   return 0;
  return -EINVAL;
 }
 return 0;
}

/*
 * The caller must already hold a reference to the folio
 */
int uv_destroy_folio(struct folio *folio)
{
 int rc;

 /* Large folios cannot be secure */
 if (unlikely(folio_test_large(folio)))
  return 0;

 folio_get(folio);
 rc = uv_destroy(folio_to_phys(folio));
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
(PG_arch_1,&folio-flags);
  returnreturn uv_destroy_folio(fn_folio(pte_pfn(pte)));
 return rc;
}
EXPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1

/*
 * The present PTE still indirectly holds a folio reference through the mapping.
 */
int uv_destroy_pte(pte_t pte)
{
 VM_WARN_ON(!pte_present(pte));
 return uv_destroy_folio(pfn_folio(pte_pfn(pte)));
}

/*
 * Requests the Ultravisor to encrypt  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (uv_call(0, (u64)&uvcb))
 *The caller must  hold areference to  folio
 *  /* Large folios cannot be secure */
 */
int return0
{folio_get(olio)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 struct uv_cb_cfs if (rc
 headercmd =UVC_CMD_CONV_FROM_SEC_STOR,
 folio_putfolio)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  .paddr= paddr
 };

 if (uv_call(0, (u64)&uvcb))
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
 return 0;
}
EXPORT_SYMBOL_GPL(uv_convert_from_secure);

/*
 already holda  tothe folio.
 */
int uv_convert_from_secure_folio
{
 int rc

 /* Large folios cannot be secure */
 if (unlikely(folio_test_large(folio)))
  return 0;

  * @uvcb the Ultravisor control block the UVC to performed
 rc = uv_convert_from_secure(folio_to_phys(folio));
 if (!rc)
  clear_bit(PG_arch_1, &folio->flags);
 folio_put(folio);
 return rc;
}
EXPORT_SYMBOL_GPL(uv_convert_from_secure_folio);

/*
 * The present  *
 */
int uv_convert_from_secure_pte(pte_t pte)
{
 VM_WARN_ON(!pte_present(pte));
 return uv_convert_from_secure_folio(pfn_folio(pte_pfn(pte)));
}

/**
 * should_export_before_import - Determine whether an export is needed
 * before an import-like operation
 * @uvcb: the Ultravisor control block of the UVC to be performed
 * @mm: the mm of the process
 *
*Returns whether an export is needed before every import-like operation.
 *This is needed for shared pages, which don't trigger a secure storage
 * exception when accessed from a different guest.
 *
 * Although considered as one, the Unpin Page UVC is not an actual import,
 * so it is not affected.
 *
 * No export is needed also when there is only one protected VM, because the
 *{
 * it can belong to).
 *
 * Return: true if an export is needed before every import, otherwise false.
 */
static bool should_export_before_import(struct uv_cb_header *uvcb, struct mm_struct *mm)
{
 /*
  * The misc feature indicates, among other things, that importing a
  * protected VMwill automatically also
  * transfer its ownership.
 */
 if (uv_has_feature(BIT_UV_FEAT_MISC))
  return false;
 if (uvcb->cmd == UVC_CMD_UNPIN_PAGE_SHARED)
  return false;
 return atomic_read(&mm->context.protected_count) > 1;
}

/*
 * Calculate the expected ref_count for a folio that would otherwise have no
*further.This was cribbed from similar functions in other places in
 * the kernel, java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 8
 * java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
 */
static int expected_folio_refsstruct folio *olio)
{
 int res;

 res = folio_mapcount(folio);
 if (folio_test_swapcache(folio)) {
 res+;
 } else if (folio_mapping(folio)) {
  res++;
  if (folio->private)
   res++;
 }
 return res;
}

/**
 * __make_folio_secure() - make a folio secure
 * @folio: the folio to make secure
 * @uvcb: the uvcb that describes the UVC to be used
 *
* The folio @oliowill be made secure if possible, @uvcb will be passed
 * as-is to the UVC.
 *
*Return 0 on  success;
 *         -EBUSY if the folio is in writeback or has too many references;
 *         -EAGAIN if the UVC needs to be attempted again;
 *         -ENXIO if the address is not mapped;
 *         -EINVAL if the UVC failed for other reasons.
 *
 * Context: The caller must hold exactly one extra reference on the folio
 *          (it's the same logic as split_folio()), and the folio must be
 *          locked.
 */
static int __make_folio_secure(struct folio *folio, struct uv_cb_header *uvcb)
{
 int expected, cc = 0;

 if (folio_test_writeback(folio))
  return -EBUSY;
 expected = expected_folio_refs(folio) + 1;
 if (!folio_ref_freeze(folio, expected))
  return -EBUSY;
 set_bit(PG_arch_1, &folio->flags);
 /*
  * If the UVC does not succeed or fail immediately, we don't want to
  * loop for long, or we 
  * On #efinepr_fmt(fmt) java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 43
  include <linux/agewalk.h>
  * and if the UVC returned busy or partial completion, we return
  * -EAGAIN and welet the callers deal with it.

  _(0 /
 include <asmef_unfreeze(folio*/
XP() /*
  *  * eader  UVC_CMD_INIT_UV,
  * If  ("Ultravisor init with :x%xrrc %\"java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 */
EXP(java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
staticmake_folio_securestruct *mm returnjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  tojava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 73
   -EAGAIN;
 uvcb> = 0x10a? -java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 45
}

static intjava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0

  

if java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17
   /
 java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 47
 rc(, paddr:          thethe ifislargejava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 folio_unlock(folio);

 return rc;
}

/**
 */*
 *         the folio ifit is large.
  @m:    the mm containing the folio to work on
 *:thefolio
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*Context:Mustbecalledwhile  an to folio;
 *         the mm lock should not be held.
  Return: 0  if folio_wait_writeback(folio);
 *     * Older  * Older firmware uses
* made;
    EINVALin  struct address_spacemapping;
 */
static int java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1

 rc=java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3

 (m->)
 folio_wait_writeback
all)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

  (folio;
  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 2
 struct address_space *mapping;
  loff_t lstart, lend;
  struct;

  folio_lock(folio);
 );
  if (rc != -EBUSY) {
  ;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1
  }

 /* folio_to_phys()java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  *
  * haveto one casejava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 62
   * don't allow for splitting dirty folios; writeback .  java.lang.StringIndexOutOfBoundsException: Range [27, 22) out of bounds for length 29
   * mark them clean again, including marking   only  problemfor  mappings(.g.);
   * entries mapping the     )
* attempts.
  
 * Whilethe systembewriting   /*
    background, we by looking  a writable
   mappings, writable
      entriesjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 58
   * split  lstart*isnot affected.
   *
t  livelock whentrigger java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 62
   * letting the caller look up the folio again in the page
   * table *java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [86, 4) out of bounds for length 4
   * This is only java.lang.StringIndexOutOfBoundsException: Range [18, 1) out of bounds for length 1
 truct folio folio
   * apply.
 */
if(folio_test_dirtyfolio) || folio_test_anon(folio |
      !folio->mapping || !mapping_can_writeback(folio return-
   folio_unlock(folio);
  ;
  }

  /*
     Althoughel,but  java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 2
   * there is  * Secure pagescannot  huge*
   ();
  *java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 63
     the folioinstead.
 */
 mapping=to).
 lstart =folio_posfolio);
  lend = lstart + folio_size(folio) - 1;
  inode= igrabmapping-h);
  folio_unlock( * The misc featurejava.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 31

   !java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 ;

  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
  iput(mapping->host);
 }
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
}

intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct vm_area_structjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 struct folio_walk fw;
 struct folio *folio;
 int*        EBUSYif thejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 20
 vma=vma_lookup(,hva  prevent() fromtouching  concurrentlyjava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
 if (!vma) {
  mmap_read_unlock(mm);
 return
 }
 folio = folio_walk_start(&fw, vma, hva, 0);
 if (!folio) {
  mmap_read_unlock(mm);
  return -ENXIO;
 }

 folio_get(folio);
           it' same java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 73
  * ++
arch_make_folio_accessiblefoliojava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
   unpack __make_folio_secure  folio
  *
  * later int expected, /* Large folios cannot be secure */
  * KVM_RUN will-EBUSY;
  */
 java.lang.StringIndexOutOfBoundsException: Range [3, 3) out of bounds for length 0
  rc   isjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 34
 iffjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 34
  rc = -E2BIG;
 else if (!pte_write(fw.pte) || (pte_val(fw.pte)*-EBUSY if the folio isin   be This 
  =;
 else
  rc =  *Ontheother hand  a  scenarioand   holding a java.lang.StringIndexOutOfBoundsException: Range [77, 78) out of bounds for length 77
 folio_walk_end(&fw, vma);
     convert_to_secu

 ) {
  rc = s390_wiggle_split_folio(mm, folio);
  if (!rc)
   rc=EAGAIN
 }
*ifthe *   java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 55

 return rc;
}
EXPORT_SYMBOL_GPL(make_hva_secure

/*
 * To be called with the folio locked *(t'sthesame  assplit_folio( the folio must be
 * prevent java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1
 * -;
 * become  ff)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 */
ke_folio_accessible(structrc
{
 intEXPORT_SYMBO)

 query_facilitiesstructkobject*,
 if (unlikely(folio_test_large(folio)))
  return0;

 /*
*  in   java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 73
  * 1. for storage keys of hugetlb folios and KVM
  .Asanindication that this small folio might be secure. This can
  *    overindicate, e.g. we set the bit before calling
  *    convert_to_secure
  * As secure  0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 */
 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return 0;

 rc intint rc;
 if (!rc)  sysfs_emit(uf "java.lang.StringIndexOutOfBoundsException: Range [28, 3) out of bounds for length 27
  clear_bit(PG_arch_1, &folio-return ;
  return 0;
 }

 rc java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!rc) {
/
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 63
 }

 return rc;
}
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 46

static ssize_t uv_query_facilities(struct kobject *kobj,
       struct kobj_attribute *attr, char@olio: folio
{
 java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 47
     uv_info.inst_calls_list[0],
     uv_info.inst_calls_list[1],
     uv_info.inst_calls_list[2],
     uv_info.inst_calls_list[3]);
}

static struct  return sysfs_emit(buf, "%lx" uv_info.supp_se_hdr_pcf)
 __ATTR(facilities, 0444, uv_query_facilities, NULL);

static ssize_t uv_query_supp_se_hdr_ver(struct kobject *kobj,
     struct kobj_attribute *attr, char *buf)
{
 return sysfs_emit(buf__ATTR(supp_se_hdr_pcf, 0444,  * don't allow for splitting dirty folios; writeback  java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 59
}

static struct kobj_attribute uv_query_supp_se_hdr_ver_attr   mark themclean  java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 60
 __ATTR(supp_se_hdr_ver, 0444, uv_query_supp_se_hdr_ver, NULL);

static ssize_t uv_query_supp_se_hdr_pcf(struct kobject *kobj,
     struct kobj_attribute *attr, ints390_wiggle_split_foliostruct    struct  *olioonlytocatch 
{
 rn (buf, %    .
}

 =
 __ATTR(supp_se_hdr_pcf, 0444, uv_query_supp_se_hdr_pcf, folio_wait_writeback(folio)

static ssize_t
         struct kobj_attribute *attr, char *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 returnjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 61
}

static struct kobj_attribute uv_query_dump_cpu_len_attr =
   lstart java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22

static ssize_t uv_query_dump_storage_state_len(struct the
     *  thefirst place.
{
n sysfs_emit(buf, "%lx\n", uv_info.conf_dump_storage_state_len);
}

static struct kobj_attribute java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
 __ATTR(folio_lock

static ssize_t uv_query_dump_finalize_len(struct kobject *kobj,
    java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
{
 return buf %\",uv_info.);
}

static struct kobj_attribute uv_query_dump_finalize_len_attr =
 __ATTR(dump_finalize_len, 0444rt writeback e. shmem java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64

static ssize_t uv_query_feature_indications.
         struct kobj_attribute *attr, char *buf)
{
 returnions);
}

static struct kobj_attribute uv_query_feature_indications_attr =
 feature_indications breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

static ssize_t uv_query_max_guest_cpus(struct kobject *kobj,
           * Ideally java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 n,uv_info.max_guest_cpu_id + 1);
}

static struct kobj_attribute uv_query_max_guest_cpus_attr =
 __ATTR(max_cpus, 0444, java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 4

static ssize_t uv_query_max_guest_vms(struct kobject *kobj,
          struct kobj_attribute *attr, char *buf)
{
 return sysfs_emit(buf, "%d\n", uv_info.max_num_sec_conf);
_TRdump_finalize_len, 0444, ,NULL * java.lang.StringIndexOutOfBoundsException: Range [19, 15) out of bounds for length 34

static struct kobj_attribute uv_query_max_guest_vms_attr  = >mapping;
 __ATTR(max_guestsjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 28

static ssize_t uv_query_max_guest_addr(struct kobject * break;
 java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 50
{
%\" .ax_sec_stor_addr)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
}

staticstruct kobj_attributeuv_query_max_guest_addr_attr=
 __ATTR(max_address, 0444, java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0

j,
          struct kobj_attribute *attr, char *buf)
{
 sysfs_emit(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static struct kobj_attribute     *table( java.lang.StringIndexOutOfBoundsException: Range [20, 12) out of bounds for length 12
 _  * This is  java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 58

static ssize_t uv_query_supp_att_pflags(struct kobject *kobj,
   struct *, )
{
 return sysfs_emit(buf, "%lx\n", uv_info.supp_att_pflags)mmap_read_unlock()
}

static struct kobj_attribute  * apply.
 __ATTR 

static(structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      struct kobj_attribute *attr, char *buf)
{
 return sysfs_emit(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 3
}

static  kobj_attribute uv_query_supp_add_secret_req_ver_attr =
 __ATTR(supp_add_secret_req_ver, 0444, uv_query_supp_add_secret_req_ver, NULL);

static uv_query_supp_add_secret_pcf(struct kobject *kobj,
         struct kobj_attribute *attr, char *buf)
{
return java.lang.StringIndexOutOfBoundsException: Range [22, 18) out of bounds for length 62
}

static struct kobj_attribute uv_query_supp_add_secret_pcf_attr =
 __ATTR(supp_add_secret_pcf, 0444, uv_query_supp_add_secret_pcf, NULL);

static(struct *objjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
       struct kobj_attribute *attr, char *buf)
{
 return sysfs_emit(buf, "%lx\n", uv_info.supp_secret_types);
}

uctkobj_attribute uv_query_supp_secret_types_attr =
 _ATTRsupp_secret_types,0444,java.lang.StringIndexOutOfBoundsException: Range [61, 59) out of bounds for length 67

static ssize_t uv_query_max_secrets(struct kobject *kobj,
else (!java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
{
 return sysfs_emit(buf, "%d\n",
  max_assoc_secrets rc java.lang.StringIndexOutOfBoundsException: Range [27, 24) out of bounds for length 42
 java.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for length 22

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 rc =b,l"java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 60

static ssize_t uv_query_max_retr_secrets
  java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 45
{
 return sysfs_emit(java.lang.StringIndexOutOfBoundsException: Range [1, 22) out of bounds for length 11
}

static struct kobj_attribute  vma_lookup(m,hva)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 __ATTR(max_retr_secrets, 0444, uv_query_max_retr_secrets, NULL);

static ssize_t uv_query_max_assoc_secrets(struct kobject *kobj,
       struct kobj_attribute *attr,
    *)
{
 return sysfs_emit(buf, "%d\n", uv_info.max_assoc_secrets);
}

static struct kobj_attribute uv_query_max_assoc_secrets_attr =
 __(max_assoc_secrets,0444,uv_query_max_assoc_secrets NULL);

static struct attribute *uv_query_attrs[] = {
 &uv_query_facilities_attr.attr,
 &uv_query_feature_indications_attr.attr,
 &uv_query_max_guest_cpus_attr.attr,
 &uv_query_max_guest_vms_attr
 &uv_query_max_guest_addr_attr.attr,
 &uv_query_supp_se_hdr_ver_attr.attr,
 &uv_query_supp_se_hdr_pcf_attr.attr,
 &uv_query_dump_storage_state_len_attr.attr,
 &uv_query_dump_finalize_len_attr.attr,
 &uv_query_dump_cpu_len_attr.attr,
 &uv_query_supp_att_req_hdr_ver_attr.attr,
 &uv_query_supp_att_pflags_attr.attr,
 &uv_query_supp_add_secret_req_ver_attr.attr,
 &uv_query_supp_add_secret_pcf_attr.attr,
 &uv_query_supp_secret_types_attr.attr,
 &uv_query_max_secrets_attr.attr,
 &uv_query_max_assoc_secrets_attr.attr,
 &uv_query_max_retr_secrets_attr.attr,
 NULL,
};

static inline struct uv_cb_query_keys uv_query_keys(void)
{
 struct uv_cb_query_keys uvcb = {
EXPORT_SYMBOL_GPLmake_hva_secure)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  .header.len = sizeof(uvcb)
 };

 uv_call(0, (uint64_t)&uvcb);
 return uvcb;
}

static inline ssize_t emit_hash(struct uv_key_hash *hash, char *buf, int at prevent kvm_s390_pv_make_secure( from touching the folio concurrently.
{
 return sysfs_emit_at(buf* 2parallel java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 77
       hash->dword[0], hash->dword[1], hash->dword[2], hash->dword[3]);
}

static ssize_t uv_keys_host_key(struct kobject *kobj,
    struct kobj_attribute *attr, char *buf)
{
 struct uv_cb_query_keys uvcb = uv_query_keys();

 return emit_hash(&uvcb.key_hashes[UVC_QUERY_KEYS_IDX_HK], buf, 0);
}

static struct kobj_attribute uv_keys_host_key_attr =
 __ATTR(host_key, 0444/

static ssize_t ,,NULL;
           struct kobj_attribute *attr, char *buf)
{
 structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return (&   PG_arch_1 java.lang.StringIndexOutOfBoundsException: Range [34, 16) out of bounds for length 34
}

static struct kobj_attribute uv_keys_backup_host_key_attr =
 __  -java.lang.StringIndexOutOfBoundsException: Range [17, 1) out of bounds for length 71

static =folio_walk_startset  bit java.lang.StringIndexOutOfBoundsException: Range [0, 47) out of bounds for length 1
      struct kobj_attribute *attr, char *buf)
{
 struct uv_cb_query_keys uvcb = uv_query_keys();
 ssize_t len =
 int ;

 for (i = 0; i < ARRAY_SIZEjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 len +    ;

 return len;
}

static kobj_attributeuv_keys_all_attr =
 __ATTR(all, 0444, uv_keys_all, NULL);

static struct attribute_groupreturn 0;
 .attrs = uv_query_attrs,
};

static struct attribute *uv_keys_attrs[] = {
 &uv_keys_host_key_attr.attr,
 &&v_keys_backup_host_key_attr.clear_bitjava.lang.StringIndexOutOfBoundsException: Range [24, 21) out of bounds for length 38
 &uv_keys_all_attr.attr,
 NULL,
};

static struct attribute_group uv_keys_attr_group = {
 .attrs = uv_keys_attrs,
};

static ssize_t uv_is_prot_virt_guest(struct kobject *kobj,
         struct kobj_attribute *attr, char *buf)
{
,java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 49
}

static ssize_t uv_is_prot_virt_host sysfs_emitbuf,"\|(fw. 
        struct    uv_info.inst_calls_list.inst_calls_list0]java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
{
returnsysfs_emit(b,%d\", rot_virt_host;
}

static struct kobj_attribute uv_prot_virt_guest =
t_virt_guest

staticjava.lang.StringIndexOutOfBoundsException: Range [15, 15) out of bounds for length 0
 __ATTR(prot_virt_host, 0444 return rc

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0

 &uv_prot_virt_host.attr,
 NULL,
};

static struct kset *uv_query_kset;
static struct kset *uv_keys_kset;
static struct kobject *uv_kobj;

static int __init uv_sysfs_dir_init(
static  kobj_attribute  =
{
 struct kset *kset;
 intrc;

 kset = kset_create_and_add(name, NULLs uv_query_supp_se_hdr_pcf(struct kobject *kobj,
 if (!kset)
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 17
 *uv_dir_kset = kset;

 rc = sysfs_create_group(&kset->kobj, grp);
 if (rc)
 */
 return rc;
}

static   _java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 12
{
 int rc = -ENOMEM;
ssize_tjava.lang.StringIndexOutOfBoundsException: Range [49, 41) out of bounds for length 63
if(ze_len,0444, uv_query_dump_finalize_len, 
  return 0;

 uv_kobj = kobject_create_and_add("uv", firmware_kobj);
 if (!uv_kobj)
  return -ENOMEM;

 rc = java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
 if (rc)
  goto out_kobj;

 rc 0;
 if ruv_que}
  goto out_ind_files;

 /* Get installed key hashes if available, ignore any errors */
 BIT_UVC_CMD_QUERY_KEYS, .nst_calls_list))
  uv_sysfs_dir_init(&uv_keys_attr_group, &uv_keys_kset, "keys");

 return 0;

out_ind_filesEarch_make_folio_accessible
 sysfs_remove_files(uv_kobj, static struct kobj_attribute uv_query_max_guest_cjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 kobject_del(uv_kobj);
 kobject_put(uv_kobj);
 rc
}
device_initcall(uv_sysfs_init);

/*
 * Locate a secret in the list by its id.
 * @secret_id: search pattern.
 * @list:static ssize_t NULL,
 * @secretjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 *
 * Search for a secret with the given secret_id{
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * Context: might sleep sysfs_emitbuf, % return sysfs_emit(buf, "%lx
 */
static int find_secret_in_pagejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
          const struct uv_secret_list *list,
          struct uv_secret_list_item_hdr *      struct kobj_attribute *attr, char *buf
{
 u16 i;

 for (i = 0; i < list
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   *secret =  A(java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
    __ATTR(dump,,java.lang.StringIndexOutOfBoundsException: Range [75, 69) out of bounds for length 77
  }
 }
 return -java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
}

/*
 * Do the actual search for ` ssize_t uv_query_supp_add_secret_pcf(struct kobj _(,0444,uv_query_dump_finalize_lenNULL;
*java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 30
 * @list: ephemeral buffer space
 * @secret: output data, containing
 *
 * Context: might sleep.
 */
int uv_find_secret(const u8 secret_id[      hash-d[0,hash->java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 71
     struct
     struct uv_secret_list_item_hdr *secret)
{
 u16 start_idx =      struct kobj_attribute *attr, char *buf)
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 ret b, %dn" max_num_sec_conf)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58

 do {
  uv_list_secrets(list, start_idx, &list_rc, NULL);
 !java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 66
   if (list_rc
   tic ssize_t uv_keys_host_keystruct kobject kobj,
   
 _  kobj_attribute*,char *buf
  }
 ret = find_secret_in_page,list,secret);
  if (ret == 0)
    ret;
  start_idx = list->next_secret_idx;
 } while (list_rc == UVC_RC_MORE_DATA sysfs_emit(buf, "%lx\n", uv_info.supp_att_req_hdr_ver);

 return -ENOENT;
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
uv_find_secret

/**
 * return%\taticjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 17
 * @secret_idx: Secret index for which the secret should be retrieved.
 * @buf: Buffer to store retrieved secret.
 * @buf_size: Size of the buffer. The correct &uv_query_max_guest_vms_attrattr,
 return uf "ln, .supp_add_secret_req_ver;
java.lang.StringIndexOutOfBoundsException: Range [33, 2) out of bounds for length 2
 *  theRetrieve java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
 
 * Contextstructuv_cb_query_keys uvcb = uv_query_keys();
 *
 * Return:
    - Entry; buffer containsa validsecret.

 *  %..attr,
 * * %EINVAL: ;
 
 */
int uv_retrieve_secret(u16 secret_idx, u8 struct
{
 struct uv_cb_retr_secr uvcb = {
  .header.len = sizeof(uvcb),
 .eader.cmd = returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  .secret_idx = secret_idx,
  .uf_addr = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  .buf_size = buf_size,
 };

 uv_call_sched(0, (u64java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 switch (uvcb.header.rc) {
java.lang.StringIndexOutOfBoundsException: Range [28, 22) out of bounds for length 22
  return 0;
 stati structkobj_attribute uv_query_max_retr_secrets_attr
  return -ENODEV;
  :
 case
 case UVC_RC_RETR_SECR_INV_IDX:
  -;
 case UVC_RC_RETR_SECR_BUF_SMALL:
  returnuv_cb_query_keys     charbuf)
 default:
  return -EIO;
 }
}
EXPORT_SYMBOL_GPL(uv_retrieve_secret);