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[Xen-devel] [PATCH v2 2/4] x86/hvm: Rename enum hvm_copy_result to hvm_translation_result



From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
---
 xen/arch/x86/hvm/dom0_build.c     |  2 +-
 xen/arch/x86/hvm/emulate.c        | 40 ++++++++++++++--------------
 xen/arch/x86/hvm/hvm.c            | 56 +++++++++++++++++++--------------------
 xen/arch/x86/hvm/intercept.c      | 20 +++++++-------
 xen/arch/x86/hvm/svm/nestedsvm.c  |  5 ++--
 xen/arch/x86/hvm/svm/svm.c        |  2 +-
 xen/arch/x86/hvm/viridian.c       |  2 +-
 xen/arch/x86/hvm/vmsi.c           |  2 +-
 xen/arch/x86/hvm/vmx/realmode.c   |  2 +-
 xen/arch/x86/hvm/vmx/vvmx.c       | 14 +++++-----
 xen/arch/x86/mm/shadow/common.c   | 12 ++++-----
 xen/common/libelf/libelf-loader.c |  4 +--
 xen/include/asm-x86/hvm/support.h | 40 ++++++++++++++--------------
 13 files changed, 101 insertions(+), 100 deletions(-)

diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c
index 020c355..e8f746c 100644
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/arch/x86/hvm/dom0_build.c
@@ -238,7 +238,7 @@ static int __init pvh_setup_vmx_realmode_helpers(struct 
domain *d)
     if ( !pvh_steal_ram(d, HVM_VM86_TSS_SIZE, 128, GB(4), &gaddr) )
     {
         if ( hvm_copy_to_guest_phys(gaddr, NULL, HVM_VM86_TSS_SIZE, v) !=
-             HVMCOPY_okay )
+             HVMTRANS_okay )
             printk("Unable to zero VM86 TSS area\n");
         d->arch.hvm_domain.params[HVM_PARAM_VM86_TSS_SIZED] =
             VM86_TSS_UPDATED | ((uint64_t)HVM_VM86_TSS_SIZE << 32) | gaddr;
diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c
index 64454c7..c871cb3 100644
--- a/xen/arch/x86/hvm/emulate.c
+++ b/xen/arch/x86/hvm/emulate.c
@@ -100,7 +100,7 @@ static int ioreq_server_read(const struct hvm_io_handler 
*io_handler,
                     uint32_t size,
                     uint64_t *data)
 {
-    if ( hvm_copy_from_guest_phys(data, addr, size) != HVMCOPY_okay )
+    if ( hvm_copy_from_guest_phys(data, addr, size) != HVMTRANS_okay )
         return X86EMUL_UNHANDLEABLE;
 
     return X86EMUL_OKAY;
@@ -892,18 +892,18 @@ static int __hvmemul_read(
 
     switch ( rc )
     {
-    case HVMCOPY_okay:
+    case HVMTRANS_okay:
         break;
-    case HVMCOPY_bad_gva_to_gfn:
+    case HVMTRANS_bad_linear_to_gfn:
         x86_emul_pagefault(pfinfo.ec, pfinfo.linear, &hvmemul_ctxt->ctxt);
         return X86EMUL_EXCEPTION;
-    case HVMCOPY_bad_gfn_to_mfn:
+    case HVMTRANS_bad_gfn_to_mfn:
         if ( access_type == hvm_access_insn_fetch )
             return X86EMUL_UNHANDLEABLE;
 
         return hvmemul_linear_mmio_read(addr, bytes, p_data, pfec, 
hvmemul_ctxt, 0);
-    case HVMCOPY_gfn_paged_out:
-    case HVMCOPY_gfn_shared:
+    case HVMTRANS_gfn_paged_out:
+    case HVMTRANS_gfn_shared:
         return X86EMUL_RETRY;
     default:
         return X86EMUL_UNHANDLEABLE;
@@ -1011,15 +1011,15 @@ static int hvmemul_write(
 
     switch ( rc )
     {
-    case HVMCOPY_okay:
+    case HVMTRANS_okay:
         break;
-    case HVMCOPY_bad_gva_to_gfn:
+    case HVMTRANS_bad_linear_to_gfn:
         x86_emul_pagefault(pfinfo.ec, pfinfo.linear, &hvmemul_ctxt->ctxt);
         return X86EMUL_EXCEPTION;
-    case HVMCOPY_bad_gfn_to_mfn:
+    case HVMTRANS_bad_gfn_to_mfn:
         return hvmemul_linear_mmio_write(addr, bytes, p_data, pfec, 
hvmemul_ctxt, 0);
-    case HVMCOPY_gfn_paged_out:
-    case HVMCOPY_gfn_shared:
+    case HVMTRANS_gfn_paged_out:
+    case HVMTRANS_gfn_shared:
         return X86EMUL_RETRY;
     default:
         return X86EMUL_UNHANDLEABLE;
@@ -1383,7 +1383,7 @@ static int hvmemul_rep_movs(
             return rc;
         }
 
-        rc = HVMCOPY_okay;
+        rc = HVMTRANS_okay;
     }
     else
         /*
@@ -1393,16 +1393,16 @@ static int hvmemul_rep_movs(
          */
         rc = hvm_copy_from_guest_phys(buf, sgpa, bytes);
 
-    if ( rc == HVMCOPY_okay )
+    if ( rc == HVMTRANS_okay )
         rc = hvm_copy_to_guest_phys(dgpa, buf, bytes, current);
 
     xfree(buf);
 
-    if ( rc == HVMCOPY_gfn_paged_out )
+    if ( rc == HVMTRANS_gfn_paged_out )
         return X86EMUL_RETRY;
-    if ( rc == HVMCOPY_gfn_shared )
+    if ( rc == HVMTRANS_gfn_shared )
         return X86EMUL_RETRY;
-    if ( rc != HVMCOPY_okay )
+    if ( rc != HVMTRANS_okay )
     {
         gdprintk(XENLOG_WARNING, "Failed memory-to-memory REP MOVS: sgpa=%"
                  PRIpaddr" dgpa=%"PRIpaddr" reps=%lu bytes_per_rep=%u\n",
@@ -1512,10 +1512,10 @@ static int hvmemul_rep_stos(
 
         switch ( rc )
         {
-        case HVMCOPY_gfn_paged_out:
-        case HVMCOPY_gfn_shared:
+        case HVMTRANS_gfn_paged_out:
+        case HVMTRANS_gfn_shared:
             return X86EMUL_RETRY;
-        case HVMCOPY_okay:
+        case HVMTRANS_okay:
             return X86EMUL_OKAY;
         }
 
@@ -2171,7 +2171,7 @@ void hvm_emulate_init_per_insn(
                                         &addr) &&
              hvm_fetch_from_guest_linear(hvmemul_ctxt->insn_buf, addr,
                                          sizeof(hvmemul_ctxt->insn_buf),
-                                         pfec, NULL) == HVMCOPY_okay) ?
+                                         pfec, NULL) == HVMTRANS_okay) ?
             sizeof(hvmemul_ctxt->insn_buf) : 0;
     }
     else
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 6cb903d..488acbf 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -2915,9 +2915,9 @@ void hvm_task_switch(
 
     rc = hvm_copy_from_guest_linear(
         &tss, prev_tr.base, sizeof(tss), PFEC_page_present, &pfinfo);
-    if ( rc == HVMCOPY_bad_gva_to_gfn )
+    if ( rc == HVMTRANS_bad_linear_to_gfn )
         hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
-    if ( rc != HVMCOPY_okay )
+    if ( rc != HVMTRANS_okay )
         goto out;
 
     eflags = regs->eflags;
@@ -2955,20 +2955,20 @@ void hvm_task_switch(
                                   offsetof(typeof(tss), trace) -
                                   offsetof(typeof(tss), eip),
                                   PFEC_page_present, &pfinfo);
-    if ( rc == HVMCOPY_bad_gva_to_gfn )
+    if ( rc == HVMTRANS_bad_linear_to_gfn )
         hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
-    if ( rc != HVMCOPY_okay )
+    if ( rc != HVMTRANS_okay )
         goto out;
 
     rc = hvm_copy_from_guest_linear(
         &tss, tr.base, sizeof(tss), PFEC_page_present, &pfinfo);
-    if ( rc == HVMCOPY_bad_gva_to_gfn )
+    if ( rc == HVMTRANS_bad_linear_to_gfn )
         hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
     /*
-     * Note: The HVMCOPY_gfn_shared case could be optimised, if the callee
+     * Note: The HVMTRANS_gfn_shared case could be optimised, if the callee
      * functions knew we want RO access.
      */
-    if ( rc != HVMCOPY_okay )
+    if ( rc != HVMTRANS_okay )
         goto out;
 
     new_cpl = tss.eflags & X86_EFLAGS_VM ? 3 : tss.cs & 3;
@@ -3010,12 +3010,12 @@ void hvm_task_switch(
         rc = hvm_copy_to_guest_linear(tr.base + offsetof(typeof(tss), 
back_link),
                                       &tss.back_link, sizeof(tss.back_link), 0,
                                       &pfinfo);
-        if ( rc == HVMCOPY_bad_gva_to_gfn )
+        if ( rc == HVMTRANS_bad_linear_to_gfn )
         {
             hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
             exn_raised = 1;
         }
-        else if ( rc != HVMCOPY_okay )
+        else if ( rc != HVMTRANS_okay )
             goto out;
     }
 
@@ -3051,12 +3051,12 @@ void hvm_task_switch(
         {
             rc = hvm_copy_to_guest_linear(linear_addr, &errcode, opsz, 0,
                                           &pfinfo);
-            if ( rc == HVMCOPY_bad_gva_to_gfn )
+            if ( rc == HVMTRANS_bad_linear_to_gfn )
             {
                 hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
                 exn_raised = 1;
             }
-            else if ( rc != HVMCOPY_okay )
+            else if ( rc != HVMTRANS_okay )
                 goto out;
         }
     }
@@ -3073,7 +3073,7 @@ void hvm_task_switch(
 #define HVMCOPY_to_guest   (1u<<0)
 #define HVMCOPY_phys       (0u<<2)
 #define HVMCOPY_linear     (1u<<2)
-static enum hvm_copy_result __hvm_copy(
+static enum hvm_translation_result __hvm_copy(
     void *buf, paddr_t addr, int size, struct vcpu *v, unsigned int flags,
     uint32_t pfec, pagefault_info_t *pfinfo)
 {
@@ -3098,7 +3098,7 @@ static enum hvm_copy_result __hvm_copy(
      * Hence we bail immediately if called from atomic context.
      */
     if ( in_atomic() )
-        return HVMCOPY_unhandleable;
+        return HVMTRANS_unhandleable;
 #endif
 
     while ( todo > 0 )
@@ -3113,15 +3113,15 @@ static enum hvm_copy_result __hvm_copy(
             if ( gfn == gfn_x(INVALID_GFN) )
             {
                 if ( pfec & PFEC_page_paged )
-                    return HVMCOPY_gfn_paged_out;
+                    return HVMTRANS_gfn_paged_out;
                 if ( pfec & PFEC_page_shared )
-                    return HVMCOPY_gfn_shared;
+                    return HVMTRANS_gfn_shared;
                 if ( pfinfo )
                 {
                     pfinfo->linear = addr;
                     pfinfo->ec = pfec & ~PFEC_implicit;
                 }
-                return HVMCOPY_bad_gva_to_gfn;
+                return HVMTRANS_bad_linear_to_gfn;
             }
             gpa |= (paddr_t)gfn << PAGE_SHIFT;
         }
@@ -3139,28 +3139,28 @@ static enum hvm_copy_result __hvm_copy(
         if ( v == current
              && !nestedhvm_vcpu_in_guestmode(v)
              && hvm_mmio_internal(gpa) )
-            return HVMCOPY_bad_gfn_to_mfn;
+            return HVMTRANS_bad_gfn_to_mfn;
 
         page = get_page_from_gfn(v->domain, gfn, &p2mt, P2M_UNSHARE);
 
         if ( !page )
-            return HVMCOPY_bad_gfn_to_mfn;
+            return HVMTRANS_bad_gfn_to_mfn;
 
         if ( p2m_is_paging(p2mt) )
         {
             put_page(page);
             p2m_mem_paging_populate(v->domain, gfn);
-            return HVMCOPY_gfn_paged_out;
+            return HVMTRANS_gfn_paged_out;
         }
         if ( p2m_is_shared(p2mt) )
         {
             put_page(page);
-            return HVMCOPY_gfn_shared;
+            return HVMTRANS_gfn_shared;
         }
         if ( p2m_is_grant(p2mt) )
         {
             put_page(page);
-            return HVMCOPY_unhandleable;
+            return HVMTRANS_unhandleable;
         }
 
         p = (char *)__map_domain_page(page) + (addr & ~PAGE_MASK);
@@ -3198,24 +3198,24 @@ static enum hvm_copy_result __hvm_copy(
         put_page(page);
     }
 
-    return HVMCOPY_okay;
+    return HVMTRANS_okay;
 }
 
-enum hvm_copy_result hvm_copy_to_guest_phys(
+enum hvm_translation_result hvm_copy_to_guest_phys(
     paddr_t paddr, void *buf, int size, struct vcpu *v)
 {
     return __hvm_copy(buf, paddr, size, v,
                       HVMCOPY_to_guest | HVMCOPY_phys, 0, NULL);
 }
 
-enum hvm_copy_result hvm_copy_from_guest_phys(
+enum hvm_translation_result hvm_copy_from_guest_phys(
     void *buf, paddr_t paddr, int size)
 {
     return __hvm_copy(buf, paddr, size, current,
                       HVMCOPY_from_guest | HVMCOPY_phys, 0, NULL);
 }
 
-enum hvm_copy_result hvm_copy_to_guest_linear(
+enum hvm_translation_result hvm_copy_to_guest_linear(
     unsigned long addr, void *buf, int size, uint32_t pfec,
     pagefault_info_t *pfinfo)
 {
@@ -3224,7 +3224,7 @@ enum hvm_copy_result hvm_copy_to_guest_linear(
                       PFEC_page_present | PFEC_write_access | pfec, pfinfo);
 }
 
-enum hvm_copy_result hvm_copy_from_guest_linear(
+enum hvm_translation_result hvm_copy_from_guest_linear(
     void *buf, unsigned long addr, int size, uint32_t pfec,
     pagefault_info_t *pfinfo)
 {
@@ -3233,7 +3233,7 @@ enum hvm_copy_result hvm_copy_from_guest_linear(
                       PFEC_page_present | pfec, pfinfo);
 }
 
-enum hvm_copy_result hvm_fetch_from_guest_linear(
+enum hvm_translation_result hvm_fetch_from_guest_linear(
     void *buf, unsigned long addr, int size, uint32_t pfec,
     pagefault_info_t *pfinfo)
 {
@@ -3670,7 +3670,7 @@ void hvm_ud_intercept(struct cpu_user_regs *regs)
                                         sizeof(sig), hvm_access_insn_fetch,
                                         cs, &addr) &&
              (hvm_fetch_from_guest_linear(sig, addr, sizeof(sig),
-                                          walk, NULL) == HVMCOPY_okay) &&
+                                          walk, NULL) == HVMTRANS_okay) &&
              (memcmp(sig, "\xf\xbxen", sizeof(sig)) == 0) )
         {
             regs->rip += sizeof(sig);
diff --git a/xen/arch/x86/hvm/intercept.c b/xen/arch/x86/hvm/intercept.c
index e51efd5..ef82419 100644
--- a/xen/arch/x86/hvm/intercept.c
+++ b/xen/arch/x86/hvm/intercept.c
@@ -136,14 +136,14 @@ int hvm_process_io_intercept(const struct hvm_io_handler 
*handler,
                 switch ( hvm_copy_to_guest_phys(p->data + step * i,
                                                 &data, p->size, current) )
                 {
-                case HVMCOPY_okay:
+                case HVMTRANS_okay:
                     break;
-                case HVMCOPY_bad_gfn_to_mfn:
+                case HVMTRANS_bad_gfn_to_mfn:
                     /* Drop the write as real hardware would. */
                     continue;
-                case HVMCOPY_bad_gva_to_gfn:
-                case HVMCOPY_gfn_paged_out:
-                case HVMCOPY_gfn_shared:
+                case HVMTRANS_bad_linear_to_gfn:
+                case HVMTRANS_gfn_paged_out:
+                case HVMTRANS_gfn_shared:
                     ASSERT_UNREACHABLE();
                     /* fall through */
                 default:
@@ -164,14 +164,14 @@ int hvm_process_io_intercept(const struct hvm_io_handler 
*handler,
                 switch ( hvm_copy_from_guest_phys(&data, p->data + step * i,
                                                   p->size) )
                 {
-                case HVMCOPY_okay:
+                case HVMTRANS_okay:
                     break;
-                case HVMCOPY_bad_gfn_to_mfn:
+                case HVMTRANS_bad_gfn_to_mfn:
                     data = ~0;
                     break;
-                case HVMCOPY_bad_gva_to_gfn:
-                case HVMCOPY_gfn_paged_out:
-                case HVMCOPY_gfn_shared:
+                case HVMTRANS_bad_linear_to_gfn:
+                case HVMTRANS_gfn_paged_out:
+                case HVMTRANS_gfn_shared:
                     ASSERT_UNREACHABLE();
                     /* fall through */
                 default:
diff --git a/xen/arch/x86/hvm/svm/nestedsvm.c b/xen/arch/x86/hvm/svm/nestedsvm.c
index 8fd9c23..66a1777 100644
--- a/xen/arch/x86/hvm/svm/nestedsvm.c
+++ b/xen/arch/x86/hvm/svm/nestedsvm.c
@@ -357,7 +357,7 @@ static int nsvm_vmrun_permissionmap(struct vcpu *v, bool_t 
viopm)
     struct vmcb_struct *host_vmcb = arch_svm->vmcb;
     unsigned long *ns_msrpm_ptr;
     unsigned int i;
-    enum hvm_copy_result ret;
+    enum hvm_translation_result ret;
     unsigned long *ns_viomap;
     bool_t ioport_80 = 1, ioport_ed = 1;
 
@@ -365,7 +365,8 @@ static int nsvm_vmrun_permissionmap(struct vcpu *v, bool_t 
viopm)
 
     ret = hvm_copy_from_guest_phys(svm->ns_cached_msrpm,
                                    ns_vmcb->_msrpm_base_pa, MSRPM_SIZE);
-    if (ret != HVMCOPY_okay) {
+    if ( ret != HVMTRANS_okay )
+    {
         gdprintk(XENLOG_ERR, "hvm_copy_from_guest_phys msrpm %u\n", ret);
         return 1;
     }
diff --git a/xen/arch/x86/hvm/svm/svm.c b/xen/arch/x86/hvm/svm/svm.c
index 6b19b16..12ddc8a 100644
--- a/xen/arch/x86/hvm/svm/svm.c
+++ b/xen/arch/x86/hvm/svm/svm.c
@@ -1266,7 +1266,7 @@ static void svm_emul_swint_injection(struct x86_event 
*event)
                                     PFEC_implicit, &pfinfo);
     if ( rc )
     {
-        if ( rc == HVMCOPY_bad_gva_to_gfn )
+        if ( rc == HVMTRANS_bad_linear_to_gfn )
         {
             fault = TRAP_page_fault;
             ec = pfinfo.ec;
diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c
index e0546f3..f0fa59d 100644
--- a/xen/arch/x86/hvm/viridian.c
+++ b/xen/arch/x86/hvm/viridian.c
@@ -914,7 +914,7 @@ int viridian_hypercall(struct cpu_user_regs *regs)
 
         /* Get input parameters. */
         if ( hvm_copy_from_guest_phys(&input_params, input_params_gpa,
-                                      sizeof(input_params)) != HVMCOPY_okay )
+                                      sizeof(input_params)) != HVMTRANS_okay )
             break;
 
         /*
diff --git a/xen/arch/x86/hvm/vmsi.c b/xen/arch/x86/hvm/vmsi.c
index 9b35e9b..7126de7 100644
--- a/xen/arch/x86/hvm/vmsi.c
+++ b/xen/arch/x86/hvm/vmsi.c
@@ -609,7 +609,7 @@ void msix_write_completion(struct vcpu *v)
         if ( desc &&
              hvm_copy_from_guest_phys(&data,
                                       v->arch.hvm_vcpu.hvm_io.msix_snoop_gpa,
-                                      sizeof(data)) == HVMCOPY_okay &&
+                                      sizeof(data)) == HVMTRANS_okay &&
              !(data & PCI_MSIX_VECTOR_BITMASK) )
             ctrl_address = snoop_addr;
     }
diff --git a/xen/arch/x86/hvm/vmx/realmode.c b/xen/arch/x86/hvm/vmx/realmode.c
index 11bde58..12d43ad 100644
--- a/xen/arch/x86/hvm/vmx/realmode.c
+++ b/xen/arch/x86/hvm/vmx/realmode.c
@@ -40,7 +40,7 @@ static void realmode_deliver_exception(
     last_byte = (vector * 4) + 3;
     if ( idtr->limit < last_byte ||
          hvm_copy_from_guest_phys(&cs_eip, idtr->base + vector * 4, 4) !=
-         HVMCOPY_okay )
+         HVMTRANS_okay )
     {
         /* Software interrupt? */
         if ( insn_len != 0 )
diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index e2361a1..cd0ee0a 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -481,9 +481,9 @@ static int decode_vmx_inst(struct cpu_user_regs *regs,
             int rc = hvm_copy_from_guest_linear(poperandS, base, size,
                                                 0, &pfinfo);
 
-            if ( rc == HVMCOPY_bad_gva_to_gfn )
+            if ( rc == HVMTRANS_bad_linear_to_gfn )
                 hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
-            if ( rc != HVMCOPY_okay )
+            if ( rc != HVMTRANS_okay )
                 return X86EMUL_EXCEPTION;
         }
         decode->mem = base;
@@ -1468,7 +1468,7 @@ int nvmx_handle_vmxon(struct cpu_user_regs *regs)
     }
 
     rc = hvm_copy_from_guest_phys(&nvmcs_revid, gpa, sizeof(nvmcs_revid));
-    if ( rc != HVMCOPY_okay ||
+    if ( rc != HVMTRANS_okay ||
          (nvmcs_revid & ~VMX_BASIC_REVISION_MASK) ||
          ((nvmcs_revid ^ vmx_basic_msr) & VMX_BASIC_REVISION_MASK) )
     {
@@ -1746,9 +1746,9 @@ int nvmx_handle_vmptrst(struct cpu_user_regs *regs)
     gpa = nvcpu->nv_vvmcxaddr;
 
     rc = hvm_copy_to_guest_linear(decode.mem, &gpa, decode.len, 0, &pfinfo);
-    if ( rc == HVMCOPY_bad_gva_to_gfn )
+    if ( rc == HVMTRANS_bad_linear_to_gfn )
         hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
-    if ( rc != HVMCOPY_okay )
+    if ( rc != HVMTRANS_okay )
         return X86EMUL_EXCEPTION;
 
     vmsucceed(regs);
@@ -1835,9 +1835,9 @@ int nvmx_handle_vmread(struct cpu_user_regs *regs)
     switch ( decode.type ) {
     case VMX_INST_MEMREG_TYPE_MEMORY:
         rc = hvm_copy_to_guest_linear(decode.mem, &value, decode.len, 0, 
&pfinfo);
-        if ( rc == HVMCOPY_bad_gva_to_gfn )
+        if ( rc == HVMTRANS_bad_linear_to_gfn )
             hvm_inject_page_fault(pfinfo.ec, pfinfo.linear);
-        if ( rc != HVMCOPY_okay )
+        if ( rc != HVMTRANS_okay )
             return X86EMUL_EXCEPTION;
         break;
     case VMX_INST_MEMREG_TYPE_REG:
diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
index 3926ed6..8b9310c 100644
--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -196,16 +196,16 @@ hvm_read(enum x86_segment seg,
 
     switch ( rc )
     {
-    case HVMCOPY_okay:
+    case HVMTRANS_okay:
         return X86EMUL_OKAY;
-    case HVMCOPY_bad_gva_to_gfn:
+    case HVMTRANS_bad_linear_to_gfn:
         x86_emul_pagefault(pfinfo.ec, pfinfo.linear, &sh_ctxt->ctxt);
         return X86EMUL_EXCEPTION;
-    case HVMCOPY_bad_gfn_to_mfn:
-    case HVMCOPY_unhandleable:
+    case HVMTRANS_bad_gfn_to_mfn:
+    case HVMTRANS_unhandleable:
         return X86EMUL_UNHANDLEABLE;
-    case HVMCOPY_gfn_paged_out:
-    case HVMCOPY_gfn_shared:
+    case HVMTRANS_gfn_paged_out:
+    case HVMTRANS_gfn_shared:
         return X86EMUL_RETRY;
     }
 
diff --git a/xen/common/libelf/libelf-loader.c 
b/xen/common/libelf/libelf-loader.c
index c8b7ec9..0f46872 100644
--- a/xen/common/libelf/libelf-loader.c
+++ b/xen/common/libelf/libelf-loader.c
@@ -154,10 +154,10 @@ static elf_errorstatus elf_memcpy(struct vcpu *v, void 
*dst, void *src,
 #ifdef CONFIG_X86
     if ( is_hvm_vcpu(v) )
     {
-        enum hvm_copy_result rc;
+        enum hvm_translation_result rc;
 
         rc = hvm_copy_to_guest_phys((paddr_t)dst, src, size, v);
-        return rc != HVMCOPY_okay ? -1 : 0;
+        return rc != HVMTRANS_okay ? -1 : 0;
     }
 #endif
 
diff --git a/xen/include/asm-x86/hvm/support.h 
b/xen/include/asm-x86/hvm/support.h
index b18dbb6..e3b035d 100644
--- a/xen/include/asm-x86/hvm/support.h
+++ b/xen/include/asm-x86/hvm/support.h
@@ -53,23 +53,23 @@ extern unsigned int opt_hvm_debug_level;
 
 extern unsigned long hvm_io_bitmap[];
 
-enum hvm_copy_result {
-    HVMCOPY_okay = 0,
-    HVMCOPY_bad_gva_to_gfn,
-    HVMCOPY_bad_gfn_to_mfn,
-    HVMCOPY_unhandleable,
-    HVMCOPY_gfn_paged_out,
-    HVMCOPY_gfn_shared,
+enum hvm_translation_result {
+    HVMTRANS_okay,
+    HVMTRANS_bad_linear_to_gfn,
+    HVMTRANS_bad_gfn_to_mfn,
+    HVMTRANS_unhandleable,
+    HVMTRANS_gfn_paged_out,
+    HVMTRANS_gfn_shared,
 };
 
 /*
  * Copy to/from a guest physical address.
- * Returns HVMCOPY_okay, else HVMCOPY_bad_gfn_to_mfn if the given physical
+ * Returns HVMTRANS_okay, else HVMTRANS_bad_gfn_to_mfn if the given physical
  * address range does not map entirely onto ordinary machine memory.
  */
-enum hvm_copy_result hvm_copy_to_guest_phys(
+enum hvm_translation_result hvm_copy_to_guest_phys(
     paddr_t paddr, void *buf, int size, struct vcpu *v);
-enum hvm_copy_result hvm_copy_from_guest_phys(
+enum hvm_translation_result hvm_copy_from_guest_phys(
     void *buf, paddr_t paddr, int size);
 
 /*
@@ -79,13 +79,13 @@ enum hvm_copy_result hvm_copy_from_guest_phys(
  * to set them.
  * 
  * Returns:
- *  HVMCOPY_okay: Copy was entirely successful.
- *  HVMCOPY_bad_gfn_to_mfn: Some guest physical address did not map to
- *                          ordinary machine memory.
- *  HVMCOPY_bad_gva_to_gfn: Some guest virtual address did not have a valid
- *                          mapping to a guest physical address.  The
- *                          pagefault_info_t structure will be filled in if
- *                          provided.
+ *  HVMTRANS_okay: Copy was entirely successful.
+ *  HVMTRANS_bad_gfn_to_mfn: Some guest physical address did not map to
+ *                           ordinary machine memory.
+ *  HVMTRANS_bad_linear_to_gfn: Some guest linear address did not have a
+ *                              valid mapping to a guest physical address.
+ *                              The pagefault_info_t structure will be filled
+ *                              in if provided.
  */
 typedef struct pagefault_info
 {
@@ -93,13 +93,13 @@ typedef struct pagefault_info
     int ec;
 } pagefault_info_t;
 
-enum hvm_copy_result hvm_copy_to_guest_linear(
+enum hvm_translation_result hvm_copy_to_guest_linear(
     unsigned long addr, void *buf, int size, uint32_t pfec,
     pagefault_info_t *pfinfo);
-enum hvm_copy_result hvm_copy_from_guest_linear(
+enum hvm_translation_result hvm_copy_from_guest_linear(
     void *buf, unsigned long addr, int size, uint32_t pfec,
     pagefault_info_t *pfinfo);
-enum hvm_copy_result hvm_fetch_from_guest_linear(
+enum hvm_translation_result hvm_fetch_from_guest_linear(
     void *buf, unsigned long addr, int size, uint32_t pfec,
     pagefault_info_t *pfinfo);
 
-- 
2.7.4


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