X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=dump.c;h=6a3a72a1f7c74d5bd79566dc4296180bf8bd31ab;hb=b368a7d864d6f32caba4ac9fb3b9738d1180315d;hp=2bf8d8d99423a364e6916c766733f97828afb0d5;hpb=49023ff78cf1efeb861b475c40dd04262efe61d3;p=mirror_qemu.git

diff --git a/dump.c b/dump.c
index 2bf8d8d994..6a3a72a1f7 100644
--- a/dump.c
+++ b/dump.c
@@ -14,16 +14,16 @@
 #include "qemu-common.h"
 #include "elf.h"
 #include "cpu.h"
-#include "cpu-all.h"
-#include "targphys.h"
-#include "monitor.h"
-#include "kvm.h"
-#include "dump.h"
-#include "sysemu.h"
-#include "memory_mapping.h"
-#include "error.h"
+#include "exec/cpu-all.h"
+#include "exec/hwaddr.h"
+#include "monitor/monitor.h"
+#include "sysemu/kvm.h"
+#include "sysemu/dump.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/memory_mapping.h"
+#include "sysemu/cpus.h"
+#include "qapi/error.h"
 #include "qmp-commands.h"
-#include "gdbstub.h"
 
 static uint16_t cpu_convert_to_target16(uint16_t val, int endian)
 {
@@ -66,7 +66,7 @@ typedef struct DumpState {
     bool have_section;
     bool resume;
     size_t note_size;
-    target_phys_addr_t memory_offset;
+    hwaddr memory_offset;
     int fd;
 
     RAMBlock *block;
@@ -100,18 +100,11 @@ static void dump_error(DumpState *s, const char *reason)
 static int fd_write_vmcore(void *buf, size_t size, void *opaque)
 {
     DumpState *s = opaque;
-    int fd = s->fd;
-    size_t writen_size;
+    size_t written_size;
 
-    /* The fd may be passed from user, and it can be non-blocked */
-    while (size) {
-        writen_size = qemu_write_full(fd, buf, size);
-        if (writen_size != size && errno != EAGAIN) {
-            return -1;
-        }
-
-        buf += writen_size;
-        size -= writen_size;
+    written_size = qemu_write_full(s->fd, buf, size);
+    if (written_size != size) {
+        return -1;
     }
 
     return 0;
@@ -194,7 +187,7 @@ static int write_elf32_header(DumpState *s)
 }
 
 static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping,
-                            int phdr_index, target_phys_addr_t offset)
+                            int phdr_index, hwaddr offset)
 {
     Elf64_Phdr phdr;
     int ret;
@@ -223,7 +216,7 @@ static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping,
 }
 
 static int write_elf32_load(DumpState *s, MemoryMapping *memory_mapping,
-                            int phdr_index, target_phys_addr_t offset)
+                            int phdr_index, hwaddr offset)
 {
     Elf32_Phdr phdr;
     int ret;
@@ -255,7 +248,7 @@ static int write_elf64_note(DumpState *s)
 {
     Elf64_Phdr phdr;
     int endian = s->dump_info.d_endian;
-    target_phys_addr_t begin = s->memory_offset - s->note_size;
+    hwaddr begin = s->memory_offset - s->note_size;
     int ret;
 
     memset(&phdr, 0, sizeof(Elf64_Phdr));
@@ -275,23 +268,28 @@ static int write_elf64_note(DumpState *s)
     return 0;
 }
 
+static inline int cpu_index(CPUState *cpu)
+{
+    return cpu->cpu_index + 1;
+}
+
 static int write_elf64_notes(DumpState *s)
 {
-    CPUArchState *env;
+    CPUState *cpu;
     int ret;
     int id;
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        id = cpu_index(env);
-        ret = cpu_write_elf64_note(fd_write_vmcore, env, id, s);
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
+        id = cpu_index(cpu);
+        ret = cpu_write_elf64_note(fd_write_vmcore, cpu, id, s);
         if (ret < 0) {
             dump_error(s, "dump: failed to write elf notes.\n");
             return -1;
         }
     }
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        ret = cpu_write_elf64_qemunote(fd_write_vmcore, env, s);
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
+        ret = cpu_write_elf64_qemunote(fd_write_vmcore, cpu, s);
         if (ret < 0) {
             dump_error(s, "dump: failed to write CPU status.\n");
             return -1;
@@ -303,7 +301,7 @@ static int write_elf64_notes(DumpState *s)
 
 static int write_elf32_note(DumpState *s)
 {
-    target_phys_addr_t begin = s->memory_offset - s->note_size;
+    hwaddr begin = s->memory_offset - s->note_size;
     Elf32_Phdr phdr;
     int endian = s->dump_info.d_endian;
     int ret;
@@ -327,21 +325,21 @@ static int write_elf32_note(DumpState *s)
 
 static int write_elf32_notes(DumpState *s)
 {
-    CPUArchState *env;
+    CPUState *cpu;
     int ret;
     int id;
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        id = cpu_index(env);
-        ret = cpu_write_elf32_note(fd_write_vmcore, env, id, s);
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
+        id = cpu_index(cpu);
+        ret = cpu_write_elf32_note(fd_write_vmcore, cpu, id, s);
         if (ret < 0) {
             dump_error(s, "dump: failed to write elf notes.\n");
             return -1;
         }
     }
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        ret = cpu_write_elf32_qemunote(fd_write_vmcore, env, s);
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
+        ret = cpu_write_elf32_qemunote(fd_write_vmcore, cpu, s);
         if (ret < 0) {
             dump_error(s, "dump: failed to write CPU status.\n");
             return -1;
@@ -421,11 +419,11 @@ static int write_memory(DumpState *s, RAMBlock *block, ram_addr_t start,
 }
 
 /* get the memory's offset in the vmcore */
-static target_phys_addr_t get_offset(target_phys_addr_t phys_addr,
+static hwaddr get_offset(hwaddr phys_addr,
                                      DumpState *s)
 {
     RAMBlock *block;
-    target_phys_addr_t offset = s->memory_offset;
+    hwaddr offset = s->memory_offset;
     int64_t size_in_block, start;
 
     if (s->has_filter) {
@@ -434,7 +432,7 @@ static target_phys_addr_t get_offset(target_phys_addr_t phys_addr,
         }
     }
 
-    QLIST_FOREACH(block, &ram_list.blocks, next) {
+    QTAILQ_FOREACH(block, &ram_list.blocks, next) {
         if (s->has_filter) {
             if (block->offset >= s->begin + s->length ||
                 block->offset + block->length <= s->begin) {
@@ -470,7 +468,7 @@ static target_phys_addr_t get_offset(target_phys_addr_t phys_addr,
 
 static int write_elf_loads(DumpState *s)
 {
-    target_phys_addr_t offset;
+    hwaddr offset;
     MemoryMapping *memory_mapping;
     uint32_t phdr_index = 1;
     int ret;
@@ -601,7 +599,7 @@ static int dump_completed(DumpState *s)
 static int get_next_block(DumpState *s, RAMBlock *block)
 {
     while (1) {
-        block = QLIST_NEXT(block, next);
+        block = QTAILQ_NEXT(block, next);
         if (!block) {
             /* no more block */
             return 1;
@@ -677,11 +675,11 @@ static ram_addr_t get_start_block(DumpState *s)
     RAMBlock *block;
 
     if (!s->has_filter) {
-        s->block = QLIST_FIRST(&ram_list.blocks);
+        s->block = QTAILQ_FIRST(&ram_list.blocks);
         return 0;
     }
 
-    QLIST_FOREACH(block, &ram_list.blocks, next) {
+    QTAILQ_FOREACH(block, &ram_list.blocks, next) {
         if (block->offset >= s->begin + s->length ||
             block->offset + block->length <= s->begin) {
             /* This block is out of the range */
@@ -703,8 +701,9 @@ static ram_addr_t get_start_block(DumpState *s)
 static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
                      int64_t begin, int64_t length, Error **errp)
 {
-    CPUArchState *env;
+    CPUState *cpu;
     int nr_cpus;
+    Error *err = NULL;
     int ret;
 
     if (runstate_is_running()) {
@@ -730,12 +729,12 @@ static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
      * If the target architecture is not supported, cpu_get_dump_info() will
      * return -1.
      *
-     * if we use kvm, we should synchronize the register before we get dump
+     * If we use KVM, we should synchronize the registers before we get dump
      * info.
      */
+    cpu_synchronize_all_states();
     nr_cpus = 0;
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        cpu_synchronize_state(env);
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
         nr_cpus++;
     }
 
@@ -755,7 +754,11 @@ static int dump_init(DumpState *s, int fd, bool paging, bool has_filter,
     /* get memory mapping */
     memory_mapping_list_init(&s->list);
     if (paging) {
-        qemu_get_guest_memory_mapping(&s->list);
+        qemu_get_guest_memory_mapping(&s->list, &err);
+        if (err != NULL) {
+            error_propagate(errp, err);
+            goto cleanup;
+        }
     } else {
         qemu_get_guest_simple_memory_mapping(&s->list);
     }
@@ -836,9 +839,8 @@ void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin,
 
 #if !defined(WIN32)
     if (strstart(file, "fd:", &p)) {
-        fd = monitor_get_fd(cur_mon, p);
+        fd = monitor_get_fd(cur_mon, p, errp);
         if (fd == -1) {
-            error_set(errp, QERR_FD_NOT_FOUND, p);
             return;
         }
     }
@@ -847,7 +849,7 @@ void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin,
     if  (strstart(file, "file:", &p)) {
         fd = qemu_open(p, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, S_IRUSR);
         if (fd < 0) {
-            error_set(errp, QERR_OPEN_FILE_FAILED, p);
+            error_setg_file_open(errp, errno, p);
             return;
         }
     }