Patchwork [qom-cpu,10/11] cpu: Move kvm_state field into CPUState

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Submitter Andreas Färber
Date Dec. 2, 2012, 4:50 a.m.
Message ID <1354423851-24818-11-git-send-email-afaerber@suse.de>
Download mbox | patch
Permalink /patch/203189/
State New
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Andreas Färber - Dec. 2, 2012, 4:50 a.m.
Adapt some functions to take CPUState / {PowerPC,S390}CPU argument.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 cpu-defs.h         |    2 --
 include/qemu/cpu.h |    3 +++
 kvm-all.c          |   28 ++++++++++++++--------------
 kvm.h              |    4 ++--
 target-i386/cpu.c  |    7 +++++--
 target-i386/kvm.c  |   22 +++++++++++-----------
 target-ppc/kvm.c   |   30 +++++++++++++++++-------------
 target-s390x/kvm.c |    5 ++---
 8 Dateien geändert, 54 Zeilen hinzugefügt(+), 47 Zeilen entfernt(-)

Patch

diff --git a/cpu-defs.h b/cpu-defs.h
index a382e35..9ed54cf 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -135,7 +135,6 @@  typedef struct icount_decr_u16 {
 #endif
 
 struct kvm_run;
-struct KVMState;
 struct qemu_work_item;
 
 typedef struct CPUBreakpoint {
@@ -205,7 +204,6 @@  typedef struct CPUWatchpoint {
     void *opaque;                                                       \
                                                                         \
     const char *cpu_model_str;                                          \
-    struct KVMState *kvm_state;                                         \
     struct kvm_run *kvm_run;
 
 #endif
diff --git a/include/qemu/cpu.h b/include/qemu/cpu.h
index cdc45ff..32deacb 100644
--- a/include/qemu/cpu.h
+++ b/include/qemu/cpu.h
@@ -52,6 +52,8 @@  typedef struct CPUClass {
     void (*reset)(CPUState *cpu);
 } CPUClass;
 
+struct KVMState;
+
 /**
  * CPUState:
  * @created: Indicates whether the CPU thread has been successfully created.
@@ -81,6 +83,7 @@  struct CPUState {
     int kvm_fd;
     int kvm_vcpu_dirty;
 #endif
+    struct KVMState *kvm_state;
 
     /* TODO Move common fields from CPUArchState here. */
 };
diff --git a/kvm-all.c b/kvm-all.c
index 5f1d1fe..ba139ab 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -230,7 +230,7 @@  int kvm_init_vcpu(CPUArchState *env)
     }
 
     cpu->kvm_fd = ret;
-    env->kvm_state = s;
+    cpu->kvm_state = s;
     cpu->kvm_vcpu_dirty = true;
 
     mmap_size = kvm_ioctl(s, KVM_GET_VCPU_MMAP_SIZE, 0);
@@ -1763,12 +1763,12 @@  void kvm_setup_guest_memory(void *start, size_t size)
 }
 
 #ifdef KVM_CAP_SET_GUEST_DEBUG
-struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
+struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
                                                  target_ulong pc)
 {
     struct kvm_sw_breakpoint *bp;
 
-    QTAILQ_FOREACH(bp, &env->kvm_state->kvm_sw_breakpoints, entry) {
+    QTAILQ_FOREACH(bp, &cpu->kvm_state->kvm_sw_breakpoints, entry) {
         if (bp->pc == pc) {
             return bp;
         }
@@ -1776,23 +1776,23 @@  struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
     return NULL;
 }
 
-int kvm_sw_breakpoints_active(CPUArchState *env)
+int kvm_sw_breakpoints_active(CPUState *cpu)
 {
-    return !QTAILQ_EMPTY(&env->kvm_state->kvm_sw_breakpoints);
+    return !QTAILQ_EMPTY(&cpu->kvm_state->kvm_sw_breakpoints);
 }
 
 struct kvm_set_guest_debug_data {
     struct kvm_guest_debug dbg;
-    CPUArchState *env;
+    CPUState *cpu;
     int err;
 };
 
 static void kvm_invoke_set_guest_debug(void *data)
 {
     struct kvm_set_guest_debug_data *dbg_data = data;
-    CPUState *cpu = ENV_GET_CPU(dbg_data->env);
 
-    dbg_data->err = kvm_vcpu_ioctl(cpu, KVM_SET_GUEST_DEBUG, &dbg_data->dbg);
+    dbg_data->err = kvm_vcpu_ioctl(dbg_data->cpu, KVM_SET_GUEST_DEBUG,
+                                   &dbg_data->dbg);
 }
 
 int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
@@ -1806,7 +1806,7 @@  int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
         data.dbg.control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP;
     }
     kvm_arch_update_guest_debug(cpu, &data.dbg);
-    data.env = env;
+    data.cpu = cpu;
 
     run_on_cpu(cpu, kvm_invoke_set_guest_debug, &data);
     return data.err;
@@ -1821,7 +1821,7 @@  int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
     int err;
 
     if (type == GDB_BREAKPOINT_SW) {
-        bp = kvm_find_sw_breakpoint(current_env, addr);
+        bp = kvm_find_sw_breakpoint(current_cpu, addr);
         if (bp) {
             bp->use_count++;
             return 0;
@@ -1840,7 +1840,7 @@  int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
             return err;
         }
 
-        QTAILQ_INSERT_HEAD(&current_env->kvm_state->kvm_sw_breakpoints,
+        QTAILQ_INSERT_HEAD(&current_cpu->kvm_state->kvm_sw_breakpoints,
                           bp, entry);
     } else {
         err = kvm_arch_insert_hw_breakpoint(addr, len, type);
@@ -1867,7 +1867,7 @@  int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
     int err;
 
     if (type == GDB_BREAKPOINT_SW) {
-        bp = kvm_find_sw_breakpoint(current_env, addr);
+        bp = kvm_find_sw_breakpoint(current_cpu, addr);
         if (!bp) {
             return -ENOENT;
         }
@@ -1882,7 +1882,7 @@  int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
             return err;
         }
 
-        QTAILQ_REMOVE(&current_env->kvm_state->kvm_sw_breakpoints, bp, entry);
+        QTAILQ_REMOVE(&current_cpu->kvm_state->kvm_sw_breakpoints, bp, entry);
         g_free(bp);
     } else {
         err = kvm_arch_remove_hw_breakpoint(addr, len, type);
@@ -1904,7 +1904,7 @@  void kvm_remove_all_breakpoints(CPUArchState *current_env)
 {
     CPUState *current_cpu = ENV_GET_CPU(current_env);
     struct kvm_sw_breakpoint *bp, *next;
-    KVMState *s = current_env->kvm_state;
+    KVMState *s = current_cpu->kvm_state;
     CPUArchState *env;
     CPUState *cpu;
 
diff --git a/kvm.h b/kvm.h
index a2375ff..6ddcdc5 100644
--- a/kvm.h
+++ b/kvm.h
@@ -207,10 +207,10 @@  struct kvm_sw_breakpoint {
 
 QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
 
-struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
+struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
                                                  target_ulong pc);
 
-int kvm_sw_breakpoints_active(CPUArchState *env);
+int kvm_sw_breakpoints_active(CPUState *cpu);
 
 int kvm_arch_insert_sw_breakpoint(CPUState *current_cpu,
                                   struct kvm_sw_breakpoint *bp);
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index c6c2ca0..a014fa8 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1614,6 +1614,9 @@  void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                    uint32_t *eax, uint32_t *ebx,
                    uint32_t *ecx, uint32_t *edx)
 {
+    X86CPU *cpu = x86_env_get_cpu(env);
+    CPUState *cs = CPU(cpu);
+
     /* test if maximum index reached */
     if (index & 0x80000000) {
         if (index > env->cpuid_xlevel) {
@@ -1730,7 +1733,7 @@  void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
     case 0xA:
         /* Architectural Performance Monitoring Leaf */
         if (kvm_enabled()) {
-            KVMState *s = env->kvm_state;
+            KVMState *s = cs->kvm_state;
 
             *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
             *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
@@ -1753,7 +1756,7 @@  void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
             break;
         }
         if (kvm_enabled()) {
-            KVMState *s = env->kvm_state;
+            KVMState *s = cs->kvm_state;
 
             *eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
             *ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index b2efa1e..ff5c9cd 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -316,7 +316,7 @@  int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
     if ((env->mcg_cap & MCG_SER_P) && addr
         && (code == BUS_MCEERR_AR || code == BUS_MCEERR_AO)) {
         if (qemu_ram_addr_from_host(addr, &ram_addr) ||
-            !kvm_physical_memory_addr_from_host(env->kvm_state, addr, &paddr)) {
+            !kvm_physical_memory_addr_from_host(c->kvm_state, addr, &paddr)) {
             fprintf(stderr, "Hardware memory error for memory used by "
                     "QEMU itself instead of guest system!\n");
             /* Hope we are lucky for AO MCE */
@@ -348,8 +348,8 @@  int kvm_arch_on_sigbus(int code, void *addr)
 
         /* Hope we are lucky for AO MCE */
         if (qemu_ram_addr_from_host(addr, &ram_addr) ||
-            !kvm_physical_memory_addr_from_host(first_cpu->kvm_state, addr,
-                                                &paddr)) {
+            !kvm_physical_memory_addr_from_host(CPU(first_cpu)->kvm_state,
+                                                addr, &paddr)) {
             fprintf(stderr, "Hardware memory error for memory used by "
                     "QEMU itself instead of guest system!: %p\n", addr);
             return 0;
@@ -579,12 +579,12 @@  int kvm_arch_init_vcpu(CPUState *cs)
 
     if (((env->cpuid_version >> 8)&0xF) >= 6
         && (env->cpuid_features&(CPUID_MCE|CPUID_MCA)) == (CPUID_MCE|CPUID_MCA)
-        && kvm_check_extension(env->kvm_state, KVM_CAP_MCE) > 0) {
+        && kvm_check_extension(cs->kvm_state, KVM_CAP_MCE) > 0) {
         uint64_t mcg_cap;
         int banks;
         int ret;
 
-        ret = kvm_get_mce_cap_supported(env->kvm_state, &mcg_cap, &banks);
+        ret = kvm_get_mce_cap_supported(cs->kvm_state, &mcg_cap, &banks);
         if (ret < 0) {
             fprintf(stderr, "kvm_get_mce_cap_supported: %s", strerror(-ret));
             return ret;
@@ -612,7 +612,7 @@  int kvm_arch_init_vcpu(CPUState *cs)
         return r;
     }
 
-    r = kvm_check_extension(env->kvm_state, KVM_CAP_TSC_CONTROL);
+    r = kvm_check_extension(cs->kvm_state, KVM_CAP_TSC_CONTROL);
     if (r && env->tsc_khz) {
         r = kvm_vcpu_ioctl(cs, KVM_SET_TSC_KHZ, env->tsc_khz);
         if (r < 0) {
@@ -1977,9 +1977,10 @@  void kvm_arch_remove_all_hw_breakpoints(void)
 
 static CPUWatchpoint hw_watchpoint;
 
-static int kvm_handle_debug(CPUX86State *env,
+static int kvm_handle_debug(X86CPU *cpu,
                             struct kvm_debug_exit_arch *arch_info)
 {
+    CPUX86State *env = &cpu->env;
     int ret = 0;
     int n;
 
@@ -2011,7 +2012,7 @@  static int kvm_handle_debug(CPUX86State *env,
                 }
             }
         }
-    } else if (kvm_find_sw_breakpoint(env, arch_info->pc)) {
+    } else if (kvm_find_sw_breakpoint(CPU(cpu), arch_info->pc)) {
         ret = EXCP_DEBUG;
     }
     if (ret == 0) {
@@ -2028,7 +2029,6 @@  static int kvm_handle_debug(CPUX86State *env,
 
 void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg)
 {
-    CPUX86State *env = &X86_CPU(cpu)->env;
     const uint8_t type_code[] = {
         [GDB_BREAKPOINT_HW] = 0x0,
         [GDB_WATCHPOINT_WRITE] = 0x1,
@@ -2039,7 +2039,7 @@  void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg)
     };
     int n;
 
-    if (kvm_sw_breakpoints_active(env)) {
+    if (kvm_sw_breakpoints_active(cpu)) {
         dbg->control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP;
     }
     if (nb_hw_breakpoint > 0) {
@@ -2106,7 +2106,7 @@  int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
         break;
     case KVM_EXIT_DEBUG:
         DPRINTF("kvm_exit_debug\n");
-        ret = kvm_handle_debug(env, &run->debug.arch);
+        ret = kvm_handle_debug(cpu, &run->debug.arch);
         break;
     default:
         fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index ad5bc66..7f21540 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -140,7 +140,7 @@  static int kvm_booke206_tlb_init(PowerPCCPU *cpu)
     int ret, i;
 
     if (!kvm_enabled() ||
-        !kvm_check_extension(env->kvm_state, KVM_CAP_SW_TLB)) {
+        !kvm_check_extension(cs->kvm_state, KVM_CAP_SW_TLB)) {
         return 0;
     }
 
@@ -178,7 +178,7 @@  static int kvm_booke206_tlb_init(PowerPCCPU *cpu)
 
 
 #if defined(TARGET_PPC64)
-static void kvm_get_fallback_smmu_info(CPUPPCState *env,
+static void kvm_get_fallback_smmu_info(CPUState *cs,
                                        struct kvm_ppc_smmu_info *info)
 {
     memset(info, 0, sizeof(*info));
@@ -206,7 +206,7 @@  static void kvm_get_fallback_smmu_info(CPUPPCState *env,
      *   implements KVM_CAP_PPC_GET_SMMU_INFO and thus doesn't hit
      *   this fallback.
      */
-    if (kvm_check_extension(env->kvm_state, KVM_CAP_PPC_GET_PVINFO)) {
+    if (kvm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_PVINFO)) {
         /* No flags */
         info->flags = 0;
         info->slb_size = 64;
@@ -262,18 +262,19 @@  static void kvm_get_fallback_smmu_info(CPUPPCState *env,
     }
 }
 
-static void kvm_get_smmu_info(CPUPPCState *env, struct kvm_ppc_smmu_info *info)
+static void kvm_get_smmu_info(PowerPCCPU *cpu, struct kvm_ppc_smmu_info *info)
 {
+    CPUState *cs = CPU(cpu);
     int ret;
 
-    if (kvm_check_extension(env->kvm_state, KVM_CAP_PPC_GET_SMMU_INFO)) {
-        ret = kvm_vm_ioctl(env->kvm_state, KVM_PPC_GET_SMMU_INFO, info);
+    if (kvm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_SMMU_INFO)) {
+        ret = kvm_vm_ioctl(cs->kvm_state, KVM_PPC_GET_SMMU_INFO, info);
         if (ret == 0) {
             return;
         }
     }
 
-    kvm_get_fallback_smmu_info(env, info);
+    kvm_get_fallback_smmu_info(cs, info);
 }
 
 static long getrampagesize(void)
@@ -316,10 +317,11 @@  static bool kvm_valid_page_size(uint32_t flags, long rampgsize, uint32_t shift)
     return (1ul << shift) <= rampgsize;
 }
 
-static void kvm_fixup_page_sizes(CPUPPCState *env)
+static void kvm_fixup_page_sizes(PowerPCCPU *cpu)
 {
     static struct kvm_ppc_smmu_info smmu_info;
     static bool has_smmu_info;
+    CPUPPCState *env = &cpu->env;
     long rampagesize;
     int iq, ik, jq, jk;
 
@@ -330,7 +332,7 @@  static void kvm_fixup_page_sizes(CPUPPCState *env)
 
     /* Collect MMU info from kernel if not already */
     if (!has_smmu_info) {
-        kvm_get_smmu_info(env, &smmu_info);
+        kvm_get_smmu_info(cpu, &smmu_info);
         has_smmu_info = true;
     }
 
@@ -373,7 +375,7 @@  static void kvm_fixup_page_sizes(CPUPPCState *env)
 }
 #else /* defined (TARGET_PPC64) */
 
-static inline void kvm_fixup_page_sizes(CPUPPCState *env)
+static inline void kvm_fixup_page_sizes(PowerPCCPU *cpu)
 {
 }
 
@@ -386,7 +388,7 @@  int kvm_arch_init_vcpu(CPUState *cs)
     int ret;
 
     /* Gather server mmu info from KVM and update the CPU state */
-    kvm_fixup_page_sizes(cenv);
+    kvm_fixup_page_sizes(cpu);
 
     /* Synchronize sregs with kvm */
     ret = kvm_arch_sync_sregs(cpu);
@@ -986,12 +988,14 @@  uint32_t kvmppc_get_dfp(void)
 
 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
 {
+    PowerPCCPU *cpu = ppc_env_get_cpu(env);
+    CPUState *cs = CPU(cpu);
     uint32_t *hc = (uint32_t*)buf;
 
     struct kvm_ppc_pvinfo pvinfo;
 
-    if (kvm_check_extension(env->kvm_state, KVM_CAP_PPC_GET_PVINFO) &&
-        !kvm_vm_ioctl(env->kvm_state, KVM_PPC_GET_PVINFO, &pvinfo)) {
+    if (kvm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_PVINFO) &&
+        !kvm_vm_ioctl(cs->kvm_state, KVM_PPC_GET_PVINFO, &pvinfo)) {
         memcpy(buf, pvinfo.hcall, buf_len);
 
         return 0;
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 5422678..4e34304 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -291,12 +291,11 @@  int kvm_arch_process_async_events(CPUState *cs)
 void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm,
                                  uint64_t parm64, int vm)
 {
-    CPUS390XState *env = &cpu->env;
     CPUState *cs = CPU(cpu);
     struct kvm_s390_interrupt kvmint;
     int r;
 
-    if (!env->kvm_state) {
+    if (!cs->kvm_state) {
         return;
     }
 
@@ -305,7 +304,7 @@  void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm,
     kvmint.parm64 = parm64;
 
     if (vm) {
-        r = kvm_vm_ioctl(env->kvm_state, KVM_S390_INTERRUPT, &kvmint);
+        r = kvm_vm_ioctl(cs->kvm_state, KVM_S390_INTERRUPT, &kvmint);
     } else {
         r = kvm_vcpu_ioctl(cs, KVM_S390_INTERRUPT, &kvmint);
     }