misc: move include files to include/qemu/

[qemu.git] / target-ppc / kvm.c

diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 1a7489bac8431623c3d25eeaf3ee604bb0e078dc..2546c577f6b311edca3702da9152d4561ce2c0fb 100644 (file)
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -23,7 +23,7 @@
 #include <linux/kvm.h>
 
 #include "qemu-common.h"
-#include "qemu-timer.h"
+#include "qemu/timer.h"
 #include "sysemu.h"
 #include "kvm.h"
 #include "kvm_ppc.h"
@@ -73,9 +73,11 @@ static int cap_hior;
  */
 static QEMUTimer *idle_timer;
 
-static void kvm_kick_env(void *env)
+static void kvm_kick_cpu(void *opaque)
 {
-    qemu_cpu_kick(env);
+    PowerPCCPU *cpu = opaque;
+
+    qemu_cpu_kick(CPU(cpu));
 }
 
 int kvm_arch_init(KVMState *s)
@@ -375,6 +377,7 @@ static inline void kvm_fixup_page_sizes(CPUPPCState *env)
 
 int kvm_arch_init_vcpu(CPUPPCState *cenv)
 {
+    PowerPCCPU *cpu = ppc_env_get_cpu(cenv);
     int ret;
 
     /* Gather server mmu info from KVM and update the CPU state */
@@ -386,7 +389,7 @@ int kvm_arch_init_vcpu(CPUPPCState *cenv)
         return ret;
     }
 
-    idle_timer = qemu_new_timer_ns(vm_clock, kvm_kick_env, cenv);
+    idle_timer = qemu_new_timer_ns(vm_clock, kvm_kick_cpu, cpu);
 
     /* Some targets support access to KVM's guest TLB. */
     switch (cenv->mmu_model) {
@@ -493,10 +496,11 @@ int kvm_arch_put_registers(CPUPPCState *env, int level)
 
         /* Sync BATs */
         for (i = 0; i < 8; i++) {
-            sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[1][i] << 32)
-                | env->DBAT[0][i];
-            sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[1][i] << 32)
-                | env->IBAT[0][i];
+            /* Beware. We have to swap upper and lower bits here */
+            sregs.u.s.ppc32.dbat[i] = ((uint64_t)env->DBAT[0][i] << 32)
+                | env->DBAT[1][i];
+            sregs.u.s.ppc32.ibat[i] = ((uint64_t)env->IBAT[0][i] << 32)
+                | env->IBAT[1][i];
         }
 
         ret = kvm_vcpu_ioctl(env, KVM_SET_SREGS, &sregs);
@@ -813,7 +817,8 @@ int kvm_arch_handle_exit(CPUPPCState *env, struct kvm_run *run)
 #ifdef CONFIG_PSERIES
     case KVM_EXIT_PAPR_HCALL:
         dprintf("handle PAPR hypercall\n");
-        run->papr_hcall.ret = spapr_hypercall(env, run->papr_hcall.nr,
+        run->papr_hcall.ret = spapr_hypercall(ppc_env_get_cpu(env),
+                                              run->papr_hcall.nr,
                                               run->papr_hcall.args);
         ret = 0;
         break;
@@ -844,7 +849,7 @@ static int read_cpuinfo(const char *field, char *value, int len)
             break;
         }
         if (!strncmp(line, field, field_len)) {
-            strncpy(value, line, len);
+            pstrcpy(value, len, line);
             ret = 0;
             break;
         }
@@ -1010,6 +1015,7 @@ int kvmppc_smt_threads(void)
     return cap_ppc_smt ? cap_ppc_smt : 1;
 }
 
+#ifdef TARGET_PPC64
 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
 {
     void *rma;
@@ -1053,6 +1059,16 @@ off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
     return size;
 }
 
+uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift)
+{
+    if (cap_ppc_rma >= 2) {
+        return current_size;
+    }
+    return MIN(current_size,
+               getrampagesize() << (hash_shift - 7));
+}
+#endif
+
 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd)
 {
     struct kvm_create_spapr_tce args = {
@@ -1112,6 +1128,44 @@ int kvmppc_remove_spapr_tce(void *table, int fd, uint32_t window_size)
     return 0;
 }
 
+int kvmppc_reset_htab(int shift_hint)
+{
+    uint32_t shift = shift_hint;
+
+    if (!kvm_enabled()) {
+        /* Full emulation, tell caller to allocate htab itself */
+        return 0;
+    }
+    if (kvm_check_extension(kvm_state, KVM_CAP_PPC_ALLOC_HTAB)) {
+        int ret;
+        ret = kvm_vm_ioctl(kvm_state, KVM_PPC_ALLOCATE_HTAB, &shift);
+        if (ret == -ENOTTY) {
+            /* At least some versions of PR KVM advertise the
+             * capability, but don't implement the ioctl().  Oops.
+             * Return 0 so that we allocate the htab in qemu, as is
+             * correct for PR. */
+            return 0;
+        } else if (ret < 0) {
+            return ret;
+        }
+        return shift;
+    }
+
+    /* We have a kernel that predates the htab reset calls.  For PR
+     * KVM, we need to allocate the htab ourselves, for an HV KVM of
+     * this era, it has allocated a 16MB fixed size hash table
+     * already.  Kernels of this era have the GET_PVINFO capability
+     * only on PR, so we use this hack to determine the right
+     * answer */
+    if (kvm_check_extension(kvm_state, KVM_CAP_PPC_GET_PVINFO)) {
+        /* PR - tell caller to allocate htab */
+        return 0;
+    } else {
+        /* HV - assume 16MB kernel allocated htab */
+        return 24;
+    }
+}
+
 static inline uint32_t mfpvr(void)
 {
     uint32_t pvr;