summaryrefslogtreecommitdiff
path: root/arch/powerpc/kvm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_host.c2
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_hv.c2
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_radix.c2
-rw-r--r--arch/powerpc/kvm/book3s_hv.c59
-rw-r--r--arch/powerpc/kvm/book3s_hv_builtin.c1
-rw-r--r--arch/powerpc/kvm/book3s_hv_rm_xive.c1
-rw-r--r--arch/powerpc/kvm/book3s_xics.c15
-rw-r--r--arch/powerpc/kvm/book3s_xive.c15
-rw-r--r--arch/powerpc/kvm/book3s_xive_native.c15
-rw-r--r--arch/powerpc/kvm/e500.c1
-rw-r--r--arch/powerpc/kvm/e500mc.c1
-rw-r--r--arch/powerpc/kvm/emulate_loadstore.c10
-rw-r--r--arch/powerpc/kvm/powerpc.c81
-rw-r--r--arch/powerpc/kvm/timing.c21
-rw-r--r--arch/powerpc/kvm/timing.h12
-rw-r--r--arch/powerpc/kvm/trace_hv.h1
16 files changed, 122 insertions, 117 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index c3e31fef0be1..1ae09992c9ea 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -228,7 +228,7 @@ static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid)
struct kvmppc_sid_map *map;
struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
u16 sid_map_mask;
- static int backwards_map = 0;
+ static int backwards_map;
if (kvmppc_get_msr(vcpu) & MSR_PR)
gvsid |= VSID_PR;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 213232914367..0aeb51738ca9 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -2112,7 +2112,7 @@ static const struct file_operations debugfs_htab_fops = {
void kvmppc_mmu_debugfs_init(struct kvm *kvm)
{
- debugfs_create_file("htab", 0400, kvm->arch.debugfs_dir, kvm,
+ debugfs_create_file("htab", 0400, kvm->debugfs_dentry, kvm,
&debugfs_htab_fops);
}
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 8cebe5542256..e4ce2a35483f 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -1454,7 +1454,7 @@ static const struct file_operations debugfs_radix_fops = {
void kvmhv_radix_debugfs_init(struct kvm *kvm)
{
- debugfs_create_file("radix", 0400, kvm->arch.debugfs_dir, kvm,
+ debugfs_create_file("radix", 0400, kvm->debugfs_dentry, kvm,
&debugfs_radix_fops);
}
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 84c89f08ae9a..c886557638a1 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2767,20 +2767,17 @@ static const struct file_operations debugfs_timings_ops = {
};
/* Create a debugfs directory for the vcpu */
-static void debugfs_vcpu_init(struct kvm_vcpu *vcpu, unsigned int id)
+static int kvmppc_arch_create_vcpu_debugfs_hv(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
{
- char buf[16];
- struct kvm *kvm = vcpu->kvm;
-
- snprintf(buf, sizeof(buf), "vcpu%u", id);
- vcpu->arch.debugfs_dir = debugfs_create_dir(buf, kvm->arch.debugfs_dir);
- debugfs_create_file("timings", 0444, vcpu->arch.debugfs_dir, vcpu,
+ debugfs_create_file("timings", 0444, debugfs_dentry, vcpu,
&debugfs_timings_ops);
+ return 0;
}
#else /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
-static void debugfs_vcpu_init(struct kvm_vcpu *vcpu, unsigned int id)
+static int kvmppc_arch_create_vcpu_debugfs_hv(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
{
+ return 0;
}
#endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
@@ -2903,8 +2900,6 @@ static int kvmppc_core_vcpu_create_hv(struct kvm_vcpu *vcpu)
vcpu->arch.cpu_type = KVM_CPU_3S_64;
kvmppc_sanity_check(vcpu);
- debugfs_vcpu_init(vcpu, id);
-
return 0;
}
@@ -5223,7 +5218,6 @@ void kvmppc_free_host_rm_ops(void)
static int kvmppc_core_init_vm_hv(struct kvm *kvm)
{
unsigned long lpcr, lpid;
- char buf[32];
int ret;
mutex_init(&kvm->arch.uvmem_lock);
@@ -5356,15 +5350,14 @@ static int kvmppc_core_init_vm_hv(struct kvm *kvm)
kvm->arch.smt_mode = 1;
kvm->arch.emul_smt_mode = 1;
- /*
- * Create a debugfs directory for the VM
- */
- snprintf(buf, sizeof(buf), "vm%d", current->pid);
- kvm->arch.debugfs_dir = debugfs_create_dir(buf, kvm_debugfs_dir);
+ return 0;
+}
+
+static int kvmppc_arch_create_vm_debugfs_hv(struct kvm *kvm)
+{
kvmppc_mmu_debugfs_init(kvm);
if (radix_enabled())
kvmhv_radix_debugfs_init(kvm);
-
return 0;
}
@@ -5379,8 +5372,6 @@ static void kvmppc_free_vcores(struct kvm *kvm)
static void kvmppc_core_destroy_vm_hv(struct kvm *kvm)
{
- debugfs_remove_recursive(kvm->arch.debugfs_dir);
-
if (!cpu_has_feature(CPU_FTR_ARCH_300))
kvm_hv_vm_deactivated();
@@ -6042,6 +6033,8 @@ static struct kvmppc_ops kvm_ops_hv = {
.svm_off = kvmhv_svm_off,
.enable_dawr1 = kvmhv_enable_dawr1,
.hash_v3_possible = kvmppc_hash_v3_possible,
+ .create_vcpu_debugfs = kvmppc_arch_create_vcpu_debugfs_hv,
+ .create_vm_debugfs = kvmppc_arch_create_vm_debugfs_hv,
};
static int kvm_init_subcore_bitmap(void)
@@ -6103,7 +6096,7 @@ static int kvmppc_book3s_init_hv(void)
if (!cpu_has_feature(CPU_FTR_ARCH_300)) {
r = kvm_init_subcore_bitmap();
if (r)
- return r;
+ goto err;
}
/*
@@ -6119,30 +6112,42 @@ static int kvmppc_book3s_init_hv(void)
np = of_find_compatible_node(NULL, NULL, "ibm,opal-intc");
if (!np) {
pr_err("KVM-HV: Cannot determine method for accessing XICS\n");
- return -ENODEV;
+ r = -ENODEV;
+ goto err;
}
/* presence of intc confirmed - node can be dropped again */
of_node_put(np);
}
#endif
- kvm_ops_hv.owner = THIS_MODULE;
- kvmppc_hv_ops = &kvm_ops_hv;
-
init_default_hcalls();
init_vcore_lists();
r = kvmppc_mmu_hv_init();
if (r)
- return r;
+ goto err;
- if (kvmppc_radix_possible())
+ if (kvmppc_radix_possible()) {
r = kvmppc_radix_init();
+ if (r)
+ goto err;
+ }
r = kvmppc_uvmem_init();
- if (r < 0)
+ if (r < 0) {
pr_err("KVM-HV: kvmppc_uvmem_init failed %d\n", r);
+ return r;
+ }
+
+ kvm_ops_hv.owner = THIS_MODULE;
+ kvmppc_hv_ops = &kvm_ops_hv;
+
+ return 0;
+
+err:
+ kvmhv_nested_exit();
+ kvmppc_radix_exit();
return r;
}
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c
index 7d6d91338c3f..7e52d0beee77 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -15,7 +15,6 @@
#include <linux/cma.h>
#include <linux/bitops.h>
-#include <asm/asm-prototypes.h>
#include <asm/cputable.h>
#include <asm/interrupt.h>
#include <asm/kvm_ppc.h>
diff --git a/arch/powerpc/kvm/book3s_hv_rm_xive.c b/arch/powerpc/kvm/book3s_hv_rm_xive.c
index 6f18632e30e9..dd9880731bd6 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_xive.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_xive.c
@@ -16,7 +16,6 @@
#include <asm/pnv-pci.h>
#include <asm/opal.h>
#include <asm/smp.h>
-#include <asm/asm-prototypes.h>
#include <asm/xive.h>
#include <asm/xive-regs.h>
diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c
index 9cc466006e8b..ab6d37d78c62 100644
--- a/arch/powerpc/kvm/book3s_xics.c
+++ b/arch/powerpc/kvm/book3s_xics.c
@@ -1016,19 +1016,10 @@ DEFINE_SHOW_ATTRIBUTE(xics_debug);
static void xics_debugfs_init(struct kvmppc_xics *xics)
{
- char *name;
-
- name = kasprintf(GFP_KERNEL, "kvm-xics-%p", xics);
- if (!name) {
- pr_err("%s: no memory for name\n", __func__);
- return;
- }
-
- xics->dentry = debugfs_create_file(name, 0444, arch_debugfs_dir,
+ xics->dentry = debugfs_create_file("xics", 0444, xics->kvm->debugfs_dentry,
xics, &xics_debug_fops);
- pr_debug("%s: created %s\n", __func__, name);
- kfree(name);
+ pr_debug("%s: created\n", __func__);
}
static struct kvmppc_ics *kvmppc_xics_create_ics(struct kvm *kvm,
@@ -1440,7 +1431,7 @@ static int kvmppc_xics_create(struct kvm_device *dev, u32 type)
static void kvmppc_xics_init(struct kvm_device *dev)
{
- struct kvmppc_xics *xics = (struct kvmppc_xics *)dev->private;
+ struct kvmppc_xics *xics = dev->private;
xics_debugfs_init(xics);
}
diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
index e216c068075d..c0ce5531d9bc 100644
--- a/arch/powerpc/kvm/book3s_xive.c
+++ b/arch/powerpc/kvm/book3s_xive.c
@@ -2354,24 +2354,15 @@ DEFINE_SHOW_ATTRIBUTE(xive_debug);
static void xive_debugfs_init(struct kvmppc_xive *xive)
{
- char *name;
-
- name = kasprintf(GFP_KERNEL, "kvm-xive-%p", xive);
- if (!name) {
- pr_err("%s: no memory for name\n", __func__);
- return;
- }
-
- xive->dentry = debugfs_create_file(name, S_IRUGO, arch_debugfs_dir,
+ xive->dentry = debugfs_create_file("xive", S_IRUGO, xive->kvm->debugfs_dentry,
xive, &xive_debug_fops);
- pr_debug("%s: created %s\n", __func__, name);
- kfree(name);
+ pr_debug("%s: created\n", __func__);
}
static void kvmppc_xive_init(struct kvm_device *dev)
{
- struct kvmppc_xive *xive = (struct kvmppc_xive *)dev->private;
+ struct kvmppc_xive *xive = dev->private;
/* Register some debug interfaces */
xive_debugfs_init(xive);
diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
index 561a5bfe0468..f81ba6f84e72 100644
--- a/arch/powerpc/kvm/book3s_xive_native.c
+++ b/arch/powerpc/kvm/book3s_xive_native.c
@@ -1259,24 +1259,15 @@ DEFINE_SHOW_ATTRIBUTE(xive_native_debug);
static void xive_native_debugfs_init(struct kvmppc_xive *xive)
{
- char *name;
-
- name = kasprintf(GFP_KERNEL, "kvm-xive-%p", xive);
- if (!name) {
- pr_err("%s: no memory for name\n", __func__);
- return;
- }
-
- xive->dentry = debugfs_create_file(name, 0444, arch_debugfs_dir,
+ xive->dentry = debugfs_create_file("xive", 0444, xive->kvm->debugfs_dentry,
xive, &xive_native_debug_fops);
- pr_debug("%s: created %s\n", __func__, name);
- kfree(name);
+ pr_debug("%s: created\n", __func__);
}
static void kvmppc_xive_native_init(struct kvm_device *dev)
{
- struct kvmppc_xive *xive = (struct kvmppc_xive *)dev->private;
+ struct kvmppc_xive *xive = dev->private;
/* Register some debug interfaces */
xive_native_debugfs_init(xive);
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 7e8b69015d20..c8b2b4478545 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -495,6 +495,7 @@ static struct kvmppc_ops kvm_ops_e500 = {
.emulate_op = kvmppc_core_emulate_op_e500,
.emulate_mtspr = kvmppc_core_emulate_mtspr_e500,
.emulate_mfspr = kvmppc_core_emulate_mfspr_e500,
+ .create_vcpu_debugfs = kvmppc_create_vcpu_debugfs_e500,
};
static int __init kvmppc_e500_init(void)
diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index 1c189b5aadcc..fa0d8dbbe484 100644
--- a/arch/powerpc/kvm/e500mc.c
+++ b/arch/powerpc/kvm/e500mc.c
@@ -381,6 +381,7 @@ static struct kvmppc_ops kvm_ops_e500mc = {
.emulate_op = kvmppc_core_emulate_op_e500,
.emulate_mtspr = kvmppc_core_emulate_mtspr_e500,
.emulate_mfspr = kvmppc_core_emulate_mfspr_e500,
+ .create_vcpu_debugfs = kvmppc_create_vcpu_debugfs_e500,
};
static int __init kvmppc_e500mc_init(void)
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index 48272a9b9c30..cfc9114b87d0 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -73,7 +73,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
{
u32 inst;
enum emulation_result emulated = EMULATE_FAIL;
- int advance = 1;
struct instruction_op op;
/* this default type might be overwritten by subcategories */
@@ -98,6 +97,8 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
int type = op.type & INSTR_TYPE_MASK;
int size = GETSIZE(op.type);
+ vcpu->mmio_is_write = OP_IS_STORE(type);
+
switch (type) {
case LOAD: {
int instr_byte_swap = op.type & BYTEREV;
@@ -355,15 +356,10 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
}
}
- if (emulated == EMULATE_FAIL) {
- advance = 0;
- kvmppc_core_queue_program(vcpu, 0);
- }
-
trace_kvm_ppc_instr(inst, kvmppc_get_pc(vcpu), emulated);
/* Advance past emulated instruction. */
- if (advance)
+ if (emulated != EMULATE_FAIL)
kvmppc_set_pc(vcpu, kvmppc_get_pc(vcpu) + 4);
return emulated;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2ad0ccd202d5..9772b176e406 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -307,9 +307,31 @@ int kvmppc_emulate_mmio(struct kvm_vcpu *vcpu)
u32 last_inst;
kvmppc_get_last_inst(vcpu, INST_GENERIC, &last_inst);
- /* XXX Deliver Program interrupt to guest. */
- pr_emerg("%s: emulation failed (%08x)\n", __func__, last_inst);
- r = RESUME_HOST;
+ kvm_debug_ratelimited("Guest access to device memory using unsupported instruction (opcode: %#08x)\n",
+ last_inst);
+
+ /*
+ * Injecting a Data Storage here is a bit more
+ * accurate since the instruction that caused the
+ * access could still be a valid one.
+ */
+ if (!IS_ENABLED(CONFIG_BOOKE)) {
+ ulong dsisr = DSISR_BADACCESS;
+
+ if (vcpu->mmio_is_write)
+ dsisr |= DSISR_ISSTORE;
+
+ kvmppc_core_queue_data_storage(vcpu, vcpu->arch.vaddr_accessed, dsisr);
+ } else {
+ /*
+ * BookE does not send a SIGBUS on a bad
+ * fault, so use a Program interrupt instead
+ * to avoid a fault loop.
+ */
+ kvmppc_core_queue_program(vcpu, 0);
+ }
+
+ r = RESUME_GUEST;
break;
}
default:
@@ -431,6 +453,8 @@ int kvm_arch_check_processor_compat(void *opaque)
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
{
struct kvmppc_ops *kvm_ops = NULL;
+ int r;
+
/*
* if we have both HV and PR enabled, default is HV
*/
@@ -452,11 +476,14 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
} else
goto err_out;
- if (kvm_ops->owner && !try_module_get(kvm_ops->owner))
+ if (!try_module_get(kvm_ops->owner))
return -ENOENT;
kvm->arch.kvm_ops = kvm_ops;
- return kvmppc_core_init_vm(kvm);
+ r = kvmppc_core_init_vm(kvm);
+ if (r)
+ module_put(kvm_ops->owner);
+ return r;
err_out:
return -EINVAL;
}
@@ -755,7 +782,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
rcuwait_init(&vcpu->arch.wait);
vcpu->arch.waitp = &vcpu->arch.wait;
- kvmppc_create_vcpu_debugfs(vcpu, vcpu->vcpu_id);
return 0;
out_vcpu_uninit:
@@ -772,8 +798,6 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
/* Make sure we're not using the vcpu anymore */
hrtimer_cancel(&vcpu->arch.dec_timer);
- kvmppc_remove_vcpu_debugfs(vcpu);
-
switch (vcpu->arch.irq_type) {
case KVMPPC_IRQ_MPIC:
kvmppc_mpic_disconnect_vcpu(vcpu->arch.mpic, vcpu);
@@ -1114,10 +1138,8 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu)
struct kvm_run *run = vcpu->run;
u64 gpr;
- if (run->mmio.len > sizeof(gpr)) {
- printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
+ if (run->mmio.len > sizeof(gpr))
return;
- }
if (!vcpu->arch.mmio_host_swabbed) {
switch (run->mmio.len) {
@@ -1236,10 +1258,8 @@ static int __kvmppc_handle_load(struct kvm_vcpu *vcpu,
host_swabbed = !is_default_endian;
}
- if (bytes > sizeof(run->mmio.data)) {
- printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
- run->mmio.len);
- }
+ if (bytes > sizeof(run->mmio.data))
+ return EMULATE_FAIL;
run->mmio.phys_addr = vcpu->arch.paddr_accessed;
run->mmio.len = bytes;
@@ -1325,10 +1345,8 @@ int kvmppc_handle_store(struct kvm_vcpu *vcpu,
host_swabbed = !is_default_endian;
}
- if (bytes > sizeof(run->mmio.data)) {
- printk(KERN_ERR "%s: bad MMIO length: %d\n", __func__,
- run->mmio.len);
- }
+ if (bytes > sizeof(run->mmio.data))
+ return EMULATE_FAIL;
run->mmio.phys_addr = vcpu->arch.paddr_accessed;
run->mmio.len = bytes;
@@ -1499,7 +1517,7 @@ int kvmppc_handle_vmx_load(struct kvm_vcpu *vcpu,
{
enum emulation_result emulated = EMULATE_DONE;
- if (vcpu->arch.mmio_vsx_copy_nums > 2)
+ if (vcpu->arch.mmio_vmx_copy_nums > 2)
return EMULATE_FAIL;
while (vcpu->arch.mmio_vmx_copy_nums) {
@@ -1596,7 +1614,7 @@ int kvmppc_handle_vmx_store(struct kvm_vcpu *vcpu,
unsigned int index = rs & KVM_MMIO_REG_MASK;
enum emulation_result emulated = EMULATE_DONE;
- if (vcpu->arch.mmio_vsx_copy_nums > 2)
+ if (vcpu->arch.mmio_vmx_copy_nums > 2)
return EMULATE_FAIL;
vcpu->arch.io_gpr = rs;
@@ -1841,6 +1859,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
#ifdef CONFIG_ALTIVEC
out:
#endif
+
+ /*
+ * We're already returning to userspace, don't pass the
+ * RESUME_HOST flags along.
+ */
+ if (r > 0)
+ r = 0;
+
vcpu_put(vcpu);
return r;
}
@@ -2497,3 +2523,16 @@ int kvm_arch_init(void *opaque)
}
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_ppc_instr);
+
+void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
+{
+ if (vcpu->kvm->arch.kvm_ops->create_vcpu_debugfs)
+ vcpu->kvm->arch.kvm_ops->create_vcpu_debugfs(vcpu, debugfs_dentry);
+}
+
+int kvm_arch_create_vm_debugfs(struct kvm *kvm)
+{
+ if (kvm->arch.kvm_ops->create_vm_debugfs)
+ kvm->arch.kvm_ops->create_vm_debugfs(kvm);
+ return 0;
+}
diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c
index ba56a5cbba97..25071331f8c1 100644
--- a/arch/powerpc/kvm/timing.c
+++ b/arch/powerpc/kvm/timing.c
@@ -204,21 +204,10 @@ static const struct file_operations kvmppc_exit_timing_fops = {
.release = single_release,
};
-void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id)
+int kvmppc_create_vcpu_debugfs_e500(struct kvm_vcpu *vcpu,
+ struct dentry *debugfs_dentry)
{
- static char dbg_fname[50];
- struct dentry *debugfs_file;
-
- snprintf(dbg_fname, sizeof(dbg_fname), "vm%u_vcpu%u_timing",
- current->pid, id);
- debugfs_file = debugfs_create_file(dbg_fname, 0666, kvm_debugfs_dir,
- vcpu, &kvmppc_exit_timing_fops);
-
- vcpu->arch.debugfs_exit_timing = debugfs_file;
-}
-
-void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu)
-{
- debugfs_remove(vcpu->arch.debugfs_exit_timing);
- vcpu->arch.debugfs_exit_timing = NULL;
+ debugfs_create_file("timing", 0666, debugfs_dentry,
+ vcpu, &kvmppc_exit_timing_fops);
+ return 0;
}
diff --git a/arch/powerpc/kvm/timing.h b/arch/powerpc/kvm/timing.h
index feef7885ba82..45817ab82bb4 100644
--- a/arch/powerpc/kvm/timing.h
+++ b/arch/powerpc/kvm/timing.h
@@ -14,8 +14,8 @@
#ifdef CONFIG_KVM_EXIT_TIMING
void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu);
void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu);
-void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu, unsigned int id);
-void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu);
+int kvmppc_create_vcpu_debugfs_e500(struct kvm_vcpu *vcpu,
+ struct dentry *debugfs_dentry);
static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type)
{
@@ -26,9 +26,11 @@ static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type)
/* if exit timing is not configured there is no need to build the c file */
static inline void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu) {}
static inline void kvmppc_update_timing_stats(struct kvm_vcpu *vcpu) {}
-static inline void kvmppc_create_vcpu_debugfs(struct kvm_vcpu *vcpu,
- unsigned int id) {}
-static inline void kvmppc_remove_vcpu_debugfs(struct kvm_vcpu *vcpu) {}
+static inline int kvmppc_create_vcpu_debugfs_e500(struct kvm_vcpu *vcpu,
+ struct dentry *debugfs_dentry)
+{
+ return 0;
+}
static inline void kvmppc_set_exit_type(struct kvm_vcpu *vcpu, int type) {}
#endif /* CONFIG_KVM_EXIT_TIMING */
diff --git a/arch/powerpc/kvm/trace_hv.h b/arch/powerpc/kvm/trace_hv.h
index 830a126e095d..38cd0ed0a617 100644
--- a/arch/powerpc/kvm/trace_hv.h
+++ b/arch/powerpc/kvm/trace_hv.h
@@ -115,6 +115,7 @@
{H_VASI_STATE, "H_VASI_STATE"}, \
{H_ENABLE_CRQ, "H_ENABLE_CRQ"}, \
{H_GET_EM_PARMS, "H_GET_EM_PARMS"}, \
+ {H_GET_ENERGY_SCALE_INFO, "H_GET_ENERGY_SCALE_INFO"}, \
{H_SET_MPP, "H_SET_MPP"}, \
{H_GET_MPP, "H_GET_MPP"}, \
{H_HOME_NODE_ASSOCIATIVITY, "H_HOME_NODE_ASSOCIATIVITY"}, \
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-11 15:39:02 +0300