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ANDROID: gunyah: Add trace_hooks in gunyah_vcpu and vm_mgr driver

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Provide vendor hooks for VM and VCPU ioctl release for vendor usage.

Bug: 413283378
Change-Id: I6320313687a20b7f619d27d5f0723225da302672
Signed-off-by: Cong Zhang <quic_congzhan@quicinc.com>
This commit is contained in:
Cong Zhang
2025-04-24 19:29:36 +08:00
committed by Treehugger Robot
parent fed767b09e
commit 855c35c72d
4 changed files with 13 additions and 0 deletions
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drivers/android/vendor_hooks.c
+2
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@@ -168,6 +168,8 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gic_v3_set_affinity);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gh_before_vcpu_run);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gh_after_vcpu_run);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gh_vm_release);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gh_vcpu_release);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_select_special_worklist);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
drivers/virt/gunyah/gunyah_vcpu.c
+1
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@@ -368,6 +368,7 @@ static int gunyah_vcpu_release(struct inode *inode, struct file *filp)
{
struct gunyah_vcpu *vcpu = filp->private_data;
trace_android_rvh_gh_vcpu_release(vcpu->ghvm->vmid, vcpu);
gunyah_vm_put(vcpu->ghvm);
kref_put(&vcpu->kref, vcpu_release);
return 0;
drivers/virt/gunyah/vm_mgr.c
+2
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@@ -13,6 +13,7 @@
#include <linux/xarray.h>
#include <uapi/linux/gunyah.h>
#include <trace/hooks/gunyah.h>
#include "rsc_mgr.h"
#include "vm_mgr.h"
@@ -1190,6 +1191,7 @@ static int gunyah_vm_release(struct inode *inode, struct file *filp)
{
struct gunyah_vm *ghvm = filp->private_data;
trace_android_rvh_gh_vm_release(ghvm->vmid, ghvm);
gunyah_vm_put(ghvm);
return 0;
}
include/trace/hooks/gunyah.h
+8
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@@ -6,6 +6,8 @@
#define _TRACE_HOOK_GUNYAH_H
#include <trace/hooks/vendor_hooks.h>
struct gunyah_hypercall_vcpu_run_resp;
struct gunyah_vcpu;
struct gunyah_vm;
DECLARE_RESTRICTED_HOOK(android_rvh_gh_before_vcpu_run,
TP_PROTO(u16 vmid, u32 vcpu_id),
@@ -14,6 +16,12 @@ DECLARE_RESTRICTED_HOOK(android_rvh_gh_after_vcpu_run,
TP_PROTO(u16 vmid, u32 vcpu_id, int hcall_ret,
const struct gunyah_hypercall_vcpu_run_resp *resp),
TP_ARGS(vmid, vcpu_id, hcall_ret, resp), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_gh_vm_release,
TP_PROTO(u16 vmid, struct gunyah_vm *ghvm),
TP_ARGS(vmid, ghvm), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_gh_vcpu_release,
TP_PROTO(u16 vmid, struct gunyah_vcpu *vcpu),
TP_ARGS(vmid, vcpu), 1);
#endif /* _TRACE_HOOK_GUNYAH_H */
/* This part must be outside protection */