arm64/kvm/trace_handle_exit.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
0003 #define _TRACE_HANDLE_EXIT_ARM64_KVM_H
0004
0005 #include <linux/tracepoint.h>
0006 #include "sys_regs.h"
0007
0008 #undef TRACE_SYSTEM
0009 #define TRACE_SYSTEM kvm
0010
0011 TRACE_EVENT(kvm_wfx_arm64,
0012     TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
0013     TP_ARGS(vcpu_pc, is_wfe),
0014
0015     TP_STRUCT__entry(
0016         __field(unsigned long,  vcpu_pc)
0017         __field(bool,       is_wfe)
0018     ),
0019
0020     TP_fast_assign(
0021         __entry->vcpu_pc = vcpu_pc;
0022         __entry->is_wfe  = is_wfe;
0023     ),
0024
0025     TP_printk("guest executed wf%c at: 0x%016lx",
0026           __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
0027 );
0028
0029 TRACE_EVENT(kvm_hvc_arm64,
0030     TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
0031     TP_ARGS(vcpu_pc, r0, imm),
0032
0033     TP_STRUCT__entry(
0034         __field(unsigned long, vcpu_pc)
0035         __field(unsigned long, r0)
0036         __field(unsigned long, imm)
0037     ),
0038
0039     TP_fast_assign(
0040         __entry->vcpu_pc = vcpu_pc;
0041         __entry->r0 = r0;
0042         __entry->imm = imm;
0043     ),
0044
0045     TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",
0046           __entry->vcpu_pc, __entry->r0, __entry->imm)
0047 );
0048
0049 TRACE_EVENT(kvm_arm_setup_debug,
0050     TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
0051     TP_ARGS(vcpu, guest_debug),
0052
0053     TP_STRUCT__entry(
0054         __field(struct kvm_vcpu *, vcpu)
0055         __field(__u32, guest_debug)
0056     ),
0057
0058     TP_fast_assign(
0059         __entry->vcpu = vcpu;
0060         __entry->guest_debug = guest_debug;
0061     ),
0062
0063     TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
0064 );
0065
0066 TRACE_EVENT(kvm_arm_clear_debug,
0067     TP_PROTO(__u32 guest_debug),
0068     TP_ARGS(guest_debug),
0069
0070     TP_STRUCT__entry(
0071         __field(__u32, guest_debug)
0072     ),
0073
0074     TP_fast_assign(
0075         __entry->guest_debug = guest_debug;
0076     ),
0077
0078     TP_printk("flags: 0x%08x", __entry->guest_debug)
0079 );
0080
0081 /*
0082  * The dreg32 name is a leftover from a distant past. This will really
0083  * output a 64bit value...
0084  */
0085 TRACE_EVENT(kvm_arm_set_dreg32,
0086     TP_PROTO(const char *name, __u64 value),
0087     TP_ARGS(name, value),
0088
0089     TP_STRUCT__entry(
0090         __field(const char *, name)
0091         __field(__u64, value)
0092     ),
0093
0094     TP_fast_assign(
0095         __entry->name = name;
0096         __entry->value = value;
0097     ),
0098
0099     TP_printk("%s: 0x%llx", __entry->name, __entry->value)
0100 );
0101
0102 TRACE_DEFINE_SIZEOF(__u64);
0103
0104 TRACE_EVENT(kvm_arm_set_regset,
0105     TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
0106     TP_ARGS(type, len, control, value),
0107     TP_STRUCT__entry(
0108         __field(const char *, name)
0109         __field(int, len)
0110         __array(u64, ctrls, 16)
0111         __array(u64, values, 16)
0112     ),
0113     TP_fast_assign(
0114         __entry->name = type;
0115         __entry->len = len;
0116         memcpy(__entry->ctrls, control, len << 3);
0117         memcpy(__entry->values, value, len << 3);
0118     ),
0119     TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
0120         __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
0121         __print_array(__entry->values, __entry->len, sizeof(__u64)))
0122 );
0123
0124 TRACE_EVENT(trap_reg,
0125     TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
0126     TP_ARGS(fn, reg, is_write, write_value),
0127
0128     TP_STRUCT__entry(
0129         __field(const char *, fn)
0130         __field(int, reg)
0131         __field(bool, is_write)
0132         __field(u64, write_value)
0133     ),
0134
0135     TP_fast_assign(
0136         __entry->fn = fn;
0137         __entry->reg = reg;
0138         __entry->is_write = is_write;
0139         __entry->write_value = write_value;
0140     ),
0141
0142     TP_printk("%s %s reg %d (0x%016llx)", __entry->fn,  __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
0143 );
0144
0145 TRACE_EVENT(kvm_handle_sys_reg,
0146     TP_PROTO(unsigned long hsr),
0147     TP_ARGS(hsr),
0148
0149     TP_STRUCT__entry(
0150         __field(unsigned long,  hsr)
0151     ),
0152
0153     TP_fast_assign(
0154         __entry->hsr = hsr;
0155     ),
0156
0157     TP_printk("HSR 0x%08lx", __entry->hsr)
0158 );
0159
0160 TRACE_EVENT(kvm_sys_access,
0161     TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
0162     TP_ARGS(vcpu_pc, params, reg),
0163
0164     TP_STRUCT__entry(
0165         __field(unsigned long,          vcpu_pc)
0166         __field(bool,               is_write)
0167         __field(const char *,           name)
0168         __field(u8,             Op0)
0169         __field(u8,             Op1)
0170         __field(u8,             CRn)
0171         __field(u8,             CRm)
0172         __field(u8,             Op2)
0173     ),
0174
0175     TP_fast_assign(
0176         __entry->vcpu_pc = vcpu_pc;
0177         __entry->is_write = params->is_write;
0178         __entry->name = reg->name;
0179         __entry->Op0 = reg->Op0;
0180         __entry->Op0 = reg->Op0;
0181         __entry->Op1 = reg->Op1;
0182         __entry->CRn = reg->CRn;
0183         __entry->CRm = reg->CRm;
0184         __entry->Op2 = reg->Op2;
0185     ),
0186
0187     TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
0188           __entry->vcpu_pc, __entry->name ?: "UNKN",
0189           __entry->Op0, __entry->Op1, __entry->CRn,
0190           __entry->CRm, __entry->Op2,
0191           __entry->is_write ? "write" : "read")
0192 );
0193
0194 TRACE_EVENT(kvm_set_guest_debug,
0195     TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
0196     TP_ARGS(vcpu, guest_debug),
0197
0198     TP_STRUCT__entry(
0199         __field(struct kvm_vcpu *, vcpu)
0200         __field(__u32, guest_debug)
0201     ),
0202
0203     TP_fast_assign(
0204         __entry->vcpu = vcpu;
0205         __entry->guest_debug = guest_debug;
0206     ),
0207
0208     TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
0209 );
0210
0211 #endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */
0212
0213 #undef TRACE_INCLUDE_PATH
0214 #define TRACE_INCLUDE_PATH .
0215 #undef TRACE_INCLUDE_FILE
0216 #define TRACE_INCLUDE_FILE trace_handle_exit
0217
0218 /* This part must be outside protection */
0219 #include <trace/define_trace.h>