1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2021, The Linux Foundation. All rights reserved. 4 */ 5 #undef TRACE_SYSTEM 6 #define TRACE_SYSTEM rwmmio 7 8 #if !defined(_TRACE_MMIO_H) || defined(TRACE_HEADER_MULTI_READ) 9 #define _TRACE_MMIO_H 10 11 #include <linux/tracepoint.h> 12 13 TRACE_EVENT(rwmmio_write, 14 15 TP_PROTO(unsigned long fn, u64 val, u8 width, volatile void __iomem *addr), 16 17 TP_ARGS(fn, val, width, addr), 18 19 TP_STRUCT__entry( 20 __field(u64, fn) 21 __field(u64, val) 22 __field(u8, width) 23 __field(u64, addr) 24 ), 25 26 TP_fast_assign( 27 __entry->fn = fn; 28 __entry->val = val; 29 __entry->width = width; 30 __entry->addr = (u64)addr; 31 ), 32 33 TP_printk("%llxS write addr=%llx of width=%x val=0x%llx\n", 34 __entry->fn, __entry->addr, __entry->width, __entry->val) 35 ); 36 37 TRACE_EVENT(rwmmio_read, 38 39 TP_PROTO(unsigned long fn, u8 width, const volatile void __iomem *addr), 40 41 TP_ARGS(fn, width, addr), 42 43 TP_STRUCT__entry( 44 __field(u64, fn) 45 __field(u8, width) 46 __field(u64, addr) 47 ), 48 49 TP_fast_assign( 50 __entry->fn = fn; 51 __entry->width = width; 52 __entry->addr = (u64)addr; 53 ), 54 55 TP_printk("%llxS read addr=%llx of width=%x\n", 56 __entry->fn, __entry->addr, __entry->width) 57 ); 58 59 TRACE_EVENT(rwmmio_post_read, 60 61 TP_PROTO(unsigned long fn, u64 val, u8 width, const volatile void __iomem *addr), 62 63 TP_ARGS(fn, val, width, addr), 64 65 TP_STRUCT__entry( 66 __field(u64, fn) 67 __field(u64, val) 68 __field(u8, width) 69 __field(u64, addr) 70 ), 71 72 TP_fast_assign( 73 __entry->fn = fn; 74 __entry->val = val; 75 __entry->width = width; 76 __entry->addr = (u64)addr; 77 ), 78 79 TP_printk("%llxS read addr=%llx of width=%x val=0x%llx\n", 80 __entry->fn, __entry->addr, __entry->width, __entry->val) 81 ); 82 83 #endif /* _TRACE_MMIO_H */ 84 85 #include <trace/define_trace.h> 86