1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * From PPR Vol 1 for AMD Family 19h Model 01h B1 4 * 55898 Rev 0.35 - Feb 5, 2021 5 */ 6 7 #include <asm/msr-index.h> 8 9 /* 10 * IBS Hardware MSRs 11 */ 12 13 /* MSR 0xc0011030: IBS Fetch Control */ 14 union ibs_fetch_ctl { 15 __u64 val; 16 struct { 17 __u64 fetch_maxcnt:16,/* 0-15: instruction fetch max. count */ 18 fetch_cnt:16, /* 16-31: instruction fetch count */ 19 fetch_lat:16, /* 32-47: instruction fetch latency */ 20 fetch_en:1, /* 48: instruction fetch enable */ 21 fetch_val:1, /* 49: instruction fetch valid */ 22 fetch_comp:1, /* 50: instruction fetch complete */ 23 ic_miss:1, /* 51: i-cache miss */ 24 phy_addr_valid:1,/* 52: physical address valid */ 25 l1tlb_pgsz:2, /* 53-54: i-cache L1TLB page size 26 * (needs IbsPhyAddrValid) */ 27 l1tlb_miss:1, /* 55: i-cache fetch missed in L1TLB */ 28 l2tlb_miss:1, /* 56: i-cache fetch missed in L2TLB */ 29 rand_en:1, /* 57: random tagging enable */ 30 fetch_l2_miss:1,/* 58: L2 miss for sampled fetch 31 * (needs IbsFetchComp) */ 32 reserved:5; /* 59-63: reserved */ 33 }; 34 }; 35 36 /* MSR 0xc0011033: IBS Execution Control */ 37 union ibs_op_ctl { 38 __u64 val; 39 struct { 40 __u64 opmaxcnt:16, /* 0-15: periodic op max. count */ 41 reserved0:1, /* 16: reserved */ 42 op_en:1, /* 17: op sampling enable */ 43 op_val:1, /* 18: op sample valid */ 44 cnt_ctl:1, /* 19: periodic op counter control */ 45 opmaxcnt_ext:7, /* 20-26: upper 7 bits of periodic op maximum count */ 46 reserved1:5, /* 27-31: reserved */ 47 opcurcnt:27, /* 32-58: periodic op counter current count */ 48 reserved2:5; /* 59-63: reserved */ 49 }; 50 }; 51 52 /* MSR 0xc0011035: IBS Op Data 2 */ 53 union ibs_op_data { 54 __u64 val; 55 struct { 56 __u64 comp_to_ret_ctr:16, /* 0-15: op completion to retire count */ 57 tag_to_ret_ctr:16, /* 15-31: op tag to retire count */ 58 reserved1:2, /* 32-33: reserved */ 59 op_return:1, /* 34: return op */ 60 op_brn_taken:1, /* 35: taken branch op */ 61 op_brn_misp:1, /* 36: mispredicted branch op */ 62 op_brn_ret:1, /* 37: branch op retired */ 63 op_rip_invalid:1, /* 38: RIP is invalid */ 64 op_brn_fuse:1, /* 39: fused branch op */ 65 op_microcode:1, /* 40: microcode op */ 66 reserved2:23; /* 41-63: reserved */ 67 }; 68 }; 69 70 /* MSR 0xc0011036: IBS Op Data 2 */ 71 union ibs_op_data2 { 72 __u64 val; 73 struct { 74 __u64 data_src:3, /* 0-2: data source */ 75 reserved0:1, /* 3: reserved */ 76 rmt_node:1, /* 4: destination node */ 77 cache_hit_st:1, /* 5: cache hit state */ 78 reserved1:57; /* 5-63: reserved */ 79 }; 80 }; 81 82 /* MSR 0xc0011037: IBS Op Data 3 */ 83 union ibs_op_data3 { 84 __u64 val; 85 struct { 86 __u64 ld_op:1, /* 0: load op */ 87 st_op:1, /* 1: store op */ 88 dc_l1tlb_miss:1, /* 2: data cache L1TLB miss */ 89 dc_l2tlb_miss:1, /* 3: data cache L2TLB hit in 2M page */ 90 dc_l1tlb_hit_2m:1, /* 4: data cache L1TLB hit in 2M page */ 91 dc_l1tlb_hit_1g:1, /* 5: data cache L1TLB hit in 1G page */ 92 dc_l2tlb_hit_2m:1, /* 6: data cache L2TLB hit in 2M page */ 93 dc_miss:1, /* 7: data cache miss */ 94 dc_mis_acc:1, /* 8: misaligned access */ 95 reserved:4, /* 9-12: reserved */ 96 dc_wc_mem_acc:1, /* 13: write combining memory access */ 97 dc_uc_mem_acc:1, /* 14: uncacheable memory access */ 98 dc_locked_op:1, /* 15: locked operation */ 99 dc_miss_no_mab_alloc:1, /* 16: DC miss with no MAB allocated */ 100 dc_lin_addr_valid:1, /* 17: data cache linear address valid */ 101 dc_phy_addr_valid:1, /* 18: data cache physical address valid */ 102 dc_l2_tlb_hit_1g:1, /* 19: data cache L2 hit in 1GB page */ 103 l2_miss:1, /* 20: L2 cache miss */ 104 sw_pf:1, /* 21: software prefetch */ 105 op_mem_width:4, /* 22-25: load/store size in bytes */ 106 op_dc_miss_open_mem_reqs:6, /* 26-31: outstanding mem reqs on DC fill */ 107 dc_miss_lat:16, /* 32-47: data cache miss latency */ 108 tlb_refill_lat:16; /* 48-63: L1 TLB refill latency */ 109 }; 110 }; 111 112 /* MSR 0xc001103c: IBS Fetch Control Extended */ 113 union ic_ibs_extd_ctl { 114 __u64 val; 115 struct { 116 __u64 itlb_refill_lat:16, /* 0-15: ITLB Refill latency for sampled fetch */ 117 reserved:48; /* 16-63: reserved */ 118 }; 119 }; 120 121 /* 122 * IBS driver related 123 */ 124 125 struct perf_ibs_data { 126 u32 size; 127 union { 128 u32 data[0]; /* data buffer starts here */ 129 u32 caps; 130 }; 131 u64 regs[MSR_AMD64_IBS_REG_COUNT_MAX]; 132 }; 133