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 "msr-index.h" 8 9 /* IBS_OP_DATA2 DataSrc */ 10 #define IBS_DATA_SRC_LOC_CACHE 2 11 #define IBS_DATA_SRC_DRAM 3 12 #define IBS_DATA_SRC_REM_CACHE 4 13 #define IBS_DATA_SRC_IO 7 14 15 /* IBS_OP_DATA2 DataSrc Extension */ 16 #define IBS_DATA_SRC_EXT_LOC_CACHE 1 17 #define IBS_DATA_SRC_EXT_NEAR_CCX_CACHE 2 18 #define IBS_DATA_SRC_EXT_DRAM 3 19 #define IBS_DATA_SRC_EXT_FAR_CCX_CACHE 5 20 #define IBS_DATA_SRC_EXT_PMEM 6 21 #define IBS_DATA_SRC_EXT_IO 7 22 #define IBS_DATA_SRC_EXT_EXT_MEM 8 23 #define IBS_DATA_SRC_EXT_PEER_AGENT_MEM 12 24 25 /* 26 * IBS Hardware MSRs 27 */ 28 29 /* MSR 0xc0011030: IBS Fetch Control */ 30 union ibs_fetch_ctl { 31 __u64 val; 32 struct { 33 __u64 fetch_maxcnt:16,/* 0-15: instruction fetch max. count */ 34 fetch_cnt:16, /* 16-31: instruction fetch count */ 35 fetch_lat:16, /* 32-47: instruction fetch latency */ 36 fetch_en:1, /* 48: instruction fetch enable */ 37 fetch_val:1, /* 49: instruction fetch valid */ 38 fetch_comp:1, /* 50: instruction fetch complete */ 39 ic_miss:1, /* 51: i-cache miss */ 40 phy_addr_valid:1,/* 52: physical address valid */ 41 l1tlb_pgsz:2, /* 53-54: i-cache L1TLB page size 42 * (needs IbsPhyAddrValid) */ 43 l1tlb_miss:1, /* 55: i-cache fetch missed in L1TLB */ 44 l2tlb_miss:1, /* 56: i-cache fetch missed in L2TLB */ 45 rand_en:1, /* 57: random tagging enable */ 46 fetch_l2_miss:1,/* 58: L2 miss for sampled fetch 47 * (needs IbsFetchComp) */ 48 l3_miss_only:1, /* 59: Collect L3 miss samples only */ 49 fetch_oc_miss:1,/* 60: Op cache miss for the sampled fetch */ 50 fetch_l3_miss:1,/* 61: L3 cache miss for the sampled fetch */ 51 reserved:2; /* 62-63: reserved */ 52 }; 53 }; 54 55 /* MSR 0xc0011033: IBS Execution Control */ 56 union ibs_op_ctl { 57 __u64 val; 58 struct { 59 __u64 opmaxcnt:16, /* 0-15: periodic op max. count */ 60 l3_miss_only:1, /* 16: Collect L3 miss samples only */ 61 op_en:1, /* 17: op sampling enable */ 62 op_val:1, /* 18: op sample valid */ 63 cnt_ctl:1, /* 19: periodic op counter control */ 64 opmaxcnt_ext:7, /* 20-26: upper 7 bits of periodic op maximum count */ 65 reserved0:5, /* 27-31: reserved */ 66 opcurcnt:27, /* 32-58: periodic op counter current count */ 67 ldlat_thrsh:4, /* 59-62: Load Latency threshold */ 68 ldlat_en:1; /* 63: Load Latency enabled */ 69 }; 70 }; 71 72 /* MSR 0xc0011035: IBS Op Data 1 */ 73 union ibs_op_data { 74 __u64 val; 75 struct { 76 __u64 comp_to_ret_ctr:16, /* 0-15: op completion to retire count */ 77 tag_to_ret_ctr:16, /* 15-31: op tag to retire count */ 78 reserved1:2, /* 32-33: reserved */ 79 op_return:1, /* 34: return op */ 80 op_brn_taken:1, /* 35: taken branch op */ 81 op_brn_misp:1, /* 36: mispredicted branch op */ 82 op_brn_ret:1, /* 37: branch op retired */ 83 op_rip_invalid:1, /* 38: RIP is invalid */ 84 op_brn_fuse:1, /* 39: fused branch op */ 85 op_microcode:1, /* 40: microcode op */ 86 reserved2:23; /* 41-63: reserved */ 87 }; 88 }; 89 90 /* MSR 0xc0011036: IBS Op Data 2 */ 91 union ibs_op_data2 { 92 __u64 val; 93 struct { 94 __u64 data_src_lo:3, /* 0-2: data source low */ 95 reserved0:1, /* 3: reserved */ 96 rmt_node:1, /* 4: destination node */ 97 cache_hit_st:1, /* 5: cache hit state */ 98 data_src_hi:2, /* 6-7: data source high */ 99 reserved1:56; /* 8-63: reserved */ 100 }; 101 }; 102 103 /* MSR 0xc0011037: IBS Op Data 3 */ 104 union ibs_op_data3 { 105 __u64 val; 106 struct { 107 __u64 ld_op:1, /* 0: load op */ 108 st_op:1, /* 1: store op */ 109 dc_l1tlb_miss:1, /* 2: data cache L1TLB miss */ 110 dc_l2tlb_miss:1, /* 3: data cache L2TLB hit in 2M page */ 111 dc_l1tlb_hit_2m:1, /* 4: data cache L1TLB hit in 2M page */ 112 dc_l1tlb_hit_1g:1, /* 5: data cache L1TLB hit in 1G page */ 113 dc_l2tlb_hit_2m:1, /* 6: data cache L2TLB hit in 2M page */ 114 dc_miss:1, /* 7: data cache miss */ 115 dc_mis_acc:1, /* 8: misaligned access */ 116 reserved:4, /* 9-12: reserved */ 117 dc_wc_mem_acc:1, /* 13: write combining memory access */ 118 dc_uc_mem_acc:1, /* 14: uncacheable memory access */ 119 dc_locked_op:1, /* 15: locked operation */ 120 dc_miss_no_mab_alloc:1, /* 16: DC miss with no MAB allocated */ 121 dc_lin_addr_valid:1, /* 17: data cache linear address valid */ 122 dc_phy_addr_valid:1, /* 18: data cache physical address valid */ 123 dc_l2_tlb_hit_1g:1, /* 19: data cache L2 hit in 1GB page */ 124 l2_miss:1, /* 20: L2 cache miss */ 125 sw_pf:1, /* 21: software prefetch */ 126 op_mem_width:4, /* 22-25: load/store size in bytes */ 127 op_dc_miss_open_mem_reqs:6, /* 26-31: outstanding mem reqs on DC fill */ 128 dc_miss_lat:16, /* 32-47: data cache miss latency */ 129 tlb_refill_lat:16; /* 48-63: L1 TLB refill latency */ 130 }; 131 }; 132 133 /* MSR 0xc001103c: IBS Fetch Control Extended */ 134 union ic_ibs_extd_ctl { 135 __u64 val; 136 struct { 137 __u64 itlb_refill_lat:16, /* 0-15: ITLB Refill latency for sampled fetch */ 138 reserved:48; /* 16-63: reserved */ 139 }; 140 }; 141 142 /* 143 * IBS driver related 144 */ 145 146 struct perf_ibs_data { 147 u32 size; 148 union { 149 u32 data[0]; /* data buffer starts here */ 150 u32 caps; 151 }; 152 u64 regs[MSR_AMD64_IBS_REG_COUNT_MAX]; 153 }; 154