/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_AMD_IBS_H #define _ASM_X86_AMD_IBS_H /* * From PPR Vol 1 for AMD Family 19h Model 01h B1 * 55898 Rev 0.35 - Feb 5, 2021 */ #include "../msr-index.h" /* IBS_OP_DATA2 DataSrc */ #define IBS_DATA_SRC_LOC_CACHE 2 #define IBS_DATA_SRC_DRAM 3 #define IBS_DATA_SRC_REM_CACHE 4 #define IBS_DATA_SRC_IO 7 /* IBS_OP_DATA2 DataSrc Extension */ #define IBS_DATA_SRC_EXT_LOC_CACHE 1 #define IBS_DATA_SRC_EXT_NEAR_CCX_CACHE 2 #define IBS_DATA_SRC_EXT_DRAM 3 #define IBS_DATA_SRC_EXT_FAR_CCX_CACHE 5 #define IBS_DATA_SRC_EXT_PMEM 6 #define IBS_DATA_SRC_EXT_IO 7 #define IBS_DATA_SRC_EXT_EXT_MEM 8 #define IBS_DATA_SRC_EXT_PEER_AGENT_MEM 12 /* * IBS Hardware MSRs */ /* MSR 0xc0011030: IBS Fetch Control */ union ibs_fetch_ctl { __u64 val; struct { __u64 fetch_maxcnt:16,/* 0-15: instruction fetch max. count */ fetch_cnt:16, /* 16-31: instruction fetch count */ fetch_lat:16, /* 32-47: instruction fetch latency */ fetch_en:1, /* 48: instruction fetch enable */ fetch_val:1, /* 49: instruction fetch valid */ fetch_comp:1, /* 50: instruction fetch complete */ ic_miss:1, /* 51: i-cache miss */ phy_addr_valid:1,/* 52: physical address valid */ l1tlb_pgsz:2, /* 53-54: i-cache L1TLB page size * (needs IbsPhyAddrValid) */ l1tlb_miss:1, /* 55: i-cache fetch missed in L1TLB */ l2tlb_miss:1, /* 56: i-cache fetch missed in L2TLB */ rand_en:1, /* 57: random tagging enable */ fetch_l2_miss:1,/* 58: L2 miss for sampled fetch * (needs IbsFetchComp) */ l3_miss_only:1, /* 59: Collect L3 miss samples only */ fetch_oc_miss:1,/* 60: Op cache miss for the sampled fetch */ fetch_l3_miss:1,/* 61: L3 cache miss for the sampled fetch */ reserved:2; /* 62-63: reserved */ }; }; /* MSR 0xc0011033: IBS Execution Control */ union ibs_op_ctl { __u64 val; struct { __u64 opmaxcnt:16, /* 0-15: periodic op max. count */ l3_miss_only:1, /* 16: Collect L3 miss samples only */ op_en:1, /* 17: op sampling enable */ op_val:1, /* 18: op sample valid */ cnt_ctl:1, /* 19: periodic op counter control */ opmaxcnt_ext:7, /* 20-26: upper 7 bits of periodic op maximum count */ reserved0:5, /* 27-31: reserved */ opcurcnt:27, /* 32-58: periodic op counter current count */ ldlat_thrsh:4, /* 59-62: Load Latency threshold */ ldlat_en:1; /* 63: Load Latency enabled */ }; }; /* MSR 0xc0011035: IBS Op Data 1 */ union ibs_op_data { __u64 val; struct { __u64 comp_to_ret_ctr:16, /* 0-15: op completion to retire count */ tag_to_ret_ctr:16, /* 15-31: op tag to retire count */ reserved1:2, /* 32-33: reserved */ op_return:1, /* 34: return op */ op_brn_taken:1, /* 35: taken branch op */ op_brn_misp:1, /* 36: mispredicted branch op */ op_brn_ret:1, /* 37: branch op retired */ op_rip_invalid:1, /* 38: RIP is invalid */ op_brn_fuse:1, /* 39: fused branch op */ op_microcode:1, /* 40: microcode op */ reserved2:23; /* 41-63: reserved */ }; }; /* MSR 0xc0011036: IBS Op Data 2 */ union ibs_op_data2 { __u64 val; struct { __u64 data_src_lo:3, /* 0-2: data source low */ reserved0:1, /* 3: reserved */ rmt_node:1, /* 4: destination node */ cache_hit_st:1, /* 5: cache hit state */ data_src_hi:2, /* 6-7: data source high */ reserved1:56; /* 8-63: reserved */ }; }; /* MSR 0xc0011037: IBS Op Data 3 */ union ibs_op_data3 { __u64 val; struct { __u64 ld_op:1, /* 0: load op */ st_op:1, /* 1: store op */ dc_l1tlb_miss:1, /* 2: data cache L1TLB miss */ dc_l2tlb_miss:1, /* 3: data cache L2TLB miss in 2M page */ dc_l1tlb_hit_2m:1, /* 4: data cache L1TLB hit in 2M page */ dc_l1tlb_hit_1g:1, /* 5: data cache L1TLB hit in 1G page */ dc_l2tlb_hit_2m:1, /* 6: data cache L2TLB hit in 2M page */ dc_miss:1, /* 7: data cache miss */ dc_mis_acc:1, /* 8: misaligned access */ reserved:4, /* 9-12: reserved */ dc_wc_mem_acc:1, /* 13: write combining memory access */ dc_uc_mem_acc:1, /* 14: uncacheable memory access */ dc_locked_op:1, /* 15: locked operation */ dc_miss_no_mab_alloc:1, /* 16: DC miss with no MAB allocated */ dc_lin_addr_valid:1, /* 17: data cache linear address valid */ dc_phy_addr_valid:1, /* 18: data cache physical address valid */ dc_l2_tlb_hit_1g:1, /* 19: data cache L2 hit in 1GB page */ l2_miss:1, /* 20: L2 cache miss */ sw_pf:1, /* 21: software prefetch */ op_mem_width:4, /* 22-25: load/store size in bytes */ op_dc_miss_open_mem_reqs:6, /* 26-31: outstanding mem reqs on DC fill */ dc_miss_lat:16, /* 32-47: data cache miss latency */ tlb_refill_lat:16; /* 48-63: L1 TLB refill latency */ }; }; /* MSR 0xc001103c: IBS Fetch Control Extended */ union ic_ibs_extd_ctl { __u64 val; struct { __u64 itlb_refill_lat:16, /* 0-15: ITLB Refill latency for sampled fetch */ reserved:48; /* 16-63: reserved */ }; }; /* * IBS driver related */ struct perf_ibs_data { u32 size; union { u32 data[0]; /* data buffer starts here */ u32 caps; }; u64 regs[MSR_AMD64_IBS_REG_COUNT_MAX]; }; #endif /* _ASM_X86_AMD_IBS_H */
