perf/x86/intel/uncore: Add Sapphire Rapids server framework

[linux-2.6-microblaze.git] / arch / x86 / events / intel / uncore.c

diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 9bf4dbb..b941cee 100644 (file)
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -865,9 +865,13 @@ static void uncore_get_pmu_name(struct intel_uncore_pmu *pmu)
                        sprintf(pmu->name, "uncore_%s", type->name);
                else
                        sprintf(pmu->name, "uncore");
-       } else
-               sprintf(pmu->name, "uncore_%s_%d", type->name, pmu->pmu_idx);
-
+       } else {
+               /*
+                * Use the box ID from the discovery table if applicable.
+                */
+               sprintf(pmu->name, "uncore_%s_%d", type->name,
+                       type->box_ids ? type->box_ids[pmu->pmu_idx] : pmu->pmu_idx);
+       }
 }
 
 static int uncore_pmu_register(struct intel_uncore_pmu *pmu)
@@ -1663,6 +1667,7 @@ struct intel_uncore_init_fun {
        void    (*cpu_init)(void);
        int     (*pci_init)(void);
        void    (*mmio_init)(void);
+       bool    use_discovery;
 };
 
 static const struct intel_uncore_init_fun nhm_uncore_init __initconst = {
@@ -1765,6 +1770,13 @@ static const struct intel_uncore_init_fun snr_uncore_init __initconst = {
        .mmio_init = snr_uncore_mmio_init,
 };
 
+static const struct intel_uncore_init_fun spr_uncore_init __initconst = {
+       .cpu_init = spr_uncore_cpu_init,
+       .pci_init = spr_uncore_pci_init,
+       .mmio_init = spr_uncore_mmio_init,
+       .use_discovery = true,
+};
+
 static const struct intel_uncore_init_fun generic_uncore_init __initconst = {
        .cpu_init = intel_uncore_generic_uncore_cpu_init,
        .pci_init = intel_uncore_generic_uncore_pci_init,
@@ -1809,6 +1821,7 @@ static const struct x86_cpu_id intel_uncore_match[] __initconst = {
        X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE,          &rkl_uncore_init),
        X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE,           &adl_uncore_init),
        X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L,         &adl_uncore_init),
+       X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X,    &spr_uncore_init),
        X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D,      &snr_uncore_init),
        {},
 };
@@ -1832,8 +1845,13 @@ static int __init intel_uncore_init(void)
                        uncore_init = (struct intel_uncore_init_fun *)&generic_uncore_init;
                else
                        return -ENODEV;
-       } else
+       } else {
                uncore_init = (struct intel_uncore_init_fun *)id->driver_data;
+               if (uncore_no_discover && uncore_init->use_discovery)
+                       return -ENODEV;
+               if (uncore_init->use_discovery && !intel_uncore_has_discovery_tables())
+                       return -ENODEV;
+       }
 
        if (uncore_init->pci_init) {
                pret = uncore_init->pci_init();