diff options
Diffstat (limited to 'drivers/perf/arm_cspmu/nvidia_cspmu.c')
| -rw-r--r-- | drivers/perf/arm_cspmu/nvidia_cspmu.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c index 72ef80caa3c8..0382b702f092 100644 --- a/drivers/perf/arm_cspmu/nvidia_cspmu.c +++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c @@ -1,14 +1,15 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. + * Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. * */ /* Support for NVIDIA specific attributes. */ +#include <linux/module.h> #include <linux/topology.h> -#include "nvidia_cspmu.h" +#include "arm_cspmu.h" #define NV_PCIE_PORT_COUNT 10ULL #define NV_PCIE_FILTER_ID_MASK GENMASK_ULL(NV_PCIE_PORT_COUNT - 1, 0) @@ -351,7 +352,7 @@ static char *nv_cspmu_format_name(const struct arm_cspmu *cspmu, return name; } -int nv_cspmu_init_ops(struct arm_cspmu *cspmu) +static int nv_cspmu_init_ops(struct arm_cspmu *cspmu) { u32 prodid; struct nv_cspmu_ctx *ctx; @@ -395,6 +396,31 @@ int nv_cspmu_init_ops(struct arm_cspmu *cspmu) return 0; } -EXPORT_SYMBOL_GPL(nv_cspmu_init_ops); + +/* Match all NVIDIA Coresight PMU devices */ +static const struct arm_cspmu_impl_match nv_cspmu_param = { + .pmiidr_val = ARM_CSPMU_IMPL_ID_NVIDIA, + .module = THIS_MODULE, + .impl_init_ops = nv_cspmu_init_ops +}; + +static int __init nvidia_cspmu_init(void) +{ + int ret; + + ret = arm_cspmu_impl_register(&nv_cspmu_param); + if (ret) + pr_err("nvidia_cspmu backend registration error: %d\n", ret); + + return ret; +} + +static void __exit nvidia_cspmu_exit(void) +{ + arm_cspmu_impl_unregister(&nv_cspmu_param); +} + +module_init(nvidia_cspmu_init); +module_exit(nvidia_cspmu_exit); MODULE_LICENSE("GPL v2"); |