mirror of
git://nv-tegra.nvidia.com/linux-hwpm.git
synced 2025-12-22 17:30:40 +03:00
221e73d921
PMA memory buffer functions use linux specific APIs for dma management. In an effort to make HWPM driver OS agnostic, move the memory buffer functions to os/linux path. Jira THWPM-59 Change-Id: I3dbf577921faed579bbd9de3231b26a9acad28ba Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2738154 Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com> Reviewed-by: Vasuki Shankar <vasukis@nvidia.com> Reviewed-by: Seema Khowala <seemaj@nvidia.com> GVS: Gerrit_Virtual_Submit
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <soc/tegra/fuse.h>
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#include <linux/mm.h>
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#include <linux/vmalloc.h>
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#include <linux/kernel.h>
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#include <linux/uaccess.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/of_address.h>
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#include <linux/dma-buf.h>
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#include <uapi/linux/tegra-soc-hwpm-uapi.h>
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#include <tegra_hwpm.h>
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#include <tegra_hwpm_log.h>
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#include <tegra_hwpm_kmem.h>
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#include <tegra_hwpm_common.h>
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#include <tegra_hwpm_static_analysis.h>
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int tegra_hwpm_get_allowlist_size(struct tegra_soc_hwpm *hwpm)
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{
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int ret = 0;
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hwpm->full_alist_size = 0ULL;
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tegra_hwpm_fn(hwpm, " ");
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ret = tegra_hwpm_func_all_ip(hwpm, NULL, TEGRA_HWPM_GET_ALIST_SIZE);
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if (ret != 0) {
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tegra_hwpm_err(hwpm, "get_alist_size failed");
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return ret;
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}
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return 0;
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}
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int tegra_hwpm_combine_alist(struct tegra_soc_hwpm *hwpm, u64 *alist)
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{
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struct tegra_hwpm_func_args func_args;
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int err = 0;
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tegra_hwpm_fn(hwpm, " ");
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func_args.alist = alist;
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func_args.full_alist_idx = 0ULL;
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err = tegra_hwpm_func_all_ip(hwpm, &func_args,
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TEGRA_HWPM_COMBINE_ALIST);
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if (err != 0) {
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tegra_hwpm_err(hwpm, "combine alist failed");
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return err;
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}
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/* Check size of full alist with hwpm->full_alist_size*/
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if (func_args.full_alist_idx != hwpm->full_alist_size) {
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tegra_hwpm_err(hwpm, "full_alist_size 0x%llx doesn't match "
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"max full_alist_idx 0x%llx",
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hwpm->full_alist_size, func_args.full_alist_idx);
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err = -EINVAL;
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}
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return err;
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}
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