cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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irq_service.h (2445B)

      1/*
      2 * Copyright 2012-15 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: AMD
     23 *
     24 */
     25
     26#ifndef __DAL_IRQ_SERVICE_H__
     27#define __DAL_IRQ_SERVICE_H__
     28
     29#include "include/irq_service_interface.h"
     30
     31#include "irq_types.h"
     32
     33struct irq_service;
     34struct irq_source_info;
     35
     36struct irq_source_info_funcs {
     37	bool (*set)(
     38		struct irq_service *irq_service,
     39		const struct irq_source_info *info,
     40		bool enable);
     41	bool (*ack)(
     42		struct irq_service *irq_service,
     43		const struct irq_source_info *info);
     44};
     45
     46struct irq_source_info {
     47	uint32_t src_id;
     48	uint32_t ext_id;
     49	uint32_t enable_reg;
     50	uint32_t enable_mask;
     51	uint32_t enable_value[2];
     52	uint32_t ack_reg;
     53	uint32_t ack_mask;
     54	uint32_t ack_value;
     55	uint32_t status_reg;
     56	const struct irq_source_info_funcs *funcs;
     57};
     58
     59struct irq_service_funcs {
     60	enum dc_irq_source (*to_dal_irq_source)(
     61			struct irq_service *irq_service,
     62			uint32_t src_id,
     63			uint32_t ext_id);
     64};
     65
     66struct irq_service {
     67	struct dc_context *ctx;
     68	const struct irq_source_info *info;
     69	const struct irq_service_funcs *funcs;
     70};
     71
     72void dal_irq_service_construct(
     73	struct irq_service *irq_service,
     74	struct irq_service_init_data *init_data);
     75
     76void dal_irq_service_ack_generic(
     77	struct irq_service *irq_service,
     78	const struct irq_source_info *info);
     79
     80void dal_irq_service_set_generic(
     81	struct irq_service *irq_service,
     82	const struct irq_source_info *info,
     83	bool enable);
     84
     85#endif