[xeon-phi-kernel-module] / include / mic / micpsmi.h

/*
 * Copyright 2010-2017 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * Disclaimer: The codes contained in these modules may be specific to
 * the Intel Software Development Platform codenamed Knights Ferry,
 * and the Intel product codenamed Knights Corner, and are not backward
 * compatible with other Intel products. Additionally, Intel will NOT
 * support the codes or instruction set in future products.
 *
 * Intel offers no warranty of any kind regarding the code. This code is
 * licensed on an "AS IS" basis and Intel is not obligated to provide
 * any support, assistance, installation, training, or other services
 * of any kind. Intel is also not obligated to provide any updates,
 * enhancements or extensions. Intel specifically disclaims any warranty
 * of merchantability, non-infringement, fitness for any particular
 * purpose, and any other warranty.
 *
 * Further, Intel disclaims all liability of any kind, including but
 * not limited to liability for infringement of any proprietary rights,
 * relating to the use of the code, even if Intel is notified of the
 * possibility of such liability. Except as expressly stated in an Intel
 * license agreement provided with this code and agreed upon with Intel,
 * no license, express or implied, by estoppel or otherwise, to any
 * intellectual property rights is granted herein.
 */

#ifndef _MIC_PSMI_H
#define _MIC_PSMI_H

struct mic_psmi_pte {
	uint64_t pa;
};

struct mic_psmi_ctx
{
	unsigned char 		enabled;

	struct mic_psmi_pte	*dma_tbl;
	int 			dma_tbl_size;
	dma_addr_t 	dma_tbl_hndl;
	uint64_t		dma_mem_size;
	int 			nr_dma_pages;

	struct mic_psmi_pte 	*va_tbl;
};

#define MIC_PSMI_PAGE_ORDER (7)
#define MIC_PSMI_PAGE_SIZE (PAGE_SIZE << MIC_PSMI_PAGE_ORDER)
#define MIC_PSMI_SIGNATURE 0x4B434F52494D5350L

int mic_psmi_open(struct file *filp);

#endif /* _MIC_PSMI_H */
Commit	Line	Data
800f879a AT	1	/*
	2	* Copyright 2010-2017 Intel Corporation.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License, version 2,
	6	* as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	11	* General Public License for more details.
	12	*
	13	* Disclaimer: The codes contained in these modules may be specific to
	14	* the Intel Software Development Platform codenamed Knights Ferry,
	15	* and the Intel product codenamed Knights Corner, and are not backward
	16	* compatible with other Intel products. Additionally, Intel will NOT
	17	* support the codes or instruction set in future products.
	18	*
	19	* Intel offers no warranty of any kind regarding the code. This code is
	20	* licensed on an "AS IS" basis and Intel is not obligated to provide
	21	* any support, assistance, installation, training, or other services
	22	* of any kind. Intel is also not obligated to provide any updates,
	23	* enhancements or extensions. Intel specifically disclaims any warranty
	24	* of merchantability, non-infringement, fitness for any particular
	25	* purpose, and any other warranty.
	26	*
	27	* Further, Intel disclaims all liability of any kind, including but
	28	* not limited to liability for infringement of any proprietary rights,
	29	* relating to the use of the code, even if Intel is notified of the
	30	* possibility of such liability. Except as expressly stated in an Intel
	31	* license agreement provided with this code and agreed upon with Intel,
	32	* no license, express or implied, by estoppel or otherwise, to any
	33	* intellectual property rights is granted herein.
	34	*/
	35
	36	#ifndef _MIC_PSMI_H
	37	#define _MIC_PSMI_H
	38
	39	struct mic_psmi_pte {
	40	uint64_t pa;
	41	};
	42
	43	struct mic_psmi_ctx
	44	{
	45	unsigned char enabled;
	46
	47	struct mic_psmi_pte *dma_tbl;
	48	int dma_tbl_size;
	49	dma_addr_t dma_tbl_hndl;
	50	uint64_t dma_mem_size;
	51	int nr_dma_pages;
	52
	53	struct mic_psmi_pte *va_tbl;
	54	};
	55
	56	#define MIC_PSMI_PAGE_ORDER (7)
	57	#define MIC_PSMI_PAGE_SIZE (PAGE_SIZE << MIC_PSMI_PAGE_ORDER)
	58	#define MIC_PSMI_SIGNATURE 0x4B434F52494D5350L
	59
	60	int mic_psmi_open(struct file *filp);
	61
	62	#endif /* _MIC_PSMI_H */