selftests/powerpc: Add header files for GZIP engine test

/* SPDX-License-Identifier: GPL-2.0-or-later */

#ifndef __CRB_H

#define __CRB_H

#include <linux/types.h>

#include "nx.h"

/* CCW 842 CI/FC masks

 * NX P8 workbook, section 4.3.1, figure 4-6

 * "CI/FC Boundary by NX CT type"

 */

#define CCW_CI_842              (0x00003ff8)

#define CCW_FC_842              (0x00000007)

/* Chapter 6.5.8 Coprocessor-Completion Block (CCB) */

#define CCB_VALUE		(0x3fffffffffffffff)

#define CCB_ADDRESS		(0xfffffffffffffff8)

#define CCB_CM			(0x0000000000000007)

#define CCB_CM0			(0x0000000000000004)

#define CCB_CM12		(0x0000000000000003)

#define CCB_CM0_ALL_COMPLETIONS	(0x0)

#define CCB_CM0_LAST_IN_CHAIN	(0x4)

#define CCB_CM12_STORE		(0x0)

#define CCB_CM12_INTERRUPT	(0x1)

#define CCB_SIZE		(0x10)

#define CCB_ALIGN		CCB_SIZE

struct coprocessor_completion_block {

	__be64 value;

	__be64 address;

} __aligned(CCB_ALIGN);

/* Chapter 6.5.7 Coprocessor-Status Block (CSB) */

#define CSB_V			(0x80)

#define CSB_F			(0x04)

#define CSB_CH			(0x03)

#define CSB_CE_INCOMPLETE	(0x80)

#define CSB_CE_TERMINATION	(0x40)

#define CSB_CE_TPBC		(0x20)

#define CSB_CC_SUCCESS		(0)

#define CSB_CC_INVALID_ALIGN	(1)

#define CSB_CC_OPERAND_OVERLAP	(2)

#define CSB_CC_DATA_LENGTH	(3)

#define CSB_CC_TRANSLATION	(5)

#define CSB_CC_PROTECTION	(6)

#define CSB_CC_RD_EXTERNAL	(7)

#define CSB_CC_INVALID_OPERAND	(8)

#define CSB_CC_PRIVILEGE	(9)

#define CSB_CC_INTERNAL		(10)

#define CSB_CC_WR_EXTERNAL	(12)

#define CSB_CC_NOSPC		(13)

#define CSB_CC_EXCESSIVE_DDE	(14)

#define CSB_CC_WR_TRANSLATION	(15)

#define CSB_CC_WR_PROTECTION	(16)

#define CSB_CC_UNKNOWN_CODE	(17)

#define CSB_CC_ABORT		(18)

#define CSB_CC_TRANSPORT	(20)

#define CSB_CC_SEGMENTED_DDL	(31)

#define CSB_CC_PROGRESS_POINT	(32)

#define CSB_CC_DDE_OVERFLOW	(33)

#define CSB_CC_SESSION		(34)

#define CSB_CC_PROVISION	(36)

#define CSB_CC_CHAIN		(37)

#define CSB_CC_SEQUENCE		(38)

#define CSB_CC_HW		(39)

#define CSB_SIZE		(0x10)

#define CSB_ALIGN		CSB_SIZE

struct coprocessor_status_block {

	__u8 flags;

	__u8 cs;

	__u8 cc;

	__u8 ce;

	__be32 count;

	__be64 address;

} __aligned(CSB_ALIGN);

/* Chapter 6.5.10 Data-Descriptor List (DDL)

 * each list contains one or more Data-Descriptor Entries (DDE)

 */

#define DDE_P			(0x8000)

#define DDE_SIZE		(0x10)

#define DDE_ALIGN		DDE_SIZE

struct data_descriptor_entry {

	__be16 flags;

	__u8 count;

	__u8 index;

	__be32 length;

	__be64 address;

} __aligned(DDE_ALIGN);

/* Chapter 6.5.2 Coprocessor-Request Block (CRB) */

#define CRB_SIZE		(0x80)

#define CRB_ALIGN		(0x100) /* Errata: requires 256 alignment */

/* Coprocessor Status Block field

 *   ADDRESS	address of CSB

 *   C		CCB is valid

 *   AT		0 = addrs are virtual, 1 = addrs are phys

 *   M		enable perf monitor

 */

#define CRB_CSB_ADDRESS		(0xfffffffffffffff0)

#define CRB_CSB_C		(0x0000000000000008)

#define CRB_CSB_AT		(0x0000000000000002)

#define CRB_CSB_M		(0x0000000000000001)

struct coprocessor_request_block {

	__be32 ccw;

	__be32 flags;

	__be64 csb_addr;

	struct data_descriptor_entry source;

	struct data_descriptor_entry target;

	struct coprocessor_completion_block ccb;

	__u8 reserved[48];

	struct coprocessor_status_block csb;

} __aligned(CRB_ALIGN);

#define crb_csb_addr(c)         __be64_to_cpu(c->csb_addr)

#define crb_nx_fault_addr(c)    __be64_to_cpu(c->stamp.nx.fault_storage_addr)

#define crb_nx_flags(c)         c->stamp.nx.flags

#define crb_nx_fault_status(c)  c->stamp.nx.fault_status

#define crb_nx_pswid(c)		c->stamp.nx.pswid

/* RFC02167 Initiate Coprocessor Instructions document

 * Chapter 8.2.1.1.1 RS

 * Chapter 8.2.3 Coprocessor Directive

 * Chapter 8.2.4 Execution

 *

 * The CCW must be converted to BE before passing to icswx()

 */

#define CCW_PS                  (0xff000000)

#define CCW_CT                  (0x00ff0000)

#define CCW_CD                  (0x0000ffff)

#define CCW_CL                  (0x0000c000)

#endif

/* SPDX-License-Identifier: GPL-2.0-or-later */

/*

 * Copyright 2020 IBM Corp.

 *

 */

#ifndef _NX_H

#define _NX_H

#include <stdbool.h>

#define	NX_FUNC_COMP_842	1

#define NX_FUNC_COMP_GZIP	2

#ifndef __aligned

#define __aligned(x)	__attribute__((aligned(x)))

#endif

struct nx842_func_args {

	bool use_crc;

	bool decompress;		/* true decompress; false compress */

	bool move_data;

	int timeout;			/* seconds */

};

struct nxbuf_t {

	int len;

	char *buf;

};

/* @function should be EFT (aka 842), GZIP etc */

void *nx_function_begin(int function, int pri);

int nx_function(void *handle, struct nxbuf_t *in, struct nxbuf_t *out,

		void *arg);

int nx_function_end(void *handle);

#endif	/* _NX_H */

../../../../../../arch/powerpc/include/uapi/asm/vas-api.h

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