/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*

 * This file contains functions that implement the cache menu commands.

 */

#include "global.h"

#include <sys/time.h>

#include <sys/resource.h>

#include <sys/wait.h>

#include <signal.h>

#include <string.h>

#include <sys/fcntl.h>

#include <sys/stat.h>

#include <sys/dklabel.h>

#include "main.h"

#include "analyze.h"

#include "menu.h"

#include "menu_cache.h"

#include "param.h"

#include "misc.h"

#include "label.h"

#include "startup.h"

#include "partition.h"

#include "prompts.h"

#include "io.h"

#include "ctlr_scsi.h"

#include "auto_sense.h"

#include "hardware_structs.h"

extern	struct menu_item menu_cache[];

extern	struct menu_item menu_write_cache[];

extern	struct menu_item menu_read_cache[];

int

c_cache()

{

	cur_menu++;

	last_menu = cur_menu;

	run_menu(menu_cache, "CACHE", "cache", 0);

	cur_menu--;

	return (0);

}

int

ca_write_cache()

{

	cur_menu++;

	last_menu = cur_menu;

	run_menu(menu_write_cache, "WRITE_CACHE", "write_cache", 0);

	cur_menu--;

	return (0);

}

int

ca_read_cache()

{

	cur_menu++;

	last_menu = cur_menu;

	run_menu(menu_read_cache, "READ_CACHE", "read_cache", 0);

	cur_menu--;

	return (0);

}

int

ca_write_display()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

			MODE_SENSE_PC_CURRENT, (caddr_t)page8,

			MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->wce) {

			fmt_print("Write Cache is enabled\n");

		} else {

			fmt_print("Write Cache is disabled\n");

		}

	} else {

		err_print("Mode sense failed.\n");

	}

	return (0);

}

int

ca_write_enable()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	int				length;

	int				sp_flags;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

			MODE_SENSE_PC_CHANGEABLE, (caddr_t)page8,

			MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->wce) {

			status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

				MODE_SENSE_PC_SAVED, (caddr_t)page8,

				MAX_MODE_SENSE_SIZE, &header);

			if (status != 0) {

				status = uscsi_mode_sense(cur_file,

				DAD_MODE_CACHE, MODE_SENSE_PC_CURRENT,

				(caddr_t)page8, MAX_MODE_SENSE_SIZE, &header);

			}

			if (status == 0) {

				length = MODESENSE_PAGE_LEN(page8);

				sp_flags = MODE_SELECT_PF;

				if (page8->mode_page.ps) {

					sp_flags |= MODE_SELECT_SP;

				} else {

					err_print("\

This setting is valid until next reset only. It is not saved permanently.\n");

				}

				page8->mode_page.ps = 0;

				page8->wce = 1;

				header.mode_header.length = 0;

				header.mode_header.device_specific = 0;

				status = uscsi_mode_select(cur_file,

					DAD_MODE_CACHE, sp_flags,

					(caddr_t)page8, length, &header);

				if (status != 0) {

					err_print("Mode select failed\n");

					return (0);

				}

			}

		} else {

			err_print("Write cache setting is not changeable\n");

		}

	}

	if (status != 0) {

		err_print("Mode sense failed.\n");

	}

	return (0);

}

int

ca_write_disable()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	int				length;

	int				sp_flags;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

			MODE_SENSE_PC_CHANGEABLE, (caddr_t)page8,

			MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->wce) {

			status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

				MODE_SENSE_PC_SAVED, (caddr_t)page8,

				MAX_MODE_SENSE_SIZE, &header);

			if (status != 0) {

				status = uscsi_mode_sense(cur_file,

				DAD_MODE_CACHE, MODE_SENSE_PC_CURRENT,

				(caddr_t)page8, MAX_MODE_SENSE_SIZE, &header);

			}

			if (status == 0) {

				length = MODESENSE_PAGE_LEN(page8);

				sp_flags = MODE_SELECT_PF;

				if (page8->mode_page.ps) {

					sp_flags |= MODE_SELECT_SP;

				} else {

					err_print("\

This setting is valid until next reset only. It is not saved permanently.\n");

				}

				page8->mode_page.ps = 0;

				page8->wce = 0;

				header.mode_header.length = 0;

				header.mode_header.device_specific = 0;

				status = uscsi_mode_select(cur_file,

					DAD_MODE_CACHE, sp_flags,

					(caddr_t)page8, length, &header);

				if (status != 0) {

					err_print("Mode select failed\n");

					return (0);

				}

			}

		} else {

			err_print("Write cache setting is not changeable\n");

		}

	}

	if (status != 0) {

		err_print("Mode sense failed.\n");

	}

	return (0);

}

int

ca_read_display()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

			MODE_SENSE_PC_CURRENT, (caddr_t)page8,

			MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->rcd) {

			fmt_print("Read Cache is disabled\n");

		} else {

			fmt_print("Read Cache is enabled\n");

		}

	} else {

		err_print("Mode sense failed.\n");

	}

	return (0);

}

int

ca_read_enable()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	int				length;

	int				sp_flags;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

			MODE_SENSE_PC_CHANGEABLE, (caddr_t)page8,

			MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->rcd) {

			status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

				MODE_SENSE_PC_SAVED, (caddr_t)page8,

				MAX_MODE_SENSE_SIZE, &header);

			if (status != 0) {

				status = uscsi_mode_sense(cur_file,

				DAD_MODE_CACHE, MODE_SENSE_PC_CURRENT,

				(caddr_t)page8, MAX_MODE_SENSE_SIZE, &header);

			}

			if (status == 0) {

				length = MODESENSE_PAGE_LEN(page8);

				sp_flags = MODE_SELECT_PF;

				if (page8->mode_page.ps) {

					sp_flags |= MODE_SELECT_SP;

				} else {

					err_print("\

This setting is valid until next reset only. It is not saved permanently.\n");

				}

				page8->mode_page.ps = 0;

				page8->rcd = 0;

				header.mode_header.length = 0;

				header.mode_header.device_specific = 0;

				status = uscsi_mode_select(cur_file,

					DAD_MODE_CACHE, sp_flags,

					(caddr_t)page8, length, &header);

				if (status != 0) {

					err_print("Mode select failed\n");

					return (0);

				}

			}

		} else {

			err_print("Read cache setting is not changeable\n");

		}

	}

	if (status != 0) {

		err_print("Mode sense failed.\n");

	}

	return (0);

}

int

ca_read_disable()

{

	struct mode_cache		*page8;

	struct scsi_ms_header		header;

	int				status;

	int				length;

	int				sp_flags;

	union {

		struct mode_cache	page8;

		char			rawbuf[MAX_MODE_SENSE_SIZE];

	} u_page8;

	page8 = &u_page8.page8;

	status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

		MODE_SENSE_PC_CHANGEABLE, (caddr_t)page8,

		MAX_MODE_SENSE_SIZE, &header);

	if (status == 0) {

		if (page8->rcd) {

			status = uscsi_mode_sense(cur_file, DAD_MODE_CACHE,

				MODE_SENSE_PC_SAVED, (caddr_t)page8,

				MAX_MODE_SENSE_SIZE, &header);

			if (status != 0) {

				status = uscsi_mode_sense(cur_file,

				DAD_MODE_CACHE, MODE_SENSE_PC_CURRENT,

				(caddr_t)page8, MAX_MODE_SENSE_SIZE, &header);

			}

			if (status == 0) {

				length = MODESENSE_PAGE_LEN(page8);

				sp_flags = MODE_SELECT_PF;

				if (page8->mode_page.ps) {

					sp_flags |= MODE_SELECT_SP;

				} else {

					err_print("\

This setting is valid until next reset only. It is not saved permanently.\n");

				}

				page8->mode_page.ps = 0;

				page8->rcd = 1;

				header.mode_header.length = 0;

				header.mode_header.device_specific = 0;

				status = uscsi_mode_select(cur_file,

					DAD_MODE_CACHE, sp_flags,

					(caddr_t)page8, length, &header);

				if (status != 0) {

					err_print("Mode select failed\n");

					return (0);

				}

			}

		} else {

			err_print("Read cache setting is not changeable\n");

		}

	}

	if (status != 0) {

		err_print("Mode sense failed.\n");

	}

	return (0);

}