path: root/arch/powerpc/platforms/ps3/repository.c

/*
 *  PS3 repository routines.
 *
 *  Copyright (C) 2006 Sony Computer Entertainment Inc.
 *  Copyright 2006 Sony Corp.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <asm/lv1call.h>

#include "platform.h"

enum ps3_vendor_id {
	PS3_VENDOR_ID_NONE = 0,
	PS3_VENDOR_ID_SONY = 0x8000000000000000UL,
};

enum ps3_lpar_id {
	PS3_LPAR_ID_CURRENT = 0,
	PS3_LPAR_ID_PME = 1,
};

#define dump_field(_a, _b) _dump_field(_a, _b, __func__, __LINE__)
static void _dump_field(const char *hdr, u64 n, const char* func, int line)
{
#if defined(DEBUG)
	char s[16];
	const char *const in = (const char *)&n;
	unsigned int i;

	for (i = 0; i < 8; i++)
		s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.';
	s[i] = 0;

	pr_debug("%s:%d: %s%016lx : %s\n", func, line, hdr, n, s);
#endif
}

#define dump_node_name(_a, _b, _c, _d, _e) \
	_dump_node_name(_a, _b, _c, _d, _e, __func__, __LINE__)
static void _dump_node_name (unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
	u64 n4, const char* func, int line)
{
	pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
	_dump_field("n1: ", n1, func, line);
	_dump_field("n2: ", n2, func, line);
	_dump_field("n3: ", n3, func, line);
	_dump_field("n4: ", n4, func, line);
}

#define dump_node(_a, _b, _c, _d, _e, _f, _g) \
	_dump_node(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)
static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
	u64 v1, u64 v2, const char* func, int line)
{
	pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
	_dump_field("n1: ", n1, func, line);
	_dump_field("n2: ", n2, func, line);
	_dump_field("n3: ", n3, func, line);
	_dump_field("n4: ", n4, func, line);
	pr_debug("%s:%d: v1: %016lx\n", func, line, v1);
	pr_debug("%s:%d: v2: %016lx\n", func, line, v2);
}

/**
 * make_first_field - Make the first field of a repository node name.
 * @text: Text portion of the field.
 * @index: Numeric index portion of the field.  Use zero for 'don't care'.
 *
 * This routine sets the vendor id to zero (non-vendor specific).
 * Returns field value.
 */

static u64 make_first_field(const char *text, u64 index)
{
	u64 n;

	strncpy((char *)&n, text, 8);
	return PS3_VENDOR_ID_NONE + (n >> 32) + index;
}

/**
 * make_field - Make subsequent fields of a repository node name.
 * @text: Text portion of the field.  Use "" for 'don't care'.
 * @index: Numeric index portion of the field.  Use zero for 'don't care'.
 *
 * Returns field value.
 */

static u64 make_field(const char *text, u64 index)
{
	u64 n;

	strncpy((char *)&n, text, 8);
	return n + index;
}

/**
 * read_node - Read a repository node from raw fields.
 * @n1: First field of node name.
 * @n2: Second field of node name.  Use zero for 'don't care'.
 * @n3: Third field of node name.  Use zero for 'don't care'.
 * @n4: Fourth field of node name.  Use zero for 'don't care'.
 * @v1: First repository value (high word).
 * @v2: Second repository value (low word).  Optional parameter, use zero
 *      for 'don't care'.
 */

static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
	u64 *_v1, u64 *