linux-stable-rt/arch/powerpc/platforms/celleb/spu_priv1.c

/*
 * spu hypervisor abstraction for Beat
 *
 * (C) Copyright 2006-2007 TOSHIBA CORPORATION
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <linux/module.h>

#include <asm/types.h>
#include <asm/spu.h>
#include <asm/spu_priv1.h>

#include "beat_wrapper.h"

static inline void _int_mask_set(struct spu *spu, int class, u64 mask)
{
	spu->shadow_int_mask_RW[class] = mask;
	beat_set_irq_mask_for_spe(spu->spe_id, class, mask);
}

static inline u64 _int_mask_get(struct spu *spu, int class)
{
	return spu->shadow_int_mask_RW[class];
}

static void int_mask_set(struct spu *spu, int class, u64 mask)
{
	_int_mask_set(spu, class, mask);
}

static u64 int_mask_get(struct spu *spu, int class)
{
	return _int_mask_get(spu, class);
}

static void int_mask_and(struct spu *spu, int class, u64 mask)
{
	u64 old_mask;
	old_mask = _int_mask_get(spu, class);
	_int_mask_set(spu, class, old_mask & mask);
}

static void int_mask_or(struct spu *spu, int class, u64 mask)
{
	u64 old_mask;
	old_mask = _int_mask_get(spu, class);
	_int_mask_set(spu, class, old_mask | mask);
}

static void int_stat_clear(struct spu *spu, int class, u64 stat)
{
	beat_clear_interrupt_status_of_spe(spu->spe_id, class, stat);
}

static u64 int_stat_get(struct spu *spu, int class)
{
	u64 int_stat;
	beat_get_interrupt_status_of_spe(spu->spe_id, class, &int_stat);
	return int_stat;
}

static void cpu_affinity_set(struct spu *spu, int cpu)
{
	return;
}

static u64 mfc_dar_get(struct spu *spu)
{
	u64 dar;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_dar_RW), &dar);
	return dar;
}

static u64 mfc_dsisr_get(struct spu *spu)
{
	u64 dsisr;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_dsisr_RW), &dsisr);
	return dsisr;
}

static void mfc_dsisr_set(struct spu *spu, u64 dsisr)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_dsisr_RW), dsisr);
}

static void mfc_sdr_setup(struct spu *spu)
{
	return;
}

static void mfc_sr1_set(struct spu *spu, u64 sr1)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_sr1_RW), sr1);
}

static u64 mfc_sr1_get(struct spu *spu)
{
	u64 sr1;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_sr1_RW), &sr1);
	return sr1;
}

static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_tclass_id_RW), tclass_id);
}

static u64 mfc_tclass_id_get(struct spu *spu)
{
	u64 tclass_id;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, mfc_tclass_id_RW), &tclass_id);
	return tclass_id;
}

static void tlb_invalidate(struct spu *spu)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, tlb_invalidate_entry_W), 0ul);
}

static void resource_allocation_groupID_set(struct spu *spu, u64 id)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, resource_allocation_groupID_RW),
		id);
}

static u64 resource_allocation_groupID_get(struct spu *spu)
{
	u64 id;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, resource_allocation_groupID_RW),
		&id);
	return id;
}

static void resource_allocation_enable_set(struct spu *spu, u64 enable)
{
	beat_set_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, resource_allocation_enable_RW),
		enable);
}

static u64 resource_allocation_enable_get(struct spu *spu)
{
	u64 enable;
	beat_get_spe_privileged_state_1_registers(
		spu->spe_id,
		offsetof(struct spu_priv1, resource_allocation_enable_RW),
		&enable);
	return enable;
}

const struct spu_priv1_ops spu_priv1_beat_ops =
{
	.int_mask_and = int_mask_and,
	.int_mask_or = int_mask_or,
	.int_mask_set = int_mask_set,
	.int_mask_get = int_mask_get,
	.int_stat_clear = int_stat_clear,
	.int_stat_get = int_stat_get,
	.cpu_affinity_set = cpu_affinity_set,
	.mfc_dar_get = mfc_dar_get,
	.mfc_dsisr_get = mfc_dsisr_get,
	.mfc_dsisr_set = mfc_dsisr_set,
	.mfc_sdr_setup = mfc_sdr_setup,
	.mfc_sr1_set = mfc_sr1_set,
	.mfc_sr1_get = mfc_sr1_get,
	.mfc_tclass_id_set = mfc_tclass_id_set,
	.mfc_tclass_id_get = mfc_tclass_id_get,
	.tlb_invalidate = tlb_invalidate,
	.resource_allocation_groupID_set = resource_allocation_groupID_set,
	.resource_allocation_groupID_get = resource_allocation_groupID_get,
	.resource_allocation_enable_set = resource_allocation_enable_set,
	.resource_allocation_enable_get = resource_allocation_enable_get,
};