[POWERPC] cell: abstract spu management routines (e28b0031) · Commits · 戴 / test

arch/powerpc/platforms/cell/cbe_thermal.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@
		#include <asm/prom.h>

		#include "cbe_regs.h"
		#include "spu_priv1_mmio.h"

		static struct cbe_pmd_regs __iomem get_pmd_regs(struct sys_device sysdev)
		{
		@@ -36,7 +37,7 @@ static struct cbe_pmd_regs __iomem get_pmd_regs(struct sys_device sysdev)

		spu = container_of(sysdev, struct spu, sysdev);

		return cbe_get_pmd_regs(spu->devnode);
		return cbe_get_pmd_regs(spu_devnode(spu));
		}

		/* returns the value for a given spu in a given register */
		@@ -49,7 +50,7 @@ static u8 spu_read_register_value(struct sys_device *sysdev, union spe_reg __iom
		/* getting the id from the reg attribute will not work on future device-tree layouts
		* in future we should store the id to the spu struct and use it here */
		spu = container_of(sysdev, struct spu, sysdev);
		id = (unsigned int *)get_property(spu->devnode, "reg", NULL);
		id = (unsigned int *)get_property(spu_devnode(spu), "reg", NULL);
		value.val = in_be64(&reg->val);

		return value.spe[*id];

arch/powerpc/platforms/cell/setup.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -146,6 +146,7 @@ static void __init cell_setup_arch(void)
		{
		#ifdef CONFIG_SPU_BASE
		spu_priv1_ops = &spu_priv1_mmio_ops;
		spu_management_ops = &spu_management_of_ops;
		#endif

		cbe_regs_init();

arch/powerpc/platforms/cell/spu_base.c

+22 −312

Original line number	Diff line number	Diff line
		@@ -25,23 +25,17 @@
		#include <linux/interrupt.h>
		#include <linux/list.h>
		#include <linux/module.h>
		#include <linux/pci.h>
		#include <linux/poll.h>
		#include <linux/ptrace.h>
		#include <linux/slab.h>
		#include <linux/wait.h>

		#include <asm/firmware.h>
		#include <asm/io.h>
		#include <asm/prom.h>
		#include <linux/mm.h>
		#include <linux/io.h>
		#include <linux/mutex.h>
		#include <asm/spu.h>
		#include <asm/spu_priv1.h>
		#include <asm/mmu_context.h>
		#include <asm/xmon.h>

		#include "interrupt.h"

		const struct spu_management_ops *spu_management_ops;
		const struct spu_priv1_ops *spu_priv1_ops;

		EXPORT_SYMBOL_GPL(spu_priv1_ops);
		@@ -512,261 +506,6 @@ int spu_irq_class_1_bottom(struct spu *spu)
		return ret;
		}

		static int __init find_spu_node_id(struct device_node *spe)
		{
		const unsigned int *id;
		struct device_node *cpu;
		cpu = spe->parent->parent;
		id = get_property(cpu, "node-id", NULL);
		return id ? *id : 0;
		}

		static int __init cell_spuprop_present(struct spu spu, struct device_node spe,
		const char *prop)
		{
		static DEFINE_MUTEX(add_spumem_mutex);

		const struct address_prop {
		unsigned long address;
		unsigned int len;
		} __attribute__((packed)) *p;
		int proplen;

		unsigned long start_pfn, nr_pages;
		struct pglist_data *pgdata;
		struct zone *zone;
		int ret;

		p = get_property(spe, prop, &proplen);
		WARN_ON(proplen != sizeof (*p));

		start_pfn = p->address >> PAGE_SHIFT;
		nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;

		pgdata = NODE_DATA(spu->nid);
		zone = pgdata->node_zones;

		/* XXX rethink locking here */
		mutex_lock(&add_spumem_mutex);
		ret = __add_pages(zone, start_pfn, nr_pages);
		mutex_unlock(&add_spumem_mutex);

		return ret;
		}

		static void __iomem * __init map_spe_prop(struct spu *spu,
		struct device_node n, const char name)
		{
		const struct address_prop {
		unsigned long address;
		unsigned int len;
		} __attribute__((packed)) *prop;

		const void *p;
		int proplen;
		void __iomem *ret = NULL;
		int err = 0;

		p = get_property(n, name, &proplen);
		if (proplen != sizeof (struct address_prop))
		return NULL;

		prop = p;

		err = cell_spuprop_present(spu, n, name);
		if (err && (err != -EEXIST))
		goto out;

		ret = ioremap(prop->address, prop->len);

		out:
		return ret;
		}

		static void spu_unmap(struct spu *spu)
		{
		iounmap(spu->priv2);
		iounmap(spu->priv1);
		iounmap(spu->problem);
		iounmap((__force u8 __iomem *)spu->local_store);
		}

		/* This function shall be abstracted for HV platforms */
		static int __init spu_map_interrupts_old(struct spu spu, struct device_node np)
		{
		unsigned int isrc;
		const u32 *tmp;

		/* Get the interrupt source unit from the device-tree */
		tmp = get_property(np, "isrc", NULL);
		if (!tmp)
		return -ENODEV;
		isrc = tmp[0];

		/* Add the node number */
		isrc \|= spu->node << IIC_IRQ_NODE_SHIFT;

		/* Now map interrupts of all 3 classes */
		spu->irqs[0] = irq_create_mapping(NULL, IIC_IRQ_CLASS_0 \| isrc);
		spu->irqs[1] = irq_create_mapping(NULL, IIC_IRQ_CLASS_1 \| isrc);
		spu->irqs[2] = irq_create_mapping(NULL, IIC_IRQ_CLASS_2 \| isrc);

		/* Right now, we only fail if class 2 failed */
		return spu->irqs[2] == NO_IRQ ? -EINVAL : 0;
		}

		static int __init spu_map_device_old(struct spu spu, struct device_node node)
		{
		const char *prop;
		int ret;

		ret = -ENODEV;
		spu->name = get_property(node, "name", NULL);
		if (!spu->name)
		goto out;

		prop = get_property(node, "local-store", NULL);
		if (!prop)
		goto out;
		spu->local_store_phys = (unsigned long )prop;

		/* we use local store as ram, not io memory */
		spu->local_store = (void __force *)
		map_spe_prop(spu, node, "local-store");
		if (!spu->local_store)
		goto out;

		prop = get_property(node, "problem", NULL);
		if (!prop)
		goto out_unmap;
		spu->problem_phys = (unsigned long )prop;

		spu->problem= map_spe_prop(spu, node, "problem");
		if (!spu->problem)
		goto out_unmap;

		spu->priv1= map_spe_prop(spu, node, "priv1");
		/* priv1 is not available on a hypervisor */

		spu->priv2= map_spe_prop(spu, node, "priv2");
		if (!spu->priv2)
		goto out_unmap;
		ret = 0;
		goto out;

		out_unmap:
		spu_unmap(spu);
		out:
		return ret;
		}

		static int __init spu_map_interrupts(struct spu spu, struct device_node np)
		{
		struct of_irq oirq;
		int ret;
		int i;

		for (i=0; i < 3; i++) {
		ret = of_irq_map_one(np, i, &oirq);
		if (ret) {
		pr_debug("spu_new: failed to get irq %d\n", i);
		goto err;
		}
		ret = -EINVAL;
		pr_debug(" irq %d no 0x%x on %s\n", i, oirq.specifier[0],
		oirq.controller->full_name);
		spu->irqs[i] = irq_create_of_mapping(oirq.controller,
		oirq.specifier, oirq.size);
		if (spu->irqs[i] == NO_IRQ) {
		pr_debug("spu_new: failed to map it !\n");
		goto err;
		}
		}
		return 0;

		err:
		pr_debug("failed to map irq %x for spu %s\n", *oirq.specifier, spu->name);
		for (; i >= 0; i--) {
		if (spu->irqs[i] != NO_IRQ)
		irq_dispose_mapping(spu->irqs[i]);
		}
		return ret;
		}

		static int spu_map_resource(struct device_node *node, int nr,
		void __iomem** virt, unsigned long *phys)
		{
		struct resource resource = { };
		int ret;

		ret = of_address_to_resource(node, nr, &resource);
		if (ret)
		goto out;

		if (phys)
		*phys = resource.start;
		*virt = ioremap(resource.start, resource.end - resource.start);
		if (!*virt)
		ret = -EINVAL;

		out:
		return ret;
		}

		static int __init spu_map_device(struct spu spu, struct device_node node)
		{
		int ret = -ENODEV;
		spu->name = get_property(node, "name", NULL);
		if (!spu->name)
		goto out;

		ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
		&spu->local_store_phys);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 0\n",
		node->full_name);
		goto out;
		}
		ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
		&spu->problem_phys);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 1\n",
		node->full_name);
		goto out_unmap;
		}
		ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
		NULL);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 2\n",
		node->full_name);
		goto out_unmap;
		}

		if (!firmware_has_feature(FW_FEATURE_LPAR))
		ret = spu_map_resource(node, 3, (void __iomem**)&spu->priv1,
		NULL);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 3\n",
		node->full_name);
		goto out_unmap;
		}
		pr_debug("spu_new: %s maps:\n", node->full_name);
		pr_debug(" local store : 0x%016lx -> 0x%p\n",
		spu->local_store_phys, spu->local_store);
		pr_debug(" problem state : 0x%016lx -> 0x%p\n",
		spu->problem_phys, spu->problem);
		pr_debug(" priv2 : 0x%p\n", spu->priv2);
		pr_debug(" priv1 : 0x%p\n", spu->priv1);

		return 0;

		out_unmap:
		spu_unmap(spu);
		out:
		pr_debug("failed to map spe %s: %d\n", spu->name, ret);
		return ret;
		}

		struct sysdev_class spu_sysdev_class = {
		set_kset_name("spu")
		};
		@@ -846,7 +585,7 @@ static void spu_destroy_sysdev(struct spu *spu)
		sysdev_unregister(&spu->sysdev);
		}

		static int __init create_spu(struct device_node *spe)
		static int __init create_spu(void *data)
		{
		struct spu *spu;
		int ret;
		@@ -857,60 +596,37 @@ static int __init create_spu(struct device_node *spe)
		if (!spu)
		goto out;

		spu->node = find_spu_node_id(spe);
		if (spu->node >= MAX_NUMNODES) {
		printk(KERN_WARNING "SPE %s on node %d ignored,"
		" node number too big\n", spe->full_name, spu->node);
		printk(KERN_WARNING "Check if CONFIG_NUMA is enabled.\n");
		return -ENODEV;
		}
		spu->nid = of_node_to_nid(spe);
		if (spu->nid == -1)
		spu->nid = 0;
		spin_lock_init(&spu->register_lock);
		mutex_lock(&spu_mutex);
		spu->number = number++;
		mutex_unlock(&spu_mutex);

		ret = spu_create_spu(spu, data);

		ret = spu_map_device(spu, spe);
		/* try old method */
		if (ret)
		ret = spu_map_device_old(spu, spe);
		if (ret)
		goto out_free;

		ret = spu_map_interrupts(spu, spe);
		if (ret)
		ret = spu_map_interrupts_old(spu, spe);
		if (ret)
		goto out_unmap;
		spin_lock_init(&spu->register_lock);
		spu_mfc_sdr_setup(spu);
		spu_mfc_sr1_set(spu, 0x33);
		mutex_lock(&spu_mutex);

		spu->number = number++;
		ret = spu_request_irqs(spu);
		if (ret)
		goto out_unlock;
		goto out_destroy;

		ret = spu_create_sysdev(spu);
		if (ret)
		goto out_free_irqs;

		mutex_lock(&spu_mutex);
		list_add(&spu->list, &spu_list[spu->node]);
		list_add(&spu->full_list, &spu_full_list);
		spu->devnode = of_node_get(spe);

		mutex_unlock(&spu_mutex);

		pr_debug(KERN_DEBUG "Using SPE %s %p %p %p %p %d\n",
		spu->name, spu->local_store,
		spu->problem, spu->priv1, spu->priv2, spu->number);
		goto out;

		out_free_irqs:
		spu_free_irqs(spu);
		out_unlock:
		mutex_unlock(&spu_mutex);
		out_unmap:
		spu_unmap(spu);
		out_destroy:
		spu_destroy_spu(spu);
		out_free:
		kfree(spu);
		out:
		@@ -922,11 +638,9 @@ static void destroy_spu(struct spu *spu)
		list_del_init(&spu->list);
		list_del_init(&spu->full_list);

		of_node_put(spu->devnode);

		spu_destroy_sysdev(spu);
		spu_free_irqs(spu);
		spu_unmap(spu);
		spu_destroy_spu(spu);
		kfree(spu);
		}

		@@ -947,7 +661,6 @@ module_exit(cleanup_spu_base);

		static int __init init_spu_base(void)
		{
		struct device_node *node;
		int i, ret;

		/* create sysdev class for spus */
		@@ -958,16 +671,13 @@ static int __init init_spu_base(void)
		for (i = 0; i < MAX_NUMNODES; i++)
		INIT_LIST_HEAD(&spu_list[i]);

		ret = -ENODEV;
		for (node = of_find_node_by_type(NULL, "spe");
		node; node = of_find_node_by_type(node, "spe")) {
		ret = create_spu(node);
		ret = spu_enumerate_spus(create_spu);

		if (ret) {
		printk(KERN_WARNING "%s: Error initializing %s\n",
		__FUNCTION__, node->name);
		printk(KERN_WARNING "%s: Error initializing spus\n",
		__FUNCTION__);
		cleanup_spu_base();
		break;
		}
		return ret;
		}

		xmon_register_spus(&spu_full_list);

arch/powerpc/platforms/cell/spu_priv1_mmio.c

+401 −23

Original line number	Diff line number	Diff line
		@@ -18,120 +18,498 @@
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#include <linux/interrupt.h>
		#include <linux/list.h>
		#include <linux/module.h>
		#include <linux/ptrace.h>
		#include <linux/slab.h>
		#include <linux/wait.h>
		#include <linux/mm.h>
		#include <linux/io.h>
		#include <linux/mutex.h>
		#include <linux/device.h>

		#include <asm/io.h>
		#include <asm/spu.h>
		#include <asm/spu_priv1.h>
		#include <asm/firmware.h>
		#include <asm/prom.h>

		#include "interrupt.h"
		#include "spu_priv1_mmio.h"

		struct spu_pdata {
		int nid;
		struct device_node *devnode;
		struct spu_priv1 __iomem *priv1;
		};

		static struct spu_pdata spu_get_pdata(struct spu spu)
		{
		BUG_ON(!spu->pdata);
		return spu->pdata;
		}

		struct device_node spu_devnode(struct spu spu)
		{
		return spu_get_pdata(spu)->devnode;
		}

		EXPORT_SYMBOL_GPL(spu_devnode);

		static int __init find_spu_node_id(struct device_node *spe)
		{
		const unsigned int *id;
		struct device_node *cpu;
		cpu = spe->parent->parent;
		id = get_property(cpu, "node-id", NULL);
		return id ? *id : 0;
		}

		static int __init cell_spuprop_present(struct spu spu, struct device_node spe,
		const char *prop)
		{
		static DEFINE_MUTEX(add_spumem_mutex);

		const struct address_prop {
		unsigned long address;
		unsigned int len;
		} __attribute__((packed)) *p;
		int proplen;

		unsigned long start_pfn, nr_pages;
		struct pglist_data *pgdata;
		struct zone *zone;
		int ret;

		p = get_property(spe, prop, &proplen);
		WARN_ON(proplen != sizeof (*p));

		start_pfn = p->address >> PAGE_SHIFT;
		nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;

		pgdata = NODE_DATA(spu_get_pdata(spu)->nid);
		zone = pgdata->node_zones;

		/* XXX rethink locking here */
		mutex_lock(&add_spumem_mutex);
		ret = __add_pages(zone, start_pfn, nr_pages);
		mutex_unlock(&add_spumem_mutex);

		return ret;
		}

		static void __iomem * __init map_spe_prop(struct spu *spu,
		struct device_node n, const char name)
		{
		const struct address_prop {
		unsigned long address;
		unsigned int len;
		} __attribute__((packed)) *prop;

		const void *p;
		int proplen;
		void __iomem *ret = NULL;
		int err = 0;

		p = get_property(n, name, &proplen);
		if (proplen != sizeof (struct address_prop))
		return NULL;

		prop = p;

		err = cell_spuprop_present(spu, n, name);
		if (err && (err != -EEXIST))
		goto out;

		ret = ioremap(prop->address, prop->len);

		out:
		return ret;
		}

		static void spu_unmap(struct spu *spu)
		{
		iounmap(spu->priv2);
		iounmap(spu_get_pdata(spu)->priv1);
		iounmap(spu->problem);
		iounmap((__force u8 __iomem *)spu->local_store);
		}

		static int __init spu_map_interrupts_old(struct spu *spu,
		struct device_node *np)
		{
		unsigned int isrc;
		const u32 *tmp;

		/* Get the interrupt source unit from the device-tree */
		tmp = get_property(np, "isrc", NULL);
		if (!tmp)
		return -ENODEV;
		isrc = tmp[0];

		/* Add the node number */
		isrc \|= spu->node << IIC_IRQ_NODE_SHIFT;

		/* Now map interrupts of all 3 classes */
		spu->irqs[0] = irq_create_mapping(NULL, IIC_IRQ_CLASS_0 \| isrc);
		spu->irqs[1] = irq_create_mapping(NULL, IIC_IRQ_CLASS_1 \| isrc);
		spu->irqs[2] = irq_create_mapping(NULL, IIC_IRQ_CLASS_2 \| isrc);

		/* Right now, we only fail if class 2 failed */
		return spu->irqs[2] == NO_IRQ ? -EINVAL : 0;
		}

		static int __init spu_map_device_old(struct spu spu, struct device_node node)
		{
		const char *prop;
		int ret;

		ret = -ENODEV;
		spu->name = get_property(node, "name", NULL);
		if (!spu->name)
		goto out;

		prop = get_property(node, "local-store", NULL);
		if (!prop)
		goto out;
		spu->local_store_phys = (unsigned long )prop;

		/* we use local store as ram, not io memory */
		spu->local_store = (void __force *)
		map_spe_prop(spu, node, "local-store");
		if (!spu->local_store)
		goto out;

		prop = get_property(node, "problem", NULL);
		if (!prop)
		goto out_unmap;
		spu->problem_phys = (unsigned long )prop;

		spu->problem= map_spe_prop(spu, node, "problem");
		if (!spu->problem)
		goto out_unmap;

		spu_get_pdata(spu)->priv1= map_spe_prop(spu, node, "priv1");

		spu->priv2= map_spe_prop(spu, node, "priv2");
		if (!spu->priv2)
		goto out_unmap;
		ret = 0;
		goto out;

		out_unmap:
		spu_unmap(spu);
		out:
		return ret;
		}

		static int __init spu_map_interrupts(struct spu spu, struct device_node np)
		{
		struct of_irq oirq;
		int ret;
		int i;

		for (i=0; i < 3; i++) {
		ret = of_irq_map_one(np, i, &oirq);
		if (ret) {
		pr_debug("spu_new: failed to get irq %d\n", i);
		goto err;
		}
		ret = -EINVAL;
		pr_debug(" irq %d no 0x%x on %s\n", i, oirq.specifier[0],
		oirq.controller->full_name);
		spu->irqs[i] = irq_create_of_mapping(oirq.controller,
		oirq.specifier, oirq.size);
		if (spu->irqs[i] == NO_IRQ) {
		pr_debug("spu_new: failed to map it !\n");
		goto err;
		}
		}
		return 0;

		err:
		pr_debug("failed to map irq %x for spu %s\n", *oirq.specifier,
		spu->name);
		for (; i >= 0; i--) {
		if (spu->irqs[i] != NO_IRQ)
		irq_dispose_mapping(spu->irqs[i]);
		}
		return ret;
		}

		static int spu_map_resource(struct device_node *node, int nr,
		void __iomem** virt, unsigned long *phys)
		{
		struct resource resource = { };
		int ret;

		ret = of_address_to_resource(node, nr, &resource);
		if (ret)
		goto out;

		if (phys)
		*phys = resource.start;
		*virt = ioremap(resource.start, resource.end - resource.start);
		if (!*virt)
		ret = -EINVAL;

		out:
		return ret;
		}

		static int __init spu_map_device(struct spu spu, struct device_node node)
		{
		int ret = -ENODEV;
		spu->name = get_property(node, "name", NULL);
		if (!spu->name)
		goto out;

		ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
		&spu->local_store_phys);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 0\n",
		node->full_name);
		goto out;
		}
		ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
		&spu->problem_phys);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 1\n",
		node->full_name);
		goto out_unmap;
		}
		ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
		NULL);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 2\n",
		node->full_name);
		goto out_unmap;
		}
		if (!firmware_has_feature(FW_FEATURE_LPAR))
		ret = spu_map_resource(node, 3,
		(void __iomem**)&spu_get_pdata(spu)->priv1, NULL);
		if (ret) {
		pr_debug("spu_new: failed to map %s resource 3\n",
		node->full_name);
		goto out_unmap;
		}
		pr_debug("spu_new: %s maps:\n", node->full_name);
		pr_debug(" local store : 0x%016lx -> 0x%p\n",
		spu->local_store_phys, spu->local_store);
		pr_debug(" problem state : 0x%016lx -> 0x%p\n",
		spu->problem_phys, spu->problem);
		pr_debug(" priv2 : 0x%p\n", spu->priv2);
		pr_debug(" priv1 : 0x%p\n",
		spu_get_pdata(spu)->priv1);

		return 0;

		out_unmap:
		spu_unmap(spu);
		out:
		pr_debug("failed to map spe %s: %d\n", spu->name, ret);
		return ret;
		}

		static int __init of_enumerate_spus(int (fn)(void data))
		{
		int ret;
		struct device_node *node;

		ret = -ENODEV;
		for (node = of_find_node_by_type(NULL, "spe");
		node; node = of_find_node_by_type(node, "spe")) {
		ret = fn(node);
		if (ret) {
		printk(KERN_WARNING "%s: Error initializing %s\n",
		__FUNCTION__, node->name);
		break;
		}
		}
		return ret;
		}

		static int __init of_create_spu(struct spu spu, void data)
		{
		int ret;
		struct device_node spe = (struct device_node )data;

		spu->pdata = kzalloc(sizeof(struct spu_pdata),
		GFP_KERNEL);
		if (!spu->pdata) {
		ret = -ENOMEM;
		goto out;
		}

		spu->node = find_spu_node_id(spe);
		if (spu->node >= MAX_NUMNODES) {
		printk(KERN_WARNING "SPE %s on node %d ignored,"
		" node number too big\n", spe->full_name, spu->node);
		printk(KERN_WARNING "Check if CONFIG_NUMA is enabled.\n");
		ret = -ENODEV;
		goto out_free;
		}

		spu_get_pdata(spu)->nid = of_node_to_nid(spe);
		if (spu_get_pdata(spu)->nid == -1)
		spu_get_pdata(spu)->nid = 0;

		ret = spu_map_device(spu, spe);
		/* try old method */
		if (ret)
		ret = spu_map_device_old(spu, spe);
		if (ret)
		goto out_free;

		ret = spu_map_interrupts(spu, spe);
		if (ret)
		ret = spu_map_interrupts_old(spu, spe);
		if (ret)
		goto out_unmap;

		spu_get_pdata(spu)->devnode = of_node_get(spe);

		pr_debug(KERN_DEBUG "Using SPE %s %p %p %p %p %d\n", spu->name,
		spu->local_store, spu->problem, spu_get_pdata(spu)->priv1,
		spu->priv2, spu->number);
		goto out;

		out_unmap:
		spu_unmap(spu);
		out_free:
		kfree(spu->pdata);
		spu->pdata = NULL;
		out:
		return ret;
		}

		static int of_destroy_spu(struct spu *spu)
		{
		spu_unmap(spu);
		of_node_put(spu_get_pdata(spu)->devnode);
		kfree(spu->pdata);
		spu->pdata = NULL;
		return 0;
		}

		const struct spu_management_ops spu_management_of_ops = {
		.enumerate_spus = of_enumerate_spus,
		.create_spu = of_create_spu,
		.destroy_spu = of_destroy_spu,
		};

		static void int_mask_and(struct spu *spu, int class, u64 mask)
		{
		u64 old_mask;

		old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
		out_be64(&spu->priv1->int_mask_RW[class], old_mask & mask);
		old_mask = in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]);
		out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class],
		old_mask & mask);
		}

		static void int_mask_or(struct spu *spu, int class, u64 mask)
		{
		u64 old_mask;

		old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
		out_be64(&spu->priv1->int_mask_RW[class], old_mask \| mask);
		old_mask = in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]);
		out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class],
		old_mask \| mask);
		}

		static void int_mask_set(struct spu *spu, int class, u64 mask)
		{
		out_be64(&spu->priv1->int_mask_RW[class], mask);
		out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class], mask);
		}

		static u64 int_mask_get(struct spu *spu, int class)
		{
		return in_be64(&spu->priv1->int_mask_RW[class]);
		return in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]);
		}

		static void int_stat_clear(struct spu *spu, int class, u64 stat)
		{
		out_be64(&spu->priv1->int_stat_RW[class], stat);
		out_be64(&spu_get_pdata(spu)->priv1->int_stat_RW[class], stat);
		}

		static u64 int_stat_get(struct spu *spu, int class)
		{
		return in_be64(&spu->priv1->int_stat_RW[class]);
		return in_be64(&spu_get_pdata(spu)->priv1->int_stat_RW[class]);
		}

		static void cpu_affinity_set(struct spu *spu, int cpu)
		{
		u64 target = iic_get_target_id(cpu);
		u64 route = target << 48 \| target << 32 \| target << 16;
		out_be64(&spu->priv1->int_route_RW, route);
		out_be64(&spu_get_pdata(spu)->priv1->int_route_RW, route);
		}

		static u64 mfc_dar_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->mfc_dar_RW);
		return in_be64(&spu_get_pdata(spu)->priv1->mfc_dar_RW);
		}

		static u64 mfc_dsisr_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->mfc_dsisr_RW);
		return in_be64(&spu_get_pdata(spu)->priv1->mfc_dsisr_RW);
		}

		static void mfc_dsisr_set(struct spu *spu, u64 dsisr)
		{
		out_be64(&spu->priv1->mfc_dsisr_RW, dsisr);
		out_be64(&spu_get_pdata(spu)->priv1->mfc_dsisr_RW, dsisr);
		}

		static void mfc_sdr_setup(struct spu *spu)
		{
		out_be64(&spu->priv1->mfc_sdr_RW, mfspr(SPRN_SDR1));
		out_be64(&spu_get_pdata(spu)->priv1->mfc_sdr_RW, mfspr(SPRN_SDR1));
		}

		static void mfc_sr1_set(struct spu *spu, u64 sr1)
		{
		out_be64(&spu->priv1->mfc_sr1_RW, sr1);
		out_be64(&spu_get_pdata(spu)->priv1->mfc_sr1_RW, sr1);
		}

		static u64 mfc_sr1_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->mfc_sr1_RW);
		return in_be64(&spu_get_pdata(spu)->priv1->mfc_sr1_RW);
		}

		static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id)
		{
		out_be64(&spu->priv1->mfc_tclass_id_RW, tclass_id);
		out_be64(&spu_get_pdata(spu)->priv1->mfc_tclass_id_RW, tclass_id);
		}

		static u64 mfc_tclass_id_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->mfc_tclass_id_RW);
		return in_be64(&spu_get_pdata(spu)->priv1->mfc_tclass_id_RW);
		}

		static void tlb_invalidate(struct spu *spu)
		{
		out_be64(&spu->priv1->tlb_invalidate_entry_W, 0ul);
		out_be64(&spu_get_pdata(spu)->priv1->tlb_invalidate_entry_W, 0ul);
		}

		static void resource_allocation_groupID_set(struct spu *spu, u64 id)
		{
		out_be64(&spu->priv1->resource_allocation_groupID_RW, id);
		out_be64(&spu_get_pdata(spu)->priv1->resource_allocation_groupID_RW,
		id);
		}

		static u64 resource_allocation_groupID_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->resource_allocation_groupID_RW);
		return in_be64(
		&spu_get_pdata(spu)->priv1->resource_allocation_groupID_RW);
		}

		static void resource_allocation_enable_set(struct spu *spu, u64 enable)
		{
		out_be64(&spu->priv1->resource_allocation_enable_RW, enable);
		out_be64(&spu_get_pdata(spu)->priv1->resource_allocation_enable_RW,
		enable);
		}

		static u64 resource_allocation_enable_get(struct spu *spu)
		{
		return in_be64(&spu->priv1->resource_allocation_enable_RW);
		return in_be64(
		&spu_get_pdata(spu)->priv1->resource_allocation_enable_RW);
		}

		const struct spu_priv1_ops spu_priv1_mmio_ops =

arch/powerpc/platforms/cell/spu_priv1_mmio.h

0 → 100644

+26 −0

Original line number	Diff line number	Diff line
		/*
		* spu hypervisor abstraction for direct hardware access.
		*
		* 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
		*/

		#ifndef SPU_PRIV1_MMIO_H
		#define SPU_PRIV1_MMIO_H

		struct device_node spu_devnode(struct spu spu);

		#endif /* SPU_PRIV1_MMIO_H */

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