2005-11-16 04:53:48 +08:00
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/*
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* SPU file system -- file contents
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*
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* (C) Copyright IBM Deutschland Entwicklung GmbH 2005
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*
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* Author: Arnd Bergmann <arndb@de.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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2006-03-23 07:00:11 +08:00
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#undef DEBUG
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2005-11-16 04:53:48 +08:00
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#include <linux/fs.h>
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#include <linux/ioctl.h>
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#include <linux/module.h>
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2005-12-06 11:52:22 +08:00
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#include <linux/pagemap.h>
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2005-11-16 04:53:48 +08:00
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#include <linux/poll.h>
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2005-12-06 11:52:25 +08:00
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#include <linux/ptrace.h>
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2005-11-16 04:53:48 +08:00
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#include <asm/io.h>
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#include <asm/semaphore.h>
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#include <asm/spu.h>
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2006-11-21 01:44:58 +08:00
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#include <asm/spu_info.h>
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2005-11-16 04:53:48 +08:00
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#include <asm/uaccess.h>
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#include "spufs.h"
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2006-10-04 23:26:11 +08:00
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#define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000)
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2005-11-16 04:53:52 +08:00
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2005-11-16 04:53:48 +08:00
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static int
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spufs_mem_open(struct inode *inode, struct file *file)
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{
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struct spufs_inode_info *i = SPUFS_I(inode);
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2006-03-23 07:00:12 +08:00
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struct spu_context *ctx = i->i_ctx;
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file->private_data = ctx;
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file->f_mapping = inode->i_mapping;
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ctx->local_store = inode->i_mapping;
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2005-11-16 04:53:48 +08:00
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return 0;
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}
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static ssize_t
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spufs_mem_read(struct file *file, char __user *buffer,
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size_t size, loff_t *pos)
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{
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2005-11-16 04:53:52 +08:00
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struct spu_context *ctx = file->private_data;
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char *local_store;
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2005-11-16 04:53:48 +08:00
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int ret;
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2005-11-16 04:53:52 +08:00
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spu_acquire(ctx);
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2005-11-16 04:53:48 +08:00
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2005-11-16 04:53:52 +08:00
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local_store = ctx->ops->get_ls(ctx);
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ret = simple_read_from_buffer(buffer, size, pos, local_store, LS_SIZE);
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2005-11-16 04:53:48 +08:00
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2005-11-16 04:53:52 +08:00
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spu_release(ctx);
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2005-11-16 04:53:48 +08:00
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return ret;
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}
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static ssize_t
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spufs_mem_write(struct file *file, const char __user *buffer,
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size_t size, loff_t *pos)
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{
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struct spu_context *ctx = file->private_data;
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2005-11-16 04:53:52 +08:00
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char *local_store;
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int ret;
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2005-11-16 04:53:48 +08:00
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size = min_t(ssize_t, LS_SIZE - *pos, size);
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if (size <= 0)
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return -EFBIG;
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*pos += size;
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2005-11-16 04:53:52 +08:00
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spu_acquire(ctx);
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local_store = ctx->ops->get_ls(ctx);
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ret = copy_from_user(local_store + *pos - size,
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buffer, size) ? -EFAULT : size;
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spu_release(ctx);
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return ret;
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2005-11-16 04:53:48 +08:00
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}
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2005-11-16 04:53:52 +08:00
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static struct page *
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spufs_mem_mmap_nopage(struct vm_area_struct *vma,
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unsigned long address, int *type)
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{
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struct page *page = NOPAGE_SIGBUS;
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struct spu_context *ctx = vma->vm_file->private_data;
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unsigned long offset = address - vma->vm_start;
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offset += vma->vm_pgoff << PAGE_SHIFT;
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spu_acquire(ctx);
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2006-10-04 23:26:16 +08:00
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if (ctx->state == SPU_STATE_SAVED) {
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vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
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2006-11-21 01:45:06 +08:00
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& ~_PAGE_NO_CACHE);
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2005-11-16 04:53:52 +08:00
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page = vmalloc_to_page(ctx->csa.lscsa->ls + offset);
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2006-10-04 23:26:16 +08:00
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} else {
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vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
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2006-11-21 01:45:06 +08:00
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| _PAGE_NO_CACHE);
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2005-11-16 04:53:52 +08:00
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page = pfn_to_page((ctx->spu->local_store_phys + offset)
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>> PAGE_SHIFT);
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2006-10-04 23:26:16 +08:00
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}
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2005-11-16 04:53:52 +08:00
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spu_release(ctx);
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if (type)
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*type = VM_FAULT_MINOR;
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2005-12-06 11:52:22 +08:00
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page_cache_get(page);
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2005-11-16 04:53:52 +08:00
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return page;
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}
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static struct vm_operations_struct spufs_mem_mmap_vmops = {
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.nopage = spufs_mem_mmap_nopage,
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};
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2005-11-16 04:53:48 +08:00
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static int
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spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
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{
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2005-11-16 04:53:52 +08:00
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if (!(vma->vm_flags & VM_SHARED))
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return -EINVAL;
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2005-11-16 04:53:48 +08:00
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2006-11-21 01:45:05 +08:00
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vma->vm_flags |= VM_IO;
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2005-11-16 04:53:52 +08:00
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vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
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| _PAGE_NO_CACHE);
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vma->vm_ops = &spufs_mem_mmap_vmops;
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2005-11-16 04:53:48 +08:00
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return 0;
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}
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static struct file_operations spufs_mem_fops = {
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.open = spufs_mem_open,
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.read = spufs_mem_read,
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.write = spufs_mem_write,
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2005-11-16 04:53:52 +08:00
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.llseek = generic_file_llseek,
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2005-11-16 04:53:48 +08:00
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.mmap = spufs_mem_mmap,
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2005-11-16 04:53:52 +08:00
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};
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2006-03-23 07:00:12 +08:00
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static struct page *spufs_ps_nopage(struct vm_area_struct *vma,
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unsigned long address,
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2006-10-04 23:26:11 +08:00
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int *type, unsigned long ps_offs,
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unsigned long ps_size)
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2006-03-23 07:00:12 +08:00
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{
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struct page *page = NOPAGE_SIGBUS;
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int fault_type = VM_FAULT_SIGBUS;
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struct spu_context *ctx = vma->vm_file->private_data;
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unsigned long offset = address - vma->vm_start;
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unsigned long area;
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int ret;
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offset += vma->vm_pgoff << PAGE_SHIFT;
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2006-10-04 23:26:11 +08:00
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if (offset >= ps_size)
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2006-03-23 07:00:12 +08:00
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goto out;
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ret = spu_acquire_runnable(ctx);
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if (ret)
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goto out;
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area = ctx->spu->problem_phys + ps_offs;
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page = pfn_to_page((area + offset) >> PAGE_SHIFT);
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fault_type = VM_FAULT_MINOR;
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page_cache_get(page);
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spu_release(ctx);
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out:
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if (type)
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*type = fault_type;
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return page;
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}
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2006-10-04 23:26:11 +08:00
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#if SPUFS_MMAP_4K
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2006-03-23 07:00:12 +08:00
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static struct page *spufs_cntl_mmap_nopage(struct vm_area_struct *vma,
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unsigned long address, int *type)
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{
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2006-10-04 23:26:11 +08:00
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return spufs_ps_nopage(vma, address, type, 0x4000, 0x1000);
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2006-03-23 07:00:12 +08:00
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}
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static struct vm_operations_struct spufs_cntl_mmap_vmops = {
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.nopage = spufs_cntl_mmap_nopage,
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};
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/*
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* mmap support for problem state control area [0x4000 - 0x4fff].
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*/
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static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
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{
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if (!(vma->vm_flags & VM_SHARED))
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return -EINVAL;
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2006-11-21 01:45:05 +08:00
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vma->vm_flags |= VM_IO;
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2006-03-23 07:00:12 +08:00
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vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
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2006-06-24 02:57:47 +08:00
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| _PAGE_NO_CACHE | _PAGE_GUARDED);
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2006-03-23 07:00:12 +08:00
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vma->vm_ops = &spufs_cntl_mmap_vmops;
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return 0;
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}
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2006-10-04 23:26:11 +08:00
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#else /* SPUFS_MMAP_4K */
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#define spufs_cntl_mmap NULL
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#endif /* !SPUFS_MMAP_4K */
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2006-03-23 07:00:12 +08:00
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2006-10-04 23:26:19 +08:00
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static u64 spufs_cntl_get(void *data)
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2006-03-23 07:00:12 +08:00
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{
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2006-10-04 23:26:19 +08:00
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struct spu_context *ctx = data;
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u64 val;
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2006-03-23 07:00:12 +08:00
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2006-10-04 23:26:19 +08:00
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spu_acquire(ctx);
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val = ctx->ops->status_read(ctx);
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spu_release(ctx);
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return val;
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2006-03-23 07:00:12 +08:00
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}
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2006-10-04 23:26:19 +08:00
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static void spufs_cntl_set(void *data, u64 val)
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2006-03-23 07:00:12 +08:00
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{
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2006-10-04 23:26:19 +08:00
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struct spu_context *ctx = data;
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spu_acquire(ctx);
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ctx->ops->runcntl_write(ctx, val);
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spu_release(ctx);
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2006-03-23 07:00:12 +08:00
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}
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2006-10-04 23:26:19 +08:00
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static int spufs_cntl_open(struct inode *inode, struct file *file)
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2006-03-23 07:00:12 +08:00
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{
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2006-10-04 23:26:19 +08:00
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struct spufs_inode_info *i = SPUFS_I(inode);
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struct spu_context *ctx = i->i_ctx;
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file->private_data = ctx;
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file->f_mapping = inode->i_mapping;
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ctx->cntl = inode->i_mapping;
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return simple_attr_open(inode, file, spufs_cntl_get,
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spufs_cntl_set, "0x%08lx");
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2006-03-23 07:00:12 +08:00
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}
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static struct file_operations spufs_cntl_fops = {
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.open = spufs_cntl_open,
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2006-10-10 16:27:29 +08:00
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.release = simple_attr_close,
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2006-10-04 23:26:19 +08:00
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.read = simple_attr_read,
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.write = simple_attr_write,
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2006-03-23 07:00:12 +08:00
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.mmap = spufs_cntl_mmap,
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};
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2005-11-16 04:53:52 +08:00
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static int
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spufs_regs_open(struct inode *inode, struct file *file)
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{
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struct spufs_inode_info *i = SPUFS_I(inode);
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file->private_data = i->i_ctx;
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return 0;
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}
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static ssize_t
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spufs_regs_read(struct file *file, char __user *buffer,
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size_t size, loff_t *pos)
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{
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struct spu_context *ctx = file->private_data;
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struct spu_lscsa *lscsa = ctx->csa.lscsa;
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int ret;
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spu_acquire_saved(ctx);
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ret = simple_read_from_buffer(buffer, size, pos,
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lscsa->gprs, sizeof lscsa->gprs);
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spu_release(ctx);
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return ret;
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}
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static ssize_t
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|
|
spufs_regs_write(struct file *file, const char __user *buffer,
|
|
|
|
|
size_t size, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
size = min_t(ssize_t, sizeof lscsa->gprs - *pos, size);
|
|
|
|
|
if (size <= 0)
|
|
|
|
|
return -EFBIG;
|
|
|
|
|
*pos += size;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
|
|
|
|
|
ret = copy_from_user(lscsa->gprs + *pos - size,
|
|
|
|
|
buffer, size) ? -EFAULT : size;
|
|
|
|
|
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_regs_fops = {
|
|
|
|
|
.open = spufs_regs_open,
|
|
|
|
|
.read = spufs_regs_read,
|
|
|
|
|
.write = spufs_regs_write,
|
2005-11-16 04:53:48 +08:00
|
|
|
|
.llseek = generic_file_llseek,
|
|
|
|
|
};
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
static ssize_t
|
|
|
|
|
spufs_fpcr_read(struct file *file, char __user * buffer,
|
|
|
|
|
size_t size, loff_t * pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
|
|
|
|
|
ret = simple_read_from_buffer(buffer, size, pos,
|
|
|
|
|
&lscsa->fpcr, sizeof(lscsa->fpcr));
|
|
|
|
|
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t
|
|
|
|
|
spufs_fpcr_write(struct file *file, const char __user * buffer,
|
|
|
|
|
size_t size, loff_t * pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size);
|
|
|
|
|
if (size <= 0)
|
|
|
|
|
return -EFBIG;
|
|
|
|
|
*pos += size;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
|
|
|
|
|
ret = copy_from_user((char *)&lscsa->fpcr + *pos - size,
|
|
|
|
|
buffer, size) ? -EFAULT : size;
|
|
|
|
|
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_fpcr_fops = {
|
|
|
|
|
.open = spufs_regs_open,
|
|
|
|
|
.read = spufs_fpcr_read,
|
|
|
|
|
.write = spufs_fpcr_write,
|
|
|
|
|
.llseek = generic_file_llseek,
|
|
|
|
|
};
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
/* generic open function for all pipe-like files */
|
|
|
|
|
static int spufs_pipe_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
file->private_data = i->i_ctx;
|
|
|
|
|
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/*
|
|
|
|
|
* Read as many bytes from the mailbox as possible, until
|
|
|
|
|
* one of the conditions becomes true:
|
|
|
|
|
*
|
|
|
|
|
* - no more data available in the mailbox
|
|
|
|
|
* - end of the user provided buffer
|
|
|
|
|
* - end of the mapped area
|
|
|
|
|
*/
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2006-10-04 23:26:17 +08:00
|
|
|
|
u32 mbox_data, __user *udata;
|
|
|
|
|
ssize_t count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
udata = (void __user *)buf;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
2006-10-25 00:01:42 +08:00
|
|
|
|
for (count = 0; (count + 4) <= len; count += 4, udata++) {
|
2006-10-04 23:26:17 +08:00
|
|
|
|
int ret;
|
|
|
|
|
ret = ctx->ops->mbox_read(ctx, &mbox_data);
|
|
|
|
|
if (ret == 0)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* at the end of the mapped area, we can fault
|
|
|
|
|
* but still need to return the data we have
|
|
|
|
|
* read successfully so far.
|
|
|
|
|
*/
|
|
|
|
|
ret = __put_user(mbox_data, udata);
|
|
|
|
|
if (ret) {
|
|
|
|
|
if (!count)
|
|
|
|
|
count = -EFAULT;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
if (!count)
|
|
|
|
|
count = -EAGAIN;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
return count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_mbox_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.read = spufs_mbox_read,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
u32 mbox_stat;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
|
|
|
|
|
mbox_stat = ctx->ops->mbox_stat_read(ctx) & 0xff;
|
|
|
|
|
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (copy_to_user(buf, &mbox_stat, sizeof mbox_stat))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_mbox_stat_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.read = spufs_mbox_stat_read,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* low-level ibox access function */
|
2005-11-16 04:53:52 +08:00
|
|
|
|
size_t spu_ibox_read(struct spu_context *ctx, u32 *data)
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
return ctx->ops->ibox_read(ctx, data);
|
|
|
|
|
}
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
static int spufs_ibox_fasync(int fd, struct file *file, int on)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
return fasync_helper(fd, file, on, &ctx->ibox_fasync);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
/* interrupt-level ibox callback function. */
|
|
|
|
|
void spufs_ibox_callback(struct spu *spu)
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = spu->ctx;
|
|
|
|
|
|
|
|
|
|
wake_up_all(&ctx->ibox_wq);
|
|
|
|
|
kill_fasync(&ctx->ibox_fasync, SIGIO, POLLIN);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/*
|
|
|
|
|
* Read as many bytes from the interrupt mailbox as possible, until
|
|
|
|
|
* one of the conditions becomes true:
|
|
|
|
|
*
|
|
|
|
|
* - no more data available in the mailbox
|
|
|
|
|
* - end of the user provided buffer
|
|
|
|
|
* - end of the mapped area
|
|
|
|
|
*
|
|
|
|
|
* If the file is opened without O_NONBLOCK, we wait here until
|
|
|
|
|
* any data is available, but return when we have been able to
|
|
|
|
|
* read something.
|
|
|
|
|
*/
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2006-10-04 23:26:17 +08:00
|
|
|
|
u32 ibox_data, __user *udata;
|
|
|
|
|
ssize_t count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
udata = (void __user *)buf;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/* wait only for the first element */
|
|
|
|
|
count = 0;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
if (file->f_flags & O_NONBLOCK) {
|
2005-11-16 04:53:52 +08:00
|
|
|
|
if (!spu_ibox_read(ctx, &ibox_data))
|
2006-10-04 23:26:17 +08:00
|
|
|
|
count = -EAGAIN;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
} else {
|
2006-10-04 23:26:17 +08:00
|
|
|
|
count = spufs_wait(ctx->ibox_wq, spu_ibox_read(ctx, &ibox_data));
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
2006-10-04 23:26:17 +08:00
|
|
|
|
if (count)
|
|
|
|
|
goto out;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/* if we can't write at all, return -EFAULT */
|
|
|
|
|
count = __put_user(ibox_data, udata);
|
|
|
|
|
if (count)
|
|
|
|
|
goto out;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) {
|
|
|
|
|
int ret;
|
|
|
|
|
ret = ctx->ops->ibox_read(ctx, &ibox_data);
|
|
|
|
|
if (ret == 0)
|
|
|
|
|
break;
|
|
|
|
|
/*
|
|
|
|
|
* at the end of the mapped area, we can fault
|
|
|
|
|
* but still need to return the data we have
|
|
|
|
|
* read successfully so far.
|
|
|
|
|
*/
|
|
|
|
|
ret = __put_user(ibox_data, udata);
|
|
|
|
|
if (ret)
|
|
|
|
|
break;
|
|
|
|
|
}
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
out:
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
return count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
unsigned int mask;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
poll_wait(file, &ctx->ibox_wq, wait);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-12-06 11:52:27 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
mask = ctx->ops->mbox_stat_poll(ctx, POLLIN | POLLRDNORM);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
return mask;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_ibox_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.read = spufs_ibox_read,
|
|
|
|
|
.poll = spufs_ibox_poll,
|
|
|
|
|
.fasync = spufs_ibox_fasync,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
u32 ibox_stat;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ibox_stat = (ctx->ops->mbox_stat_read(ctx) >> 16) & 0xff;
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (copy_to_user(buf, &ibox_stat, sizeof ibox_stat))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_ibox_stat_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.read = spufs_ibox_stat_read,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* low-level mailbox write */
|
2005-11-16 04:53:52 +08:00
|
|
|
|
size_t spu_wbox_write(struct spu_context *ctx, u32 data)
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
return ctx->ops->wbox_write(ctx, data);
|
|
|
|
|
}
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
static int spufs_wbox_fasync(int fd, struct file *file, int on)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
int ret;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
ret = fasync_helper(fd, file, on, &ctx->wbox_fasync);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
/* interrupt-level wbox callback function. */
|
|
|
|
|
void spufs_wbox_callback(struct spu *spu)
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = spu->ctx;
|
|
|
|
|
|
|
|
|
|
wake_up_all(&ctx->wbox_wq);
|
|
|
|
|
kill_fasync(&ctx->wbox_fasync, SIGIO, POLLOUT);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/*
|
|
|
|
|
* Write as many bytes to the interrupt mailbox as possible, until
|
|
|
|
|
* one of the conditions becomes true:
|
|
|
|
|
*
|
|
|
|
|
* - the mailbox is full
|
|
|
|
|
* - end of the user provided buffer
|
|
|
|
|
* - end of the mapped area
|
|
|
|
|
*
|
|
|
|
|
* If the file is opened without O_NONBLOCK, we wait here until
|
|
|
|
|
* space is availabyl, but return when we have been able to
|
|
|
|
|
* write something.
|
|
|
|
|
*/
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static ssize_t spufs_wbox_write(struct file *file, const char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2006-10-04 23:26:17 +08:00
|
|
|
|
u32 wbox_data, __user *udata;
|
|
|
|
|
ssize_t count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
udata = (void __user *)buf;
|
|
|
|
|
if (!access_ok(VERIFY_READ, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
if (__get_user(wbox_data, udata))
|
2005-11-16 04:53:48 +08:00
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/*
|
|
|
|
|
* make sure we can at least write one element, by waiting
|
|
|
|
|
* in case of !O_NONBLOCK
|
|
|
|
|
*/
|
|
|
|
|
count = 0;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
if (file->f_flags & O_NONBLOCK) {
|
2005-11-16 04:53:52 +08:00
|
|
|
|
if (!spu_wbox_write(ctx, wbox_data))
|
2006-10-04 23:26:17 +08:00
|
|
|
|
count = -EAGAIN;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
} else {
|
2006-10-04 23:26:17 +08:00
|
|
|
|
count = spufs_wait(ctx->wbox_wq, spu_wbox_write(ctx, wbox_data));
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
if (count)
|
|
|
|
|
goto out;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
2006-10-04 23:26:17 +08:00
|
|
|
|
/* write aѕ much as possible */
|
|
|
|
|
for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) {
|
|
|
|
|
int ret;
|
|
|
|
|
ret = __get_user(wbox_data, udata);
|
|
|
|
|
if (ret)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
ret = spu_wbox_write(ctx, wbox_data);
|
|
|
|
|
if (ret == 0)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return count;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
unsigned int mask;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
poll_wait(file, &ctx->wbox_wq, wait);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-12-06 11:52:27 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
mask = ctx->ops->mbox_stat_poll(ctx, POLLOUT | POLLWRNORM);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
return mask;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_wbox_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.write = spufs_wbox_write,
|
|
|
|
|
.poll = spufs_wbox_poll,
|
|
|
|
|
.fasync = spufs_wbox_fasync,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
u32 wbox_stat;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
wbox_stat = (ctx->ops->mbox_stat_read(ctx) >> 8) & 0xff;
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
if (copy_to_user(buf, &wbox_stat, sizeof wbox_stat))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_wbox_stat_fops = {
|
|
|
|
|
.open = spufs_pipe_open,
|
|
|
|
|
.read = spufs_wbox_stat_read,
|
|
|
|
|
};
|
|
|
|
|
|
2006-03-23 07:00:12 +08:00
|
|
|
|
static int spufs_signal1_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
struct spu_context *ctx = i->i_ctx;
|
|
|
|
|
file->private_data = ctx;
|
|
|
|
|
file->f_mapping = inode->i_mapping;
|
|
|
|
|
ctx->signal1 = inode->i_mapping;
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static ssize_t spufs_signal1_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2005-11-16 04:53:52 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
2006-11-21 01:45:01 +08:00
|
|
|
|
int ret = 0;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
if (ctx->csa.spu_chnlcnt_RW[3]) {
|
|
|
|
|
data = ctx->csa.spu_chnldata_RW[3];
|
|
|
|
|
ret = 4;
|
|
|
|
|
}
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
if (!ret)
|
|
|
|
|
goto out;
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
if (copy_to_user(buf, &data, 4))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
out:
|
|
|
|
|
return ret;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx;
|
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
ctx = file->private_data;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
|
|
if (copy_from_user(&data, buf, 4))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->signal1_write(ctx, data);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
2006-03-23 07:00:12 +08:00
|
|
|
|
static struct page *spufs_signal1_mmap_nopage(struct vm_area_struct *vma,
|
|
|
|
|
unsigned long address, int *type)
|
|
|
|
|
{
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#if PAGE_SIZE == 0x1000
|
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x14000, 0x1000);
|
|
|
|
|
#elif PAGE_SIZE == 0x10000
|
|
|
|
|
/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
|
|
|
|
|
* signal 1 and 2 area
|
|
|
|
|
*/
|
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x10000, 0x10000);
|
|
|
|
|
#else
|
|
|
|
|
#error unsupported page size
|
|
|
|
|
#endif
|
2006-03-23 07:00:12 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct vm_operations_struct spufs_signal1_mmap_vmops = {
|
|
|
|
|
.nopage = spufs_signal1_mmap_nopage,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
|
|
{
|
|
|
|
|
if (!(vma->vm_flags & VM_SHARED))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:05 +08:00
|
|
|
|
vma->vm_flags |= VM_IO;
|
2006-03-23 07:00:12 +08:00
|
|
|
|
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
|
2006-06-24 02:57:47 +08:00
|
|
|
|
| _PAGE_NO_CACHE | _PAGE_GUARDED);
|
2006-03-23 07:00:12 +08:00
|
|
|
|
|
|
|
|
|
vma->vm_ops = &spufs_signal1_mmap_vmops;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static struct file_operations spufs_signal1_fops = {
|
2006-03-23 07:00:12 +08:00
|
|
|
|
.open = spufs_signal1_open,
|
2005-11-16 04:53:48 +08:00
|
|
|
|
.read = spufs_signal1_read,
|
|
|
|
|
.write = spufs_signal1_write,
|
2006-03-23 07:00:12 +08:00
|
|
|
|
.mmap = spufs_signal1_mmap,
|
2005-11-16 04:53:48 +08:00
|
|
|
|
};
|
|
|
|
|
|
2006-03-23 07:00:12 +08:00
|
|
|
|
static int spufs_signal2_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
struct spu_context *ctx = i->i_ctx;
|
|
|
|
|
file->private_data = ctx;
|
|
|
|
|
file->f_mapping = inode->i_mapping;
|
|
|
|
|
ctx->signal2 = inode->i_mapping;
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static ssize_t spufs_signal2_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
2006-11-21 01:45:01 +08:00
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
int ret = 0;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
if (ctx->csa.spu_chnlcnt_RW[4]) {
|
|
|
|
|
data = ctx->csa.spu_chnldata_RW[4];
|
|
|
|
|
ret = 4;
|
|
|
|
|
}
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
if (!ret)
|
|
|
|
|
goto out;
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
if (copy_to_user(buf, &data, 4))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
2006-11-21 01:45:01 +08:00
|
|
|
|
out:
|
2005-11-16 04:53:48 +08:00
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx;
|
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
ctx = file->private_data;
|
|
|
|
|
|
|
|
|
|
if (len < 4)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
|
|
if (copy_from_user(&data, buf, 4))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->signal2_write(ctx, data);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
|
|
|
|
return 4;
|
|
|
|
|
}
|
|
|
|
|
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#if SPUFS_MMAP_4K
|
2006-03-23 07:00:12 +08:00
|
|
|
|
static struct page *spufs_signal2_mmap_nopage(struct vm_area_struct *vma,
|
|
|
|
|
unsigned long address, int *type)
|
|
|
|
|
{
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#if PAGE_SIZE == 0x1000
|
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x1c000, 0x1000);
|
|
|
|
|
#elif PAGE_SIZE == 0x10000
|
|
|
|
|
/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
|
|
|
|
|
* signal 1 and 2 area
|
|
|
|
|
*/
|
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x10000, 0x10000);
|
|
|
|
|
#else
|
|
|
|
|
#error unsupported page size
|
|
|
|
|
#endif
|
2006-03-23 07:00:12 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct vm_operations_struct spufs_signal2_mmap_vmops = {
|
|
|
|
|
.nopage = spufs_signal2_mmap_nopage,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
|
|
{
|
|
|
|
|
if (!(vma->vm_flags & VM_SHARED))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:05 +08:00
|
|
|
|
vma->vm_flags |= VM_IO;
|
2006-03-23 07:00:12 +08:00
|
|
|
|
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
|
2006-06-24 02:57:47 +08:00
|
|
|
|
| _PAGE_NO_CACHE | _PAGE_GUARDED);
|
2006-03-23 07:00:12 +08:00
|
|
|
|
|
|
|
|
|
vma->vm_ops = &spufs_signal2_mmap_vmops;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#else /* SPUFS_MMAP_4K */
|
|
|
|
|
#define spufs_signal2_mmap NULL
|
|
|
|
|
#endif /* !SPUFS_MMAP_4K */
|
2006-03-23 07:00:12 +08:00
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static struct file_operations spufs_signal2_fops = {
|
2006-03-23 07:00:12 +08:00
|
|
|
|
.open = spufs_signal2_open,
|
2005-11-16 04:53:48 +08:00
|
|
|
|
.read = spufs_signal2_read,
|
|
|
|
|
.write = spufs_signal2_write,
|
2006-03-23 07:00:12 +08:00
|
|
|
|
.mmap = spufs_signal2_mmap,
|
2005-11-16 04:53:48 +08:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static void spufs_signal1_type_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->signal1_type_set(ctx, val);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_signal1_type_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
u64 ret;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ret = ctx->ops->signal1_type_get(ctx);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return ret;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get,
|
|
|
|
|
spufs_signal1_type_set, "%llu");
|
|
|
|
|
|
|
|
|
|
static void spufs_signal2_type_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->signal2_type_set(ctx, val);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_signal2_type_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
u64 ret;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ret = ctx->ops->signal2_type_get(ctx);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return ret;
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
|
|
|
|
|
spufs_signal2_type_set, "%llu");
|
|
|
|
|
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#if SPUFS_MMAP_4K
|
2006-06-20 02:33:21 +08:00
|
|
|
|
static struct page *spufs_mss_mmap_nopage(struct vm_area_struct *vma,
|
|
|
|
|
unsigned long address, int *type)
|
|
|
|
|
{
|
2006-10-04 23:26:11 +08:00
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x0000, 0x1000);
|
2006-06-20 02:33:21 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct vm_operations_struct spufs_mss_mmap_vmops = {
|
|
|
|
|
.nopage = spufs_mss_mmap_nopage,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* mmap support for problem state MFC DMA area [0x0000 - 0x0fff].
|
|
|
|
|
*/
|
|
|
|
|
static int spufs_mss_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
|
|
{
|
|
|
|
|
if (!(vma->vm_flags & VM_SHARED))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:05 +08:00
|
|
|
|
vma->vm_flags |= VM_IO;
|
2006-06-20 02:33:21 +08:00
|
|
|
|
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
|
2006-06-24 02:57:47 +08:00
|
|
|
|
| _PAGE_NO_CACHE | _PAGE_GUARDED);
|
2006-06-20 02:33:21 +08:00
|
|
|
|
|
|
|
|
|
vma->vm_ops = &spufs_mss_mmap_vmops;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#else /* SPUFS_MMAP_4K */
|
|
|
|
|
#define spufs_mss_mmap NULL
|
|
|
|
|
#endif /* !SPUFS_MMAP_4K */
|
2006-06-20 02:33:21 +08:00
|
|
|
|
|
|
|
|
|
static int spufs_mss_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
|
|
|
|
|
file->private_data = i->i_ctx;
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_mss_fops = {
|
|
|
|
|
.open = spufs_mss_open,
|
|
|
|
|
.mmap = spufs_mss_mmap,
|
2006-10-04 23:26:11 +08:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct page *spufs_psmap_mmap_nopage(struct vm_area_struct *vma,
|
|
|
|
|
unsigned long address, int *type)
|
|
|
|
|
{
|
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x0000, 0x20000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct vm_operations_struct spufs_psmap_mmap_vmops = {
|
|
|
|
|
.nopage = spufs_psmap_mmap_nopage,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* mmap support for full problem state area [0x00000 - 0x1ffff].
|
|
|
|
|
*/
|
|
|
|
|
static int spufs_psmap_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
|
|
{
|
|
|
|
|
if (!(vma->vm_flags & VM_SHARED))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:05 +08:00
|
|
|
|
vma->vm_flags |= VM_IO;
|
2006-10-04 23:26:11 +08:00
|
|
|
|
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
|
|
|
|
|
| _PAGE_NO_CACHE | _PAGE_GUARDED);
|
|
|
|
|
|
|
|
|
|
vma->vm_ops = &spufs_psmap_mmap_vmops;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spufs_psmap_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
|
|
|
|
|
file->private_data = i->i_ctx;
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_psmap_fops = {
|
|
|
|
|
.open = spufs_psmap_open,
|
|
|
|
|
.mmap = spufs_psmap_mmap,
|
2006-06-20 02:33:21 +08:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#if SPUFS_MMAP_4K
|
2006-03-23 07:00:12 +08:00
|
|
|
|
static struct page *spufs_mfc_mmap_nopage(struct vm_area_struct *vma,
|
|
|
|
|
unsigned long address, int *type)
|
|
|
|
|
{
|
2006-10-04 23:26:11 +08:00
|
|
|
|
return spufs_ps_nopage(vma, address, type, 0x3000, 0x1000);
|
2006-03-23 07:00:12 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct vm_operations_struct spufs_mfc_mmap_vmops = {
|
|
|
|
|
.nopage = spufs_mfc_mmap_nopage,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* mmap support for problem state MFC DMA area [0x0000 - 0x0fff].
|
|
|
|
|
*/
|
|
|
|
|
static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
|
|
|
|
|
{
|
|
|
|
|
if (!(vma->vm_flags & VM_SHARED))
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
2006-11-21 01:45:05 +08:00
|
|
|
|
vma->vm_flags |= VM_IO;
|
2006-03-23 07:00:12 +08:00
|
|
|
|
vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
|
2006-06-24 02:57:47 +08:00
|
|
|
|
| _PAGE_NO_CACHE | _PAGE_GUARDED);
|
2006-03-23 07:00:12 +08:00
|
|
|
|
|
|
|
|
|
vma->vm_ops = &spufs_mfc_mmap_vmops;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
2006-10-04 23:26:11 +08:00
|
|
|
|
#else /* SPUFS_MMAP_4K */
|
|
|
|
|
#define spufs_mfc_mmap NULL
|
|
|
|
|
#endif /* !SPUFS_MMAP_4K */
|
2006-03-23 07:00:11 +08:00
|
|
|
|
|
|
|
|
|
static int spufs_mfc_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
struct spu_context *ctx = i->i_ctx;
|
|
|
|
|
|
|
|
|
|
/* we don't want to deal with DMA into other processes */
|
|
|
|
|
if (ctx->owner != current->mm)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
|
|
if (atomic_read(&inode->i_count) != 1)
|
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
|
|
file->private_data = ctx;
|
|
|
|
|
return nonseekable_open(inode, file);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* interrupt-level mfc callback function. */
|
|
|
|
|
void spufs_mfc_callback(struct spu *spu)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = spu->ctx;
|
|
|
|
|
|
|
|
|
|
wake_up_all(&ctx->mfc_wq);
|
|
|
|
|
|
|
|
|
|
pr_debug("%s %s\n", __FUNCTION__, spu->name);
|
|
|
|
|
if (ctx->mfc_fasync) {
|
|
|
|
|
u32 free_elements, tagstatus;
|
|
|
|
|
unsigned int mask;
|
|
|
|
|
|
|
|
|
|
/* no need for spu_acquire in interrupt context */
|
|
|
|
|
free_elements = ctx->ops->get_mfc_free_elements(ctx);
|
|
|
|
|
tagstatus = ctx->ops->read_mfc_tagstatus(ctx);
|
|
|
|
|
|
|
|
|
|
mask = 0;
|
|
|
|
|
if (free_elements & 0xffff)
|
|
|
|
|
mask |= POLLOUT;
|
|
|
|
|
if (tagstatus & ctx->tagwait)
|
|
|
|
|
mask |= POLLIN;
|
|
|
|
|
|
|
|
|
|
kill_fasync(&ctx->mfc_fasync, SIGIO, mask);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spufs_read_mfc_tagstatus(struct spu_context *ctx, u32 *status)
|
|
|
|
|
{
|
|
|
|
|
/* See if there is one tag group is complete */
|
|
|
|
|
/* FIXME we need locking around tagwait */
|
|
|
|
|
*status = ctx->ops->read_mfc_tagstatus(ctx) & ctx->tagwait;
|
|
|
|
|
ctx->tagwait &= ~*status;
|
|
|
|
|
if (*status)
|
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
|
|
/* enable interrupt waiting for any tag group,
|
|
|
|
|
may silently fail if interrupts are already enabled */
|
|
|
|
|
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_mfc_read(struct file *file, char __user *buffer,
|
|
|
|
|
size_t size, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
int ret = -EINVAL;
|
|
|
|
|
u32 status;
|
|
|
|
|
|
|
|
|
|
if (size != 4)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
if (file->f_flags & O_NONBLOCK) {
|
|
|
|
|
status = ctx->ops->read_mfc_tagstatus(ctx);
|
|
|
|
|
if (!(status & ctx->tagwait))
|
|
|
|
|
ret = -EAGAIN;
|
|
|
|
|
else
|
|
|
|
|
ctx->tagwait &= ~status;
|
|
|
|
|
} else {
|
|
|
|
|
ret = spufs_wait(ctx->mfc_wq,
|
|
|
|
|
spufs_read_mfc_tagstatus(ctx, &status));
|
|
|
|
|
}
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
ret = 4;
|
|
|
|
|
if (copy_to_user(buffer, &status, 4))
|
|
|
|
|
ret = -EFAULT;
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spufs_check_valid_dma(struct mfc_dma_command *cmd)
|
|
|
|
|
{
|
|
|
|
|
pr_debug("queueing DMA %x %lx %x %x %x\n", cmd->lsa,
|
|
|
|
|
cmd->ea, cmd->size, cmd->tag, cmd->cmd);
|
|
|
|
|
|
|
|
|
|
switch (cmd->cmd) {
|
|
|
|
|
case MFC_PUT_CMD:
|
|
|
|
|
case MFC_PUTF_CMD:
|
|
|
|
|
case MFC_PUTB_CMD:
|
|
|
|
|
case MFC_GET_CMD:
|
|
|
|
|
case MFC_GETF_CMD:
|
|
|
|
|
case MFC_GETB_CMD:
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
pr_debug("invalid DMA opcode %x\n", cmd->cmd);
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((cmd->lsa & 0xf) != (cmd->ea &0xf)) {
|
|
|
|
|
pr_debug("invalid DMA alignment, ea %lx lsa %x\n",
|
|
|
|
|
cmd->ea, cmd->lsa);
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (cmd->size & 0xf) {
|
|
|
|
|
case 1:
|
|
|
|
|
break;
|
|
|
|
|
case 2:
|
|
|
|
|
if (cmd->lsa & 1)
|
|
|
|
|
goto error;
|
|
|
|
|
break;
|
|
|
|
|
case 4:
|
|
|
|
|
if (cmd->lsa & 3)
|
|
|
|
|
goto error;
|
|
|
|
|
break;
|
|
|
|
|
case 8:
|
|
|
|
|
if (cmd->lsa & 7)
|
|
|
|
|
goto error;
|
|
|
|
|
break;
|
|
|
|
|
case 0:
|
|
|
|
|
if (cmd->lsa & 15)
|
|
|
|
|
goto error;
|
|
|
|
|
break;
|
|
|
|
|
error:
|
|
|
|
|
default:
|
|
|
|
|
pr_debug("invalid DMA alignment %x for size %x\n",
|
|
|
|
|
cmd->lsa & 0xf, cmd->size);
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cmd->size > 16 * 1024) {
|
|
|
|
|
pr_debug("invalid DMA size %x\n", cmd->size);
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cmd->tag & 0xfff0) {
|
|
|
|
|
/* we reserve the higher tag numbers for kernel use */
|
|
|
|
|
pr_debug("invalid DMA tag\n");
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cmd->class) {
|
|
|
|
|
/* not supported in this version */
|
|
|
|
|
pr_debug("invalid DMA class\n");
|
|
|
|
|
return -EIO;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spu_send_mfc_command(struct spu_context *ctx,
|
|
|
|
|
struct mfc_dma_command cmd,
|
|
|
|
|
int *error)
|
|
|
|
|
{
|
|
|
|
|
*error = ctx->ops->send_mfc_command(ctx, &cmd);
|
|
|
|
|
if (*error == -EAGAIN) {
|
|
|
|
|
/* wait for any tag group to complete
|
|
|
|
|
so we have space for the new command */
|
|
|
|
|
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1);
|
|
|
|
|
/* try again, because the queue might be
|
|
|
|
|
empty again */
|
|
|
|
|
*error = ctx->ops->send_mfc_command(ctx, &cmd);
|
|
|
|
|
if (*error == -EAGAIN)
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer,
|
|
|
|
|
size_t size, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct mfc_dma_command cmd;
|
|
|
|
|
int ret = -EINVAL;
|
|
|
|
|
|
|
|
|
|
if (size != sizeof cmd)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
ret = -EFAULT;
|
|
|
|
|
if (copy_from_user(&cmd, buffer, sizeof cmd))
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
ret = spufs_check_valid_dma(&cmd);
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
spu_acquire_runnable(ctx);
|
|
|
|
|
if (file->f_flags & O_NONBLOCK) {
|
|
|
|
|
ret = ctx->ops->send_mfc_command(ctx, &cmd);
|
|
|
|
|
} else {
|
|
|
|
|
int status;
|
|
|
|
|
ret = spufs_wait(ctx->mfc_wq,
|
|
|
|
|
spu_send_mfc_command(ctx, cmd, &status));
|
|
|
|
|
if (status)
|
|
|
|
|
ret = status;
|
|
|
|
|
}
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
|
|
ctx->tagwait |= 1 << cmd.tag;
|
2006-11-21 01:45:07 +08:00
|
|
|
|
ret = size;
|
2006-03-23 07:00:11 +08:00
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
u32 free_elements, tagstatus;
|
|
|
|
|
unsigned int mask;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2);
|
|
|
|
|
free_elements = ctx->ops->get_mfc_free_elements(ctx);
|
|
|
|
|
tagstatus = ctx->ops->read_mfc_tagstatus(ctx);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
poll_wait(file, &ctx->mfc_wq, wait);
|
|
|
|
|
|
|
|
|
|
mask = 0;
|
|
|
|
|
if (free_elements & 0xffff)
|
|
|
|
|
mask |= POLLOUT | POLLWRNORM;
|
|
|
|
|
if (tagstatus & ctx->tagwait)
|
|
|
|
|
mask |= POLLIN | POLLRDNORM;
|
|
|
|
|
|
|
|
|
|
pr_debug("%s: free %d tagstatus %d tagwait %d\n", __FUNCTION__,
|
|
|
|
|
free_elements, tagstatus, ctx->tagwait);
|
|
|
|
|
|
|
|
|
|
return mask;
|
|
|
|
|
}
|
|
|
|
|
|
2006-06-26 07:42:33 +08:00
|
|
|
|
static int spufs_mfc_flush(struct file *file, fl_owner_t id)
|
2006-03-23 07:00:11 +08:00
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
#if 0
|
|
|
|
|
/* this currently hangs */
|
|
|
|
|
ret = spufs_wait(ctx->mfc_wq,
|
|
|
|
|
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2));
|
|
|
|
|
if (ret)
|
|
|
|
|
goto out;
|
|
|
|
|
ret = spufs_wait(ctx->mfc_wq,
|
|
|
|
|
ctx->ops->read_mfc_tagstatus(ctx) == ctx->tagwait);
|
|
|
|
|
out:
|
|
|
|
|
#else
|
|
|
|
|
ret = 0;
|
|
|
|
|
#endif
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spufs_mfc_fsync(struct file *file, struct dentry *dentry,
|
|
|
|
|
int datasync)
|
|
|
|
|
{
|
2006-06-26 07:42:33 +08:00
|
|
|
|
return spufs_mfc_flush(file, NULL);
|
2006-03-23 07:00:11 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int spufs_mfc_fasync(int fd, struct file *file, int on)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
|
|
|
|
|
return fasync_helper(fd, file, on, &ctx->mfc_fasync);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_mfc_fops = {
|
|
|
|
|
.open = spufs_mfc_open,
|
|
|
|
|
.read = spufs_mfc_read,
|
|
|
|
|
.write = spufs_mfc_write,
|
|
|
|
|
.poll = spufs_mfc_poll,
|
|
|
|
|
.flush = spufs_mfc_flush,
|
|
|
|
|
.fsync = spufs_mfc_fsync,
|
|
|
|
|
.fasync = spufs_mfc_fasync,
|
2006-03-23 07:00:12 +08:00
|
|
|
|
.mmap = spufs_mfc_mmap,
|
2006-03-23 07:00:11 +08:00
|
|
|
|
};
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
static void spufs_npc_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ctx->ops->npc_write(ctx, val);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_npc_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
u64 ret;
|
2005-11-16 04:53:52 +08:00
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
ret = ctx->ops->npc_read(ctx);
|
|
|
|
|
spu_release(ctx);
|
2005-11-16 04:53:48 +08:00
|
|
|
|
return ret;
|
|
|
|
|
}
|
2006-11-21 01:44:57 +08:00
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set,
|
|
|
|
|
"0x%llx\n")
|
2005-11-16 04:53:48 +08:00
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
static void spufs_decr_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
lscsa->decr.slot[0] = (u32) val;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_decr_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
u64 ret;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
ret = lscsa->decr.slot[0];
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
|
2006-11-21 01:44:57 +08:00
|
|
|
|
"0x%llx\n")
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
|
|
|
|
static void spufs_decr_status_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
lscsa->decr_status.slot[0] = (u32) val;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_decr_status_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
u64 ret;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
ret = lscsa->decr_status.slot[0];
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get,
|
2006-11-21 01:44:57 +08:00
|
|
|
|
spufs_decr_status_set, "0x%llx\n")
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
|
|
|
|
static void spufs_event_mask_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
lscsa->event_mask.slot[0] = (u32) val;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_event_mask_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
u64 ret;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
ret = lscsa->event_mask.slot[0];
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get,
|
2006-11-21 01:44:57 +08:00
|
|
|
|
spufs_event_mask_set, "0x%llx\n")
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
2006-11-21 01:44:58 +08:00
|
|
|
|
static u64 spufs_event_status_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_state *state = &ctx->csa;
|
|
|
|
|
u64 ret = 0;
|
|
|
|
|
u64 stat;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
stat = state->spu_chnlcnt_RW[0];
|
|
|
|
|
if (stat)
|
|
|
|
|
ret = state->spu_chnldata_RW[0];
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get,
|
|
|
|
|
NULL, "0x%llx\n")
|
|
|
|
|
|
2005-11-16 04:53:52 +08:00
|
|
|
|
static void spufs_srr0_set(void *data, u64 val)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
lscsa->srr0.slot[0] = (u32) val;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static u64 spufs_srr0_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
struct spu_lscsa *lscsa = ctx->csa.lscsa;
|
|
|
|
|
u64 ret;
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
ret = lscsa->srr0.slot[0];
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
|
2006-11-21 01:44:57 +08:00
|
|
|
|
"0x%llx\n")
|
2005-11-16 04:53:52 +08:00
|
|
|
|
|
2006-06-20 02:33:24 +08:00
|
|
|
|
static u64 spufs_id_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
u64 num;
|
|
|
|
|
|
|
|
|
|
spu_acquire(ctx);
|
|
|
|
|
if (ctx->state == SPU_STATE_RUNNABLE)
|
|
|
|
|
num = ctx->spu->number;
|
|
|
|
|
else
|
|
|
|
|
num = (unsigned int)-1;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return num;
|
|
|
|
|
}
|
2006-09-23 08:37:41 +08:00
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_id_ops, spufs_id_get, NULL, "0x%llx\n")
|
2006-06-20 02:33:24 +08:00
|
|
|
|
|
2006-10-04 23:26:21 +08:00
|
|
|
|
static u64 spufs_object_id_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
return ctx->object_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void spufs_object_id_set(void *data, u64 id)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
ctx->object_id = id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get,
|
|
|
|
|
spufs_object_id_set, "0x%llx\n");
|
|
|
|
|
|
2006-11-21 01:44:58 +08:00
|
|
|
|
static u64 spufs_lslr_get(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = data;
|
|
|
|
|
u64 ret;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
ret = ctx->csa.priv2.spu_lslr_RW;
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(spufs_lslr_ops, spufs_lslr_get, NULL, "0x%llx\n")
|
|
|
|
|
|
|
|
|
|
static int spufs_info_open(struct inode *inode, struct file *file)
|
|
|
|
|
{
|
|
|
|
|
struct spufs_inode_info *i = SPUFS_I(inode);
|
|
|
|
|
struct spu_context *ctx = i->i_ctx;
|
|
|
|
|
file->private_data = ctx;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2006-11-21 01:45:00 +08:00
|
|
|
|
static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
u32 mbox_stat;
|
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
spin_lock(&ctx->csa.register_lock);
|
|
|
|
|
mbox_stat = ctx->csa.prob.mb_stat_R;
|
|
|
|
|
if (mbox_stat & 0x0000ff) {
|
|
|
|
|
data = ctx->csa.prob.pu_mb_R;
|
|
|
|
|
}
|
|
|
|
|
spin_unlock(&ctx->csa.register_lock);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return simple_read_from_buffer(buf, len, pos, &data, sizeof data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_mbox_info_fops = {
|
|
|
|
|
.open = spufs_info_open,
|
|
|
|
|
.read = spufs_mbox_info_read,
|
|
|
|
|
.llseek = generic_file_llseek,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
u32 ibox_stat;
|
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
spin_lock(&ctx->csa.register_lock);
|
|
|
|
|
ibox_stat = ctx->csa.prob.mb_stat_R;
|
|
|
|
|
if (ibox_stat & 0xff0000) {
|
|
|
|
|
data = ctx->csa.priv2.puint_mb_R;
|
|
|
|
|
}
|
|
|
|
|
spin_unlock(&ctx->csa.register_lock);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return simple_read_from_buffer(buf, len, pos, &data, sizeof data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_ibox_info_fops = {
|
|
|
|
|
.open = spufs_info_open,
|
|
|
|
|
.read = spufs_ibox_info_read,
|
|
|
|
|
.llseek = generic_file_llseek,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
int i, cnt;
|
|
|
|
|
u32 data[4];
|
|
|
|
|
u32 wbox_stat;
|
|
|
|
|
|
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
spin_lock(&ctx->csa.register_lock);
|
|
|
|
|
wbox_stat = ctx->csa.prob.mb_stat_R;
|
|
|
|
|
cnt = (wbox_stat & 0x00ff00) >> 8;
|
|
|
|
|
for (i = 0; i < cnt; i++) {
|
|
|
|
|
data[i] = ctx->csa.spu_mailbox_data[i];
|
|
|
|
|
}
|
|
|
|
|
spin_unlock(&ctx->csa.register_lock);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return simple_read_from_buffer(buf, len, pos, &data,
|
|
|
|
|
cnt * sizeof(u32));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_wbox_info_fops = {
|
|
|
|
|
.open = spufs_info_open,
|
|
|
|
|
.read = spufs_wbox_info_read,
|
|
|
|
|
.llseek = generic_file_llseek,
|
|
|
|
|
};
|
|
|
|
|
|
2006-11-21 01:44:58 +08:00
|
|
|
|
static ssize_t spufs_dma_info_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct spu_dma_info info;
|
|
|
|
|
struct mfc_cq_sr *qp, *spuqp;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
spin_lock(&ctx->csa.register_lock);
|
|
|
|
|
info.dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW;
|
|
|
|
|
info.dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0];
|
|
|
|
|
info.dma_info_status = ctx->csa.spu_chnldata_RW[24];
|
|
|
|
|
info.dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25];
|
|
|
|
|
info.dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27];
|
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
|
qp = &info.dma_info_command_data[i];
|
|
|
|
|
spuqp = &ctx->csa.priv2.spuq[i];
|
|
|
|
|
|
|
|
|
|
qp->mfc_cq_data0_RW = spuqp->mfc_cq_data0_RW;
|
|
|
|
|
qp->mfc_cq_data1_RW = spuqp->mfc_cq_data1_RW;
|
|
|
|
|
qp->mfc_cq_data2_RW = spuqp->mfc_cq_data2_RW;
|
|
|
|
|
qp->mfc_cq_data3_RW = spuqp->mfc_cq_data3_RW;
|
|
|
|
|
}
|
|
|
|
|
spin_unlock(&ctx->csa.register_lock);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
return simple_read_from_buffer(buf, len, pos, &info,
|
|
|
|
|
sizeof info);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_dma_info_fops = {
|
|
|
|
|
.open = spufs_info_open,
|
|
|
|
|
.read = spufs_dma_info_read,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf,
|
|
|
|
|
size_t len, loff_t *pos)
|
|
|
|
|
{
|
|
|
|
|
struct spu_context *ctx = file->private_data;
|
|
|
|
|
struct spu_proxydma_info info;
|
|
|
|
|
int ret = sizeof info;
|
|
|
|
|
struct mfc_cq_sr *qp, *puqp;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (len < ret)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
|
|
if (!access_ok(VERIFY_WRITE, buf, len))
|
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
|
|
spu_acquire_saved(ctx);
|
|
|
|
|
spin_lock(&ctx->csa.register_lock);
|
|
|
|
|
info.proxydma_info_type = ctx->csa.prob.dma_querytype_RW;
|
|
|
|
|
info.proxydma_info_mask = ctx->csa.prob.dma_querymask_RW;
|
|
|
|
|
info.proxydma_info_status = ctx->csa.prob.dma_tagstatus_R;
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
|
qp = &info.proxydma_info_command_data[i];
|
|
|
|
|
puqp = &ctx->csa.priv2.puq[i];
|
|
|
|
|
|
|
|
|
|
qp->mfc_cq_data0_RW = puqp->mfc_cq_data0_RW;
|
|
|
|
|
qp->mfc_cq_data1_RW = puqp->mfc_cq_data1_RW;
|
|
|
|
|
qp->mfc_cq_data2_RW = puqp->mfc_cq_data2_RW;
|
|
|
|
|
qp->mfc_cq_data3_RW = puqp->mfc_cq_data3_RW;
|
|
|
|
|
}
|
|
|
|
|
spin_unlock(&ctx->csa.register_lock);
|
|
|
|
|
spu_release(ctx);
|
|
|
|
|
|
|
|
|
|
if (copy_to_user(buf, &info, sizeof info))
|
|
|
|
|
ret = -EFAULT;
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct file_operations spufs_proxydma_info_fops = {
|
|
|
|
|
.open = spufs_info_open,
|
|
|
|
|
.read = spufs_proxydma_info_read,
|
|
|
|
|
};
|
|
|
|
|
|
2005-11-16 04:53:48 +08:00
|
|
|
|
struct tree_descr spufs_dir_contents[] = {
|
|
|
|
|
{ "mem", &spufs_mem_fops, 0666, },
|
2005-11-16 04:53:52 +08:00
|
|
|
|
{ "regs", &spufs_regs_fops, 0666, },
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{ "mbox", &spufs_mbox_fops, 0444, },
|
|
|
|
|
{ "ibox", &spufs_ibox_fops, 0444, },
|
|
|
|
|
{ "wbox", &spufs_wbox_fops, 0222, },
|
|
|
|
|
{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
|
|
|
|
|
{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
|
|
|
|
|
{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
|
|
|
|
|
{ "signal1", &spufs_signal1_fops, 0666, },
|
|
|
|
|
{ "signal2", &spufs_signal2_fops, 0666, },
|
|
|
|
|
{ "signal1_type", &spufs_signal1_type, 0666, },
|
|
|
|
|
{ "signal2_type", &spufs_signal2_type, 0666, },
|
2006-03-23 07:00:12 +08:00
|
|
|
|
{ "cntl", &spufs_cntl_fops, 0666, },
|
2005-11-16 04:53:52 +08:00
|
|
|
|
{ "fpcr", &spufs_fpcr_fops, 0666, },
|
2006-11-21 01:44:58 +08:00
|
|
|
|
{ "lslr", &spufs_lslr_ops, 0444, },
|
|
|
|
|
{ "mfc", &spufs_mfc_fops, 0666, },
|
|
|
|
|
{ "mss", &spufs_mss_fops, 0666, },
|
|
|
|
|
{ "npc", &spufs_npc_ops, 0666, },
|
|
|
|
|
{ "srr0", &spufs_srr0_ops, 0666, },
|
2005-11-16 04:53:52 +08:00
|
|
|
|
{ "decr", &spufs_decr_ops, 0666, },
|
|
|
|
|
{ "decr_status", &spufs_decr_status_ops, 0666, },
|
|
|
|
|
{ "event_mask", &spufs_event_mask_ops, 0666, },
|
2006-11-21 01:44:58 +08:00
|
|
|
|
{ "event_status", &spufs_event_status_ops, 0444, },
|
2006-10-04 23:26:11 +08:00
|
|
|
|
{ "psmap", &spufs_psmap_fops, 0666, },
|
2006-10-04 23:26:21 +08:00
|
|
|
|
{ "phys-id", &spufs_id_ops, 0666, },
|
|
|
|
|
{ "object-id", &spufs_object_id_ops, 0666, },
|
2006-11-21 01:45:00 +08:00
|
|
|
|
{ "mbox_info", &spufs_mbox_info_fops, 0444, },
|
|
|
|
|
{ "ibox_info", &spufs_ibox_info_fops, 0444, },
|
|
|
|
|
{ "wbox_info", &spufs_wbox_info_fops, 0444, },
|
2006-11-21 01:44:58 +08:00
|
|
|
|
{ "dma_info", &spufs_dma_info_fops, 0444, },
|
|
|
|
|
{ "proxydma_info", &spufs_proxydma_info_fops, 0444, },
|
2005-11-16 04:53:48 +08:00
|
|
|
|
{},
|
|
|
|
|
};
|
2006-10-25 00:31:16 +08:00
|
|
|
|
|
|
|
|
|
struct tree_descr spufs_dir_nosched_contents[] = {
|
|
|
|
|
{ "mem", &spufs_mem_fops, 0666, },
|
|
|
|
|
{ "mbox", &spufs_mbox_fops, 0444, },
|
|
|
|
|
{ "ibox", &spufs_ibox_fops, 0444, },
|
|
|
|
|
{ "wbox", &spufs_wbox_fops, 0222, },
|
|
|
|
|
{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
|
|
|
|
|
{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
|
|
|
|
|
{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
|
|
|
|
|
{ "signal1", &spufs_signal1_fops, 0666, },
|
|
|
|
|
{ "signal2", &spufs_signal2_fops, 0666, },
|
|
|
|
|
{ "signal1_type", &spufs_signal1_type, 0666, },
|
|
|
|
|
{ "signal2_type", &spufs_signal2_type, 0666, },
|
|
|
|
|
{ "mss", &spufs_mss_fops, 0666, },
|
|
|
|
|
{ "mfc", &spufs_mfc_fops, 0666, },
|
|
|
|
|
{ "cntl", &spufs_cntl_fops, 0666, },
|
|
|
|
|
{ "npc", &spufs_npc_ops, 0666, },
|
|
|
|
|
{ "psmap", &spufs_psmap_fops, 0666, },
|
|
|
|
|
{ "phys-id", &spufs_id_ops, 0666, },
|
|
|
|
|
{ "object-id", &spufs_object_id_ops, 0666, },
|
|
|
|
|
{},
|
|
|
|
|
};
|