diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/file.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/file.c | 104 |
1 files changed, 25 insertions, 79 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index a35e2c29d7ee..ae2f740a82f1 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -233,8 +233,9 @@ spufs_mem_write(struct file *file, const char __user *buffer, } static int -spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_mem_mmap_fault(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; struct spu_context *ctx = vma->vm_file->private_data; unsigned long pfn, offset; @@ -311,12 +312,11 @@ static const struct file_operations spufs_mem_fops = { .mmap = spufs_mem_mmap, }; -static int spufs_ps_fault(struct vm_area_struct *vma, - struct vm_fault *vmf, +static int spufs_ps_fault(struct vm_fault *vmf, unsigned long ps_offs, unsigned long ps_size) { - struct spu_context *ctx = vma->vm_file->private_data; + struct spu_context *ctx = vmf->vma->vm_file->private_data; unsigned long area, offset = vmf->pgoff << PAGE_SHIFT; int ret = 0; @@ -354,7 +354,7 @@ static int spufs_ps_fault(struct vm_area_struct *vma, down_read(¤t->mm->mmap_sem); } else { area = ctx->spu->problem_phys + ps_offs; - vm_insert_pfn(vma, vmf->address, (area + offset) >> PAGE_SHIFT); + vm_insert_pfn(vmf->vma, vmf->address, (area + offset) >> PAGE_SHIFT); spu_context_trace(spufs_ps_fault__insert, ctx, ctx->spu); } @@ -367,10 +367,9 @@ refault: } #if SPUFS_MMAP_4K -static int spufs_cntl_mmap_fault(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int spufs_cntl_mmap_fault(struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x4000, SPUFS_CNTL_MAP_SIZE); + return spufs_ps_fault(vmf, 0x4000, SPUFS_CNTL_MAP_SIZE); } static const struct vm_operations_struct spufs_cntl_mmap_vmops = { @@ -684,23 +683,13 @@ size_t spu_ibox_read(struct spu_context *ctx, u32 *data) return ctx->ops->ibox_read(ctx, data); } -static int spufs_ibox_fasync(int fd, struct file *file, int on) -{ - struct spu_context *ctx = file->private_data; - - return fasync_helper(fd, file, on, &ctx->ibox_fasync); -} - /* interrupt-level ibox callback function. */ void spufs_ibox_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; - if (!ctx) - return; - - wake_up_all(&ctx->ibox_wq); - kill_fasync(&ctx->ibox_fasync, SIGIO, POLLIN); + if (ctx) + wake_up_all(&ctx->ibox_wq); } /* @@ -795,7 +784,6 @@ static const struct file_operations spufs_ibox_fops = { .open = spufs_pipe_open, .read = spufs_ibox_read, .poll = spufs_ibox_poll, - .fasync = spufs_ibox_fasync, .llseek = no_llseek, }; @@ -833,26 +821,13 @@ size_t spu_wbox_write(struct spu_context *ctx, u32 data) return ctx->ops->wbox_write(ctx, data); } -static int spufs_wbox_fasync(int fd, struct file *file, int on) -{ - struct spu_context *ctx = file->private_data; - int ret; - - ret = fasync_helper(fd, file, on, &ctx->wbox_fasync); - - return ret; -} - /* interrupt-level wbox callback function. */ void spufs_wbox_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; - if (!ctx) - return; - - wake_up_all(&ctx->wbox_wq); - kill_fasync(&ctx->wbox_fasync, SIGIO, POLLOUT); + if (ctx) + wake_up_all(&ctx->wbox_wq); } /* @@ -945,7 +920,6 @@ static const struct file_operations spufs_wbox_fops = { .open = spufs_pipe_open, .write = spufs_wbox_write, .poll = spufs_wbox_poll, - .fasync = spufs_wbox_fasync, .llseek = no_llseek, }; @@ -1067,15 +1041,15 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, } static int -spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_signal1_mmap_fault(struct vm_fault *vmf) { #if SPUFS_SIGNAL_MAP_SIZE == 0x1000 - return spufs_ps_fault(vma, vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE); + return spufs_ps_fault(vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE); #elif SPUFS_SIGNAL_MAP_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); + return spufs_ps_fault(vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); #else #error unsupported page size #endif @@ -1205,15 +1179,15 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, #if SPUFS_MMAP_4K static int -spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_signal2_mmap_fault(struct vm_fault *vmf) { #if SPUFS_SIGNAL_MAP_SIZE == 0x1000 - return spufs_ps_fault(vma, vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE); + return spufs_ps_fault(vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE); #elif SPUFS_SIGNAL_MAP_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); + return spufs_ps_fault(vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); #else #error unsupported page size #endif @@ -1334,9 +1308,9 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, #if SPUFS_MMAP_4K static int -spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_mss_mmap_fault(struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_MSS_MAP_SIZE); + return spufs_ps_fault(vmf, 0x0000, SPUFS_MSS_MAP_SIZE); } static const struct vm_operations_struct spufs_mss_mmap_vmops = { @@ -1396,9 +1370,9 @@ static const struct file_operations spufs_mss_fops = { }; static int -spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_psmap_mmap_fault(struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_PS_MAP_SIZE); + return spufs_ps_fault(vmf, 0x0000, SPUFS_PS_MAP_SIZE); } static const struct vm_operations_struct spufs_psmap_mmap_vmops = { @@ -1456,9 +1430,9 @@ static const struct file_operations spufs_psmap_fops = { #if SPUFS_MMAP_4K static int -spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +spufs_mfc_mmap_fault(struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x3000, SPUFS_MFC_MAP_SIZE); + return spufs_ps_fault(vmf, 0x3000, SPUFS_MFC_MAP_SIZE); } static const struct vm_operations_struct spufs_mfc_mmap_vmops = { @@ -1521,28 +1495,8 @@ void spufs_mfc_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; - if (!ctx) - return; - - wake_up_all(&ctx->mfc_wq); - - pr_debug("%s %s\n", __func__, 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); - } + if (ctx) + wake_up_all(&ctx->mfc_wq); } static int spufs_read_mfc_tagstatus(struct spu_context *ctx, u32 *status) @@ -1804,13 +1758,6 @@ static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int data return err; } -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 const struct file_operations spufs_mfc_fops = { .open = spufs_mfc_open, .release = spufs_mfc_release, @@ -1819,7 +1766,6 @@ static const struct file_operations spufs_mfc_fops = { .poll = spufs_mfc_poll, .flush = spufs_mfc_flush, .fsync = spufs_mfc_fsync, - .fasync = spufs_mfc_fasync, .mmap = spufs_mfc_mmap, .llseek = no_llseek, }; |