diff options
author | Michael Neuling <mikey@neuling.org> | 2015-05-27 16:07:17 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-06-03 13:27:20 +1000 |
commit | 0520336afe5de76324c73f793bc40732e5c13359 (patch) | |
tree | ea2866229b78e320a4e24616b5d8881fb294e390 /drivers/misc | |
parent | ec249dd860ed88e15b3e2bd363cbfc76ba8c1884 (diff) |
cxl: Export file ops for use by API
The cxl kernel API will allow drivers other than cxl to export a file
descriptor which has the same userspace API. These file descriptors will be
able to be used against libcxl.
This exports those file ops for use by other drivers.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/cxl/cxl.h | 9 | ||||
-rw-r--r-- | drivers/misc/cxl/file.c | 23 |
2 files changed, 23 insertions, 9 deletions
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 46d806e3b943..2ec8e96e2de3 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -18,6 +18,7 @@ #include <linux/pid.h> #include <linux/io.h> #include <linux/pci.h> +#include <linux/fs.h> #include <asm/cputable.h> #include <asm/mmu.h> #include <asm/reg.h> @@ -674,4 +675,12 @@ void cxl_stop_trace(struct cxl *cxl); extern struct pci_driver cxl_pci_driver; int afu_allocate_irqs(struct cxl_context *ctx, u32 count); +int afu_open(struct inode *inode, struct file *file); +int afu_release(struct inode *inode, struct file *file); +long afu_ioctl(struct file *file, unsigned int cmd, unsigned long arg); +int afu_mmap(struct file *file, struct vm_area_struct *vm); +unsigned int afu_poll(struct file *file, struct poll_table_struct *poll); +ssize_t afu_read(struct file *file, char __user *buf, size_t count, loff_t *off); +extern const struct file_operations afu_fops; + #endif diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index c16bd6fa06ed..e3f4b69527a9 100644 --- a/drivers/misc/cxl/file.c +++ b/drivers/misc/cxl/file.c @@ -96,7 +96,8 @@ err_put_adapter: put_device(&adapter->dev); return rc; } -static int afu_open(struct inode *inode, struct file *file) + +int afu_open(struct inode *inode, struct file *file) { return __afu_open(inode, file, false); } @@ -106,7 +107,7 @@ static int afu_master_open(struct inode *inode, struct file *file) return __afu_open(inode, file, true); } -static int afu_release(struct inode *inode, struct file *file) +int afu_release(struct inode *inode, struct file *file) { struct cxl_context *ctx = file->private_data; @@ -230,7 +231,7 @@ static long afu_ioctl_get_afu_id(struct cxl_context *ctx, return 0; } -static long afu_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +long afu_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct cxl_context *ctx = file->private_data; @@ -250,13 +251,13 @@ static long afu_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return -EINVAL; } -static long afu_compat_ioctl(struct file *file, unsigned int cmd, +long afu_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { return afu_ioctl(file, cmd, arg); } -static int afu_mmap(struct file *file, struct vm_area_struct *vm) +int afu_mmap(struct file *file, struct vm_area_struct *vm) { struct cxl_context *ctx = file->private_data; @@ -267,7 +268,7 @@ static int afu_mmap(struct file *file, struct vm_area_struct *vm) return cxl_context_iomap(ctx, vm); } -static unsigned int afu_poll(struct file *file, struct poll_table_struct *poll) +unsigned int afu_poll(struct file *file, struct poll_table_struct *poll) { struct cxl_context *ctx = file->private_data; int mask = 0; @@ -299,7 +300,7 @@ static inline int ctx_event_pending(struct cxl_context *ctx) ctx->pending_afu_err || (ctx->status == CLOSED)); } -static ssize_t afu_read(struct file *file, char __user *buf, size_t count, +ssize_t afu_read(struct file *file, char __user *buf, size_t count, loff_t *off) { struct cxl_context *ctx = file->private_data; @@ -380,7 +381,11 @@ out: return rc; } -static const struct file_operations afu_fops = { +/* + * Note: if this is updated, we need to update api.c to patch the new ones in + * too + */ +const struct file_operations afu_fops = { .owner = THIS_MODULE, .open = afu_open, .poll = afu_poll, @@ -391,7 +396,7 @@ static const struct file_operations afu_fops = { .mmap = afu_mmap, }; -static const struct file_operations afu_master_fops = { +const struct file_operations afu_master_fops = { .owner = THIS_MODULE, .open = afu_master_open, .poll = afu_poll, |