diff options
Diffstat (limited to 'drivers/staging/hv/osd.c')
-rw-r--r-- | drivers/staging/hv/osd.c | 108 |
1 files changed, 37 insertions, 71 deletions
diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 8c3eb278a81..b5a3940331b 100644 --- a/drivers/staging/hv/osd.c +++ b/drivers/staging/hv/osd.c @@ -43,13 +43,7 @@ #include <linux/slab.h> #include "osd.h" -struct osd_callback_struct { - struct work_struct work; - void (*callback)(void *); - void *data; -}; - -void *osd_VirtualAllocExec(unsigned int size) +void *osd_virtual_alloc_exec(unsigned int size) { #ifdef __x86_64__ return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL_EXEC); @@ -60,7 +54,7 @@ void *osd_VirtualAllocExec(unsigned int size) } /** - * osd_PageAlloc() - Allocate pages + * osd_page_alloc() - Allocate pages * @count: Total number of Kernel pages you want to allocate * * Tries to allocate @count number of consecutive free kernel pages. @@ -68,7 +62,7 @@ void *osd_VirtualAllocExec(unsigned int size) * If successfull it will return pointer to the @count pages. * Mainly used by Hyper-V drivers. */ -void *osd_PageAlloc(unsigned int count) +void *osd_page_alloc(unsigned int count) { void *p; @@ -85,26 +79,26 @@ void *osd_PageAlloc(unsigned int count) /* if (p) memset(p, 0, PAGE_SIZE); */ /* return p; */ } -EXPORT_SYMBOL_GPL(osd_PageAlloc); +EXPORT_SYMBOL_GPL(osd_page_alloc); /** - * osd_PageFree() - Free pages + * osd_page_free() - Free pages * @page: Pointer to the first page to be freed * @count: Total number of Kernel pages you free * - * Frees the pages allocated by osd_PageAlloc() + * Frees the pages allocated by osd_page_alloc() * Mainly used by Hyper-V drivers. */ -void osd_PageFree(void *page, unsigned int count) +void osd_page_free(void *page, unsigned int count) { free_pages((unsigned long)page, get_order(count * PAGE_SIZE)); /*struct page* p = virt_to_page(page); __free_page(p);*/ } -EXPORT_SYMBOL_GPL(osd_PageFree); +EXPORT_SYMBOL_GPL(osd_page_free); /** - * osd_WaitEventCreate() - Create the event queue + * osd_waitevent_create() - Create the event queue * * Allocates memory for a &struct osd_waitevent. And then calls * init_waitqueue_head to set up the wait queue for the event. @@ -114,7 +108,7 @@ EXPORT_SYMBOL_GPL(osd_PageFree); * Returns pointer to &struct osd_waitevent * Mainly used by Hyper-V drivers. */ -struct osd_waitevent *osd_WaitEventCreate(void) +struct osd_waitevent *osd_waitevent_create(void) { struct osd_waitevent *wait = kmalloc(sizeof(struct osd_waitevent), GFP_KERNEL); @@ -125,14 +119,14 @@ struct osd_waitevent *osd_WaitEventCreate(void) init_waitqueue_head(&wait->event); return wait; } -EXPORT_SYMBOL_GPL(osd_WaitEventCreate); +EXPORT_SYMBOL_GPL(osd_waitevent_create); /** - * osd_WaitEventSet() - Wake up the process - * @waitEvent: Structure to event to be woken up + * osd_waitevent_set() - Wake up the process + * @wait_event: Structure to event to be woken up * - * @waitevent is of type &struct osd_waitevent + * @wait_event is of type &struct osd_waitevent * * Wake up the sleeping process so it can do some work. * And set condition indicator in &struct osd_waitevent to indicate @@ -140,18 +134,18 @@ EXPORT_SYMBOL_GPL(osd_WaitEventCreate); * * Only used by Network and Storage Hyper-V drivers. */ -void osd_WaitEventSet(struct osd_waitevent *waitEvent) +void osd_waitevent_set(struct osd_waitevent *wait_event) { - waitEvent->condition = 1; - wake_up_interruptible(&waitEvent->event); + wait_event->condition = 1; + wake_up_interruptible(&wait_event->event); } -EXPORT_SYMBOL_GPL(osd_WaitEventSet); +EXPORT_SYMBOL_GPL(osd_waitevent_set); /** - * osd_WaitEventWait() - Wait for event till condition is true - * @waitEvent: Structure to event to be put to sleep + * osd_waitevent_wait() - Wait for event till condition is true + * @wait_event: Structure to event to be put to sleep * - * @waitevent is of type &struct osd_waitevent + * @wait_event is of type &struct osd_waitevent * * Set up the process to sleep until waitEvent->condition get true. * And set condition indicator in &struct osd_waitevent to indicate @@ -161,25 +155,25 @@ EXPORT_SYMBOL_GPL(osd_WaitEventSet); * * Mainly used by Hyper-V drivers. */ -int osd_WaitEventWait(struct osd_waitevent *waitEvent) +int osd_waitevent_wait(struct osd_waitevent *wait_event) { int ret = 0; - ret = wait_event_interruptible(waitEvent->event, - waitEvent->condition); - waitEvent->condition = 0; + ret = wait_event_interruptible(wait_event->event, + wait_event->condition); + wait_event->condition = 0; return ret; } -EXPORT_SYMBOL_GPL(osd_WaitEventWait); +EXPORT_SYMBOL_GPL(osd_waitevent_wait); /** - * osd_WaitEventWaitEx() - Wait for event or timeout for process wakeup - * @waitEvent: Structure to event to be put to sleep - * @TimeoutInMs: Total number of Milliseconds to wait before waking up + * osd_waitevent_waitex() - Wait for event or timeout for process wakeup + * @wait_event: Structure to event to be put to sleep + * @timeout_in_ms: Total number of Milliseconds to wait before waking up * - * @waitevent is of type &struct osd_waitevent + * @wait_event is of type &struct osd_waitevent * Set up the process to sleep until @waitEvent->condition get true or - * @TimeoutInMs (Time out in Milliseconds) has been reached. + * @timeout_in_ms (Time out in Milliseconds) has been reached. * And set condition indicator in &struct osd_waitevent to indicate * the process is in a sleeping state. * @@ -187,42 +181,14 @@ EXPORT_SYMBOL_GPL(osd_WaitEventWait); * * Mainly used by Hyper-V drivers. */ -int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs) +int osd_waitevent_waitex(struct osd_waitevent *wait_event, u32 timeout_in_ms) { int ret = 0; - ret = wait_event_interruptible_timeout(waitEvent->event, - waitEvent->condition, - msecs_to_jiffies(TimeoutInMs)); - waitEvent->condition = 0; + ret = wait_event_interruptible_timeout(wait_event->event, + wait_event->condition, + msecs_to_jiffies(timeout_in_ms)); + wait_event->condition = 0; return ret; } -EXPORT_SYMBOL_GPL(osd_WaitEventWaitEx); - -static void osd_callback_work(struct work_struct *work) -{ - struct osd_callback_struct *cb = container_of(work, - struct osd_callback_struct, - work); - (cb->callback)(cb->data); - kfree(cb); -} - -int osd_schedule_callback(struct workqueue_struct *wq, - void (*func)(void *), - void *data) -{ - struct osd_callback_struct *cb; - - cb = kmalloc(sizeof(*cb), GFP_KERNEL); - if (!cb) { - printk(KERN_ERR "unable to allocate memory in osd_schedule_callback\n"); - return -1; - } - - cb->callback = func; - cb->data = data; - INIT_WORK(&cb->work, osd_callback_work); - return queue_work(wq, &cb->work); -} - +EXPORT_SYMBOL_GPL(osd_waitevent_waitex); |