#ifndef __DRM_GEM_CMA_HELPER_H__
#define __DRM_GEM_CMA_HELPER_H__

#include <drm/drmP.h>
#include <drm/drm_gem.h>

/**
 * struct drm_gem_cma_object - GEM object backed by CMA memory allocations
 * @base: base GEM object
 * @paddr: physical address of the backing memory
 * @sgt: scatter/gather table for imported PRIME buffers
 * @vaddr: kernel virtual address of the backing memory
 */
struct drm_gem_cma_object {
	struct drm_gem_object base;
	dma_addr_t paddr;
	struct sg_table *sgt;

	/* For objects with DMA memory allocated by GEM CMA */
	void *vaddr;
};

static inline struct drm_gem_cma_object *
to_drm_gem_cma_obj(struct drm_gem_object *gem_obj)
{
	return container_of(gem_obj, struct drm_gem_cma_object, base);
}

/* free GEM object */
void drm_gem_cma_free_object(struct drm_gem_object *gem_obj);

/* create memory region for DRM framebuffer */
int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
				     struct drm_device *drm,
				     struct drm_mode_create_dumb *args);

/* create memory region for DRM framebuffer */
int drm_gem_cma_dumb_create(struct drm_file *file_priv,
			    struct drm_device *drm,
			    struct drm_mode_create_dumb *args);

/* map memory region for DRM framebuffer to user space */
int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv,
				struct drm_device *drm, u32 handle,
				u64 *offset);

/* set vm_flags and we can change the VM attribute to other one at here */
int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma);

/* allocate physical memory */
struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
					      size_t size);

extern const struct vm_operations_struct drm_gem_cma_vm_ops;

#ifdef CONFIG_DEBUG_FS
void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m);
#endif

struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *
drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
				  struct dma_buf_attachment *attach,
				  struct sg_table *sgt);
int drm_gem_cma_prime_mmap(struct drm_gem_object *obj,
			   struct vm_area_struct *vma);
void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj);
void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr);

#endif /* __DRM_GEM_CMA_HELPER_H__ */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=9e3596b0c6539e28546ff7c72a06576627068353'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=9e3596b0c6539e28546ff7c72a06576627068353'>include</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='9e3596b0c6539e28546ff7c72a06576627068353'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Nicholas Piggin &lt;npiggin@gmail.com&gt;</td><td class='right'>2017-01-05 20:29:36 +1000</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-05 09:40:16 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include?id=9e3596b0c6539e28546ff7c72a06576627068353'>9e3596b0c6539e28546ff7c72a06576627068353</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include?id=9e3596b0c6539e28546ff7c72a06576627068353'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=9e3596b0c6539e28546ff7c72a06576627068353'>1c150c70bb2f1d2d3960f48c06eebe2d63078e1e</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include?id=9e3596b0c6539e28546ff7c72a06576627068353'>include</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include?id=ae30ab4cd711a147cafaf5674c333c5a84fe53fb'>ae30ab4cd711a147cafaf5674c333c5a84fe53fb</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include?id=9e3596b0c6539e28546ff7c72a06576627068353&amp;id2=ae30ab4cd711a147cafaf5674c333c5a84fe53fb'>diff</a>)</td></tr></table>
<div class='commit-subject'>kbuild: initramfs cleanup, set target from Kconfig</div><div class='commit-msg'>Rather than keep a list of all possible compression types in the
Makefile, set the target explicitly from Kconfig.

Reviewed-by: Francisco Blas Izquierdo Riera (klondike) &lt;klondike@klondike.es&gt;
Signed-off-by: Nicholas Piggin &lt;npiggin@gmail.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=9e3596b0c6539e28546ff7c72a06576627068353'>Diffstat</a> (limited to 'include')</div><table summary='diffstat' class='diffstat'>