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iommu/omap: Move data structures to omap-iommu.h

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The internal data-structures are scattered over various
header and C files. Consolidate them in omap-iommu.h.

While at this, add the kerneldoc comment for the missing
iommu domain variable and revise the iommu_arch_data name.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
[s-anna@ti.com: revise kerneldoc comments]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel
2017-04-12 00:21:28 -05:00
parent 49a57ef7f8
commit e73b7afe4e
3 changed files with 33 additions and 33 deletions
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33
drivers/iommu/omap-iommu.h
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@@ -14,6 +14,7 @@
#define _OMAP_IOMMU_H
#include <linux/bitops.h>
#include <linux/iommu.h>
#define for_each_iotlb_cr(obj, n, __i, cr) \
for (__i = 0; \
@@ -27,6 +28,23 @@ struct iotlb_entry {
u32 endian, elsz, mixed;
};
/**
* struct omap_iommu_domain - omap iommu domain
* @pgtable: the page table
* @iommu_dev: an omap iommu device attached to this domain. only a single
* iommu device can be attached for now.
* @dev: Device using this domain.
* @lock: domain lock, should be taken when attaching/detaching
* @domain: generic domain handle used by iommu core code
*/
struct omap_iommu_domain {
u32 *pgtable;
struct omap_iommu *iommu_dev;
struct device *dev;
spinlock_t lock;
struct iommu_domain domain;
};
struct omap_iommu {
const char *name;
void __iomem *regbase;
@@ -52,6 +70,21 @@ struct omap_iommu {
u32 id;
};
/**
* struct omap_iommu_arch_data - omap iommu private data
* @name: name of the iommu device
* @iommu_dev: handle of the iommu device
*
* This is an omap iommu private data object, which binds an iommu user
* to its iommu device. This object should be placed at the iommu user's
* dev_archdata so generic IOMMU API can be used without having to
* utilize omap-specific plumbing anymore.
*/
struct omap_iommu_arch_data {
const char *name;
struct omap_iommu *iommu_dev;
};
struct cr_regs {
u32 cam;
u32 ram;