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iommu/amd: Move get_device_id() and friends to beginning of file

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They will be needed there later.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2016-04-21 18:24:02 +02:00
parent 9ee35e4c6f
commit fd6c50ee3a
1 changed files with 54 additions and 54 deletions
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108
drivers/iommu/amd_iommu.c
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@ -164,60 +164,6 @@ struct dma_ops_domain {
*
****************************************************************************/
static struct protection_domain *to_pdomain(struct iommu_domain *dom)
{
return container_of(dom, struct protection_domain, domain);
}
static struct iommu_dev_data *alloc_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
unsigned long flags;
dev_data = kzalloc(sizeof(*dev_data), GFP_KERNEL);
if (!dev_data)
return NULL;
dev_data->devid = devid;
spin_lock_irqsave(&dev_data_list_lock, flags);
list_add_tail(&dev_data->dev_data_list, &dev_data_list);
spin_unlock_irqrestore(&dev_data_list_lock, flags);
return dev_data;
}
static struct iommu_dev_data *search_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
unsigned long flags;
spin_lock_irqsave(&dev_data_list_lock, flags);
list_for_each_entry(dev_data, &dev_data_list, dev_data_list) {
if (dev_data->devid == devid)
goto out_unlock;
}
dev_data = NULL;
out_unlock:
spin_unlock_irqrestore(&dev_data_list_lock, flags);
return dev_data;
}
static struct iommu_dev_data *find_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
dev_data = search_dev_data(devid);
if (dev_data == NULL)
dev_data = alloc_dev_data(devid);
return dev_data;
}
static inline int match_hid_uid(struct device *dev,
struct acpihid_map_entry *entry)
{
@ -272,6 +218,60 @@ static inline int get_device_id(struct device *dev)
return devid;
}
static struct protection_domain *to_pdomain(struct iommu_domain *dom)
{
return container_of(dom, struct protection_domain, domain);
}
static struct iommu_dev_data *alloc_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
unsigned long flags;
dev_data = kzalloc(sizeof(*dev_data), GFP_KERNEL);
if (!dev_data)
return NULL;
dev_data->devid = devid;
spin_lock_irqsave(&dev_data_list_lock, flags);
list_add_tail(&dev_data->dev_data_list, &dev_data_list);
spin_unlock_irqrestore(&dev_data_list_lock, flags);
return dev_data;
}
static struct iommu_dev_data *search_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
unsigned long flags;
spin_lock_irqsave(&dev_data_list_lock, flags);
list_for_each_entry(dev_data, &dev_data_list, dev_data_list) {
if (dev_data->devid == devid)
goto out_unlock;
}
dev_data = NULL;
out_unlock:
spin_unlock_irqrestore(&dev_data_list_lock, flags);
return dev_data;
}
static struct iommu_dev_data *find_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
dev_data = search_dev_data(devid);
if (dev_data == NULL)
dev_data = alloc_dev_data(devid);
return dev_data;
}
static struct iommu_dev_data *get_dev_data(struct device *dev)
{
return dev->archdata.iommu;