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amd-iommu: introduce for_each_iommu* macros

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This patch introduces the for_each_iommu and for_each_iommu_safe macros
to simplify the developers life when having to iterate over all AMD
IOMMUs in the system.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2009-05-04 15:06:20 +02:00
parent 41fb454ebe
commit 3bd221724a
3 changed files with 16 additions and 8 deletions
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8
arch/x86/kernel/amd_iommu_init.c
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@@ -679,7 +679,7 @@ static void __init free_iommu_all(void)
{
struct amd_iommu *iommu, *next;
list_for_each_entry_safe(iommu, next, &amd_iommu_list, list) {
for_each_iommu_safe(iommu, next) {
list_del(&iommu->list);
free_iommu_one(iommu);
kfree(iommu);
@@ -779,7 +779,7 @@ static int __init iommu_setup_msix(struct amd_iommu *iommu)
struct msix_entry entries[32]; /* only 32 supported by AMD IOMMU */
int nvec = 0, i;
list_for_each_entry(curr, &amd_iommu_list, list) {
for_each_iommu(curr) {
if (curr->dev == iommu->dev) {
entries[nvec].entry = curr->evt_msi_num;
entries[nvec].vector = 0;
@@ -818,7 +818,7 @@ static int __init iommu_setup_msi(struct amd_iommu *iommu)
int r;
struct amd_iommu *curr;
list_for_each_entry(curr, &amd_iommu_list, list) {
for_each_iommu(curr) {
if (curr->dev == iommu->dev)
curr->int_enabled = true;
}
@@ -971,7 +971,7 @@ static void __init enable_iommus(void)
{
struct amd_iommu *iommu;
list_for_each_entry(iommu, &amd_iommu_list, list) {
for_each_iommu(iommu) {
iommu_set_exclusion_range(iommu);
iommu_init_msi(iommu);
iommu_enable_event_logging(iommu);