diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-05-11 01:42:00 -0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-05-23 08:15:51 +0200 |
| commit | 3006b15b364a34a2a19b45bb2948dd6a83c5e1fe (patch) | |
| tree | 8a2e7c307e703d3d8427b44efd75c6eb8e4cdf3e /drivers/iommu | |
| parent | 4db0e5f8875ef12be6e946770ed7ef0b9c2b80ff (diff) | |
iommu: Add for_each_group_device()
Convenience macro to iterate over every struct group_device in the group.
Replace all open coded list_for_each_entry's with this macro.
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/2-v5-1b99ae392328+44574-iommu_err_unwind_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/iommu.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index aab956f1c3ab..e806f4c781df 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -68,6 +68,10 @@ struct group_device { char *name; }; +/* Iterate over each struct group_device in a struct iommu_group */ +#define for_each_group_device(group, pos) \ + list_for_each_entry(pos, &(group)->devices, list) + struct iommu_group_attribute { struct attribute attr; ssize_t (*show)(struct iommu_group *group, char *buf); @@ -468,7 +472,7 @@ __iommu_group_remove_device(struct iommu_group *group, struct device *dev) struct group_device *device; lockdep_assert_held(&group->mutex); - list_for_each_entry(device, &group->devices, list) { + for_each_group_device(group, device) { if (device->dev == dev) { list_del(&device->list); return device; @@ -707,7 +711,7 @@ int iommu_get_group_resv_regions(struct iommu_group *group, int ret = 0; mutex_lock(&group->mutex); - list_for_each_entry(device, &group->devices, list) { + for_each_group_device(group, device) { struct list_head dev_resv_regions; /* @@ -1131,7 +1135,7 @@ static int __iommu_group_for_each_dev(struct iommu_group *group, void *data, struct group_device *device; int ret = 0; - list_for_each_entry(device, &group->devices, list) { + for_each_group_device(group, device) { ret = fn(device->dev, data); if (ret) break; @@ -1935,7 +1939,7 @@ bool iommu_group_has_isolated_msi(struct iommu_group *group) bool ret = true; mutex_lock(&group->mutex); - list_for_each_entry(group_dev, &group->devices, list) + for_each_group_device(group, group_dev) ret &= msi_device_has_isolated_msi(group_dev->dev); mutex_unlock(&group->mutex); return ret; @@ -3243,7 +3247,7 @@ static int __iommu_set_group_pasid(struct iommu_domain *domain, struct group_device *device; int ret = 0; - list_for_each_entry(device, &group->devices, list) { + for_each_group_device(group, device) { ret = domain->ops->set_dev_pasid(domain, device->dev, pasid); if (ret) break; @@ -3258,7 +3262,7 @@ static void __iommu_remove_group_pasid(struct iommu_group *group, struct group_device *device; const struct iommu_ops *ops; - list_for_each_entry(device, &group->devices, list) { + for_each_group_device(group, device) { ops = dev_iommu_ops(device->dev); ops->remove_dev_pasid(device->dev, pasid); } |