The default geometry is the same as the one set by qman_port given
that FSL_PAMU depends on having 64-bit physical and thus DMA addresses.
Remove the support to update the geometry and remove the now pointless
geom_size field.
Signed-off-by: Christoph Hellwig
Acked-by: Li Yang
---
drivers/iommu/fsl_pamu_domain.c | 55 +++--
drivers/iommu/fsl_pamu_domain.h | 6
drivers/soc/fsl/qbman/qman_portal.c | 12 ---
3 files changed, 5 insertions(+), 68 deletions(-)
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index e587ec43f7e750..7bd08ddad07779 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -62,7 +62,7 @@ static phys_addr_t get_phys_addr(struct fsl_dma_domain
*dma_domain, dma_addr_t i
geom = _domain->iommu_domain.geometry;
- if (!win_cnt || !dma_domain->geom_size) {
+ if (!win_cnt) {
pr_debug("Number of windows/geometry not configured for the
domain\n");
return 0;
}
@@ -72,7 +72,7 @@ static phys_addr_t get_phys_addr(struct fsl_dma_domain
*dma_domain, dma_addr_t i
dma_addr_t subwin_iova;
u32 wnd;
- subwin_size = dma_domain->geom_size >> ilog2(win_cnt);
+ subwin_size = (geom->aperture_end + 1) >> ilog2(win_cnt);
subwin_iova = iova & ~(subwin_size - 1);
wnd = (subwin_iova - geom->aperture_start) >>
ilog2(subwin_size);
win_ptr = _domain->win_arr[wnd];
@@ -234,7 +234,7 @@ static int pamu_set_liodn(int liodn, struct device *dev,
get_ome_index(_index, dev);
window_addr = geom_attr->aperture_start;
- window_size = dma_domain->geom_size;
+ window_size = geom_attr->aperture_end + 1;
spin_lock_irqsave(_lock, flags);
ret = pamu_disable_liodn(liodn);
@@ -303,7 +303,6 @@ static struct fsl_dma_domain *iommu_alloc_dma_domain(void)
domain->stash_id = ~(u32)0;
domain->snoop_id = ~(u32)0;
domain->win_cnt = pamu_get_max_subwin_cnt();
- domain->geom_size = 0;
INIT_LIST_HEAD(>devices);
@@ -502,7 +501,8 @@ static int fsl_pamu_window_enable(struct iommu_domain
*domain, u32 wnd_nr,
return -EINVAL;
}
- win_size = dma_domain->geom_size >> ilog2(dma_domain->win_cnt);
+ win_size = (domain->geometry.aperture_end + 1) >>
+ ilog2(dma_domain->win_cnt);
if (size > win_size) {
pr_debug("Invalid window size\n");
spin_unlock_irqrestore(_domain->domain_lock, flags);
@@ -665,41 +665,6 @@ static void fsl_pamu_detach_device(struct iommu_domain
*domain,
pr_debug("missing fsl,liodn property at %pOF\n", dev->of_node);
}
-static int configure_domain_geometry(struct iommu_domain *domain, void *data)
-{
- struct iommu_domain_geometry *geom_attr = data;
- struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain);
- dma_addr_t geom_size;
- unsigned long flags;
-
- geom_size = geom_attr->aperture_end - geom_attr->aperture_start + 1;
- /*
-* Sanity check the geometry size. Also, we do not support
-* DMA outside of the geometry.
-*/
- if (check_size(geom_size, geom_attr->aperture_start) ||
- !geom_attr->force_aperture) {
- pr_debug("Invalid PAMU geometry attributes\n");
- return -EINVAL;
- }
-
- spin_lock_irqsave(_domain->domain_lock, flags);
- if (dma_domain->enabled) {
- pr_debug("Can't set geometry attributes as domain is active\n");
- spin_unlock_irqrestore(_domain->domain_lock, flags);
- return -EBUSY;
- }
-
- /* Copy the domain geometry information */
- memcpy(>geometry, geom_attr,
- sizeof(struct iommu_domain_geometry));
- dma_domain->geom_size = geom_size;
-
- spin_unlock_irqrestore(_domain->domain_lock, flags);
-
- return 0;
-}
-
/* Set the domain stash attribute */
static int configure_domain_stash(struct fsl_dma_domain *dma_domain, void
*data)
{
@@ -769,13 +734,6 @@ static int fsl_pamu_set_windows(struct iommu_domain
*domain, u32 w_count)
return -EBUSY;
}
- /* Ensure that the geometry has been set for the domain */
- if (!dma_domain->geom_size) {
- pr_debug("Please configure geometry before setting the number
of windows\n");
- spin_unlock_irqrestore(_domain->domain_lock, flags);
- return -EINVAL;
- }
-
/*
* Ensure we have valid window count i.e. it should be less than
* maximum permissible limit and should be a power of two.
@@ -811,9 +769,6 @@ static int fsl_pamu_set_domain_attr(struct iommu_domain
*domain,
int ret = 0;
switch (attr_type) {
- case DOMAIN_ATTR_GEOMETRY:
- ret =
