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authorRobin Murphy <robin.murphy@arm.com>2022-04-05 15:35:59 +0100
committerJason Gunthorpe <jgg@nvidia.com>2022-04-08 14:20:20 -0300
commitcc97c6d94ed536020ab26d5c2951958a3735f4c6 (patch)
tree0c6120b5af9263b7a637ed9236a7daea15cc9538 /drivers
parentd9539fb7c21ef5f47db0aeed0c32588479e32184 (diff)
downloadlinux-cc97c6d94ed536020ab26d5c2951958a3735f4c6.tar.bz2
RDMA/usnic: Refactor usnic_uiom_alloc_pd()
Rather than hard-coding pci_bus_type, pass the PF device through to usnic_uiom_alloc_pd() and retrieve its bus there. This prepares for iommu_domain_alloc() changing to take a device rather than a bus_type. Link: https://lore.kernel.org/r/ef607cb3f5a09920b86971b8c8e60af8c647457e.1649169359.git.robin.murphy@arm.com Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_verbs.c3
-rw-r--r--drivers/infiniband/hw/usnic/usnic_uiom.c5
-rw-r--r--drivers/infiniband/hw/usnic/usnic_uiom.h2
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 71fa7dc3cc6a..6e8c4fbb8083 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -443,7 +443,7 @@ int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct usnic_ib_pd *pd = to_upd(ibpd);
- pd->umem_pd = usnic_uiom_alloc_pd();
+ pd->umem_pd = usnic_uiom_alloc_pd(ibpd->device->dev.parent);
if (IS_ERR(pd->umem_pd))
return PTR_ERR(pd->umem_pd);
@@ -707,4 +707,3 @@ int usnic_ib_mmap(struct ib_ucontext *context,
usnic_err("No VF %u found\n", vfid);
return -EINVAL;
}
-
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index 8c48027614a1..e212929369df 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -40,7 +40,6 @@
#include <linux/iommu.h>
#include <linux/workqueue.h>
#include <linux/list.h>
-#include <linux/pci.h>
#include <rdma/ib_verbs.h>
#include "usnic_log.h"
@@ -439,7 +438,7 @@ void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr)
__usnic_uiom_release_tail(uiomr);
}
-struct usnic_uiom_pd *usnic_uiom_alloc_pd(void)
+struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev)
{
struct usnic_uiom_pd *pd;
void *domain;
@@ -448,7 +447,7 @@ struct usnic_uiom_pd *usnic_uiom_alloc_pd(void)
if (!pd)
return ERR_PTR(-ENOMEM);
- pd->domain = domain = iommu_domain_alloc(&pci_bus_type);
+ pd->domain = domain = iommu_domain_alloc(dev->bus);
if (!domain) {
usnic_err("Failed to allocate IOMMU domain");
kfree(pd);
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.h b/drivers/infiniband/hw/usnic/usnic_uiom.h
index 9407522179e9..5a9acf941510 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.h
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.h
@@ -80,7 +80,7 @@ struct usnic_uiom_chunk {
struct scatterlist page_list[];
};
-struct usnic_uiom_pd *usnic_uiom_alloc_pd(void);
+struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev);
void usnic_uiom_dealloc_pd(struct usnic_uiom_pd *pd);
int usnic_uiom_attach_dev_to_pd(struct usnic_uiom_pd *pd, struct device *dev);
void usnic_uiom_detach_dev_from_pd(struct usnic_uiom_pd *pd,