From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
To: <jgg@nvidia.com>, <nicolinc@nvidia.com>
Cc: <linux-kernel@vger.kernel.org>, <robin.murphy@arm.com>,
<will@kernel.org>, <joro@8bytes.org>, <kevin.tian@intel.com>,
<jsnitsel@redhat.com>, <vasant.hegde@amd.com>,
<iommu@lists.linux.dev>, <santosh.shukla@amd.com>,
<sairaj.arunkodilkar@amd.com>, <jon.grimm@amd.com>,
<prashanthpra@google.com>, <wvw@google.com>, <wnliu@google.com>,
<gptran@google.com>, <kpsingh@google.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: [PATCH 1/8] iommu/amd: Make amd_iommu_pdom_id_alloc() non-static
Date: Wed, 20 Aug 2025 11:30:02 +0000 [thread overview]
Message-ID: <20250820113009.5233-2-suravee.suthikulpanit@amd.com> (raw)
In-Reply-To: <20250820113009.5233-1-suravee.suthikulpanit@amd.com>
To allow reuse in other files in subsequent patches.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
drivers/iommu/amd/amd_iommu.h | 1 +
drivers/iommu/amd/iommu.c | 8 ++++----
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index 9b4b589a54b5..6ea549816a1f 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -26,6 +26,7 @@ void amd_iommu_set_rlookup_table(struct amd_iommu *iommu, u16 devid);
void iommu_feature_enable(struct amd_iommu *iommu, u8 bit);
void *__init iommu_alloc_4k_pages(struct amd_iommu *iommu,
gfp_t gfp, size_t size);
+int amd_iommu_pdom_id_alloc(void);
#ifdef CONFIG_AMD_IOMMU_DEBUGFS
void amd_iommu_debugfs_setup(void);
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index ebe1cb9b0807..a05b7f69ac74 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1816,7 +1816,7 @@ int amd_iommu_complete_ppr(struct device *dev, u32 pasid, int status, int tag)
*
****************************************************************************/
-static int pdom_id_alloc(void)
+int amd_iommu_pdom_id_alloc(void)
{
return ida_alloc_range(&pdom_ids, 1, MAX_DOMAIN_ID - 1, GFP_ATOMIC);
}
@@ -1904,7 +1904,7 @@ static int setup_gcr3_table(struct gcr3_tbl_info *gcr3_info,
return -EBUSY;
/* Allocate per device domain ID */
- domid = pdom_id_alloc();
+ domid = amd_iommu_pdom_id_alloc();
if (domid <= 0)
return -ENOSPC;
gcr3_info->domid = domid;
@@ -2487,7 +2487,7 @@ struct protection_domain *protection_domain_alloc(void)
if (!domain)
return NULL;
- domid = pdom_id_alloc();
+ domid = amd_iommu_pdom_id_alloc();
if (domid <= 0) {
kfree(domain);
return NULL;
@@ -2679,7 +2679,7 @@ void amd_iommu_init_identity_domain(void)
domain->ops = &identity_domain_ops;
domain->owner = &amd_iommu_ops;
- identity_domain.id = pdom_id_alloc();
+ identity_domain.id = amd_iommu_pdom_id_alloc();
protection_domain_init(&identity_domain);
}
--
2.34.1
next prev parent reply other threads:[~2025-08-20 11:30 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-20 11:30 [PATCH 0/8] iommu/amd: Introduce Nested Translation support Suravee Suthikulpanit
2025-08-20 11:30 ` Suravee Suthikulpanit [this message]
2025-09-02 13:03 ` [PATCH 1/8] iommu/amd: Make amd_iommu_pdom_id_alloc() non-static Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 2/8] iommu/amd: Making device attach / detach helpers non-static Suravee Suthikulpanit
2025-09-02 13:10 ` Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 3/8] iommu/amd: Making amd_iommu_pdev_enable_cap_ats non-static Suravee Suthikulpanit
2025-08-20 11:30 ` [PATCH 4/8] iommu/amd: Introduce struct gcr3_tbl_info.giov Suravee Suthikulpanit
2025-09-02 13:07 ` Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 5/8] iommufd: Introduce data struct for AMD nested domain allocation Suravee Suthikulpanit
2025-09-02 13:09 ` Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 6/8] iommu/amd: Add support for nest parent " Suravee Suthikulpanit
2025-09-02 13:12 ` Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 7/8] iommu/amd: Add support for nested " Suravee Suthikulpanit
2025-08-22 5:39 ` kernel test robot
2025-08-22 19:51 ` Nicolin Chen
2025-08-22 21:16 ` Jason Gunthorpe
2025-08-22 21:45 ` Nicolin Chen
2025-08-25 13:38 ` Jason Gunthorpe
2025-09-01 7:09 ` Sairaj Kodilkar
2025-09-02 11:42 ` Jason Gunthorpe
2025-09-02 13:18 ` Jason Gunthorpe
2025-08-20 11:30 ` [PATCH 8/8] iommu/amd: Add support for nested domain attach/detach Suravee Suthikulpanit
2025-08-22 20:20 ` Nicolin Chen
2025-08-28 0:36 ` Suthikulpanit, Suravee
2025-09-02 13:25 ` Jason Gunthorpe
2025-09-03 8:27 ` Sairaj Kodilkar
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