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>,
<joao.m.martins@oracle.com>, <alejandro.j.jimenez@oracle.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: [PATCH v5 03/14] iommu/amd: Make amd_iommu_pdom_id_free() non-static
Date: Wed, 12 Nov 2025 18:24:55 +0000 [thread overview]
Message-ID: <20251112182506.7165-4-suravee.suthikulpanit@amd.com> (raw)
In-Reply-To: <20251112182506.7165-1-suravee.suthikulpanit@amd.com>
This will be reused in a new nested.c file for nested translation.
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
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 a9d724d43398..2730fd0b55de 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -27,6 +27,7 @@ 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);
+void amd_iommu_pdom_id_free(int id);
#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 b42738e9d8ab..81eb27aa30e1 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1792,7 +1792,7 @@ int amd_iommu_pdom_id_alloc(void)
return ida_alloc_range(&pdom_ids, 1, MAX_DOMAIN_ID - 1, GFP_ATOMIC);
}
-static void pdom_id_free(int id)
+void amd_iommu_pdom_id_free(int id)
{
ida_free(&pdom_ids, id);
}
@@ -1839,7 +1839,7 @@ static void free_gcr3_table(struct gcr3_tbl_info *gcr3_info)
gcr3_info->glx = 0;
/* Free per device domain ID */
- pdom_id_free(gcr3_info->domid);
+ amd_iommu_pdom_id_free(gcr3_info->domid);
iommu_free_pages(gcr3_info->gcr3_tbl);
gcr3_info->gcr3_tbl = NULL;
@@ -1882,7 +1882,7 @@ static int setup_gcr3_table(struct gcr3_tbl_info *gcr3_info,
gcr3_info->gcr3_tbl = iommu_alloc_pages_node_sz(nid, GFP_ATOMIC, SZ_4K);
if (gcr3_info->gcr3_tbl == NULL) {
- pdom_id_free(domid);
+ amd_iommu_pdom_id_free(domid);
return -ENOMEM;
}
@@ -2774,7 +2774,7 @@ void amd_iommu_domain_free(struct iommu_domain *dom)
WARN_ON(!list_empty(&domain->dev_list));
pt_iommu_deinit(&domain->iommu);
- pdom_id_free(domain->id);
+ amd_iommu_pdom_id_free(domain->id);
kfree(domain);
}
--
2.34.1
next prev parent reply other threads:[~2025-11-12 18:25 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-12 18:24 [PATCH v5 00/14] iommu/amd: Introduce Nested Translation support Suravee Suthikulpanit
2025-11-12 18:24 ` [PATCH v5 01/14] iommu/amd: Rename DEV_DOMID_MASK to DTE_DOMID_MASK Suravee Suthikulpanit
2025-11-12 18:24 ` [PATCH v5 02/14] iommu/amd: Make amd_iommu_pdom_id_alloc() non-static Suravee Suthikulpanit
2025-11-12 18:24 ` Suravee Suthikulpanit [this message]
2025-11-12 18:24 ` [PATCH v5 04/14] iommu/amd: Make amd_iommu_make_clear_dte() non-static inline Suravee Suthikulpanit
2025-11-18 23:44 ` Jason Gunthorpe
2025-11-12 18:24 ` [PATCH v5 05/14] iommu/amd: Introduce helper function amd_iommu_update_dte() Suravee Suthikulpanit
2025-11-13 19:18 ` Nicolin Chen
2026-01-15 9:20 ` Suthikulpanit, Suravee
2025-11-18 23:50 ` Jason Gunthorpe
2025-11-12 18:24 ` [PATCH v5 06/14] iommufd: Introduce data struct for AMD nested domain allocation Suravee Suthikulpanit
2025-11-12 18:24 ` [PATCH v5 07/14] iommu/amd: Always enable GCR3TRPMode when supported Suravee Suthikulpanit
2025-11-13 19:19 ` Nicolin Chen
2025-11-12 18:25 ` [PATCH v5 08/14] iommu/amd: Add support for nest parent domain allocation Suravee Suthikulpanit
2025-11-12 18:25 ` [PATCH v5 09/14] iommu/amd: Introduce struct amd_iommu_viommu Suravee Suthikulpanit
2025-11-13 19:21 ` Nicolin Chen
2025-11-12 18:25 ` [PATCH v5 10/14] iommu/amd: Add support for nested domain allocation Suravee Suthikulpanit
2025-11-12 18:25 ` [PATCH v5 11/14] iommu/amd: Introduce gDomID-to-hDomID Mapping and handle parent domain invalidation Suravee Suthikulpanit
2025-11-13 20:36 ` Nicolin Chen
2025-11-19 0:02 ` Jason Gunthorpe
2026-01-15 9:25 ` Suthikulpanit, Suravee
2026-01-15 9:21 ` Suthikulpanit, Suravee
2025-11-19 0:11 ` Jason Gunthorpe
2025-11-19 1:10 ` Nicolin Chen
2025-11-12 18:25 ` [PATCH v5 12/14] iommu/amd: Refactor persistent DTE bits programming into amd_iommu_make_clear_dte() Suravee Suthikulpanit
2025-11-13 20:42 ` Nicolin Chen
2025-11-12 18:25 ` [PATCH v5 13/14] iommu/amd: Refactor logic to program the host page table in DTE Suravee Suthikulpanit
2025-11-13 21:19 ` Nicolin Chen
2025-11-13 21:29 ` Nicolin Chen
2025-11-19 0:21 ` Jason Gunthorpe
2025-11-19 0:20 ` Jason Gunthorpe
2026-01-15 9:24 ` Suthikulpanit, Suravee
2025-11-19 0:18 ` Jason Gunthorpe
2025-11-12 18:25 ` [PATCH v5 14/14] iommu/amd: Add support for nested domain attach/detach Suravee Suthikulpanit
2025-11-13 21:34 ` Nicolin Chen
2025-11-19 0:28 ` Jason Gunthorpe
2025-11-13 21:52 ` [PATCH v5 00/14] iommu/amd: Introduce Nested Translation support Nicolin Chen
2025-11-17 17:54 ` Jason Gunthorpe
2026-01-15 9:18 ` Suthikulpanit, Suravee
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