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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


  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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