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Wysocki" , Reinette Chatre , Dan Williams , Len Brown Subject: [PATCH v7 09/24] iommu/amd: Expose [set|get]_dev_entry_bit() Date: Wed, 1 Mar 2023 15:47:38 -0800 Message-Id: <20230301234753.28582-10-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230301234753.28582-1-ricardo.neri-calderon@linux.intel.com> References: <20230301234753.28582-1-ricardo.neri-calderon@linux.intel.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Ravi V. Shankar" , Andi Kleen , Ricardo Neri , Joerg Roedel , Ricardo Neri , Stephane Eranian , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Suravee Suthikulpanit , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" If an interrupt is allocated with NMI as delivery mode, the Device Table Entry needs to be modified accordingly in irq_remapping_alloc(). No functional changes. Cc: Andi Kleen Cc: "Ravi V. Shankar" Cc: Joerg Roedel Cc: Suravee Suthikulpanit Cc: Stephane Eranian Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Ricardo Neri --- Changes since v6: * None Changes since v5: * Introduced this patch Changes since v4: * N/A Changes since v3: * N/A Changes since v2: * N/A Changes since v1: * N/A --- drivers/iommu/amd/amd_iommu.h | 3 +++ drivers/iommu/amd/init.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index c160a332ce33..b9b87a8cd48e 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -141,4 +141,7 @@ extern u64 amd_iommu_efr; extern u64 amd_iommu_efr2; extern bool amd_iommu_snp_en; + +extern void set_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit); +extern int get_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit); #endif diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 19a46b9f7357..559a9ecb785f 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -999,7 +999,7 @@ static void __set_dev_entry_bit(struct dev_table_entry *dev_table, dev_table[devid].data[i] |= (1UL << _bit); } -static void set_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit) +void set_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit) { struct dev_table_entry *dev_table = get_dev_table(iommu); @@ -1015,7 +1015,7 @@ static int __get_dev_entry_bit(struct dev_table_entry *dev_table, return (dev_table[devid].data[i] & (1UL << _bit)) >> _bit; } -static int get_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit) +int get_dev_entry_bit(struct amd_iommu *iommu, u16 devid, u8 bit) { struct dev_table_entry *dev_table = get_dev_table(iommu); -- 2.25.1