[v5,4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

Message ID 20180511061303.10728-5-alastair@au1.ibm.com
State New
Headers show
Series
  • ocxl: Implement Power9 as_notify/wait for OpenCAPI
Related show

Commit Message

Alastair D'Silva May 11, 2018, 6:13 a.m.
From: Alastair D'Silva <alastair@d-silva.org>

The function removes the process element from NPU cache.

Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
---
 arch/powerpc/include/asm/pnv-ocxl.h   | 2 +-
 arch/powerpc/platforms/powernv/ocxl.c | 4 ++--
 drivers/misc/ocxl/link.c              | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

Comments

Frederic Barrat May 11, 2018, 8:49 a.m. | #1
Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
> From: Alastair D'Silva <alastair@d-silva.org>
> 
> The function removes the process element from NPU cache.
> 
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
> ---

Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>

>   arch/powerpc/include/asm/pnv-ocxl.h   | 2 +-
>   arch/powerpc/platforms/powernv/ocxl.c | 4 ++--
>   drivers/misc/ocxl/link.c              | 2 +-
>   3 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h
> index f6945d3bc971..208b5503f4ed 100644
> --- a/arch/powerpc/include/asm/pnv-ocxl.h
> +++ b/arch/powerpc/include/asm/pnv-ocxl.h
> @@ -28,7 +28,7 @@ extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
>   extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
>   			void **platform_data);
>   extern void pnv_ocxl_spa_release(void *platform_data);
> -extern int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle);
> +extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
> 
>   extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
>   extern void pnv_ocxl_free_xive_irq(u32 irq);
> diff --git a/arch/powerpc/platforms/powernv/ocxl.c b/arch/powerpc/platforms/powernv/ocxl.c
> index fa9b53af3c7b..8c65aacda9c8 100644
> --- a/arch/powerpc/platforms/powernv/ocxl.c
> +++ b/arch/powerpc/platforms/powernv/ocxl.c
> @@ -475,7 +475,7 @@ void pnv_ocxl_spa_release(void *platform_data)
>   }
>   EXPORT_SYMBOL_GPL(pnv_ocxl_spa_release);
> 
> -int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
> +int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle)
>   {
>   	struct spa_data *data = (struct spa_data *) platform_data;
>   	int rc;
> @@ -483,7 +483,7 @@ int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
>   	rc = opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle);
>   	return rc;
>   }
> -EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe);
> +EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe_from_cache);
> 
>   int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr)
>   {
> diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
> index f30790582dc0..656e8610eec2 100644
> --- a/drivers/misc/ocxl/link.c
> +++ b/drivers/misc/ocxl/link.c
> @@ -599,7 +599,7 @@ int ocxl_link_remove_pe(void *link_handle, int pasid)
>   	 * On powerpc, the entry needs to be cleared from the context
>   	 * cache of the NPU.
>   	 */
> -	rc = pnv_ocxl_spa_remove_pe(link->platform_data, pe_handle);
> +	rc = pnv_ocxl_spa_remove_pe_from_cache(link->platform_data, pe_handle);
>   	WARN_ON(rc);
> 
>   	pe_data = radix_tree_delete(&spa->pe_tree, pe_handle);
>

Patch

diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h
index f6945d3bc971..208b5503f4ed 100644
--- a/arch/powerpc/include/asm/pnv-ocxl.h
+++ b/arch/powerpc/include/asm/pnv-ocxl.h
@@ -28,7 +28,7 @@  extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
 extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
 			void **platform_data);
 extern void pnv_ocxl_spa_release(void *platform_data);
-extern int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle);
+extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
 
 extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
 extern void pnv_ocxl_free_xive_irq(u32 irq);
diff --git a/arch/powerpc/platforms/powernv/ocxl.c b/arch/powerpc/platforms/powernv/ocxl.c
index fa9b53af3c7b..8c65aacda9c8 100644
--- a/arch/powerpc/platforms/powernv/ocxl.c
+++ b/arch/powerpc/platforms/powernv/ocxl.c
@@ -475,7 +475,7 @@  void pnv_ocxl_spa_release(void *platform_data)
 }
 EXPORT_SYMBOL_GPL(pnv_ocxl_spa_release);
 
-int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
+int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle)
 {
 	struct spa_data *data = (struct spa_data *) platform_data;
 	int rc;
@@ -483,7 +483,7 @@  int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
 	rc = opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle);
 	return rc;
 }
-EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe);
+EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe_from_cache);
 
 int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr)
 {
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index f30790582dc0..656e8610eec2 100644
--- a/drivers/misc/ocxl/link.c
+++ b/drivers/misc/ocxl/link.c
@@ -599,7 +599,7 @@  int ocxl_link_remove_pe(void *link_handle, int pasid)
 	 * On powerpc, the entry needs to be cleared from the context
 	 * cache of the NPU.
 	 */
-	rc = pnv_ocxl_spa_remove_pe(link->platform_data, pe_handle);
+	rc = pnv_ocxl_spa_remove_pe_from_cache(link->platform_data, pe_handle);
 	WARN_ON(rc);
 
 	pe_data = radix_tree_delete(&spa->pe_tree, pe_handle);