[PATCH v3 2/6] powerpc/powernv: Allow to freeze PE

[Gavin Shan]

The patch synchronizes header file with firmware to have new OPAL
API opal_pci_eeh_freeze_set(), which is used to freeze the specified
PE in order to support "compound" PE.

Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
---
v3: separate API to freeze PE
---
 arch/powerpc/include/asm/opal.h                | 9 ++++++++-
 arch/powerpc/platforms/powernv/opal-wrappers.S | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index ae885cc..49bab65 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -147,6 +147,7 @@ struct opal_sg_list {
 #define OPAL_SET_PARAM				90
 #define OPAL_DUMP_RESEND			91
 #define OPAL_DUMP_INFO2				94
+#define OPAL_PCI_EEH_FREEZE_SET			97
 
 #ifndef __ASSEMBLY__
 
@@ -170,7 +171,11 @@ enum OpalFreezeState {
 enum OpalEehFreezeActionToken {
 	OPAL_EEH_ACTION_CLEAR_FREEZE_MMIO = 1,
 	OPAL_EEH_ACTION_CLEAR_FREEZE_DMA = 2,
-	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3
+	OPAL_EEH_ACTION_CLEAR_FREEZE_ALL = 3,
+
+	OPAL_EEH_ACTION_SET_FREEZE_MMIO = 1,
+	OPAL_EEH_ACTION_SET_FREEZE_DMA  = 2,
+	OPAL_EEH_ACTION_SET_FREEZE_ALL  = 3
 };
 
 enum OpalPciStatusToken {
@@ -764,6 +769,8 @@ int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number,
 				   __be64 *phb_status);
 int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number,
 				  uint64_t eeh_action_token);
+int64_t opal_pci_eeh_freeze_set(uint64_t phb_id, uint64_t pe_number,
+				uint64_t eeh_action_token);
 int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state);
 
 
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 4abbff2..7943c8a 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -86,6 +86,7 @@ OPAL_CALL(opal_get_xive,			OPAL_GET_XIVE);
 OPAL_CALL(opal_register_exception_handler,	OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
 OPAL_CALL(opal_pci_eeh_freeze_status,		OPAL_PCI_EEH_FREEZE_STATUS);
 OPAL_CALL(opal_pci_eeh_freeze_clear,		OPAL_PCI_EEH_FREEZE_CLEAR);
+OPAL_CALL(opal_pci_eeh_freeze_set,		OPAL_PCI_EEH_FREEZE_SET);
 OPAL_CALL(opal_pci_shpc,			OPAL_PCI_SHPC);
 OPAL_CALL(opal_pci_phb_mmio_enable,		OPAL_PCI_PHB_MMIO_ENABLE);
 OPAL_CALL(opal_pci_set_phb_mem_window,		OPAL_PCI_SET_PHB_MEM_WINDOW);
-- 
1.8.3.2