diff options
| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2014-07-21 08:42:31 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-08-05 09:41:52 +0400 |
| commit | 5ca27efbd8b4579ef1e54e6c0a4a73dbf7f56a4a (patch) | |
| tree | 79d704449cff143010ebd198d1e202f093ede756 | |
| parent | 262af557dd750e94adcee3f450782c743f9a92d6 (diff) | |
| download | linux-5ca27efbd8b4579ef1e54e6c0a4a73dbf7f56a4a.tar.xz | |
powerpc/powernv: Allow to freeze PE
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@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 9 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-wrappers.S | 1 |
2 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 44e5083bf01a..7f5fd5396261 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 27c40bcf9d12..3dda49957158 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -183,6 +183,7 @@ 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); |