| Message ID | 1467959838-6900-1-git-send-email-benh@kernel.crashing.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes: > OPAL provides an emulated XICS interrupt controller to > use as a fallback on newer processors that don't have a > XICS. It's meant as a way to provide backward compatibility > with future processors. Add the corresponding interfaces. > > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> These OPAL calls have the correct OPAL API numbers and they've been assigned upstream in skiboot. Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
On Fri, 2016-08-07 at 06:37:05 UTC, Benjamin Herrenschmidt wrote: > OPAL provides an emulated XICS interrupt controller to > use as a fallback on newer processors that don't have a > XICS. It's meant as a way to provide backward compatibility > with future processors. Add the corresponding interfaces. > > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com> Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/9fedd3f8804af87be608310aac cheers
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index 72b5f27..170ba0c 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -162,7 +162,11 @@ #define OPAL_PCI_GET_PRESENCE_STATE 119 #define OPAL_PCI_GET_POWER_STATE 120 #define OPAL_PCI_SET_POWER_STATE 121 -#define OPAL_LAST 121 +#define OPAL_INT_GET_XIRR 122 +#define OPAL_INT_SET_CPPR 123 +#define OPAL_INT_EOI 124 +#define OPAL_INT_SET_MFRR 125 +#define OPAL_LAST 125 /* Device tree flags */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 3b369e9..42f0c95 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -218,6 +218,11 @@ int64_t opal_pci_set_power_state(uint64_t async_token, uint64_t id, uint64_t data); int64_t opal_pci_poll2(uint64_t id, uint64_t data); +int64_t opal_int_get_xirr(uint32_t *out_xirr, bool just_poll); +int64_t opal_int_set_cppr(uint8_t cppr); +int64_t opal_int_eoi(uint32_t xirr); +int64_t opal_int_set_mfrr(uint32_t cpu, uint8_t mfrr); + /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 7979d6d..c7764f9 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -307,3 +307,7 @@ OPAL_CALL(opal_get_device_tree, OPAL_GET_DEVICE_TREE); OPAL_CALL(opal_pci_get_presence_state, OPAL_PCI_GET_PRESENCE_STATE); OPAL_CALL(opal_pci_get_power_state, OPAL_PCI_GET_POWER_STATE); OPAL_CALL(opal_pci_set_power_state, OPAL_PCI_SET_POWER_STATE); +OPAL_CALL(opal_int_get_xirr, OPAL_INT_GET_XIRR); +OPAL_CALL(opal_int_set_cppr, OPAL_INT_SET_CPPR); +OPAL_CALL(opal_int_eoi, OPAL_INT_EOI); +OPAL_CALL(opal_int_set_mfrr, OPAL_INT_SET_MFRR);
OPAL provides an emulated XICS interrupt controller to use as a fallback on newer processors that don't have a XICS. It's meant as a way to provide backward compatibility with future processors. Add the corresponding interfaces. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- arch/powerpc/include/asm/opal-api.h | 6 +++++- arch/powerpc/include/asm/opal.h | 5 +++++ arch/powerpc/platforms/powernv/opal-wrappers.S | 4 ++++ 3 files changed, 14 insertions(+), 1 deletion(-)