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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-08 16:37:05 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-07-15 20:18:43 +1000 |
| commit | 9fedd3f8804af87be608310aac707a64f831b344 (patch) | |
| tree | 81611604b81aba3554d2d0bad97dfa46f5f09b91 /arch/powerpc/include/asm/opal.h | |
| parent | c0691f9dd2066087524d2b4498c0c9331f26dcd5 (diff) | |
| download | linux-stable-9fedd3f8804af87be608310aac707a64f831b344.tar.gz linux-stable-9fedd3f8804af87be608310aac707a64f831b344.tar.bz2 linux-stable-9fedd3f8804af87be608310aac707a64f831b344.zip | |
powerpc/powernv: Add XICS emulation APIs
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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/opal.h')
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 52b9f4a80aed..162ebe6f2de6 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); |