diff options
| author | Sam Bobroff <sam.bobroff@au1.ibm.com> | 2018-03-19 13:49:23 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-27 23:45:19 +1100 |
| commit | 34a286a4ac576d3d9ea3ac2bc7bbd4216a1f7ac7 (patch) | |
| tree | 2474a8ad747afd3e21581777ab0cb12dabf68ede /arch/powerpc/include | |
| parent | 54048cf876615285363f6f6c21014bf2462ebe0d (diff) | |
powerpc/eeh: Add eeh_state_active() helper
Checking for a "fully active" device state requires testing two flag
bits, which is open coded in several places, so add a function to do
it.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index fd37cc101f4f..c2266ca61853 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -256,6 +256,12 @@ static inline void eeh_serialize_unlock(unsigned long flags) raw_spin_unlock_irqrestore(&confirm_error_lock, flags); } +static inline bool eeh_state_active(int state) +{ + return (state & (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE)) + == (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE); +} + typedef void *(*eeh_traverse_func)(void *data, void *flag); void eeh_set_pe_aux_size(int size); int eeh_phb_pe_create(struct pci_controller *phb); |