diff options
Diffstat (limited to 'src/include/usr/devicefw')
| -rw-r--r-- | src/include/usr/devicefw/driverif.H | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/include/usr/devicefw/driverif.H b/src/include/usr/devicefw/driverif.H index 0842f734d..a148725b5 100644 --- a/src/include/usr/devicefw/driverif.H +++ b/src/include/usr/devicefw/driverif.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2011,2014 */ +/* Contributors Listed Below - COPYRIGHT 2011,2016 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -132,6 +132,31 @@ namespace DeviceFW #define DEVICE_I2C_ADDRESS_OFFSET( i_port, i_engine, i_devAddr, i_offset_len, i_offset)\ DeviceFW::I2C, DEVICE_I2C_PARMS(i_port, i_engine, i_devAddr, i_offset_len, i_offset) + + /** + * Construct the device addressing parameters for locking the page + * attribute of an I2C master target + * + * @param[in] i_port - Which port to use from the I2C master. + * @param[in] i_engine - Which I2C master engine to use. + * @param[in] i_shouldLock - bool to determine whether we are + * attempting to lock or unlock the page. + * @param[in] i_desired_page - The EEPROM page we want to switch to + * iff a page switch is needed. + * @param[in] i_lockMutex - bool to determine whether we actually + * want to lock the page mutex or not. This bool allows + * us to switch pages mid read without hitting a deadlock. + */ +#define DEVICE_I2C_CONTROL_PAGE_OP( i_port, i_engine, i_shouldLock, i_desired_page, i_lockMutex )\ + DeviceFW::I2C,\ + static_cast<uint64_t>(i_port),\ + static_cast<uint64_t>(i_engine),\ + 0xffffffff,\ + static_cast<uint64_t>(i_shouldLock),\ + static_cast<uint64_t>(i_desiredPage),\ + static_cast<uint64_t>(i_lockMutex) + + /** * Construct the device addressing parameters for the Host I2C device ops. * @param[in] i_port - Which port to use from the I2C master. |
