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authorFrederic Barrat <fbarrat@linux.vnet.ibm.com>2018-01-23 14:31:42 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2018-01-24 03:42:58 +0300
commitaeddad1760aeb206d912b27b230269407efd5b06 (patch)
treee7931bbe8259c93bb8928bf4b95caa4c075e94ed /include/misc
parent5ef3166e8a32d78dfa985a323aa45ed485ff663a (diff)
downloadlinux-aeddad1760aeb206d912b27b230269407efd5b06.tar.xz
ocxl: Add AFU interrupt support
Add user APIs through ioctl to allocate, free, and be notified of an AFU interrupt. For opencapi, an AFU can trigger an interrupt on the host by sending a specific command targeting a 64-bit object handle. On POWER9, this is implemented by mapping a special page in the address space of a process and a write to that page will trigger an interrupt. Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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