powerpc: Enable support for 32 bit MSI-X vectors
authorBrian King <brking@linux.vnet.ibm.com>
Wed, 17 Jan 2024 21:46:32 +0000 (15:46 -0600)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 3 Mar 2024 11:18:45 +0000 (22:18 +1100)
commitb997bf240ebdfb36de5a138e94b77c3228507f07
treec6ff26a825df018f8602442b1132d2464cc92c81
parent9cbacb834b4afcb55eb8ac5115fa82fc7ede5c83
powerpc: Enable support for 32 bit MSI-X vectors

Some devices are not capable of addressing 64 bits
via DMA, which includes MSI-X vectors. This allows
us to ensure these devices use MSI-X vectors in
32 bit space.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240117214632.134539-1-brking@linux.vnet.ibm.com
arch/powerpc/platforms/pseries/msi.c