path: root/include/misc/cxl-base.h
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authorChristophe Lombard <clombard@linux.vnet.ibm.com>2017-06-22 15:07:27 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2017-07-03 23:07:03 +1000
commit3ced8d73006321bd2a0412fa0ff4b065a02e7514 (patch)
treeeb6c13f48f53960574756c5fc7edfe0519f9e443 /include/misc/cxl-base.h
parent218ea31039e84901b449c3769035456688f6e17d (diff)
cxl: Export library to support IBM XSL
This patch exports a in-kernel 'library' API which can be called by other drivers to help interacting with an IBM XSL on a POWER9 system. The XSL (Translation Service Layer) is a stripped down version of the PSL (Power Service Layer) used in some cards such as the Mellanox CX5. Like the PSL, it implements the CAIA architecture, but has a number of differences, mostly in it's implementation dependent registers. The XSL also uses a special DMA cxl mode, which uses a slightly different init sequence for the CAPP and PHB. Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com> Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/misc/cxl-base.h')
0 files changed, 0 insertions, 0 deletions

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