From 3d8f7ccaa611a743ae3a1e6f605346993d37c513 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Fri, 10 Feb 2023 01:06:45 -0800 Subject: tools/testing/cxl: Define a fixed volatile configuration to parse Take two endpoints attached to the first switch on the first host-bridge in the cxl_test topology and define a pre-initialized region. This is a x2 interleave underneath a x1 CXL Window. $ modprobe cxl_test $ # cxl list -Ru { "region":"region3", "resource":"0xf010000000", "size":"512.00 MiB (536.87 MB)", "interleave_ways":2, "interleave_granularity":4096, "decode_state":"commit" } Tested-by: Fan Ni Reviewed-by: Vishal Verma Reviewed-by: Dave Jiang Reviewed-by: Jonathan Cameron Link: https://lore.kernel.org/r/167602000547.1924368.11613151863880268868.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams --- drivers/cxl/cxl.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/cxl/cxl.h') diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index c8ee4bb8cce6..2ac344235235 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -653,8 +653,10 @@ struct cxl_dport *devm_cxl_add_rch_dport(struct cxl_port *port, struct cxl_decoder *to_cxl_decoder(struct device *dev); struct cxl_root_decoder *to_cxl_root_decoder(struct device *dev); +struct cxl_switch_decoder *to_cxl_switch_decoder(struct device *dev); struct cxl_endpoint_decoder *to_cxl_endpoint_decoder(struct device *dev); bool is_root_decoder(struct device *dev); +bool is_switch_decoder(struct device *dev); bool is_endpoint_decoder(struct device *dev); struct cxl_root_decoder *cxl_root_decoder_alloc(struct cxl_port *port, unsigned int nr_targets, -- cgit v1.2.3-70-g09d2