[ndctl PATCH 02/11] cxl/list: Emit endpoint decoders filtered by memdev

[Dan Williams]

For example, dump all the endpoint decoders from memdev 'mem8'.

    cxl list -Di -m 8 -d endpoint

Signed-off-by: Dan Williams <dan.j.willi...@intel.com>
---
 cxl/filter.c |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cxl/filter.c b/cxl/filter.c
index 66fd7420144a..2f88a9d2f398 100644
--- a/cxl/filter.c
+++ b/cxl/filter.c
@@ -428,7 +428,9 @@ util_cxl_decoder_filter_by_memdev(struct cxl_decoder 
*decoder,
                                  const char *ident, const char *serial)
 {
        struct cxl_ctx *ctx = cxl_decoder_get_ctx(decoder);
+       struct cxl_endpoint *endpoint;
        struct cxl_memdev *memdev;
+       struct cxl_port *port;
 
        if (!ident && !serial)
                return decoder;
@@ -438,6 +440,12 @@ util_cxl_decoder_filter_by_memdev(struct cxl_decoder 
*decoder,
                        continue;
                if (cxl_decoder_get_target_by_memdev(decoder, memdev))
                        return decoder;
+               port = cxl_decoder_get_port(decoder);
+               if (!port || !cxl_port_is_endpoint(port))
+                       continue;
+               endpoint = cxl_port_to_endpoint(port);
+               if (cxl_endpoint_get_memdev(endpoint) == memdev)
+                       return decoder;
        }
 
        return NULL;