lspci: Add support for CXL MLD DVSEC

[thirdparty/pciutils.git] / ls-ecaps.c

diff --git a/ls-ecaps.c b/ls-ecaps.c
index 32108cd32fc0c824b5e7706ca852d69d742931b2..b4e6a630ee05e2eb71f9b62986bd27ad9f2b1cbc 100644 (file)
--- a/ls-ecaps.c
+++ b/ls-ecaps.c
@@ -1014,6 +1014,18 @@ dvsec_cxl_flex_bus(struct device *d, int where, int rev)
     }
 }
 
+static void
+dvsec_cxl_mld(struct device *d, int where)
+{
+  u16 w;
+
+  w = get_conf_word(d, where + PCI_CXL_MLD_NUM_LD);
+
+  /* Encodings greater than 16 are reserved */
+  if (w && w <= PCI_CXL_MLD_MAX_LD)
+    printf("\t\tNumLogDevs: %d\n", w);
+}
+
 static void
 cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len)
 {
@@ -1048,7 +1060,7 @@ cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len)
       dvsec_cxl_register_locator(d, where, len);
       break;
     case 9:
-      printf("\t\tMLD DVSEC\n");
+      dvsec_cxl_mld(d, where);
       break;
     default:
       printf("\t\tUnknown ID %04x\n", id);