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authorDamjan Marion <damarion@cisco.com>2020-05-25 19:31:42 +0200
committerMatthew Smith <mgsmith@netgate.com>2020-05-26 12:36:26 +0000
commit0792bb451c68b9f039e88ab5fb4ce3f73988b781 (patch)
tree1db9d8fb62dde74f4ac5a910958595f3d2f54679 /src/vlib/linux/vfio.c
parentd1d90f5951df93625594f1904cddd95880838ff0 (diff)
pci: improve vfio logging
Type: improvement Change-Id: Ic49a43651b80b79fa278e29964da5cb2ead2a818 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/linux/vfio.c')
-rw-r--r--src/vlib/linux/vfio.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/vlib/linux/vfio.c b/src/vlib/linux/vfio.c
index 1ed99ceee55..33de135965b 100644
--- a/src/vlib/linux/vfio.c
+++ b/src/vlib/linux/vfio.c
@@ -246,6 +246,62 @@ linux_vfio_init (vlib_main_t * vm)
return 0;
}
+u8 *
+format_vfio_region_info (u8 * s, va_list * args)
+{
+ struct vfio_region_info *r = va_arg (*args, struct vfio_region_info *);
+
+ s = format (s, "region_info index:%u size:0x%lx offset:0x%lx flags:",
+ r->index, r->size, r->offset);
+
+ if (r->flags & VFIO_REGION_INFO_FLAG_READ)
+ s = format (s, " rd");
+
+ if (r->flags & VFIO_REGION_INFO_FLAG_WRITE)
+ s = format (s, " wr");
+
+ if (r->flags & VFIO_REGION_INFO_FLAG_MMAP)
+ s = format (s, " mmap");
+
+#ifdef VFIO_REGION_INFO_FLAG_CAPS
+ if (r->flags & VFIO_REGION_INFO_FLAG_CAPS)
+ s = format (s, " caps");
+#endif
+
+ s = format (s, " (0x%x)", r->flags);
+
+#ifdef VFIO_REGION_INFO_FLAG_CAPS
+ u32 cap_offset;
+
+ if ((r->flags & VFIO_REGION_INFO_FLAG_CAPS) == 0)
+ return s;
+
+ s = format (s, "\n caps:");
+ cap_offset = r->cap_offset;
+
+ do
+ {
+ struct vfio_info_cap_header *cap = (void *) r + cap_offset;
+#ifdef VFIO_REGION_INFO_CAP_SPARSE_MMAP
+ if (cap->id == VFIO_REGION_INFO_CAP_SPARSE_MMAP)
+ s = format (s, " sparse-mmap");
+#endif
+#ifdef VFIO_REGION_INFO_CAP_TYPE
+ if (cap->id == VFIO_REGION_INFO_CAP_TYPE)
+ s = format (s, " type");
+#endif
+#ifdef VFIO_REGION_INFO_CAP_MSIX_MAPPABLE
+ if (cap->id == VFIO_REGION_INFO_CAP_MSIX_MAPPABLE)
+ s = format (s, " msix-mappable");
+#endif
+ cap_offset = cap->next;
+ }
+ while (cap_offset);
+#endif
+
+ return s;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*