diff options
| author |   Damjan Marion <damarion@cisco.com> | 2020-05-25 19:31:42 +0200 |
|---|---|---|
| committer |   Matthew Smith <mgsmith@netgate.com> | 2020-05-26 12:36:26 +0000 |
| commit | 0792bb451c68b9f039e88ab5fb4ce3f73988b781 (patch) | |
| tree | 1db9d8fb62dde74f4ac5a910958595f3d2f54679 /src/vlib/linux/vfio.c | |
| parent | d1d90f5951df93625594f1904cddd95880838ff0 (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.c | 56 |
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 * |