From effecb5ce0baf2fae011dd61e45852cd2fb1ec19 Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Tue, 15 Oct 2019 16:58:19 -0400 Subject: [PATCH 59/63] Put some EFI device paths into the debug log Signed-off-by: Peter Jones --- src/linux.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/src/linux.c b/src/linux.c index 7dd8d4cd858..9d8480a94a9 100644 --- a/src/linux.c +++ b/src/linux.c @@ -336,6 +336,44 @@ device_free(struct device *dev) free(dev); } +static void +print_dev_dp_node(struct device *dev, struct dev_probe *probe) +{ + ssize_t dpsz; + uint8_t *dp; + ssize_t bufsz; + uint8_t *buf; + + dpsz = probe->create(dev, NULL, 0, 0); + if (dpsz <= 0) + return; + + dp = alloca(dpsz + 4); + if (!dp) + return; + + dpsz = probe->create(dev, dp, dpsz, 0); + if (dpsz <= 0) + return; + + efidp_make_end_entire(dp + dpsz, 4); + bufsz = efidp_format_device_path(NULL, 0, + (const_efidp)dp, dpsz + 4); + if (bufsz <= 0) + return; + + buf = alloca(bufsz); + if (!buf) + return; + + bufsz = efidp_format_device_path(buf, bufsz, + (const_efidp)dp, dpsz + 4); + if (bufsz <= 0) + return; + + debug("Device path node is %s", buf); +} + struct device HIDDEN *device_get(int fd, int partition) { @@ -512,6 +550,9 @@ struct device HIDDEN probe->flags & DEV_ABBREV_ONLY) needs_root = false; + if (probe->create) + print_dev_dp_node(dev, probe); + dev->probes[n++] = dev_probes[i]; current += pos; if (current[0] == '\0') -- 2.26.2