unfs3: Add a NFSv3 user mode server for use with runqemu

The user mode nfs server allows the use of runqemu without any root
privileges and may even be accelerated with kvm.

Example:

runqemu-extract-sdk tmp-eglibc/deploy/images/qemux86-64/core-image-minimal-qemux86-64.tar.bz2 rootfs

runqemu qemux86-64 `pwd`/rootfs nographic slirp kvm

[YOCTO #5639]

(From OE-Core rev: 24183f5ec9c71db936e75060387941463d30d962)

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch b/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch
new file mode 100644
index 0000000000..ed61ea16fe
--- /dev/null
+++ b/meta/recipes-devtools/unfs3/unfs3/fix_warnings.patch
@@ -0,0 +1,53 @@
+exports.*: fix warnings.
+
+Fix these warnings:
+lex.yy.c:1207: warning: 'yyunput' defined but not used
+lex.yy.c:1248: warning: 'input' defined but not used
+exports.y: In function 'set_hostname':
+exports.y:334: warning: large integer implicitly truncated to unsigned type
+exports.y: In function 'set_ipaddr':
+exports.y:350: warning: large integer implicitly truncated to unsigned type
+
+Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
+
+Upstream-Status: Pending
+
+---
+ Config/exports.l |    3 +++
+ Config/exports.y |    6 ++++--
+ 2 files changed, 7 insertions(+), 2 deletions(-)
+
+--- a/Config/exports.l
++++ b/Config/exports.l
+@@ -48,6 +48,9 @@ NETCOMP [0-9]{1,2}
+ NET {IP}"/"{NETCOMP}
+ OLDNET {IP}"/"{IP}
+ 
++%option nounput
++%option noinput
++
+ %%
+ 
+ ^{WHITE}*\n            { /* eat empty line */ }
+--- a/Config/exports.y
++++ b/Config/exports.y
+@@ -331,7 +331,8 @@ static void set_hostname(const char *nam
+        if (ent) {
+                memcpy(&cur_host.addr, ent->h_addr_list[0],
+                       sizeof(struct in_addr));
+-               cur_host.mask.s_addr = ~0UL;
++               cur_host.mask.s_addr = 0;
++               cur_host.mask.s_addr = ~cur_host.mask.s_addr;
+        } else {
+                logmsg(LOG_CRIT, "could not resolve hostname '%s'", name);
+                e_error = TRUE;
+@@ -347,7 +348,8 @@ static void set_ipaddr(const char *addr)
+        
+        if (!inet_aton(addr, &cur_host.addr))
+                e_error = TRUE;
+-       cur_host.mask.s_addr = ~0UL;
++       cur_host.mask.s_addr = 0;
++       cur_host.mask.s_addr = ~cur_host.mask.s_addr;
+ }
+ 
+ /*