nak: Pull the QMD code out into its own crate

We want to use it in the runner which will be separate from NAK itself.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30275>

src/nouveau/compiler/meson.build

@@ -133,9 +133,9 @@ _libnak_ir_proc_rs = rust.proc_macro(
   dependencies : [dep_syn],
 )
 
-_libnak_rs = static_library(
-  'nak_rs',
-  files('nak/lib.rs'),
+_libnak_qmd_rs = static_library(
+  'nak_qmd_rs',
+  files('nak_qmd/lib.rs'),
   gnu_symbol_visibility : 'hidden',
   rust_abi : 'c',
   rust_args : nak_rust_args,
@@ -143,7 +143,24 @@ _libnak_rs = static_library(
     dep_paste,
     idep_nvidia_headers_rs,
   ],
-  link_with: [_libbitview_rs, libnak_bindings_gen, _libnak_ir_proc_rs],
+  link_with: [
+    _libbitview_rs,
+    libnak_bindings_gen,
+  ],
+)
+
+_libnak_rs = static_library(
+  'nak_rs',
+  files('nak/lib.rs'),
+  gnu_symbol_visibility : 'hidden',
+  rust_abi : 'c',
+  rust_args : nak_rust_args,
+  link_with: [
+    _libbitview_rs,
+    libnak_bindings_gen,
+    _libnak_ir_proc_rs,
+    _libnak_qmd_rs,
+  ],
 )
 
 if with_tests

src/nouveau/compiler/nak/lib.rs

@@ -23,7 +23,6 @@ mod opt_lop;
 mod opt_out;
 mod opt_prmt;
 mod opt_uniform_instrs;
-mod qmd;
 mod repair_ssa;
 mod sm50;
 mod sm70;

src/nouveau/compiler/nak_qmd/lib.rs

@@ -152,7 +152,7 @@ macro_rules! qmd_impl_set_register_count {
 }
 
 mod qmd_0_6 {
-    use crate::qmd::*;
+    use crate::*;
     use nvidia_headers::classes::cla0c0::qmd as cla0c0;
 
     #[repr(transparent)]
@@ -196,7 +196,7 @@ mod qmd_0_6 {
 use qmd_0_6::Qmd0_6;
 
 mod qmd_2_1 {
-    use crate::qmd::*;
+    use crate::*;
     use nvidia_headers::classes::clc0c0::qmd as clc0c0;
 
     #[repr(transparent)]
@@ -263,7 +263,7 @@ macro_rules! qmd_impl_set_smem_size_bounded {
 }
 
 mod qmd_2_2 {
-    use crate::qmd::*;
+    use crate::*;
     use nvidia_headers::classes::clc3c0::qmd as clc3c0;
 
     #[repr(transparent)]
@@ -290,7 +290,7 @@ mod qmd_2_2 {
 use qmd_2_2::Qmd2_2;
 
 mod qmd_3_0 {
-    use crate::qmd::*;
+    use crate::*;
     use nvidia_headers::classes::clc6c0::qmd as clc6c0;
 
     #[repr(transparent)]