implement major and minor analog to the linux kernel

1 files changed, 10 insertions, 2 deletions

diff --git a/kernel/devices/src/storage/StorageManagement.cpp b/kernel/devices/src/storage/StorageManagement.cpp
index cfc5239..58d8510 100644
--- a/kernel/devices/src/storage/StorageManagement.cpp
+++ b/kernel/devices/src/storage/StorageManagement.cpp
@@ -15,6 +15,9 @@ namespace devices::storage
 {
   namespace
   {
+    constexpr size_t static MINORS_PER_DEVICE = 16;
+    constinit size_t static next_free_major = 1;
+
     constinit auto static active_storage_management = std::optional<storage_management>{};
     constinit auto static active_ram_disk_controller = std::optional<ram_disk::ram_disk_controller>{};
   }  // namespace
@@ -45,6 +48,7 @@ namespace devices::storage
 
   auto storage_management::add_controller(storage_controller * controller) -> void
   {
+    controller->set_ids(next_free_major++, MINORS_PER_DEVICE);
     m_controllers.at(0) = controller;  // TODO BA-FS26 use push_back from kstd:vector
   }
 
@@ -53,8 +57,12 @@ namespace devices::storage
     block_device * found = nullptr;
 
     std::ranges::find_if(m_controllers, [&](auto const controller) {
-      found = controller->device_by_major_minor(major, minor);
-      return found != nullptr;
+      if (controller != nullptr && controller->major() == major)
+      {
+        found = controller->device_by_major_minor(major, minor);
+        return found != nullptr;
+      }
+      return false;
     });
 
     return found;