Phase 4: Portable Architecture Implementation

- Firmware Analyzer: Runtime firmware signature computation (CRC32, SHA256) and pattern-based RPC handler address discovery
- Dynamic RPC Dispatcher: Version-aware dispatch with native firmware handlers (550/560/570/580) and emulation fallback
- Hardware Architecture Layer: Turing, Ampere, Blackwell configs with BAR layouts, doorbell offsets, MSI-X vectors
- Driver Version Adaptation Layer: Feature detection per driver version
- Declarative YAML configs for hardware (turing/ampere/blackwell) and versions (550/560/570/580)
- Kernel unit tests for GSP emulation (gsp_emulation_test.c)
- Test infrastructure scripts (test_gsp_emu.sh, test_guest_driver.sh, test_cuda_workloads.sh, test_graphics_workloads.sh, test_windows_guest.sh, test_vgpu_stack.sh)
- Updated kernel Makefile with new source files

1 files changed, 66 insertions, 0 deletions

diff --git a/kernel/dynamic_rpc_dispatcher.h b/kernel/dynamic_rpc_dispatcher.h
new file mode 100644
index 0000000..2abecb5
--- /dev/null
+++ b/kernel/dynamic_rpc_dispatcher.h
@@ -0,0 +1,66 @@
+#ifndef _DYNAMIC_RPC_DISPATCHER_H_
+#define _DYNAMIC_RPC_DISPATCHER_H_
+
+#include <linux/types.h>
+#include "gsp_rpc_client.h"
+#include "firmware_analyzer.h"
+
+/* Version-specific RPC interface */
+struct rpc_interface {
+    char version[32];
+    struct fw_addresses fw_addrs;
+    
+    /* Native firmware handlers */
+    int (*alloc)(struct gsp_client *, u64, u64, u32, u32, u64, u32, u64 *, u64 *, u64 *);
+    int (*free)(struct gsp_client *, u64);
+    int (*map)(struct gsp_client *, u64, u64, u64, u32, u32, u64, u64 *);
+    int (*unmap)(struct gsp_client *, u64, u64, u64);
+    int (*pin)(struct gsp_client *, u64, u64, u64, u32, u64 *, u32 *);
+    int (*unpin)(struct gsp_client *, u64, u64, u64);
+    int (*schedule)(struct gsp_client *, u64, u64, u64, u32, u32);
+    int (*yield)(struct gsp_client *);
+    int (*bar_trap)(struct gsp_client *, u64, u32, u32, u64, u32, u64 *);
+    int (*migrate_save)(struct gsp_client *, u64, u64, u64, u64, u64 *);
+    int (*migrate_restore)(struct gsp_client *, u64, u64, u64, u64, u64);
+    int (*notify_register)(struct gsp_client *, u32, void (*)(struct gsp_client *, struct gsp_rpc_response *, void *), void *);
+    void (*notify_unregister)(struct gsp_client *, u32);
+    
+    /* Emulation fallback flags */
+    bool use_emulation[GSP_RPC_MAX_TYPE];
+};
+
+/* Public API */
+int dynamic_dispatcher_init(const char *fw_path);
+void dynamic_dispatcher_fini(void);
+struct rpc_interface *dynamic_dispatcher_get_interface(void);
+bool dynamic_dispatcher_use_emulation(enum gsp_rpc_type type);
+
+/* Dispatcher functions */
+int dynamic_dispatcher_alloc(struct gsp_client *client, u64 size, u64 alignment, u32 mem_type,
+                             u32 flags, u64 addr_hint, u32 pid, u64 *gpu_va, u64 *handle, u64 *actual_size);
+int dynamic_dispatcher_free(struct gsp_client *client, u64 handle);
+int dynamic_dispatcher_map(struct gsp_client *client, u64 handle, u64 gpu_va, u64 size,
+                           u32 prot, u32 flags, u64 offset, u64 *mapped_va);
+int dynamic_dispatcher_unmap(struct gsp_client *client, u64 handle, u64 gpu_va, u64 size);
+int dynamic_dispatcher_pin(struct gsp_client *client, u64 handle, u64 offset, u64 size,
+                           u32 flags, u64 *dma_addr, u32 *num_pages);
+int dynamic_dispatcher_unpin(struct gsp_client *client, u64 handle, u64 offset, u64 size);
+int dynamic_dispatcher_schedule(struct gsp_client *client, u64 work_handle, u64 callback, u64 arg,
+                                u32 priority, u32 flags);
+int dynamic_dispatcher_yield(struct gsp_client *client);
+int dynamic_dispatcher_bar_trap(struct gsp_client *client, u64 bar_addr, u32 access_type, u32 size,
+                                u64 value, u32 bar_num, u64 *ret_value);
+int dynamic_dispatcher_migrate_save(struct gsp_client *client, u64 src_gpu_id, u64 dst_gpu_id,
+                                    u64 memory_bitmap, u64 page_table_ptr, u64 *checkpoint);
+int dynamic_dispatcher_migrate_restore(struct gsp_client *client, u64 src_gpu_id, u64 dst_gpu_id,
+                                       u64 memory_bitmap, u64 page_table_ptr, u64 checkpoint);
+int dynamic_dispatcher_notify_register(struct gsp_client *client, u32 type,
+                                       void (*callback)(struct gsp_client *, struct gsp_rpc_response *, void *),
+                                       void *ctx);
+void dynamic_dispatcher_notify_unregister(struct gsp_client *client, u32 type);
+
+/* Info */
+const char *dynamic_dispatcher_get_version(void);
+const struct fw_addresses *dynamic_dispatcher_get_fw_addresses(void);
+
+#endif /* _DYNAMIC_RPC_DISPATCHER_H_ */
\ No newline at end of file