feat: Add certs, init, io_uring, security, usr, virt subsystems, Nano editor & full LazyBox suite

include/io_uring/io_uring.h

@@ -0,0 +1,60 @@
+#ifndef _IO_URING_IO_URING_H
+#define _IO_URING_IO_URING_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define IORING_QUEUE_DEPTH 32
+
+/* io_uring opcodes */
+#define IORING_OP_NOP         0
+#define IORING_OP_READV       1
+#define IORING_OP_WRITEV      2
+#define IORING_OP_FSYNC       3
+#define IORING_OP_READ_FIXED  4
+#define IORING_OP_WRITE_FIXED 5
+#define IORING_OP_TIMEOUT     6
+#define IORING_OP_CLOSE       7
+
+/* io_uring Submission Queue Entry (SQE) */
+typedef struct io_uring_sqe {
+    uint8_t  opcode;
+    uint8_t  flags;
+    uint16_t ioprio;
+    int32_t  fd;
+    uint64_t off;
+    uint64_t addr;
+    uint32_t len;
+    uint32_t cancel_flags;
+    uint64_t user_data;
+} io_uring_sqe_t;
+
+/* io_uring Completion Queue Entry (CQE) */
+typedef struct io_uring_cqe {
+    uint64_t user_data;
+    int32_t  res;
+    uint32_t flags;
+} io_uring_cqe_t;
+
+typedef struct io_uring_ring {
+    io_uring_sqe_t sqes[IORING_QUEUE_DEPTH];
+    uint32_t sq_head;
+    uint32_t sq_tail;
+
+    io_uring_cqe_t cqes[IORING_QUEUE_DEPTH];
+    uint32_t cq_head;
+    uint32_t cq_tail;
+
+    uint32_t submitted;
+    uint32_t completed;
+} io_uring_ring_t;
+
+void io_uring_init(void);
+io_uring_ring_t* io_uring_get_default_ring(void);
+io_uring_sqe_t* io_uring_get_sqe(io_uring_ring_t* ring);
+int io_uring_submit(io_uring_ring_t* ring);
+io_uring_cqe_t* io_uring_peek_cqe(io_uring_ring_t* ring);
+void io_uring_cqe_seen(io_uring_ring_t* ring, io_uring_cqe_t* cqe);
+
+#endif // _IO_URING_IO_URING_H