From cdf029471736f43776452930b7195a06ab143654 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 17 Apr 2021 22:59:57 +0200
Subject: Added I/O bus implementation for efficient IPC

This was a nice coding session. See ya tomorrow!
---
 libs/libc/inc/crypto.h | 4 ++++
 libs/libc/inc/sys.h    | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'libs/libc/inc')

diff --git a/libs/libc/inc/crypto.h b/libs/libc/inc/crypto.h
index 16cdf86..b672c50 100644
--- a/libs/libc/inc/crypto.h
+++ b/libs/libc/inc/crypto.h
@@ -8,4 +8,8 @@
 void md5(const void *initial_msg, u32 initial_len, u8 digest[16]) NONNULL;
 u32 crc32(u32 crc, const void *buf, u32 size) NONNULL;
 
+#ifdef KERNEL
+u32 crc32_user(u32 crc, const void *buf, u32 size) NONNULL;
+#endif
+
 #endif
diff --git a/libs/libc/inc/sys.h b/libs/libc/inc/sys.h
index 461db2e..72a8029 100644
--- a/libs/libc/inc/sys.h
+++ b/libs/libc/inc/sys.h
@@ -42,6 +42,11 @@ enum io_type {
 	IO_MAX,
 };
 
+// I/O control declarations
+#define IOCTL_FB_GET 0
+#define IOCTL_BUS_CONNECT 0
+#define IOCTL_BUS_REGISTER 1
+
 struct event_keyboard {
 	u32 magic;
 	u32 scancode;
@@ -77,7 +82,7 @@ res write(const char *path, const void *buf, u32 offset, u32 count) NONNULL;
 res stat(const char *path, struct stat *buf) NONNULL;
 res exec(const char *path, ...) ATTR((nonnull(1))) SENTINEL;
 
-res io_poll(u32 *devs) NONNULL;
+res io_poll(enum io_type *devs) NONNULL;
 res io_read(enum io_type io, void *buf, u32 offset, u32 count) NONNULL;
 res io_write(enum io_type io, void *buf, u32 offset, u32 count) NONNULL;
 res io_control(enum io_type io, ...);
-- 
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