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#include <cstdint>
#include <generic/vfs/vfs.hpp>
#include <etc/list.hpp>
#pragma once
#define DEVFS_PACKET_CREATE_DEV 1
#define DEVFS_PACKET_READ_READRING 2
#define DEVFS_PACKET_WRITE_READRING 3
#define DEVFS_PACKET_READ_WRITERING 4
#define DEVFS_PACKET_WRITE_WRITERING 5
#define DEVFS_PACKET_CREATE_IOCTL 6
#define DEVFS_PACKET_SIZE_IOCTL 7
#define DEVFS_PACKET_IOCTL 8
#define DEVFS_ENABLE_PIPE 9
#define DEVFS_SETUP_MMAP 10
#define DEVFS_PACKET_CREATE_PIPE_DEV 11
#define DEVFS_PACKET_ISATTY 12
#define DEVFS_PACKET_SETUPTTY 13
#define DEVFS_GETSLAVE_BY_MASTER 14
#define DEVFS_PACKET_SETUP_RING_SIZE 15
#define devfs_packet_get_num 16
typedef unsigned int __u32;
typedef unsigned short __u16;
struct fb_fix_screeninfo {
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
__u32 smem_len; /* Length of frame buffer mem */
__u32 type; /* see FB_TYPE_* */
__u32 type_aux; /* Interleave for interleaved Planes */
__u32 visual; /* see FB_VISUAL_* */
__u16 xpanstep; /* zero if no hardware panning */
__u16 ypanstep; /* zero if no hardware panning */
__u16 ywrapstep; /* zero if no hardware ywrap */
__u32 line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
__u32 mmio_len; /* Length of Memory Mapped I/O */
__u32 accel; /* Indicate to driver which */
/* specific chip/card we have */
__u16 capabilities; /* see FB_CAP_* */
__u16 reserved[2]; /* Reserved for future compatibility */
};
/* Interpretation of offset for color fields: All offsets are from the right,
* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
* can use the offset as right argument to <<). A pixel afterwards is a bit
* stream and is written to video memory as that unmodified.
*
* For pseudocolor: offset and length should be the same for all color
* components. Offset specifies the position of the least significant bit
* of the palette index in a pixel value. Length indicates the number
* of available palette entries (i.e. # of entries = 1 << length).
*/
struct fb_bitfield {
__u32 offset; /* beginning of bitfield */
__u32 length; /* length of bitfield */
__u32 msb_right; /* != 0 : Most significant bit is */
/* right */
};
#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
#define FB_ACTIVATE_MASK 15
/* values */
#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
#define FB_ACTIVATE_KD_TEXT 512 /* for KDSET vt ioctl */
#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
#define FB_SYNC_EXT 4 /* external sync */
#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
/* vtotal = 144d/288n/576i => PAL */
/* vtotal = 121d/242n/484i => NTSC */
#define FB_SYNC_ON_GREEN 32 /* sync on green */
#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
#define FB_VMODE_INTERLACED 1 /* interlaced */
#define FB_VMODE_DOUBLE 2 /* double scan */
#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
#define FB_VMODE_MASK 255
#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
/*
* Display rotation support
*/
#define FB_ROTATE_UR 0
#define FB_ROTATE_CW 1
#define FB_ROTATE_UD 2
#define FB_ROTATE_CCW 3
#define PICOS2KHZ(a) (1000000000UL/(a))
#define KHZ2PICOS(a) (1000000000UL/(a))
struct fb_var_screeninfo {
__u32 xres; /* visible resolution */
__u32 yres;
__u32 xres_virtual; /* virtual resolution */
__u32 yres_virtual;
__u32 xoffset; /* offset from virtual to visible */
__u32 yoffset; /* resolution */
__u32 bits_per_pixel; /* guess what */
__u32 grayscale; /* 0 = color, 1 = grayscale, */
/* >1 = FOURCC */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
__u32 nonstd; /* != 0 Non standard pixel format */
__u32 activate; /* see FB_ACTIVATE_* */
__u32 height; /* height of picture in mm */
__u32 width; /* width of picture in mm */
__u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
/* Timing: All values in pixclocks, except pixclock (of course) */
__u32 pixclock; /* pixel clock in ps (pico seconds) */
__u32 left_margin; /* time from sync to picture */
__u32 right_margin; /* time from picture to sync */
__u32 upper_margin; /* time from sync to picture */
__u32 lower_margin;
__u32 hsync_len; /* length of horizontal sync */
__u32 vsync_len; /* length of vertical sync */
__u32 sync; /* see FB_SYNC_* */
__u32 vmode; /* see FB_VMODE_* */
__u32 rotate; /* angle we rotate counter clockwise */
__u32 colorspace; /* colorspace for FOURCC-based modes */
__u32 reserved[4]; /* Reserved for future compatibility */
};
struct winsize {
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
/* unused */
unsigned short ws_ypixel;
/* unused */
};
#define TCGETS 0x5401
#define TCSETS 0x5402
#define TIOCGWINSZ 0x5413
#define TIOCSWINSZ 0x5414
namespace vfs {
typedef struct {
std::uint64_t is_pipe : 1;
std::uint64_t is_pipe_rw : 1;
} __attribute__((packed)) devfs_pipe_p_t;
typedef struct {
union {
struct {
std::uint8_t request;
std::uint8_t* cycle;
std::uint32_t* queue;
std::uint32_t size;
std::uint64_t value;
};
struct {
std::uint8_t request;
std::uint64_t ioctlreq;
std::uint64_t arg;
} ioctl;
struct {
std::uint8_t request;
std::uint32_t writereg;
std::uint32_t readreg;
std::uint32_t size;
std::uint64_t pointer;
} create_ioctl;
struct {
std::uint8_t request;
std::uint8_t pipe_target;
std::uint64_t pipe_pointer;
} enable_pipe;
struct {
std::uint8_t request;
std::uint64_t dma_addr;
std::uint64_t size;
std::uint64_t flags;
} setup_mmap;
};
} __attribute__((packed)) devfs_packet_t; /* User-Kernel interaction packet */
typedef struct {
std::uint32_t read_req;
std::uint32_t write_req;
std::uint32_t size;
void* pointer_to_struct;
} __attribute__((packed)) devfs_ioctl_packet_t;
typedef struct devfs_node {
devfs_pipe_p_t open_flags;
union {
struct {
Lists::Ring* readring;
Lists::Ring* writering;
};
struct {
pipe* readpipe;
pipe* writepipe;
};
};
devfs_ioctl_packet_t ioctls[32];
std::uint64_t pipe0;
std::uint64_t mmap_base;
std::uint64_t mmap_size;
std::uint64_t mmap_flags;
std::int32_t dev_num;
int show_num;
std::int8_t is_tty;
std::int64_t (*read)(userspace_fd_t* fd, void* buffer, std::uint64_t count);
std::int64_t (*write)(userspace_fd_t* fd, void* buffer, std::uint64_t size);
std::int64_t (*slave_write)(userspace_fd_t* fd, void* buffer, std::uint64_t size);
std::int32_t (*ioctl)(userspace_fd_t* fd, unsigned long req, void *arg, int *res);
std::int32_t (*open)(userspace_fd_t* fd, char* path);
int mode;
int is_dir;
int pgrp;
std::uint64_t ino;
termios_t* term_flags;
struct devfs_node* next;
char masterpath[256];
char slavepath[256];
} devfs_node_t;
static_assert(sizeof(devfs_node_t) < 4096,"devfs_node_t is higher than fucking page size");
class devfs {
public:
static void mount(vfs_node_t* node);
static std::int64_t send_packet(char* path,devfs_packet_t* packet);
};
};
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