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289024fd89
- Creating an arbitrary 'src' directory really doesn't help much... - Goal is to make each folder self contained - Make meta repos and individual repos have the same directory structure
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#ifndef EPIPHANY_H
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#define EPIPHANY_H
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#include <linux/ioctl.h>
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/** Length of the Global shared memory region */
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#define GLOBAL_SHM_SIZE (4<<20)
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#define SHM_LOCK_NAME "/eshmlock"
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#define SHM_MAGIC 0xabcdef00
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typedef struct _EPIPHANY_ALLOC
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{
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unsigned long size;
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unsigned long flags;
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unsigned long bus_addr; /* out */
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unsigned long phy_addr; /* out */
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unsigned long kvirt_addr; /* out */
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unsigned long uvirt_addr; /* out */
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unsigned long mmap_handle; /* Handle to use for mmap */
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} epiphany_alloc_t;
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typedef struct _MAILBOX_NOTIFIER
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{
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int old_notifier;
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int new_notifier;
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} mailbox_notifier_t;
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#define EPIPHANY_IOC_MAGIC 'k'
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/**
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* If you add an IOC command, please update the
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* EPIPHANY_IOC_MAXNR macro
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*/
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#define EPIPHANY_IOC_GETSHM_CMD 24
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#define EPIPHANY_IOC_MB_DISABLE_CMD 25
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#define EPIPHANY_IOC_MB_ENABLE_CMD 26
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#define EPIPHANY_IOC_MB_NOTIFIER_CMD 27
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#define EPIPHANY_IOC_MAXNR 27
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#define EPIPHANY_IOC_GETSHM _IOWR(EPIPHANY_IOC_MAGIC, EPIPHANY_IOC_GETSHM_CMD, epiphany_alloc_t *)
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#define EPIPHANY_IOC_MB_ENABLE _IO(EPIPHANY_IOC_MAGIC, EPIPHANY_IOC_MB_ENABLE_CMD)
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#define EPIPHANY_IOC_MB_DISABLE _IO(EPIPHANY_IOC_MAGIC, EPIPHANY_IOC_MB_DISABLE_CMD)
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#define EPIPHANY_IOC_MB_NOTIFIER _IOW(EPIPHANY_IOC_MAGIC, EPIPHANY_IOC_MB_NOTIFIER_CMD, mailbox_notifier_t *)
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/**
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* mailbox notifier file
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*/
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#define MAILBOX_NOTIFIER "/sys/class/epiphany/epiphany/mailbox_notifier"
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/**
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* mailbox high byte valid after interrupt
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*/
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#define MAILBOX_HI "/sys/class/epiphany/epiphany/mailbox_hi"
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/**
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* mailbox low byte valid after interrupt
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*/
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#define MAILBOX_LO "/sys/class/epiphany/epiphany/mailbox_lo"
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#endif
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