982 lines
39 KiB
C
982 lines
39 KiB
C
/* This file defines constants for use in message communication (mostly)
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* between system processes.
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*
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* A number of protocol message request and response types are defined. For
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* debugging purposes, each protocol is assigned its own unique number range.
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* The following such message type ranges have been allocated:
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*
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* 0x00 - 0xFF Process Manager (PM) requests (see callnr.h)
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* 0x100 - 0x1FF Virtual File System (VFS) requests (see callnr.h)
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* 0x200 - 0x2FF Data link layer requests and responses
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* 0x300 - 0x3FF Bus controller requests and responses
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* 0x400 - 0x4FF Character device requests and responses
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* 0x500 - 0x5FF Block device requests and responses
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* 0x600 - 0x6FF Kernel calls
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* 0x700 - 0x7FF Reincarnation Server (RS) requests
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* 0x800 - 0x8FF Data Store (DS) requests
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* 0x900 - 0x9FF Requests from PM to VFS, and responses
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* 0xA00 - 0xAFF Requests from VFS to file systems (see vfsif.h)
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* 0xB00 - 0xBFF Transaction IDs from VFS to file systems (see vfsif.h)
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* 0xC00 - 0xCFF Virtual Memory (VM) requests
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* 0xD00 - 0xDFF IPC server requests
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* 0xE00 - 0xEFF Common system messages (e.g. system signals)
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* 0xF00 - 0xFFF Scheduling messages
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* 0x1000 - 0x10FF Notify messages
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* 0x1100 - 0x11FF USB
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* 0x1200 - 0x12FF Devman
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* 0x1300 - 0x13FF TTY requests
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* 0x1400 - 0x14FF Real Time Clock requests and responses
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* 0x1500 - 0x15FF Input server messages
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* 0x1600 - 0x16FF VirtualBox (VBOX) requests (see vboxif.h)
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* 0x1700 - 0x17FF PTYFS requests
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*
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* Zero and negative values are widely used for OK and error responses.
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*/
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#ifndef _MINIX_COM_H
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#define _MINIX_COM_H
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/*===========================================================================*
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* Process numbers of processes in the system image *
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*===========================================================================*/
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/* Kernel tasks. These all run in the same address space. */
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#define ASYNCM ((endpoint_t) -5) /* notifies about finished async sends */
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#define IDLE ((endpoint_t) -4) /* runs when no one else can run */
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#define CLOCK ((endpoint_t) -3) /* alarms and other clock functions */
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#define SYSTEM ((endpoint_t) -2) /* request system functionality */
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#define KERNEL ((endpoint_t) -1) /* pseudo-process for IPC and scheduling */
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#define HARDWARE KERNEL /* for hardware interrupt handlers */
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/* Number of tasks. Note that NR_PROCS is defined in <minix/config.h>. */
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#define MAX_NR_TASKS 1023
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#define NR_TASKS 5
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/* User-space processes, that is, device drivers, servers, and INIT. */
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#define PM_PROC_NR ((endpoint_t) 0) /* process manager */
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#define VFS_PROC_NR ((endpoint_t) 1) /* file system */
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#define RS_PROC_NR ((endpoint_t) 2) /* reincarnation server */
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#define MEM_PROC_NR ((endpoint_t) 3) /* memory driver (RAM disk, null, etc.) */
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#define SCHED_PROC_NR ((endpoint_t) 4) /* scheduler */
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#define TTY_PROC_NR ((endpoint_t) 5) /* terminal (TTY) driver */
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#define DS_PROC_NR ((endpoint_t) 6) /* data store server */
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#define MFS_PROC_NR ((endpoint_t) 7) /* minix root filesystem */
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#define VM_PROC_NR ((endpoint_t) 8) /* memory server */
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#define PFS_PROC_NR ((endpoint_t) 9) /* pipe filesystem */
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#define LAST_SPECIAL_PROC_NR 10 /* An untyped version for
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computation in macros.*/
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#define INIT_PROC_NR ((endpoint_t) LAST_SPECIAL_PROC_NR) /* init
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-- goes multiuser */
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#define NR_BOOT_MODULES (INIT_PROC_NR+1)
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/* Root system process and root user process. */
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#define ROOT_SYS_PROC_NR RS_PROC_NR
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#define ROOT_USR_PROC_NR INIT_PROC_NR
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/*===========================================================================*
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* Kernel notification types *
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*===========================================================================*/
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/* Kernel notification types. In principle, these can be sent to any process,
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* so make sure that these types do not interfere with other message types.
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* Notifications are prioritized because of the way they are unhold() and
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* blocking notifications are delivered. The lowest numbers go first. The
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* offset are used for the per-process notification bit maps.
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*/
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#define NOTIFY_MESSAGE 0x1000
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/* FIXME the old is_notify(a) should be replaced by is_ipc_notify(status). */
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#define is_ipc_notify(ipc_status) (IPC_STATUS_CALL(ipc_status) == NOTIFY)
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#define is_notify(a) ((unsigned) ((a) - NOTIFY_MESSAGE) < 0x100)
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#define is_ipc_asynch(ipc_status) \
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(is_ipc_notify(ipc_status) || IPC_STATUS_CALL(ipc_status) == SENDA)
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/*===========================================================================*
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* Messages for BUS controller drivers *
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*===========================================================================*/
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#define BUSC_RQ_BASE 0x300 /* base for request types */
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#define BUSC_RS_BASE 0x380 /* base for response types */
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#define BUSC_PCI_INIT (BUSC_RQ_BASE + 0) /* First message to
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* PCI driver
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*/
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#define BUSC_PCI_FIRST_DEV (BUSC_RQ_BASE + 1) /* Get index (and
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* vid/did) of the
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* first PCI device
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*/
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#define BUSC_PCI_NEXT_DEV (BUSC_RQ_BASE + 2) /* Get index (and
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* vid/did) of the
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* next PCI device
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*/
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#define BUSC_PCI_FIND_DEV (BUSC_RQ_BASE + 3) /* Get index of a
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* PCI device based on
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* bus/dev/function
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*/
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#define BUSC_PCI_IDS (BUSC_RQ_BASE + 4) /* Get vid/did from an
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* index
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*/
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#define BUSC_PCI_RESERVE (BUSC_RQ_BASE + 7) /* Reserve a PCI dev */
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#define BUSC_PCI_ATTR_R8 (BUSC_RQ_BASE + 8) /* Read 8-bit
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* attribute value
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*/
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#define BUSC_PCI_ATTR_R16 (BUSC_RQ_BASE + 9) /* Read 16-bit
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* attribute value
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*/
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#define BUSC_PCI_ATTR_R32 (BUSC_RQ_BASE + 10) /* Read 32-bit
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* attribute value
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*/
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#define BUSC_PCI_ATTR_W8 (BUSC_RQ_BASE + 11) /* Write 8-bit
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* attribute value
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*/
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#define BUSC_PCI_ATTR_W16 (BUSC_RQ_BASE + 12) /* Write 16-bit
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* attribute value
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*/
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#define BUSC_PCI_ATTR_W32 (BUSC_RQ_BASE + 13) /* Write 32-bit
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* attribute value
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*/
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#define BUSC_PCI_RESCAN (BUSC_RQ_BASE + 14) /* Rescan bus */
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#define BUSC_PCI_DEV_NAME_S (BUSC_RQ_BASE + 15) /* Get the name of a
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* PCI device
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* (safecopy)
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*/
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#define BUSC_PCI_SLOT_NAME_S (BUSC_RQ_BASE + 16) /* Get the name of a
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* PCI slot (safecopy)
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*/
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#define BUSC_PCI_SET_ACL (BUSC_RQ_BASE + 17) /* Set the ACL for a
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* driver (safecopy)
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*/
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#define BUSC_PCI_DEL_ACL (BUSC_RQ_BASE + 18) /* Delete the ACL of a
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* driver
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*/
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#define BUSC_PCI_GET_BAR (BUSC_RQ_BASE + 19) /* Get Base Address
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* Register properties
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*/
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#define IOMMU_MAP (BUSC_RQ_BASE + 32) /* Ask IOMMU to map
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* a segment of memory
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*/
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#define BUSC_I2C_RESERVE (BUSC_RQ_BASE + 64) /* reserve i2c device */
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#define BUSC_I2C_EXEC (BUSC_RQ_BASE + 65) /* perform i2c action */
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/*===========================================================================*
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* Messages for networking layer *
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*===========================================================================*/
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/* Base type for data link layer requests and responses. */
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#define DL_RQ_BASE 0x200
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#define DL_RS_BASE 0x280
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#define IS_DL_RQ(type) (((type) & ~0x7f) == DL_RQ_BASE)
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#define IS_DL_RS(type) (((type) & ~0x7f) == DL_RS_BASE)
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/* Message types for data link layer requests. */
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#define DL_CONF (DL_RQ_BASE + 0)
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#define DL_GETSTAT_S (DL_RQ_BASE + 1)
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#define DL_WRITEV_S (DL_RQ_BASE + 2)
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#define DL_READV_S (DL_RQ_BASE + 3)
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/* Message type for data link layer replies. */
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#define DL_CONF_REPLY (DL_RS_BASE + 0)
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#define DL_STAT_REPLY (DL_RS_BASE + 1)
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#define DL_TASK_REPLY (DL_RS_BASE + 2)
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/* Bits in 'flags' field of DL replies. */
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# define DL_NOFLAGS 0x00
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# define DL_PACK_SEND 0x01
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# define DL_PACK_RECV 0x02
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/* Bits in 'DL_MODE' field of DL requests. */
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# define DL_NOMODE 0x0
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# define DL_PROMISC_REQ 0x1
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# define DL_MULTI_REQ 0x2
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# define DL_BROAD_REQ 0x4
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/*===========================================================================*
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* SYSTASK request types and field names *
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*===========================================================================*/
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/* System library calls are dispatched via a call vector, so be careful when
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* modifying the system call numbers. The numbers here determine which call
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* is made from the call vector.
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*/
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#define KERNEL_CALL 0x600 /* base for kernel calls to SYSTEM */
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# define SYS_FORK (KERNEL_CALL + 0) /* sys_fork() */
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# define SYS_EXEC (KERNEL_CALL + 1) /* sys_exec() */
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# define SYS_CLEAR (KERNEL_CALL + 2) /* sys_clear() */
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# define SYS_SCHEDULE (KERNEL_CALL + 3) /* sys_schedule() */
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# define SYS_PRIVCTL (KERNEL_CALL + 4) /* sys_privctl() */
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# define SYS_TRACE (KERNEL_CALL + 5) /* sys_trace() */
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# define SYS_KILL (KERNEL_CALL + 6) /* sys_kill() */
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# define SYS_GETKSIG (KERNEL_CALL + 7) /* sys_getsig() */
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# define SYS_ENDKSIG (KERNEL_CALL + 8) /* sys_endsig() */
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# define SYS_SIGSEND (KERNEL_CALL + 9) /* sys_sigsend() */
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# define SYS_SIGRETURN (KERNEL_CALL + 10) /* sys_sigreturn() */
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# define SYS_MEMSET (KERNEL_CALL + 13) /* sys_memset() */
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# define SYS_UMAP (KERNEL_CALL + 14) /* sys_umap() */
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# define SYS_VIRCOPY (KERNEL_CALL + 15) /* sys_vircopy() */
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# define SYS_PHYSCOPY (KERNEL_CALL + 16) /* sys_physcopy() */
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# define SYS_UMAP_REMOTE (KERNEL_CALL + 17) /* sys_umap_remote() */
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# define SYS_VUMAP (KERNEL_CALL + 18) /* sys_vumap() */
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# define SYS_IRQCTL (KERNEL_CALL + 19) /* sys_irqctl() */
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# define SYS_INT86 (KERNEL_CALL + 20) /* sys_int86() */
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# define SYS_DEVIO (KERNEL_CALL + 21) /* sys_devio() */
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# define SYS_SDEVIO (KERNEL_CALL + 22) /* sys_sdevio() */
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# define SYS_VDEVIO (KERNEL_CALL + 23) /* sys_vdevio() */
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# define SYS_SETALARM (KERNEL_CALL + 24) /* sys_setalarm() */
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# define SYS_TIMES (KERNEL_CALL + 25) /* sys_times() */
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# define SYS_GETINFO (KERNEL_CALL + 26) /* sys_getinfo() */
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# define SYS_ABORT (KERNEL_CALL + 27) /* sys_abort() */
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# define SYS_IOPENABLE (KERNEL_CALL + 28) /* sys_enable_iop() */
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# define SYS_SAFECOPYFROM (KERNEL_CALL + 31) /* sys_safecopyfrom() */
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# define SYS_SAFECOPYTO (KERNEL_CALL + 32) /* sys_safecopyto() */
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# define SYS_VSAFECOPY (KERNEL_CALL + 33) /* sys_vsafecopy() */
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# define SYS_SETGRANT (KERNEL_CALL + 34) /* sys_setgrant() */
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# define SYS_READBIOS (KERNEL_CALL + 35) /* sys_readbios() */
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# define SYS_SPROF (KERNEL_CALL + 36) /* sys_sprof() */
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# define SYS_STIME (KERNEL_CALL + 39) /* sys_stime() */
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# define SYS_SETTIME (KERNEL_CALL + 40) /* sys_settime() */
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# define SYS_VMCTL (KERNEL_CALL + 43) /* sys_vmctl() */
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# define SYS_DIAGCTL (KERNEL_CALL + 44) /* sys_diagctl() */
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# define SYS_VTIMER (KERNEL_CALL + 45) /* sys_vtimer() */
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# define SYS_RUNCTL (KERNEL_CALL + 46) /* sys_runctl() */
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# define SYS_GETMCONTEXT (KERNEL_CALL + 50) /* sys_getmcontext() */
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# define SYS_SETMCONTEXT (KERNEL_CALL + 51) /* sys_setmcontext() */
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# define SYS_UPDATE (KERNEL_CALL + 52) /* sys_update() */
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# define SYS_EXIT (KERNEL_CALL + 53) /* sys_exit() */
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# define SYS_SCHEDCTL (KERNEL_CALL + 54) /* sys_schedctl() */
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# define SYS_STATECTL (KERNEL_CALL + 55) /* sys_statectl() */
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# define SYS_SAFEMEMSET (KERNEL_CALL + 56) /* sys_safememset() */
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# define SYS_PADCONF (KERNEL_CALL + 57) /* sys_padconf() */
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/* Total */
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#define NR_SYS_CALLS 58 /* number of kernel calls */
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#define SYS_CALL_MASK_SIZE BITMAP_CHUNKS(NR_SYS_CALLS)
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/* Basic kernel calls allowed to every system process. */
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#define SYS_BASIC_CALLS \
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SYS_EXIT, SYS_SAFECOPYFROM, SYS_SAFECOPYTO, SYS_VSAFECOPY, SYS_GETINFO, \
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SYS_TIMES, SYS_SETALARM, SYS_SETGRANT, \
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SYS_DIAGCTL, SYS_STATECTL, SYS_SAFEMEMSET
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/* Field names for SYS_DEVIO, SYS_VDEVIO, SYS_SDEVIO. */
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# define _DIO_INPUT 0x001
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# define _DIO_OUTPUT 0x002
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# define _DIO_DIRMASK 0x00f
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# define _DIO_BYTE 0x010
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# define _DIO_WORD 0x020
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# define _DIO_LONG 0x030
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# define _DIO_TYPEMASK 0x0f0
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# define _DIO_SAFE 0x100
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# define _DIO_SAFEMASK 0xf00
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# define DIO_INPUT_BYTE (_DIO_INPUT|_DIO_BYTE)
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# define DIO_INPUT_WORD (_DIO_INPUT|_DIO_WORD)
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# define DIO_INPUT_LONG (_DIO_INPUT|_DIO_LONG)
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# define DIO_OUTPUT_BYTE (_DIO_OUTPUT|_DIO_BYTE)
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# define DIO_OUTPUT_WORD (_DIO_OUTPUT|_DIO_WORD)
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# define DIO_OUTPUT_LONG (_DIO_OUTPUT|_DIO_LONG)
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# define DIO_SAFE_INPUT_BYTE (_DIO_INPUT|_DIO_BYTE|_DIO_SAFE)
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# define DIO_SAFE_INPUT_WORD (_DIO_INPUT|_DIO_WORD|_DIO_SAFE)
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# define DIO_SAFE_INPUT_LONG (_DIO_INPUT|_DIO_LONG|_DIO_SAFE)
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# define DIO_SAFE_OUTPUT_BYTE (_DIO_OUTPUT|_DIO_BYTE|_DIO_SAFE)
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# define DIO_SAFE_OUTPUT_WORD (_DIO_OUTPUT|_DIO_WORD|_DIO_SAFE)
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# define DIO_SAFE_OUTPUT_LONG (_DIO_OUTPUT|_DIO_LONG|_DIO_SAFE)
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/* Field names for SYS_IRQCTL. */
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# define IRQ_SETPOLICY 1 /* manage a slot of the IRQ table */
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# define IRQ_RMPOLICY 2 /* remove a slot of the IRQ table */
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# define IRQ_ENABLE 3 /* enable interrupts */
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# define IRQ_DISABLE 4 /* disable interrupts */
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# define IRQ_REENABLE 0x001 /* reenable IRQ line after interrupt */
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# define IRQ_BYTE 0x100 /* byte values */
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# define IRQ_WORD 0x200 /* word values */
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# define IRQ_LONG 0x400 /* long values */
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#define CP_FLAG_TRY 0x01 /* do not transparently map */
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/* Field names for SYS_GETINFO. */
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# define GET_KINFO 0 /* get kernel information structure */
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# define GET_IMAGE 1 /* get system image table */
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# define GET_PROCTAB 2 /* get kernel process table */
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# define GET_RANDOMNESS 3 /* get randomness buffer */
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# define GET_MONPARAMS 4 /* get monitor parameters */
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# define GET_KENV 5 /* get kernel environment string */
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# define GET_IRQHOOKS 6 /* get the IRQ table */
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# define GET_PRIVTAB 8 /* get kernel privileges table */
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# define GET_KADDRESSES 9 /* get various kernel addresses */
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# define GET_SCHEDINFO 10 /* get scheduling queues */
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# define GET_PROC 11 /* get process slot if given process */
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# define GET_MACHINE 12 /* get machine information */
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# define GET_LOCKTIMING 13 /* get lock()/unlock() latency timing */
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# define GET_BIOSBUFFER 14 /* get a buffer for BIOS calls */
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# define GET_LOADINFO 15 /* get load average information */
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# define GET_IRQACTIDS 16 /* get the IRQ masks */
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# define GET_PRIV 17 /* get privilege structure */
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# define GET_HZ 18 /* get HZ value */
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# define GET_WHOAMI 19 /* get own name, endpoint, and privileges */
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# define GET_RANDOMNESS_BIN 20 /* get one randomness bin */
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# define GET_IDLETSC 21 /* get cumulative idle time stamp counter */
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# define GET_CPUINFO 23 /* get information about cpus */
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# define GET_REGS 24 /* get general process registers */
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# define GET_RUSAGE 25 /* get resource usage */
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/* Subfunctions for SYS_PRIVCTL */
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#define SYS_PRIV_ALLOW 1 /* Allow process to run */
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#define SYS_PRIV_DISALLOW 2 /* Disallow process to run */
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#define SYS_PRIV_SET_SYS 3 /* Set a system privilege structure */
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#define SYS_PRIV_SET_USER 4 /* Set a user privilege structure */
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#define SYS_PRIV_ADD_IO 5 /* Add I/O range (struct io_range) */
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#define SYS_PRIV_ADD_MEM 6 /* Add memory range (struct mem_range)
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*/
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#define SYS_PRIV_ADD_IRQ 7 /* Add IRQ */
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#define SYS_PRIV_QUERY_MEM 8 /* Verify memory privilege. */
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#define SYS_PRIV_UPDATE_SYS 9 /* Update a sys privilege structure. */
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#define SYS_PRIV_YIELD 10 /* Allow process to run and suspend */
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/* Constants for exec. FIXME: these do not belong here. */
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#define PMEF_AUXVECTORS 20
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#define PMEF_EXECNAMELEN1 PATH_MAX
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/* Flags for PR_FORK_FLAGS. */
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#define PFF_VMINHIBIT 0x01 /* Don't schedule until release by VM. */
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/* SYS_SAFEMEMSET */
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#define SMS_DST m2_i1 /* dst endpoint */
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#define SMS_GID m2_i3 /* grant id */
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#define SMS_OFFSET m2_l1 /* offset within grant */
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#define SMS_BYTES m2_l2 /* bytes from offset */
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#define SMS_PATTERN m2_i2 /* memset() pattern */
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/* Field names for SYS_VMCTL. */
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#define SVMCTL_WHO m1_i1
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#define SVMCTL_PARAM m1_i2 /* All SYS_VMCTL requests. */
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#define SVMCTL_VALUE m1_i3
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#define SVMCTL_MRG_TARGET m2_i1 /* MEMREQ_GET reply: target process */
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#define SVMCTL_MRG_ADDR m2_i2 /* MEMREQ_GET reply: address */
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#define SVMCTL_MRG_LENGTH m2_i3 /* MEMREQ_GET reply: length */
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#define SVMCTL_MRG_FLAG m2_s1 /* MEMREQ_GET reply: flag */
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#define SVMCTL_MRG_EP2 m2_l1 /* MEMREQ_GET reply: source process */
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#define SVMCTL_MRG_ADDR2 m2_l2 /* MEMREQ_GET reply: source address */
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#define SVMCTL_MRG_REQUESTOR m2_p1 /* MEMREQ_GET reply: requestor */
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#define SVMCTL_MAP_VIR_ADDR m1_p1
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#define SVMCTL_PTROOT m1_i3
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#define SVMCTL_PTROOT_V m1_p1
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/* Reply message for VMCTL_KERN_PHYSMAP */
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#define SVMCTL_MAP_FLAGS m2_i1 /* VMMF_* */
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#define SVMCTL_MAP_PHYS_ADDR m2_l1
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#define SVMCTL_MAP_PHYS_LEN m2_l2
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#define VMMF_UNCACHED (1L << 0)
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#define VMMF_USER (1L << 1)
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#define VMMF_WRITE (1L << 2)
|
|
#define VMMF_GLO (1L << 3)
|
|
|
|
/* Values for SVMCTL_PARAM. */
|
|
#define VMCTL_CLEAR_PAGEFAULT 12
|
|
#define VMCTL_GET_PDBR 13
|
|
#define VMCTL_MEMREQ_GET 14
|
|
#define VMCTL_MEMREQ_REPLY 15
|
|
#define VMCTL_NOPAGEZERO 18
|
|
#define VMCTL_I386_KERNELLIMIT 19
|
|
#define VMCTL_I386_INVLPG 25
|
|
#define VMCTL_FLUSHTLB 26
|
|
#define VMCTL_KERN_PHYSMAP 27
|
|
#define VMCTL_KERN_MAP_REPLY 28
|
|
#define VMCTL_SETADDRSPACE 29
|
|
#define VMCTL_VMINHIBIT_SET 30
|
|
#define VMCTL_VMINHIBIT_CLEAR 31
|
|
#define VMCTL_CLEARMAPCACHE 32
|
|
#define VMCTL_BOOTINHIBIT_CLEAR 33
|
|
|
|
/* Codes and field names for SYS_DIAGCTL. */
|
|
#define DIAGCTL_CODE_DIAG 1 /* Print diagnostics. */
|
|
#define DIAGCTL_CODE_STACKTRACE 2 /* Print process stack. */
|
|
#define DIAGCTL_CODE_REGISTER 3 /* Register for diagnostic signals */
|
|
#define DIAGCTL_CODE_UNREGISTER 4 /* Unregister for diagnostic signals */
|
|
#define DIAG_BUFSIZE (80*25)
|
|
|
|
/* Field names for SYS_VTIMER. */
|
|
#define VT_WHICH m2_i1 /* which timer to set/retrieve */
|
|
# define VT_VIRTUAL 1 /* the ITIMER_VIRTUAL timer */
|
|
# define VT_PROF 2 /* the ITIMER_PROF timer */
|
|
#define VT_SET m2_i2 /* 1 for setting a timer, 0 retrieval only */
|
|
#define VT_VALUE m2_l1 /* new/previous value of the timer */
|
|
#define VT_ENDPT m2_l2 /* process to set/retrieve the timer for */
|
|
|
|
/* Field names for SYS_RUNCTL. */
|
|
#define RC_ENDPT m1_i1 /* which process to stop or resume */
|
|
#define RC_ACTION m1_i2 /* set or clear stop flag */
|
|
# define RC_STOP 0 /* stop the process */
|
|
# define RC_RESUME 1 /* clear the stop flag */
|
|
#define RC_FLAGS m1_i3 /* request flags */
|
|
# define RC_DELAY 1 /* delay stop if process is sending */
|
|
|
|
/* Field names for SYS_UPDATE. */
|
|
#define SYS_UPD_SRC_ENDPT m1_i1 /* source endpoint */
|
|
#define SYS_UPD_DST_ENDPT m1_i2 /* destination endpoint */
|
|
|
|
/* Subfunctions for SYS_STATECTL */
|
|
#define SYS_STATE_CLEAR_IPC_REFS 1 /* clear IPC references */
|
|
|
|
/* Subfunctions for SYS_SCHEDCTL */
|
|
# define SCHEDCTL_FLAG_KERNEL 1 /* mark kernel scheduler and remove
|
|
* RTS_NO_QUANTUM; otherwise caller is
|
|
* marked scheduler
|
|
*/
|
|
|
|
/* Field names for SYS_PADCONF */
|
|
#define PADCONF_PADCONF m2_i1 /* pad to configure */
|
|
#define PADCONF_MASK m2_i2 /* mask to apply */
|
|
#define PADCONF_VALUE m2_i3 /* value to write */
|
|
|
|
/*===========================================================================*
|
|
* Messages for the Reincarnation Server *
|
|
*===========================================================================*/
|
|
|
|
#define RS_RQ_BASE 0x700
|
|
|
|
#define RS_UP (RS_RQ_BASE + 0) /* start system service */
|
|
#define RS_DOWN (RS_RQ_BASE + 1) /* stop system service */
|
|
#define RS_REFRESH (RS_RQ_BASE + 2) /* refresh system service */
|
|
#define RS_RESTART (RS_RQ_BASE + 3) /* restart system service */
|
|
#define RS_SHUTDOWN (RS_RQ_BASE + 4) /* alert about shutdown */
|
|
#define RS_UPDATE (RS_RQ_BASE + 5) /* update system service */
|
|
#define RS_CLONE (RS_RQ_BASE + 6) /* clone system service */
|
|
#define RS_EDIT (RS_RQ_BASE + 7) /* edit system service */
|
|
|
|
#define RS_LOOKUP (RS_RQ_BASE + 8) /* lookup server name */
|
|
|
|
#define RS_GETSYSINFO (RS_RQ_BASE + 9) /* get system information */
|
|
|
|
#define RS_INIT (RS_RQ_BASE + 20) /* service init message */
|
|
#define RS_LU_PREPARE (RS_RQ_BASE + 21) /* prepare to update message */
|
|
|
|
/*===========================================================================*
|
|
* Messages for the Data Store Server *
|
|
*===========================================================================*/
|
|
|
|
#define DS_RQ_BASE 0x800
|
|
|
|
#define DS_PUBLISH (DS_RQ_BASE + 0) /* publish data */
|
|
#define DS_RETRIEVE (DS_RQ_BASE + 1) /* retrieve data by name */
|
|
#define DS_SUBSCRIBE (DS_RQ_BASE + 2) /* subscribe to data updates */
|
|
#define DS_CHECK (DS_RQ_BASE + 3) /* retrieve updated data */
|
|
#define DS_DELETE (DS_RQ_BASE + 4) /* delete data */
|
|
#define DS_SNAPSHOT (DS_RQ_BASE + 5) /* take a snapshot */
|
|
#define DS_RETRIEVE_LABEL (DS_RQ_BASE + 6) /* retrieve label's name */
|
|
#define DS_GETSYSINFO (DS_RQ_BASE + 7) /* get system information */
|
|
|
|
/*===========================================================================*
|
|
* Messages used between PM and VFS *
|
|
*===========================================================================*/
|
|
|
|
#define VFS_PM_RQ_BASE 0x900
|
|
#define VFS_PM_RS_BASE 0x980
|
|
|
|
#define IS_VFS_PM_RQ(type) (((type) & ~0x7f) == VFS_PM_RQ_BASE)
|
|
#define IS_VFS_PM_RS(type) (((type) & ~0x7f) == VFS_PM_RS_BASE)
|
|
|
|
/* Requests from PM to VFS. */
|
|
#define VFS_PM_INIT (VFS_PM_RQ_BASE + 0) /* Process table exchange */
|
|
#define VFS_PM_SETUID (VFS_PM_RQ_BASE + 1) /* Set new user ID */
|
|
#define VFS_PM_SETGID (VFS_PM_RQ_BASE + 2) /* Set group ID */
|
|
#define VFS_PM_SETSID (VFS_PM_RQ_BASE + 3) /* Set session leader */
|
|
#define VFS_PM_EXIT (VFS_PM_RQ_BASE + 4) /* Process exits */
|
|
#define VFS_PM_DUMPCORE (VFS_PM_RQ_BASE + 5) /* Process is to dump core */
|
|
#define VFS_PM_EXEC (VFS_PM_RQ_BASE + 6) /* Forwarded exec call */
|
|
#define VFS_PM_FORK (VFS_PM_RQ_BASE + 7) /* Newly forked process */
|
|
#define VFS_PM_SRV_FORK (VFS_PM_RQ_BASE + 8) /* fork for system services */
|
|
#define VFS_PM_UNPAUSE (VFS_PM_RQ_BASE + 9) /* Interrupt process call */
|
|
#define VFS_PM_REBOOT (VFS_PM_RQ_BASE + 10) /* System reboot */
|
|
#define VFS_PM_SETGROUPS (VFS_PM_RQ_BASE + 11) /* Set groups */
|
|
|
|
/* Replies from VFS to PM */
|
|
#define VFS_PM_SETUID_REPLY (VFS_PM_RS_BASE + 1)
|
|
#define VFS_PM_SETGID_REPLY (VFS_PM_RS_BASE + 2)
|
|
#define VFS_PM_SETSID_REPLY (VFS_PM_RS_BASE + 3)
|
|
#define VFS_PM_EXIT_REPLY (VFS_PM_RS_BASE + 4)
|
|
#define VFS_PM_CORE_REPLY (VFS_PM_RS_BASE + 5)
|
|
#define VFS_PM_EXEC_REPLY (VFS_PM_RS_BASE + 6)
|
|
#define VFS_PM_FORK_REPLY (VFS_PM_RS_BASE + 7)
|
|
#define VFS_PM_SRV_FORK_REPLY (VFS_PM_RS_BASE + 8)
|
|
#define VFS_PM_UNPAUSE_REPLY (VFS_PM_RS_BASE + 9)
|
|
#define VFS_PM_REBOOT_REPLY (VFS_PM_RS_BASE + 10)
|
|
#define VFS_PM_SETGROUPS_REPLY (VFS_PM_RS_BASE + 11)
|
|
|
|
/* Standard parameters for all requests and replies, except PM_REBOOT */
|
|
# define VFS_PM_ENDPT m7_i1 /* process endpoint */
|
|
|
|
/* Additional parameters for PM_INIT */
|
|
# define VFS_PM_SLOT m7_i2 /* process slot number */
|
|
# define VFS_PM_PID m7_i3 /* process pid */
|
|
|
|
/* Additional parameters for PM_SETUID and PM_SETGID */
|
|
# define VFS_PM_EID m7_i2 /* effective user/group id */
|
|
# define VFS_PM_RID m7_i3 /* real user/group id */
|
|
|
|
/* Additional parameter for PM_SETGROUPS */
|
|
# define VFS_PM_GROUP_NO m7_i2 /* number of groups */
|
|
# define VFS_PM_GROUP_ADDR m7_p1 /* struct holding group data */
|
|
|
|
/* Additional parameters for PM_EXEC */
|
|
# define VFS_PM_PATH m7_p1 /* executable */
|
|
# define VFS_PM_PATH_LEN m7_i2 /* length of path including
|
|
* terminating null character
|
|
*/
|
|
# define VFS_PM_FRAME m7_p2 /* arguments and environment */
|
|
# define VFS_PM_FRAME_LEN m7_i3 /* size of frame */
|
|
# define VFS_PM_PS_STR m7_i5 /* ps_strings pointer */
|
|
|
|
/* Additional parameters for PM_EXEC_REPLY and PM_CORE_REPLY */
|
|
# define VFS_PM_STATUS m7_i2 /* OK or failure */
|
|
# define VFS_PM_PC m7_p1 /* program counter */
|
|
# define VFS_PM_NEWSP m7_p2 /* possibly-changed stack ptr */
|
|
# define VFS_PM_NEWPS_STR m7_i5 /* possibly-changed ps_strings ptr */
|
|
|
|
/* Additional parameters for PM_FORK and PM_SRV_FORK */
|
|
# define VFS_PM_PENDPT m7_i2 /* parent process endpoint */
|
|
# define VFS_PM_CPID m7_i3 /* child pid */
|
|
# define VFS_PM_REUID m7_i4 /* real and effective uid */
|
|
# define VFS_PM_REGID m7_i5 /* real and effective gid */
|
|
|
|
/* Additional parameters for PM_DUMPCORE */
|
|
# define VFS_PM_TERM_SIG m7_i2 /* process's termination signal */
|
|
|
|
/*===========================================================================*
|
|
* Messages used from VFS to file servers *
|
|
*===========================================================================*/
|
|
|
|
#define FS_BASE 0xA00 /* Requests sent by VFS to filesystem
|
|
* implementations. See <minix/vfsif.h>
|
|
*/
|
|
|
|
/*===========================================================================*
|
|
* Common requests and miscellaneous field names *
|
|
*===========================================================================*/
|
|
|
|
#define COMMON_RQ_BASE 0xE00
|
|
|
|
/* Field names for system signals (sent by a signal manager). */
|
|
#define SIGS_SIGNAL_RECEIVED (COMMON_RQ_BASE+0)
|
|
|
|
/* Common request to all processes: gcov data. */
|
|
#define COMMON_REQ_GCOV_DATA (COMMON_RQ_BASE+1)
|
|
|
|
/* Common fault injection ctl request to all processes. */
|
|
#define COMMON_REQ_FI_CTL (COMMON_RQ_BASE+2)
|
|
|
|
/*===========================================================================*
|
|
* Messages for VM server *
|
|
*===========================================================================*/
|
|
#define VM_RQ_BASE 0xC00
|
|
|
|
/* Calls from PM */
|
|
#define VM_EXIT (VM_RQ_BASE+0)
|
|
# define VME_ENDPOINT m1_i1
|
|
#define VM_FORK (VM_RQ_BASE+1)
|
|
# define VMF_ENDPOINT m1_i1
|
|
# define VMF_SLOTNO m1_i2
|
|
# define VMF_CHILD_ENDPOINT m1_i3 /* result */
|
|
#define VM_BRK (VM_RQ_BASE+2)
|
|
#define VM_EXEC_NEWMEM (VM_RQ_BASE+3)
|
|
# define VMEN_ENDPOINT m1_i1
|
|
# define VMEN_ARGSPTR m1_p1
|
|
# define VMEN_ARGSSIZE m1_i2
|
|
# define VMEN_FLAGS m1_i3 /* result */
|
|
# define VMEN_STACK_TOP m1_p2 /* result */
|
|
#define VM_WILLEXIT (VM_RQ_BASE+5)
|
|
# define VMWE_ENDPOINT m1_i1
|
|
|
|
/* General calls. */
|
|
#define VM_MMAP (VM_RQ_BASE+10)
|
|
|
|
#define VM_MUNMAP (VM_RQ_BASE+17)
|
|
# define VMUM_ADDR m_mmap.addr
|
|
# define VMUM_LEN m_mmap.len
|
|
|
|
/* to VM: inform VM about a region of memory that is used for
|
|
* bus-master DMA
|
|
*/
|
|
#define VM_ADDDMA (VM_RQ_BASE+12)
|
|
# define VMAD_EP m2_i1
|
|
# define VMAD_START m2_l1
|
|
# define VMAD_SIZE m2_l2
|
|
|
|
/* to VM: inform VM that a region of memory that is no longer
|
|
* used for bus-master DMA
|
|
*/
|
|
#define VM_DELDMA (VM_RQ_BASE+13)
|
|
# define VMDD_EP m2_i1
|
|
# define VMDD_START m2_l1
|
|
# define VMDD_SIZE m2_l2
|
|
|
|
/* to VM: ask VM for a region of memory that should not
|
|
* be used for bus-master DMA any longer
|
|
*/
|
|
#define VM_GETDMA (VM_RQ_BASE+14)
|
|
# define VMGD_PROCP m2_i1
|
|
# define VMGD_BASEP m2_l1
|
|
# define VMGD_SIZEP m2_l2
|
|
|
|
#define VM_MAP_PHYS (VM_RQ_BASE+15)
|
|
|
|
#define VM_UNMAP_PHYS (VM_RQ_BASE+16)
|
|
|
|
/* To VM: map in cache block by FS */
|
|
#define VM_MAPCACHEPAGE (VM_RQ_BASE+26)
|
|
|
|
/* To VM: identify cache block in FS */
|
|
#define VM_SETCACHEPAGE (VM_RQ_BASE+27)
|
|
|
|
/* To VM: clear all cache blocks for a device */
|
|
#define VM_CLEARCACHE (VM_RQ_BASE+28)
|
|
|
|
/* To VFS: fields for request from VM. */
|
|
# define VFS_VMCALL_REQ m10_i1
|
|
# define VFS_VMCALL_FD m10_i2
|
|
# define VFS_VMCALL_REQID m10_i3
|
|
# define VFS_VMCALL_ENDPOINT m10_i4
|
|
# define VFS_VMCALL_OFFSET m10_ull1
|
|
# define VFS_VMCALL_LENGTH m10_l3
|
|
|
|
/* Request codes to from VM to VFS */
|
|
#define VMVFSREQ_FDLOOKUP 101
|
|
#define VMVFSREQ_FDCLOSE 102
|
|
#define VMVFSREQ_FDIO 103
|
|
|
|
/* Calls from VFS. */
|
|
#define VM_VFS_REPLY (VM_RQ_BASE+30)
|
|
# define VMV_ENDPOINT m10_i1
|
|
# define VMV_RESULT m10_i2
|
|
# define VMV_REQID m10_i3
|
|
# define VMV_DEV m10_i4
|
|
# define VMV_INO m10_l1
|
|
# define VMV_FD m10_l2
|
|
# define VMV_SIZE_PAGES m10_l3
|
|
|
|
#define VM_REMAP (VM_RQ_BASE+33)
|
|
|
|
#define VM_SHM_UNMAP (VM_RQ_BASE+34)
|
|
|
|
#define VM_GETPHYS (VM_RQ_BASE+35)
|
|
|
|
#define VM_GETREF (VM_RQ_BASE+36)
|
|
|
|
#define VM_RS_SET_PRIV (VM_RQ_BASE+37)
|
|
# define VM_RS_NR m2_i1
|
|
# define VM_RS_BUF m2_l1
|
|
# define VM_RS_SYS m2_i2
|
|
|
|
#define VM_QUERY_EXIT (VM_RQ_BASE+38)
|
|
|
|
#define VM_NOTIFY_SIG (VM_RQ_BASE+39)
|
|
# define VM_NOTIFY_SIG_ENDPOINT m1_i1
|
|
# define VM_NOTIFY_SIG_IPC m1_i2
|
|
|
|
#define VM_INFO (VM_RQ_BASE+40)
|
|
|
|
/* VM_INFO 'what' values. */
|
|
#define VMIW_STATS 1
|
|
#define VMIW_USAGE 2
|
|
#define VMIW_REGION 3
|
|
|
|
#define VM_RS_UPDATE (VM_RQ_BASE+41)
|
|
|
|
#define VM_RS_MEMCTL (VM_RQ_BASE+42)
|
|
# define VM_RS_CTL_ENDPT m1_i1
|
|
# define VM_RS_CTL_REQ m1_i2
|
|
# define VM_RS_MEM_PIN 0 /* pin memory */
|
|
# define VM_RS_MEM_MAKE_VM 1 /* make VM instance */
|
|
|
|
#define VM_WATCH_EXIT (VM_RQ_BASE+43)
|
|
|
|
#define VM_REMAP_RO (VM_RQ_BASE+44)
|
|
/* same args as VM_REMAP */
|
|
|
|
#define VM_PROCCTL (VM_RQ_BASE+45)
|
|
#define VMPCTL_PARAM m9_l1
|
|
#define VMPCTL_WHO m9_l2
|
|
#define VMPCTL_M1 m9_l3
|
|
#define VMPCTL_LEN m9_l4
|
|
#define VMPCTL_FLAGS m9_l5
|
|
|
|
#define VMPPARAM_CLEAR 1 /* values for VMPCTL_PARAM */
|
|
#define VMPPARAM_HANDLEMEM 2
|
|
|
|
#define VM_VFS_MMAP (VM_RQ_BASE+46)
|
|
|
|
#define VM_GETRUSAGE (VM_RQ_BASE+47)
|
|
|
|
/* Total. */
|
|
#define NR_VM_CALLS 48
|
|
#define VM_CALL_MASK_SIZE BITMAP_CHUNKS(NR_VM_CALLS)
|
|
|
|
/* not handled as a normal VM call, thus at the end of the reserved rage */
|
|
#define VM_PAGEFAULT (VM_RQ_BASE+0xff)
|
|
# define VPF_ADDR m1_i1
|
|
# define VPF_FLAGS m1_i2
|
|
|
|
/* Basic vm calls allowed to every process. */
|
|
#define VM_BASIC_CALLS \
|
|
VM_BRK, VM_MMAP, VM_MUNMAP, VM_MAP_PHYS, VM_UNMAP_PHYS, VM_INFO, \
|
|
VM_GETRUSAGE
|
|
|
|
/*===========================================================================*
|
|
* Messages for IPC server *
|
|
*===========================================================================*/
|
|
#define IPC_BASE 0xD00
|
|
|
|
/* Shared Memory */
|
|
#define IPC_SHMGET (IPC_BASE+1)
|
|
#define IPC_SHMAT (IPC_BASE+2)
|
|
#define IPC_SHMDT (IPC_BASE+3)
|
|
#define IPC_SHMCTL (IPC_BASE+4)
|
|
|
|
/* Semaphore */
|
|
#define IPC_SEMGET (IPC_BASE+5)
|
|
#define IPC_SEMCTL (IPC_BASE+6)
|
|
#define IPC_SEMOP (IPC_BASE+7)
|
|
|
|
/*===========================================================================*
|
|
* Messages for Scheduling *
|
|
*===========================================================================*/
|
|
#define SCHEDULING_BASE 0xF00
|
|
|
|
#define SCHEDULING_NO_QUANTUM (SCHEDULING_BASE+1)
|
|
#define SCHEDULING_START (SCHEDULING_BASE+2)
|
|
#define SCHEDULING_STOP (SCHEDULING_BASE+3)
|
|
#define SCHEDULING_SET_NICE (SCHEDULING_BASE+4)
|
|
#define SCHEDULING_INHERIT (SCHEDULING_BASE+5)
|
|
|
|
/*===========================================================================*
|
|
* Messages for USB *
|
|
*===========================================================================*/
|
|
|
|
#define USB_BASE 0x1100
|
|
|
|
/* those are from driver to USBD */
|
|
#define USB_RQ_INIT (USB_BASE + 0) /* First message to HCD driver */
|
|
#define USB_RQ_DEINIT (USB_BASE + 1) /* Quit the session */
|
|
#define USB_RQ_SEND_URB (USB_BASE + 2) /* Send URB */
|
|
#define USB_RQ_CANCEL_URB (USB_BASE + 3) /* Cancel URB */
|
|
#define USB_RQ_SEND_INFO (USB_BASE + 4) /* Sends various information */
|
|
#define USB_REPLY (USB_BASE + 5)
|
|
|
|
|
|
/* those are from USBD to driver */
|
|
#define USB_COMPLETE_URB (USB_BASE + 6)
|
|
#define USB_ANNOUCE_DEV (USB_BASE + 7) /* Announce a new USB Device */
|
|
#define USB_WITHDRAW_DEV (USB_BASE + 8) /* Withdraw a allready anncounced
|
|
USB device*/
|
|
# define USB_GRANT_ID m4_l1
|
|
# define USB_GRANT_SIZE m4_l2
|
|
|
|
# define USB_URB_ID m4_l1
|
|
# define USB_RESULT m4_l2
|
|
# define USB_DEV_ID m4_l1
|
|
# define USB_DRIVER_EP m4_l2
|
|
# define USB_INTERFACES m4_l3
|
|
# define USB_RB_INIT_NAME m3_ca1
|
|
|
|
# define USB_INFO_TYPE m4_l1
|
|
# define USB_INFO_VALUE m4_l2
|
|
|
|
/*===========================================================================*
|
|
* Messages for DeviceManager (s/t like SysFS) *
|
|
*===========================================================================*/
|
|
|
|
#define DEVMAN_BASE 0x1200
|
|
|
|
#define DEVMAN_ADD_DEV (DEVMAN_BASE + 0)
|
|
#define DEVMAN_DEL_DEV (DEVMAN_BASE + 1)
|
|
#define DEVMAN_ADD_BUS (DEVMAN_BASE + 2)
|
|
#define DEVMAN_DEL_BUS (DEVMAN_BASE + 3)
|
|
#define DEVMAN_ADD_DEVFILE (DEVMAN_BASE + 4)
|
|
#define DEVMAN_DEL_DEVFILE (DEVMAN_BASE + 5)
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#define DEVMAN_REQUEST (DEVMAN_BASE + 6)
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#define DEVMAN_REPLY (DEVMAN_BASE + 7)
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#define DEVMAN_BIND (DEVMAN_BASE + 8)
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#define DEVMAN_UNBIND (DEVMAN_BASE + 9)
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# define DEVMAN_GRANT_ID m4_l1
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# define DEVMAN_GRANT_SIZE m4_l2
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# define DEVMAN_ENDPOINT m4_l3
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# define DEVMAN_DEVICE_ID m4_l2
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# define DEVMAN_RESULT m4_l1
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/*===========================================================================*
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* Messages for TTY *
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*===========================================================================*/
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#define TTY_RQ_BASE 0x1300
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#define TTY_FKEY_CONTROL (TTY_RQ_BASE + 1) /* control an F-key at TTY */
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# define FKEY_MAP 10 /* observe function key */
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# define FKEY_UNMAP 11 /* stop observing function key */
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# define FKEY_EVENTS 12 /* request open key presses */
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#define TTY_INPUT_UP (TTY_RQ_BASE + 2) /* input server is up */
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#define TTY_INPUT_EVENT (TTY_RQ_BASE + 3) /* relayed input event */
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/*===========================================================================*
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* Messages for input server and drivers *
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*===========================================================================*/
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/* The input protocol has no real replies. All messages are one-way. */
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#define INPUT_RQ_BASE 0x1500 /* from TTY to server, or server to driver */
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#define INPUT_RS_BASE 0x1580 /* from input driver to input server */
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#define INPUT_CONF (INPUT_RQ_BASE + 0) /* configure driver */
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#define INPUT_SETLEDS (INPUT_RQ_BASE + 1) /* set keyboard LEDs */
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#define INPUT_EVENT (INPUT_RS_BASE + 0) /* send input event */
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/*===========================================================================*
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* Messages for PTYFS *
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*===========================================================================*/
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#define PTYFS_BASE 0x1700
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#define PTYFS_SET (PTYFS_BASE + 0) /* add/update node */
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#define PTYFS_CLEAR (PTYFS_BASE + 1) /* delete node */
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#define PTYFS_NAME (PTYFS_BASE + 2) /* get node name */
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/*===========================================================================*
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* VFS-FS TRANSACTION IDs *
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*===========================================================================*/
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#define VFS_TRANSACTION_BASE 0xB00
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#define VFS_TRANSID (VFS_TRANSACTION_BASE + 1)
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#define IS_VFS_FS_TRANSID(type) (((type) & ~0xff) == VFS_TRANSACTION_BASE)
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/*===========================================================================*
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* Messages for character devices *
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*===========================================================================*/
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/* Base type for character device requests and responses. */
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#define CDEV_RQ_BASE 0x400
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#define CDEV_RS_BASE 0x480
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#define IS_CDEV_RQ(type) (((type) & ~0x7f) == CDEV_RQ_BASE)
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#define IS_CDEV_RS(type) (((type) & ~0x7f) == CDEV_RS_BASE)
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/* Message types for character device requests. */
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#define CDEV_OPEN (CDEV_RQ_BASE + 0) /* open a minor device */
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#define CDEV_CLOSE (CDEV_RQ_BASE + 1) /* close a minor device */
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#define CDEV_READ (CDEV_RQ_BASE + 2) /* read into a buffer */
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#define CDEV_WRITE (CDEV_RQ_BASE + 3) /* write from a buffer */
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#define CDEV_IOCTL (CDEV_RQ_BASE + 4) /* I/O control operation */
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#define CDEV_CANCEL (CDEV_RQ_BASE + 5) /* cancel suspended request */
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#define CDEV_SELECT (CDEV_RQ_BASE + 6) /* test for ready operations */
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/* Message types for character device responses. */
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#define CDEV_REPLY (CDEV_RS_BASE + 0) /* general reply code */
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#define CDEV_SEL1_REPLY (CDEV_RS_BASE + 1) /* immediate select reply */
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#define CDEV_SEL2_REPLY (CDEV_RS_BASE + 2) /* select notification reply */
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/* Bits in 'CDEV_ACCESS' field of block device open requests. */
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# define CDEV_R_BIT 0x01 /* open with read access */
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# define CDEV_W_BIT 0x02 /* open with write access */
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# define CDEV_NOCTTY 0x04 /* not to become the controlling TTY */
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/* Bits in 'CDEV_FLAGS' field of block device transfer requests. */
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# define CDEV_NOFLAGS 0x00 /* no flags are set */
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# define CDEV_NONBLOCK 0x01 /* do not suspend I/O request */
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/* Bits in 'CDEV_OPS', 'CDEV_STATUS' fields of block device select messages. */
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# define CDEV_OP_RD 0x01 /* selected for read operation */
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# define CDEV_OP_WR 0x02 /* selected for write operation */
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# define CDEV_OP_ERR 0x04 /* selected for error operation */
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# define CDEV_NOTIFY 0x08 /* notification requested */
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/* Bits in 'CDEV_STATUS' field of block device open responses. */
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# define CDEV_CLONED 0x20000000 /* device is cloned */
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# define CDEV_CTTY 0x40000000 /* device is controlling TTY */
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|
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/*===========================================================================*
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|
* Messages for block devices *
|
|
*===========================================================================*/
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/* Base type for block device requests and responses. */
|
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#define BDEV_RQ_BASE 0x500
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#define BDEV_RS_BASE 0x580
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#define IS_BDEV_RQ(type) (((type) & ~0x7f) == BDEV_RQ_BASE)
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#define IS_BDEV_RS(type) (((type) & ~0x7f) == BDEV_RS_BASE)
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|
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/* Message types for block device requests. */
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#define BDEV_OPEN (BDEV_RQ_BASE + 0) /* open a minor device */
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#define BDEV_CLOSE (BDEV_RQ_BASE + 1) /* close a minor device */
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#define BDEV_READ (BDEV_RQ_BASE + 2) /* read into a buffer */
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#define BDEV_WRITE (BDEV_RQ_BASE + 3) /* write from a buffer */
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|
#define BDEV_GATHER (BDEV_RQ_BASE + 4) /* read into a vector */
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|
#define BDEV_SCATTER (BDEV_RQ_BASE + 5) /* write from a vector */
|
|
#define BDEV_IOCTL (BDEV_RQ_BASE + 6) /* I/O control operation */
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|
|
/* Message types for block device responses. */
|
|
#define BDEV_REPLY (BDEV_RS_BASE + 0) /* general reply code */
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|
|
/* Bits in 'BDEV_ACCESS' field of block device open requests. */
|
|
# define BDEV_R_BIT 0x01 /* open with read access */
|
|
# define BDEV_W_BIT 0x02 /* open with write access */
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|
|
/* Bits in 'BDEV_FLAGS' field of block device transfer requests. */
|
|
# define BDEV_NOFLAGS 0x00 /* no flags are set */
|
|
# define BDEV_FORCEWRITE 0x01 /* force write to disk immediately */
|
|
# define BDEV_NOPAGE 0x02 /* eeprom: don't send page address */
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|
|
|
/*===========================================================================*
|
|
* Messages for Real Time Clocks *
|
|
*===========================================================================*/
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|
|
|
/* Base type for real time clock requests and responses. */
|
|
#define RTCDEV_RQ_BASE 0x1400
|
|
#define RTCDEV_RS_BASE 0x1480
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|
|
|
#define IS_RTCDEV_RQ(type) (((type) & ~0x7f) == RTCDEV_RQ_BASE)
|
|
#define IS_RTCDEV_RS(type) (((type) & ~0x7f) == RTCDEV_RS_BASE)
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|
|
|
/* Message types for real time clock requests. */
|
|
#define RTCDEV_GET_TIME (RTCDEV_RQ_BASE + 0) /* get time from hw clock */
|
|
#define RTCDEV_SET_TIME (RTCDEV_RQ_BASE + 1) /* set time in hw clock */
|
|
#define RTCDEV_PWR_OFF (RTCDEV_RQ_BASE + 2) /* set time to cut the power */
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|
|
|
/* Same as GET/SET above but using grants */
|
|
#define RTCDEV_GET_TIME_G (RTCDEV_RQ_BASE + 3) /* get time from hw clock */
|
|
#define RTCDEV_SET_TIME_G (RTCDEV_RQ_BASE + 4) /* set time in hw clock */
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|
|
|
/* Message types for real time clock responses. */
|
|
#define RTCDEV_REPLY (RTCDEV_RS_BASE + 0) /* general reply code */
|
|
|
|
/* Bits in 'lc_readclock_rtcdev.flags' field of real time clock requests. */
|
|
#define RTCDEV_NOFLAGS 0x00 /* no flags are set */
|
|
#define RTCDEV_Y2KBUG 0x01 /* Interpret 1980 as 2000 for RTC w/Y2K bug */
|
|
#define RTCDEV_CMOSREG 0x02 /* Also set the CMOS clock register bits. */
|
|
|
|
/*===========================================================================*
|
|
* Internal codes used by several services *
|
|
*===========================================================================*/
|
|
|
|
#define SUSPEND -998 /* status to suspend caller, reply later */
|
|
|
|
#endif /* !_MINIX_COM_H */
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