Sanchayan Maity
6f36b466f3
This commit adds preparatory support for forthcoming message queue implementation to the Minix kernel. The core implementation will be added with the next commit.
1017 lines
41 KiB
C
1017 lines
41 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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# define SYS_MQ_OPEN (KERNEL_CALL + 58) /* sys_mq_open */
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# define SYS_MQ_CLOSE (KERNEL_CALL + 59) /* sys_mq_close */
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# define SYS_MQ_SEND (KERNEL_CALL + 60) /* sys_mq_send */
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# define SYS_MQ_REC (KERNEL_CALL + 61) /* sys_mq_rec */
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/* Total */
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#define NR_SYS_CALLS 62 /* 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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/* 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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#define SYS_PRIV_CLEAR_IPC_REFS 11 /* Clear pending IPC for the process */
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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
|
|
#define SVMCTL_PTROOT_V m1_p1
|
|
|
|
/* Reply message for VMCTL_KERN_PHYSMAP */
|
|
#define SVMCTL_MAP_FLAGS m2_i1 /* VMMF_* */
|
|
#define SVMCTL_MAP_PHYS_ADDR m2_l1
|
|
#define SVMCTL_MAP_PHYS_LEN m2_l2
|
|
|
|
#define VMMF_UNCACHED (1L << 0)
|
|
#define VMMF_USER (1L << 1)
|
|
#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 */
|
|
#define SYS_UPD_FLAGS m1_i3 /* update flags */
|
|
# define SYS_UPD_ROLLBACK 0x1 /* update is rollback */
|
|
|
|
|
|
/* Subfunctions for SYS_STATECTL */
|
|
#define SYS_STATE_CLEAR_IPC_REFS 1 /* clear IPC references */
|
|
#define SYS_STATE_SET_STATE_TABLE 2 /* set state map */
|
|
#define SYS_STATE_ADD_IPC_BL_FILTER 3 /* set IPC blacklist filter */
|
|
#define SYS_STATE_ADD_IPC_WL_FILTER 4 /* set IPC whitelist filter */
|
|
#define SYS_STATE_CLEAR_IPC_FILTERS 5 /* clear IPC filters */
|
|
|
|
/* 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_UNCLONE (RS_RQ_BASE + 7) /* unclone 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 */
|
|
#define RS_EDIT (RS_RQ_BASE + 22) /* edit system service */
|
|
#define RS_SYSCTL (RS_RQ_BASE + 23) /* perform system ctl action */
|
|
#define RS_FI (RS_RQ_BASE + 24) /* inject fault into service */
|
|
|
|
/* Subfunctions for RS_SYSCTL. */
|
|
#define RS_SYSCTL_SRV_STATUS 1
|
|
#define RS_SYSCTL_UPD_START 2
|
|
#define RS_SYSCTL_UPD_RUN 3
|
|
#define RS_SYSCTL_UPD_STOP 4
|
|
#define RS_SYSCTL_UPD_STATUS 5
|
|
|
|
/* Subfunctions for RS_FI. */
|
|
#define RS_FI_CRASH 1
|
|
|
|
/*===========================================================================*
|
|
* 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: forget cache block in FS */
|
|
#define VM_FORGETCACHEPAGE (VM_RQ_BASE+28)
|
|
|
|
/* To VM: clear all cache blocks for a device */
|
|
#define VM_CLEARCACHE (VM_RQ_BASE+29)
|
|
|
|
/* 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_RS_MEM_HEAP_PREALLOC 2 /* preallocate heap regions */
|
|
# define VM_RS_MEM_MAP_PREALLOC 3 /* preallocate mmaped regions */
|
|
# define VM_RS_MEM_GET_PREALLOC_MAP 4 /* get preallocated mmaped regions */
|
|
# define VM_RS_CTL_ADDR m2_p1
|
|
# define VM_RS_CTL_LEN m2_i3
|
|
|
|
#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)
|
|
|
|
#define VM_RS_PREPARE (VM_RQ_BASE+48)
|
|
|
|
/* Total. */
|
|
#define NR_VM_CALLS 49
|
|
#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 /* VM_GETRUSAGE is to be removed from this list ASAP */
|
|
|
|
/*===========================================================================*
|
|
* 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)
|
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#define SCHEDULING_INHERIT (SCHEDULING_BASE+5)
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/*===========================================================================*
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* Messages for USB *
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*===========================================================================*/
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#define USB_BASE 0x1100
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/* those are from driver to USBD */
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#define USB_RQ_INIT (USB_BASE + 0) /* First message to HCD driver */
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#define USB_RQ_DEINIT (USB_BASE + 1) /* Quit the session */
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#define USB_RQ_SEND_URB (USB_BASE + 2) /* Send URB */
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#define USB_RQ_CANCEL_URB (USB_BASE + 3) /* Cancel URB */
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#define USB_RQ_SEND_INFO (USB_BASE + 4) /* Sends various information */
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#define USB_REPLY (USB_BASE + 5)
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/* those are from USBD to driver */
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#define USB_COMPLETE_URB (USB_BASE + 6)
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#define USB_ANNOUCE_DEV (USB_BASE + 7) /* Announce a new USB Device */
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#define USB_WITHDRAW_DEV (USB_BASE + 8) /* Withdraw a allready anncounced
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USB device*/
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# define USB_GRANT_ID m4_l1
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# define USB_GRANT_SIZE m4_l2
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# define USB_URB_ID m4_l1
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# define USB_RESULT m4_l2
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# define USB_DEV_ID m4_l1
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# define USB_DRIVER_EP m4_l2
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# define USB_INTERFACES m4_l3
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# define USB_RB_INIT_NAME m3_ca1
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# define USB_INFO_TYPE m4_l1
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# define USB_INFO_VALUE m4_l2
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/*===========================================================================*
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* Messages for DeviceManager (s/t like SysFS) *
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*===========================================================================*/
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#define DEVMAN_BASE 0x1200
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#define DEVMAN_ADD_DEV (DEVMAN_BASE + 0)
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#define DEVMAN_DEL_DEV (DEVMAN_BASE + 1)
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#define DEVMAN_ADD_BUS (DEVMAN_BASE + 2)
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#define DEVMAN_DEL_BUS (DEVMAN_BASE + 3)
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#define DEVMAN_ADD_DEVFILE (DEVMAN_BASE + 4)
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#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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/*===========================================================================*
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* Messages for TTY *
|
|
*===========================================================================*/
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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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/*===========================================================================*
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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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|
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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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|
|
|
#define PTYFS_BASE 0x1700
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|
|
|
#define PTYFS_SET (PTYFS_BASE + 0) /* add/update node */
|
|
#define PTYFS_CLEAR (PTYFS_BASE + 1) /* delete node */
|
|
#define PTYFS_NAME (PTYFS_BASE + 2) /* get node name */
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|
|
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/*===========================================================================*
|
|
* VFS-FS TRANSACTION IDs *
|
|
*===========================================================================*/
|
|
|
|
#define VFS_TRANSACTION_BASE 0xB00
|
|
|
|
#define VFS_TRANSID (VFS_TRANSACTION_BASE + 1)
|
|
#define IS_VFS_FS_TRANSID(type) (((type) & ~0xff) == VFS_TRANSACTION_BASE)
|
|
|
|
/*===========================================================================*
|
|
* Messages for character devices *
|
|
*===========================================================================*/
|
|
|
|
/* Base type for character device requests and responses. */
|
|
#define CDEV_RQ_BASE 0x400
|
|
#define CDEV_RS_BASE 0x480
|
|
|
|
#define IS_CDEV_RQ(type) (((type) & ~0x7f) == CDEV_RQ_BASE)
|
|
#define IS_CDEV_RS(type) (((type) & ~0x7f) == CDEV_RS_BASE)
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|
|
|
/* Message types for character device requests. */
|
|
#define CDEV_OPEN (CDEV_RQ_BASE + 0) /* open a minor device */
|
|
#define CDEV_CLOSE (CDEV_RQ_BASE + 1) /* close a minor device */
|
|
#define CDEV_READ (CDEV_RQ_BASE + 2) /* read into a buffer */
|
|
#define CDEV_WRITE (CDEV_RQ_BASE + 3) /* write from a buffer */
|
|
#define CDEV_IOCTL (CDEV_RQ_BASE + 4) /* I/O control operation */
|
|
#define CDEV_CANCEL (CDEV_RQ_BASE + 5) /* cancel suspended request */
|
|
#define CDEV_SELECT (CDEV_RQ_BASE + 6) /* test for ready operations */
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|
|
|
/* Message types for character device responses. */
|
|
#define CDEV_REPLY (CDEV_RS_BASE + 0) /* general reply code */
|
|
#define CDEV_SEL1_REPLY (CDEV_RS_BASE + 1) /* immediate select reply */
|
|
#define CDEV_SEL2_REPLY (CDEV_RS_BASE + 2) /* select notification reply */
|
|
|
|
/* Bits in 'CDEV_ACCESS' field of block device open requests. */
|
|
# define CDEV_R_BIT 0x01 /* open with read access */
|
|
# define CDEV_W_BIT 0x02 /* open with write access */
|
|
# define CDEV_NOCTTY 0x04 /* not to become the controlling TTY */
|
|
|
|
/* Bits in 'CDEV_FLAGS' field of block device transfer requests. */
|
|
# define CDEV_NOFLAGS 0x00 /* no flags are set */
|
|
# define CDEV_NONBLOCK 0x01 /* do not suspend I/O request */
|
|
|
|
/* Bits in 'CDEV_OPS', 'CDEV_STATUS' fields of block device select messages. */
|
|
# define CDEV_OP_RD 0x01 /* selected for read operation */
|
|
# define CDEV_OP_WR 0x02 /* selected for write operation */
|
|
# define CDEV_OP_ERR 0x04 /* selected for error operation */
|
|
# define CDEV_NOTIFY 0x08 /* notification requested */
|
|
|
|
/* Bits in 'CDEV_STATUS' field of block device open responses. */
|
|
# define CDEV_CLONED 0x20000000 /* device is cloned */
|
|
# define CDEV_CTTY 0x40000000 /* device is controlling TTY */
|
|
|
|
/*===========================================================================*
|
|
* Messages for block devices *
|
|
*===========================================================================*/
|
|
|
|
/* Base type for block device requests and responses. */
|
|
#define BDEV_RQ_BASE 0x500
|
|
#define BDEV_RS_BASE 0x580
|
|
|
|
#define IS_BDEV_RQ(type) (((type) & ~0x7f) == BDEV_RQ_BASE)
|
|
#define IS_BDEV_RS(type) (((type) & ~0x7f) == BDEV_RS_BASE)
|
|
|
|
/* Message types for block device requests. */
|
|
#define BDEV_OPEN (BDEV_RQ_BASE + 0) /* open a minor device */
|
|
#define BDEV_CLOSE (BDEV_RQ_BASE + 1) /* close a minor device */
|
|
#define BDEV_READ (BDEV_RQ_BASE + 2) /* read into a buffer */
|
|
#define BDEV_WRITE (BDEV_RQ_BASE + 3) /* write from a buffer */
|
|
#define BDEV_GATHER (BDEV_RQ_BASE + 4) /* read into a vector */
|
|
#define BDEV_SCATTER (BDEV_RQ_BASE + 5) /* write from a vector */
|
|
#define BDEV_IOCTL (BDEV_RQ_BASE + 6) /* I/O control operation */
|
|
|
|
/* Message types for block device responses. */
|
|
#define BDEV_REPLY (BDEV_RS_BASE + 0) /* general reply code */
|
|
|
|
/* 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 */
|
|
|
|
/* 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 */
|
|
|
|
/*===========================================================================*
|
|
* Messages for Real Time Clocks *
|
|
*===========================================================================*/
|
|
|
|
/* Base type for real time clock requests and responses. */
|
|
#define RTCDEV_RQ_BASE 0x1400
|
|
#define RTCDEV_RS_BASE 0x1480
|
|
|
|
#define IS_RTCDEV_RQ(type) (((type) & ~0x7f) == RTCDEV_RQ_BASE)
|
|
#define IS_RTCDEV_RS(type) (((type) & ~0x7f) == RTCDEV_RS_BASE)
|
|
|
|
/* 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 */
|
|
|
|
/* 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 */
|
|
|
|
/* 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 */
|