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Dynamic configuration in system.conf for boot system services.

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This commit is contained in:
Cristiano Giuffrida
2010-07-13 21:11:44 +00:00
parent f6e558f5d4
commit f8a8ea0a79
20 changed files with 938 additions and 629 deletions
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5
include/minix/const.h
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@@ -177,8 +177,9 @@
#define CHECK_IRQ 0x040 /* check if IRQ can be used */
#define CHECK_MEM 0x080 /* check if (VM) mem map request is allowed */
#define ROOT_SYS_PROC 0x100 /* this is a root system process instance */
#define LU_SYS_PROC 0x200 /* this is a live updated sys proc instance */
#define RST_SYS_PROC 0x400 /* this is a restarted sys proc instance */
#define VM_SYS_PROC 0x200 /* this is a vm system process instance */
#define LU_SYS_PROC 0x400 /* this is a live updated sys proc instance */
#define RST_SYS_PROC 0x800 /* this is a restarted sys proc instance */
/* Bits for device driver flags managed by RS and VFS. */
#define DRV_FORCED 0x01 /* driver is mapped even if not alive yet */

68
include/minix/priv.h
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@@ -6,6 +6,74 @@
#include <minix/com.h>
#include <minix/config.h>
/* Static privilege id definitions. */
#define NR_STATIC_PRIV_IDS NR_BOOT_PROCS
#define is_static_priv_id(id) (id >= 0 && id < NR_STATIC_PRIV_IDS)
#define static_priv_id(n) (NR_TASKS + (n))
/* Unprivileged user processes all share the privilege structure of the
* user processesess.
* This id must be fixed because it is used to check send mask entries.
*/
#define USER_PRIV_ID static_priv_id(ROOT_USR_PROC_NR)
/* Specifies a null privilege id.
*/
#define NULL_PRIV_ID (-1)
/* Allowed calls. */
#define NO_C (-1) /* no calls allowed */
#define ALL_C (-2) /* all calls allowed */
#define NULL_C (-3) /* null call entry */
/*
* Default privilege settings used in the system
*/
/* privilege flags */
#define IDL_F (SYS_PROC | BILLABLE) /* idle task is not preemptible as we
* don't want it to interfere with the
* timer tick interrupt handler code.
* Unlike other processes idle task is
* handled in a special way and is
* preempted always if timer tick occurs
* and there is another runnable process
*/
#define TSK_F (SYS_PROC) /* other kernel tasks */
#define SRV_F (SYS_PROC | PREEMPTIBLE) /* system services */
#define DSRV_F (SRV_F | DYN_PRIV_ID) /* dynamic system services */
#define RSYS_F (SRV_F | ROOT_SYS_PROC) /* root sys proc */
#define VM_F (SYS_PROC | VM_SYS_PROC) /* vm */
#define USR_F (BILLABLE | PREEMPTIBLE) /* user processes */
#define IMM_F (ROOT_SYS_PROC | VM_SYS_PROC | PREEMPTIBLE) /* immutable */
/* allowed traps */
#define CSK_T (1 << RECEIVE) /* clock and system */
#define TSK_T 0 /* other kernel tasks */
#define SRV_T (~0) /* system services */
#define DSRV_T (~0) /* dynamic system services */
#define USR_T (1 << SENDREC) /* user processes */
/* allowed targets */
#define TSK_M 0 /* all kernel tasks */
#define SRV_M (~0) /* system services */
#define DSRV_M (~0) /* dynamic system services */
#define USR_M (~0) /* user processes */
/* allowed kernel calls */
#define TSK_KC NO_C /* all kernel tasks */
#define SRV_KC ALL_C /* dynamic system services */
#define DSRV_KC ALL_C /* default sys proc */
#define USR_KC NO_C /* user processes */
/* allowed vm calls */
#define SRV_VC ALL_C /* dynamic system services */
#define DSRV_VC ALL_C /* default sys proc */
#define USR_VC ALL_C /* user processes */
/* signal manager */
#define SRV_SM ROOT_SYS_PROC_NR /* system services */
#define DSRV_SM ROOT_SYS_PROC_NR /* dynamic system services */
#define USR_SM PM_PROC_NR /* user processes */
/* scheduler */
#define SRV_SCH KERNEL /* system services */
#define DSRV_SCH SCHED_PROC_NR /* dynamic system services */

16
include/minix/rs.h
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@@ -13,14 +13,19 @@ Interface to the reincarnation server
/* RSS definitions. */
#define RSS_NR_IRQ 16
#define RSS_NR_IO 16
#define RSS_IRQ_ALL (RSS_NR_IRQ+1)
#define RSS_IO_ALL (RSS_NR_IO+1)
#define RSS_IPC_ALL "IPC_ALL"
#define RSS_IPC_ALL_SYS "IPC_ALL_SYS"
/* RSS flags. */
#define RSS_COPY 0x01 /* keep an in-memory copy of the binary */
#define RSS_IPC_VALID 0x02 /* rss_ipc and rss_ipclen are valid */
#define RSS_REUSE 0x04 /* Try to reuse previously copied binary */
#define RSS_NOBLOCK 0x08 /* unblock caller immediately */
#define RSS_REPLICA 0x10 /* keep a replica of the service */
#define RSS_SELF_LU 0x20 /* perform self update */
#define RSS_SYS_BASIC_CALLS 0x40 /* include basic kernel calls */
#define RSS_VM_BASIC_CALLS 0x80 /* include basic vm calls */
/* Common definitions. */
#define RS_NR_CONTROL 8
@@ -42,7 +47,10 @@ struct rs_start
char *rss_cmd;
size_t rss_cmdlen;
uid_t rss_uid;
int rss_nice; /* use rss_nice_encode and _decode */
endpoint_t rss_sigmgr;
endpoint_t rss_scheduler;
unsigned rss_priority;
unsigned rss_quantum;
int rss_major;
int rss_dev_style;
long rss_period;
@@ -96,9 +104,5 @@ struct rprocpub {
};
_PROTOTYPE( int minix_rs_lookup, (const char *name, endpoint_t *value));
_PROTOTYPE(int rss_nice_encode, (int *nice, endpoint_t scheduler,
unsigned priority, unsigned quantum));
_PROTOTYPE(int rss_nice_decode, (int nice, endpoint_t *scheduler,
unsigned *priority, unsigned *quantum));
#endif