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VM information interface

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This commit is contained in:
David van Moolenbroek
2010-01-19 21:00:20 +00:00
parent 7d51b0cce1
commit 61bb82a44b
18 changed files with 412 additions and 64 deletions
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16
include/minix/com.h
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@@ -974,13 +974,17 @@
# define VM_NOTIFY_SIG_ENDPOINT m1_i1
# define VM_NOTIFY_SIG_IPC m1_i2
#define VM_CTL (VM_RQ_BASE+40)
#define VCTL_WHAT m1_i1
#define VCTL_PARAM m1_i2
#define VM_INFO (VM_RQ_BASE+40)
# define VMI_WHAT m2_i1
# define VMI_EP m2_i2
# define VMI_COUNT m2_i3
# define VMI_PTR m2_p1
# define VMI_NEXT m2_l1
/* VCTL_PARAMs */
#define VCTLP_STATS_MEM 1
#define VCTLP_STATS_EP 2
/* VMI_WHAT values. */
#define VMIW_STATS 1
#define VMIW_USAGE 2
#define VMIW_REGION 3
/* Total. */
#define NR_VM_CALLS 41

29
include/minix/vm.h
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@@ -27,5 +27,34 @@ _PROTOTYPE( int vm_ctl, (int what, int param));
_PROTOTYPE( int vm_set_priv, (int procnr, void *buf));
_PROTOTYPE( int vm_query_exit, (int *endpt));
struct vm_stats_info {
int vsi_pagesize; /* page size */
int vsi_total; /* total number of memory pages */
int vsi_free; /* number of free pages */
int vsi_largest; /* largest number of consecutive free pages */
};
struct vm_usage_info {
vir_bytes vui_total; /* total amount of process memory */
vir_bytes vui_common; /* part of memory mapped in more than once */
vir_bytes vui_shared; /* shared (non-COW) part of common memory */
};
struct vm_region_info {
int vri_seg; /* segment of virtual region (T or D) */
vir_bytes vri_addr; /* base address of region */
vir_bytes vri_length; /* length of region */
int vri_prot; /* protection flags (PROT_) */
int vri_flags; /* memory flags (subset of MAP_) */
};
#define MAX_VRI_COUNT 64 /* max. number of regions provided at once */
_PROTOTYPE( int vm_info_stats, (struct vm_stats_info *vfi) );
_PROTOTYPE( int vm_info_usage, (endpoint_t who,
struct vm_usage_info *vui) );
_PROTOTYPE( int vm_info_region, (endpoint_t who,
struct vm_region_info *vri, int count, vir_bytes *next) );
#endif /* _MINIX_VM_H */