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Capability accounting for quantitative capabilities - First part done.

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Need to make sure accounting charges correct containers during init.
Therefore kernel resource spending must also be accounted for.
This commit is contained in:
Bahadir Balban
2009-08-22 12:09:51 +03:00
parent de087eb1f8
commit d3d072e47d
9 changed files with 240 additions and 37 deletions
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1
include/l4/api/errno.h
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@@ -138,5 +138,6 @@
/* Codezero specific error codes */
#define EACTIVE 132 /* Task active */
#define ENOIPC 133 /* General IPC error */
#define ENOCAP 134 /* None or insufficient capability */
#endif /* __ERRNO_H__ */

7
include/l4/generic/capability.h
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@@ -71,6 +71,7 @@ struct cap_list {
void capability_init(struct capability *cap);
struct capability *capability_create(void);
struct capability *boot_capability_create(void);
static inline void cap_list_init(struct cap_list *clist)
@@ -86,6 +87,12 @@ static inline void cap_list_insert(struct capability *cap,
clist->ncaps++;
}
/* Capability checking for quantitative capabilities */
int capability_consume(struct capability *cap, int quantity);
int capability_free(struct capability *cap, int quantity);
struct capability *capability_find_by_rtype(struct cap_list *clist,
unsigned int rtype);
#if 0
/* Virtual memory space allocated to container */
struct capability cap_virtmap = {

7
include/l4/generic/resource.h
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@@ -17,7 +17,6 @@
struct boot_resources {
int nconts;
int ncaps;
int nids;
int nthreads;
int nspaces;
int npmds;
@@ -27,6 +26,7 @@ struct boot_resources {
int nkpmds;
int nkpgds;
int nkmemcaps;
int nkcaps;
};
/* List of containers */
@@ -72,6 +72,9 @@ struct kernel_container {
struct cap_list devmem_used;
struct cap_list devmem_free;
/* All other caps that belong to the kernel */
struct cap_list other_caps;
struct mem_cache *pgd_cache;
struct mem_cache *pmd_cache;
struct mem_cache *ktcb_cache;
@@ -95,6 +98,8 @@ pgd_table_t *alloc_pgd(void);
pmd_table_t *alloc_pmd(void);
struct address_space *alloc_space(void);
struct ktcb *alloc_ktcb(void);
struct ktcb *alloc_ktcb_use_capability(struct capability *cap);
struct capability *boot_alloc_capability(void);
struct capability *alloc_capability(void);
struct container *alloc_container(void);
struct mutex_queue *alloc_user_mutex(void);

1
include/l4/generic/tcb.h
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@@ -158,6 +158,7 @@ void tcb_remove(struct ktcb *tcb);
void tcb_init(struct ktcb *tcb);
struct ktcb *tcb_alloc_init(void);
struct ktcb *tcb_alloc_init_use_capability(struct capability *cap);
void tcb_delete(struct ktcb *tcb);
void init_ktcb_list(struct ktcb_list *ktcb_list);