GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 23:32:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

sparc64: expand MDESC interface

Browse source 
Add the following two APIs to Machine Description (MDESC)
- mdesc_get_node: Searches for a node in the Machine
  Description tree based on given information about
  that node.
- mdesc_get_node_info: Retrieves information about a
  given node.

Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jag Raman 2017-06-23 14:58:32 -04:00 • committed by David S. Miller
parent 01b7a47138
commit 411cb4a0b3
2 changed files with 233 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
arch/sparc/include/asm/mdesc.h
View file

@ -16,6 +16,7 @@ struct mdesc_handle *mdesc_grab(void);
void mdesc_release(struct mdesc_handle *);
#define MDESC_NODE_NULL (~(u64)0)
#define MDESC_MAX_STR_LEN 256
u64 mdesc_node_by_name(struct mdesc_handle *handle,
u64 from_node, const char *name);
@ -71,6 +72,22 @@ struct mdesc_notifier_client {
void mdesc_register_notifier(struct mdesc_notifier_client *client);
union md_node_info {
struct vdev_port {
u64 id; /* id */
u64 parent_cfg_hdl; /* parent config handle */
const char *name; /* name (property) */
} vdev_port;
struct ds_port {
u64 id; /* id */
} ds_port;
};
u64 mdesc_get_node(struct mdesc_handle *hp, const char *node_name,
union md_node_info *node_info);
int mdesc_get_node_info(struct mdesc_handle *hp, u64 node,
const char *node_name, union md_node_info *node_info);
void mdesc_fill_in_cpu_data(cpumask_t *mask);
void mdesc_populate_present_mask(cpumask_t *mask);
void mdesc_get_page_sizes(cpumask_t *mask, unsigned long *pgsz_mask);