Line | |
---|
1 | /****************************************************************************** |
---|
2 | * Arch-specific sysctl.c |
---|
3 | * |
---|
4 | * System management operations. For use by node control stack. |
---|
5 | * |
---|
6 | * Copyright (c) 2002-2006, K Fraser |
---|
7 | */ |
---|
8 | |
---|
9 | #include <xen/config.h> |
---|
10 | #include <xen/types.h> |
---|
11 | #include <xen/lib.h> |
---|
12 | #include <xen/mm.h> |
---|
13 | #include <xen/guest_access.h> |
---|
14 | #include <public/sysctl.h> |
---|
15 | #include <xen/sched.h> |
---|
16 | #include <xen/event.h> |
---|
17 | #include <xen/domain_page.h> |
---|
18 | #include <asm/msr.h> |
---|
19 | #include <xen/trace.h> |
---|
20 | #include <xen/console.h> |
---|
21 | #include <xen/iocap.h> |
---|
22 | #include <asm/irq.h> |
---|
23 | #include <asm/hvm/hvm.h> |
---|
24 | #include <asm/hvm/support.h> |
---|
25 | #include <asm/processor.h> |
---|
26 | |
---|
27 | long arch_do_sysctl( |
---|
28 | struct xen_sysctl *sysctl, XEN_GUEST_HANDLE(xen_sysctl_t) u_sysctl) |
---|
29 | { |
---|
30 | long ret = 0; |
---|
31 | |
---|
32 | switch ( sysctl->cmd ) |
---|
33 | { |
---|
34 | |
---|
35 | case XEN_SYSCTL_physinfo: |
---|
36 | { |
---|
37 | xen_sysctl_physinfo_t *pi = &sysctl->u.physinfo; |
---|
38 | |
---|
39 | pi->threads_per_core = |
---|
40 | cpus_weight(cpu_sibling_map[0]); |
---|
41 | pi->cores_per_socket = |
---|
42 | cpus_weight(cpu_core_map[0]) / pi->threads_per_core; |
---|
43 | pi->sockets_per_node = |
---|
44 | num_online_cpus() / cpus_weight(cpu_core_map[0]); |
---|
45 | |
---|
46 | pi->nr_nodes = 1; |
---|
47 | pi->total_pages = total_pages; |
---|
48 | pi->free_pages = avail_domheap_pages(); |
---|
49 | pi->scrub_pages = avail_scrub_pages(); |
---|
50 | pi->cpu_khz = cpu_khz; |
---|
51 | memset(pi->hw_cap, 0, sizeof(pi->hw_cap)); |
---|
52 | memcpy(pi->hw_cap, boot_cpu_data.x86_capability, NCAPINTS*4); |
---|
53 | ret = 0; |
---|
54 | if ( copy_to_guest(u_sysctl, sysctl, 1) ) |
---|
55 | ret = -EFAULT; |
---|
56 | } |
---|
57 | break; |
---|
58 | |
---|
59 | |
---|
60 | default: |
---|
61 | ret = -ENOSYS; |
---|
62 | break; |
---|
63 | } |
---|
64 | |
---|
65 | return ret; |
---|
66 | } |
---|
67 | |
---|
68 | /* |
---|
69 | * Local variables: |
---|
70 | * mode: C |
---|
71 | * c-set-style: "BSD" |
---|
72 | * c-basic-offset: 4 |
---|
73 | * tab-width: 4 |
---|
74 | * indent-tabs-mode: nil |
---|
75 | * End: |
---|
76 | */ |
---|
Note: See
TracBrowser
for help on using the repository browser.