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[Xen-devel] [PATCH v11 8/9] xsm: add platform QoS related xsm policies



Add xsm policies for QoS monitoring related hypercalls.

Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
---
 tools/flask/policy/policy/modules/xen/xen.if | 2 +-
 tools/flask/policy/policy/modules/xen/xen.te | 3 ++-
 xen/xsm/flask/hooks.c                        | 4 ++++
 xen/xsm/flask/policy/access_vectors          | 4 ++++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tools/flask/policy/policy/modules/xen/xen.if 
b/tools/flask/policy/policy/modules/xen/xen.if
index dedc035..5e7042c 100644
--- a/tools/flask/policy/policy/modules/xen/xen.if
+++ b/tools/flask/policy/policy/modules/xen/xen.if
@@ -49,7 +49,7 @@ define(`create_domain_common', `
                        getdomaininfo hypercall setvcpucontext setextvcpucontext
                        getscheduler getvcpuinfo getvcpuextstate getaddrsize
                        getaffinity setaffinity };
-       allow $1 $2:domain2 { set_cpuid settsc setscheduler setclaim  
set_max_evtchn };
+       allow $1 $2:domain2 { set_cpuid settsc setscheduler setclaim 
set_max_evtchn pqos_monitor_op };
        allow $1 $2:security check_context;
        allow $1 $2:shadow enable;
        allow $1 $2:mmu { map_read map_write adjust memorymap physmap pinpage 
mmuext_op };
diff --git a/tools/flask/policy/policy/modules/xen/xen.te 
b/tools/flask/policy/policy/modules/xen/xen.te
index 0e63e76..41d1995 100644
--- a/tools/flask/policy/policy/modules/xen/xen.te
+++ b/tools/flask/policy/policy/modules/xen/xen.te
@@ -66,6 +66,7 @@ allow dom0_t xen_t:xen {
 };
 allow dom0_t xen_t:xen2 {
     msr_op
+    pqos_monitor_op
 };
 allow dom0_t xen_t:mmu memorymap;
 
@@ -79,7 +80,7 @@ allow dom0_t dom0_t:domain {
        getpodtarget setpodtarget set_misc_info set_virq_handler
 };
 allow dom0_t dom0_t:domain2 {
-       set_cpuid gettsc settsc setscheduler set_max_evtchn
+       set_cpuid gettsc settsc setscheduler set_max_evtchn pqos_monitor_op
 };
 allow dom0_t dom0_t:resource { add remove };
 
diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
index 277a5de..97dc1a3 100644
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -773,6 +773,10 @@ static int flask_sysctl(int cmd)
     case XEN_SYSCTL_msr_op:
         return avc_current_has_perm(SECINITSID_XEN, SECCLASS_XEN2,
                                     XEN2__MSR_OP, NULL);
+                                    
+    case XEN_SYSCTL_pqos_monitor_op:
+        return avc_current_has_perm(SECINITSID_XEN, SECCLASS_XEN2,
+                                    XEN2__PQOS_MONITOR_OP, NULL);
 
     default:
         printk("flask_sysctl: Unknown op %d\n", cmd);
diff --git a/xen/xsm/flask/policy/access_vectors 
b/xen/xsm/flask/policy/access_vectors
index 82b5484..d573eea 100644
--- a/xen/xsm/flask/policy/access_vectors
+++ b/xen/xsm/flask/policy/access_vectors
@@ -81,6 +81,8 @@ class xen2
 {
 # XEN_SYSCTL_msr_op
     msr_op
+# XEN_SYSCTL_pqos_monitor_op
+    pqos_monitor_op
 }
 
 # Classes domain and domain2 consist of operations that a domain performs on
@@ -208,6 +210,8 @@ class domain2
     cacheflush
 # Creation of the hardware domain when it is not dom0
     create_hardware_domain
+# XEN_DOMCTL_pqos_monitor_op
+    pqos_monitor_op
 }
 
 # Similar to class domain, but primarily contains domctls related to HVM 
domains
-- 
1.8.1.5


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