search for: sunofblack

Displaying 8 results from an estimated 8 matches for "sunofblack".

2010 Aug 09
1
How does domain0 export information to guest through xenstore
Hi,     I am tring to write xenstore some information ,so that a guest can read, if i simply xenstore-write /foo "123" in domain 0, guest have not the permission to read this ,and guest domain number are dynamic, so i can not write a program to write /local/domain/X, which X is the domain id i want to export information to, can i ?     So, is there a path (a static path,without domain
2010 Sep 02
2
Can event channel be used in windows HVM?
Hi, I am wondering, in Linux HVM, we need platform-pci to use event channel ,right? So, can we use event channel in Windows HVM guest without platform-pci available to windows? If it''s possible , how can i do this ? Which part of code i can reference? Thanks.   _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com
2010 Oct 01
1
What the most efficient way to access HVM guest''s filesystem from dom0?
Hi, What the most efficient way to get a file from a Windows HVM guest from dom0 when the guest is running? No need to change the file, just read it. Hu Shaolong _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
2010 Oct 12
0
Howto protect windows driver in hypervisor
Hi, I want to protect a virtual driver, for exanmple an PV-on-HVM driver, i don''t want a rootkit to sabtoge it, including code and especially I/O ring it use. There are some research to protect memory in hypervisor, for instance, write protect, split SPT(which is can be used to protect user space process from kernel rootkit), but when it comes to kernel driver, is there a feasible
2010 Aug 03
1
oops when access xenstore in hvm guest
Hi,     I use follow code get xenstore ring and event channel, then i wrapped writing and reading function to operate it ,but it came to oops:     struct xenstore_domain_interface {     char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */     char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */     XENSTORE_RING_IDX req_cons, req_prod;     XENSTORE_RING_IDX rsp_cons,
2010 Aug 05
1
How can i get VA from a pfn in HVM guest
Hi,     After i get the pfn in a hvm guest using following code, how can i use it? Simply using __va() seems wrong, for the ( param.value << PAGE_SHIFT ) is feffc000 in my test module, using __va() will overflow.         xen_hvm_param_t param;     param.domid = DOMID_SELF;     param.index = HVM_PARAM_STORE_PFN;      hypercall_hvm_op(HVMOP_get_param, &param);
2010 Aug 19
0
test_bindings failed: MESSAGE_METHOD_UNKNOWN session.login_with_password
Hi,     I am testing  test_bindings.c, after compile, i run  ./test_bindings localhost:8006 root 123, but it came out :MESSAGE_METHOD_UNKNOWN session.login_with_password     I am using xen-3.4.1, and i set xend-config.sxp like this:     (xen-api-server ((9367 none)(unix none)))     (xend-tcp-xmlrpc-server yes)     (xen-tcp-xmlrpc-server-address ''localhost'')    
2010 Sep 13
1
what the role platform-pci play in comunication between HVM and domain0
Hi, Can someone interpret how HVM guest communicate with domain0, as i know, H VM can not use event channel directly, is the platform-pci offer a way to solve this? Please try to explain concretely, for example : 1.how does HVM send a event to domain0, how does domain0 catch this event, and assoicate it with a handler 2.the opposite direction, how does domain0 send event to HVM guest? Does it