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| * Re-enables ptrace for paravirtualized guests.kaf24@firebug.cl.cam.ac.uk2006-05-121-31/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: - Added to_ma function which translates a physical address to a machine address for HVM guests and just returns the address for PV guests. - Use to_ma() in map_domain_va_32, map_domain_va_pae and map_domain_va_64 to abstract away differences between HVM and PV guests. - (From Keir, Ryan) Export CR0 to PV guests as well. I've removed the address checks against 0 since the last version since physical/machine address 0 should be valid. Invalid translations should be catched in xc_map_foreign_domain. Signed-Off-By: Simon Kagstrom <simon.kagstrom@bth.se>
| * Add support to domain builders for loading kernels with physical addresses ↵cl349@firebug.cl.cam.ac.uk2006-05-112-15/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | in the elf paddr and entry fields. Add a new __xen_guest header field to distinguish between kernels with the previous use of the paddr field and the new use. Add a new __xen_guest header field to control the kernel entry point, since the elf header entry field now points to a physical address. This header field is also useful for supporting alternative entry points in kernel images which run both on xen and native. Also add a kernel config option to control whether the resulting kernel should include compatibility code to run on Xen 3.0.2 or whether such code such be left out, resulting in a kernel which will only run on newer Xen versions. Default to having compatibility enabled. Kernels built with the new use of the elf header fields would otherwise not work on Xen versions prior to this changeset. Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
| * Fix a typo in xc_ptrace() and fix single-stepping when attachedkaf24@firebug.cl.cam.ac.uk2006-05-111-6/+6
| | | | | | | | | | | | to a live guest. Signed-off-by: Keir Fraser <keir@xensource.com>
* | [IA64] Strengthen dom0_getmemlistawilliam@xenbuild.aw2006-05-151-1/+3
| | | | | | | | | | | | | | | | reset num_pfns before hypercalling, more checks in hypercall, cleanup Signed-off-by: Tristan Gingold <tristan.gingold@bull.net>
* | [IA64] move evtchn_vector to shared_infoawilliam@xenbuild.aw2006-05-152-2/+2
|/ | | | | | | | Move evtchn_vector from vcpu_info to shared_info. Signed-off-by: Tristan Gingold <tristan.gingold@bull.net>
* Move Linux-specific privcmd code into private libxc implementations.kaf24@firebug.cl.cam.ac.uk2006-05-0210-111/+243
| | | | | | | | | Make header path for kernel's privcmd/evtchn headers generic. Remove pointless xi_*() interface that was using private libxc interfaces. Signed-off-by: John Levon <john.levon@sun.com>
* Define new event-channel and physdev hypercalls with a more extensiblekaf24@firebug.cl.cam.ac.uk2006-04-301-21/+16
| | | | | | | | | | | | interface (the legacy hypercalls would break if subcommands with large argument structures were added, as it would grow the size of the union of all argument structures). Also, based on a patch from Kevin Tian, add a new physdev op to signal EOI for a particular irq. Signed-off-by: Keir Fraser <keir@xensource.com>
* Recent GUEST_HANDLE related cset broke ia64 compilation.kaf24@firebug.cl.cam.ac.uk2006-04-281-2/+2
| | | | | Signed-off-by Kevin Tian <kevin.tian@intel.com>
* Rename {SG}ET_XEN_GUEST_HANDLE to {sg}et_Xen_guest_handle, as theykaf24@firebug.cl.cam.ac.uk2006-04-287-26/+26
| | | | | | | are function macros rather than define/declare macros. Signed-off-by: Keir Fraser <keir@xensource.com>
* Fix memory_op hypercall mlock/munlock wrapping after thekaf24@firebug.cl.cam.ac.uk2006-04-271-2/+2
| | | | | | | GET/SET_XEN_GUEST_HANDLE patch. Signed-off-by: Keir Fraser <keir@xensource.com>
* Wrap all GUEST_HANDLEs in structures, and define SET/GET macros to access themkaf24@firebug.cl.cam.ac.uk2006-04-277-34/+47
| | | | | | | in Linux and libxc. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
* merge with xen-unstable.hgawilliam@xenbuild.aw2006-04-251-3/+3
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| * Fix swapped calloc() arguments.kaf24@firebug.cl.cam.ac.uk2006-04-191-3/+3
| | | | | | | | | | Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
* | merge with xen-unstable.hgawilliam@xenbuild.aw2006-04-1826-852/+852
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| * Fix whitespace in libxc. Tabs are manually fixed.kaf24@firebug.cl.cam.ac.uk2006-04-1526-846/+846
| | | | | | | | | | | | | | | | Trailing whitespace removed with: perl -p -i -e 's/\s+$/\n/g' tools/libxc/*.[ch] Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
* | merge with xen-unstable.hgawilliam@xenbuild.aw2006-04-118-109/+245
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| * build: Clean up use of .PHONYkaf24@firebug.cl.cam.ac.uk2006-04-101-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | * Move .PHONY directives next to targets, this makes them a lot harder to miss * Add missing .PHONY directives * Remove nonexistent .PHONY directives * Hopefully I didn'T miss anything... Signed-Off-By: Horms <horms@verge.net.au>
| * Additional sanity / compatability checks during guest build. smh22@firebug.cl.cam.ac.uk2006-04-072-5/+48
| | | | | | | | | | Signed-off-by: Steven Hand <steven@xensource.com>
| * Make root page table sanity check on restore more generic. smh22@firebug.cl.cam.ac.uk2006-04-061-8/+4
| | | | | | | | | | Signed-off-by: Steven Hand <steven@xensource.com>
| * Add code to make handling domain poweroff/reboot symmetrical betweenkaf24@firebug.cl.cam.ac.uk2006-04-062-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | paravirtualized and fully virtualized. This approach uses the new sched_op to handle other domains than the current domain. The new code, SCHEDOP_remote_shutdown, is very much like SCHEDOP_shutdown, but is called with the id of the domain which is to be shut down. This allows fully virtualized shutdown and para-virtualized shutdown to be identical from that point forward. A paravirtualized domain uses sched_op to shut down and set the reason code. This will send a VIRQ_DOM_EXC, which can be handled in dom0 by control software. In some ways, this resembles SIGCHILD/waitpid, and is a reasonable model. The fully virtualized case has qemu invoke xm directly. This is a different path than paravirtualized. It also removes decision and policy making choices from the rest of the control software and places it within qemu. When any dom0 logic eventually gets a VIRQ_DOM_EXC, the information about the domain is gone having been destroyed by xm. A libxenctrl wrapper, xc_shutdown_domain has been added and qemu now calls it. As a freebie, #if 0 some very verbose logging code in qemu. Totally unrelated, but as long as I was there... Signed-off-by: Ben Thomas <ben@virtualiron.com>
| * Enable the setting and trapping of breakpoints for hvm guest.kaf24@firebug.cl.cam.ac.uk2006-03-311-2/+8
| | | | | | | | | | | | | | | | Catch Ctrl-C for gdbserver and let gdb break from continue command. Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>
| * More fixes to gdbserver for HVM guest debugging. Also fixkaf24@firebug.cl.cam.ac.uk2006-03-302-93/+134
| | | | | | | | | | | | | | | | | | | | writing back of register state for HVM guests. From: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Keir Fraser <keir@xensource.com>
* | [IA64] get_pfn_list workaroundawilliam@xenbuild.aw2006-04-101-20/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As we know, the mechanism for hypervisor to pass parameter through pointer is not complete. Hypervisor use copy_from/to_user functions to copy parameter to hypervisor and copy result to user, if there is a tlb miss happening and hypervisor can't handled this. This hypercall fails, there is no mechanism to handle this failure, that may cause domain crash. Get_pfn_list hypercall copy large data from hypervisor to user, it is easy to trigger this issue when creating VTI-domain. If fails, Get_pfn_list returns the number of pfn entries, and this patch will Dummy access parameter memory block to cause this tlb mapping tracked by Hypervisor, then continue to do get_pfn_list. It's a workaround before we design a new mechanism of passing parameter thr pointer. Signed-off-by: Anthony Xu <anthony.xu@intel.com>
* | [IA64] Add memory operations for xen/ia64awilliam@xenbuild.aw2006-04-041-19/+25
|/ | | | | | | | | | | | | | | | | | | | This patch removes ugly hack upon memory operation and thus allow inc/decrease_reservation op available for xen/ia64 now. As a result: * Now we conform to common sequence where all domain pages are allocated together by increase_reservation before image builder * physmap table is now built at point of arch_set_info_guest * DOM0_GETMEMLIST can only query without allocation now After this patch, some long-existing hacks due to mismatched memory interface are cleaned this time. Also this is a base step toward introducing balloon feature into xen/ia64. Signed-off-by Kevin Tian <kevin.tian@intel.com>
* Fix 64-bit HVM guest debug via gdbserver:kaf24@firebug.cl.cam.ac.uk2006-03-263-13/+155
| | | | | | | | | | | | | 1. gdb_regs for 64bit, and macros to transfer regisers between ptrace registers to gdb registers 2. xc_ptrace code building for 64bit 3. Implementation of new map_domain_va for 64bit 4. gdbserver-xen build configuration fixes for 64bit From: Nitin Kamble Signed-off-by: Keir Fraser <keir@xensource.com>
* Remove unnecessary zlib includes.kaf24@firebug.cl.cam.ac.uk2006-03-232-2/+0
| | | | | | Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
* The current ptrace code is traversing the page table structures tokaf24@firebug.cl.cam.ac.uk2006-03-211-26/+30
| | | | | | | | | | | | | guest guest physical address, even when the guest paging is disabled. The gdbserver-xen tries to access guest pdes & ptes to map memory of hvm guest being debugged; and it gets a seg-fault because guest has not setup it's paging yet. The attached patch adds guest paging state check, so that the map_domain_va() can get the correct guest physical address from guest va. Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
* Fix VMX guest can not be created on PAE xen with more than 4G RAM.kaf24@firebug.cl.cam.ac.uk2006-03-191-44/+42
| | | | | | | | | Also change v_end type from unsigned long to unsigned long long, for we will have PAE VMX guest with more than 4G memory on PAE xen. Signed-off-by: Xin Li <xin.b.li@intel.com>
* mergeawilliam@xenbuild.aw2006-03-171-4/+5
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| * Fix the gzip size extraction in xc_inflate_buffer(). Extractkaf24@firebug.cl.cam.ac.uk2006-03-171-4/+5
| | | | | | | | | | | | | | | | bytes as unsigned quantities. Signed-off-by: David Lively <dlively@virtualiron.com>
* | mergeawilliam@xenbuild.aw2006-03-1415-310/+737
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| * Trivial ia64 tools build fix.kaf24@firebug.cl.cam.ac.uk2006-03-141-1/+0
| | | | | | | | | | | | Signed-off-by: Alex Williamson <alex.williamson@hp.com>
| * Fix memory leak in xc_domain_dumpcore and simplify copy_from_domain_page.kaf24@firebug.cl.cam.ac.uk2006-03-141-9/+10
| | | | | | | | | | | | Signed-off-by: Keir Fraser <keir@xensource.com>
| * Fix a typo in a comment -- vmxloader is now hvmloader.kaf24@firebug.cl.cam.ac.uk2006-03-141-1/+1
| | | | | | | | | | | | Signed-off-by: Andrew D. Ball <aball@us.ibm.com>
| * The existing xc_domain_dumpcore is very specific to disk/file basedkaf24@firebug.cl.cam.ac.uk2006-03-132-48/+118
| | | | | | | | | | | | | | | | | | | | | | | | | | output. Refactor the code slightly to allow more user-specified control. This is done by adding a parallel xc_domain_dumpcore_via_callback, which allows the specification of a callback routine and an opaque argument block. The existing dumpcore routine is modified to use the callback for all write operations and to turn the single seek into a small write (it's for page alignment). Signed-off-by: Ben Thomas <bthomas@virtualiron.com>
| * Replace memory_op subcommands reserved_phys_area and map_shared_infokaf24@firebug.cl.cam.ac.uk2006-03-102-19/+28
| | | | | | | | | | | | | | | | | | | | | | with new subcommand add_to_physmap. This changes the domain0 tools interface, but only when building shadow-translate-mode guests. Signed-off-by: Keir Fraser <keir@xensource.com>
| * Fix a few small issues in xc_domain_dumpcore:kaf24@firebug.cl.cam.ac.uk2006-03-091-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | xc_domain_getinfo returns information about a domain, but not necessarily the one you asked about. Add check for this. max_vcpu_id in xc_domain_getinfo is really an ID, not a count, so make the loop include the last VCPU Signed-off-by: Ben Thomas <ben@virtualiron.com>
| * Move 'debug' build option into the outermost Config.mk file.kaf24@firebug.cl.cam.ac.uk2006-03-091-3/+0
| | | | | | | | | | | | Signed-off-by: Keir Fraser <keir@xensource.com>
| * Clean up the usage of CFLAGS. This is nice for packagers, who wouldkaf24@firebug.cl.cam.ac.uk2006-03-091-1/+0
| | | | | | | | | | | | | | | | like to control the base compilation flags from a central place. Signed-off-by: Charles Coffing <ccoffing@novell.com>
| * Change the location of the shared_info page for auto_translated_physmap guests.cl349@firebug.cl.cam.ac.uk2006-03-091-67/+72
| | | | | | | | | | | | | | | | | | | | Instead of putting the page outside of the guests pseudo-physical address space, we put it next to the other pages filled by the domain builder, such that the page is already mapped in the initial pagetables and/or a lowmem-type memory mapping. Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
| * Make xc_linux_build() load the initrd page-by-page ratherkaf24@firebug.cl.cam.ac.uk2006-03-092-60/+104
| | | | | | | | | | | | | | | | | | than all in one go, to conserve memory. This always has been the behaviour, but it was changed by a changeset earlier today. Signed-off-by: Keir Fraser <keir@xensource.com>
| * Clean up internal libxc functions to take 'const char *'kaf24@firebug.cl.cam.ac.uk2006-03-0910-65/+65
| | | | | | | | | | | | | | | | parameters where possible, to avoid unnecessary casts. Signed-off-by: Keir Fraser <keir@xensource.com>
| * Add a parallel set of APIs to the domain builders to allow images andkaf24@firebug.cl.cam.ac.uk2006-03-096-112/+383
| | | | | | | | | | | | | | | | | | | | | | | | | | | | ramdisks to be passed via buffer, rather than via file. This allows usage of the underlying domain building routines in "file-challenged" enviroments. Specifically, xc_linux_build_mem is the buffer oriented version of the file-oriented xc_linux_build. Likewise, xc_hvm_build_mem is the buffer oriented analog of the file based xc_hvm_build. Signed-off-by: Ben Thomas (bthomas@virtualiron.com)
| * Fix order-of-evaluation issue in xc_domain_dumpcore. The intent iskaf24@firebug.cl.cam.ac.uk2006-03-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | to move blocks of memory 4096 pages at a time, and a buffer is allocated for this. Unfortunately, the #define is without parentheses and %/* are the same order and evaluated left to right. Result: very big buffer being used 4 pages at a time. Signed-off-by: Ben Thomas (bthomas@virtualiron.com)
| * Simplify ptrace_names array declaration.kaf24@firebug.cl.cam.ac.uk2006-03-061-1/+1
| | | | | | | | | | | | Signed-off-by: Keir Fraser <keir@xensource.com>
| * Fix build with some gcc versions.kaf24@firebug.cl.cam.ac.uk2006-03-062-3/+30
| | | | | | | | | | | | Signed-off-by: Keir Fraser <keir@xensource.com>
* | [IA64] fix print out in ia64 setup_guest()awilliam@xenbuild.aw2006-03-101-2/+6
|/ | | | | | Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
* libxc: Verify Magic number when reading dumpkaf24@firebug.cl.cam.ac.uk2006-03-063-1/+9
| | | | | | | | | | The xen core files record a magic number, but when they are loaded it isn't checked. This patch resolves this. Signed-Off-By: Horms <horms@verge.net.au>
* Consolidate xc_ptrace and xc_ptrace_corekaf24@firebug.cl.cam.ac.uk2006-03-063-131/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * xc_ptrace - Merge xc_ptrace_core into xc_ptrace - ATTACH now reads the data argument. If non-zero then a corefile is being debuged. Otherwise a thread has been attached to. This allows xc_waitdomain_core() or xc_waitdomain() to be called as appropriate in subsequent xc_ptrace() calls. * xc_waitdomain - Rename xc_waitdomain (xc_ptrace.c version) __xc_waitdomain - Rename xc_waitdomain (xc_ptrace_core.c version) xc_waitdomain_core - Create xc_waitdomain (in xc_ptrace.c), a wrapper for __xc_waitdomain and xc_waitdomain_core. Consolidation seemed difficult but ctxt needs to be passed into xc_waitdomain_core or made global. Alternatively, xc_waitdomain_core could be moved into xc_ptrace.c, but this seems messy. * map_domain_va - Rename map_domain_va (xc_ptrace_core.c version) map_domain_va_core - Have it accept ctxt, like xc_waitdomain_core * myptrace and myxcwait (linux-xen-low.c) Removed, call the now generic xc_ptrace() and xc_waitdomain() instead When calling xc_ptrace ATTACH, if a corefile is in use, a fd will be passed, otherwise a pid. The fd part is important, as this is saved internally in xc_ptrace_core.c, and passed to xc_waitdomain_core() as neccessary. Pereviously xc_waitdomain_core() received a pid and thus could not open the corefile. Signed-Off-By: Horms <horms@verge.net.au>
* libxc: xc_ptrace cleanupskaf24@firebug.cl.cam.ac.uk2006-03-063-207/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | General Cleanups * Use { after if consistently in xc_ptrace.c and xc_ptrace_core.c (But not in xc_ptrace_core() which should be removed shortly) * Remove duplicate code and centralise around xc_ptrace.h * Avoid ifing values covered by case in xc_ptrace() - PTRACE_GETREGS, PTRACE_GETFPREGS and PTRACE_GETFPXREGS are grouped into a single case, and then with the exception of a call to FETCH_REGS(), different code is executed based on ifing the values covered by the case. The PTRACE_GETFPREGS and PTRACE_GETFPXREGS code is actually a duplicate. This patch breaks the code out to two different cases. Error Handling * Eliminate FETCH_REGS macro as it forces several functions to have an otherwise uneeded error_out label, mittigating any code savins. * Rework error handling in xc_ptrace(). - Remove FETCH_REGS as above - Make sure that all dom0 errors are caught - Make sure errno is always set on error * Eliminate gotos in xc_ptrace_core.c that do nothing but return Signed-Off-By: Horms <horms@verge.net.au>
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