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* minios: add tpmfront, tpm_tis, and tpmback driversMatthew Fioravante2012-11-131-0/+16
| | | | | | | | | | | | | | | | | | | | This patch adds 3 new drivers to mini-os. tpmfront - paravirtualized tpm frontend driver tpmback - paravirtualized tpm backend driver tpm_tis - hardware tpm driver Unfortunately these drivers were derived from GPL licensed linux kernel drivers so they must carry the GPL license. However, since mini-os now supports conditional compilation, hopefully these drivers can be included into the xen tree and conditionally removed from non-gpl projects. By default they are disabled in the makefile. Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* minios: add posix io for blkfrontMatthew Fioravante2012-10-091-0/+1
| | | | | | | | | This patch adds posix io support (read,write,lseek) to block devices using blkfront. Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu> Acked-by: Samuel Thibault <samuel.thibault@ens-lyons.org> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* mini-os: make frontends and xenbus optionalDaniel De Graaf2012-02-091-0/+2
| | | | | | | | | | | | | | | | | This adds compile-time logic to disable certain frontends in mini-os: - pcifront is disabled by default, enabled for ioemu - blkfront, netfront, fbfront, kbdfront, consfront are enabled by default - xenbus is required for any frontend, and is enabled by default If all frontends and xenbus are disabled, mini-os will run without needing to communicate with xenstore, making it suitable to run the xenstore daemon. The console frontend is not required for the initial console, only consoles opened via openpt or ptmx. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Acked-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
* mini-os: remove per-fd evtchn limitAlex Zeffertt2012-02-091-8/+10
| | | | | | | | | | | | | This changes the minios evtchn implementation to use a list instead of an array which ahis allows it to grow as necessary to support any number of ports, only limited by Xen (NR_EVS is 1024, should be enough for now). Signed-off-by: Diego Ongaro <diego.ongaro@citrix.com> Signed-off-by: Alex Zeffertt <alex.zeffertt@eu.citrix.com> Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Acked-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
* mini-os: fix lib.h licenceSamuel Thibault2011-05-011-43/+37
| | | | | | | | | Update the Linux stdio functions prototypes, and move them to a separate header, licenced under GPL2+. Import FreeBSD8 string functions prototypes, update licence. Drop kvec, of unsure source and useless anyway. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
* libxl, minios: stubdom console based save/restoreStefano Stabellini2011-01-211-0/+1
| | | | | | | | | | | | | | | | Add two "special" PV consoles to stubdoms that are going to be used to send and receive the qemu-xen save files on save/restore. Use the second PV console to send the qemu-xen save file and the third PV console to receive the qemu-xen save file on restore. Fix the console shutdown function free_consfront that is called when the qemu save file is closed. Stubdom save/restore is still broken with xend. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* stubdom: mmap on /dev/mem supportKeir Fraser2009-10-211-0/+1
| | | | | | | | | | This patch adds support for mmap on /dev/mem in a stubdom; it is secure because it only works for memory areas that have been explicitly allowed by the toolstack (xc_domain_iomem_permission). Incidentally this is all that is needed to make MSI-X passthrough work with stubdoms. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* minios: Use posix_openpt() rather than non-standard openpty().Keir Fraser2009-06-181-1/+0
| | | | Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* minios: support secondary guest consoles.Keir Fraser2009-06-171-0/+4
| | | | Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* minios: grant table map (gntdev) for miniosKeir Fraser2008-07-241-0/+3
| | | | | | | | I've implemented a grant map for mini-os to support the xc_gnttab_*() functions, the equivalent of gntdev in linux. This is useful for my work in putting xenstored in a stub domain. Signed-off-by: Diego Ongaro <diego.ongaro@citrix.com>
* stubdom: fixes to compile with qemu-xenKeir Fraser2008-07-101-2/+2
| | | | | | | | | | This adds fixes to the stub domain build into compiling Ian Jackson's qemu-xen. The most notable change is that mini-os headers now #include each other through a mini-os/ prefix, so that we can turn all -I into -isystem and still be sure that we include Mini-OS headers (and not qemu's console.h or blktaplib's list.h for instance...). Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* stubdom: complete libxc supportKeir Fraser2008-05-231-0/+1
| | | | Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* pvfb/ioemu: transmit refresh interval advice from backend to frontendKeir Fraser2008-05-121-0/+4
| | | | | | which permits the frontend to avoid useless polls. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* minios: drop volatile qualifier from some status variablesKeir Fraser2008-05-061-2/+2
| | | | | | | since we already use memory barriers as approriate to prevent concurrent access with event handlers. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* minios: fix thread safety of xenbus watches by requiring callers toKeir Fraser2008-05-061-1/+1
| | | | | | | provide their own queue of events, because else we can not dispatch to watchers running in parallel. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* stubdom: sparse application's BSS by linking it separately first, putKeir Fraser2008-04-161-0/+1
| | | | | | | markers at its beginning and end, and then link with mini-os. That permits to stick a bit more to upstream qemu. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* minios: add PVFB supportKeir Fraser2008-02-261-0/+4
| | | | Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* Add stubdomain support. See stubdom/README for usage details.Keir Fraser2008-02-121-0/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Move PAGE_SIZE and STACK_SIZE into __PAGE_SIZE and __STACK_SIZE in arch_limits.h so as to permit getting them from there without pulling all the internal Mini-OS defines. - Setup a xen-elf cross-compilation environment in stubdom/cross-root - Add a POSIX layer on top of Mini-OS by linking against the newlib C library and lwIP, and implementing the Unixish part in mini-os/lib/sys.c - Cross-compile zlib and libpci too. - Add an xs.h-compatible layer on top of Mini-OS' xenbus. - Cross-compile libxc with an additional xc_minios.c and a few things disabled. - Cross-compile ioemu with an additional block-vbd, but without sound, tpm and other details. A few hacks are needed: - Align ide and scsi buffers at least on sector size to permit direct transmission to the block backend. While we are at it, just page-align it to possibly save a segment. Also, limit the scsi buffer size because of limitations of the block paravirtualization protocol. - Allocate big tables dynamically rather that letting them go to bss: when Mini-OS gets installed in memory, bss is not lazily allocated, and doing so during Mini-OS is unnecessarily trick while we can simply use malloc. - Had to change the Mini-OS compilation somehow, so as to export Mini-OS compilation flags to the Makefiles of libxc and ioemu. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* minios: Fix ia64 build.Keir Fraser2008-01-281-1/+1
| | | | Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
* minios: POSIX fixesKeir Fraser2008-01-221-1/+11
| | | | | | Fixes some functions which are POSIX. Also make them ifndef HAVE_LIBC. Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* minios: use ASSERT for BUG_ONKeir Fraser2008-01-171-0/+2
| | | | Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
* [Mini-OS] Add strrchr()Keir Fraser2007-11-231-0/+1
| | | | | | | Add strrchr(), useful e.g. for grabbing the last part of a xenbus path. Signed-off-by: Samuel Thibault <samuel.thibault@citrix.com>
* [MINIOS]Events handling cleaned up. The interface extended to providekfraser@localhost.localdomain2006-07-051-0/+13
| | | | | | | void* pointer to handlers. Signed-off-by: Steven Smith <sos22@cam.ac.uk> Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
* Change Mini-OS so that it uses stddef.h to define size_t andkaf24@firebug.cl.cam.ac.uk2006-05-041-0/+1
| | | | | | | NULL. This problem fixes errors that occur when linking Mini-OS with ANSI standard code that uses stddef.h. Signed-off-by: Keir Fraser <keir@xensource.com>
* Implement console for Mini-os and also fix 2 bugs:kaf24@firebug.cl.cam.ac.uk2006-03-151-4/+1
| | | | | | | | | a) in initialising new page table frames b) in initialising idle thread. Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
* 64 bit pagetable builder added to mm.ckaf24@firebug.cl.cam.ac.uk2006-03-091-0/+1
| | | | | | | | Signed-off-by: Aravindh Puthiyaparambil <aravindh.puthiyaparambil@unisys.com> Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
* Xenbus implementation ported from Linux to Mini-os, simple thread support ↵kaf24@firebug.cl.cam.ac.uk2005-09-091-4/+26
| | | | | | | | | | | introduced to simplify the porting. 64 bit version of Mini-os now compiles, but does not work because of the pagetables and some bits of scheduler not being written. Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
* The patch removes broken, and very complicated malloc inkaf24@firebug.cl.cam.ac.uk2005-08-261-32/+0
| | | | | | | | | favour of much simpler (and working) Xen's allocator (xmalloc by Rusty). Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
* Mini-os updates from Grzegorz Milos.kaf24@firebug.cl.cam.ac.uk2005-07-061-0/+114
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