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* xen-hvm.c: Always return -1 when failure occurs in xen_hvm_init()Chen Gang2014-09-201-5/+4
| | | | | | | | | | | | | | | | | | | | When failure occurs, it need to use "return -1" instead of exit(1), so an upper layer has a chance to print failure information, too. For simplicity, in xen_hvm_init(), also use '-1' instead of all '-errno', since all related upper callers always exit(1) on failure. It is not a normal function, it does not release related resources when return -1, so need give related comments for it. It passes common check: "./configure --enable-xen && make && make check" "echo $? == 0" Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* memory: add parameter errp to memory_region_init_ramHu Tao2014-09-091-1/+2
| | | | | | | | | Add parameter errp to memory_region_init_ram and update all call sites to pass in &error_abort. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* xen: hvm: Abstract away memory region name refPeter Crosthwaite2014-08-281-3/+6
| | | | | | | | | The mr->name field is removed. This slipped through compile testing. Fix. Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* xen-hvm: Constify stringPeter Crosthwaite2014-08-281-2/+2
| | | | | | | | | It's constant, and sourced from existing const strings. Avoid dodgy casts by converting to const. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* xen: fix usage of ENODATARoger Pau Monne2014-08-011-2/+5
| | | | | | | | | | | | | | | ENODATA doesn't exist on FreeBSD, so ENODATA errors returned by the hypervisor are translated to ENOENT. Also, the error code is returned in errno if the call returns -1, so compare the error code with the value in errno instead of the value returned by the function. Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: xen-devel@lists.xenproject.org Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Anthony Perard <anthony.perard@citrix.com>
* Fix new typos in comments (found by codespell)Stefan Weil2014-07-181-1/+1
| | | | | | | | arbitary -> arbitrary basicly -> basically Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* xen: build on ARMStefano Stabellini2014-07-071-1/+1
| | | | | | | | | | | | Collection of fixes to build QEMU with Xen support on ARM: - use xenstore_read_fe_uint64 to retrieve the page-ref (xenfb); - use xen_pfn_t instead of unsigned long in xenfb; - unsigned long/xenpfn_t in xen_remove_from_physmap; - in xen-mapcache.c use HOST_LONG_BITS to check for QEMU's address space size. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
* xen-hvm: Handle machine opt max-ram-below-4gDon Slutz2014-06-231-12/+23
| | | | | | | | | | | This is the xen part of "pc & q35: Add new machine opt max-ram-below-4g" Note: this machine option cannot be used to increase the amount of ram below 4G. Signed-off-by: Don Slutz <dslutz@verizon.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* xen-hvm: Fix xen_hvm_init() to adjust pc memory layoutDon Slutz2014-06-231-10/+14
| | | | | | | | | This is just below_4g_mem_size and above_4g_mem_size which is used later in QEMU. Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Don Slutz <dslutz@verizon.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* xen: replace ffsl with ctzlNatanael Copa2014-06-111-1/+1
| | | | | | | | | | | | | ffsl is a GNU extension and not available in musl libc. See also commit fbeadf50 (bitops: unify bitops_ffsl with the one in host-utils.h, call it bitops_ctzl) on why ctzl should be used instead of ffsl. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> [PMM: rebased to accommodate file rename to xen-hvm.c] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* pass an inclusive address range to xc_domain_pin_memory_cacheattrStefano Stabellini2014-05-071-1/+1
| | | | | | | xc_domain_pin_memory_cacheattr expects an inclusive address range: adjust the parameters. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* xen: factor out common functionsWei Liu2014-05-071-0/+1129
So common functions used by both HVM and PV are factored out from xen-all.c to xen-common.c. Finally rename xen-all.c to xen-hvm.c, as those functions are only useful to HVM guest. Create *-stub files and modify Makefile.target to reflect the changes. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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