[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH V2 5/25] tools/libxc: Add viommu operations in libxc
On Wed, Aug 09, 2017 at 04:34:06PM -0400, Lan Tianyu wrote: > From: Chao Gao <chao.gao@xxxxxxxxx> > > This patch adds XEN_DOMCTL_viommu_op hypercall. This hypercall > comprises three sub-command: > - query capabilities of one specific type vIOMMU emulated by Xen > - create vIOMMU in Xen hypervisor, given viommu type, register-set location > and capabilities > - destroy vIOMMU specified by viommu_id > > Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx> > Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> This needs to get rebased in accordance with the proposed name changes in the struct. > + > +#include "xc_private.h" > + > +int xc_viommu_query_cap(xc_interface *xch, domid_t dom, > + uint64_t type, uint64_t *cap) > +{ > + int rc; > + DECLARE_DOMCTL; > + > + domctl.cmd = XEN_DOMCTL_viommu_op; > + domctl.domain = (domid_t)dom; Pointless cast here and below. > + domctl.u.viommu_op.cmd = XEN_DOMCTL_query_viommu_caps; > + domctl.u.viommu_op.u.query_caps.viommu_type = type; > + > + rc = do_domctl(xch, &domctl); > + if ( !rc ) > + *cap = domctl.u.viommu_op.u.query_caps.capabilities; Blank line here please. > + return rc; > +} > + > +int xc_viommu_create(xc_interface *xch, domid_t dom, uint64_t type, > + uint64_t base_addr, uint64_t length, uint64_t cap, > + uint32_t *viommu_id) > +{ > + int rc; > + DECLARE_DOMCTL; > + > + domctl.cmd = XEN_DOMCTL_viommu_op; > + domctl.domain = (domid_t)dom; > + domctl.u.viommu_op.cmd = XEN_DOMCTL_create_viommu; > + domctl.u.viommu_op.u.create_viommu.viommu_type = type; > + domctl.u.viommu_op.u.create_viommu.base_address = base_addr; > + domctl.u.viommu_op.u.create_viommu.length = length; > + domctl.u.viommu_op.u.create_viommu.capabilities = cap; > + > + rc = do_domctl(xch, &domctl); > + if ( !rc ) > + *viommu_id = domctl.u.viommu_op.u.create_viommu.viommu_id; Ditto. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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