From af2a20e40e92da6c5383b66bc507bdb7d15ff829 Mon Sep 17 00:00:00 2001 From: Ross Lagerwall Date: Thu, 25 Jan 2018 12:26:36 +0100 Subject: [PATCH] libxendevicemodel: provide xendevicemodel_pin_memory_cacheattr Signed-off-by: Ross Lagerwall Acked-by: Ian Jackson Reviewed-by: Paul Durrant --- tools/libs/devicemodel/core.c | 19 +++++++++++++++++++ .../libs/devicemodel/include/xendevicemodel.h | 14 ++++++++++++++ tools/libs/devicemodel/libxendevicemodel.map | 1 + 3 files changed, 34 insertions(+) diff --git a/tools/libs/devicemodel/core.c b/tools/libs/devicemodel/core.c index 4ae15e14e4..23924e9a38 100644 --- a/tools/libs/devicemodel/core.c +++ b/tools/libs/devicemodel/core.c @@ -584,6 +584,25 @@ int xendevicemodel_relocate_memory( return xendevicemodel_op(dmod, domid, 1, &op, sizeof(op)); } +int xendevicemodel_pin_memory_cacheattr( + xendevicemodel_handle *dmod, domid_t domid, uint64_t start, uint64_t end, + uint32_t type) +{ + struct xen_dm_op op; + struct xen_dm_op_pin_memory_cacheattr *data; + + memset(&op, 0, sizeof(op)); + + op.op = XEN_DMOP_pin_memory_cacheattr; + data = &op.u.pin_memory_cacheattr; + + data->start = start; + data->end = end; + data->type = type; + + return xendevicemodel_op(dmod, domid, 1, &op, sizeof(op)); +} + int xendevicemodel_restrict(xendevicemodel_handle *dmod, domid_t domid) { return osdep_xendevicemodel_restrict(dmod, domid); diff --git a/tools/libs/devicemodel/include/xendevicemodel.h b/tools/libs/devicemodel/include/xendevicemodel.h index e5e047ee58..9b89f328f5 100644 --- a/tools/libs/devicemodel/include/xendevicemodel.h +++ b/tools/libs/devicemodel/include/xendevicemodel.h @@ -339,6 +339,20 @@ int xendevicemodel_relocate_memory( xendevicemodel_handle *dmod, domid_t domid, uint32_t size, uint64_t src_gfn, uint64_t dst_gfn); +/** + * Pins caching type of RAM space. + * + * @parm dmod a handle to an open devicemodel interface. + * @parm domid the domain id to be serviced + * @parm start Start gfn + * @parm end End gfn + * @parm type XEN_DOMCTL_MEM_CACHEATTR_* + * @return 0 on success, -1 on failure. + */ +int xendevicemodel_pin_memory_cacheattr( + xendevicemodel_handle *dmod, domid_t domid, uint64_t start, uint64_t end, + uint32_t type); + /** * This function restricts the use of this handle to the specified * domain. diff --git a/tools/libs/devicemodel/libxendevicemodel.map b/tools/libs/devicemodel/libxendevicemodel.map index 4c967b3159..04797b239d 100644 --- a/tools/libs/devicemodel/libxendevicemodel.map +++ b/tools/libs/devicemodel/libxendevicemodel.map @@ -31,4 +31,5 @@ VERS_1.1 { VERS_1.2 { global: xendevicemodel_relocate_memory; + xendevicemodel_pin_memory_cacheattr; } VERS_1.1; -- 2.30.2