From: Stefano Stabellini <sstabellini@kernel.org> To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini <stefanos@xilinx.com>, julien.grall@arm.com, sstabellini@kernel.org, ian.jackson@eu.citrix.com, wei.liu2@citrix.com Subject: [PATCH v2 04/10] libxc: introduce xc_domain_mem_map_policy Date: Tue, 30 Apr 2019 14:02:46 -0700 [thread overview] Message-ID: <1556658172-8824-4-git-send-email-sstabellini@kernel.org> (raw) In-Reply-To: <alpine.DEB.2.10.1904301358560.13269@sstabellini-ThinkPad-X260> Introduce a new libxc function that makes use of the new memory_policy parameter added to the XEN_DOMCTL_memory_mapping hypercall. The parameter values are the same for the XEN_DOMCTL_memory_mapping hypercall (0 is MEMORY_POLICY_DEFAULT). Pass MEMORY_POLICY_DEFAULT by default -- no changes in behavior. We could extend xc_domain_memory_mapping, but QEMU makes use of it, so it is easier and less disruptive to introduce a new libxc function and change the implementation of xc_domain_memory_mapping to call into it. Signed-off-by: Stefano Stabellini <stefanos@xilinx.com> CC: ian.jackson@eu.citrix.com CC: wei.liu2@citrix.com --- Changes in v2: - rename cache_policy to memory policy - rename MEMORY_POLICY_DEVMEM to MEMORY_POLICY_ARM_DEV_nGRE - rename MEMORY_POLICY_MEMORY to MEMORY_POLICY_ARM_MEM_WB - introduce xc_domain_mem_map_policy --- tools/libxc/include/xenctrl.h | 8 ++++++++ tools/libxc/xc_domain.c | 24 ++++++++++++++++++++---- 2 files changed, 28 insertions(+), 4 deletions(-) diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index 49a6b2a..16ff286 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1714,6 +1714,14 @@ int xc_deassign_dt_device(xc_interface *xch, uint32_t domid, char *path); +int xc_domain_mem_map_policy(xc_interface *xch, + uint32_t domid, + unsigned long first_gfn, + unsigned long first_mfn, + unsigned long nr_mfns, + uint32_t add_mapping, + uint32_t memory_policy); + int xc_domain_memory_mapping(xc_interface *xch, uint32_t domid, unsigned long first_gfn, diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 05d771f..02f5778 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -2042,13 +2042,14 @@ failed: return -1; } -int xc_domain_memory_mapping( +int xc_domain_mem_map_policy( xc_interface *xch, uint32_t domid, unsigned long first_gfn, unsigned long first_mfn, unsigned long nr_mfns, - uint32_t add_mapping) + uint32_t add_mapping, + uint32_t memory_policy) { DECLARE_DOMCTL; xc_dominfo_t info; @@ -2070,6 +2071,7 @@ int xc_domain_memory_mapping( domctl.cmd = XEN_DOMCTL_memory_mapping; domctl.domain = domid; domctl.u.memory_mapping.add_mapping = add_mapping; + domctl.u.memory_mapping.memory_policy = memory_policy; max_batch_sz = nr_mfns; do { @@ -2105,8 +2107,9 @@ int xc_domain_memory_mapping( * Errors here are ignored. */ if ( ret && add_mapping != DPCI_REMOVE_MAPPING ) - xc_domain_memory_mapping(xch, domid, first_gfn, first_mfn, nr_mfns, - DPCI_REMOVE_MAPPING); + xc_domain_mem_map_policy(xch, domid, first_gfn, first_mfn, nr_mfns, + DPCI_REMOVE_MAPPING, + MEMORY_POLICY_DEFAULT); /* We might get E2BIG so many times that we never advance. */ if ( !done && !ret ) @@ -2115,6 +2118,19 @@ int xc_domain_memory_mapping( return ret; } +int xc_domain_memory_mapping( + xc_interface *xch, + uint32_t domid, + unsigned long first_gfn, + unsigned long first_mfn, + unsigned long nr_mfns, + uint32_t add_mapping) +{ + return xc_domain_mem_map_policy(xch, domid, first_gfn, first_mfn, + nr_mfns, add_mapping, + MEMORY_POLICY_DEFAULT); +} + int xc_domain_ioport_mapping( xc_interface *xch, uint32_t domid, -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
WARNING: multiple messages have this Message-ID (diff)
From: Stefano Stabellini <sstabellini@kernel.org> To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini <stefanos@xilinx.com>, julien.grall@arm.com, sstabellini@kernel.org, ian.jackson@eu.citrix.com, wei.liu2@citrix.com Subject: [Xen-devel] [PATCH v2 04/10] libxc: introduce xc_domain_mem_map_policy Date: Tue, 30 Apr 2019 14:02:46 -0700 [thread overview] Message-ID: <1556658172-8824-4-git-send-email-sstabellini@kernel.org> (raw) Message-ID: <20190430210246.KPwR8UjBPB9GeoRD2E50F4h3RxCU0S6U34pkqfDRuPQ@z> (raw) In-Reply-To: <alpine.DEB.2.10.1904301358560.13269@sstabellini-ThinkPad-X260> Introduce a new libxc function that makes use of the new memory_policy parameter added to the XEN_DOMCTL_memory_mapping hypercall. The parameter values are the same for the XEN_DOMCTL_memory_mapping hypercall (0 is MEMORY_POLICY_DEFAULT). Pass MEMORY_POLICY_DEFAULT by default -- no changes in behavior. We could extend xc_domain_memory_mapping, but QEMU makes use of it, so it is easier and less disruptive to introduce a new libxc function and change the implementation of xc_domain_memory_mapping to call into it. Signed-off-by: Stefano Stabellini <stefanos@xilinx.com> CC: ian.jackson@eu.citrix.com CC: wei.liu2@citrix.com --- Changes in v2: - rename cache_policy to memory policy - rename MEMORY_POLICY_DEVMEM to MEMORY_POLICY_ARM_DEV_nGRE - rename MEMORY_POLICY_MEMORY to MEMORY_POLICY_ARM_MEM_WB - introduce xc_domain_mem_map_policy --- tools/libxc/include/xenctrl.h | 8 ++++++++ tools/libxc/xc_domain.c | 24 ++++++++++++++++++++---- 2 files changed, 28 insertions(+), 4 deletions(-) diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index 49a6b2a..16ff286 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1714,6 +1714,14 @@ int xc_deassign_dt_device(xc_interface *xch, uint32_t domid, char *path); +int xc_domain_mem_map_policy(xc_interface *xch, + uint32_t domid, + unsigned long first_gfn, + unsigned long first_mfn, + unsigned long nr_mfns, + uint32_t add_mapping, + uint32_t memory_policy); + int xc_domain_memory_mapping(xc_interface *xch, uint32_t domid, unsigned long first_gfn, diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 05d771f..02f5778 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -2042,13 +2042,14 @@ failed: return -1; } -int xc_domain_memory_mapping( +int xc_domain_mem_map_policy( xc_interface *xch, uint32_t domid, unsigned long first_gfn, unsigned long first_mfn, unsigned long nr_mfns, - uint32_t add_mapping) + uint32_t add_mapping, + uint32_t memory_policy) { DECLARE_DOMCTL; xc_dominfo_t info; @@ -2070,6 +2071,7 @@ int xc_domain_memory_mapping( domctl.cmd = XEN_DOMCTL_memory_mapping; domctl.domain = domid; domctl.u.memory_mapping.add_mapping = add_mapping; + domctl.u.memory_mapping.memory_policy = memory_policy; max_batch_sz = nr_mfns; do { @@ -2105,8 +2107,9 @@ int xc_domain_memory_mapping( * Errors here are ignored. */ if ( ret && add_mapping != DPCI_REMOVE_MAPPING ) - xc_domain_memory_mapping(xch, domid, first_gfn, first_mfn, nr_mfns, - DPCI_REMOVE_MAPPING); + xc_domain_mem_map_policy(xch, domid, first_gfn, first_mfn, nr_mfns, + DPCI_REMOVE_MAPPING, + MEMORY_POLICY_DEFAULT); /* We might get E2BIG so many times that we never advance. */ if ( !done && !ret ) @@ -2115,6 +2118,19 @@ int xc_domain_memory_mapping( return ret; } +int xc_domain_memory_mapping( + xc_interface *xch, + uint32_t domid, + unsigned long first_gfn, + unsigned long first_mfn, + unsigned long nr_mfns, + uint32_t add_mapping) +{ + return xc_domain_mem_map_policy(xch, domid, first_gfn, first_mfn, + nr_mfns, add_mapping, + MEMORY_POLICY_DEFAULT); +} + int xc_domain_ioport_mapping( xc_interface *xch, uint32_t domid, -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-04-30 21:02 UTC|newest] Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-30 21:02 [PATCH v2 0/10] iomem memory policy Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-04-30 21:02 ` [PATCH v2 01/10] xen: add a p2mt parameter to map_mmio_regions Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-02 14:59 ` Jan Beulich 2019-05-02 14:59 ` [Xen-devel] " Jan Beulich 2019-05-02 18:49 ` Stefano Stabellini 2019-05-02 18:49 ` [Xen-devel] " Stefano Stabellini 2019-05-15 13:39 ` Oleksandr 2019-05-15 13:39 ` [Xen-devel] " Oleksandr 2019-04-30 21:02 ` [PATCH v2 02/10] xen: rename un/map_mmio_regions to un/map_regions Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-01 9:22 ` Julien Grall 2019-05-01 9:22 ` [Xen-devel] " Julien Grall 2019-06-17 21:24 ` Stefano Stabellini 2019-06-18 11:05 ` Julien Grall 2019-06-18 20:19 ` Stefano Stabellini 2019-05-02 15:03 ` Jan Beulich 2019-05-02 15:03 ` [Xen-devel] " Jan Beulich 2019-05-02 18:55 ` Stefano Stabellini 2019-05-02 18:55 ` [Xen-devel] " Stefano Stabellini 2019-04-30 21:02 ` [PATCH v2 03/10] xen: extend XEN_DOMCTL_memory_mapping to handle memory policy Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-02 15:12 ` Jan Beulich 2019-05-02 15:12 ` [Xen-devel] " Jan Beulich 2019-06-17 21:28 ` Stefano Stabellini 2019-06-18 8:59 ` Jan Beulich 2019-06-18 20:32 ` Stefano Stabellini 2019-06-18 23:15 ` Stefano Stabellini 2019-06-19 6:53 ` Jan Beulich 2019-05-07 16:41 ` Julien Grall 2019-05-07 16:41 ` [Xen-devel] " Julien Grall 2019-06-17 22:43 ` Stefano Stabellini 2019-06-18 11:13 ` Julien Grall 2019-05-15 14:40 ` Oleksandr 2019-05-15 14:40 ` [Xen-devel] " Oleksandr 2019-04-30 21:02 ` Stefano Stabellini [this message] 2019-04-30 21:02 ` [Xen-devel] [PATCH v2 04/10] libxc: introduce xc_domain_mem_map_policy Stefano Stabellini 2019-04-30 21:02 ` [PATCH v2 05/10] libxl/xl: add memory policy option to iomem Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-01 9:42 ` Julien Grall 2019-05-01 9:42 ` [Xen-devel] " Julien Grall 2019-06-17 22:32 ` Stefano Stabellini 2019-06-18 11:09 ` Julien Grall 2019-06-18 11:15 ` Julien Grall 2019-06-18 22:07 ` Stefano Stabellini 2019-06-18 22:20 ` Julien Grall 2019-06-18 22:46 ` Stefano Stabellini 2019-04-30 21:02 ` [PATCH v2 06/10] xen/arm: extend device_tree_for_each_node Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-07 17:12 ` Julien Grall 2019-05-07 17:12 ` [Xen-devel] " Julien Grall 2019-04-30 21:02 ` [PATCH v2 07/10] xen/arm: make process_memory_node a device_tree_node_func Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-01 9:47 ` Julien Grall 2019-05-01 9:47 ` [Xen-devel] " Julien Grall 2019-04-30 21:02 ` [PATCH v2 08/10] xen/arm: keep track of reserved-memory regions Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-01 10:03 ` Julien Grall 2019-05-01 10:03 ` [Xen-devel] " Julien Grall 2019-06-21 23:47 ` Stefano Stabellini 2019-05-07 17:21 ` Julien Grall 2019-05-07 17:21 ` [Xen-devel] " Julien Grall 2019-04-30 21:02 ` [PATCH v2 09/10] xen/arm: map reserved-memory regions as normal memory in dom0 Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-07 19:52 ` Julien Grall 2019-05-07 19:52 ` [Xen-devel] " Julien Grall 2019-04-30 21:02 ` [PATCH v2 10/10] xen/arm: add reserved-memory regions to the dom0 memory node Stefano Stabellini 2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini 2019-05-07 20:15 ` Julien Grall 2019-05-07 20:15 ` [Xen-devel] " Julien Grall 2019-05-10 20:51 ` Stefano Stabellini 2019-05-10 20:51 ` [Xen-devel] " Stefano Stabellini 2019-05-10 21:43 ` Julien Grall 2019-05-10 21:43 ` [Xen-devel] " Julien Grall 2019-05-11 12:40 ` Julien Grall 2019-05-11 12:40 ` [Xen-devel] " Julien Grall 2019-05-20 21:26 ` Stefano Stabellini 2019-05-20 21:26 ` [Xen-devel] " Stefano Stabellini 2019-05-20 22:38 ` Julien Grall 2019-05-20 22:38 ` [Xen-devel] " Julien Grall 2019-06-05 16:30 ` Julien Grall 2019-06-21 23:47 ` Stefano Stabellini 2019-05-16 16:52 ` [PATCH v2 0/10] iomem memory policy Oleksandr 2019-05-16 16:52 ` [Xen-devel] " Oleksandr 2019-06-21 23:48 ` Stefano Stabellini
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