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[for-4.19?,v4,6/6] tools/ocaml: Add altp2m_count parameter

Message ID 9ae1893beea2bb043413c014bd4adf6cbdab0aa7.1716029860.git.w1benny@gmail.com (mailing list archive)
State Superseded
Headers show
Series x86: Make MAX_ALTP2M configurable | expand

Commit Message

Petr Beneš May 18, 2024, 11:02 a.m. UTC 
From: Petr Beneš <w1benny@gmail.com>

Allow developers using the OCaml bindings to set the altp2m_count parameter.

Signed-off-by: Petr Beneš <w1benny@gmail.com>
Acked-by: Christian Lindig <christian.lindig@cloud.com>
---
 tools/ocaml/libs/xc/xenctrl.ml      |  1 +
 tools/ocaml/libs/xc/xenctrl.mli     |  1 +
 tools/ocaml/libs/xc/xenctrl_stubs.c | 11 +++++++----
 3 files changed, 9 insertions(+), 4 deletions(-)

--
2.34.1
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Patch

diff --git a/tools/ocaml/libs/xc/xenctrl.ml b/tools/ocaml/libs/xc/xenctrl.ml
index 55923857ec..dfb3d331c9 100644
--- a/tools/ocaml/libs/xc/xenctrl.ml
+++ b/tools/ocaml/libs/xc/xenctrl.ml
@@ -85,6 +85,7 @@  type domctl_create_config =
     max_grant_frames: int;
     max_maptrack_frames: int;
     max_grant_version: int;
+    altp2m_count: int;
     vmtrace_buf_kb: int32;
     cpupool_id: int32;
     arch: arch_domainconfig;
diff --git a/tools/ocaml/libs/xc/xenctrl.mli b/tools/ocaml/libs/xc/xenctrl.mli
index 9b4b45db3a..ff0e309c56 100644
--- a/tools/ocaml/libs/xc/xenctrl.mli
+++ b/tools/ocaml/libs/xc/xenctrl.mli
@@ -77,6 +77,7 @@  type domctl_create_config = {
   max_grant_frames: int;
   max_maptrack_frames: int;
   max_grant_version: int;
+  altp2m_count: int;
   vmtrace_buf_kb: int32;
   cpupool_id: int32;
   arch: arch_domainconfig;
diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c b/tools/ocaml/libs/xc/xenctrl_stubs.c
index 2b6d3c09df..1f544cd2e4 100644
--- a/tools/ocaml/libs/xc/xenctrl_stubs.c
+++ b/tools/ocaml/libs/xc/xenctrl_stubs.c
@@ -210,9 +210,10 @@  CAMLprim value stub_xc_domain_create(value xch_val, value wanted_domid, value co
 #define VAL_MAX_GRANT_FRAMES    Field(config, 6)
 #define VAL_MAX_MAPTRACK_FRAMES Field(config, 7)
 #define VAL_MAX_GRANT_VERSION   Field(config, 8)
-#define VAL_VMTRACE_BUF_KB      Field(config, 9)
-#define VAL_CPUPOOL_ID          Field(config, 10)
-#define VAL_ARCH                Field(config, 11)
+#define VAL_ALTP2M_COUNT        Field(config, 9)
+#define VAL_VMTRACE_BUF_KB      Field(config, 10)
+#define VAL_CPUPOOL_ID          Field(config, 11)
+#define VAL_ARCH                Field(config, 12)

 	uint32_t domid = Int_val(wanted_domid);
 	uint64_t vmtrace_size = Int32_val(VAL_VMTRACE_BUF_KB);
@@ -230,6 +231,7 @@  CAMLprim value stub_xc_domain_create(value xch_val, value wanted_domid, value co
 		.max_maptrack_frames = Int_val(VAL_MAX_MAPTRACK_FRAMES),
 		.grant_opts =
 		    XEN_DOMCTL_GRANT_version(Int_val(VAL_MAX_GRANT_VERSION)),
+		.nr_altp2m = Int_val(VAL_ALTP2M_COUNT),
 		.vmtrace_size = vmtrace_size,
 		.cpupool_id = Int32_val(VAL_CPUPOOL_ID),
 	};
@@ -257,7 +259,7 @@  CAMLprim value stub_xc_domain_create(value xch_val, value wanted_domid, value co
 #if defined(__i386__) || defined(__x86_64__)

 		/* Quick & dirty check for ABI changes. */
-		BUILD_BUG_ON(sizeof(cfg) != 64);
+		BUILD_BUG_ON(sizeof(cfg) != 68);

         /* Mnemonics for the named fields inside xen_x86_arch_domainconfig */
 #define VAL_EMUL_FLAGS          Field(arch_domconfig, 0)
@@ -288,6 +290,7 @@  CAMLprim value stub_xc_domain_create(value xch_val, value wanted_domid, value co
 #undef VAL_ARCH
 #undef VAL_CPUPOOL_ID
 #undef VAL_VMTRACE_BUF_KB
+#undef VAL_ALTP2M_COUNT
 #undef VAL_MAX_GRANT_VERSION
 #undef VAL_MAX_MAPTRACK_FRAMES
 #undef VAL_MAX_GRANT_FRAMES