[PATCH 3/4] vcpupin: implement the remote protocol to address the new API

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This patch implements the remote protocol to address the new API
(virDomainPinVcpuFlags).

Signed-off-by: Taku Izumi <izumi.taku@xxxxxxxxxxxxxx>
---
 daemon/remote.c                     |   37 +++++++++++++++++++++++++++++++++
 daemon/remote_dispatch_args.h       |    1 
 daemon/remote_dispatch_prototypes.h |    8 +++++++
 daemon/remote_dispatch_table.h      |    5 ++++
 src/remote/remote_driver.c          |   40 +++++++++++++++++++++++++++++++++++-
 src/remote/remote_protocol.c        |   16 ++++++++++++++
 src/remote/remote_protocol.h        |   14 ++++++++++++
 src/remote/remote_protocol.x        |   10 ++++++++-
 src/remote_protocol-structs         |    9 ++++++++
 9 files changed, 138 insertions(+), 2 deletions(-)

Index: libvirt/daemon/remote.c
===================================================================
--- libvirt.orig/daemon/remote.c
+++ libvirt/daemon/remote.c
@@ -2196,6 +2196,43 @@ remoteDispatchDomainPinVcpu (struct qemu
 }
 
 static int
+remoteDispatchDomainPinVcpuFlags (struct qemud_server *server ATTRIBUTE_UNUSED,
+                                  struct qemud_client *client ATTRIBUTE_UNUSED,
+                                  virConnectPtr conn,
+                                  remote_message_header *hdr ATTRIBUTE_UNUSED,
+                                  remote_error *rerr,
+                                  remote_domain_pin_vcpu_flags_args *args,
+                                  void *ret ATTRIBUTE_UNUSED)
+{
+    virDomainPtr dom;
+    int rv;
+
+    dom = get_nonnull_domain (conn, args->dom);
+    if (dom == NULL) {
+        remoteDispatchConnError(rerr, conn);
+        return -1;
+    }
+
+    if (args->cpumap.cpumap_len > REMOTE_CPUMAP_MAX) {
+        virDomainFree(dom);
+        remoteDispatchFormatError (rerr, "%s", _("cpumap_len > REMOTE_CPUMAP_MAX"));
+        return -1;
+    }
+
+    rv = virDomainPinVcpuFlags (dom, args->vcpu,
+                                (unsigned char *) args->cpumap.cpumap_val,
+                                args->cpumap.cpumap_len,
+                                args->flags);
+    if (rv == -1) {
+        remoteDispatchConnError(rerr, conn);
+        virDomainFree(dom);
+        return -1;
+    }
+    virDomainFree(dom);
+    return 0;
+}
+
+static int
 remoteDispatchDomainReboot (struct qemud_server *server ATTRIBUTE_UNUSED,
                             struct qemud_client *client ATTRIBUTE_UNUSED,
                             virConnectPtr conn,
Index: libvirt/daemon/remote_dispatch_args.h
===================================================================
--- libvirt.orig/daemon/remote_dispatch_args.h
+++ libvirt/daemon/remote_dispatch_args.h
@@ -178,3 +178,4 @@
     remote_domain_migrate_set_max_speed_args val_remote_domain_migrate_set_max_speed_args;
     remote_storage_vol_upload_args val_remote_storage_vol_upload_args;
     remote_storage_vol_download_args val_remote_storage_vol_download_args;
+    remote_domain_pin_vcpu_flags_args val_remote_domain_pin_vcpu_flags_args;
Index: libvirt/daemon/remote_dispatch_prototypes.h
===================================================================
--- libvirt.orig/daemon/remote_dispatch_prototypes.h
+++ libvirt/daemon/remote_dispatch_prototypes.h
@@ -506,6 +506,14 @@ static int remoteDispatchDomainPinVcpu(
     remote_error *err,
     remote_domain_pin_vcpu_args *args,
     void *ret);
+static int remoteDispatchDomainPinVcpuFlags(
+    struct qemud_server *server,
+    struct qemud_client *client,
+    virConnectPtr conn,
+    remote_message_header *hdr,
+    remote_error *err,
+    remote_domain_pin_vcpu_flags_args *args,
+    void *ret);
 static int remoteDispatchDomainReboot(
     struct qemud_server *server,
     struct qemud_client *client,
Index: libvirt/daemon/remote_dispatch_table.h
===================================================================
--- libvirt.orig/daemon/remote_dispatch_table.h
+++ libvirt/daemon/remote_dispatch_table.h
@@ -1052,3 +1052,8 @@
     .args_filter = (xdrproc_t) xdr_remote_storage_vol_download_args,
     .ret_filter = (xdrproc_t) xdr_void,
 },
+{   /* DomainPinVcpuFlags => 210 */
+    .fn = (dispatch_fn) remoteDispatchDomainPinVcpuFlags,
+    .args_filter = (xdrproc_t) xdr_remote_domain_pin_vcpu_flags_args,
+    .ret_filter = (xdrproc_t) xdr_void,
+},
Index: libvirt/src/remote/remote_driver.c
===================================================================
--- libvirt.orig/src/remote/remote_driver.c
+++ libvirt/src/remote/remote_driver.c
@@ -3046,6 +3046,44 @@ done:
 }
 
 static int
+remoteDomainPinVcpuFlags (virDomainPtr domain,
+                          unsigned int vcpu,
+                          unsigned char *cpumap,
+                          int maplen,
+                          unsigned int flags)
+{
+    int rv = -1;
+    remote_domain_pin_vcpu_flags_args args;
+    struct private_data *priv = domain->conn->privateData;
+
+    remoteDriverLock(priv);
+
+    if (maplen > REMOTE_CPUMAP_MAX) {
+        remoteError(VIR_ERR_RPC,
+                    _("map length greater than maximum: %d > %d"),
+                    maplen, REMOTE_CPUMAP_MAX);
+        goto done;
+    }
+
+    make_nonnull_domain (&args.dom, domain);
+    args.vcpu = vcpu;
+    args.cpumap.cpumap_len = maplen;
+    args.cpumap.cpumap_val = (char *) cpumap;
+    args.flags = flags;
+
+    if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_PIN_VCPU_FLAGS,
+              (xdrproc_t) xdr_remote_domain_pin_vcpu_flags_args, (char *) &args,
+              (xdrproc_t) xdr_void, (char *) NULL) == -1)
+        goto done;
+
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
+
+static int
 remoteDomainGetVcpus (virDomainPtr domain,
                       virVcpuInfoPtr info,
                       int maxinfo,
@@ -11231,7 +11269,7 @@ static virDriver remote_driver = {
     remoteDomainSetVcpusFlags, /* domainSetVcpusFlags */
     remoteDomainGetVcpusFlags, /* domainGetVcpusFlags */
     remoteDomainPinVcpu, /* domainPinVcpu */
-    NULL, /* domainPinVcpuFlags */
+    remoteDomainPinVcpuFlags, /* domainPinVcpuFlags */
     remoteDomainGetVcpus, /* domainGetVcpus */
     remoteDomainGetMaxVcpus, /* domainGetMaxVcpus */
     remoteDomainGetSecurityLabel, /* domainGetSecurityLabel */
Index: libvirt/src/remote/remote_protocol.c
===================================================================
--- libvirt.orig/src/remote/remote_protocol.c
+++ libvirt/src/remote/remote_protocol.c
@@ -1521,6 +1521,22 @@ xdr_remote_domain_pin_vcpu_args (XDR *xd
 }
 
 bool_t
+xdr_remote_domain_pin_vcpu_flags_args (XDR *xdrs, remote_domain_pin_vcpu_flags_args *objp)
+{
+        char **objp_cpp0 = (char **) (void *) &objp->cpumap.cpumap_val;
+
+         if (!xdr_remote_nonnull_domain (xdrs, &objp->dom))
+                 return FALSE;
+         if (!xdr_int (xdrs, &objp->vcpu))
+                 return FALSE;
+         if (!xdr_bytes (xdrs, objp_cpp0, (u_int *) &objp->cpumap.cpumap_len, REMOTE_CPUMAP_MAX))
+                 return FALSE;
+         if (!xdr_u_int (xdrs, &objp->flags))
+                 return FALSE;
+        return TRUE;
+}
+
+bool_t
 xdr_remote_domain_get_vcpus_args (XDR *xdrs, remote_domain_get_vcpus_args *objp)
 {
 
Index: libvirt/src/remote/remote_protocol.h
===================================================================
--- libvirt.orig/src/remote/remote_protocol.h
+++ libvirt/src/remote/remote_protocol.h
@@ -841,6 +841,17 @@ struct remote_domain_pin_vcpu_args {
 };
 typedef struct remote_domain_pin_vcpu_args remote_domain_pin_vcpu_args;
 
+struct remote_domain_pin_vcpu_flags_args {
+        remote_nonnull_domain dom;
+        int vcpu;
+        struct {
+                u_int cpumap_len;
+                char *cpumap_val;
+        } cpumap;
+        u_int flags;
+};
+typedef struct remote_domain_pin_vcpu_flags_args remote_domain_pin_vcpu_flags_args;
+
 struct remote_domain_get_vcpus_args {
         remote_nonnull_domain dom;
         int maxinfo;
@@ -2413,6 +2424,7 @@ enum remote_procedure {
         REMOTE_PROC_DOMAIN_MIGRATE_SET_MAX_SPEED = 207,
         REMOTE_PROC_STORAGE_VOL_UPLOAD = 208,
         REMOTE_PROC_STORAGE_VOL_DOWNLOAD = 209,
+        REMOTE_PROC_DOMAIN_PIN_VCPU_FLAGS = 210,
 };
 typedef enum remote_procedure remote_procedure;
 
@@ -2566,6 +2578,7 @@ extern  bool_t xdr_remote_domain_set_vcp
 extern  bool_t xdr_remote_domain_get_vcpus_flags_args (XDR *, remote_domain_get_vcpus_flags_args*);
 extern  bool_t xdr_remote_domain_get_vcpus_flags_ret (XDR *, remote_domain_get_vcpus_flags_ret*);
 extern  bool_t xdr_remote_domain_pin_vcpu_args (XDR *, remote_domain_pin_vcpu_args*);
+extern  bool_t xdr_remote_domain_pin_vcpu_flags_args (XDR *, remote_domain_pin_vcpu_flags_args*);
 extern  bool_t xdr_remote_domain_get_vcpus_args (XDR *, remote_domain_get_vcpus_args*);
 extern  bool_t xdr_remote_domain_get_vcpus_ret (XDR *, remote_domain_get_vcpus_ret*);
 extern  bool_t xdr_remote_domain_get_max_vcpus_args (XDR *, remote_domain_get_max_vcpus_args*);
@@ -2923,6 +2936,7 @@ extern bool_t xdr_remote_domain_set_vcpu
 extern bool_t xdr_remote_domain_get_vcpus_flags_args ();
 extern bool_t xdr_remote_domain_get_vcpus_flags_ret ();
 extern bool_t xdr_remote_domain_pin_vcpu_args ();
+extern bool_t xdr_remote_domain_pin_vcpu_flags_args ();
 extern bool_t xdr_remote_domain_get_vcpus_args ();
 extern bool_t xdr_remote_domain_get_vcpus_ret ();
 extern bool_t xdr_remote_domain_get_max_vcpus_args ();
Index: libvirt/src/remote/remote_protocol.x
===================================================================
--- libvirt.orig/src/remote/remote_protocol.x
+++ libvirt/src/remote/remote_protocol.x
@@ -843,6 +843,13 @@ struct remote_domain_pin_vcpu_args {
     opaque cpumap<REMOTE_CPUMAP_MAX>;
 };
 
+struct remote_domain_pin_vcpu_flags_args {
+    remote_nonnull_domain dom;
+    int vcpu;
+    opaque cpumap<REMOTE_CPUMAP_MAX>;
+    unsigned int flags;
+};
+
 struct remote_domain_get_vcpus_args {
     remote_nonnull_domain dom;
     int maxinfo;
@@ -2176,7 +2183,8 @@ enum remote_procedure {
     REMOTE_PROC_DOMAIN_GET_BLKIO_PARAMETERS = 206,
     REMOTE_PROC_DOMAIN_MIGRATE_SET_MAX_SPEED = 207,
     REMOTE_PROC_STORAGE_VOL_UPLOAD = 208,
-    REMOTE_PROC_STORAGE_VOL_DOWNLOAD = 209
+    REMOTE_PROC_STORAGE_VOL_DOWNLOAD = 209,
+    REMOTE_PROC_DOMAIN_PIN_VCPU_FLAGS = 210
 
     /*
      * Notice how the entries are grouped in sets of 10 ?
Index: libvirt/src/remote_protocol-structs
===================================================================
--- libvirt.orig/src/remote_protocol-structs
+++ libvirt/src/remote_protocol-structs
@@ -528,6 +528,15 @@ struct remote_domain_pin_vcpu_args {
                 char *             cpumap_val;
         } cpumap;
 };
+struct remote_domain_pin_vcpu_flags_args {
+        remote_nonnull_domain      dom;
+        int                        vcpu;
+        struct {
+                u_int              cpumap_len;
+                char *             cpumap_val;
+        } cpumap;
+        u_int                      flags;
+};
 struct remote_domain_get_vcpus_args {
         remote_nonnull_domain      dom;
         int                        maxinfo;


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