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

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On Thu, Mar 31, 2011 at 02:39:52PM +0900, Taku Izumi wrote:
> 
> 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
> @@ -2188,6 +2188,43 @@ 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;

Long line auto-wrapped by your mail client?

>      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
> @@ -3042,6 +3042,44 @@ 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,
> @@ -11227,7 +11265,7 @@ 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)

Long line auto-wrapped by your mail client?

> +{
> +        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))

Long line auto-wrapped by your mail client?

> +                 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*);

Long line auto-wrapped by your mail client?

>  extern  bool_t xdr_remote_domain_get_vcpus_flags_ret (XDR *,
> remote_domain_get_vcpus_flags_ret*);

Long line auto-wrapped by your mail client?

>  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*);

Long line auto-wrapped by your mail client?

>  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*);

Long line auto-wrapped by your mail client?

> @@ -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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