[libvirt] [PATCH 2/8] Add virDomain{Set, Get}BlockIoTune support to the remote driver
Adam Litke
agl at us.ibm.com
Thu Nov 10 16:56:48 UTC 2011
Looks good to me.
On Thu, Nov 10, 2011 at 04:32:52AM +0800, Lei HH Li wrote:
> Support Block I/O Throttle setting and query to remote driver.
>
> Signed-off-by: Zhi Yong Wu <wuzhy at linux.vnet.ibm.com>
> Signed-off-by: Lei Li <lilei at linux.vnet.ibm.com>
> ---
> daemon/remote.c | 87 ++++++++++++++++++++++++++++++++++++++++++
> src/remote/remote_driver.c | 80 ++++++++++++++++++++++++++++++++++++++
> src/remote/remote_protocol.x | 38 ++++++++++++++++++-
> src/remote_protocol-structs | 33 ++++++++++++++++
> 4 files changed, 237 insertions(+), 1 deletions(-)
>
> diff --git a/daemon/remote.c b/daemon/remote.c
> index bd0c3e3..070ca65 100644
> --- a/daemon/remote.c
> +++ b/daemon/remote.c
> @@ -1850,6 +1850,93 @@ cleanup:
> return rv;
> }
>
> +static int
> +remoteDispatchDomainSetBlockIoThrottle(virNetServerPtr server ATTRIBUTE_UNUSED,
> + virNetServerClientPtr client ATTRIBUTE_UNUSED,
> + virNetMessagePtr hdr ATTRIBUTE_UNUSED,
> + virNetMessageErrorPtr rerr,
> + remote_domain_set_block_io_throttle_args *args)
> +{
> + virDomainPtr dom = NULL;
> + virDomainBlockIoTuneInfo tmp;
> + int rv = -1;
> + struct daemonClientPrivate *priv =
> + virNetServerClientGetPrivateData(client);
> +
> + if (!priv->conn) {
> + virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
> + goto cleanup;
> + }
> +
> + if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
> + goto cleanup;
> +
> + if (args) {
> + tmp.total_bytes_sec = args->bps;
> + tmp.read_bytes_sec = args->bps_rd;
> + tmp.write_bytes_sec = args->bps_wr;
> + tmp.total_iops_sec = args->iops;
> + tmp.read_iops_sec = args->iops_rd;
> + tmp.write_iops_sec = args->iops_wr;
> + }
> +
> + rv = virDomainSetBlockIoTune(dom, args->disk, &tmp, args->flags);
> +
> + if (rv < 0)
> + goto cleanup;
> +
> +cleanup:
> + if (rv < 0)
> + virNetMessageSaveError(rerr);
> + if (dom)
> + virDomainFree(dom);
> + return rv;
> +}
> +
> +static int
> +remoteDispatchDomainGetBlockIoThrottle(virNetServerPtr server ATTRIBUTE_UNUSED,
> + virNetServerClientPtr client ATTRIBUTE_UNUSED,
> + virNetMessagePtr hdr ATTRIBUTE_UNUSED,
> + virNetMessageErrorPtr rerr,
> + remote_domain_get_block_io_throttle_args *args,
> + remote_domain_get_block_io_throttle_ret *ret)
> +{
> + virDomainPtr dom = NULL;
> + virDomainBlockIoTuneInfo reply;
> + int rv = -1;
> + struct daemonClientPrivate *priv =
> + virNetServerClientGetPrivateData(client);
> +
> + if (!priv->conn) {
> + virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
> + goto cleanup;
> + }
> +
> + if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
> + goto cleanup;
> +
> + rv = virDomainGetBlockIoTune(dom, args->disk, &reply, args->flags);
> +
> + if (rv < 0) {
> + ret->found = 0;
> + goto cleanup;
> + }
> +
> + ret->bps = reply.total_bytes_sec;
> + ret->bps_rd = reply.read_bytes_sec;
> + ret->bps_wr = reply.write_bytes_sec;
> + ret->iops = reply.total_iops_sec;
> + ret->iops_rd = reply.read_iops_sec;
> + ret->iops_wr = reply.write_iops_sec;
> + ret->found = 1;
> +
> +cleanup:
> + if (rv < 0)
> + virNetMessageSaveError(rerr);
> + if (dom)
> + virDomainFree(dom);
> + return rv;
> +}
>
> /*-------------------------------------------------------------*/
>
> diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
> index f3b8ad5..0900231 100644
> --- a/src/remote/remote_driver.c
> +++ b/src/remote/remote_driver.c
> @@ -2154,6 +2154,84 @@ done:
> return rv;
> }
>
> +static int remoteDomainSetBlockIoTune(virDomainPtr domain,
> + const char *disk,
> + virDomainBlockIoTuneInfoPtr info,
> + unsigned int flags)
> +{
> + int rv = -1;
> + remote_domain_set_block_io_throttle_args args;
> + struct private_data *priv = domain->conn->privateData;
> +
> + remoteDriverLock(priv);
> +
> + memset(&args, 0, sizeof(args));
> +
> + make_nonnull_domain(&args.dom, domain);
> + args.disk = (char *)disk;
> + args.bps = info->total_bytes_sec;
> + args.bps_rd = info->read_bytes_sec;
> + args.bps_wr = info->write_bytes_sec;
> + args.iops = info->total_iops_sec;
> + args.iops_rd = info->read_iops_sec;
> + args.iops_wr = info->write_iops_sec;
> + args.flags = flags;
> +
> + if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_SET_BLOCK_IO_THROTTLE,
> + (xdrproc_t) xdr_remote_domain_set_block_io_throttle_args,
> + (char *) &args,
> + (xdrproc_t) xdr_void,
> + (char *) NULL) == -1) {
> + goto done;
> + }
> + rv = 0;
> +
> +done:
> + remoteDriverUnlock(priv);
> + return rv;
> +}
> +
> +static int remoteDomainGetBlockIoTune(virDomainPtr domain,
> + const char *disk,
> + virDomainBlockIoTuneInfoPtr reply,
> + unsigned int flags)
> +{
> + int rv = -1;
> + remote_domain_get_block_io_throttle_args args;
> + remote_domain_get_block_io_throttle_ret ret;
> + struct private_data *priv = domain->conn->privateData;
> +
> + remoteDriverLock(priv);
> +
> + make_nonnull_domain(&args.dom, domain);
> + args.disk = (char *)disk;
> + args.flags = flags;
> +
> + memset(&ret, 0, sizeof(ret));
> +
> + if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_BLOCK_IO_THROTTLE,
> + (xdrproc_t) xdr_remote_domain_get_block_io_throttle_args,
> + (char *) &args,
> + (xdrproc_t) xdr_remote_domain_get_block_io_throttle_ret,
> + (char *) &ret) == -1) {
> + goto done;
> + }
> +
> + if (ret.found) {
> + reply->total_bytes_sec = ret.bps;
> + reply->read_bytes_sec = ret.bps_rd;
> + reply->write_bytes_sec = ret.bps_wr;
> + reply->total_iops_sec = ret.iops;
> + reply->read_iops_sec = ret.iops_rd;
> + reply->write_iops_sec = ret.iops_wr;
> + }
> + rv = 0;
> +
> +done:
> + remoteDriverUnlock(priv);
> + return rv;
> +}
> +
> /*----------------------------------------------------------------------*/
>
> static virDrvOpenStatus ATTRIBUTE_NONNULL (1)
> @@ -4526,6 +4604,8 @@ static virDriver remote_driver = {
> .domainGetBlockJobInfo = remoteDomainGetBlockJobInfo, /* 0.9.4 */
> .domainBlockJobSetSpeed = remoteDomainBlockJobSetSpeed, /* 0.9.4 */
> .domainBlockPull = remoteDomainBlockPull, /* 0.9.4 */
> + .domainSetBlockIoTune = remoteDomainSetBlockIoTune, /* 0.9.8 */
> + .domainGetBlockIoTune = remoteDomainGetBlockIoTune, /* 0.9.8 */
> };
>
> static virNetworkDriver network_driver = {
> diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
> index a174af8..ccc77b5 100644
> --- a/src/remote/remote_protocol.x
> +++ b/src/remote/remote_protocol.x
> @@ -1073,6 +1073,40 @@ struct remote_domain_block_pull_args {
> unsigned int flags;
> };
>
> +struct remote_domain_set_block_io_throttle_args {
> + remote_nonnull_domain dom;
> + remote_nonnull_string disk;
> + unsigned hyper bps;
> + unsigned hyper bps_rd;
> + unsigned hyper bps_wr;
> + unsigned hyper iops;
> + unsigned hyper iops_rd;
> + unsigned hyper iops_wr;
> + unsigned int flags;
> +};
> +
> +struct remote_domain_get_block_io_throttle_args {
> + remote_nonnull_domain dom;
> + remote_nonnull_string disk;
> + unsigned hyper bps;
> + unsigned hyper bps_rd;
> + unsigned hyper bps_wr;
> + unsigned hyper iops;
> + unsigned hyper iops_rd;
> + unsigned hyper iops_wr;
> + unsigned int flags;
> +};
> +
> +struct remote_domain_get_block_io_throttle_ret {
> + unsigned hyper bps;
> + unsigned hyper bps_rd;
> + unsigned hyper bps_wr;
> + unsigned hyper iops;
> + unsigned hyper iops_rd;
> + unsigned hyper iops_wr;
> + unsigned int found;
> +};
> +
> /* Network calls: */
>
> struct remote_num_of_networks_ret {
> @@ -2562,7 +2596,9 @@ enum remote_procedure {
> REMOTE_PROC_DOMAIN_SNAPSHOT_NUM_CHILDREN = 246, /* autogen autogen priority:high */
> REMOTE_PROC_DOMAIN_SNAPSHOT_LIST_CHILDREN_NAMES = 247, /* autogen autogen priority:high */
> REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE = 248, /* skipgen skipgen */
> - REMOTE_PROC_DOMAIN_OPEN_GRAPHICS = 249 /* skipgen skipgen */
> + REMOTE_PROC_DOMAIN_OPEN_GRAPHICS = 249, /* skipgen skipgen */
> + REMOTE_PROC_DOMAIN_SET_BLOCK_IO_THROTTLE = 250, /* skipgen skipgen */
> + REMOTE_PROC_DOMAIN_GET_BLOCK_IO_THROTTLE = 251 /* skipgen skipgen */
>
> /*
> * Notice how the entries are grouped in sets of 10 ?
> diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
> index 12cedef..4a813e0 100644
> --- a/src/remote_protocol-structs
> +++ b/src/remote_protocol-structs
> @@ -757,6 +757,37 @@ struct remote_domain_block_pull_args {
> uint64_t bandwidth;
> u_int flags;
> };
> +struct remote_domain_set_block_io_throttle_args {
> + remote_nonnull_domain dom;
> + remote_nonnull_string disk;
> + uint64_t bps;
> + uint64_t bps_rd;
> + uint64_t bps_wr;
> + uint64_t iops;
> + uint64_t iops_rd;
> + uint64_t iops_wr;
> + u_int flags;
> +};
> +struct remote_domain_get_block_io_throttle_args {
> + remote_nonnull_domain dom;
> + remote_nonnull_string disk;
> + uint64_t bps;
> + uint64_t bps_rd;
> + uint64_t bps_wr;
> + uint64_t iops;
> + uint64_t iops_rd;
> + uint64_t iops_wr;
> + u_int flags;
> +};
> +struct remote_domain_get_block_io_throttle_ret {
> + uint64_t bps;
> + uint64_t bps_rd;
> + uint64_t bps_wr;
> + uint64_t iops;
> + uint64_t iops_rd;
> + uint64_t iops_wr;
> + u_int found;
> +};
> struct remote_num_of_networks_ret {
> int num;
> };
> @@ -2005,4 +2036,6 @@ enum remote_procedure {
> REMOTE_PROC_DOMAIN_SNAPSHOT_LIST_CHILDREN_NAMES = 247,
> REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE = 248,
> REMOTE_PROC_DOMAIN_OPEN_GRAPHICS = 249,
> + REMOTE_PROC_DOMAIN_SET_BLOCK_IO_THROTTLE = 250,
> + REMOTE_PROC_DOMAIN_GET_BLOCK_IO_THROTTLE = 251,
> };
> --
> 1.7.1
>
--
Adam Litke <agl at us.ibm.com>
IBM Linux Technology Center
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