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[libvirt] [PATCH 07/10] Introduce remoteDomainPinHypervisorFlags and remoteDomainGetHypervisorPinInfo functions in remote driver.



Signed-off-by: Tang Chen <tangchen cn fujitsu com>
---
 src/remote/remote_driver.c   |  102 ++++++++++++++++++++++++++++++++++++++++++
 src/remote/remote_protocol.x |   24 +++++++++-
 src/remote_protocol-structs  |   24 ++++++++++
 3 files changed, 149 insertions(+), 1 deletions(-)

diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index af46384..884d4a4 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -1743,6 +1743,106 @@ done:
 }
 
 static int
+remoteDomainPinHypervisorFlags (virDomainPtr dom,
+                                unsigned char *cpumap,
+                                int cpumaplen,
+                                unsigned int flags)
+{
+    int rv = -1;
+    struct private_data *priv = dom->conn->privateData;
+    remote_domain_pin_hypervisor_flags_args args;
+
+    remoteDriverLock(priv);
+
+    if (cpumaplen > REMOTE_CPUMAP_MAX) {
+        remoteError(VIR_ERR_RPC,
+                    _("%s length greater than maximum: %d > %d"),
+                    "cpumap", (int)cpumaplen, REMOTE_CPUMAP_MAX);
+        goto done;
+    }
+
+    make_nonnull_domain(&args.dom, dom);
+    args.vcpu = -1;
+    args.cpumap.cpumap_val = (char *)cpumap;
+    args.cpumap.cpumap_len = cpumaplen;
+    args.flags = flags;
+
+    if (call(dom->conn, priv, 0, REMOTE_PROC_DOMAIN_PIN_HYPERVISOR_FLAGS,
+             (xdrproc_t) xdr_remote_domain_pin_hypervisor_flags_args,
+             (char *) &args,
+             (xdrproc_t) xdr_void, (char *) NULL) == -1) {
+        goto done;
+    }
+
+    rv = 0;
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
+
+
+static int
+remoteDomainGetHypervisorPinInfo (virDomainPtr domain,
+                                  unsigned char *cpumaps,
+                                  int maplen,
+                                  unsigned int flags)
+{
+    int rv = -1;
+    int i;
+    remote_domain_get_hypervisor_pin_info_args args;
+    remote_domain_get_hypervisor_pin_info_ret ret;
+    struct private_data *priv = domain->conn->privateData;
+
+    remoteDriverLock(priv);
+
+    /* There is only one cpumap for all hypervisor threads */
+    if (INT_MULTIPLY_OVERFLOW(1, maplen) ||
+        maplen > REMOTE_CPUMAPS_MAX) {
+        remoteError(VIR_ERR_RPC,
+                    _("vCPU map buffer length exceeds maximum: %d > %d"),
+                    maplen, REMOTE_CPUMAPS_MAX);
+        goto done;
+    }
+
+    make_nonnull_domain(&args.dom, domain);
+    args.ncpumaps = 1;
+    args.maplen = maplen;
+    args.flags = flags;
+
+    memset(&ret, 0, sizeof ret);
+
+    if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_HYPERVISOR_PIN_INFO,
+              (xdrproc_t) xdr_remote_domain_get_hypervisor_pin_info_args,
+              (char *) &args,
+              (xdrproc_t) xdr_remote_domain_get_hypervisor_pin_info_ret,
+              (char *) &ret) == -1)
+        goto done;
+
+    if (ret.cpumaps.cpumaps_len > maplen) {
+        remoteError(VIR_ERR_RPC,
+                    _("host reports map buffer length exceeds maximum: %d > %d"),
+                    ret.cpumaps.cpumaps_len, maplen);
+        goto cleanup;
+    }
+
+    memset(cpumaps, 0, maplen);
+
+    for (i = 0; i < ret.cpumaps.cpumaps_len; ++i)
+        cpumaps[i] = ret.cpumaps.cpumaps_val[i];
+
+    rv = ret.num;
+
+cleanup:
+    xdr_free ((xdrproc_t) xdr_remote_domain_get_hypervisor_pin_info_ret,
+              (char *) &ret);
+
+done:
+    remoteDriverUnlock(priv);
+    return rv;
+}
+
+static int
 remoteDomainGetVcpus (virDomainPtr domain,
                       virVcpuInfoPtr info,
                       int maxinfo,
@@ -4998,6 +5098,8 @@ static virDriver remote_driver = {
     .domainPinVcpu = remoteDomainPinVcpu, /* 0.3.0 */
     .domainPinVcpuFlags = remoteDomainPinVcpuFlags, /* 0.9.3 */
     .domainGetVcpuPinInfo = remoteDomainGetVcpuPinInfo, /* 0.9.3 */
+    .domainPinHypervisorFlags = remoteDomainPinHypervisorFlags, /* 0.9.11 */
+    .domainGetHypervisorPinInfo = remoteDomainGetHypervisorPinInfo, /* 0.9.11 */
     .domainGetVcpus = remoteDomainGetVcpus, /* 0.3.0 */
     .domainGetMaxVcpus = remoteDomainGetMaxVcpus, /* 0.3.0 */
     .domainGetSecurityLabel = remoteDomainGetSecurityLabel, /* 0.6.1 */
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 2d57247..1ad9b44 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -1054,6 +1054,25 @@ struct remote_domain_get_vcpu_pin_info_ret {
     int num;
 };
 
+struct remote_domain_pin_hypervisor_flags_args {
+    remote_nonnull_domain dom;
+    unsigned int vcpu;
+    opaque cpumap<REMOTE_CPUMAP_MAX>; /* (unsigned char *) */
+    unsigned int flags;
+};
+
+struct remote_domain_get_hypervisor_pin_info_args {
+    remote_nonnull_domain dom;
+    int ncpumaps;
+    int maplen;
+    unsigned int flags;
+};
+
+struct remote_domain_get_hypervisor_pin_info_ret {
+    opaque cpumaps<REMOTE_CPUMAPS_MAX>;
+    int num;
+};
+
 struct remote_domain_get_vcpus_args {
     remote_nonnull_domain dom;
     int maxinfo;
@@ -2782,7 +2801,10 @@ enum remote_procedure {
     REMOTE_PROC_DOMAIN_PM_WAKEUP = 267, /* autogen autogen */
     REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE = 268, /* autogen autogen */
     REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP = 269, /* autogen autogen */
-    REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND = 270 /* autogen autogen */
+    REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND = 270, /* autogen autogen */
+
+    REMOTE_PROC_DOMAIN_PIN_HYPERVISOR_FLAGS = 271, /* skipgen skipgen */
+    REMOTE_PROC_DOMAIN_GET_HYPERVISOR_PIN_INFO = 272 /* 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 9b2414f..69a80b9 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -718,6 +718,28 @@ struct remote_domain_get_vcpu_pin_info_ret {
         } cpumaps;
         int                        num;
 };
+struct remote_domain_pin_hypervisor_flags_args {
+        remote_nonnull_domain      dom;
+        u_int                      vcpu;
+        struct {
+                u_int              cpumap_len;
+                char *             cpumap_val;
+        } cpumap;
+        u_int                      flags;
+};
+struct remote_domain_get_hypervisor_pin_info_args {
+        remote_nonnull_domain      dom;
+        int                        ncpumaps;
+        int                        maplen;
+        u_int                      flags;
+};
+struct remote_domain_get_hypervisor_pin_info_ret {
+        struct {
+                u_int              cpumaps_len;
+                char *             cpumaps_val;
+        } cpumaps;
+        int                        num;
+};
 struct remote_domain_get_vcpus_args {
         remote_nonnull_domain      dom;
         int                        maxinfo;
@@ -2192,4 +2214,6 @@ enum remote_procedure {
         REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE = 268,
         REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP = 269,
         REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND = 270,
+        REMOTE_PROC_DOMAIN_PIN_HYPERVISOR_FLAGS = 271,
+        REMOTE_PROC_DOMAIN_GET_HYPERVISOR_PIN_INFO = 272,
 };
-- 
1.7.3.1


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