Re: [PATCH 03/11] Convert Xen domain property driver methods to use virDomainDefPtr

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Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
>
> Introduce use of a virDomainDefPtr in the domain property
> APIs to simplify introduction of ACL security checks.
> The virDomainPtr cannot be safely used, since the app
> may have supplied mis-matching name/uuid/id fields. eg
> the name points to domain X, while the uuid points to
> domain Y. Resolving the virDomainPtr to a virDomainDefPtr
> ensures a consistent name/uuid/id set.
>
> Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
> ---
>  src/xen/xen_driver.c     | 98 +++++++++++++++++++++++++++++++++++++-----------
>  src/xen/xen_hypervisor.c | 42 +++++++++++----------
>  src/xen/xen_hypervisor.h | 18 +++++----
>  src/xen/xend_internal.c  | 44 +++++++++++++---------
>  src/xen/xend_internal.h  | 21 ++++++++---
>  src/xen/xm_internal.c    | 41 +++++++++++---------
>  src/xen/xm_internal.h    | 18 ++++++---
>  7 files changed, 187 insertions(+), 95 deletions(-)
>
> diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
> index 37107ff..68a86b7 100644
> --- a/src/xen/xen_driver.c
> +++ b/src/xen/xen_driver.c
> @@ -889,18 +889,27 @@ static char *
>  xenUnifiedDomainGetOSType(virDomainPtr dom)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    char *ret = NULL;
> +    virDomainDefPtr def;
>  
> -    if (dom->id < 0) {
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0) {
>          if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
>              virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
>                             _("Unable to query OS type for inactive domain"));
>              return NULL;
>          } else {
> -            return xenDaemonDomainGetOSType(dom);
> +            ret = xenHypervisorDomainGetOSType(dom->conn, def);
>   

Should still call xenDaemonDomainGetOSType here since id < 0 right?

>          }
>      } else {
> -        return xenHypervisorDomainGetOSType(dom);
> +        ret = xenDaemonDomainGetOSType(dom->conn, def);
>   

And call the hypervisor one here when the domain is active.

>      }
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  
> @@ -908,56 +917,92 @@ static unsigned long long
>  xenUnifiedDomainGetMaxMemory(virDomainPtr dom)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    unsigned long long ret = 0;
> +    virDomainDefPtr def;
>  
> -    if (dom->id < 0) {
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0) {
>          if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> -            return xenXMDomainGetMaxMemory(dom);
> +            ret = xenXMDomainGetMaxMemory(dom->conn, def);
>          else
> -            return xenDaemonDomainGetMaxMemory(dom);
> +            ret = xenDaemonDomainGetMaxMemory(dom->conn, def);
>      } else {
> -        return xenHypervisorGetMaxMemory(dom);
> +        ret = xenHypervisorGetMaxMemory(dom->conn, def);
>      }
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  static int
>  xenUnifiedDomainSetMaxMemory(virDomainPtr dom, unsigned long memory)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    int ret = -1;
> +    virDomainDefPtr def;
>  
> -    if (dom->id < 0) {
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0) {
>          if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> -            return xenXMDomainSetMaxMemory(dom, memory);
> +            ret = xenXMDomainSetMaxMemory(dom->conn, def, memory);
>          else
> -            return xenDaemonDomainSetMaxMemory(dom, memory);
> +            ret = xenDaemonDomainSetMaxMemory(dom->conn, def, memory);
>      } else {
> -        return xenHypervisorSetMaxMemory(dom, memory);
> +        ret = xenHypervisorSetMaxMemory(dom->conn, def, memory);
>      }
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  static int
>  xenUnifiedDomainSetMemory(virDomainPtr dom, unsigned long memory)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    int ret = -1;
> +    virDomainDefPtr def;
>  
> -    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> -        return xenXMDomainSetMemory(dom, memory);
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> +        ret = xenXMDomainSetMemory(dom->conn, def, memory);
>      else
> -        return xenDaemonDomainSetMemory(dom, memory);
> +        ret = xenDaemonDomainSetMemory(dom->conn, def, memory);
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  static int
>  xenUnifiedDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    int ret = -1;
> +    virDomainDefPtr def;
>  
> -    if (dom->id < 0) {
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0) {
>          if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> -            return xenXMDomainGetInfo(dom, info);
> +            ret = xenXMDomainGetInfo(dom->conn, def, info);
>          else
> -            return xenDaemonDomainGetInfo(dom, info);
> +            ret = xenDaemonDomainGetInfo(dom->conn, def, info);
>      } else {
> -        return xenHypervisorGetDomainInfo(dom, info);
> +        ret = xenHypervisorGetDomainInfo(dom->conn, def, info);
>      }
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  static int
> @@ -967,17 +1012,26 @@ xenUnifiedDomainGetState(virDomainPtr dom,
>                           unsigned int flags)
>  {
>      xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    int ret = -1;
> +    virDomainDefPtr def;
>  
>      virCheckFlags(0, -1);
>  
> -    if (dom->id < 0) {
> +    if (!(def = xenGetDomainDefForDom(dom)))
> +        goto cleanup;
> +
> +    if (def->id < 0) {
>          if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
> -            return xenXMDomainGetState(dom, state, reason);
> +            ret = xenXMDomainGetState(dom->conn, def, state, reason);
>          else
> -            return xenDaemonDomainGetState(dom, state, reason);
> +            ret = xenDaemonDomainGetState(dom->conn, def, state, reason);
>      } else {
> -        return xenHypervisorGetDomainState(dom, state, reason);
> +        ret = xenHypervisorGetDomainState(dom->conn, def, state, reason);
>      }
> +
> +cleanup:
> +    virDomainDefFree(def);
> +    return ret;
>  }
>  
>  static int
> diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
> index 55b0930..423ce85 100644
> --- a/src/xen/xen_hypervisor.c
> +++ b/src/xen/xen_hypervisor.c
> @@ -2508,27 +2508,28 @@ xenHypervisorGetCapabilities(virConnectPtr conn)
>  
>  
>  char *
> -xenHypervisorDomainGetOSType(virDomainPtr dom)
> +xenHypervisorDomainGetOSType(virConnectPtr conn,
> +                             virDomainDefPtr def)
>   

Fits on one line.

>  {
> -    xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      xen_getdomaininfo dominfo;
>      char *ostype = NULL;
>  
>      /* HV's earlier than 3.1.0 don't include the HVM flags in guests status*/
>      if (hv_versions.hypervisor < 2 ||
>          hv_versions.dom_interface < 4) {
> -        return xenDaemonDomainGetOSType(dom);
> +        return xenDaemonDomainGetOSType(conn, def);
>      }
>  
>      XEN_GETDOMAININFO_CLEAR(dominfo);
>  
> -    if (virXen_getdomaininfo(priv->handle, dom->id, &dominfo) < 0) {
> +    if (virXen_getdomaininfo(priv->handle, def->id, &dominfo) < 0) {
>          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
>                         _("cannot get domain details"));
>          return NULL;
>      }
>  
> -    if (XEN_GETDOMAININFO_DOMAIN(dominfo) != dom->id) {
> +    if (XEN_GETDOMAININFO_DOMAIN(dominfo) != def->id) {
>          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
>                         _("cannot get domain details"));
>          return NULL;
> @@ -2678,9 +2679,10 @@ xenHypervisorGetMaxVcpus(virConnectPtr conn ATTRIBUTE_UNUSED,
>   * Returns the memory size in kilobytes or 0 in case of error.
>   */
>  unsigned long
> -xenHypervisorGetMaxMemory(virDomainPtr dom)
> +xenHypervisorGetMaxMemory(virConnectPtr conn,
> +                          virDomainDefPtr def)
>   

Same here.

>  {
> -    xenUnifiedPrivatePtr priv = dom->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      xen_getdomaininfo dominfo;
>      int ret;
>  
> @@ -2692,9 +2694,9 @@ xenHypervisorGetMaxMemory(virDomainPtr dom)
>  
>      XEN_GETDOMAININFO_CLEAR(dominfo);
>  
> -    ret = virXen_getdomaininfo(priv->handle, dom->id, &dominfo);
> +    ret = virXen_getdomaininfo(priv->handle, def->id, &dominfo);
>  
> -    if ((ret < 0) || (XEN_GETDOMAININFO_DOMAIN(dominfo) != dom->id))
> +    if ((ret < 0) || (XEN_GETDOMAININFO_DOMAIN(dominfo) != def->id))
>          return 0;
>  
>      return (unsigned long) XEN_GETDOMAININFO_MAX_PAGES(dominfo) * kb_per_pages;
> @@ -2788,9 +2790,11 @@ xenHypervisorGetDomInfo(virConnectPtr conn, int id, virDomainInfoPtr info)
>   * Returns 0 in case of success, -1 in case of error.
>   */
>  int
> -xenHypervisorGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
> +xenHypervisorGetDomainInfo(virConnectPtr conn,
> +                           virDomainDefPtr def,
> +                           virDomainInfoPtr info)
>  {
> -    return xenHypervisorGetDomInfo(domain->conn, domain->id, info);
> +    return xenHypervisorGetDomInfo(conn, def->id, info);
>  }
>  
>  /**
> @@ -2804,13 +2808,14 @@ xenHypervisorGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
>   * Returns 0 in case of success, -1 in case of error.
>   */
>  int
> -xenHypervisorGetDomainState(virDomainPtr domain,
> +xenHypervisorGetDomainState(virConnectPtr conn,
> +                            virDomainDefPtr def,
>                              int *state,
>                              int *reason)
>  {
>      virDomainInfo info;
>  
> -    if (xenHypervisorGetDomInfo(domain->conn, domain->id, &info) < 0)
> +    if (xenHypervisorGetDomInfo(conn, def->id, &info) < 0)
>          return -1;
>  
>      *state = info.state;
> @@ -2899,15 +2904,14 @@ xenHypervisorNodeGetCellsFreeMemory(virConnectPtr conn,
>   * Returns 0 in case of success, -1 in case of error.
>   */
>  int
> -xenHypervisorSetMaxMemory(virDomainPtr domain, unsigned long memory)
> +xenHypervisorSetMaxMemory(virConnectPtr conn,
> +                          virDomainDefPtr def,
> +                          unsigned long memory)
>  {
>      int ret;
> -    xenUnifiedPrivatePtr priv = domain->conn->privateData;
> -
> -    if (domain->id < 0)
> -        return -1;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>  
> -    ret = virXen_setmaxmem(priv->handle, domain->id, memory);
> +    ret = virXen_setmaxmem(priv->handle, def->id, memory);
>      if (ret < 0)
>          return -1;
>      return 0;
> diff --git a/src/xen/xen_hypervisor.h b/src/xen/xen_hypervisor.h
> index 1d44a92..9ee1f13 100644
> --- a/src/xen/xen_hypervisor.h
> +++ b/src/xen/xen_hypervisor.h
> @@ -50,7 +50,8 @@ virDomainDefPtr
>          xenHypervisorLookupDomainByUUID (virConnectPtr conn,
>                                           const unsigned char *uuid);
>  char *
> -        xenHypervisorDomainGetOSType    (virDomainPtr dom);
> +        xenHypervisorDomainGetOSType    (virConnectPtr conn,
> +                                         virDomainDefPtr def);
>  
>  int
>          xenHypervisorOpen               (virConnectPtr conn,
> @@ -64,23 +65,26 @@ virCapsPtr
>                                                virArch hostarch,
>                                                FILE *cpuinfo,
>                                                FILE *capabilities);
> -char *
> -        xenHypervisorGetCapabilities    (virConnectPtr conn);
> +char * xenHypervisorGetCapabilities    (virConnectPtr conn);
>  unsigned long
> -        xenHypervisorGetMaxMemory(virDomainPtr dom);
> +        xenHypervisorGetMaxMemory(virConnectPtr conn,
> +                                  virDomainDefPtr def);
>  int     xenHypervisorGetMaxVcpus        (virConnectPtr conn,
>                                           const char *type);
> -int     xenHypervisorGetDomainInfo        (virDomainPtr domain,
> +int     xenHypervisorGetDomainInfo        (virConnectPtr conn,
> +                                           virDomainDefPtr def,
>                                             virDomainInfoPtr info)
>            ATTRIBUTE_NONNULL (1);
> -int     xenHypervisorGetDomainState     (virDomainPtr domain,
> +int     xenHypervisorGetDomainState     (virConnectPtr conn,
> +                                         virDomainDefPtr def,
>                                           int *state,
>                                           int *reason)
>            ATTRIBUTE_NONNULL (1);
>  int     xenHypervisorGetDomInfo         (virConnectPtr conn,
>                                           int id,
>                                           virDomainInfoPtr info);
> -int     xenHypervisorSetMaxMemory       (virDomainPtr domain,
> +int     xenHypervisorSetMaxMemory       (virConnectPtr conn,
> +                                         virDomainDefPtr def,
>                                           unsigned long memory)
>            ATTRIBUTE_NONNULL (1);
>  int     xenHypervisorCheckID            (virConnectPtr conn,
> diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
> index f8bd72b..c10567c 100644
> --- a/src/xen/xend_internal.c
> +++ b/src/xen/xend_internal.c
> @@ -890,7 +890,7 @@ xend_detect_config_version(virConnectPtr conn)
>   */
>  static int
>  ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
> -sexpr_to_xend_domain_state(virDomainPtr domain, const struct sexpr *root)
> +sexpr_to_xend_domain_state(virDomainDefPtr def, const struct sexpr *root)
>  {
>      const char *flags;
>      int state = VIR_DOMAIN_NOSTATE;
> @@ -908,7 +908,7 @@ sexpr_to_xend_domain_state(virDomainPtr domain, const struct sexpr *root)
>              state = VIR_DOMAIN_BLOCKED;
>          else if (strchr(flags, 'r'))
>              state = VIR_DOMAIN_RUNNING;
> -    } else if (domain->id < 0 || sexpr_int(root, "domain/status") == 0) {
> +    } else if (def->id < 0 || sexpr_int(root, "domain/status") == 0) {
>          /* As far as I can see the domain->id is a bad sign for checking
>           * inactive domains as this is inaccurate after the domain has
>           * been running once. However domain/status from xend seems to
> @@ -933,13 +933,13 @@ sexpr_to_xend_domain_state(virDomainPtr domain, const struct sexpr *root)
>   * Returns 0 in case of success, -1 in case of error
>   */
>  static int
> -sexpr_to_xend_domain_info(virDomainPtr domain,
> +sexpr_to_xend_domain_info(virDomainDefPtr def,
>                            const struct sexpr *root,
>                            virDomainInfoPtr info)
>  {
>      int vcpus;
>  
> -    info->state = sexpr_to_xend_domain_state(domain, root);
> +    info->state = sexpr_to_xend_domain_state(def, root);
>      info->memory = sexpr_u64(root, "domain/memory") << 10;
>      info->maxMem = sexpr_u64(root, "domain/maxmem") << 10;
>      info->cpuTime = sexpr_float(root, "domain/cpu_time") * 1000000000;
> @@ -1374,13 +1374,14 @@ xenDaemonDomainDestroy(virConnectPtr conn, virDomainDefPtr def)
>   *         freed by the caller.
>   */
>  char *
> -xenDaemonDomainGetOSType(virDomainPtr domain)
> +xenDaemonDomainGetOSType(virConnectPtr conn,
> +                         virDomainDefPtr def)
>   

Fits on one line.

>  {
>      char *type;
>      struct sexpr *root;
>  
>      /* can we ask for a subset ? worth it ? */
> -    root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
> +    root = sexpr_get(conn, "/xend/domain/%s?detail=1", def->name);
>      if (root == NULL)
>          return NULL;
>  
> @@ -1489,13 +1490,13 @@ xenDaemonDomainRestore(virConnectPtr conn, const char *filename)
>   * Returns the memory size in kilobytes or 0 in case of error.
>   */
>  unsigned long long
> -xenDaemonDomainGetMaxMemory(virDomainPtr domain)
> +xenDaemonDomainGetMaxMemory(virConnectPtr conn, virDomainDefPtr def)
>  {
>      unsigned long long ret = 0;
>      struct sexpr *root;
>  
>      /* can we ask for a subset ? worth it ? */
> -    root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
> +    root = sexpr_get(conn, "/xend/domain/%s?detail=1", def->name);
>      if (root == NULL)
>          return 0;
>  
> @@ -1518,12 +1519,14 @@ xenDaemonDomainGetMaxMemory(virDomainPtr domain)
>   * Returns 0 for success; -1 (with errno) on error
>   */
>  int
> -xenDaemonDomainSetMaxMemory(virDomainPtr domain, unsigned long memory)
> +xenDaemonDomainSetMaxMemory(virConnectPtr conn,
> +                            virDomainDefPtr def,
> +                            unsigned long memory)
>  {
>      char buf[1024];
>  
>      snprintf(buf, sizeof(buf), "%lu", VIR_DIV_UP(memory, 1024));
> -    return xend_op(domain->conn, domain->name, "op", "maxmem_set", "memory",
> +    return xend_op(conn, def->name, "op", "maxmem_set", "memory",
>                     buf, NULL);
>   

Can be condensed to one line here.

>  }
>  
> @@ -1544,12 +1547,14 @@ xenDaemonDomainSetMaxMemory(virDomainPtr domain, unsigned long memory)
>   * Returns 0 for success; -1 (with errno) on error
>   */
>  int
> -xenDaemonDomainSetMemory(virDomainPtr domain, unsigned long memory)
> +xenDaemonDomainSetMemory(virConnectPtr conn,
> +                         virDomainDefPtr def,
> +                         unsigned long memory)
>  {
>      char buf[1024];
>  
>      snprintf(buf, sizeof(buf), "%lu", VIR_DIV_UP(memory, 1024));
> -    return xend_op(domain->conn, domain->name, "op", "mem_target_set",
> +    return xend_op(conn, def->name, "op", "mem_target_set",
>                     "target", buf, NULL);
>   

And here at exactly 80 columns :).

>  }
>  
> @@ -1640,16 +1645,18 @@ xenDaemonDomainGetXMLDesc(virDomainPtr domain,
>   * Returns 0 in case of success, -1 in case of error
>   */
>  int
> -xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
> +xenDaemonDomainGetInfo(virConnectPtr conn,
> +                       virDomainDefPtr def,
> +                       virDomainInfoPtr info)
>  {
>      struct sexpr *root;
>      int ret;
>  
> -    root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
> +    root = sexpr_get(conn, "/xend/domain/%s?detail=1", def->name);
>      if (root == NULL)
>          return -1;
>  
> -    ret = sexpr_to_xend_domain_info(domain, root, info);
> +    ret = sexpr_to_xend_domain_info(def, root, info);
>      sexpr_free(root);
>      return ret;
>  }
> @@ -1666,17 +1673,18 @@ xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
>   * Returns 0 in case of success, -1 in case of error
>   */
>  int
> -xenDaemonDomainGetState(virDomainPtr domain,
> +xenDaemonDomainGetState(virConnectPtr conn,
> +                        virDomainDefPtr def,
>                          int *state,
>                          int *reason)
>  {
>      struct sexpr *root;
>  
> -    root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
> +    root = sexpr_get(conn, "/xend/domain/%s?detail=1", def->name);
>      if (!root)
>          return -1;
>  
> -    *state = sexpr_to_xend_domain_state(domain, root);
> +    *state = sexpr_to_xend_domain_state(def, root);
>      if (reason)
>          *reason = 0;
>  
> diff --git a/src/xen/xend_internal.h b/src/xen/xend_internal.h
> index 4a6b406..87e0a0f 100644
> --- a/src/xen/xend_internal.h
> +++ b/src/xen/xend_internal.h
> @@ -96,18 +96,27 @@ int xenDaemonDomainSave(virDomainPtr domain, const char *filename);
>  int xenDaemonDomainCoreDump(virDomainPtr domain, const char *filename,
>                              unsigned int flags);
>  int xenDaemonDomainRestore(virConnectPtr conn, const char *filename);
> -int xenDaemonDomainSetMemory(virDomainPtr domain, unsigned long memory);
> -int xenDaemonDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
> -int xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info);
> -int xenDaemonDomainGetState(virDomainPtr domain,
> +int xenDaemonDomainSetMemory(virConnectPtr conn,
> +                             virDomainDefPtr def,
> +                             unsigned long memory);
> +int xenDaemonDomainSetMaxMemory(virConnectPtr conn,
> +                                virDomainDefPtr def,
> +                                unsigned long memory);
> +int xenDaemonDomainGetInfo(virConnectPtr conn,
> +                           virDomainDefPtr def,
> +                           virDomainInfoPtr info);
> +int xenDaemonDomainGetState(virConnectPtr conn,
> +                            virDomainDefPtr def,
>                              int *state,
>                              int *reason);
>  char *xenDaemonDomainGetXMLDesc(virDomainPtr domain, unsigned int flags,
>                                  const char *cpus);
> -unsigned long long xenDaemonDomainGetMaxMemory(virDomainPtr domain);
> +unsigned long long xenDaemonDomainGetMaxMemory(virConnectPtr conn,
> +                                               virDomainDefPtr def);
>  char **xenDaemonListDomainsOld(virConnectPtr xend);
>  
> -char *xenDaemonDomainGetOSType(virDomainPtr domain);
> +char *xenDaemonDomainGetOSType(virConnectPtr conn,
> +                               virDomainDefPtr def);
>   

Still fits on one line.

>  
>  int xenDaemonNumOfDefinedDomains(virConnectPtr conn);
>  int xenDaemonListDefinedDomains(virConnectPtr conn,
> diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
> index f4e8ea0..ce44e39 100644
> --- a/src/xen/xm_internal.c
> +++ b/src/xen/xm_internal.c
> @@ -446,7 +446,8 @@ xenXMClose(virConnectPtr conn)
>   * Since these are all offline domains, the state is always SHUTOFF.
>   */
>  int
> -xenXMDomainGetState(virDomainPtr domain ATTRIBUTE_UNUSED,
> +xenXMDomainGetState(virConnectPtr conn ATTRIBUTE_UNUSED,
> +                    virDomainDefPtr def ATTRIBUTE_UNUSED,
>                      int *state,
>                      int *reason)
>  {
> @@ -463,15 +464,17 @@ xenXMDomainGetState(virDomainPtr domain ATTRIBUTE_UNUSED,
>   * VCPUs and memory.
>   */
>  int
> -xenXMDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
> +xenXMDomainGetInfo(virConnectPtr conn,
> +                   virDomainDefPtr def,
> +                   virDomainInfoPtr info)
>  {
> -    xenUnifiedPrivatePtr priv = domain->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      const char *filename;
>      xenXMConfCachePtr entry;
>  
>      xenUnifiedLock(priv);
>  
> -    if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
> +    if (!(filename = virHashLookup(priv->nameConfigMap, def->name)))
>          goto error;
>  
>      if (!(entry = virHashLookup(priv->configCache, filename)))
> @@ -530,9 +533,11 @@ cleanup:
>   * Update amount of memory in the config file
>   */
>  int
> -xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory)
> +xenXMDomainSetMemory(virConnectPtr conn,
> +                     virDomainDefPtr def,
> +                     unsigned long memory)
>  {
> -    xenUnifiedPrivatePtr priv = domain->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      const char *filename;
>      xenXMConfCachePtr entry;
>      int ret = -1;
> @@ -546,7 +551,7 @@ xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory)
>  
>      xenUnifiedLock(priv);
>  
> -    if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
> +    if (!(filename = virHashLookup(priv->nameConfigMap, def->name)))
>          goto cleanup;
>  
>      if (!(entry = virHashLookup(priv->configCache, filename)))
> @@ -559,7 +564,7 @@ xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory)
>      /* If this fails, should we try to undo our changes to the
>       * in-memory representation of the config file. I say not!
>       */
> -    if (xenXMConfigSaveFile(domain->conn, entry->filename, entry->def) < 0)
> +    if (xenXMConfigSaveFile(conn, entry->filename, entry->def) < 0)
>          goto cleanup;
>      ret = 0;
>  
> @@ -572,9 +577,11 @@ cleanup:
>   * Update maximum memory limit in config
>   */
>  int
> -xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory)
> +xenXMDomainSetMaxMemory(virConnectPtr conn,
> +                        virDomainDefPtr def,
> +                        unsigned long memory)
>  {
> -    xenUnifiedPrivatePtr priv = domain->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      const char *filename;
>      xenXMConfCachePtr entry;
>      int ret = -1;
> @@ -588,7 +595,7 @@ xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory)
>  
>      xenUnifiedLock(priv);
>  
> -    if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
> +    if (!(filename = virHashLookup(priv->nameConfigMap, def->name)))
>          goto cleanup;
>  
>      if (!(entry = virHashLookup(priv->configCache, filename)))
> @@ -601,7 +608,7 @@ xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory)
>      /* If this fails, should we try to undo our changes to the
>       * in-memory representation of the config file. I say not!
>       */
> -    if (xenXMConfigSaveFile(domain->conn, entry->filename, entry->def) < 0)
> +    if (xenXMConfigSaveFile(conn, entry->filename, entry->def) < 0)
>          goto cleanup;
>      ret = 0;
>  
> @@ -614,19 +621,17 @@ cleanup:
>   * Get max memory limit from config
>   */
>  unsigned long long
> -xenXMDomainGetMaxMemory(virDomainPtr domain)
> +xenXMDomainGetMaxMemory(virConnectPtr conn,
> +                        virDomainDefPtr def)
>   

Still fits on one line.

ACK, pending answer to question above about xenDaemonDomainGetOSType vs
xenHypervisorDomainGetOSType.

Regards,
Jim


>  {
> -    xenUnifiedPrivatePtr priv = domain->conn->privateData;
> +    xenUnifiedPrivatePtr priv = conn->privateData;
>      const char *filename;
>      xenXMConfCachePtr entry;
>      unsigned long long ret = 0;
>  
> -    if (domain->id != -1)
> -        return 0;
> -
>      xenUnifiedLock(priv);
>  
> -    if (!(filename = virHashLookup(priv->nameConfigMap, domain->name)))
> +    if (!(filename = virHashLookup(priv->nameConfigMap, def->name)))
>          goto cleanup;
>  
>      if (!(entry = virHashLookup(priv->configCache, filename)))
> diff --git a/src/xen/xm_internal.h b/src/xen/xm_internal.h
> index 0e55897..0ae32bc 100644
> --- a/src/xen/xm_internal.h
> +++ b/src/xen/xm_internal.h
> @@ -37,14 +37,22 @@ int xenXMConfigCacheRemoveFile(virConnectPtr conn, const char *filename);
>  int xenXMOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags);
>  int xenXMClose(virConnectPtr conn);
>  const char *xenXMGetType(virConnectPtr conn);
> -int xenXMDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info);
> -int xenXMDomainGetState(virDomainPtr domain,
> +int xenXMDomainGetInfo(virConnectPtr conn,
> +                       virDomainDefPtr def,
> +                       virDomainInfoPtr info);
> +int xenXMDomainGetState(virConnectPtr conn,
> +                        virDomainDefPtr def,
>                          int *state,
>                          int *reason);
>  char *xenXMDomainGetXMLDesc(virDomainPtr domain, unsigned int flags);
> -int xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory);
> -int xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
> -unsigned long long xenXMDomainGetMaxMemory(virDomainPtr domain);
> +int xenXMDomainSetMemory(virConnectPtr conn,
> +                         virDomainDefPtr def,
> +                         unsigned long memory);
> +int xenXMDomainSetMaxMemory(virConnectPtr conn,
> +                            virDomainDefPtr def,
> +                            unsigned long memory);
> +unsigned long long xenXMDomainGetMaxMemory(virConnectPtr conn,
> +                                           virDomainDefPtr def);
>  int xenXMDomainSetVcpus(virDomainPtr domain, unsigned int vcpus);
>  int xenXMDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
>                               unsigned int flags);
>   

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