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[Xen-changelog] [xen-unstable] Added modelling and C bindings for the PBD class. PBDs are the analogue of



# HG changeset patch
# User Ewan Mellor <ewan@xxxxxxxxxxxxx>
# Date 1170076673 0
# Node ID 049d9022653c9668f93bc8071d0abd8ddff19ea0
# Parent  7d64bdc7a300c19f6232290f10dfd4bdbaacfb70
Added modelling and C bindings for the PBD class.  PBDs are the analogue of
PIFs, indicating how an SR is attached to a host.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>
---
 docs/xen-api/xenapi-datamodel.tex |  378 ++++++++++++++++++++++++++++++++++++++
 tools/libxen/include/xen_host.h   |   13 +
 tools/libxen/include/xen_sr.h     |   13 +
 tools/libxen/src/xen_host.c       |   22 ++
 tools/libxen/src/xen_sr.c         |    5 
 5 files changed, 427 insertions(+), 4 deletions(-)

diff -r 7d64bdc7a300 -r 049d9022653c docs/xen-api/xenapi-datamodel.tex
--- a/docs/xen-api/xenapi-datamodel.tex Mon Jan 29 13:16:00 2007 +0000
+++ b/docs/xen-api/xenapi-datamodel.tex Mon Jan 29 13:17:53 2007 +0000
@@ -33,6 +33,7 @@ Name & Description \\
 {\tt SR} & A storage repository \\
 {\tt VDI} & A virtual disk image \\
 {\tt VBD} & A virtual block device \\
+{\tt PBD} & The physical block devices through which hosts access SRs \\
 {\tt VTPM} & A virtual TPM device \\
 {\tt console} & A console \\
 {\tt user} & A user of the system \\
@@ -46,6 +47,8 @@ Fields that are bound together are shown
 {\em object.field} & {\em object.field} & {\em relationship} \\
 
 \hline
+host.PBDs & PBD.host & many-to-one\\
+SR.PBDs & PBD.SR & many-to-one\\
 VDI.VBDs & VBD.VDI & many-to-one\\
 VBD.VM & VM.VBDs & one-to-many\\
 VIF.VM & VM.VIFs & one-to-many\\
@@ -4232,6 +4235,7 @@ Quals & Field & Type & Description \\
 $\mathit{RO}_\mathit{run}$ &  {\tt software\_version} & (string $\rightarrow$ 
string) Map & version strings \\
 $\mathit{RO}_\mathit{run}$ &  {\tt resident\_VMs} & (VM ref) Set & list of VMs 
currently resident on host \\
 $\mathit{RO}_\mathit{run}$ &  {\tt PIFs} & (PIF ref) Set & physical network 
interfaces \\
+$\mathit{RO}_\mathit{run}$ &  {\tt PBDs} & (PBD ref) Set & physical 
blockdevices \\
 $\mathit{RO}_\mathit{run}$ &  {\tt host\_CPUs} & (host\_cpu ref) Set & The 
physical CPUs on this host \\
 \hline
 \end{longtable}
@@ -4641,6 +4645,38 @@ Get the PIFs field of the given host.
  \noindent {\bf Return Type:} 
 {\tt 
 (PIF ref) Set
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_PBDs}
+
+{\bf Overview:} 
+Get the PBDs field of the given host.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} ((PBD ref) Set) get_PBDs (session_id s, host ref 
self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt host ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+(PBD ref) Set
 }
 
 
@@ -7063,6 +7099,7 @@ Quals & Field & Type & Description \\
 $\mathit{RW}$ &  {\tt name/label} & string & a human-readable name \\
 $\mathit{RW}$ &  {\tt name/description} & string & a notes field containg 
human-readable description \\
 $\mathit{RO}_\mathit{run}$ &  {\tt VDIs} & (VDI ref) Set & managed virtual 
disks \\
+$\mathit{RO}_\mathit{run}$ &  {\tt PBDs} & (PBD ref) Set & physical 
blockdevices \\
 $\mathit{RO}_\mathit{run}$ &  {\tt virtual\_allocation} & int & sum of 
virtual\_sizes of all VDIs in this storage repository (in bytes) \\
 $\mathit{RO}_\mathit{run}$ &  {\tt physical\_utilisation} & int & physical 
space currently utilised on this storage repository (in bytes). Note that for 
sparse disk formats, physical\_utilisation may be less than virtual\_allocation 
\\
 $\mathit{RO}_\mathit{ins}$ &  {\tt physical\_size} & int & total physical size 
of the repository (in bytes) \\
@@ -7318,6 +7355,38 @@ Get the VDIs field of the given SR.
  \noindent {\bf Return Type:} 
 {\tt 
 (VDI ref) Set
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_PBDs}
+
+{\bf Overview:} 
+Get the PBDs field of the given SR.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} ((PBD ref) Set) get_PBDs (session_id s, SR ref 
self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt SR ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+(PBD ref) Set
 }
 
 
@@ -9138,6 +9207,315 @@ all fields from the object
 
 \vspace{1cm}
 \newpage
+\section{Class: PBD}
+\subsection{Fields for class: PBD}
+\begin{longtable}{|lllp{0.38\textwidth}|}
+\hline
+\multicolumn{1}{|l}{Name} & \multicolumn{3}{l|}{\bf PBD} \\
+\multicolumn{1}{|l}{Description} & \multicolumn{3}{l|}{\parbox{11cm}{\em
+The physical block devices through which hosts access SRs.}} \\
+\hline
+Quals & Field & Type & Description \\
+\hline
+$\mathit{RO}_\mathit{run}$ &  {\tt uuid} & string & unique identifier/object 
reference \\
+$\mathit{RO}_\mathit{ins}$ &  {\tt host} & host ref & physical machine on 
which the pbd is available \\
+$\mathit{RO}_\mathit{ins}$ &  {\tt SR} & SR ref & the storage repository that 
the pbd realises \\
+$\mathit{RO}_\mathit{ins}$ &  {\tt device\_config} & (string $\rightarrow$ 
string) Map & a config string that is provided to the host's SR-backend-driver 
\\
+$\mathit{RO}_\mathit{run}$ &  {\tt currently\_attached} & bool & is the SR 
currently attached on this host? \\
+\hline
+\end{longtable}
+\subsection{Additional RPCs associated with class: PBD}
+\subsubsection{RPC name:~get\_uuid}
+
+{\bf Overview:} 
+Get the uuid field of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} string get_uuid (session_id s, PBD ref self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+string
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_host}
+
+{\bf Overview:} 
+Get the host field of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} (host ref) get_host (session_id s, PBD ref self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+host ref
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_SR}
+
+{\bf Overview:} 
+Get the SR field of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} (SR ref) get_SR (session_id s, PBD ref self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+SR ref
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_device\_config}
+
+{\bf Overview:} 
+Get the device\_config field of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} ((string -> string) Map) get_device_config (session_id s, PBD 
ref self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+(string $\rightarrow$ string) Map
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_currently\_attached}
+
+{\bf Overview:} 
+Get the currently\_attached field of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} bool get_currently_attached (session_id s, PBD ref 
self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+bool
+}
+
+
+value of the field
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~create}
+
+{\bf Overview:} 
+Create a new PBD instance, and return its handle.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} (PBD ref) create (session_id s, PBD record args)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD record } & args & All constructor arguments \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+PBD ref
+}
+
+
+reference to the newly created object
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~destroy}
+
+{\bf Overview:} 
+Destroy the specified PBD instance.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} void destroy (session_id s, PBD ref self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+void
+}
+
+
+
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_by\_uuid}
+
+{\bf Overview:} 
+Get a reference to the PBD instance with the specified UUID.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} (PBD ref) get_by_uuid (session_id s, string 
uuid)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt string } & uuid & UUID of object to return \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+PBD ref
+}
+
+
+reference to the object
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+\subsubsection{RPC name:~get\_record}
+
+{\bf Overview:} 
+Get a record containing the current state of the given PBD.
+
+ \noindent {\bf Signature:} 
+\begin{verbatim} (PBD record) get_record (session_id s, PBD ref 
self)\end{verbatim}
+
+
+\noindent{\bf Arguments:}
+
+ 
+\vspace{0.3cm}
+\begin{tabular}{|c|c|p{7cm}|}
+ \hline
+{\bf type} & {\bf name} & {\bf description} \\ \hline
+{\tt PBD ref } & self & reference to the object \\ \hline 
+
+\end{tabular}
+
+\vspace{0.3cm}
+
+ \noindent {\bf Return Type:} 
+{\tt 
+PBD record
+}
+
+
+all fields from the object
+\vspace{0.3cm}
+\vspace{0.3cm}
+\vspace{0.3cm}
+
+\vspace{1cm}
+\newpage
 \section{Class: VTPM}
 \subsection{Fields for class: VTPM}
 \begin{longtable}{|lllp{0.38\textwidth}|}
diff -r 7d64bdc7a300 -r 049d9022653c tools/libxen/include/xen_host.h
--- a/tools/libxen/include/xen_host.h   Mon Jan 29 13:16:00 2007 +0000
+++ b/tools/libxen/include/xen_host.h   Mon Jan 29 13:17:53 2007 +0000
@@ -22,14 +22,15 @@
 #include "xen_common.h"
 #include "xen_host_cpu_decl.h"
 #include "xen_host_decl.h"
+#include "xen_pbd_decl.h"
 #include "xen_pif_decl.h"
 #include "xen_string_string_map.h"
 #include "xen_vm_decl.h"
 
 
 /*
- * The host class. 
- *  
+ * The host class.
+ * 
  * A physical host.
  */
 
@@ -71,6 +72,7 @@ typedef struct xen_host_record
     xen_string_string_map *software_version;
     struct xen_vm_record_opt_set *resident_vms;
     struct xen_pif_record_opt_set *pifs;
+    struct xen_pbd_record_opt_set *pbds;
     struct xen_host_cpu_record_opt_set *host_cpus;
 } xen_host_record;
 
@@ -231,6 +233,13 @@ xen_host_get_pifs(xen_session *session, 
 
 
 /**
+ * Get the PBDs field of the given host.
+ */
+extern bool
+xen_host_get_pbds(xen_session *session, struct xen_pbd_set **result, xen_host 
host);
+
+
+/**
  * Get the host_CPUs field of the given host.
  */
 extern bool
diff -r 7d64bdc7a300 -r 049d9022653c tools/libxen/include/xen_sr.h
--- a/tools/libxen/include/xen_sr.h     Mon Jan 29 13:16:00 2007 +0000
+++ b/tools/libxen/include/xen_sr.h     Mon Jan 29 13:17:53 2007 +0000
@@ -20,13 +20,14 @@
 #define XEN_SR_H
 
 #include "xen_common.h"
+#include "xen_pbd_decl.h"
 #include "xen_sr_decl.h"
 #include "xen_vdi_decl.h"
 
 
 /*
- * The SR class. 
- *  
+ * The SR class.
+ * 
  * A storage repository.
  */
 
@@ -66,6 +67,7 @@ typedef struct xen_sr_record
     char *name_label;
     char *name_description;
     struct xen_vdi_record_opt_set *vdis;
+    struct xen_pbd_record_opt_set *pbds;
     int64_t virtual_allocation;
     int64_t physical_utilisation;
     int64_t physical_size;
@@ -216,6 +218,13 @@ xen_sr_get_vdis(xen_session *session, st
 
 
 /**
+ * Get the PBDs field of the given SR.
+ */
+extern bool
+xen_sr_get_pbds(xen_session *session, struct xen_pbd_set **result, xen_sr sr);
+
+
+/**
  * Get the virtual_allocation field of the given SR.
  */
 extern bool
diff -r 7d64bdc7a300 -r 049d9022653c tools/libxen/src/xen_host.c
--- a/tools/libxen/src/xen_host.c       Mon Jan 29 13:16:00 2007 +0000
+++ b/tools/libxen/src/xen_host.c       Mon Jan 29 13:17:53 2007 +0000
@@ -24,6 +24,7 @@
 #include "xen_host.h"
 #include "xen_host_cpu.h"
 #include "xen_internal.h"
+#include "xen_pbd.h"
 #include "xen_pif.h"
 #include "xen_string_string_map.h"
 #include "xen_vm.h"
@@ -58,6 +59,9 @@ static const struct_member xen_host_reco
         { .key = "PIFs",
           .type = &abstract_type_ref_set,
           .offset = offsetof(xen_host_record, pifs) },
+        { .key = "PBDs",
+          .type = &abstract_type_ref_set,
+          .offset = offsetof(xen_host_record, pbds) },
         { .key = "host_CPUs",
           .type = &abstract_type_ref_set,
           .offset = offsetof(xen_host_record, host_cpus) }
@@ -87,6 +91,7 @@ xen_host_record_free(xen_host_record *re
     xen_string_string_map_free(record->software_version);
     xen_vm_record_opt_set_free(record->resident_vms);
     xen_pif_record_opt_set_free(record->pifs);
+    xen_pbd_record_opt_set_free(record->pbds);
     xen_host_cpu_record_opt_set_free(record->host_cpus);
     free(record);
 }
@@ -266,6 +271,23 @@ xen_host_get_pifs(xen_session *session, 
 
 
 bool
+xen_host_get_pbds(xen_session *session, struct xen_pbd_set **result, xen_host 
host)
+{
+    abstract_value param_values[] =
+        {
+            { .type = &abstract_type_string,
+              .u.string_val = host }
+        };
+
+    abstract_type result_type = abstract_type_string_set;
+
+    *result = NULL;
+    XEN_CALL_("host.get_PBDs");
+    return session->ok;
+}
+
+
+bool
 xen_host_get_host_cpus(xen_session *session, struct xen_host_cpu_set **result, 
xen_host host)
 {
     abstract_value param_values[] =
diff -r 7d64bdc7a300 -r 049d9022653c tools/libxen/src/xen_sr.c
--- a/tools/libxen/src/xen_sr.c Mon Jan 29 13:16:00 2007 +0000
+++ b/tools/libxen/src/xen_sr.c Mon Jan 29 13:17:53 2007 +0000
@@ -22,6 +22,7 @@
 
 #include "xen_common.h"
 #include "xen_internal.h"
+#include "xen_pbd.h"
 #include "xen_sr.h"
 #include "xen_vdi.h"
 
@@ -49,6 +50,9 @@ static const struct_member xen_sr_record
         { .key = "VDIs",
           .type = &abstract_type_ref_set,
           .offset = offsetof(xen_sr_record, vdis) },
+        { .key = "PBDs",
+          .type = &abstract_type_ref_set,
+          .offset = offsetof(xen_sr_record, pbds) },
         { .key = "virtual_allocation",
           .type = &abstract_type_int,
           .offset = offsetof(xen_sr_record, virtual_allocation) },
@@ -88,6 +92,7 @@ xen_sr_record_free(xen_sr_record *record
     free(record->name_label);
     free(record->name_description);
     xen_vdi_record_opt_set_free(record->vdis);
+    xen_pbd_record_opt_set_free(record->pbds);
     free(record->type);
     free(record->location);
     free(record);

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