+Wed May 7 16:02:07 CEST 2008 Daniel Veillard <veillard@redhat.com>
+
+ * src/qemu_conf.c src/qemu_conf.h src/xend_internal.c
+ src/xend_internal.h src/xm_internal.c src/xml.c src/xml.h:
+ Patch from Cole Robinson adding sound support for QEmu and Xen
+ * tests/qemuxml2argvtest.c tests/sexpr2xmltest.c
+ tests/xmconfigtest.c tests/xml2sexprtest.c:
+ Associated regression tests
+
Mon May 6 17:43:28 EST 2008 Daniel P. Berrange <berrange@redhat.com>
* src/memory.c: Add missing stddefs.h for ptrdiff_t type
return -1;
}
+/* Sound device helper functions */
+static int qemudSoundModelFromString(const char *model) {
+ if (STREQ(model, "sb16")) {
+ return QEMU_SOUND_SB16;
+ } else if (STREQ(model, "es1370")) {
+ return QEMU_SOUND_ES1370;
+ } else if (STREQ(model, "pcspk")) {
+ return QEMU_SOUND_PCSPK;
+ }
+
+ return -1;
+}
+
+static const char *qemudSoundModelToString(const int model) {
+
+ if (model == QEMU_SOUND_SB16) {
+ return "sb16";
+ } else if (model == QEMU_SOUND_ES1370) {
+ return "es1370";
+ } else if (model == QEMU_SOUND_PCSPK) {
+ return "pcspk";
+ }
+
+ return NULL;
+}
+
+
+static int qemudParseSoundXML(virConnectPtr conn,
+ struct qemud_vm_sound_def *sound,
+ const xmlNodePtr node) {
+
+ int err = -1;
+ xmlChar *model = NULL;
+ model = xmlGetProp(node, BAD_CAST "model");
+
+ if (!model) {
+ qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
+ "%s", _("missing sound model"));
+ goto error;
+ }
+ if ((sound->model = qemudSoundModelFromString((char *) model)) < 0) {
+ qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
+ _("invalid sound model '%s'"), (char *) model);
+ goto error;
+ }
+
+ err = 0;
+ error:
+ xmlFree(model);
+ return err;
+}
+
/*
* Parses a libvirt XML definition of a guest, and populates the
}
}
xmlXPathFreeObject(obj);
+
+ /* Parse sound driver xml */
+ obj = xmlXPathEval(BAD_CAST "/domain/devices/sound", ctxt);
+ if ((obj != NULL) && (obj->type == XPATH_NODESET) &&
+ (obj->nodesetval != NULL) && (obj->nodesetval->nodeNr >= 0)) {
+ struct qemud_vm_sound_def *prev = NULL;
+ for (i = 0; i < obj->nodesetval->nodeNr; i++) {
+
+ struct qemud_vm_sound_def *sound = calloc(1, sizeof(*sound));
+ struct qemud_vm_sound_def *check = def->sounds;
+ int collision = 0;
+ if (!sound) {
+ qemudReportError(conn, NULL, NULL, VIR_ERR_NO_MEMORY,
+ "%s", _("failed to allocate space for sound dev"));
+ goto error;
+ }
+ if (qemudParseSoundXML(conn, sound,
+ obj->nodesetval->nodeTab[i]) < 0) {
+ free(sound);
+ goto error;
+ }
+
+ // Check that model type isn't already present in sound dev list
+ while(check) {
+ if (check->model == sound->model) {
+ collision = 1;
+ break;
+ }
+ check = check->next;
+ }
+ if (collision)
+ continue;
+
+ def->nsounds++;
+ sound->next = NULL;
+ if (def->sounds == NULL) {
+ def->sounds = sound;
+ } else {
+ prev->next = sound;
+ }
+ prev = sound;
+ }
+ }
+ xmlXPathFreeObject(obj);
obj = NULL;
/* If graphics are enabled, there's an implicit PS2 mouse */
struct qemud_vm_disk_def *disk = vm->def->disks;
struct qemud_vm_net_def *net = vm->def->nets;
struct qemud_vm_input_def *input = vm->def->inputs;
+ struct qemud_vm_sound_def *sound = vm->def->sounds;
struct qemud_vm_chr_def *serial = vm->def->serials;
struct qemud_vm_chr_def *parallel = vm->def->parallels;
struct utsname ut;
(vm->def->nnets > 0 ? (4 * vm->def->nnets) : 2) + /* networks */
1 + /* usb */
2 * vm->def->ninputs + /* input devices */
+ ((vm->def->nsounds > 0) ? 2 : 0) + /* sound */
(vm->def->nserials > 0 ? (2 * vm->def->nserials) : 2) + /* character devices */
(vm->def->nparallels > 0 ? (2 * vm->def->nparallels) : 2) + /* character devices */
2 + /* memory*/
/* SDL is the default. no args needed */
}
+ /* Add sound hardware */
+ if (sound) {
+ int size = 100;
+ char *modstr = calloc(1, size+1);
+ if (!modstr)
+ goto no_memory;
+ if (!((*argv)[++n] = strdup("-soundhw")))
+ goto no_memory;
+
+ while(sound && size > 0) {
+ const char *model = qemudSoundModelToString(sound->model);
+ if (!model) {
+ qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
+ _("invalid sound model"));
+ goto error;
+ }
+ strncat(modstr, model, size);
+ size -= strlen(model);
+ sound = sound->next;
+ if (sound)
+ strncat(modstr, ",", size--);
+ }
+ if (!((*argv)[++n] = modstr))
+ goto no_memory;
+ }
+
if (vm->migrateFrom[0]) {
if (!((*argv)[++n] = strdup("-S")))
goto no_memory;
} else if (xmlStrEqual(node->name, BAD_CAST "input")) {
dev->type = QEMUD_DEVICE_DISK;
qemudParseInputXML(conn, &(dev->data.input), node);
+ } else if (xmlStrEqual(node->name, BAD_CAST "sound")) {
+ dev->type = QEMUD_DEVICE_SOUND;
+ qemudParseSoundXML(conn, &(dev->data.sound), node);
} else {
qemudReportError(conn, NULL, NULL, VIR_ERR_XML_ERROR,
"%s", _("unknown device type"));
const struct qemud_vm_disk_def *disk;
const struct qemud_vm_net_def *net;
const struct qemud_vm_input_def *input;
+ const struct qemud_vm_sound_def *sound;
const struct qemud_vm_chr_def *chr;
const char *type = NULL;
int n;
break;
}
+ sound = def->sounds;
+ while(sound) {
+ const char *model = qemudSoundModelToString(sound->model);
+ if (!model) {
+ qemudReportError(conn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
+ _("invalid sound model"));
+ goto cleanup;
+ }
+ virBufferVSprintf(&buf, " <sound model='%s'/>\n", model);
+ sound = sound->next;
+ }
+
virBufferAddLit(&buf, " </devices>\n");
virBufferAddLit(&buf, "</domain>\n");
struct qemud_vm_input_def *next;
};
+enum qemu_vm_sound_model {
+ QEMU_SOUND_NONE = 0,
+ QEMU_SOUND_SB16,
+ QEMU_SOUND_ES1370,
+ QEMU_SOUND_PCSPK,
+};
+
+struct qemud_vm_sound_def {
+ int model;
+ struct qemud_vm_sound_def *next;
+};
+
/* Flags for the 'type' field in next struct */
enum qemud_vm_device_type {
QEMUD_DEVICE_DISK,
QEMUD_DEVICE_NET,
QEMUD_DEVICE_INPUT,
+ QEMUD_DEVICE_SOUND,
};
struct qemud_vm_device_def {
struct qemud_vm_disk_def disk;
struct qemud_vm_net_def net;
struct qemud_vm_input_def input;
+ struct qemud_vm_sound_def sound;
} data;
};
unsigned int ninputs;
struct qemud_vm_input_def *inputs;
+ unsigned int nsounds;
+ struct qemud_vm_sound_def *sounds;
+
unsigned int nserials;
struct qemud_vm_chr_def *serials;
return buffer;
}
+
+/* Applicable sound models */
+const char *sound_models[] = { "sb16", "es1370" };
+
+/**
+ * is_sound_model_valid:
+ * @model : model string to check against whitelist
+ *
+ * checks passed model string against whitelist of acceptable models
+ *
+ * Returns 0 if invalid, 1 otherwise
+ */
+int is_sound_model_valid(const char *model) {
+ int i;
+
+ for (i = 0; i < sizeof(sound_models)/sizeof(*sound_models); ++i) {
+ if (STREQ(model, sound_models[i])) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+/**
+ * is_sound_model_conflict:
+ * @model : model string to look for duplicates of
+ * @soundstr : soundhw string for the form m1,m2,m3 ...
+ *
+ * Returns 0 if no conflict, 1 otherwise
+ */
+int is_sound_model_conflict(const char *model, const char *soundstr) {
+
+ char *dupe;
+ char *cur = (char *) soundstr;
+ while ((dupe = strstr(cur, model))) {
+ if (( (dupe == cur) || // (Start of line |
+ (*(dupe - 1) == ',') ) && // Preceded by comma) &
+ ( (dupe[strlen(model)] == ',') || // (Ends with comma |
+ (dupe[strlen(model)] == '\0') )) // Ends whole string)
+ return 1;
+ else
+ cur = dupe + strlen(model);
+ }
+ return 0;
+}
+
+/**
+ * sound_string_to_xml:
+ * @soundstr : soundhw string for the form m1,m2,m3 ...
+ *
+ * Parses the passed string and returns a heap allocated string containing
+ * the valid libvirt soundxml. Must be free'd by caller.
+ *
+ * Returns NULL on fail, xml string on success (can be the empty string).
+ */
+char *sound_string_to_xml(const char *sound) {
+
+ virBuffer buf = VIR_BUFFER_INITIALIZER;
+
+ while (sound) {
+ int modelsize, valid, collision = 0;
+ char *model = NULL;
+ char *model_end = strchr(sound, ',');
+ modelsize = (model_end ? (model_end - sound) : strlen(sound));
+
+ if(!(model = strndup(sound, modelsize)))
+ goto error;
+
+ if (!(valid = is_sound_model_valid(model))) {
+ // Check for magic 'all' model. If found, throw out current xml
+ // and build with all available models
+ if (STREQ(model, "all")) {
+ int i;
+ free(virBufferContentAndReset(&buf));
+
+ for (i=0; i < sizeof(sound_models)/sizeof(*sound_models); ++i)
+ virBufferVSprintf(&buf, " <sound model='%s'/>\n",
+ sound_models[i]);
+ free(model);
+ break;
+ }
+ }
+
+ if (valid && model_end)
+ collision = is_sound_model_conflict(model, model_end);
+ if (valid && !collision)
+ virBufferVSprintf(&buf, " <sound model='%s'/>\n", model);
+
+ sound = (model_end ? ++model_end : NULL);
+ free(model);
+ }
+
+ if (virBufferError(&buf))
+ goto error;
+ return virBufferContentAndReset(&buf);
+
+ error:
+ free(virBufferContentAndReset(&buf));
+ return NULL;
+}
+
#endif /* ! PROXY */
/* PUBLIC FUNCTIONS */
}
free(tty);
+ if (hvm) {
+ if (sexpr_node(root, "domain/image/hvm/soundhw")) {
+ char *soundxml;
+ tmp = sexpr_node(root, "domain/image/hvm/soundhw");
+ if (tmp && *tmp) {
+ if ((soundxml = sound_string_to_xml(tmp))) {
+ virBufferVSprintf(&buf, "%s", soundxml);
+ free(soundxml);
+ } else {
+ virXendError(conn, VIR_ERR_INTERNAL_ERROR,
+ _("parsing soundhw string failed."));
+ goto error;
+ }
+ }
+ }
+ }
+
virBufferAddLit(&buf, " </devices>\n");
virBufferAddLit(&buf, "</domain>\n");
char *xend_parse_domain_sexp(virConnectPtr conn, char *root, int xendConfigVersion);
+ int is_sound_model_valid(const char *model);
+ int is_sound_model_conflict(const char *model, const char *soundstr);
+ char *sound_string_to_xml(const char *sound);
+
+
/* refactored ones */
int xenDaemonOpen(virConnectPtr conn, xmlURIPtr uri, virConnectAuthPtr auth, int flags);
int xenDaemonClose(virConnectPtr conn);
virBufferAddLit(&buf, " </console>\n");
}
+ if (hvm) {
+ if ((xenXMConfigGetString(conf, "soundhw", &str) == 0) && str) {
+ char *soundxml;
+ if ((soundxml = sound_string_to_xml(str))) {
+ virBufferVSprintf(&buf, "%s", soundxml);
+ free(soundxml);
+ } else {
+ xenXMError(conn, VIR_ERR_INTERNAL_ERROR,
+ _("parsing soundhw string failed."));
+ goto error;
+ }
+ }
+ }
+
virBufferAddLit(&buf, " </devices>\n");
virBufferAddLit(&buf, "</domain>\n");
if (virBufferError(&buf)) {
xenXMError(conn, VIR_ERR_NO_MEMORY, _("allocate buffer"));
- return NULL;
+ goto error;
}
return virBufferContentAndReset(&buf);
+
+ error:
+ free(virBufferContentAndReset(&buf));
+ return NULL;
}
goto error;
}
}
+
+ if (virXPathNode("/domain/devices/sound", ctxt)) {
+ char *soundstr;
+ if (!(soundstr = virBuildSoundStringFromXML(conn, ctxt)))
+ goto error;
+ if (xenXMConfigSetString(conf, "soundhw", soundstr) < 0) {
+ free(soundstr);
+ goto error;
+ }
+ free(soundstr);
+ }
}
xmlFreeDoc(doc);
#include "util.h"
#include "xs_internal.h" /* for xenStoreDomainGetNetworkID */
#include "xen_unified.h"
+#include "xend_internal.h" /* for is_sound_* functions */
/**
* virXMLError:
free(cpuset);
return (res);
}
+
+/**
+ * virBuildSoundStringFromXML
+ * @sound buffer to populate
+ * @len size of preallocated buffer 'sound'
+ * @ctxt xml context to pull sound info from
+ *
+ * Builds a string of the form m1,m2,m3 from the different sound models
+ * in the xml. String must be free'd by caller.
+ *
+ * Returns string on success, NULL on error
+ */
+char * virBuildSoundStringFromXML(virConnectPtr conn,
+ xmlXPathContextPtr ctxt) {
+
+ int nb_nodes, size = 256;
+ char *sound;
+ xmlNodePtr *nodes = NULL;
+
+ if (!(sound = calloc(1, size+1))) {
+ virXMLError(conn, VIR_ERR_NO_MEMORY,
+ _("failed to allocate sound string"), 0);
+ return NULL;
+ }
+
+ nb_nodes = virXPathNodeSet("/domain/devices/sound", ctxt, &nodes);
+ if (nb_nodes > 0) {
+ int i;
+ for (i = 0; i < nb_nodes && size > 0; i++) {
+ char *model = NULL;
+ int collision = 0;
+
+ model = (char *) xmlGetProp(nodes[i], (xmlChar *) "model");
+ if (!model) {
+ virXMLError(conn, VIR_ERR_XML_ERROR,
+ _("no model for sound device"), 0);
+ goto error;
+ }
+
+ if (!is_sound_model_valid(model)) {
+ virXMLError(conn, VIR_ERR_XML_ERROR,
+ _("unknown sound model type"), 0);
+ free(model);
+ goto error;
+ }
+
+ // Check for duplicates in currently built string
+ if (*sound)
+ collision = is_sound_model_conflict(model, sound);
+
+ // If no collision, add to string
+ if (!collision) {
+ if (*sound && (size >= (strlen(model) + 1))) {
+ strncat(sound, ",", size--);
+ } else if (*sound || size < strlen(model)) {
+ free(model);
+ continue;
+ }
+ strncat(sound, model, size);
+ size -= strlen(model);
+ }
+
+ free(model);
+ }
+ }
+ free(nodes);
+ return sound;
+
+ error:
+ free(nodes);
+ return NULL;
+}
#endif /* WITH_XEN */
#ifndef PROXY
}
}
-
/* get the cdrom device file */
/* Only XenD <= 3.0.2 wants cdrom config here */
if (xendConfigVersion == 1) {
}
}
+ cur = virXPathNode("/domain/devices/sound", ctxt);
+ if (cur) {
+ char *soundstr;
+ if (!(soundstr = virBuildSoundStringFromXML(conn, ctxt)))
+ goto error;
+ virBufferVSprintf(buf, "(soundhw '%s')", soundstr);
+ free(soundstr);
+ }
+
str = virXPathString("string(/domain/clock/@offset)", ctxt);
if (str != NULL && STREQ(str, "localtime")) {
virBufferAddLit(buf, "(localtime 1)");
char *class,
char *ref,
int ref_len);
+char * virBuildSoundStringFromXML(virConnectPtr conn,
+ xmlXPathContextPtr ctxt);
#endif
#ifdef __cplusplus
DO_TEST("serial-many");
DO_TEST("parallel-tcp");
DO_TEST("console-compat");
+ DO_TEST("sound");
virCapabilitiesFree(driver.caps);
DO_TEST("fv-serial-unix", "fv-serial-unix", 1);
DO_TEST("fv-parallel-tcp", "fv-parallel-tcp", 1);
+ DO_TEST("fv-sound", "fv-sound", 1);
+ DO_TEST("fv-sound-all", "fv-sound-all", 1);
+
exit(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
#else /* WITHOUT_XEN */
DO_TEST("fullvirt-parallel-tcp", 2);
+ DO_TEST("fullvirt-sound", 2);
+
exit(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
#else /* WITHOUT_XEN */
DO_TEST("fv-serial-unix", "fv-serial-unix", "fvtest", 1);
DO_TEST("fv-parallel-tcp", "fv-parallel-tcp", "fvtest", 1);
+ DO_TEST("fv-sound", "fv-sound", "fvtest", 1);
+
exit(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
}