--- /dev/null
+/******************************************************************************
+
+ AudioScience HPI driver
+ Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation;
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Extended Message Function With Response Caching
+
+(C) Copyright AudioScience Inc. 2002
+*****************************************************************************/
+#define SOURCEFILE_NAME "hpimsgx.c"
+#include "hpi_internal.h"
+#include "hpi_version.h"
+#include "hpimsginit.h"
+#include "hpicmn.h"
+#include "hpimsgx.h"
+#include "hpidebug.h"
+
+static struct pci_device_id asihpi_pci_tbl[] = {
+#include "hpipcida.h"
+};
+
+static struct hpios_spinlock msgx_lock;
+
+static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS];
+static int logging_enabled = 1;
+
+static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci
+ *pci_info)
+{
+
+ int i;
+
+ for (i = 0; asihpi_pci_tbl[i].vendor != 0; i++) {
+ if (asihpi_pci_tbl[i].vendor != PCI_ANY_ID
+ && asihpi_pci_tbl[i].vendor !=
+ pci_info->pci_dev->vendor)
+ continue;
+ if (asihpi_pci_tbl[i].device != PCI_ANY_ID
+ && asihpi_pci_tbl[i].device !=
+ pci_info->pci_dev->device)
+ continue;
+ if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID
+ && asihpi_pci_tbl[i].subvendor !=
+ pci_info->pci_dev->subsystem_vendor)
+ continue;
+ if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID
+ && asihpi_pci_tbl[i].subdevice !=
+ pci_info->pci_dev->subsystem_device)
+ continue;
+
+ /* HPI_DEBUG_LOG(DEBUG, " %x,%lx\n", i,
+ asihpi_pci_tbl[i].driver_data); */
+ return (hpi_handler_func *) asihpi_pci_tbl[i].driver_data;
+ }
+
+ return NULL;
+}
+
+static inline void hw_entry_point(struct hpi_message *phm,
+ struct hpi_response *phr)
+{
+ if ((phm->adapter_index < HPI_MAX_ADAPTERS)
+ && hpi_entry_points[phm->adapter_index])
+ hpi_entry_points[phm->adapter_index] (phm, phr);
+ else
+ hpi_init_response(phr, phm->object, phm->function,
+ HPI_ERROR_PROCESSING_MESSAGE);
+}
+
+static void adapter_open(struct hpi_message *phm, struct hpi_response *phr);
+static void adapter_close(struct hpi_message *phm, struct hpi_response *phr);
+
+static void mixer_open(struct hpi_message *phm, struct hpi_response *phr);
+static void mixer_close(struct hpi_message *phm, struct hpi_response *phr);
+
+static void outstream_open(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner);
+static void outstream_close(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner);
+static void instream_open(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner);
+static void instream_close(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner);
+
+static void HPIMSGX__reset(u16 adapter_index);
+
+static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr);
+static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner);
+
+#ifndef DISABLE_PRAGMA_PACK1
+#pragma pack(push, 1)
+#endif
+
+struct hpi_subsys_response {
+ struct hpi_response_header h;
+ struct hpi_subsys_res s;
+};
+
+struct hpi_adapter_response {
+ struct hpi_response_header h;
+ struct hpi_adapter_res a;
+};
+
+struct hpi_mixer_response {
+ struct hpi_response_header h;
+ struct hpi_mixer_res m;
+};
+
+struct hpi_stream_response {
+ struct hpi_response_header h;
+ struct hpi_stream_res d;
+};
+
+struct adapter_info {
+ u16 type;
+ u16 num_instreams;
+ u16 num_outstreams;
+};
+
+struct asi_open_state {
+ int open_flag;
+ void *h_owner;
+};
+
+#ifndef DISABLE_PRAGMA_PACK1
+#pragma pack(pop)
+#endif
+
+/* Globals */
+static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS];
+
+static struct hpi_stream_response
+ rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
+
+static struct hpi_stream_response
+ rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
+
+static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS];
+
+static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS];
+
+/* use these to keep track of opens from user mode apps/DLLs */
+static struct asi_open_state
+ outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
+
+static struct asi_open_state
+ instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];
+
+static void subsys_message(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+ if (phm->adapter_index != HPI_ADAPTER_INDEX_INVALID)
+ HPI_DEBUG_LOG(WARNING,
+ "suspicious adapter index %d in subsys message 0x%x.\n",
+ phm->adapter_index, phm->function);
+
+ switch (phm->function) {
+ case HPI_SUBSYS_GET_VERSION:
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
+ HPI_SUBSYS_GET_VERSION, 0);
+ phr->u.s.version = HPI_VER >> 8; /* return major.minor */
+ phr->u.s.data = HPI_VER; /* return major.minor.release */
+ break;
+ case HPI_SUBSYS_OPEN:
+ /*do not propagate the message down the chain */
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_OPEN, 0);
+ break;
+ case HPI_SUBSYS_CLOSE:
+ /*do not propagate the message down the chain */
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CLOSE,
+ 0);
+ HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner);
+ break;
+ case HPI_SUBSYS_DRIVER_LOAD:
+ /* Initialize this module's internal state */
+ hpios_msgxlock_init(&msgx_lock);
+ memset(&hpi_entry_points, 0, sizeof(hpi_entry_points));
+ /* Init subsys_findadapters response to no-adapters */
+ HPIMSGX__reset(HPIMSGX_ALLADAPTERS);
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
+ HPI_SUBSYS_DRIVER_LOAD, 0);
+ /* individual HPIs dont implement driver load */
+ HPI_COMMON(phm, phr);
+ break;
+ case HPI_SUBSYS_DRIVER_UNLOAD:
+ HPI_COMMON(phm, phr);
+ HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner);
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM,
+ HPI_SUBSYS_DRIVER_UNLOAD, 0);
+ return;
+
+ case HPI_SUBSYS_GET_NUM_ADAPTERS:
+ case HPI_SUBSYS_GET_ADAPTER:
+ HPI_COMMON(phm, phr);
+ break;
+
+ case HPI_SUBSYS_CREATE_ADAPTER:
+ HPIMSGX__init(phm, phr);
+ break;
+
+ default:
+ /* Must explicitly handle every subsys message in this switch */
+ hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function,
+ HPI_ERROR_INVALID_FUNC);
+ break;
+ }
+}
+
+static void adapter_message(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+ switch (phm->function) {
+ case HPI_ADAPTER_OPEN:
+ adapter_open(phm, phr);
+ break;
+ case HPI_ADAPTER_CLOSE:
+ adapter_close(phm, phr);
+ break;
+ case HPI_ADAPTER_DELETE:
+ HPIMSGX__cleanup(phm->adapter_index, h_owner);
+ {
+ struct hpi_message hm;
+ struct hpi_response hr;
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER,
+ HPI_ADAPTER_CLOSE);
+ hm.adapter_index = phm->adapter_index;
+ hw_entry_point(&hm, &hr);
+ }
+ hw_entry_point(phm, phr);
+ break;
+
+ default:
+ hw_entry_point(phm, phr);
+ break;
+ }
+}
+
+static void mixer_message(struct hpi_message *phm, struct hpi_response *phr)
+{
+ switch (phm->function) {
+ case HPI_MIXER_OPEN:
+ mixer_open(phm, phr);
+ break;
+ case HPI_MIXER_CLOSE:
+ mixer_close(phm, phr);
+ break;
+ default:
+ hw_entry_point(phm, phr);
+ break;
+ }
+}
+
+static void outstream_message(struct hpi_message *phm,
+ struct hpi_response *phr, void *h_owner)
+{
+ if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) {
+ hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function,
+ HPI_ERROR_INVALID_OBJ_INDEX);
+ return;
+ }
+
+ switch (phm->function) {
+ case HPI_OSTREAM_OPEN:
+ outstream_open(phm, phr, h_owner);
+ break;
+ case HPI_OSTREAM_CLOSE:
+ outstream_close(phm, phr, h_owner);
+ break;
+ default:
+ hw_entry_point(phm, phr);
+ break;
+ }
+}
+
+static void instream_message(struct hpi_message *phm,
+ struct hpi_response *phr, void *h_owner)
+{
+ if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) {
+ hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function,
+ HPI_ERROR_INVALID_OBJ_INDEX);
+ return;
+ }
+
+ switch (phm->function) {
+ case HPI_ISTREAM_OPEN:
+ instream_open(phm, phr, h_owner);
+ break;
+ case HPI_ISTREAM_CLOSE:
+ instream_close(phm, phr, h_owner);
+ break;
+ default:
+ hw_entry_point(phm, phr);
+ break;
+ }
+}
+
+/* NOTE: HPI_Message() must be defined in the driver as a wrapper for
+ * HPI_MessageEx so that functions in hpifunc.c compile.
+ */
+void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+
+ if (logging_enabled)
+ HPI_DEBUG_MESSAGE(DEBUG, phm);
+
+ if (phm->type != HPI_TYPE_REQUEST) {
+ hpi_init_response(phr, phm->object, phm->function,
+ HPI_ERROR_INVALID_TYPE);
+ return;
+ }
+
+ if (phm->adapter_index >= HPI_MAX_ADAPTERS
+ && phm->adapter_index != HPIMSGX_ALLADAPTERS) {
+ hpi_init_response(phr, phm->object, phm->function,
+ HPI_ERROR_BAD_ADAPTER_NUMBER);
+ return;
+ }
+
+ switch (phm->object) {
+ case HPI_OBJ_SUBSYSTEM:
+ subsys_message(phm, phr, h_owner);
+ break;
+
+ case HPI_OBJ_ADAPTER:
+ adapter_message(phm, phr, h_owner);
+ break;
+
+ case HPI_OBJ_MIXER:
+ mixer_message(phm, phr);
+ break;
+
+ case HPI_OBJ_OSTREAM:
+ outstream_message(phm, phr, h_owner);
+ break;
+
+ case HPI_OBJ_ISTREAM:
+ instream_message(phm, phr, h_owner);
+ break;
+
+ default:
+ hw_entry_point(phm, phr);
+ break;
+ }
+
+ if (logging_enabled)
+ HPI_DEBUG_RESPONSE(phr);
+
+ if (phr->error >= HPI_ERROR_DSP_COMMUNICATION) {
+ hpi_debug_level_set(HPI_DEBUG_LEVEL_ERROR);
+ logging_enabled = 0;
+ }
+}
+
+static void adapter_open(struct hpi_message *phm, struct hpi_response *phr)
+{
+ HPI_DEBUG_LOG(VERBOSE, "adapter_open\n");
+ memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index],
+ sizeof(rESP_HPI_ADAPTER_OPEN[0]));
+}
+
+static void adapter_close(struct hpi_message *phm, struct hpi_response *phr)
+{
+ HPI_DEBUG_LOG(VERBOSE, "adapter_close\n");
+ hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0);
+}
+
+static void mixer_open(struct hpi_message *phm, struct hpi_response *phr)
+{
+ memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index],
+ sizeof(rESP_HPI_MIXER_OPEN[0]));
+}
+
+static void mixer_close(struct hpi_message *phm, struct hpi_response *phr)
+{
+ hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0);
+}
+
+static void instream_open(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0);
+
+ hpios_msgxlock_lock(&msgx_lock);
+
+ if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag)
+ phr->error = HPI_ERROR_OBJ_ALREADY_OPEN;
+ else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index]
+ [phm->obj_index].h.error)
+ memcpy(phr,
+ &rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm->
+ obj_index],
+ sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));
+ else {
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 1;
+ hpios_msgxlock_unlock(&msgx_lock);
+
+ /* issue a reset */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_RESET);
+ hm.adapter_index = phm->adapter_index;
+ hm.obj_index = phm->obj_index;
+ hw_entry_point(&hm, &hr);
+
+ hpios_msgxlock_lock(&msgx_lock);
+ if (hr.error) {
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 0;
+ phr->error = hr.error;
+ } else {
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 1;
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = h_owner;
+ memcpy(phr,
+ &rESP_HPI_ISTREAM_OPEN[phm->adapter_index]
+ [phm->obj_index],
+ sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));
+ }
+ }
+ hpios_msgxlock_unlock(&msgx_lock);
+}
+
+static void instream_close(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0);
+
+ hpios_msgxlock_lock(&msgx_lock);
+ if (h_owner ==
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner) {
+ /* HPI_DEBUG_LOG(INFO,"closing adapter %d "
+ "instream %d owned by %p\n",
+ phm->wAdapterIndex, phm->wObjIndex, hOwner); */
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = NULL;
+ hpios_msgxlock_unlock(&msgx_lock);
+ /* issue a reset */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_RESET);
+ hm.adapter_index = phm->adapter_index;
+ hm.obj_index = phm->obj_index;
+ hw_entry_point(&hm, &hr);
+ hpios_msgxlock_lock(&msgx_lock);
+ if (hr.error) {
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = h_owner;
+ phr->error = hr.error;
+ } else {
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 0;
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = NULL;
+ }
+ } else {
+ HPI_DEBUG_LOG(WARNING,
+ "%p trying to close %d instream %d owned by %p\n",
+ h_owner, phm->adapter_index, phm->obj_index,
+ instream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner);
+ phr->error = HPI_ERROR_OBJ_NOT_OPEN;
+ }
+ hpios_msgxlock_unlock(&msgx_lock);
+}
+
+static void outstream_open(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0);
+
+ hpios_msgxlock_lock(&msgx_lock);
+
+ if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag)
+ phr->error = HPI_ERROR_OBJ_ALREADY_OPEN;
+ else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index]
+ [phm->obj_index].h.error)
+ memcpy(phr,
+ &rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm->
+ obj_index],
+ sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));
+ else {
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 1;
+ hpios_msgxlock_unlock(&msgx_lock);
+
+ /* issue a reset */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_RESET);
+ hm.adapter_index = phm->adapter_index;
+ hm.obj_index = phm->obj_index;
+ hw_entry_point(&hm, &hr);
+
+ hpios_msgxlock_lock(&msgx_lock);
+ if (hr.error) {
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 0;
+ phr->error = hr.error;
+ } else {
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 1;
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = h_owner;
+ memcpy(phr,
+ &rESP_HPI_OSTREAM_OPEN[phm->adapter_index]
+ [phm->obj_index],
+ sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));
+ }
+ }
+ hpios_msgxlock_unlock(&msgx_lock);
+}
+
+static void outstream_close(struct hpi_message *phm, struct hpi_response *phr,
+ void *h_owner)
+{
+
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_CLOSE, 0);
+
+ hpios_msgxlock_lock(&msgx_lock);
+
+ if (h_owner ==
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner) {
+ /* HPI_DEBUG_LOG(INFO,"closing adapter %d "
+ "outstream %d owned by %p\n",
+ phm->wAdapterIndex, phm->wObjIndex, hOwner); */
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = NULL;
+ hpios_msgxlock_unlock(&msgx_lock);
+ /* issue a reset */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_RESET);
+ hm.adapter_index = phm->adapter_index;
+ hm.obj_index = phm->obj_index;
+ hw_entry_point(&hm, &hr);
+ hpios_msgxlock_lock(&msgx_lock);
+ if (hr.error) {
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = h_owner;
+ phr->error = hr.error;
+ } else {
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].open_flag = 0;
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner = NULL;
+ }
+ } else {
+ HPI_DEBUG_LOG(WARNING,
+ "%p trying to close %d outstream %d owned by %p\n",
+ h_owner, phm->adapter_index, phm->obj_index,
+ outstream_user_open[phm->adapter_index][phm->
+ obj_index].h_owner);
+ phr->error = HPI_ERROR_OBJ_NOT_OPEN;
+ }
+ hpios_msgxlock_unlock(&msgx_lock);
+}
+
+static u16 adapter_prepare(u16 adapter)
+{
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ /* Open the adapter and streams */
+ u16 i;
+
+ /* call to HPI_ADAPTER_OPEN */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER,
+ HPI_ADAPTER_OPEN);
+ hm.adapter_index = adapter;
+ hw_entry_point(&hm, &hr);
+ memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr,
+ sizeof(rESP_HPI_ADAPTER_OPEN[0]));
+ if (hr.error)
+ return hr.error;
+
+ /* call to HPI_ADAPTER_GET_INFO */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER,
+ HPI_ADAPTER_GET_INFO);
+ hm.adapter_index = adapter;
+ hw_entry_point(&hm, &hr);
+ if (hr.error)
+ return hr.error;
+
+ aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams;
+ aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams;
+ aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type;
+
+ /* call to HPI_OSTREAM_OPEN */
+ for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) {
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_OPEN);
+ hm.adapter_index = adapter;
+ hm.obj_index = i;
+ hw_entry_point(&hm, &hr);
+ memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr,
+ sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));
+ outstream_user_open[adapter][i].open_flag = 0;
+ outstream_user_open[adapter][i].h_owner = NULL;
+ }
+
+ /* call to HPI_ISTREAM_OPEN */
+ for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) {
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_OPEN);
+ hm.adapter_index = adapter;
+ hm.obj_index = i;
+ hw_entry_point(&hm, &hr);
+ memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr,
+ sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));
+ instream_user_open[adapter][i].open_flag = 0;
+ instream_user_open[adapter][i].h_owner = NULL;
+ }
+
+ /* call to HPI_MIXER_OPEN */
+ hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN);
+ hm.adapter_index = adapter;
+ hw_entry_point(&hm, &hr);
+ memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr,
+ sizeof(rESP_HPI_MIXER_OPEN[0]));
+
+ return 0;
+}
+
+static void HPIMSGX__reset(u16 adapter_index)
+{
+ int i;
+ u16 adapter;
+ struct hpi_response hr;
+
+ if (adapter_index == HPIMSGX_ALLADAPTERS) {
+ for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) {
+
+ hpi_init_response(&hr, HPI_OBJ_ADAPTER,
+ HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER);
+ memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr,
+ sizeof(rESP_HPI_ADAPTER_OPEN[adapter]));
+
+ hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN,
+ HPI_ERROR_INVALID_OBJ);
+ memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr,
+ sizeof(rESP_HPI_MIXER_OPEN[adapter]));
+
+ for (i = 0; i < HPI_MAX_STREAMS; i++) {
+ hpi_init_response(&hr, HPI_OBJ_OSTREAM,
+ HPI_OSTREAM_OPEN,
+ HPI_ERROR_INVALID_OBJ);
+ memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i],
+ &hr,
+ sizeof(rESP_HPI_OSTREAM_OPEN[adapter]
+ [i]));
+ hpi_init_response(&hr, HPI_OBJ_ISTREAM,
+ HPI_ISTREAM_OPEN,
+ HPI_ERROR_INVALID_OBJ);
+ memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i],
+ &hr,
+ sizeof(rESP_HPI_ISTREAM_OPEN[adapter]
+ [i]));
+ }
+ }
+ } else if (adapter_index < HPI_MAX_ADAPTERS) {
+ rESP_HPI_ADAPTER_OPEN[adapter_index].h.error =
+ HPI_ERROR_BAD_ADAPTER;
+ rESP_HPI_MIXER_OPEN[adapter_index].h.error =
+ HPI_ERROR_INVALID_OBJ;
+ for (i = 0; i < HPI_MAX_STREAMS; i++) {
+ rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error =
+ HPI_ERROR_INVALID_OBJ;
+ rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error =
+ HPI_ERROR_INVALID_OBJ;
+ }
+ }
+}
+
+static u16 HPIMSGX__init(struct hpi_message *phm,
+ /* HPI_SUBSYS_CREATE_ADAPTER structure with */
+ /* resource list or NULL=find all */
+ struct hpi_response *phr
+ /* response from HPI_ADAPTER_GET_INFO */
+ )
+{
+ hpi_handler_func *entry_point_func;
+ struct hpi_response hr;
+
+ /* Init response here so we can pass in previous adapter list */
+ hpi_init_response(&hr, phm->object, phm->function,
+ HPI_ERROR_INVALID_OBJ);
+
+ entry_point_func =
+ hpi_lookup_entry_point_function(phm->u.s.resource.r.pci);
+
+ if (entry_point_func) {
+ HPI_DEBUG_MESSAGE(DEBUG, phm);
+ entry_point_func(phm, &hr);
+ } else {
+ phr->error = HPI_ERROR_PROCESSING_MESSAGE;
+ return phr->error;
+ }
+ if (hr.error == 0) {
+ /* the adapter was created successfully
+ save the mapping for future use */
+ hpi_entry_points[hr.u.s.adapter_index] = entry_point_func;
+ /* prepare adapter (pre-open streams etc.) */
+ HPI_DEBUG_LOG(DEBUG,
+ "HPI_SUBSYS_CREATE_ADAPTER successful,"
+ " preparing adapter\n");
+ adapter_prepare(hr.u.s.adapter_index);
+ }
+ memcpy(phr, &hr, hr.size);
+ return phr->error;
+}
+
+static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner)
+{
+ int i, adapter, adapter_limit;
+
+ if (!h_owner)
+ return;
+
+ if (adapter_index == HPIMSGX_ALLADAPTERS) {
+ adapter = 0;
+ adapter_limit = HPI_MAX_ADAPTERS;
+ } else {
+ adapter = adapter_index;
+ adapter_limit = adapter + 1;
+ }
+
+ for (; adapter < adapter_limit; adapter++) {
+ /* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */
+ for (i = 0; i < HPI_MAX_STREAMS; i++) {
+ if (h_owner ==
+ outstream_user_open[adapter][i].h_owner) {
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ HPI_DEBUG_LOG(DEBUG,
+ "Close adapter %d ostream %d\n",
+ adapter, i);
+
+ hpi_init_message_response(&hm, &hr,
+ HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET);
+ hm.adapter_index = (u16)adapter;
+ hm.obj_index = (u16)i;
+ hw_entry_point(&hm, &hr);
+
+ hm.function = HPI_OSTREAM_HOSTBUFFER_FREE;
+ hw_entry_point(&hm, &hr);
+
+ hm.function = HPI_OSTREAM_GROUP_RESET;
+ hw_entry_point(&hm, &hr);
+
+ outstream_user_open[adapter][i].open_flag = 0;
+ outstream_user_open[adapter][i].h_owner =
+ NULL;
+ }
+ if (h_owner == instream_user_open[adapter][i].h_owner) {
+ struct hpi_message hm;
+ struct hpi_response hr;
+
+ HPI_DEBUG_LOG(DEBUG,
+ "Close adapter %d istream %d\n",
+ adapter, i);
+
+ hpi_init_message_response(&hm, &hr,
+ HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET);
+ hm.adapter_index = (u16)adapter;
+ hm.obj_index = (u16)i;
+ hw_entry_point(&hm, &hr);
+
+ hm.function = HPI_ISTREAM_HOSTBUFFER_FREE;
+ hw_entry_point(&hm, &hr);
+
+ hm.function = HPI_ISTREAM_GROUP_RESET;
+ hw_entry_point(&hm, &hr);
+
+ instream_user_open[adapter][i].open_flag = 0;
+ instream_user_open[adapter][i].h_owner = NULL;
+ }
+ }
+ }
+}
Code Review / kvmfornfv.git / blobdiff