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marcus.erl |
/* $Id: um_idi.c,v 1.14 2004/03/21 17:54:37 armin Exp $ */
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#include "platform.h"
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#include "di_defs.h"
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#include "pc.h"
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#include "dqueue.h"
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#include "adapter.h"
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#include "entity.h"
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#include "um_xdi.h"
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#include "um_idi.h"
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#include "debuglib.h"
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#include "divasync.h"
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#define DIVAS_MAX_XDI_ADAPTERS 64
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/* --------------------------------------------------------------------------
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IMPORTS
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-------------------------------------------------------------------------- */
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extern void diva_os_wakeup_read(void *os_context);
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extern void diva_os_wakeup_close(void *os_context);
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/* --------------------------------------------------------------------------
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LOCALS
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-------------------------------------------------------------------------- */
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static LIST_HEAD(adapter_q);
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static diva_os_spin_lock_t adapter_lock;
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static diva_um_idi_adapter_t *diva_um_idi_find_adapter(dword nr);
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static void cleanup_adapter(diva_um_idi_adapter_t * a);
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static void cleanup_entity(divas_um_idi_entity_t * e);
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static int diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a,
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diva_um_idi_adapter_features_t
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* features);
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static int process_idi_request(divas_um_idi_entity_t * e,
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const diva_um_idi_req_hdr_t * req);
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static int process_idi_rc(divas_um_idi_entity_t * e, byte rc);
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static int process_idi_ind(divas_um_idi_entity_t * e, byte ind);
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static int write_return_code(divas_um_idi_entity_t * e, byte rc);
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/* --------------------------------------------------------------------------
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MAIN
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-------------------------------------------------------------------------- */
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int diva_user_mode_idi_init(void)
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{
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diva_os_initialize_spin_lock(&adapter_lock, "adapter");
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return (0);
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}
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/* --------------------------------------------------------------------------
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Copy adapter features to user supplied buffer
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-------------------------------------------------------------------------- */
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static int
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diva_user_mode_idi_adapter_features(diva_um_idi_adapter_t * a,
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diva_um_idi_adapter_features_t *
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features)
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{
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IDI_SYNC_REQ sync_req;
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if ((a) && (a->d.request)) {
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features->type = a->d.type;
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features->features = a->d.features;
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features->channels = a->d.channels;
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memset(features->name, 0, sizeof(features->name));
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sync_req.GetName.Req = 0;
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sync_req.GetName.Rc = IDI_SYNC_REQ_GET_NAME;
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(*(a->d.request)) ((ENTITY *) & sync_req);
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strlcpy(features->name, sync_req.GetName.name,
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sizeof(features->name));
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sync_req.GetSerial.Req = 0;
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sync_req.GetSerial.Rc = IDI_SYNC_REQ_GET_SERIAL;
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sync_req.GetSerial.serial = 0;
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(*(a->d.request)) ((ENTITY *) & sync_req);
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features->serial_number = sync_req.GetSerial.serial;
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}
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return ((a) ? 0 : -1);
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}
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/* --------------------------------------------------------------------------
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REMOVE ADAPTER
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-------------------------------------------------------------------------- */
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void diva_user_mode_idi_remove_adapter(int adapter_nr)
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{
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struct list_head *tmp;
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diva_um_idi_adapter_t *a;
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list_for_each(tmp, &adapter_q) {
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a = list_entry(tmp, diva_um_idi_adapter_t, link);
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if (a->adapter_nr == adapter_nr) {
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list_del(tmp);
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cleanup_adapter(a);
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DBG_LOG(("DIDD: del adapter(%d)", a->adapter_nr));
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diva_os_free(0, a);
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break;
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}
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}
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}
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/* --------------------------------------------------------------------------
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CALLED ON DRIVER EXIT (UNLOAD)
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-------------------------------------------------------------------------- */
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void diva_user_mode_idi_finit(void)
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{
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struct list_head *tmp, *safe;
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diva_um_idi_adapter_t *a;
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list_for_each_safe(tmp, safe, &adapter_q) {
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a = list_entry(tmp, diva_um_idi_adapter_t, link);
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list_del(tmp);
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cleanup_adapter(a);
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DBG_LOG(("DIDD: del adapter(%d)", a->adapter_nr));
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diva_os_free(0, a);
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}
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diva_os_destroy_spin_lock(&adapter_lock, "adapter");
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}
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/* -------------------------------------------------------------------------
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CREATE AND INIT IDI ADAPTER
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------------------------------------------------------------------------- */
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int diva_user_mode_idi_create_adapter(const DESCRIPTOR * d, int adapter_nr)
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{
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diva_os_spin_lock_magic_t old_irql;
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diva_um_idi_adapter_t *a =
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(diva_um_idi_adapter_t *) diva_os_malloc(0,
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sizeof
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(diva_um_idi_adapter_t));
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if (!a) {
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return (-1);
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}
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memset(a, 0x00, sizeof(*a));
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INIT_LIST_HEAD(&a->entity_q);
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a->d = *d;
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a->adapter_nr = adapter_nr;
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DBG_LOG(("DIDD_ADD A(%d), type:%02x, features:%04x, channels:%d",
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adapter_nr, a->d.type, a->d.features, a->d.channels));
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diva_os_enter_spin_lock(&adapter_lock, &old_irql, "create_adapter");
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list_add_tail(&a->link, &adapter_q);
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diva_os_leave_spin_lock(&adapter_lock, &old_irql, "create_adapter");
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return (0);
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}
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/* ------------------------------------------------------------------------
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Find adapter by Adapter number
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------------------------------------------------------------------------ */
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static diva_um_idi_adapter_t *diva_um_idi_find_adapter(dword nr)
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{
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diva_um_idi_adapter_t *a = NULL;
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struct list_head *tmp;
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list_for_each(tmp, &adapter_q) {
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a = list_entry(tmp, diva_um_idi_adapter_t, link);
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DBG_TRC(("find_adapter: (%d)-(%d)", nr, a->adapter_nr));
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if (a->adapter_nr == (int)nr)
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break;
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a = NULL;
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}
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return(a);
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}
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/* ------------------------------------------------------------------------
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Cleanup this adapter and cleanup/delete all entities assigned
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to this adapter
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------------------------------------------------------------------------ */
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static void cleanup_adapter(diva_um_idi_adapter_t * a)
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{
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struct list_head *tmp, *safe;
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divas_um_idi_entity_t *e;
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list_for_each_safe(tmp, safe, &a->entity_q) {
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e = list_entry(tmp, divas_um_idi_entity_t, link);
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list_del(tmp);
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cleanup_entity(e);
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if (e->os_context) {
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diva_os_wakeup_read(e->os_context);
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diva_os_wakeup_close(e->os_context);
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}
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}
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memset(&a->d, 0x00, sizeof(DESCRIPTOR));
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}
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/* ------------------------------------------------------------------------
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Cleanup, but NOT delete this entity
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------------------------------------------------------------------------ */
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static void cleanup_entity(divas_um_idi_entity_t * e)
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{
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e->os_ref = NULL;
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e->status = 0;
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e->adapter = NULL;
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e->e.Id = 0;
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e->rc_count = 0;
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e->status |= DIVA_UM_IDI_REMOVED;
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e->status |= DIVA_UM_IDI_REMOVE_PENDING;
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diva_data_q_finit(&e->data);
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diva_data_q_finit(&e->rc);
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}
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/* ------------------------------------------------------------------------
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Create ENTITY, link it to the adapter and remove pointer to entity
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------------------------------------------------------------------------ */
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void *divas_um_idi_create_entity(dword adapter_nr, void *file)
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{
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divas_um_idi_entity_t *e;
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diva_um_idi_adapter_t *a;
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diva_os_spin_lock_magic_t old_irql;
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if ((e = (divas_um_idi_entity_t *) diva_os_malloc(0, sizeof(*e)))) {
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memset(e, 0x00, sizeof(*e));
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if (!
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(e->os_context =
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diva_os_malloc(0, diva_os_get_context_size()))) {
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DBG_LOG(("E(%08x) no memory for os context", e));
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diva_os_free(0, e);
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return NULL;
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}
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memset(e->os_context, 0x00, diva_os_get_context_size());
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if ((diva_data_q_init(&e->data, 2048 + 512, 16))) {
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diva_os_free(0, e->os_context);
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diva_os_free(0, e);
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return NULL;
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}
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if ((diva_data_q_init(&e->rc, sizeof(diva_um_idi_ind_hdr_t), 2))) {
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diva_data_q_finit(&e->data);
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diva_os_free(0, e->os_context);
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diva_os_free(0, e);
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return NULL;
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}
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diva_os_enter_spin_lock(&adapter_lock, &old_irql, "create_entity");
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/*
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Look for Adapter requested
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| 240 |
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*/
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| 241 |
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if (!(a = diva_um_idi_find_adapter(adapter_nr))) {
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/*
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| 243 |
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No adapter was found, or this adapter was removed
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| 244 |
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*/
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diva_os_leave_spin_lock(&adapter_lock, &old_irql, "create_entity");
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| 247 |
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DBG_LOG(("A: no adapter(%ld)", adapter_nr));
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| 249 |
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cleanup_entity(e);
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diva_os_free(0, e->os_context);
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diva_os_free(0, e);
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| 253 |
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return NULL;
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| 254 |
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}
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| 255 |
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| 256 |
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e->os_ref = file; /* link to os handle */
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| 257 |
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e->adapter = a; /* link to adapter */
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| 258 |
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| 259 |
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list_add_tail(&e->link, &a->entity_q); /* link from adapter */
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| 260 |
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| 261 |
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diva_os_leave_spin_lock(&adapter_lock, &old_irql, "create_entity");
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| 262 |
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| 263 |
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DBG_LOG(("A(%ld), create E(%08x)", adapter_nr, e));
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| 264 |
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}
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| 265 |
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| 266 |
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return (e);
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| 267 |
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}
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| 268 |
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| 269 |
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/* ------------------------------------------------------------------------
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| 270 |
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Unlink entity and free memory
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| 271 |
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------------------------------------------------------------------------ */
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| 272 |
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int divas_um_idi_delete_entity(int adapter_nr, void *entity)
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| 273 |
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{
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| 274 |
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divas_um_idi_entity_t *e;
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| 275 |
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diva_um_idi_adapter_t *a;
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| 276 |
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diva_os_spin_lock_magic_t old_irql;
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| 277 |
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| 278 |
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if (!(e = (divas_um_idi_entity_t *) entity))
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| 279 |
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return (-1);
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| 280 |
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| 281 |
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diva_os_enter_spin_lock(&adapter_lock, &old_irql, "delete_entity");
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| 282 |
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if ((a = e->adapter)) {
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| 283 |
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list_del(&e->link);
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| 284 |
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}
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| 285 |
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diva_os_leave_spin_lock(&adapter_lock, &old_irql, "delete_entity");
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| 286 |
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| 287 |
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diva_um_idi_stop_wdog(entity);
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| 288 |
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cleanup_entity(e);
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| 289 |
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diva_os_free(0, e->os_context);
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| 290 |
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memset(e, 0x00, sizeof(*e));
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| 291 |
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diva_os_free(0, e);
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| 292 |
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| 293 |
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DBG_LOG(("A(%d) remove E:%08x", adapter_nr, e));
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| 294 |
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| 295 |
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return (0);
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| 296 |
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}
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| 297 |
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|
| 298 |
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/* --------------------------------------------------------------------------
|
| 299 |
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Called by application to read data from IDI
|
| 300 |
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-------------------------------------------------------------------------- */
|
| 301 |
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int diva_um_idi_read(void *entity,
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| 302 |
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void *os_handle,
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| 303 |
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void *dst,
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| 304 |
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int max_length, divas_um_idi_copy_to_user_fn_t cp_fn)
|
| 305 |
|
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{
|
| 306 |
|
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divas_um_idi_entity_t *e;
|
| 307 |
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diva_um_idi_adapter_t *a;
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| 308 |
|
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const void *data;
|
| 309 |
|
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int length, ret = 0;
|
| 310 |
|
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diva_um_idi_data_queue_t *q;
|
| 311 |
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diva_os_spin_lock_magic_t old_irql;
|
| 312 |
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| 313 |
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diva_os_enter_spin_lock(&adapter_lock, &old_irql, "read");
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| 314 |
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| 315 |
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e = (divas_um_idi_entity_t *) entity;
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| 316 |
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if (!e || (!(a = e->adapter)) ||
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| 317 |
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(e->status & DIVA_UM_IDI_REMOVE_PENDING) ||
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| 318 |
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(e->status & DIVA_UM_IDI_REMOVED) ||
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| 319 |
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(a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) {
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| 320 |
|
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diva_os_leave_spin_lock(&adapter_lock, &old_irql, "read");
|
| 321 |
|
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DBG_ERR(("E(%08x) read failed - adapter removed", e))
|
| 322 |
|
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return (-1);
|
| 323 |
|
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}
|
| 324 |
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|
| 325 |
|
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DBG_TRC(("A(%d) E(%08x) read(%d)", a->adapter_nr, e, max_length));
|
| 326 |
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|
|
| 327 |
|
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/*
|
| 328 |
|
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Try to read return code first
|
| 329 |
|
|
*/
|
| 330 |
|
|
data = diva_data_q_get_segment4read(&e->rc);
|
| 331 |
|
|
q = &e->rc;
|
| 332 |
|
|
|
| 333 |
|
|
/*
|
| 334 |
|
|
No return codes available, read indications now
|
| 335 |
|
|
*/
|
| 336 |
|
|
if (!data) {
|
| 337 |
|
|
if (!(e->status & DIVA_UM_IDI_RC_PENDING)) {
|
| 338 |
|
|
DBG_TRC(("A(%d) E(%08x) read data", a->adapter_nr, e));
|
| 339 |
|
|
data = diva_data_q_get_segment4read(&e->data);
|
| 340 |
|
|
q = &e->data;
|
| 341 |
|
|
}
|
| 342 |
|
|
} else {
|
| 343 |
|
|
e->status &= ~DIVA_UM_IDI_RC_PENDING;
|
| 344 |
|
|
DBG_TRC(("A(%d) E(%08x) read rc", a->adapter_nr, e));
|
| 345 |
|
|
}
|
| 346 |
|
|
|
| 347 |
|
|
if (data) {
|
| 348 |
|
|
if ((length = diva_data_q_get_segment_length(q)) >
|
| 349 |
|
|
max_length) {
|
| 350 |
|
|
/*
|
| 351 |
|
|
Not enough space to read message
|
| 352 |
|
|
*/
|
| 353 |
|
|
DBG_ERR(("A: A(%d) E(%08x) read small buffer",
|
| 354 |
|
|
a->adapter_nr, e, ret));
|
| 355 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql,
|
| 356 |
|
|
"read");
|
| 357 |
|
|
return (-2);
|
| 358 |
|
|
}
|
| 359 |
|
|
/*
|
| 360 |
|
|
Copy it to user, this function does access ONLY locked an verified
|
| 361 |
|
|
memory, also we can access it witch spin lock held
|
| 362 |
|
|
*/
|
| 363 |
|
|
|
| 364 |
|
|
if ((ret = (*cp_fn) (os_handle, dst, data, length)) >= 0) {
|
| 365 |
|
|
/*
|
| 366 |
|
|
Acknowledge only if read was successfull
|
| 367 |
|
|
*/
|
| 368 |
|
|
diva_data_q_ack_segment4read(q);
|
| 369 |
|
|
}
|
| 370 |
|
|
}
|
| 371 |
|
|
|
| 372 |
|
|
|
| 373 |
|
|
DBG_TRC(("A(%d) E(%08x) read=%d", a->adapter_nr, e, ret));
|
| 374 |
|
|
|
| 375 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "read");
|
| 376 |
|
|
|
| 377 |
|
|
return (ret);
|
| 378 |
|
|
}
|
| 379 |
|
|
|
| 380 |
|
|
|
| 381 |
|
|
int diva_um_idi_write(void *entity,
|
| 382 |
|
|
void *os_handle,
|
| 383 |
|
|
const void *src,
|
| 384 |
|
|
int length, divas_um_idi_copy_from_user_fn_t cp_fn)
|
| 385 |
|
|
{
|
| 386 |
|
|
divas_um_idi_entity_t *e;
|
| 387 |
|
|
diva_um_idi_adapter_t *a;
|
| 388 |
|
|
diva_um_idi_req_hdr_t *req;
|
| 389 |
|
|
void *data;
|
| 390 |
|
|
int ret = 0;
|
| 391 |
|
|
diva_os_spin_lock_magic_t old_irql;
|
| 392 |
|
|
|
| 393 |
|
|
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "write");
|
| 394 |
|
|
|
| 395 |
|
|
e = (divas_um_idi_entity_t *) entity;
|
| 396 |
|
|
if (!e || (!(a = e->adapter)) ||
|
| 397 |
|
|
(e->status & DIVA_UM_IDI_REMOVE_PENDING) ||
|
| 398 |
|
|
(e->status & DIVA_UM_IDI_REMOVED) ||
|
| 399 |
|
|
(a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) {
|
| 400 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 401 |
|
|
DBG_ERR(("E(%08x) write failed - adapter removed", e))
|
| 402 |
|
|
return (-1);
|
| 403 |
|
|
}
|
| 404 |
|
|
|
| 405 |
|
|
DBG_TRC(("A(%d) E(%08x) write(%d)", a->adapter_nr, e, length));
|
| 406 |
|
|
|
| 407 |
|
|
if ((length < sizeof(*req)) || (length > sizeof(e->buffer))) {
|
| 408 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 409 |
|
|
return (-2);
|
| 410 |
|
|
}
|
| 411 |
|
|
|
| 412 |
|
|
if (e->status & DIVA_UM_IDI_RC_PENDING) {
|
| 413 |
|
|
DBG_ERR(("A: A(%d) E(%08x) rc pending", a->adapter_nr, e));
|
| 414 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 415 |
|
|
return (-1); /* should wait for RC code first */
|
| 416 |
|
|
}
|
| 417 |
|
|
|
| 418 |
|
|
/*
|
| 419 |
|
|
Copy function does access only locked verified memory,
|
| 420 |
|
|
also it can be called with spin lock held
|
| 421 |
|
|
*/
|
| 422 |
|
|
if ((ret = (*cp_fn) (os_handle, e->buffer, src, length)) < 0) {
|
| 423 |
|
|
DBG_TRC(("A: A(%d) E(%08x) write error=%d", a->adapter_nr,
|
| 424 |
|
|
e, ret));
|
| 425 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 426 |
|
|
return (ret);
|
| 427 |
|
|
}
|
| 428 |
|
|
|
| 429 |
|
|
req = (diva_um_idi_req_hdr_t *) & e->buffer[0];
|
| 430 |
|
|
|
| 431 |
|
|
switch (req->type) {
|
| 432 |
|
|
case DIVA_UM_IDI_GET_FEATURES:{
|
| 433 |
|
|
DBG_LOG(("A(%d) get_features", a->adapter_nr));
|
| 434 |
|
|
if (!(data =
|
| 435 |
|
|
diva_data_q_get_segment4write(&e->data))) {
|
| 436 |
|
|
DBG_ERR(("A(%d) get_features, no free buffer",
|
| 437 |
|
|
a->adapter_nr));
|
| 438 |
|
|
diva_os_leave_spin_lock(&adapter_lock,
|
| 439 |
|
|
&old_irql,
|
| 440 |
|
|
"write");
|
| 441 |
|
|
return (0);
|
| 442 |
|
|
}
|
| 443 |
|
|
diva_user_mode_idi_adapter_features(a, &(((diva_um_idi_ind_hdr_t
|
| 444 |
|
|
*) data)->hdr.features));
|
| 445 |
|
|
((diva_um_idi_ind_hdr_t *) data)->type =
|
| 446 |
|
|
DIVA_UM_IDI_IND_FEATURES;
|
| 447 |
|
|
((diva_um_idi_ind_hdr_t *) data)->data_length = 0;
|
| 448 |
|
|
diva_data_q_ack_segment4write(&e->data,
|
| 449 |
|
|
sizeof(diva_um_idi_ind_hdr_t));
|
| 450 |
|
|
|
| 451 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 452 |
|
|
|
| 453 |
|
|
diva_os_wakeup_read(e->os_context);
|
| 454 |
|
|
}
|
| 455 |
|
|
break;
|
| 456 |
|
|
|
| 457 |
|
|
case DIVA_UM_IDI_REQ:
|
| 458 |
|
|
case DIVA_UM_IDI_REQ_MAN:
|
| 459 |
|
|
case DIVA_UM_IDI_REQ_SIG:
|
| 460 |
|
|
case DIVA_UM_IDI_REQ_NET:
|
| 461 |
|
|
DBG_TRC(("A(%d) REQ(%02d)-(%02d)-(%08x)", a->adapter_nr,
|
| 462 |
|
|
req->Req, req->ReqCh,
|
| 463 |
|
|
req->type & DIVA_UM_IDI_REQ_TYPE_MASK));
|
| 464 |
|
|
switch (process_idi_request(e, req)) {
|
| 465 |
|
|
case -1:
|
| 466 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 467 |
|
|
return (-1);
|
| 468 |
|
|
case -2:
|
| 469 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 470 |
|
|
diva_os_wakeup_read(e->os_context);
|
| 471 |
|
|
break;
|
| 472 |
|
|
default:
|
| 473 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 474 |
|
|
break;
|
| 475 |
|
|
}
|
| 476 |
|
|
break;
|
| 477 |
|
|
|
| 478 |
|
|
default:
|
| 479 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "write");
|
| 480 |
|
|
return (-1);
|
| 481 |
|
|
}
|
| 482 |
|
|
|
| 483 |
|
|
DBG_TRC(("A(%d) E(%08x) write=%d", a->adapter_nr, e, ret));
|
| 484 |
|
|
|
| 485 |
|
|
return (ret);
|
| 486 |
|
|
}
|
| 487 |
|
|
|
| 488 |
|
|
/* --------------------------------------------------------------------------
|
| 489 |
|
|
CALLBACK FROM XDI
|
| 490 |
|
|
-------------------------------------------------------------------------- */
|
| 491 |
|
|
static void diva_um_idi_xdi_callback(ENTITY * entity)
|
| 492 |
|
|
{
|
| 493 |
|
|
divas_um_idi_entity_t *e = DIVAS_CONTAINING_RECORD(entity,
|
| 494 |
|
|
divas_um_idi_entity_t,
|
| 495 |
|
|
e);
|
| 496 |
|
|
diva_os_spin_lock_magic_t old_irql;
|
| 497 |
|
|
int call_wakeup = 0;
|
| 498 |
|
|
|
| 499 |
|
|
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "xdi_callback");
|
| 500 |
|
|
|
| 501 |
|
|
if (e->e.complete == 255) {
|
| 502 |
|
|
if (!(e->status & DIVA_UM_IDI_REMOVE_PENDING)) {
|
| 503 |
|
|
diva_um_idi_stop_wdog(e);
|
| 504 |
|
|
}
|
| 505 |
|
|
if ((call_wakeup = process_idi_rc(e, e->e.Rc))) {
|
| 506 |
|
|
if (e->rc_count) {
|
| 507 |
|
|
e->rc_count--;
|
| 508 |
|
|
}
|
| 509 |
|
|
}
|
| 510 |
|
|
e->e.Rc = 0;
|
| 511 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "xdi_callback");
|
| 512 |
|
|
|
| 513 |
|
|
if (call_wakeup) {
|
| 514 |
|
|
diva_os_wakeup_read(e->os_context);
|
| 515 |
|
|
diva_os_wakeup_close(e->os_context);
|
| 516 |
|
|
}
|
| 517 |
|
|
} else {
|
| 518 |
|
|
if (e->status & DIVA_UM_IDI_REMOVE_PENDING) {
|
| 519 |
|
|
e->e.RNum = 0;
|
| 520 |
|
|
e->e.RNR = 2;
|
| 521 |
|
|
} else {
|
| 522 |
|
|
call_wakeup = process_idi_ind(e, e->e.Ind);
|
| 523 |
|
|
}
|
| 524 |
|
|
e->e.Ind = 0;
|
| 525 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "xdi_callback");
|
| 526 |
|
|
if (call_wakeup) {
|
| 527 |
|
|
diva_os_wakeup_read(e->os_context);
|
| 528 |
|
|
}
|
| 529 |
|
|
}
|
| 530 |
|
|
}
|
| 531 |
|
|
|
| 532 |
|
|
static int process_idi_request(divas_um_idi_entity_t * e,
|
| 533 |
|
|
const diva_um_idi_req_hdr_t * req)
|
| 534 |
|
|
{
|
| 535 |
|
|
int assign = 0;
|
| 536 |
|
|
byte Req = (byte) req->Req;
|
| 537 |
|
|
dword type = req->type & DIVA_UM_IDI_REQ_TYPE_MASK;
|
| 538 |
|
|
|
| 539 |
|
|
if (!e->e.Id || !e->e.callback) { /* not assigned */
|
| 540 |
|
|
if (Req != ASSIGN) {
|
| 541 |
|
|
DBG_ERR(("A: A(%d) E(%08x) not assigned",
|
| 542 |
|
|
e->adapter->adapter_nr, e));
|
| 543 |
|
|
return (-1); /* NOT ASSIGNED */
|
| 544 |
|
|
} else {
|
| 545 |
|
|
switch (type) {
|
| 546 |
|
|
case DIVA_UM_IDI_REQ_TYPE_MAN:
|
| 547 |
|
|
e->e.Id = MAN_ID;
|
| 548 |
|
|
DBG_TRC(("A(%d) E(%08x) assign MAN",
|
| 549 |
|
|
e->adapter->adapter_nr, e));
|
| 550 |
|
|
break;
|
| 551 |
|
|
|
| 552 |
|
|
case DIVA_UM_IDI_REQ_TYPE_SIG:
|
| 553 |
|
|
e->e.Id = DSIG_ID;
|
| 554 |
|
|
DBG_TRC(("A(%d) E(%08x) assign SIG",
|
| 555 |
|
|
e->adapter->adapter_nr, e));
|
| 556 |
|
|
break;
|
| 557 |
|
|
|
| 558 |
|
|
case DIVA_UM_IDI_REQ_TYPE_NET:
|
| 559 |
|
|
e->e.Id = NL_ID;
|
| 560 |
|
|
DBG_TRC(("A(%d) E(%08x) assign NET",
|
| 561 |
|
|
e->adapter->adapter_nr, e));
|
| 562 |
|
|
break;
|
| 563 |
|
|
|
| 564 |
|
|
default:
|
| 565 |
|
|
DBG_ERR(("A: A(%d) E(%08x) unknown type=%08x",
|
| 566 |
|
|
e->adapter->adapter_nr, e,
|
| 567 |
|
|
type));
|
| 568 |
|
|
return (-1);
|
| 569 |
|
|
}
|
| 570 |
|
|
}
|
| 571 |
|
|
e->e.XNum = 1;
|
| 572 |
|
|
e->e.RNum = 1;
|
| 573 |
|
|
e->e.callback = diva_um_idi_xdi_callback;
|
| 574 |
|
|
e->e.X = &e->XData;
|
| 575 |
|
|
e->e.R = &e->RData;
|
| 576 |
|
|
assign = 1;
|
| 577 |
|
|
}
|
| 578 |
|
|
e->status |= DIVA_UM_IDI_RC_PENDING;
|
| 579 |
|
|
e->e.Req = Req;
|
| 580 |
|
|
e->e.ReqCh = (byte) req->ReqCh;
|
| 581 |
|
|
e->e.X->PLength = (word) req->data_length;
|
| 582 |
|
|
e->e.X->P = (byte *) & req[1]; /* Our buffer is safe */
|
| 583 |
|
|
|
| 584 |
|
|
DBG_TRC(("A(%d) E(%08x) request(%02x-%02x-%02x (%d))",
|
| 585 |
|
|
e->adapter->adapter_nr, e, e->e.Id, e->e.Req,
|
| 586 |
|
|
e->e.ReqCh, e->e.X->PLength));
|
| 587 |
|
|
|
| 588 |
|
|
e->rc_count++;
|
| 589 |
|
|
|
| 590 |
|
|
if (e->adapter && e->adapter->d.request) {
|
| 591 |
|
|
diva_um_idi_start_wdog(e);
|
| 592 |
|
|
(*(e->adapter->d.request)) (&e->e);
|
| 593 |
|
|
}
|
| 594 |
|
|
|
| 595 |
|
|
if (assign) {
|
| 596 |
|
|
if (e->e.Rc == OUT_OF_RESOURCES) {
|
| 597 |
|
|
/*
|
| 598 |
|
|
XDI has no entities more, call was not forwarded to the card,
|
| 599 |
|
|
no callback will be scheduled
|
| 600 |
|
|
*/
|
| 601 |
|
|
DBG_ERR(("A: A(%d) E(%08x) XDI out of entities",
|
| 602 |
|
|
e->adapter->adapter_nr, e));
|
| 603 |
|
|
|
| 604 |
|
|
e->e.Id = 0;
|
| 605 |
|
|
e->e.ReqCh = 0;
|
| 606 |
|
|
e->e.RcCh = 0;
|
| 607 |
|
|
e->e.Ind = 0;
|
| 608 |
|
|
e->e.IndCh = 0;
|
| 609 |
|
|
e->e.XNum = 0;
|
| 610 |
|
|
e->e.RNum = 0;
|
| 611 |
|
|
e->e.callback = NULL;
|
| 612 |
|
|
e->e.X = NULL;
|
| 613 |
|
|
e->e.R = NULL;
|
| 614 |
|
|
write_return_code(e, ASSIGN_RC | OUT_OF_RESOURCES);
|
| 615 |
|
|
return (-2);
|
| 616 |
|
|
} else {
|
| 617 |
|
|
e->status |= DIVA_UM_IDI_ASSIGN_PENDING;
|
| 618 |
|
|
}
|
| 619 |
|
|
}
|
| 620 |
|
|
|
| 621 |
|
|
return (0);
|
| 622 |
|
|
}
|
| 623 |
|
|
|
| 624 |
|
|
static int process_idi_rc(divas_um_idi_entity_t * e, byte rc)
|
| 625 |
|
|
{
|
| 626 |
|
|
DBG_TRC(("A(%d) E(%08x) rc(%02x-%02x-%02x)",
|
| 627 |
|
|
e->adapter->adapter_nr, e, e->e.Id, rc, e->e.RcCh));
|
| 628 |
|
|
|
| 629 |
|
|
if (e->status & DIVA_UM_IDI_ASSIGN_PENDING) {
|
| 630 |
|
|
e->status &= ~DIVA_UM_IDI_ASSIGN_PENDING;
|
| 631 |
|
|
if (rc != ASSIGN_OK) {
|
| 632 |
|
|
DBG_ERR(("A: A(%d) E(%08x) ASSIGN failed",
|
| 633 |
|
|
e->adapter->adapter_nr, e));
|
| 634 |
|
|
e->e.callback = NULL;
|
| 635 |
|
|
e->e.Id = 0;
|
| 636 |
|
|
e->e.Req = 0;
|
| 637 |
|
|
e->e.ReqCh = 0;
|
| 638 |
|
|
e->e.Rc = 0;
|
| 639 |
|
|
e->e.RcCh = 0;
|
| 640 |
|
|
e->e.Ind = 0;
|
| 641 |
|
|
e->e.IndCh = 0;
|
| 642 |
|
|
e->e.X = NULL;
|
| 643 |
|
|
e->e.R = NULL;
|
| 644 |
|
|
e->e.XNum = 0;
|
| 645 |
|
|
e->e.RNum = 0;
|
| 646 |
|
|
}
|
| 647 |
|
|
}
|
| 648 |
|
|
if ((e->e.Req == REMOVE) && e->e.Id && (rc == 0xff)) {
|
| 649 |
|
|
DBG_ERR(("A: A(%d) E(%08x) discard OK in REMOVE",
|
| 650 |
|
|
e->adapter->adapter_nr, e));
|
| 651 |
|
|
return (0); /* let us do it in the driver */
|
| 652 |
|
|
}
|
| 653 |
|
|
if ((e->e.Req == REMOVE) && (!e->e.Id)) { /* REMOVE COMPLETE */
|
| 654 |
|
|
e->e.callback = NULL;
|
| 655 |
|
|
e->e.Id = 0;
|
| 656 |
|
|
e->e.Req = 0;
|
| 657 |
|
|
e->e.ReqCh = 0;
|
| 658 |
|
|
e->e.Rc = 0;
|
| 659 |
|
|
e->e.RcCh = 0;
|
| 660 |
|
|
e->e.Ind = 0;
|
| 661 |
|
|
e->e.IndCh = 0;
|
| 662 |
|
|
e->e.X = NULL;
|
| 663 |
|
|
e->e.R = NULL;
|
| 664 |
|
|
e->e.XNum = 0;
|
| 665 |
|
|
e->e.RNum = 0;
|
| 666 |
|
|
e->rc_count = 0;
|
| 667 |
|
|
}
|
| 668 |
|
|
if ((e->e.Req == REMOVE) && (rc != 0xff)) { /* REMOVE FAILED */
|
| 669 |
|
|
DBG_ERR(("A: A(%d) E(%08x) REMOVE FAILED",
|
| 670 |
|
|
e->adapter->adapter_nr, e));
|
| 671 |
|
|
}
|
| 672 |
|
|
write_return_code(e, rc);
|
| 673 |
|
|
|
| 674 |
|
|
return (1);
|
| 675 |
|
|
}
|
| 676 |
|
|
|
| 677 |
|
|
static int process_idi_ind(divas_um_idi_entity_t * e, byte ind)
|
| 678 |
|
|
{
|
| 679 |
|
|
int do_wakeup = 0;
|
| 680 |
|
|
|
| 681 |
|
|
if (e->e.complete != 0x02) {
|
| 682 |
|
|
diva_um_idi_ind_hdr_t *pind =
|
| 683 |
|
|
(diva_um_idi_ind_hdr_t *)
|
| 684 |
|
|
diva_data_q_get_segment4write(&e->data);
|
| 685 |
|
|
if (pind) {
|
| 686 |
|
|
e->e.RNum = 1;
|
| 687 |
|
|
e->e.R->P = (byte *) & pind[1];
|
| 688 |
|
|
e->e.R->PLength =
|
| 689 |
|
|
(word) (diva_data_q_get_max_length(&e->data) -
|
| 690 |
|
|
sizeof(*pind));
|
| 691 |
|
|
DBG_TRC(("A(%d) E(%08x) ind_1(%02x-%02x-%02x)-[%d-%d]",
|
| 692 |
|
|
e->adapter->adapter_nr, e, e->e.Id, ind,
|
| 693 |
|
|
e->e.IndCh, e->e.RLength,
|
| 694 |
|
|
e->e.R->PLength));
|
| 695 |
|
|
|
| 696 |
|
|
} else {
|
| 697 |
|
|
DBG_TRC(("A(%d) E(%08x) ind(%02x-%02x-%02x)-RNR",
|
| 698 |
|
|
e->adapter->adapter_nr, e, e->e.Id, ind,
|
| 699 |
|
|
e->e.IndCh));
|
| 700 |
|
|
e->e.RNum = 0;
|
| 701 |
|
|
e->e.RNR = 1;
|
| 702 |
|
|
do_wakeup = 1;
|
| 703 |
|
|
}
|
| 704 |
|
|
} else {
|
| 705 |
|
|
diva_um_idi_ind_hdr_t *pind =
|
| 706 |
|
|
(diva_um_idi_ind_hdr_t *) (e->e.R->P);
|
| 707 |
|
|
|
| 708 |
|
|
DBG_TRC(("A(%d) E(%08x) ind(%02x-%02x-%02x)-[%d]",
|
| 709 |
|
|
e->adapter->adapter_nr, e, e->e.Id, ind,
|
| 710 |
|
|
e->e.IndCh, e->e.R->PLength));
|
| 711 |
|
|
|
| 712 |
|
|
pind--;
|
| 713 |
|
|
pind->type = DIVA_UM_IDI_IND;
|
| 714 |
|
|
pind->hdr.ind.Ind = ind;
|
| 715 |
|
|
pind->hdr.ind.IndCh = e->e.IndCh;
|
| 716 |
|
|
pind->data_length = e->e.R->PLength;
|
| 717 |
|
|
diva_data_q_ack_segment4write(&e->data,
|
| 718 |
|
|
(int) (sizeof(*pind) +
|
| 719 |
|
|
e->e.R->PLength));
|
| 720 |
|
|
do_wakeup = 1;
|
| 721 |
|
|
}
|
| 722 |
|
|
|
| 723 |
|
|
if ((e->status & DIVA_UM_IDI_RC_PENDING) && !e->rc.count) {
|
| 724 |
|
|
do_wakeup = 0;
|
| 725 |
|
|
}
|
| 726 |
|
|
|
| 727 |
|
|
return (do_wakeup);
|
| 728 |
|
|
}
|
| 729 |
|
|
|
| 730 |
|
|
/* --------------------------------------------------------------------------
|
| 731 |
|
|
Write return code to the return code queue of entity
|
| 732 |
|
|
-------------------------------------------------------------------------- */
|
| 733 |
|
|
static int write_return_code(divas_um_idi_entity_t * e, byte rc)
|
| 734 |
|
|
{
|
| 735 |
|
|
diva_um_idi_ind_hdr_t *prc;
|
| 736 |
|
|
|
| 737 |
|
|
if (!(prc =
|
| 738 |
|
|
(diva_um_idi_ind_hdr_t *) diva_data_q_get_segment4write(&e->rc)))
|
| 739 |
|
|
{
|
| 740 |
|
|
DBG_ERR(("A: A(%d) E(%08x) rc(%02x) lost",
|
| 741 |
|
|
e->adapter->adapter_nr, e, rc));
|
| 742 |
|
|
e->status &= ~DIVA_UM_IDI_RC_PENDING;
|
| 743 |
|
|
return (-1);
|
| 744 |
|
|
}
|
| 745 |
|
|
|
| 746 |
|
|
prc->type = DIVA_UM_IDI_IND_RC;
|
| 747 |
|
|
prc->hdr.rc.Rc = rc;
|
| 748 |
|
|
prc->hdr.rc.RcCh = e->e.RcCh;
|
| 749 |
|
|
prc->data_length = 0;
|
| 750 |
|
|
diva_data_q_ack_segment4write(&e->rc, sizeof(*prc));
|
| 751 |
|
|
|
| 752 |
|
|
return (0);
|
| 753 |
|
|
}
|
| 754 |
|
|
|
| 755 |
|
|
/* --------------------------------------------------------------------------
|
| 756 |
|
|
Return amount of entries that can be bead from this entity or
|
| 757 |
|
|
-1 if adapter was removed
|
| 758 |
|
|
-------------------------------------------------------------------------- */
|
| 759 |
|
|
int diva_user_mode_idi_ind_ready(void *entity, void *os_handle)
|
| 760 |
|
|
{
|
| 761 |
|
|
divas_um_idi_entity_t *e;
|
| 762 |
|
|
diva_um_idi_adapter_t *a;
|
| 763 |
|
|
diva_os_spin_lock_magic_t old_irql;
|
| 764 |
|
|
int ret;
|
| 765 |
|
|
|
| 766 |
|
|
if (!entity)
|
| 767 |
|
|
return (-1);
|
| 768 |
|
|
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "ind_ready");
|
| 769 |
|
|
e = (divas_um_idi_entity_t *) entity;
|
| 770 |
|
|
a = e->adapter;
|
| 771 |
|
|
|
| 772 |
|
|
if ((!a) || (a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) {
|
| 773 |
|
|
/*
|
| 774 |
|
|
Adapter was unloaded
|
| 775 |
|
|
*/
|
| 776 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "ind_ready");
|
| 777 |
|
|
return (-1); /* adapter was removed */
|
| 778 |
|
|
}
|
| 779 |
|
|
if (e->status & DIVA_UM_IDI_REMOVED) {
|
| 780 |
|
|
/*
|
| 781 |
|
|
entity was removed as result of adapter removal
|
| 782 |
|
|
user should assign this entity again
|
| 783 |
|
|
*/
|
| 784 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "ind_ready");
|
| 785 |
|
|
return (-1);
|
| 786 |
|
|
}
|
| 787 |
|
|
|
| 788 |
|
|
ret = e->rc.count + e->data.count;
|
| 789 |
|
|
|
| 790 |
|
|
if ((e->status & DIVA_UM_IDI_RC_PENDING) && !e->rc.count) {
|
| 791 |
|
|
ret = 0;
|
| 792 |
|
|
}
|
| 793 |
|
|
|
| 794 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "ind_ready");
|
| 795 |
|
|
|
| 796 |
|
|
return (ret);
|
| 797 |
|
|
}
|
| 798 |
|
|
|
| 799 |
|
|
void *diva_um_id_get_os_context(void *entity)
|
| 800 |
|
|
{
|
| 801 |
|
|
return (((divas_um_idi_entity_t *) entity)->os_context);
|
| 802 |
|
|
}
|
| 803 |
|
|
|
| 804 |
|
|
int divas_um_idi_entity_assigned(void *entity)
|
| 805 |
|
|
{
|
| 806 |
|
|
divas_um_idi_entity_t *e;
|
| 807 |
|
|
diva_um_idi_adapter_t *a;
|
| 808 |
|
|
int ret;
|
| 809 |
|
|
diva_os_spin_lock_magic_t old_irql;
|
| 810 |
|
|
|
| 811 |
|
|
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "assigned?");
|
| 812 |
|
|
|
| 813 |
|
|
|
| 814 |
|
|
e = (divas_um_idi_entity_t *) entity;
|
| 815 |
|
|
if (!e || (!(a = e->adapter)) ||
|
| 816 |
|
|
(e->status & DIVA_UM_IDI_REMOVED) ||
|
| 817 |
|
|
(a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) {
|
| 818 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "assigned?");
|
| 819 |
|
|
return (0);
|
| 820 |
|
|
}
|
| 821 |
|
|
|
| 822 |
|
|
e->status |= DIVA_UM_IDI_REMOVE_PENDING;
|
| 823 |
|
|
|
| 824 |
|
|
ret = (e->e.Id || e->rc_count
|
| 825 |
|
|
|| (e->status & DIVA_UM_IDI_ASSIGN_PENDING));
|
| 826 |
|
|
|
| 827 |
|
|
DBG_TRC(("Id:%02x, rc_count:%d, status:%08x", e->e.Id, e->rc_count,
|
| 828 |
|
|
e->status))
|
| 829 |
|
|
|
| 830 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "assigned?");
|
| 831 |
|
|
|
| 832 |
|
|
return (ret);
|
| 833 |
|
|
}
|
| 834 |
|
|
|
| 835 |
|
|
int divas_um_idi_entity_start_remove(void *entity)
|
| 836 |
|
|
{
|
| 837 |
|
|
divas_um_idi_entity_t *e;
|
| 838 |
|
|
diva_um_idi_adapter_t *a;
|
| 839 |
|
|
diva_os_spin_lock_magic_t old_irql;
|
| 840 |
|
|
|
| 841 |
|
|
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "start_remove");
|
| 842 |
|
|
|
| 843 |
|
|
e = (divas_um_idi_entity_t *) entity;
|
| 844 |
|
|
if (!e || (!(a = e->adapter)) ||
|
| 845 |
|
|
(e->status & DIVA_UM_IDI_REMOVED) ||
|
| 846 |
|
|
(a->status & DIVA_UM_IDI_ADAPTER_REMOVED)) {
|
| 847 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove");
|
| 848 |
|
|
return (0);
|
| 849 |
|
|
}
|
| 850 |
|
|
|
| 851 |
|
|
if (e->rc_count) {
|
| 852 |
|
|
/*
|
| 853 |
|
|
Entity BUSY
|
| 854 |
|
|
*/
|
| 855 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove");
|
| 856 |
|
|
return (1);
|
| 857 |
|
|
}
|
| 858 |
|
|
|
| 859 |
|
|
if (!e->e.Id) {
|
| 860 |
|
|
/*
|
| 861 |
|
|
Remove request was already pending, and arrived now
|
| 862 |
|
|
*/
|
| 863 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove");
|
| 864 |
|
|
return (0); /* REMOVE was pending */
|
| 865 |
|
|
}
|
| 866 |
|
|
|
| 867 |
|
|
/*
|
| 868 |
|
|
Now send remove request
|
| 869 |
|
|
*/
|
| 870 |
|
|
e->e.Req = REMOVE;
|
| 871 |
|
|
e->e.ReqCh = 0;
|
| 872 |
|
|
|
| 873 |
|
|
e->rc_count++;
|
| 874 |
|
|
|
| 875 |
|
|
DBG_TRC(("A(%d) E(%08x) request(%02x-%02x-%02x (%d))",
|
| 876 |
|
|
e->adapter->adapter_nr, e, e->e.Id, e->e.Req,
|
| 877 |
|
|
e->e.ReqCh, e->e.X->PLength));
|
| 878 |
|
|
|
| 879 |
|
|
if (a->d.request)
|
| 880 |
|
|
(*(a->d.request)) (&e->e);
|
| 881 |
|
|
|
| 882 |
|
|
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "start_remove");
|
| 883 |
|
|
|
| 884 |
|
|
return (0);
|
| 885 |
|
|
}
|
