u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl) { struct slot *p_slot; u32 event_type; /* Power fault */ dbg("shpchp: Power fault interrupt received.\n"); p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) { /* * Power fault Cleared */ info("Power fault cleared on Slot(%s)\n", p_slot->name); p_slot->status = 0x00; event_type = INT_POWER_FAULT_CLEAR; } else { /* * Power fault */ info("Power fault on Slot(%s)\n", p_slot->name); event_type = INT_POWER_FAULT; /* set power fault status for this board */ p_slot->status = 0xFF; info("power fault bit %x set\n", hp_slot); } queue_interrupt_event(p_slot, event_type); return 1; }
u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl) { struct slot *p_slot; u32 event_type; /* Presence Change */ dbg("shpchp: Presence/Notify input change.\n"); p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); /* * Save the presence state */ p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); if (p_slot->presence_save) { /* * Card Present */ info("Card present on Slot(%s)\n", p_slot->name); event_type = INT_PRESENCE_ON; } else { /* * Not Present */ info("Card not present on Slot(%s)\n", p_slot->name); event_type = INT_PRESENCE_OFF; } queue_interrupt_event(p_slot, event_type); return 1; }
u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl) { struct slot *p_slot; u32 event_type; /* Attention Button Change */ dbg("shpchp: Attention button interrupt received.\n"); p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); /* * Button pressed - See if need to TAKE ACTION!!! */ info("Button pressed on Slot(%s)\n", p_slot->name); event_type = INT_BUTTON_PRESS; queue_interrupt_event(p_slot, event_type); return 0; }
u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id) { struct controller *ctrl = (struct controller *) inst_id; struct slot *p_slot; u8 getstatus; u32 event_type; /* Switch Change */ dbg("shpchp: Switch interrupt received.\n"); p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); dbg("%s: Card present %x Power status %x\n", __FUNCTION__, p_slot->presence_save, p_slot->pwr_save); if (getstatus) { /* * Switch opened */ info("Latch open on Slot(%s)\n", p_slot->name); event_type = INT_SWITCH_OPEN; if (p_slot->pwr_save && p_slot->presence_save) { event_type = INT_POWER_FAULT; err("Surprise Removal of card\n"); } } else { /* * Switch closed */ info("Latch close on Slot(%s)\n", p_slot->name); event_type = INT_SWITCH_CLOSE; } queue_interrupt_event(p_slot, event_type); return 1; }
u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl) { struct slot *p_slot; u8 getstatus; u32 event_type; /* Switch Change */ ctrl_dbg(ctrl, "Switch interrupt received\n"); p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save)); p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); ctrl_dbg(ctrl, "Card present %x Power status %x\n", p_slot->presence_save, p_slot->pwr_save); if (getstatus) { /* * Switch opened */ ctrl_info(ctrl, "Latch open on Slot(%s)\n", slot_name(p_slot)); event_type = INT_SWITCH_OPEN; if (p_slot->pwr_save && p_slot->presence_save) { event_type = INT_POWER_FAULT; ctrl_err(ctrl, "Surprise Removal of card\n"); } } else { /* * Switch closed */ ctrl_info(ctrl, "Latch close on Slot(%s)\n", slot_name(p_slot)); event_type = INT_SWITCH_CLOSE; } queue_interrupt_event(p_slot, event_type); return 1; }
/** * remove_board - Turns off slot and LEDs * @p_slot: target &slot */ static int remove_board(struct slot *p_slot) { struct controller *ctrl = p_slot->ctrl; u8 hp_slot; int rc; if (shpchp_unconfigure_device(p_slot)) return(1); hp_slot = p_slot->device - ctrl->slot_device_offset; p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); ctrl_dbg(ctrl, "%s: hp_slot = %d\n", __func__, hp_slot); /* Change status to shutdown */ if (p_slot->is_a_board) p_slot->status = 0x01; /* turn off slot, turn on Amber LED, turn off Green LED */ rc = p_slot->hpc_ops->slot_disable(p_slot); if (rc) { ctrl_err(ctrl, "%s: Issue of Slot Disable command failed\n", __func__); return rc; } rc = p_slot->hpc_ops->set_attention_status(p_slot, 0); if (rc) { ctrl_err(ctrl, "Issue of Set Attention command failed\n"); return rc; } p_slot->pwr_save = 0; p_slot->is_a_board = 0; return 0; }