| // Copyright 2016 The Fuchsia Authors |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #include <object/virtual_interrupt_dispatcher.h> |
| |
| #include <kernel/auto_lock.h> |
| #include <dev/interrupt.h> |
| #include <zircon/rights.h> |
| #include <fbl/alloc_checker.h> |
| #include <fbl/auto_lock.h> |
| #include <fbl/mutex.h> |
| #include <platform.h> |
| |
| zx_status_t VirtualInterruptDispatcher::Create(fbl::RefPtr<Dispatcher>* dispatcher, |
| zx_rights_t* rights, |
| uint32_t options) { |
| |
| if (options != ZX_INTERRUPT_VIRTUAL) |
| return ZX_ERR_INVALID_ARGS; |
| |
| // Attempt to construct the dispatcher. |
| fbl::AllocChecker ac; |
| VirtualInterruptDispatcher* disp = new (&ac) VirtualInterruptDispatcher(); |
| if (!ac.check()) |
| return ZX_ERR_NO_MEMORY; |
| |
| // Hold a ref while we check to see if someone else owns this vector or not. |
| // If things go wrong, this ref will be released and the IED will get |
| // cleaned up automatically. |
| auto disp_ref = fbl::AdoptRef<Dispatcher>(disp); |
| |
| disp->set_flags(INTERRUPT_VIRTUAL); |
| |
| // Transfer control of the new dispatcher to the creator and we are done. |
| *rights = default_rights(); |
| *dispatcher = ktl::move(disp_ref); |
| |
| return ZX_OK; |
| } |
| |
| //void VirtualInterruptDispatcher::IrqHandler(void* ctx) { } |
| |
| void VirtualInterruptDispatcher::MaskInterrupt() { } |
| |
| void VirtualInterruptDispatcher::UnmaskInterrupt() { } |
| |
| void VirtualInterruptDispatcher::UnregisterInterruptHandler() { } |