[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Minios-devel] [UNIKRAFT PATCH 16/17] plat/xen: Add IRQ subsystem initialization function
Introducing ukplat_irq_init function for IRQ subsystem initialization. The IRQ subsystem might require memory allocations for shared IRQ handling in which case the allocator must be specified on init. Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx> --- include/uk/plat/irq.h | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++ plat/xen/events.c | 8 ++++++++ 2 files changed, 62 insertions(+) create mode 100644 include/uk/plat/irq.h diff --git a/include/uk/plat/irq.h b/include/uk/plat/irq.h new file mode 100644 index 0000000..b4e6375 --- /dev/null +++ b/include/uk/plat/irq.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Authors: Costin Lupu <costin.lupu@xxxxxxxxx> + * + * Copyright (c) 2018, NEC Europe Ltd., NEC Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY. + */ +#ifndef __UKPLAT_IRQ_H__ +#define __UKPLAT_IRQ_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +struct uk_alloc; + +/** + * Initializes platform IRQ subsystem + * @param a The allocator to be used for internal memory allocations + * @return initialization status + */ +int ukplat_irq_init(struct uk_alloc *a); + +#ifdef __cplusplus +} +#endif + +#endif /* __UKPLAT_IRQ_H__ */ diff --git a/plat/xen/events.c b/plat/xen/events.c index 9396747..1709b90 100644 --- a/plat/xen/events.c +++ b/plat/xen/events.c @@ -327,3 +327,11 @@ inline void clear_evtchn(uint32_t port) ukarch_clr_bit_sync(port, &s->evtchn_pending[0]); } + +struct uk_alloc; + +int ukplat_irq_init(struct uk_alloc *a __unused) +{ + /* Nothing for now */ + return 0; +} -- 2.1.4 _______________________________________________ Minios-devel mailing list Minios-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/minios-devel
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