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author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/include/xen/event_channel.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/include/xen/event_channel.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/xen/event_channel.h | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/qemu/roms/ipxe/src/include/xen/event_channel.h b/qemu/roms/ipxe/src/include/xen/event_channel.h deleted file mode 100644 index 356e946d7..000000000 --- a/qemu/roms/ipxe/src/include/xen/event_channel.h +++ /dev/null @@ -1,383 +0,0 @@ -/****************************************************************************** - * event_channel.h - * - * Event channels between domains. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Copyright (c) 2003-2004, K A Fraser. - */ - -#ifndef __XEN_PUBLIC_EVENT_CHANNEL_H__ -#define __XEN_PUBLIC_EVENT_CHANNEL_H__ - -FILE_LICENCE ( MIT ); - -#include "xen.h" - -/* - * `incontents 150 evtchn Event Channels - * - * Event channels are the basic primitive provided by Xen for event - * notifications. An event is the Xen equivalent of a hardware - * interrupt. They essentially store one bit of information, the event - * of interest is signalled by transitioning this bit from 0 to 1. - * - * Notifications are received by a guest via an upcall from Xen, - * indicating when an event arrives (setting the bit). Further - * notifications are masked until the bit is cleared again (therefore, - * guests must check the value of the bit after re-enabling event - * delivery to ensure no missed notifications). - * - * Event notifications can be masked by setting a flag; this is - * equivalent to disabling interrupts and can be used to ensure - * atomicity of certain operations in the guest kernel. - * - * Event channels are represented by the evtchn_* fields in - * struct shared_info and struct vcpu_info. - */ - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_event_channel_op(enum event_channel_op cmd, void *args) - * ` - * @cmd == EVTCHNOP_* (event-channel operation). - * @args == struct evtchn_* Operation-specific extra arguments (NULL if none). - */ - -/* ` enum event_channel_op { // EVTCHNOP_* => struct evtchn_* */ -#define EVTCHNOP_bind_interdomain 0 -#define EVTCHNOP_bind_virq 1 -#define EVTCHNOP_bind_pirq 2 -#define EVTCHNOP_close 3 -#define EVTCHNOP_send 4 -#define EVTCHNOP_status 5 -#define EVTCHNOP_alloc_unbound 6 -#define EVTCHNOP_bind_ipi 7 -#define EVTCHNOP_bind_vcpu 8 -#define EVTCHNOP_unmask 9 -#define EVTCHNOP_reset 10 -#define EVTCHNOP_init_control 11 -#define EVTCHNOP_expand_array 12 -#define EVTCHNOP_set_priority 13 -/* ` } */ - -typedef uint32_t evtchn_port_t; -DEFINE_XEN_GUEST_HANDLE(evtchn_port_t); - -/* - * EVTCHNOP_alloc_unbound: Allocate a port in domain <dom> and mark as - * accepting interdomain bindings from domain <remote_dom>. A fresh port - * is allocated in <dom> and returned as <port>. - * NOTES: - * 1. If the caller is unprivileged then <dom> must be DOMID_SELF. - * 2. <rdom> may be DOMID_SELF, allowing loopback connections. - */ -struct evtchn_alloc_unbound { - /* IN parameters */ - domid_t dom, remote_dom; - /* OUT parameters */ - evtchn_port_t port; -}; -typedef struct evtchn_alloc_unbound evtchn_alloc_unbound_t; - -/* - * EVTCHNOP_bind_interdomain: Construct an interdomain event channel between - * the calling domain and <remote_dom>. <remote_dom,remote_port> must identify - * a port that is unbound and marked as accepting bindings from the calling - * domain. A fresh port is allocated in the calling domain and returned as - * <local_port>. - * - * In case the peer domain has already tried to set our event channel - * pending, before it was bound, EVTCHNOP_bind_interdomain always sets - * the local event channel pending. - * - * The usual pattern of use, in the guest's upcall (or subsequent - * handler) is as follows: (Re-enable the event channel for subsequent - * signalling and then) check for the existence of whatever condition - * is being waited for by other means, and take whatever action is - * needed (if any). - * - * NOTES: - * 1. <remote_dom> may be DOMID_SELF, allowing loopback connections. - */ -struct evtchn_bind_interdomain { - /* IN parameters. */ - domid_t remote_dom; - evtchn_port_t remote_port; - /* OUT parameters. */ - evtchn_port_t local_port; -}; -typedef struct evtchn_bind_interdomain evtchn_bind_interdomain_t; - -/* - * EVTCHNOP_bind_virq: Bind a local event channel to VIRQ <irq> on specified - * vcpu. - * NOTES: - * 1. Virtual IRQs are classified as per-vcpu or global. See the VIRQ list - * in xen.h for the classification of each VIRQ. - * 2. Global VIRQs must be allocated on VCPU0 but can subsequently be - * re-bound via EVTCHNOP_bind_vcpu. - * 3. Per-vcpu VIRQs may be bound to at most one event channel per vcpu. - * The allocated event channel is bound to the specified vcpu and the - * binding cannot be changed. - */ -struct evtchn_bind_virq { - /* IN parameters. */ - uint32_t virq; /* enum virq */ - uint32_t vcpu; - /* OUT parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_bind_virq evtchn_bind_virq_t; - -/* - * EVTCHNOP_bind_pirq: Bind a local event channel to a real IRQ (PIRQ <irq>). - * NOTES: - * 1. A physical IRQ may be bound to at most one event channel per domain. - * 2. Only a sufficiently-privileged domain may bind to a physical IRQ. - */ -struct evtchn_bind_pirq { - /* IN parameters. */ - uint32_t pirq; -#define BIND_PIRQ__WILL_SHARE 1 - uint32_t flags; /* BIND_PIRQ__* */ - /* OUT parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_bind_pirq evtchn_bind_pirq_t; - -/* - * EVTCHNOP_bind_ipi: Bind a local event channel to receive events. - * NOTES: - * 1. The allocated event channel is bound to the specified vcpu. The binding - * may not be changed. - */ -struct evtchn_bind_ipi { - uint32_t vcpu; - /* OUT parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_bind_ipi evtchn_bind_ipi_t; - -/* - * EVTCHNOP_close: Close a local event channel <port>. If the channel is - * interdomain then the remote end is placed in the unbound state - * (EVTCHNSTAT_unbound), awaiting a new connection. - */ -struct evtchn_close { - /* IN parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_close evtchn_close_t; - -/* - * EVTCHNOP_send: Send an event to the remote end of the channel whose local - * endpoint is <port>. - */ -struct evtchn_send { - /* IN parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_send evtchn_send_t; - -/* - * EVTCHNOP_status: Get the current status of the communication channel which - * has an endpoint at <dom, port>. - * NOTES: - * 1. <dom> may be specified as DOMID_SELF. - * 2. Only a sufficiently-privileged domain may obtain the status of an event - * channel for which <dom> is not DOMID_SELF. - */ -struct evtchn_status { - /* IN parameters */ - domid_t dom; - evtchn_port_t port; - /* OUT parameters */ -#define EVTCHNSTAT_closed 0 /* Channel is not in use. */ -#define EVTCHNSTAT_unbound 1 /* Channel is waiting interdom connection.*/ -#define EVTCHNSTAT_interdomain 2 /* Channel is connected to remote domain. */ -#define EVTCHNSTAT_pirq 3 /* Channel is bound to a phys IRQ line. */ -#define EVTCHNSTAT_virq 4 /* Channel is bound to a virtual IRQ line */ -#define EVTCHNSTAT_ipi 5 /* Channel is bound to a virtual IPI line */ - uint32_t status; - uint32_t vcpu; /* VCPU to which this channel is bound. */ - union { - struct { - domid_t dom; - } unbound; /* EVTCHNSTAT_unbound */ - struct { - domid_t dom; - evtchn_port_t port; - } interdomain; /* EVTCHNSTAT_interdomain */ - uint32_t pirq; /* EVTCHNSTAT_pirq */ - uint32_t virq; /* EVTCHNSTAT_virq */ - } u; -}; -typedef struct evtchn_status evtchn_status_t; - -/* - * EVTCHNOP_bind_vcpu: Specify which vcpu a channel should notify when an - * event is pending. - * NOTES: - * 1. IPI-bound channels always notify the vcpu specified at bind time. - * This binding cannot be changed. - * 2. Per-VCPU VIRQ channels always notify the vcpu specified at bind time. - * This binding cannot be changed. - * 3. All other channels notify vcpu0 by default. This default is set when - * the channel is allocated (a port that is freed and subsequently reused - * has its binding reset to vcpu0). - */ -struct evtchn_bind_vcpu { - /* IN parameters. */ - evtchn_port_t port; - uint32_t vcpu; -}; -typedef struct evtchn_bind_vcpu evtchn_bind_vcpu_t; - -/* - * EVTCHNOP_unmask: Unmask the specified local event-channel port and deliver - * a notification to the appropriate VCPU if an event is pending. - */ -struct evtchn_unmask { - /* IN parameters. */ - evtchn_port_t port; -}; -typedef struct evtchn_unmask evtchn_unmask_t; - -/* - * EVTCHNOP_reset: Close all event channels associated with specified domain. - * NOTES: - * 1. <dom> may be specified as DOMID_SELF. - * 2. Only a sufficiently-privileged domain may specify other than DOMID_SELF. - */ -struct evtchn_reset { - /* IN parameters. */ - domid_t dom; -}; -typedef struct evtchn_reset evtchn_reset_t; - -/* - * EVTCHNOP_init_control: initialize the control block for the FIFO ABI. - * - * Note: any events that are currently pending will not be resent and - * will be lost. Guests should call this before binding any event to - * avoid losing any events. - */ -struct evtchn_init_control { - /* IN parameters. */ - uint64_t control_gfn; - uint32_t offset; - uint32_t vcpu; - /* OUT parameters. */ - uint8_t link_bits; - uint8_t _pad[7]; -}; -typedef struct evtchn_init_control evtchn_init_control_t; - -/* - * EVTCHNOP_expand_array: add an additional page to the event array. - */ -struct evtchn_expand_array { - /* IN parameters. */ - uint64_t array_gfn; -}; -typedef struct evtchn_expand_array evtchn_expand_array_t; - -/* - * EVTCHNOP_set_priority: set the priority for an event channel. - */ -struct evtchn_set_priority { - /* IN parameters. */ - uint32_t port; - uint32_t priority; -}; -typedef struct evtchn_set_priority evtchn_set_priority_t; - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_event_channel_op_compat(struct evtchn_op *op) - * ` - * Superceded by new event_channel_op() hypercall since 0x00030202. - */ -struct evtchn_op { - uint32_t cmd; /* enum event_channel_op */ - union { - struct evtchn_alloc_unbound alloc_unbound; - struct evtchn_bind_interdomain bind_interdomain; - struct evtchn_bind_virq bind_virq; - struct evtchn_bind_pirq bind_pirq; - struct evtchn_bind_ipi bind_ipi; - struct evtchn_close close; - struct evtchn_send send; - struct evtchn_status status; - struct evtchn_bind_vcpu bind_vcpu; - struct evtchn_unmask unmask; - } u; -}; -typedef struct evtchn_op evtchn_op_t; -DEFINE_XEN_GUEST_HANDLE(evtchn_op_t); - -/* - * 2-level ABI - */ - -#define EVTCHN_2L_NR_CHANNELS (sizeof(xen_ulong_t) * sizeof(xen_ulong_t) * 64) - -/* - * FIFO ABI - */ - -/* Events may have priorities from 0 (highest) to 15 (lowest). */ -#define EVTCHN_FIFO_PRIORITY_MAX 0 -#define EVTCHN_FIFO_PRIORITY_DEFAULT 7 -#define EVTCHN_FIFO_PRIORITY_MIN 15 - -#define EVTCHN_FIFO_MAX_QUEUES (EVTCHN_FIFO_PRIORITY_MIN + 1) - -typedef uint32_t event_word_t; - -#define EVTCHN_FIFO_PENDING 31 -#define EVTCHN_FIFO_MASKED 30 -#define EVTCHN_FIFO_LINKED 29 -#define EVTCHN_FIFO_BUSY 28 - -#define EVTCHN_FIFO_LINK_BITS 17 -#define EVTCHN_FIFO_LINK_MASK ((1 << EVTCHN_FIFO_LINK_BITS) - 1) - -#define EVTCHN_FIFO_NR_CHANNELS (1 << EVTCHN_FIFO_LINK_BITS) - -struct evtchn_fifo_control_block { - uint32_t ready; - uint32_t _rsvd; - uint32_t head[EVTCHN_FIFO_MAX_QUEUES]; -}; -typedef struct evtchn_fifo_control_block evtchn_fifo_control_block_t; - -#endif /* __XEN_PUBLIC_EVENT_CHANNEL_H__ */ - -/* - * Local variables: - * mode: C - * c-file-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |