diff options
Diffstat (limited to 'ANDROID_3.4.5/include/xen/interface/io')
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/blkif.h | 196 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/console.h | 23 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/fbif.h | 143 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/kbdif.h | 116 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/netif.h | 162 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/pciif.h | 112 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/protocols.h | 21 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/ring.h | 267 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/xenbus.h | 50 | ||||
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/io/xs_wire.h | 93 |
10 files changed, 0 insertions, 1183 deletions
diff --git a/ANDROID_3.4.5/include/xen/interface/io/blkif.h b/ANDROID_3.4.5/include/xen/interface/io/blkif.h deleted file mode 100644 index ee338bfd..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/blkif.h +++ /dev/null @@ -1,196 +0,0 @@ -/****************************************************************************** - * blkif.h - * - * Unified block-device I/O interface for Xen guest OSes. - * - * Copyright (c) 2003-2004, Keir Fraser - */ - -#ifndef __XEN_PUBLIC_IO_BLKIF_H__ -#define __XEN_PUBLIC_IO_BLKIF_H__ - -#include "ring.h" -#include "../grant_table.h" - -/* - * Front->back notifications: When enqueuing a new request, sending a - * notification can be made conditional on req_event (i.e., the generic - * hold-off mechanism provided by the ring macros). Backends must set - * req_event appropriately (e.g., using RING_FINAL_CHECK_FOR_REQUESTS()). - * - * Back->front notifications: When enqueuing a new response, sending a - * notification can be made conditional on rsp_event (i.e., the generic - * hold-off mechanism provided by the ring macros). Frontends must set - * rsp_event appropriately (e.g., using RING_FINAL_CHECK_FOR_RESPONSES()). - */ - -typedef uint16_t blkif_vdev_t; -typedef uint64_t blkif_sector_t; - -/* - * REQUEST CODES. - */ -#define BLKIF_OP_READ 0 -#define BLKIF_OP_WRITE 1 -/* - * Recognised only if "feature-barrier" is present in backend xenbus info. - * The "feature_barrier" node contains a boolean indicating whether barrier - * requests are likely to succeed or fail. Either way, a barrier request - * may fail at any time with BLKIF_RSP_EOPNOTSUPP if it is unsupported by - * the underlying block-device hardware. The boolean simply indicates whether - * or not it is worthwhile for the frontend to attempt barrier requests. - * If a backend does not recognise BLKIF_OP_WRITE_BARRIER, it should *not* - * create the "feature-barrier" node! - */ -#define BLKIF_OP_WRITE_BARRIER 2 - -/* - * Recognised if "feature-flush-cache" is present in backend xenbus - * info. A flush will ask the underlying storage hardware to flush its - * non-volatile caches as appropriate. The "feature-flush-cache" node - * contains a boolean indicating whether flush requests are likely to - * succeed or fail. Either way, a flush request may fail at any time - * with BLKIF_RSP_EOPNOTSUPP if it is unsupported by the underlying - * block-device hardware. The boolean simply indicates whether or not it - * is worthwhile for the frontend to attempt flushes. If a backend does - * not recognise BLKIF_OP_WRITE_FLUSH_CACHE, it should *not* create the - * "feature-flush-cache" node! - */ -#define BLKIF_OP_FLUSH_DISKCACHE 3 - -/* - * Recognised only if "feature-discard" is present in backend xenbus info. - * The "feature-discard" node contains a boolean indicating whether trim - * (ATA) or unmap (SCSI) - conviently called discard requests are likely - * to succeed or fail. Either way, a discard request - * may fail at any time with BLKIF_RSP_EOPNOTSUPP if it is unsupported by - * the underlying block-device hardware. The boolean simply indicates whether - * or not it is worthwhile for the frontend to attempt discard requests. - * If a backend does not recognise BLKIF_OP_DISCARD, it should *not* - * create the "feature-discard" node! - * - * Discard operation is a request for the underlying block device to mark - * extents to be erased. However, discard does not guarantee that the blocks - * will be erased from the device - it is just a hint to the device - * controller that these blocks are no longer in use. What the device - * controller does with that information is left to the controller. - * Discard operations are passed with sector_number as the - * sector index to begin discard operations at and nr_sectors as the number of - * sectors to be discarded. The specified sectors should be discarded if the - * underlying block device supports trim (ATA) or unmap (SCSI) operations, - * or a BLKIF_RSP_EOPNOTSUPP should be returned. - * More information about trim/unmap operations at: - * http://t13.org/Documents/UploadedDocuments/docs2008/ - * e07154r6-Data_Set_Management_Proposal_for_ATA-ACS2.doc - * http://www.seagate.com/staticfiles/support/disc/manuals/ - * Interface%20manuals/100293068c.pdf - * The backend can optionally provide three extra XenBus attributes to - * further optimize the discard functionality: - * 'discard-aligment' - Devices that support discard functionality may - * internally allocate space in units that are bigger than the exported - * logical block size. The discard-alignment parameter indicates how many bytes - * the beginning of the partition is offset from the internal allocation unit's - * natural alignment. - * 'discard-granularity' - Devices that support discard functionality may - * internally allocate space using units that are bigger than the logical block - * size. The discard-granularity parameter indicates the size of the internal - * allocation unit in bytes if reported by the device. Otherwise the - * discard-granularity will be set to match the device's physical block size. - * 'discard-secure' - All copies of the discarded sectors (potentially created - * by garbage collection) must also be erased. To use this feature, the flag - * BLKIF_DISCARD_SECURE must be set in the blkif_request_trim. - */ -#define BLKIF_OP_DISCARD 5 - -/* - * Maximum scatter/gather segments per request. - * This is carefully chosen so that sizeof(struct blkif_ring) <= PAGE_SIZE. - * NB. This could be 12 if the ring indexes weren't stored in the same page. - */ -#define BLKIF_MAX_SEGMENTS_PER_REQUEST 11 - -struct blkif_request_rw { - uint8_t nr_segments; /* number of segments */ - blkif_vdev_t handle; /* only for read/write requests */ -#ifdef CONFIG_X86_64 - uint32_t _pad1; /* offsetof(blkif_request,u.rw.id) == 8 */ -#endif - uint64_t id; /* private guest value, echoed in resp */ - blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */ - struct blkif_request_segment { - grant_ref_t gref; /* reference to I/O buffer frame */ - /* @first_sect: first sector in frame to transfer (inclusive). */ - /* @last_sect: last sector in frame to transfer (inclusive). */ - uint8_t first_sect, last_sect; - } seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]; -} __attribute__((__packed__)); - -struct blkif_request_discard { - uint8_t flag; /* BLKIF_DISCARD_SECURE or zero. */ -#define BLKIF_DISCARD_SECURE (1<<0) /* ignored if discard-secure=0 */ - blkif_vdev_t _pad1; /* only for read/write requests */ -#ifdef CONFIG_X86_64 - uint32_t _pad2; /* offsetof(blkif_req..,u.discard.id)==8*/ -#endif - uint64_t id; /* private guest value, echoed in resp */ - blkif_sector_t sector_number; - uint64_t nr_sectors; - uint8_t _pad3; -} __attribute__((__packed__)); - -struct blkif_request { - uint8_t operation; /* BLKIF_OP_??? */ - union { - struct blkif_request_rw rw; - struct blkif_request_discard discard; - } u; -} __attribute__((__packed__)); - -struct blkif_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - -/* - * STATUS RETURN CODES. - */ - /* Operation not supported (only happens on barrier writes). */ -#define BLKIF_RSP_EOPNOTSUPP -2 - /* Operation failed for some unspecified reason (-EIO). */ -#define BLKIF_RSP_ERROR -1 - /* Operation completed successfully. */ -#define BLKIF_RSP_OKAY 0 - -/* - * Generate blkif ring structures and types. - */ - -DEFINE_RING_TYPES(blkif, struct blkif_request, struct blkif_response); - -#define VDISK_CDROM 0x1 -#define VDISK_REMOVABLE 0x2 -#define VDISK_READONLY 0x4 - -/* Xen-defined major numbers for virtual disks, they look strangely - * familiar */ -#define XEN_IDE0_MAJOR 3 -#define XEN_IDE1_MAJOR 22 -#define XEN_SCSI_DISK0_MAJOR 8 -#define XEN_SCSI_DISK1_MAJOR 65 -#define XEN_SCSI_DISK2_MAJOR 66 -#define XEN_SCSI_DISK3_MAJOR 67 -#define XEN_SCSI_DISK4_MAJOR 68 -#define XEN_SCSI_DISK5_MAJOR 69 -#define XEN_SCSI_DISK6_MAJOR 70 -#define XEN_SCSI_DISK7_MAJOR 71 -#define XEN_SCSI_DISK8_MAJOR 128 -#define XEN_SCSI_DISK9_MAJOR 129 -#define XEN_SCSI_DISK10_MAJOR 130 -#define XEN_SCSI_DISK11_MAJOR 131 -#define XEN_SCSI_DISK12_MAJOR 132 -#define XEN_SCSI_DISK13_MAJOR 133 -#define XEN_SCSI_DISK14_MAJOR 134 -#define XEN_SCSI_DISK15_MAJOR 135 - -#endif /* __XEN_PUBLIC_IO_BLKIF_H__ */ diff --git a/ANDROID_3.4.5/include/xen/interface/io/console.h b/ANDROID_3.4.5/include/xen/interface/io/console.h deleted file mode 100644 index e563de70..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/console.h +++ /dev/null @@ -1,23 +0,0 @@ -/****************************************************************************** - * console.h - * - * Console I/O interface for Xen guest OSes. - * - * Copyright (c) 2005, Keir Fraser - */ - -#ifndef __XEN_PUBLIC_IO_CONSOLE_H__ -#define __XEN_PUBLIC_IO_CONSOLE_H__ - -typedef uint32_t XENCONS_RING_IDX; - -#define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) - -struct xencons_interface { - char in[1024]; - char out[2048]; - XENCONS_RING_IDX in_cons, in_prod; - XENCONS_RING_IDX out_cons, out_prod; -}; - -#endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ diff --git a/ANDROID_3.4.5/include/xen/interface/io/fbif.h b/ANDROID_3.4.5/include/xen/interface/io/fbif.h deleted file mode 100644 index 974a51ed..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/fbif.h +++ /dev/null @@ -1,143 +0,0 @@ -/* - * fbif.h -- Xen virtual frame buffer device - * - * 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) 2005 Anthony Liguori <aliguori@us.ibm.com> - * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> - */ - -#ifndef __XEN_PUBLIC_IO_FBIF_H__ -#define __XEN_PUBLIC_IO_FBIF_H__ - -/* Out events (frontend -> backend) */ - -/* - * Out events may be sent only when requested by backend, and receipt - * of an unknown out event is an error. - */ - -/* Event type 1 currently not used */ -/* - * Framebuffer update notification event - * Capable frontend sets feature-update in xenstore. - * Backend requests it by setting request-update in xenstore. - */ -#define XENFB_TYPE_UPDATE 2 - -struct xenfb_update { - uint8_t type; /* XENFB_TYPE_UPDATE */ - int32_t x; /* source x */ - int32_t y; /* source y */ - int32_t width; /* rect width */ - int32_t height; /* rect height */ -}; - -/* - * Framebuffer resize notification event - * Capable backend sets feature-resize in xenstore. - */ -#define XENFB_TYPE_RESIZE 3 - -struct xenfb_resize { - uint8_t type; /* XENFB_TYPE_RESIZE */ - int32_t width; /* width in pixels */ - int32_t height; /* height in pixels */ - int32_t stride; /* stride in bytes */ - int32_t depth; /* depth in bits */ - int32_t offset; /* start offset within framebuffer */ -}; - -#define XENFB_OUT_EVENT_SIZE 40 - -union xenfb_out_event { - uint8_t type; - struct xenfb_update update; - struct xenfb_resize resize; - char pad[XENFB_OUT_EVENT_SIZE]; -}; - -/* In events (backend -> frontend) */ - -/* - * Frontends should ignore unknown in events. - * No in events currently defined. - */ - -#define XENFB_IN_EVENT_SIZE 40 - -union xenfb_in_event { - uint8_t type; - char pad[XENFB_IN_EVENT_SIZE]; -}; - -/* shared page */ - -#define XENFB_IN_RING_SIZE 1024 -#define XENFB_IN_RING_LEN (XENFB_IN_RING_SIZE / XENFB_IN_EVENT_SIZE) -#define XENFB_IN_RING_OFFS 1024 -#define XENFB_IN_RING(page) \ - ((union xenfb_in_event *)((char *)(page) + XENFB_IN_RING_OFFS)) -#define XENFB_IN_RING_REF(page, idx) \ - (XENFB_IN_RING((page))[(idx) % XENFB_IN_RING_LEN]) - -#define XENFB_OUT_RING_SIZE 2048 -#define XENFB_OUT_RING_LEN (XENFB_OUT_RING_SIZE / XENFB_OUT_EVENT_SIZE) -#define XENFB_OUT_RING_OFFS (XENFB_IN_RING_OFFS + XENFB_IN_RING_SIZE) -#define XENFB_OUT_RING(page) \ - ((union xenfb_out_event *)((char *)(page) + XENFB_OUT_RING_OFFS)) -#define XENFB_OUT_RING_REF(page, idx) \ - (XENFB_OUT_RING((page))[(idx) % XENFB_OUT_RING_LEN]) - -struct xenfb_page { - uint32_t in_cons, in_prod; - uint32_t out_cons, out_prod; - - int32_t width; /* width of the framebuffer (in pixels) */ - int32_t height; /* height of the framebuffer (in pixels) */ - uint32_t line_length; /* length of a row of pixels (in bytes) */ - uint32_t mem_length; /* length of the framebuffer (in bytes) */ - uint8_t depth; /* depth of a pixel (in bits) */ - - /* - * Framebuffer page directory - * - * Each directory page holds PAGE_SIZE / sizeof(*pd) - * framebuffer pages, and can thus map up to PAGE_SIZE * - * PAGE_SIZE / sizeof(*pd) bytes. With PAGE_SIZE == 4096 and - * sizeof(unsigned long) == 4/8, that's 4 Megs 32 bit and 2 - * Megs 64 bit. 256 directories give enough room for a 512 - * Meg framebuffer with a max resolution of 12,800x10,240. - * Should be enough for a while with room leftover for - * expansion. - */ - unsigned long pd[256]; -}; - -/* - * Wart: xenkbd needs to know default resolution. Put it here until a - * better solution is found, but don't leak it to the backend. - */ -#ifdef __KERNEL__ -#define XENFB_WIDTH 800 -#define XENFB_HEIGHT 600 -#define XENFB_DEPTH 32 -#endif - -#endif diff --git a/ANDROID_3.4.5/include/xen/interface/io/kbdif.h b/ANDROID_3.4.5/include/xen/interface/io/kbdif.h deleted file mode 100644 index 8066c784..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/kbdif.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * kbdif.h -- Xen virtual keyboard/mouse - * - * 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) 2005 Anthony Liguori <aliguori@us.ibm.com> - * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> - */ - -#ifndef __XEN_PUBLIC_IO_KBDIF_H__ -#define __XEN_PUBLIC_IO_KBDIF_H__ - -/* In events (backend -> frontend) */ - -/* - * Frontends should ignore unknown in events. - */ - -/* Pointer movement event */ -#define XENKBD_TYPE_MOTION 1 -/* Event type 2 currently not used */ -/* Key event (includes pointer buttons) */ -#define XENKBD_TYPE_KEY 3 -/* - * Pointer position event - * Capable backend sets feature-abs-pointer in xenstore. - * Frontend requests ot instead of XENKBD_TYPE_MOTION by setting - * request-abs-update in xenstore. - */ -#define XENKBD_TYPE_POS 4 - -struct xenkbd_motion { - uint8_t type; /* XENKBD_TYPE_MOTION */ - int32_t rel_x; /* relative X motion */ - int32_t rel_y; /* relative Y motion */ - int32_t rel_z; /* relative Z motion (wheel) */ -}; - -struct xenkbd_key { - uint8_t type; /* XENKBD_TYPE_KEY */ - uint8_t pressed; /* 1 if pressed; 0 otherwise */ - uint32_t keycode; /* KEY_* from linux/input.h */ -}; - -struct xenkbd_position { - uint8_t type; /* XENKBD_TYPE_POS */ - int32_t abs_x; /* absolute X position (in FB pixels) */ - int32_t abs_y; /* absolute Y position (in FB pixels) */ - int32_t rel_z; /* relative Z motion (wheel) */ -}; - -#define XENKBD_IN_EVENT_SIZE 40 - -union xenkbd_in_event { - uint8_t type; - struct xenkbd_motion motion; - struct xenkbd_key key; - struct xenkbd_position pos; - char pad[XENKBD_IN_EVENT_SIZE]; -}; - -/* Out events (frontend -> backend) */ - -/* - * Out events may be sent only when requested by backend, and receipt - * of an unknown out event is an error. - * No out events currently defined. - */ - -#define XENKBD_OUT_EVENT_SIZE 40 - -union xenkbd_out_event { - uint8_t type; - char pad[XENKBD_OUT_EVENT_SIZE]; -}; - -/* shared page */ - -#define XENKBD_IN_RING_SIZE 2048 -#define XENKBD_IN_RING_LEN (XENKBD_IN_RING_SIZE / XENKBD_IN_EVENT_SIZE) -#define XENKBD_IN_RING_OFFS 1024 -#define XENKBD_IN_RING(page) \ - ((union xenkbd_in_event *)((char *)(page) + XENKBD_IN_RING_OFFS)) -#define XENKBD_IN_RING_REF(page, idx) \ - (XENKBD_IN_RING((page))[(idx) % XENKBD_IN_RING_LEN]) - -#define XENKBD_OUT_RING_SIZE 1024 -#define XENKBD_OUT_RING_LEN (XENKBD_OUT_RING_SIZE / XENKBD_OUT_EVENT_SIZE) -#define XENKBD_OUT_RING_OFFS (XENKBD_IN_RING_OFFS + XENKBD_IN_RING_SIZE) -#define XENKBD_OUT_RING(page) \ - ((union xenkbd_out_event *)((char *)(page) + XENKBD_OUT_RING_OFFS)) -#define XENKBD_OUT_RING_REF(page, idx) \ - (XENKBD_OUT_RING((page))[(idx) % XENKBD_OUT_RING_LEN]) - -struct xenkbd_page { - uint32_t in_cons, in_prod; - uint32_t out_cons, out_prod; -}; - -#endif diff --git a/ANDROID_3.4.5/include/xen/interface/io/netif.h b/ANDROID_3.4.5/include/xen/interface/io/netif.h deleted file mode 100644 index cb94668f..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/netif.h +++ /dev/null @@ -1,162 +0,0 @@ -/****************************************************************************** - * netif.h - * - * Unified network-device I/O interface for Xen guest OSes. - * - * Copyright (c) 2003-2004, Keir Fraser - */ - -#ifndef __XEN_PUBLIC_IO_NETIF_H__ -#define __XEN_PUBLIC_IO_NETIF_H__ - -#include "ring.h" -#include "../grant_table.h" - -/* - * Notifications after enqueuing any type of message should be conditional on - * the appropriate req_event or rsp_event field in the shared ring. - * If the client sends notification for rx requests then it should specify - * feature 'feature-rx-notify' via xenbus. Otherwise the backend will assume - * that it cannot safely queue packets (as it may not be kicked to send them). - */ - -/* - * This is the 'wire' format for packets: - * Request 1: xen_netif_tx_request -- XEN_NETTXF_* (any flags) - * [Request 2: xen_netif_extra_info] (only if request 1 has XEN_NETTXF_extra_info) - * [Request 3: xen_netif_extra_info] (only if request 2 has XEN_NETIF_EXTRA_MORE) - * Request 4: xen_netif_tx_request -- XEN_NETTXF_more_data - * Request 5: xen_netif_tx_request -- XEN_NETTXF_more_data - * ... - * Request N: xen_netif_tx_request -- 0 - */ - -/* Protocol checksum field is blank in the packet (hardware offload)? */ -#define _XEN_NETTXF_csum_blank (0) -#define XEN_NETTXF_csum_blank (1U<<_XEN_NETTXF_csum_blank) - -/* Packet data has been validated against protocol checksum. */ -#define _XEN_NETTXF_data_validated (1) -#define XEN_NETTXF_data_validated (1U<<_XEN_NETTXF_data_validated) - -/* Packet continues in the next request descriptor. */ -#define _XEN_NETTXF_more_data (2) -#define XEN_NETTXF_more_data (1U<<_XEN_NETTXF_more_data) - -/* Packet to be followed by extra descriptor(s). */ -#define _XEN_NETTXF_extra_info (3) -#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info) - -struct xen_netif_tx_request { - grant_ref_t gref; /* Reference to buffer page */ - uint16_t offset; /* Offset within buffer page */ - uint16_t flags; /* XEN_NETTXF_* */ - uint16_t id; /* Echoed in response message. */ - uint16_t size; /* Packet size in bytes. */ -}; - -/* Types of xen_netif_extra_info descriptors. */ -#define XEN_NETIF_EXTRA_TYPE_NONE (0) /* Never used - invalid */ -#define XEN_NETIF_EXTRA_TYPE_GSO (1) /* u.gso */ -#define XEN_NETIF_EXTRA_TYPE_MAX (2) - -/* xen_netif_extra_info flags. */ -#define _XEN_NETIF_EXTRA_FLAG_MORE (0) -#define XEN_NETIF_EXTRA_FLAG_MORE (1U<<_XEN_NETIF_EXTRA_FLAG_MORE) - -/* GSO types - only TCPv4 currently supported. */ -#define XEN_NETIF_GSO_TYPE_TCPV4 (1) - -/* - * This structure needs to fit within both netif_tx_request and - * netif_rx_response for compatibility. - */ -struct xen_netif_extra_info { - uint8_t type; /* XEN_NETIF_EXTRA_TYPE_* */ - uint8_t flags; /* XEN_NETIF_EXTRA_FLAG_* */ - - union { - struct { - /* - * Maximum payload size of each segment. For - * example, for TCP this is just the path MSS. - */ - uint16_t size; - - /* - * GSO type. This determines the protocol of - * the packet and any extra features required - * to segment the packet properly. - */ - uint8_t type; /* XEN_NETIF_GSO_TYPE_* */ - - /* Future expansion. */ - uint8_t pad; - - /* - * GSO features. This specifies any extra GSO - * features required to process this packet, - * such as ECN support for TCPv4. - */ - uint16_t features; /* XEN_NETIF_GSO_FEAT_* */ - } gso; - - uint16_t pad[3]; - } u; -}; - -struct xen_netif_tx_response { - uint16_t id; - int16_t status; /* XEN_NETIF_RSP_* */ -}; - -struct xen_netif_rx_request { - uint16_t id; /* Echoed in response message. */ - grant_ref_t gref; /* Reference to incoming granted frame */ -}; - -/* Packet data has been validated against protocol checksum. */ -#define _XEN_NETRXF_data_validated (0) -#define XEN_NETRXF_data_validated (1U<<_XEN_NETRXF_data_validated) - -/* Protocol checksum field is blank in the packet (hardware offload)? */ -#define _XEN_NETRXF_csum_blank (1) -#define XEN_NETRXF_csum_blank (1U<<_XEN_NETRXF_csum_blank) - -/* Packet continues in the next request descriptor. */ -#define _XEN_NETRXF_more_data (2) -#define XEN_NETRXF_more_data (1U<<_XEN_NETRXF_more_data) - -/* Packet to be followed by extra descriptor(s). */ -#define _XEN_NETRXF_extra_info (3) -#define XEN_NETRXF_extra_info (1U<<_XEN_NETRXF_extra_info) - -/* GSO Prefix descriptor. */ -#define _XEN_NETRXF_gso_prefix (4) -#define XEN_NETRXF_gso_prefix (1U<<_XEN_NETRXF_gso_prefix) - -struct xen_netif_rx_response { - uint16_t id; - uint16_t offset; /* Offset in page of start of received packet */ - uint16_t flags; /* XEN_NETRXF_* */ - int16_t status; /* -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */ -}; - -/* - * Generate netif ring structures and types. - */ - -DEFINE_RING_TYPES(xen_netif_tx, - struct xen_netif_tx_request, - struct xen_netif_tx_response); -DEFINE_RING_TYPES(xen_netif_rx, - struct xen_netif_rx_request, - struct xen_netif_rx_response); - -#define XEN_NETIF_RSP_DROPPED -2 -#define XEN_NETIF_RSP_ERROR -1 -#define XEN_NETIF_RSP_OKAY 0 -/* No response: used for auxiliary requests (e.g., xen_netif_extra_info). */ -#define XEN_NETIF_RSP_NULL 1 - -#endif diff --git a/ANDROID_3.4.5/include/xen/interface/io/pciif.h b/ANDROID_3.4.5/include/xen/interface/io/pciif.h deleted file mode 100644 index d9922ae3..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/pciif.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * PCI Backend/Frontend Common Data Structures & Macros - * - * 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. - * - * Author: Ryan Wilson <hap9@epoch.ncsc.mil> - */ -#ifndef __XEN_PCI_COMMON_H__ -#define __XEN_PCI_COMMON_H__ - -/* Be sure to bump this number if you change this file */ -#define XEN_PCI_MAGIC "7" - -/* xen_pci_sharedinfo flags */ -#define _XEN_PCIF_active (0) -#define XEN_PCIF_active (1<<_XEN_PCIF_active) -#define _XEN_PCIB_AERHANDLER (1) -#define XEN_PCIB_AERHANDLER (1<<_XEN_PCIB_AERHANDLER) -#define _XEN_PCIB_active (2) -#define XEN_PCIB_active (1<<_XEN_PCIB_active) - -/* xen_pci_op commands */ -#define XEN_PCI_OP_conf_read (0) -#define XEN_PCI_OP_conf_write (1) -#define XEN_PCI_OP_enable_msi (2) -#define XEN_PCI_OP_disable_msi (3) -#define XEN_PCI_OP_enable_msix (4) -#define XEN_PCI_OP_disable_msix (5) -#define XEN_PCI_OP_aer_detected (6) -#define XEN_PCI_OP_aer_resume (7) -#define XEN_PCI_OP_aer_mmio (8) -#define XEN_PCI_OP_aer_slotreset (9) - -/* xen_pci_op error numbers */ -#define XEN_PCI_ERR_success (0) -#define XEN_PCI_ERR_dev_not_found (-1) -#define XEN_PCI_ERR_invalid_offset (-2) -#define XEN_PCI_ERR_access_denied (-3) -#define XEN_PCI_ERR_not_implemented (-4) -/* XEN_PCI_ERR_op_failed - backend failed to complete the operation */ -#define XEN_PCI_ERR_op_failed (-5) - -/* - * it should be PAGE_SIZE-sizeof(struct xen_pci_op))/sizeof(struct msix_entry)) - * Should not exceed 128 - */ -#define SH_INFO_MAX_VEC 128 - -struct xen_msix_entry { - uint16_t vector; - uint16_t entry; -}; -struct xen_pci_op { - /* IN: what action to perform: XEN_PCI_OP_* */ - uint32_t cmd; - - /* OUT: will contain an error number (if any) from errno.h */ - int32_t err; - - /* IN: which device to touch */ - uint32_t domain; /* PCI Domain/Segment */ - uint32_t bus; - uint32_t devfn; - - /* IN: which configuration registers to touch */ - int32_t offset; - int32_t size; - - /* IN/OUT: Contains the result after a READ or the value to WRITE */ - uint32_t value; - /* IN: Contains extra infor for this operation */ - uint32_t info; - /*IN: param for msi-x */ - struct xen_msix_entry msix_entries[SH_INFO_MAX_VEC]; -}; - -/*used for pcie aer handling*/ -struct xen_pcie_aer_op { - /* IN: what action to perform: XEN_PCI_OP_* */ - uint32_t cmd; - /*IN/OUT: return aer_op result or carry error_detected state as input*/ - int32_t err; - - /* IN: which device to touch */ - uint32_t domain; /* PCI Domain/Segment*/ - uint32_t bus; - uint32_t devfn; -}; -struct xen_pci_sharedinfo { - /* flags - XEN_PCIF_* */ - uint32_t flags; - struct xen_pci_op op; - struct xen_pcie_aer_op aer_op; -}; - -#endif /* __XEN_PCI_COMMON_H__ */ diff --git a/ANDROID_3.4.5/include/xen/interface/io/protocols.h b/ANDROID_3.4.5/include/xen/interface/io/protocols.h deleted file mode 100644 index 01fc8ae5..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/protocols.h +++ /dev/null @@ -1,21 +0,0 @@ -#ifndef __XEN_PROTOCOLS_H__ -#define __XEN_PROTOCOLS_H__ - -#define XEN_IO_PROTO_ABI_X86_32 "x86_32-abi" -#define XEN_IO_PROTO_ABI_X86_64 "x86_64-abi" -#define XEN_IO_PROTO_ABI_IA64 "ia64-abi" -#define XEN_IO_PROTO_ABI_POWERPC64 "powerpc64-abi" - -#if defined(__i386__) -# define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_32 -#elif defined(__x86_64__) -# define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_X86_64 -#elif defined(__ia64__) -# define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_IA64 -#elif defined(__powerpc64__) -# define XEN_IO_PROTO_ABI_NATIVE XEN_IO_PROTO_ABI_POWERPC64 -#else -# error arch fixup needed here -#endif - -#endif diff --git a/ANDROID_3.4.5/include/xen/interface/io/ring.h b/ANDROID_3.4.5/include/xen/interface/io/ring.h deleted file mode 100644 index 75271b9a..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/ring.h +++ /dev/null @@ -1,267 +0,0 @@ -/****************************************************************************** - * ring.h - * - * Shared producer-consumer ring macros. - * - * Tim Deegan and Andrew Warfield November 2004. - */ - -#ifndef __XEN_PUBLIC_IO_RING_H__ -#define __XEN_PUBLIC_IO_RING_H__ - -typedef unsigned int RING_IDX; - -/* Round a 32-bit unsigned constant down to the nearest power of two. */ -#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) -#define __RD4(_x) (((_x) & 0x0000000c) ? __RD2((_x)>>2)<<2 : __RD2(_x)) -#define __RD8(_x) (((_x) & 0x000000f0) ? __RD4((_x)>>4)<<4 : __RD4(_x)) -#define __RD16(_x) (((_x) & 0x0000ff00) ? __RD8((_x)>>8)<<8 : __RD8(_x)) -#define __RD32(_x) (((_x) & 0xffff0000) ? __RD16((_x)>>16)<<16 : __RD16(_x)) - -/* - * Calculate size of a shared ring, given the total available space for the - * ring and indexes (_sz), and the name tag of the request/response structure. - * A ring contains as many entries as will fit, rounded down to the nearest - * power of two (so we can mask with (size-1) to loop around). - */ -#define __CONST_RING_SIZE(_s, _sz) \ - (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ - sizeof(((struct _s##_sring *)0)->ring[0]))) - -/* - * The same for passing in an actual pointer instead of a name tag. - */ -#define __RING_SIZE(_s, _sz) \ - (__RD32(((_sz) - (long)&(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) - -/* - * Macros to make the correct C datatypes for a new kind of ring. - * - * To make a new ring datatype, you need to have two message structures, - * let's say struct request, and struct response already defined. - * - * In a header where you want the ring datatype declared, you then do: - * - * DEFINE_RING_TYPES(mytag, struct request, struct response); - * - * These expand out to give you a set of types, as you can see below. - * The most important of these are: - * - * struct mytag_sring - The shared ring. - * struct mytag_front_ring - The 'front' half of the ring. - * struct mytag_back_ring - The 'back' half of the ring. - * - * To initialize a ring in your code you need to know the location and size - * of the shared memory area (PAGE_SIZE, for instance). To initialise - * the front half: - * - * struct mytag_front_ring front_ring; - * SHARED_RING_INIT((struct mytag_sring *)shared_page); - * FRONT_RING_INIT(&front_ring, (struct mytag_sring *)shared_page, - * PAGE_SIZE); - * - * Initializing the back follows similarly (note that only the front - * initializes the shared ring): - * - * struct mytag_back_ring back_ring; - * BACK_RING_INIT(&back_ring, (struct mytag_sring *)shared_page, - * PAGE_SIZE); - */ - -#define DEFINE_RING_TYPES(__name, __req_t, __rsp_t) \ - \ -/* Shared ring entry */ \ -union __name##_sring_entry { \ - __req_t req; \ - __rsp_t rsp; \ -}; \ - \ -/* Shared ring page */ \ -struct __name##_sring { \ - RING_IDX req_prod, req_event; \ - RING_IDX rsp_prod, rsp_event; \ - uint8_t pad[48]; \ - union __name##_sring_entry ring[1]; /* variable-length */ \ -}; \ - \ -/* "Front" end's private variables */ \ -struct __name##_front_ring { \ - RING_IDX req_prod_pvt; \ - RING_IDX rsp_cons; \ - unsigned int nr_ents; \ - struct __name##_sring *sring; \ -}; \ - \ -/* "Back" end's private variables */ \ -struct __name##_back_ring { \ - RING_IDX rsp_prod_pvt; \ - RING_IDX req_cons; \ - unsigned int nr_ents; \ - struct __name##_sring *sring; \ -}; - -/* - * Macros for manipulating rings. - * - * FRONT_RING_whatever works on the "front end" of a ring: here - * requests are pushed on to the ring and responses taken off it. - * - * BACK_RING_whatever works on the "back end" of a ring: here - * requests are taken off the ring and responses put on. - * - * N.B. these macros do NO INTERLOCKS OR FLOW CONTROL. - * This is OK in 1-for-1 request-response situations where the - * requestor (front end) never has more than RING_SIZE()-1 - * outstanding requests. - */ - -/* Initialising empty rings */ -#define SHARED_RING_INIT(_s) do { \ - (_s)->req_prod = (_s)->rsp_prod = 0; \ - (_s)->req_event = (_s)->rsp_event = 1; \ - memset((_s)->pad, 0, sizeof((_s)->pad)); \ -} while(0) - -#define FRONT_RING_INIT(_r, _s, __size) do { \ - (_r)->req_prod_pvt = 0; \ - (_r)->rsp_cons = 0; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ - (_r)->sring = (_s); \ -} while (0) - -#define BACK_RING_INIT(_r, _s, __size) do { \ - (_r)->rsp_prod_pvt = 0; \ - (_r)->req_cons = 0; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ - (_r)->sring = (_s); \ -} while (0) - -/* Initialize to existing shared indexes -- for recovery */ -#define FRONT_RING_ATTACH(_r, _s, __size) do { \ - (_r)->sring = (_s); \ - (_r)->req_prod_pvt = (_s)->req_prod; \ - (_r)->rsp_cons = (_s)->rsp_prod; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ -} while (0) - -#define BACK_RING_ATTACH(_r, _s, __size) do { \ - (_r)->sring = (_s); \ - (_r)->rsp_prod_pvt = (_s)->rsp_prod; \ - (_r)->req_cons = (_s)->req_prod; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ -} while (0) - -/* How big is this ring? */ -#define RING_SIZE(_r) \ - ((_r)->nr_ents) - -/* Number of free requests (for use on front side only). */ -#define RING_FREE_REQUESTS(_r) \ - (RING_SIZE(_r) - ((_r)->req_prod_pvt - (_r)->rsp_cons)) - -/* Test if there is an empty slot available on the front ring. - * (This is only meaningful from the front. ) - */ -#define RING_FULL(_r) \ - (RING_FREE_REQUESTS(_r) == 0) - -/* Test if there are outstanding messages to be processed on a ring. */ -#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ - ((_r)->sring->rsp_prod - (_r)->rsp_cons) - -#define RING_HAS_UNCONSUMED_REQUESTS(_r) \ - ({ \ - unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ - unsigned int rsp = RING_SIZE(_r) - \ - ((_r)->req_cons - (_r)->rsp_prod_pvt); \ - req < rsp ? req : rsp; \ - }) - -/* Direct access to individual ring elements, by index. */ -#define RING_GET_REQUEST(_r, _idx) \ - (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) - -#define RING_GET_RESPONSE(_r, _idx) \ - (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) - -/* Loop termination condition: Would the specified index overflow the ring? */ -#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \ - (((_cons) - (_r)->rsp_prod_pvt) >= RING_SIZE(_r)) - -#define RING_PUSH_REQUESTS(_r) do { \ - wmb(); /* back sees requests /before/ updated producer index */ \ - (_r)->sring->req_prod = (_r)->req_prod_pvt; \ -} while (0) - -#define RING_PUSH_RESPONSES(_r) do { \ - wmb(); /* front sees responses /before/ updated producer index */ \ - (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \ -} while (0) - -/* - * Notification hold-off (req_event and rsp_event): - * - * When queueing requests or responses on a shared ring, it may not always be - * necessary to notify the remote end. For example, if requests are in flight - * in a backend, the front may be able to queue further requests without - * notifying the back (if the back checks for new requests when it queues - * responses). - * - * When enqueuing requests or responses: - * - * Use RING_PUSH_{REQUESTS,RESPONSES}_AND_CHECK_NOTIFY(). The second argument - * is a boolean return value. True indicates that the receiver requires an - * asynchronous notification. - * - * After dequeuing requests or responses (before sleeping the connection): - * - * Use RING_FINAL_CHECK_FOR_REQUESTS() or RING_FINAL_CHECK_FOR_RESPONSES(). - * The second argument is a boolean return value. True indicates that there - * are pending messages on the ring (i.e., the connection should not be put - * to sleep). - * - * These macros will set the req_event/rsp_event field to trigger a - * notification on the very next message that is enqueued. If you want to - * create batches of work (i.e., only receive a notification after several - * messages have been enqueued) then you will need to create a customised - * version of the FINAL_CHECK macro in your own code, which sets the event - * field appropriately. - */ - -#define RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(_r, _notify) do { \ - RING_IDX __old = (_r)->sring->req_prod; \ - RING_IDX __new = (_r)->req_prod_pvt; \ - wmb(); /* back sees requests /before/ updated producer index */ \ - (_r)->sring->req_prod = __new; \ - mb(); /* back sees new requests /before/ we check req_event */ \ - (_notify) = ((RING_IDX)(__new - (_r)->sring->req_event) < \ - (RING_IDX)(__new - __old)); \ -} while (0) - -#define RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(_r, _notify) do { \ - RING_IDX __old = (_r)->sring->rsp_prod; \ - RING_IDX __new = (_r)->rsp_prod_pvt; \ - wmb(); /* front sees responses /before/ updated producer index */ \ - (_r)->sring->rsp_prod = __new; \ - mb(); /* front sees new responses /before/ we check rsp_event */ \ - (_notify) = ((RING_IDX)(__new - (_r)->sring->rsp_event) < \ - (RING_IDX)(__new - __old)); \ -} while (0) - -#define RING_FINAL_CHECK_FOR_REQUESTS(_r, _work_to_do) do { \ - (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ - if (_work_to_do) break; \ - (_r)->sring->req_event = (_r)->req_cons + 1; \ - mb(); \ - (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ -} while (0) - -#define RING_FINAL_CHECK_FOR_RESPONSES(_r, _work_to_do) do { \ - (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ - if (_work_to_do) break; \ - (_r)->sring->rsp_event = (_r)->rsp_cons + 1; \ - mb(); \ - (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ -} while (0) - -#endif /* __XEN_PUBLIC_IO_RING_H__ */ diff --git a/ANDROID_3.4.5/include/xen/interface/io/xenbus.h b/ANDROID_3.4.5/include/xen/interface/io/xenbus.h deleted file mode 100644 index 9fda5329..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/xenbus.h +++ /dev/null @@ -1,50 +0,0 @@ -/***************************************************************************** - * xenbus.h - * - * Xenbus protocol details. - * - * Copyright (C) 2005 XenSource Ltd. - */ - -#ifndef _XEN_PUBLIC_IO_XENBUS_H -#define _XEN_PUBLIC_IO_XENBUS_H - -/* The state of either end of the Xenbus, i.e. the current communication - status of initialisation across the bus. States here imply nothing about - the state of the connection between the driver and the kernel's device - layers. */ -enum xenbus_state -{ - XenbusStateUnknown = 0, - XenbusStateInitialising = 1, - XenbusStateInitWait = 2, /* Finished early - initialisation, but waiting - for information from the peer - or hotplug scripts. */ - XenbusStateInitialised = 3, /* Initialised and waiting for a - connection from the peer. */ - XenbusStateConnected = 4, - XenbusStateClosing = 5, /* The device is being closed - due to an error or an unplug - event. */ - XenbusStateClosed = 6, - - /* - * Reconfiguring: The device is being reconfigured. - */ - XenbusStateReconfiguring = 7, - - XenbusStateReconfigured = 8 -}; - -#endif /* _XEN_PUBLIC_IO_XENBUS_H */ - -/* - * Local variables: - * c-file-style: "linux" - * indent-tabs-mode: t - * c-indent-level: 8 - * c-basic-offset: 8 - * tab-width: 8 - * End: - */ diff --git a/ANDROID_3.4.5/include/xen/interface/io/xs_wire.h b/ANDROID_3.4.5/include/xen/interface/io/xs_wire.h deleted file mode 100644 index 7cdfca24..00000000 --- a/ANDROID_3.4.5/include/xen/interface/io/xs_wire.h +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Details of the "wire" protocol between Xen Store Daemon and client - * library or guest kernel. - * Copyright (C) 2005 Rusty Russell IBM Corporation - */ - -#ifndef _XS_WIRE_H -#define _XS_WIRE_H - -enum xsd_sockmsg_type -{ - XS_DEBUG, - XS_DIRECTORY, - XS_READ, - XS_GET_PERMS, - XS_WATCH, - XS_UNWATCH, - XS_TRANSACTION_START, - XS_TRANSACTION_END, - XS_INTRODUCE, - XS_RELEASE, - XS_GET_DOMAIN_PATH, - XS_WRITE, - XS_MKDIR, - XS_RM, - XS_SET_PERMS, - XS_WATCH_EVENT, - XS_ERROR, - XS_IS_DOMAIN_INTRODUCED, - XS_RESUME, - XS_SET_TARGET, - XS_RESTRICT -}; - -#define XS_WRITE_NONE "NONE" -#define XS_WRITE_CREATE "CREATE" -#define XS_WRITE_CREATE_EXCL "CREATE|EXCL" - -/* We hand errors as strings, for portability. */ -struct xsd_errors -{ - int errnum; - const char *errstring; -}; -#define XSD_ERROR(x) { x, #x } -static struct xsd_errors xsd_errors[] __attribute__((unused)) = { - XSD_ERROR(EINVAL), - XSD_ERROR(EACCES), - XSD_ERROR(EEXIST), - XSD_ERROR(EISDIR), - XSD_ERROR(ENOENT), - XSD_ERROR(ENOMEM), - XSD_ERROR(ENOSPC), - XSD_ERROR(EIO), - XSD_ERROR(ENOTEMPTY), - XSD_ERROR(ENOSYS), - XSD_ERROR(EROFS), - XSD_ERROR(EBUSY), - XSD_ERROR(EAGAIN), - XSD_ERROR(EISCONN) -}; - -struct xsd_sockmsg -{ - uint32_t type; /* XS_??? */ - uint32_t req_id;/* Request identifier, echoed in daemon's response. */ - uint32_t tx_id; /* Transaction id (0 if not related to a transaction). */ - uint32_t len; /* Length of data following this. */ - - /* Generally followed by nul-terminated string(s). */ -}; - -enum xs_watch_type -{ - XS_WATCH_PATH = 0, - XS_WATCH_TOKEN -}; - -/* Inter-domain shared memory communications. */ -#define XENSTORE_RING_SIZE 1024 -typedef uint32_t XENSTORE_RING_IDX; -#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE-1)) -struct xenstore_domain_interface { - char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */ - char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */ - XENSTORE_RING_IDX req_cons, req_prod; - XENSTORE_RING_IDX rsp_cons, rsp_prod; -}; - -/* Violating this is very bad. See docs/misc/xenstore.txt. */ -#define XENSTORE_PAYLOAD_MAX 4096 - -#endif /* _XS_WIRE_H */ |