diff options
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/include/block/nbd.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/include/block/nbd.h')
-rw-r--r-- | qemu/include/block/nbd.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/qemu/include/block/nbd.h b/qemu/include/block/nbd.h deleted file mode 100644 index b86a97698..000000000 --- a/qemu/include/block/nbd.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (C) 2005 Anthony Liguori <anthony@codemonkey.ws> - * - * Network Block Device - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; under version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef NBD_H -#define NBD_H - - -#include "qemu-common.h" -#include "qemu/option.h" -#include "io/channel-socket.h" -#include "crypto/tlscreds.h" - -struct nbd_request { - uint32_t magic; - uint32_t type; - uint64_t handle; - uint64_t from; - uint32_t len; -} QEMU_PACKED; - -struct nbd_reply { - uint32_t magic; - uint32_t error; - uint64_t handle; -} QEMU_PACKED; - -#define NBD_FLAG_HAS_FLAGS (1 << 0) /* Flags are there */ -#define NBD_FLAG_READ_ONLY (1 << 1) /* Device is read-only */ -#define NBD_FLAG_SEND_FLUSH (1 << 2) /* Send FLUSH */ -#define NBD_FLAG_SEND_FUA (1 << 3) /* Send FUA (Force Unit Access) */ -#define NBD_FLAG_ROTATIONAL (1 << 4) /* Use elevator algorithm - rotational media */ -#define NBD_FLAG_SEND_TRIM (1 << 5) /* Send TRIM (discard) */ - -/* New-style global flags. */ -#define NBD_FLAG_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */ - -/* New-style client flags. */ -#define NBD_FLAG_C_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */ - -/* Reply types. */ -#define NBD_REP_ACK (1) /* Data sending finished. */ -#define NBD_REP_SERVER (2) /* Export description. */ -#define NBD_REP_ERR_UNSUP ((UINT32_C(1) << 31) | 1) /* Unknown option. */ -#define NBD_REP_ERR_POLICY ((UINT32_C(1) << 31) | 2) /* Server denied */ -#define NBD_REP_ERR_INVALID ((UINT32_C(1) << 31) | 3) /* Invalid length. */ -#define NBD_REP_ERR_TLS_REQD ((UINT32_C(1) << 31) | 5) /* TLS required */ - - -#define NBD_CMD_MASK_COMMAND 0x0000ffff -#define NBD_CMD_FLAG_FUA (1 << 16) - -enum { - NBD_CMD_READ = 0, - NBD_CMD_WRITE = 1, - NBD_CMD_DISC = 2, - NBD_CMD_FLUSH = 3, - NBD_CMD_TRIM = 4 -}; - -#define NBD_DEFAULT_PORT 10809 - -/* Maximum size of a single READ/WRITE data buffer */ -#define NBD_MAX_BUFFER_SIZE (32 * 1024 * 1024) - -ssize_t nbd_wr_syncv(QIOChannel *ioc, - struct iovec *iov, - size_t niov, - size_t offset, - size_t length, - bool do_read); -int nbd_receive_negotiate(QIOChannel *ioc, const char *name, uint32_t *flags, - QCryptoTLSCreds *tlscreds, const char *hostname, - QIOChannel **outioc, - off_t *size, Error **errp); -int nbd_init(int fd, QIOChannelSocket *sioc, uint32_t flags, off_t size); -ssize_t nbd_send_request(QIOChannel *ioc, struct nbd_request *request); -ssize_t nbd_receive_reply(QIOChannel *ioc, struct nbd_reply *reply); -int nbd_client(int fd); -int nbd_disconnect(int fd); - -typedef struct NBDExport NBDExport; -typedef struct NBDClient NBDClient; - -NBDExport *nbd_export_new(BlockBackend *blk, off_t dev_offset, off_t size, - uint32_t nbdflags, void (*close)(NBDExport *), - Error **errp); -void nbd_export_close(NBDExport *exp); -void nbd_export_get(NBDExport *exp); -void nbd_export_put(NBDExport *exp); - -BlockBackend *nbd_export_get_blockdev(NBDExport *exp); - -NBDExport *nbd_export_find(const char *name); -void nbd_export_set_name(NBDExport *exp, const char *name); -void nbd_export_close_all(void); - -void nbd_client_new(NBDExport *exp, - QIOChannelSocket *sioc, - QCryptoTLSCreds *tlscreds, - const char *tlsaclname, - void (*close)(NBDClient *)); -void nbd_client_get(NBDClient *client); -void nbd_client_put(NBDClient *client); - -#endif |