/* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2013 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation. * * 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. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * * Intel MIC Host driver. * */ #ifndef _MIC_IOCTL_H_ #define _MIC_IOCTL_H_ #include /* * mic_copy - MIC virtio descriptor copy. * * @iov: An array of IOVEC structures containing user space buffers. * @iovcnt: Number of IOVEC structures in iov. * @vr_idx: The vring index. * @update_used: A non zero value results in used index being updated. * @out_len: The aggregate of the total length written to or read from * the virtio device. */ struct mic_copy_desc { #ifdef __KERNEL__ struct iovec __user *iov; #else struct iovec *iov; #endif __u32 iovcnt; __u8 vr_idx; __u8 update_used; __u32 out_len; }; /* * Add a new virtio device * The (struct mic_device_desc *) pointer points to a device page entry * for the virtio device consisting of: * - struct mic_device_desc * - struct mic_vqconfig (num_vq of these) * - host and guest features * - virtio device config space * The total size referenced by the pointer should equal the size returned * by desc_size() in mic_common.h */ #define MIC_VIRTIO_ADD_DEVICE _IOWR('s', 1, struct mic_device_desc *) /* * Copy the number of entries in the iovec and update the used index * if requested by the user. */ #define MIC_VIRTIO_COPY_DESC _IOWR('s', 2, struct mic_copy_desc *) /* * Notify virtio device of a config change * The (__u8 *) pointer points to config space values for the device * as they should be written into the device page. The total size * referenced by the pointer should equal the config_len field of struct * mic_device_desc. */ #define MIC_VIRTIO_CONFIG_CHANGE _IOWR('s', 5, __u8 *) #endif alue='grep'>log msg
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authorBhumika Goyal <bhumirks@gmail.com>2017-01-25 00:54:07 +0530
committerDan Williams <dan.j.williams@intel.com>2017-01-31 18:16:30 -0800
commit970d14e3989160ee9e97c7d75ecbc893fd29dab9 (patch)
tree4a731cac4efedb17f86a912ec56c151d26792abe /include
parent7a308bb3016f57e5be11a677d15b821536419d36 (diff)
nvdimm: constify device_type structures
Declare device_type structure as const as it is only stored in the type field of a device structure. This field is of type const, so add const to declaration of device_type structure. File size before: text data bss dec hex filename 19278 3199 16 22493 57dd nvdimm/namespace_devs.o File size after: text data bss dec hex filename 19929 3160 16 23105 5a41 nvdimm/namespace_devs.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include')