/*- * SPDX-License-Identifier: Beerware * * ---------------------------------------------------------------------------- * "THE BEER-WARE LICENSE" (Revision 42): * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you * can do whatever you want with this stuff. If we meet some day, and you think * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp * ---------------------------------------------------------------------------- * */ #ifndef _SYS_DISK_H_ #define _SYS_DISK_H_ #include <sys/ioccom.h> #include <sys/kerneldump.h> #include <sys/types.h> #include <sys/disk_zone.h> #include <sys/socket.h> #ifdef _KERNEL void disk_err(struct bio *bp, const char *what, int blkdone, int nl); #endif #define DIOCGSECTORSIZE _IOR('d', 128, u_int) /* * Get the sector size of the device in bytes. The sector size is the * smallest unit of data which can be transferred from this device. * Usually this is a power of 2 but it might not be (i.e. CDROM audio). */ #define DIOCGMEDIASIZE _IOR('d', 129, off_t) /* Get media size in bytes */ /* * Get the size of the entire device in bytes. This should be a * multiple of the sector size. */ #define DIOCGFWSECTORS _IOR('d', 130, u_int) /* Get firmware's sectorcount */ /* * Get the firmware's notion of number of sectors per track. This * value is mostly used for compatibility with various ill designed * disk label formats. Don't use it unless you have to. */ #define DIOCGFWHEADS _IOR('d', 131, u_int) /* Get firmware's headcount */ /* * Get the firmwares notion of number of heads per cylinder. This * value is mostly used for compatibility with various ill designed * disk label formats. Don't use it unless you have to. */ #define DIOCGFLUSH _IO('d', 135) /* Flush write cache */ /* * Flush write cache of the device. */ #define DIOCGDELETE _IOW('d', 136, off_t[2]) /* Delete data */ /* * Mark data on the device as unused. */ #define DISK_IDENT_SIZE 256 #define DIOCGIDENT _IOR('d', 137, char[DISK_IDENT_SIZE]) /*- * Get the ident of the given provider. Ident is (most of the time) * a uniqe and fixed provider's identifier. Ident's properties are as * follow: * - ident value is preserved between reboots, * - provider can be detached/attached and ident is preserved, * - provider's name can change - ident can't, * - ident value should not be based on on-disk metadata; in other * words copying whole data from one disk to another should not * yield the same ident for the other disk, * - there could be more than one provider with the same ident, but * only if they point at exactly the same physical storage, this is * the case for multipathing for example, * - GEOM classes that consumes single providers and provide single * providers, like geli, should just attach class name to the * ident of the underlying provider, * - ident is an ASCII string (is printable), * - ident is optional and applications can't relay on its presence. */ #define DIOCGPROVIDERNAME _IOR('d', 138, char[MAXPATHLEN]) /* * Store the provider name, given a device path, in a buffer. The buffer * must be at least MAXPATHLEN bytes long. */ #define DIOCGSTRIPESIZE _IOR('d', 139, off_t) /* Get stripe size in bytes */ /* * Get the size of the device's optimal access block in bytes. * This should be a multiple of the sector size. */ #define DIOCGSTRIPEOFFSET _IOR('d', 140, off_t) /* Get stripe offset in bytes */ /* * Get the offset of the first device's optimal access block in bytes. * This should be a multiple of the sector size. */ #define DIOCGPHYSPATH _IOR('d', 141, char[MAXPATHLEN]) /* * Get a string defining the physical path for a given provider. * This has similar rules to ident, but is intended to uniquely * identify the physical location of the device, not the current * occupant of that location. */ struct diocgattr_arg { char name[64]; int len; union { char str[DISK_IDENT_SIZE]; off_t off; int i; uint16_t u16; } value; }; #define DIOCGATTR _IOWR('d', 142, struct diocgattr_arg) #define DIOCZONECMD _IOWR('d', 143, struct disk_zone_args) #ifndef WITHOUT_NETDUMP #include <net/if.h> #include <netinet/in.h> union kd_ip { struct in_addr in4; struct in6_addr in6; }; /* * Sentinel values for kda_index. * * If kda_index is KDA_REMOVE_ALL, all dump configurations are cleared. * * If kda_index is KDA_REMOVE_DEV, all dump configurations for the specified * device are cleared. * * If kda_index is KDA_REMOVE, only the specified dump configuration for the * given device is removed from the list of fallback dump configurations. * * If kda_index is KDA_APPEND, the dump configuration is added after all * existing dump configurations. * * Otherwise, the new configuration is inserted into the fallback dump list at * index 'kda_index'. */ #define KDA_REMOVE UINT8_MAX #define KDA_REMOVE_ALL (UINT8_MAX - 1) #define KDA_REMOVE_DEV (UINT8_MAX - 2) #define KDA_APPEND (UINT8_MAX - 3) struct diocskerneldump_arg { uint8_t kda_index; uint8_t kda_compression; uint8_t kda_encryption; uint8_t kda_key[KERNELDUMP_KEY_MAX_SIZE]; uint32_t kda_encryptedkeysize; uint8_t *kda_encryptedkey; char kda_iface[IFNAMSIZ]; union kd_ip kda_server; union kd_ip kda_client; union kd_ip kda_gateway; uint8_t kda_af; }; #define DIOCSKERNELDUMP _IOW('d', 145, struct diocskerneldump_arg) /* * Enable/Disable the device for kernel core dumps. */ #define DIOCGKERNELDUMP _IOWR('d', 146, struct diocskerneldump_arg) /* * Get current kernel netdump configuration details for a given index. */ #endif #endif /* _SYS_DISK_H_ */
