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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/linux-headers/scsi/cxlflash_ioctl.h | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/scsi/cxlflash_ioctl.h')
-rw-r--r-- | contrib/libs/linux-headers/scsi/cxlflash_ioctl.h | 552 |
1 files changed, 276 insertions, 276 deletions
diff --git a/contrib/libs/linux-headers/scsi/cxlflash_ioctl.h b/contrib/libs/linux-headers/scsi/cxlflash_ioctl.h index 513da47aa5..acd4c6c9ba 100644 --- a/contrib/libs/linux-headers/scsi/cxlflash_ioctl.h +++ b/contrib/libs/linux-headers/scsi/cxlflash_ioctl.h @@ -1,276 +1,276 @@ -/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ -/* - * CXL Flash Device Driver - * - * Written by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>, IBM Corporation - * Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation - * - * Copyright (C) 2015 IBM Corporation - * - * 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; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _CXLFLASH_IOCTL_H -#define _CXLFLASH_IOCTL_H - -#include <linux/types.h> - -/* - * Structure and definitions for all CXL Flash ioctls - */ -#define CXLFLASH_WWID_LEN 16 - -/* - * Structure and flag definitions CXL Flash superpipe ioctls - */ - -#define DK_CXLFLASH_VERSION_0 0 - -struct dk_cxlflash_hdr { - __u16 version; /* Version data */ - __u16 rsvd[3]; /* Reserved for future use */ - __u64 flags; /* Input flags */ - __u64 return_flags; /* Returned flags */ -}; - -/* - * Return flag definitions available to all superpipe ioctls - * - * Similar to the input flags, these are grown from the bottom-up with the - * intention that ioctl-specific return flag definitions would grow from the - * top-down, allowing the two sets to co-exist. While not required/enforced - * at this time, this provides future flexibility. - */ -#define DK_CXLFLASH_ALL_PORTS_ACTIVE 0x0000000000000001ULL -#define DK_CXLFLASH_APP_CLOSE_ADAP_FD 0x0000000000000002ULL -#define DK_CXLFLASH_CONTEXT_SQ_CMD_MODE 0x0000000000000004ULL - -/* - * General Notes: - * ------------- - * The 'context_id' field of all ioctl structures contains the context - * identifier for a context in the lower 32-bits (upper 32-bits are not - * to be used when identifying a context to the AFU). That said, the value - * in its entirety (all 64-bits) is to be treated as an opaque cookie and - * should be presented as such when issuing ioctls. - */ - -/* - * DK_CXLFLASH_ATTACH Notes: - * ------------------------ - * Read/write access permissions are specified via the O_RDONLY, O_WRONLY, - * and O_RDWR flags defined in the fcntl.h header file. - * - * A valid adapter file descriptor (fd >= 0) is only returned on the initial - * attach (successful) of a context. When a context is shared(reused), the user - * is expected to already 'know' the adapter file descriptor associated with the - * context. - */ -#define DK_CXLFLASH_ATTACH_REUSE_CONTEXT 0x8000000000000000ULL - -struct dk_cxlflash_attach { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 num_interrupts; /* Requested number of interrupts */ - __u64 context_id; /* Returned context */ - __u64 mmio_size; /* Returned size of MMIO area */ - __u64 block_size; /* Returned block size, in bytes */ - __u64 adap_fd; /* Returned adapter file descriptor */ - __u64 last_lba; /* Returned last LBA on the device */ - __u64 max_xfer; /* Returned max transfer size, blocks */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -struct dk_cxlflash_detach { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context to detach */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -struct dk_cxlflash_udirect { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context to own physical resources */ - __u64 rsrc_handle; /* Returned resource handle */ - __u64 last_lba; /* Returned last LBA on the device */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -#define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME 0x8000000000000000ULL - -struct dk_cxlflash_uvirtual { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context to own virtual resources */ - __u64 lun_size; /* Requested size, in 4K blocks */ - __u64 rsrc_handle; /* Returned resource handle */ - __u64 last_lba; /* Returned last LBA of LUN */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -struct dk_cxlflash_release { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context owning resources */ - __u64 rsrc_handle; /* Resource handle to release */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -struct dk_cxlflash_resize { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context owning resources */ - __u64 rsrc_handle; /* Resource handle of LUN to resize */ - __u64 req_size; /* New requested size, in 4K blocks */ - __u64 last_lba; /* Returned last LBA of LUN */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -struct dk_cxlflash_clone { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id_src; /* Context to clone from */ - __u64 context_id_dst; /* Context to clone to */ - __u64 adap_fd_src; /* Source context adapter fd */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -#define DK_CXLFLASH_VERIFY_SENSE_LEN 18 -#define DK_CXLFLASH_VERIFY_HINT_SENSE 0x8000000000000000ULL - -struct dk_cxlflash_verify { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 context_id; /* Context owning resources to verify */ - __u64 rsrc_handle; /* Resource handle of LUN */ - __u64 hint; /* Reasons for verify */ - __u64 last_lba; /* Returned last LBA of device */ - __u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; /* SCSI sense data */ - __u8 pad[6]; /* Pad to next 8-byte boundary */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -#define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET 0x8000000000000000ULL - -struct dk_cxlflash_recover_afu { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u64 reason; /* Reason for recovery request */ - __u64 context_id; /* Context to recover / updated ID */ - __u64 mmio_size; /* Returned size of MMIO area */ - __u64 adap_fd; /* Returned adapter file descriptor */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -#define DK_CXLFLASH_MANAGE_LUN_WWID_LEN CXLFLASH_WWID_LEN -#define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE 0x8000000000000000ULL -#define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE 0x4000000000000000ULL -#define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE 0x2000000000000000ULL - -struct dk_cxlflash_manage_lun { - struct dk_cxlflash_hdr hdr; /* Common fields */ - __u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN]; /* Page83 WWID, NAA-6 */ - __u64 reserved[8]; /* Rsvd, future use */ -}; - -union cxlflash_ioctls { - struct dk_cxlflash_attach attach; - struct dk_cxlflash_detach detach; - struct dk_cxlflash_udirect udirect; - struct dk_cxlflash_uvirtual uvirtual; - struct dk_cxlflash_release release; - struct dk_cxlflash_resize resize; - struct dk_cxlflash_clone clone; - struct dk_cxlflash_verify verify; - struct dk_cxlflash_recover_afu recover_afu; - struct dk_cxlflash_manage_lun manage_lun; -}; - -#define MAX_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ioctls)) - -#define CXL_MAGIC 0xCA -#define CXL_IOWR(_n, _s) _IOWR(CXL_MAGIC, _n, struct _s) - -/* - * CXL Flash superpipe ioctls start at base of the reserved CXL_MAGIC - * region (0x80) and grow upwards. - */ -#define DK_CXLFLASH_ATTACH CXL_IOWR(0x80, dk_cxlflash_attach) -#define DK_CXLFLASH_USER_DIRECT CXL_IOWR(0x81, dk_cxlflash_udirect) -#define DK_CXLFLASH_RELEASE CXL_IOWR(0x82, dk_cxlflash_release) -#define DK_CXLFLASH_DETACH CXL_IOWR(0x83, dk_cxlflash_detach) -#define DK_CXLFLASH_VERIFY CXL_IOWR(0x84, dk_cxlflash_verify) -#define DK_CXLFLASH_RECOVER_AFU CXL_IOWR(0x85, dk_cxlflash_recover_afu) -#define DK_CXLFLASH_MANAGE_LUN CXL_IOWR(0x86, dk_cxlflash_manage_lun) -#define DK_CXLFLASH_USER_VIRTUAL CXL_IOWR(0x87, dk_cxlflash_uvirtual) -#define DK_CXLFLASH_VLUN_RESIZE CXL_IOWR(0x88, dk_cxlflash_resize) -#define DK_CXLFLASH_VLUN_CLONE CXL_IOWR(0x89, dk_cxlflash_clone) - -/* - * Structure and flag definitions CXL Flash host ioctls - */ - -#define HT_CXLFLASH_VERSION_0 0 - -struct ht_cxlflash_hdr { - __u16 version; /* Version data */ - __u16 subcmd; /* Sub-command */ - __u16 rsvd[2]; /* Reserved for future use */ - __u64 flags; /* Input flags */ - __u64 return_flags; /* Returned flags */ -}; - -/* - * Input flag definitions available to all host ioctls - * - * These are grown from the bottom-up with the intention that ioctl-specific - * input flag definitions would grow from the top-down, allowing the two sets - * to co-exist. While not required/enforced at this time, this provides future - * flexibility. - */ -#define HT_CXLFLASH_HOST_READ 0x0000000000000000ULL -#define HT_CXLFLASH_HOST_WRITE 0x0000000000000001ULL - -#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_CREATE_LUN 0x0001 -#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_DELETE_LUN 0x0002 -#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_QUERY_PORT 0x0003 - -struct ht_cxlflash_lun_provision { - struct ht_cxlflash_hdr hdr; /* Common fields */ - __u16 port; /* Target port for provision request */ - __u16 reserved16[3]; /* Reserved for future use */ - __u64 size; /* Size of LUN (4K blocks) */ - __u64 lun_id; /* SCSI LUN ID */ - __u8 wwid[CXLFLASH_WWID_LEN];/* Page83 WWID, NAA-6 */ - __u64 max_num_luns; /* Maximum number of LUNs provisioned */ - __u64 cur_num_luns; /* Current number of LUNs provisioned */ - __u64 max_cap_port; /* Total capacity for port (4K blocks) */ - __u64 cur_cap_port; /* Current capacity for port (4K blocks) */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -#define HT_CXLFLASH_AFU_DEBUG_MAX_DATA_LEN 262144 /* 256K */ -#define HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN 12 -struct ht_cxlflash_afu_debug { - struct ht_cxlflash_hdr hdr; /* Common fields */ - __u8 reserved8[4]; /* Reserved for future use */ - __u8 afu_subcmd[HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN]; /* AFU subcommand, - * (pass through) - */ - __u64 data_ea; /* Data buffer effective address */ - __u32 data_len; /* Data buffer length */ - __u32 reserved32; /* Reserved for future use */ - __u64 reserved[8]; /* Reserved for future use */ -}; - -union cxlflash_ht_ioctls { - struct ht_cxlflash_lun_provision lun_provision; - struct ht_cxlflash_afu_debug afu_debug; -}; - -#define MAX_HT_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ht_ioctls)) - -/* - * CXL Flash host ioctls start at the top of the reserved CXL_MAGIC - * region (0xBF) and grow downwards. - */ -#define HT_CXLFLASH_LUN_PROVISION CXL_IOWR(0xBF, ht_cxlflash_lun_provision) -#define HT_CXLFLASH_AFU_DEBUG CXL_IOWR(0xBE, ht_cxlflash_afu_debug) - - -#endif /* ifndef _CXLFLASH_IOCTL_H */ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * CXL Flash Device Driver + * + * Written by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>, IBM Corporation + * Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation + * + * Copyright (C) 2015 IBM Corporation + * + * 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; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _CXLFLASH_IOCTL_H +#define _CXLFLASH_IOCTL_H + +#include <linux/types.h> + +/* + * Structure and definitions for all CXL Flash ioctls + */ +#define CXLFLASH_WWID_LEN 16 + +/* + * Structure and flag definitions CXL Flash superpipe ioctls + */ + +#define DK_CXLFLASH_VERSION_0 0 + +struct dk_cxlflash_hdr { + __u16 version; /* Version data */ + __u16 rsvd[3]; /* Reserved for future use */ + __u64 flags; /* Input flags */ + __u64 return_flags; /* Returned flags */ +}; + +/* + * Return flag definitions available to all superpipe ioctls + * + * Similar to the input flags, these are grown from the bottom-up with the + * intention that ioctl-specific return flag definitions would grow from the + * top-down, allowing the two sets to co-exist. While not required/enforced + * at this time, this provides future flexibility. + */ +#define DK_CXLFLASH_ALL_PORTS_ACTIVE 0x0000000000000001ULL +#define DK_CXLFLASH_APP_CLOSE_ADAP_FD 0x0000000000000002ULL +#define DK_CXLFLASH_CONTEXT_SQ_CMD_MODE 0x0000000000000004ULL + +/* + * General Notes: + * ------------- + * The 'context_id' field of all ioctl structures contains the context + * identifier for a context in the lower 32-bits (upper 32-bits are not + * to be used when identifying a context to the AFU). That said, the value + * in its entirety (all 64-bits) is to be treated as an opaque cookie and + * should be presented as such when issuing ioctls. + */ + +/* + * DK_CXLFLASH_ATTACH Notes: + * ------------------------ + * Read/write access permissions are specified via the O_RDONLY, O_WRONLY, + * and O_RDWR flags defined in the fcntl.h header file. + * + * A valid adapter file descriptor (fd >= 0) is only returned on the initial + * attach (successful) of a context. When a context is shared(reused), the user + * is expected to already 'know' the adapter file descriptor associated with the + * context. + */ +#define DK_CXLFLASH_ATTACH_REUSE_CONTEXT 0x8000000000000000ULL + +struct dk_cxlflash_attach { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 num_interrupts; /* Requested number of interrupts */ + __u64 context_id; /* Returned context */ + __u64 mmio_size; /* Returned size of MMIO area */ + __u64 block_size; /* Returned block size, in bytes */ + __u64 adap_fd; /* Returned adapter file descriptor */ + __u64 last_lba; /* Returned last LBA on the device */ + __u64 max_xfer; /* Returned max transfer size, blocks */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +struct dk_cxlflash_detach { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context to detach */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +struct dk_cxlflash_udirect { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context to own physical resources */ + __u64 rsrc_handle; /* Returned resource handle */ + __u64 last_lba; /* Returned last LBA on the device */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +#define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME 0x8000000000000000ULL + +struct dk_cxlflash_uvirtual { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context to own virtual resources */ + __u64 lun_size; /* Requested size, in 4K blocks */ + __u64 rsrc_handle; /* Returned resource handle */ + __u64 last_lba; /* Returned last LBA of LUN */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +struct dk_cxlflash_release { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context owning resources */ + __u64 rsrc_handle; /* Resource handle to release */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +struct dk_cxlflash_resize { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context owning resources */ + __u64 rsrc_handle; /* Resource handle of LUN to resize */ + __u64 req_size; /* New requested size, in 4K blocks */ + __u64 last_lba; /* Returned last LBA of LUN */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +struct dk_cxlflash_clone { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id_src; /* Context to clone from */ + __u64 context_id_dst; /* Context to clone to */ + __u64 adap_fd_src; /* Source context adapter fd */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +#define DK_CXLFLASH_VERIFY_SENSE_LEN 18 +#define DK_CXLFLASH_VERIFY_HINT_SENSE 0x8000000000000000ULL + +struct dk_cxlflash_verify { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 context_id; /* Context owning resources to verify */ + __u64 rsrc_handle; /* Resource handle of LUN */ + __u64 hint; /* Reasons for verify */ + __u64 last_lba; /* Returned last LBA of device */ + __u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; /* SCSI sense data */ + __u8 pad[6]; /* Pad to next 8-byte boundary */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +#define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET 0x8000000000000000ULL + +struct dk_cxlflash_recover_afu { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u64 reason; /* Reason for recovery request */ + __u64 context_id; /* Context to recover / updated ID */ + __u64 mmio_size; /* Returned size of MMIO area */ + __u64 adap_fd; /* Returned adapter file descriptor */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +#define DK_CXLFLASH_MANAGE_LUN_WWID_LEN CXLFLASH_WWID_LEN +#define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE 0x8000000000000000ULL +#define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE 0x4000000000000000ULL +#define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE 0x2000000000000000ULL + +struct dk_cxlflash_manage_lun { + struct dk_cxlflash_hdr hdr; /* Common fields */ + __u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN]; /* Page83 WWID, NAA-6 */ + __u64 reserved[8]; /* Rsvd, future use */ +}; + +union cxlflash_ioctls { + struct dk_cxlflash_attach attach; + struct dk_cxlflash_detach detach; + struct dk_cxlflash_udirect udirect; + struct dk_cxlflash_uvirtual uvirtual; + struct dk_cxlflash_release release; + struct dk_cxlflash_resize resize; + struct dk_cxlflash_clone clone; + struct dk_cxlflash_verify verify; + struct dk_cxlflash_recover_afu recover_afu; + struct dk_cxlflash_manage_lun manage_lun; +}; + +#define MAX_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ioctls)) + +#define CXL_MAGIC 0xCA +#define CXL_IOWR(_n, _s) _IOWR(CXL_MAGIC, _n, struct _s) + +/* + * CXL Flash superpipe ioctls start at base of the reserved CXL_MAGIC + * region (0x80) and grow upwards. + */ +#define DK_CXLFLASH_ATTACH CXL_IOWR(0x80, dk_cxlflash_attach) +#define DK_CXLFLASH_USER_DIRECT CXL_IOWR(0x81, dk_cxlflash_udirect) +#define DK_CXLFLASH_RELEASE CXL_IOWR(0x82, dk_cxlflash_release) +#define DK_CXLFLASH_DETACH CXL_IOWR(0x83, dk_cxlflash_detach) +#define DK_CXLFLASH_VERIFY CXL_IOWR(0x84, dk_cxlflash_verify) +#define DK_CXLFLASH_RECOVER_AFU CXL_IOWR(0x85, dk_cxlflash_recover_afu) +#define DK_CXLFLASH_MANAGE_LUN CXL_IOWR(0x86, dk_cxlflash_manage_lun) +#define DK_CXLFLASH_USER_VIRTUAL CXL_IOWR(0x87, dk_cxlflash_uvirtual) +#define DK_CXLFLASH_VLUN_RESIZE CXL_IOWR(0x88, dk_cxlflash_resize) +#define DK_CXLFLASH_VLUN_CLONE CXL_IOWR(0x89, dk_cxlflash_clone) + +/* + * Structure and flag definitions CXL Flash host ioctls + */ + +#define HT_CXLFLASH_VERSION_0 0 + +struct ht_cxlflash_hdr { + __u16 version; /* Version data */ + __u16 subcmd; /* Sub-command */ + __u16 rsvd[2]; /* Reserved for future use */ + __u64 flags; /* Input flags */ + __u64 return_flags; /* Returned flags */ +}; + +/* + * Input flag definitions available to all host ioctls + * + * These are grown from the bottom-up with the intention that ioctl-specific + * input flag definitions would grow from the top-down, allowing the two sets + * to co-exist. While not required/enforced at this time, this provides future + * flexibility. + */ +#define HT_CXLFLASH_HOST_READ 0x0000000000000000ULL +#define HT_CXLFLASH_HOST_WRITE 0x0000000000000001ULL + +#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_CREATE_LUN 0x0001 +#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_DELETE_LUN 0x0002 +#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_QUERY_PORT 0x0003 + +struct ht_cxlflash_lun_provision { + struct ht_cxlflash_hdr hdr; /* Common fields */ + __u16 port; /* Target port for provision request */ + __u16 reserved16[3]; /* Reserved for future use */ + __u64 size; /* Size of LUN (4K blocks) */ + __u64 lun_id; /* SCSI LUN ID */ + __u8 wwid[CXLFLASH_WWID_LEN];/* Page83 WWID, NAA-6 */ + __u64 max_num_luns; /* Maximum number of LUNs provisioned */ + __u64 cur_num_luns; /* Current number of LUNs provisioned */ + __u64 max_cap_port; /* Total capacity for port (4K blocks) */ + __u64 cur_cap_port; /* Current capacity for port (4K blocks) */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +#define HT_CXLFLASH_AFU_DEBUG_MAX_DATA_LEN 262144 /* 256K */ +#define HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN 12 +struct ht_cxlflash_afu_debug { + struct ht_cxlflash_hdr hdr; /* Common fields */ + __u8 reserved8[4]; /* Reserved for future use */ + __u8 afu_subcmd[HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN]; /* AFU subcommand, + * (pass through) + */ + __u64 data_ea; /* Data buffer effective address */ + __u32 data_len; /* Data buffer length */ + __u32 reserved32; /* Reserved for future use */ + __u64 reserved[8]; /* Reserved for future use */ +}; + +union cxlflash_ht_ioctls { + struct ht_cxlflash_lun_provision lun_provision; + struct ht_cxlflash_afu_debug afu_debug; +}; + +#define MAX_HT_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ht_ioctls)) + +/* + * CXL Flash host ioctls start at the top of the reserved CXL_MAGIC + * region (0xBF) and grow downwards. + */ +#define HT_CXLFLASH_LUN_PROVISION CXL_IOWR(0xBF, ht_cxlflash_lun_provision) +#define HT_CXLFLASH_AFU_DEBUG CXL_IOWR(0xBE, ht_cxlflash_afu_debug) + + +#endif /* ifndef _CXLFLASH_IOCTL_H */ |