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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sparc/include/uapi/asm/oradax.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | arch/sparc/include/uapi/asm/oradax.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sparc/include/uapi/asm/oradax.h b/arch/sparc/include/uapi/asm/oradax.h new file mode 100644 index 0000000000..0dace69058 --- /dev/null +++ b/arch/sparc/include/uapi/asm/oradax.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */ +/* + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + */ + +/* + * Oracle DAX driver API definitions + */ + +#ifndef _ORADAX_H +#define _ORADAX_H + +#include <linux/types.h> + +#define CCB_KILL 0 +#define CCB_INFO 1 +#define CCB_DEQUEUE 2 + +struct dax_command { + __u16 command; /* CCB_KILL/INFO/DEQUEUE */ + __u16 ca_offset; /* offset into mmapped completion area */ +}; + +struct ccb_kill_result { + __u16 action; /* action taken to kill ccb */ +}; + +struct ccb_info_result { + __u16 state; /* state of enqueued ccb */ + __u16 inst_num; /* dax instance number of enqueued ccb */ + __u16 q_num; /* queue number of enqueued ccb */ + __u16 q_pos; /* ccb position in queue */ +}; + +struct ccb_exec_result { + __u64 status_data; /* additional status data (e.g. bad VA) */ + __u32 status; /* one of DAX_SUBMIT_* */ +}; + +union ccb_result { + struct ccb_exec_result exec; + struct ccb_info_result info; + struct ccb_kill_result kill; +}; + +#define DAX_MMAP_LEN (16 * 1024) +#define DAX_MAX_CCBS 15 +#define DAX_CCB_BUF_MAXLEN (DAX_MAX_CCBS * 64) +#define DAX_NAME "oradax" + +/* CCB_EXEC status */ +#define DAX_SUBMIT_OK 0 +#define DAX_SUBMIT_ERR_RETRY 1 +#define DAX_SUBMIT_ERR_WOULDBLOCK 2 +#define DAX_SUBMIT_ERR_BUSY 3 +#define DAX_SUBMIT_ERR_THR_INIT 4 +#define DAX_SUBMIT_ERR_ARG_INVAL 5 +#define DAX_SUBMIT_ERR_CCB_INVAL 6 +#define DAX_SUBMIT_ERR_NO_CA_AVAIL 7 +#define DAX_SUBMIT_ERR_CCB_ARR_MMU_MISS 8 +#define DAX_SUBMIT_ERR_NOMAP 9 +#define DAX_SUBMIT_ERR_NOACCESS 10 +#define DAX_SUBMIT_ERR_TOOMANY 11 +#define DAX_SUBMIT_ERR_UNAVAIL 12 +#define DAX_SUBMIT_ERR_INTERNAL 13 + +/* CCB_INFO states - must match HV_CCB_STATE_* definitions */ +#define DAX_CCB_COMPLETED 0 +#define DAX_CCB_ENQUEUED 1 +#define DAX_CCB_INPROGRESS 2 +#define DAX_CCB_NOTFOUND 3 + +/* CCB_KILL actions - must match HV_CCB_KILL_* definitions */ +#define DAX_KILL_COMPLETED 0 +#define DAX_KILL_DEQUEUED 1 +#define DAX_KILL_KILLED 2 +#define DAX_KILL_NOTFOUND 3 + +#endif /* _ORADAX_H */ |