diff options
Diffstat (limited to 'arch/sparc/include/uapi/asm')
| -rw-r--r-- | arch/sparc/include/uapi/asm/oradax.h | 91 | ||||
| -rw-r--r-- | arch/sparc/include/uapi/asm/poll.h | 28 |
2 files changed, 115 insertions, 4 deletions
diff --git a/arch/sparc/include/uapi/asm/oradax.h b/arch/sparc/include/uapi/asm/oradax.h new file mode 100644 index 000000000000..722951908b0a --- /dev/null +++ b/arch/sparc/include/uapi/asm/oradax.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + * + * 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 3 of the License, or + * (at your option) any later version. + * + * 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/>. + */ + +/* + * 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 */ diff --git a/arch/sparc/include/uapi/asm/poll.h b/arch/sparc/include/uapi/asm/poll.h index 72356c999125..2a81e79aa3ea 100644 --- a/arch/sparc/include/uapi/asm/poll.h +++ b/arch/sparc/include/uapi/asm/poll.h @@ -2,11 +2,31 @@ #ifndef __SPARC_POLL_H #define __SPARC_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 256 -#define POLLMSG 512 -#define POLLREMOVE 1024 -#define POLLRDHUP 2048 +#define POLLWRBAND (__force __poll_t)256 +#define POLLMSG (__force __poll_t)512 +#define POLLREMOVE (__force __poll_t)1024 +#define POLLRDHUP (__force __poll_t)2048 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2, bit 13 -> bit 11 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6) | + ((v & 0x2000) >> 2); + + +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6) | ((v & 0x800) << 2)); +} +#endif #include <asm-generic/poll.h> |
