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haven: Add common Haven types and macros

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Add common Haven API types and return values.

Change-Id: I89de261dbb090ee54f0b943bf34cca782a24ce1e
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
This commit is contained in:
Elliot Berman 2020-01-20 09:22:19 -08:00 • committed by Murali Nalajala
commit 77c2c03606
2 changed files with 94 additions and 0 deletions
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18
include/linux/haven/hh_common.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
*/
#ifndef __HH_COMMON_H
#define __HH_COMMON_H
/* Common Haven types */
typedef u16 hh_vmid_t;
typedef u32 hh_rm_msgid_t;
typedef u32 hh_virq_handle_t;
typedef u32 hh_label_t;
typedef u64 hh_capid_t;
typedef u64 hh_dbl_flags_t;
#endif

76
include/linux/haven/hh_errno.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
*/
#ifndef __HH_ERRNO_H
#define __HH_ERRNO_H
#include <linux/errno.h>
#define HH_ERROR_OK 0
#define HH_ERROR_UNIMPLEMENTED -1
#define HH_ERROR_ARG_INVAL 1
#define HH_ERROR_ARG_SIZE 2
#define HH_ERROR_ARG_ALIGN 3
#define HH_ERROR_NOMEM 10
#define HH_ERROR_ADDR_OVFL 20
#define HH_ERROR_ADDR_UNFL 21
#define HH_ERROR_ADDR_INVAL 22
#define HH_ERROR_DENIED 30
#define HH_ERROR_BUSY 31
#define HH_ERROR_IDLE 32
#define HH_ERROR_IRQ_BOUND 40
#define HH_ERROR_IRQ_UNBOUND 41
#define HH_ERROR_CSPACE_CAP_NULL 50
#define HH_ERROR_CSPACE_CAP_REVOKED 51
#define HH_ERROR_CSPACE_WRONG_OBJ_TYPE 52
#define HH_ERROR_CSPACE_INSUF_RIGHTS 53
#define HH_ERROR_CSPACE_FULL 54
/* TODO: Get the correct values for the MSGQ error codes */
#define HH_ERROR_MSGQUEUE_FULL 60
#define HH_ERROR_MSGQUEUE_EMPTY 61
static inline int hh_remap_error(int hh_error)
{
switch (hh_error) {
case HH_ERROR_OK:
return 0;
case HH_ERROR_NOMEM:
return -ENOMEM;
case HH_ERROR_DENIED:
case HH_ERROR_CSPACE_CAP_NULL:
case HH_ERROR_CSPACE_CAP_REVOKED:
case HH_ERROR_CSPACE_WRONG_OBJ_TYPE:
case HH_ERROR_CSPACE_INSUF_RIGHTS:
case HH_ERROR_CSPACE_FULL:
return -EACCES;
case HH_ERROR_BUSY:
case HH_ERROR_IDLE:
return -EBUSY;
case HH_ERROR_IRQ_BOUND:
case HH_ERROR_IRQ_UNBOUND:
case HH_ERROR_MSGQUEUE_FULL:
case HH_ERROR_MSGQUEUE_EMPTY:
return -EPERM;
case HH_ERROR_UNIMPLEMENTED:
case HH_ERROR_ARG_INVAL:
case HH_ERROR_ARG_SIZE:
case HH_ERROR_ARG_ALIGN:
case HH_ERROR_ADDR_OVFL:
case HH_ERROR_ADDR_UNFL:
case HH_ERROR_ADDR_INVAL:
default:
return -EINVAL;
}
}
#endif