diff options
| author | Pratik Patel <pratikp@codeaurora.org> | 2014-09-01 10:04:34 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:12:06 -0700 |
| commit | ebce13ea36f54efcb366c562deb0c1bd3d81e688 (patch) | |
| tree | 8e98747fb7e83a7d154d47d531e4b8b7f00dbab0 /include/soc | |
| parent | 240d67c2b05d5e3e0e358d7c607b531b65eb8b51 (diff) | |
soc: qcom: hvc: add hypervisor call support
Add API support for calling into the hypervisor. This will allow
various drivers to avail hypervisor services.
Change-Id: I0a0e8f8fe13a550ad20c5421b712e207933c82f3
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
[pdaly@codeaurora.org Resolve minor conflicts]
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Diffstat (limited to 'include/soc')
| -rw-r--r-- | include/soc/qcom/hvc.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/soc/qcom/hvc.h b/include/soc/qcom/hvc.h new file mode 100644 index 000000000000..435729b13490 --- /dev/null +++ b/include/soc/qcom/hvc.h @@ -0,0 +1,58 @@ +/* Copyright (c) 2014, The Linux Foundation. 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 version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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. + */ + +#ifndef __MSM_HVC_H +#define __MSM_HVC_H + +#ifdef CONFIG_ARM64 +#define HVC_FN_ARM_BASE 0xC0000000 +#define HVC_FN_CPU_BASE 0xC1000000 +#define HVC_FN_SIP_BASE 0xC2000000 +#define HVC_FN_OEM_BASE 0xC3000000 +#define HVC_FN_APP_BASE 0xF0000000 +#define HVC_FN_OS_BASE 0xF2000000 +#else +#define HVC_FN_ARM_BASE 0x80000000 +#define HVC_FN_CPU_BASE 0x81000000 +#define HVC_FN_SIP_BASE 0x82000000 +#define HVC_FN_OEM_BASE 0x83000000 +#define HVC_FN_APP_BASE 0xB0000000 +#define HVC_FN_OS_BASE 0xB2000000 +#endif + +#define HVC_FN_ARM(n) (HVC_FN_ARM_BASE + (n)) +#define HVC_FN_CPU(n) (HVC_FN_CPU_BASE + (n)) +#define HVC_FN_SIP(n) (HVC_FN_SIP_BASE + (n)) +#define HVC_FN_OEM(n) (HVC_FN_OEM_BASE + (n)) +#define HVC_FN_APP(n) (HVC_FN_APP_BASE + (n)) +#define HVC_FN_OS(n) (HVC_FN_OS_BASE + (n)) + +#define HVC_MAX_ARGS 6 +#define HVC_MAX_RETS 3 +#define HVC_MAX_EXTRA_ARGS 4 + +struct hvc_desc { + u64 arg[HVC_MAX_ARGS]; + u64 ret[HVC_MAX_RETS]; +}; + +struct hvc_extra_args { + u64 arg[HVC_MAX_EXTRA_ARGS]; +}; + +#ifdef CONFIG_MSM_HVC +extern int hvc(u64 func_id, struct hvc_desc *desc); +#else +static inline int hvc(u64 func_id, struct hvc_desc *desc) { return 0; } +#endif + +#endif |