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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-02 15:36:20 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-02 15:36:20 +1000 |
commit | 1d880992fd8c8457a2d990ac6622cfd58fb1b261 (patch) | |
tree | c4c843b12e96b5612c315db5a23c5da1a900618c /include/fsp-sysparam.h | |
download | skiboot-1d880992fd8c8457a2d990ac6622cfd58fb1b261.zip skiboot-1d880992fd8c8457a2d990ac6622cfd58fb1b261.tar.gz skiboot-1d880992fd8c8457a2d990ac6622cfd58fb1b261.tar.bz2 |
Initial commit of Open Source release
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'include/fsp-sysparam.h')
-rw-r--r-- | include/fsp-sysparam.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/fsp-sysparam.h b/include/fsp-sysparam.h new file mode 100644 index 0000000..1a7a472 --- /dev/null +++ b/include/fsp-sysparam.h @@ -0,0 +1,57 @@ +/* Copyright 2013-2014 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef __FSP_SYSPARAM_H +#define __FSP_SYSPARAM_H + +/* System parameter numbers used in the protocol + * + * these are the only ones we care about right now + */ +#define SYS_PARAM_SURV 0xf0000001 +#define SYS_PARAM_HMC_MANAGED 0xf0000003 +#define SYS_PARAM_FLASH_POLICY 0xf0000012 +#define SYS_PARAM_NEED_HMC 0xf0000016 +#define SYS_PARAM_FW_LICENSE 0xf000001d +#define SYS_PARAM_WWPN 0xf0000023 +#define SYS_PARAM_DEF_BOOT_DEV 0xf0000024 +#define SYS_PARAM_NEXT_BOOT_DEV 0xf0000025 + + + +/* Completion for a sysparam call. err_len is either a negative error + * code or the positive length of the returned data + */ +typedef void (*sysparam_compl_t)(uint32_t param_id, int err_len, void *data); + + +/* Send a sysparam query request. Operation can be synchronous or + * asynchronous: + * + * - synchronous (async_complete is NULL), the result code is either + * a negative error code or a positive returned length. + * + * - asynchronous (async_complete non NULL). The result code is 0 for + * successfully queued request or an error for an immediate error. + * A successfully queued request will complete via the completion + * callback defined above + */ +int fsp_get_sys_param(uint32_t param_id, void *buffer, uint32_t length, + sysparam_compl_t async_complete, void *comp_data); + + +void fsp_sysparam_init(void); + +#endif /* __FSP_SYSPARAM_H */ |