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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/frame.h>
#include "tdxcall.S"
/*
* __seamcall() - Host-side interface functions to SEAM software
* (the P-SEAMLDR or the TDX module).
*
* __seamcall() function ABI:
*
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
* @args (RSI) - struct tdx_module_args for input
*
* Only RCX/RDX/R8-R11 are used as input registers.
*
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
* fails, or the completion status of the SEAMCALL leaf function.
*/
SYM_FUNC_START(__seamcall)
TDX_MODULE_CALL host=1
SYM_FUNC_END(__seamcall)
/*
* __seamcall_ret() - Host-side interface functions to SEAM software
* (the P-SEAMLDR or the TDX module), with saving output registers to
* the 'struct tdx_module_args' used as input.
*
* __seamcall_ret() function ABI:
*
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
* @args (RSI) - struct tdx_module_args for input and output
*
* Only RCX/RDX/R8-R11 are used as input/output registers.
*
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
* fails, or the completion status of the SEAMCALL leaf function.
*/
SYM_FUNC_START(__seamcall_ret)
TDX_MODULE_CALL host=1 ret=1
SYM_FUNC_END(__seamcall_ret)
/*
* __seamcall_saved_ret() - Host-side interface functions to SEAM software
* (the P-SEAMLDR or the TDX module), with saving output registers to the
* 'struct tdx_module_args' used as input.
*
* __seamcall_saved_ret() function ABI:
*
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
* @args (RSI) - struct tdx_module_args for input and output
*
* All registers in @args are used as input/output registers.
*
* Return (via RAX) TDX_SEAMCALL_VMFAILINVALID if the SEAMCALL itself
* fails, or the completion status of the SEAMCALL leaf function.
*/
SYM_FUNC_START(__seamcall_saved_ret)
TDX_MODULE_CALL host=1 ret=1 saved=1
SYM_FUNC_END(__seamcall_saved_ret)
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