On 2/19/20 1:25 PM, [email protected] wrote: [...] > +++ b/include/linux/intel-smc.h > @@ -0,0 +1,374 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (C) 2017-2018, Intel Corporation
2020 ? [...] > + */ > +#define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF > +#define INTEL_SIP_SMC_STATUS_OK 0x0 > +#define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_BUSY 0x1 > +#define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_REJECTED 0x2 > +#define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_ERROR 0x4 > +#define INTEL_SIP_SMC_REG_ERROR 0x5 > +#define INTEL_SIP_SMC_RSU_ERROR 0x7 Indent with tabs [...] > +/* > + * Request INTEL_SIP_SMC_MBOX_SEND_CMD > + * > + * Sync call used by service driver at EL1 to send mailbox command to SDM > + * > + * Call register usage: > + * a0 INTEL_SIP_SMC_MBOX_SEND_CMD > + * a1 Mailbox command > + * a2 64bit physical address pointer to command's arguments > + * a3 Length of the argument > + * a4 Urgent command enable = 1 / disable = 0 > + * a5 64bit physical address pointer to a buffer for receiving responses > + * a6 Length of the buffer > + * > + * Return status > + * a0 INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_RSU_ERROR. > + * a1 Status of mailbox response > + * a2 64bit physical address pointer to a buffer for receiving responses > + * a3 Received length in the buffer > + */ > +#define INTEL_SIP_SMC_FUNCID_MBOX_SEND_CMD 30 > +#define INTEL_SIP_SMC_MBOX_SEND_CMD \ > + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_MBOX_SEND_CMD) Is this macro a function call or a value ?
