19 Feb
2020
19 Feb
'20
6:18 p.m.
On 2/19/20 1:25 PM, chee.hong.ang@intel.com 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 ?