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-rw-r--r--include/services/spci_svc.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/include/services/spci_svc.h b/include/services/spci_svc.h
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--- /dev/null
+++ b/include/services/spci_svc.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPCI_SVC_H
+#define SPCI_SVC_H
+
+#include <lib/smccc.h>
+#include <lib/utils_def.h>
+#include <tools_share/uuid.h>
+
+/* SPCI error codes. */
+#define SPCI_ERROR_NOT_SUPPORTED -1
+#define SPCI_ERROR_INVALID_PARAMETER -2
+#define SPCI_ERROR_NO_MEMORY -3
+#define SPCI_ERROR_BUSY -4
+#define SPCI_ERROR_INTERRUPTED -5
+#define SPCI_ERROR_DENIED -6
+#define SPCI_ERROR_RETRY -7
+
+/* The macros below are used to identify SPCI calls from the SMC function ID */
+#define SPCI_FNUM_MIN_VALUE U(0x60)
+#define SPCI_FNUM_MAX_VALUE U(0x7f)
+#define is_spci_fid(fid) __extension__ ({ \
+ __typeof__(fid) _fid = (fid); \
+ ((GET_SMC_NUM(_fid) >= SPCI_FNUM_MIN_VALUE) && \
+ (GET_SMC_NUM(_fid) <= SPCI_FNUM_MAX_VALUE)); })
+
+/* SPCI_VERSION helpers */
+#define SPCI_VERSION_MAJOR U(0)
+#define SPCI_VERSION_MAJOR_SHIFT 16
+#define SPCI_VERSION_MAJOR_MASK U(0x7FFF)
+#define SPCI_VERSION_MINOR U(9)
+#define SPCI_VERSION_MINOR_SHIFT 0
+#define SPCI_VERSION_MINOR_MASK U(0xFFFF)
+
+#define MAKE_SPCI_VERSION(major, minor) \
+ ((((major) & SPCI_VERSION_MAJOR_MASK) << SPCI_VERSION_MAJOR_SHIFT) | \
+ (((minor) & SPCI_VERSION_MINOR_MASK) << SPCI_VERSION_MINOR_SHIFT))
+#define SPCI_VERSION_COMPILED MAKE_SPCI_VERSION(SPCI_VERSION_MAJOR, \
+ SPCI_VERSION_MINOR)
+
+/* SPCI_MSG_SEND helpers */
+#define SPCI_MSG_SEND_ATTRS_BLK_SHIFT U(0)
+#define SPCI_MSG_SEND_ATTRS_BLK_MASK U(0x1)
+#define SPCI_MSG_SEND_ATTRS_BLK U(0)
+#define SPCI_MSG_SEND_ATTRS_BLK_NOT U(1)
+#define SPCI_MSG_SEND_ATTRS(blk) \
+ (((blk) & SPCI_MSG_SEND_ATTRS_BLK_MASK) \
+ << SPCI_MSG_SEND_ATTRS_BLK_SHIFT)
+
+/* Get SPCI fastcall std FID from function number */
+#define SPCI_FID(smc_cc, func_num) \
+ ((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) | \
+ ((smc_cc) << FUNCID_CC_SHIFT) | \
+ (OEN_STD_START << FUNCID_OEN_SHIFT) | \
+ ((func_num) << FUNCID_NUM_SHIFT))
+
+/* SPCI function numbers */
+#define SPCI_FNUM_ERROR U(0x60)
+#define SPCI_FNUM_SUCCESS U(0x61)
+#define SPCI_FNUM_INTERRUPT U(0x62)
+#define SPCI_FNUM_VERSION U(0x63)
+#define SPCI_FNUM_FEATURES U(0x64)
+#define SPCI_FNUM_RX_RELEASE U(0x65)
+#define SPCI_FNUM_RXTX_MAP U(0x66)
+#define SPCI_FNUM_RXTX_UNMAP U(0x67)
+#define SPCI_FNUM_PARTITION_INFO_GET U(0x68)
+#define SPCI_FNUM_ID_GET U(0x69)
+#define SPCI_FNUM_MSG_POLL U(0x6A)
+#define SPCI_FNUM_MSG_WAIT U(0x6B)
+#define SPCI_FNUM_MSG_YIELD U(0x6C)
+#define SPCI_FNUM_MSG_RUN U(0x6D)
+#define SPCI_FNUM_MSG_SEND U(0x6E)
+#define SPCI_FNUM_MSG_SEND_DIRECT_REQ U(0x6F)
+#define SPCI_FNUM_MSG_SEND_DIRECT_RESP U(0x70)
+#define SPCI_FNUM_MEM_DONATE U(0x71)
+#define SPCI_FNUM_MEM_LEND U(0x72)
+#define SPCI_FNUM_MEM_SHARE U(0x73)
+#define SPCI_FNUM_MEM_RETRIEVE_REQ U(0x74)
+#define SPCI_FNUM_MEM_RETRIEVE_RESP U(0x75)
+#define SPCI_FNUM_MEM_RELINQUISH U(0x76)
+#define SPCI_FNUM_MEM_RECLAIM U(0x77)
+
+/* SPCI SMC32 FIDs */
+#define SPCI_ERROR SPCI_FID(SMC_32, SPCI_FNUM_ERROR)
+#define SPCI_SUCCESS_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_SUCCESS)
+#define SPCI_INTERRUPT SPCI_FID(SMC_32, SPCI_FNUM_INTERRUPT)
+#define SPCI_VERSION SPCI_FID(SMC_32, SPCI_FNUM_VERSION)
+#define SPCI_FEATURES SPCI_FID(SMC_32, SPCI_FNUM_FEATURES)
+#define SPCI_RX_RELEASE SPCI_FID(SMC_32, SPCI_FNUM_RX_RELEASE)
+#define SPCI_RXTX_MAP_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_RXTX_MAP)
+#define SPCI_RXTX_UNMAP SPCI_FID(SMC_32, SPCI_FNUM_RXTX_UNMAP)
+#define SPCI_PARTITION_INFO_GET SPCI_FID(SMC_32, SPCI_FNUM_PARTITION_INFO_GET)
+#define SPCI_ID_GET SPCI_FID(SMC_32, SPCI_FNUM_ID_GET)
+#define SPCI_MSG_POLL SPCI_FID(SMC_32, SPCI_FNUM_MSG_POLL)
+#define SPCI_MSG_WAIT SPCI_FID(SMC_32, SPCI_FNUM_MSG_WAIT)
+#define SPCI_MSG_YIELD SPCI_FID(SMC_32, SPCI_FNUM_MSG_YIELD)
+#define SPCI_MSG_RUN SPCI_FID(SMC_32, SPCI_FNUM_MSG_RUN)
+#define SPCI_MSG_SEND SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND)
+#define SPCI_MSG_SEND_DIRECT_REQ_SMC32 \
+ SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_REQ)
+#define SPCI_MSG_SEND_DIRECT_RESP_SMC32 \
+ SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_RESP)
+#define SPCI_MEM_DONATE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_DONATE)
+#define SPCI_MEM_LEND_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_LEND)
+#define SPCI_MEM_SHARE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_SHARE)
+#define SPCI_MEM_RETRIEVE_REQ_SMC32 \
+ SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_REQ)
+#define SPCI_MEM_RETRIEVE_RESP SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_RESP)
+#define SPCI_MEM_RELINQUISH SPCI_FID(SMC_32, SPCI_FNUM_MEM_RELINQUISH)
+#define SPCI_MEM_RECLAIM SPCI_FID(SMC_32, SPCI_FNUM_MEM_RECLAIM)
+
+/* SPCI SMC64 FIDs */
+#define SPCI_SUCCESS_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_SUCCESS)
+#define SPCI_RXTX_MAP_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_RXTX_MAP)
+#define SPCI_MSG_SEND_DIRECT_REQ_SMC64 \
+ SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_REQ)
+#define SPCI_MSG_SEND_DIRECT_RESP_SMC64 \
+ SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_RESP)
+#define SPCI_MEM_DONATE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_DONATE)
+#define SPCI_MEM_LEND_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_LEND)
+#define SPCI_MEM_SHARE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_SHARE)
+#define SPCI_MEM_RETRIEVE_REQ_SMC64 \
+ SPCI_FID(SMC_64, SPCI_FNUM_MEM_RETRIEVE_REQ)
+
+/*
+ * Reserve a special value for traffic targeted to the Hypervisor or SPM.
+ */
+#define SPCI_TARGET_INFO_MBZ U(0x0)
+
+/*
+ * Reserve a special value for MBZ parameters.
+ */
+#define SPCI_PARAM_MBZ U(0x0)
+
+#endif /* SPCI_SVC_H */