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https://github.com/ARM-software/arm-trusted-firmware.git
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b04343f3c9
Coverity defects fixed by this patch are: *** CID 400208: Performance inefficiencies (PASS_BY_VALUE) /include/services/el3_spmd_logical_sp.h: 108 in ffa_partition_info_regs_get_last_idx() *** CID 400207: Performance inefficiencies (PASS_BY_VALUE) /services/std_svc/spmd/spmd_logical_sp.c: 359 in ffa_partition_info_regs_get_part_info() Signed-off-by: Raghu Krishnamurthy <raghu.ncstate@gmail.com> Change-Id: I9597377a8ec3d5519995e1619d99ee7102f33939
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/*
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* Copyright (c) 2023, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <common/debug.h>
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#include <services/el3_spmd_logical_sp.h>
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#include <services/ffa_svc.h>
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#include <smccc_helpers.h>
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#define SPMD_LP_PARTITION_ID SPMD_LP_ID_START
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#define SPMD_LP_UUID {0xe98e43ad, 0xb7db524f, 0x47a3bf57, 0x1588f4e3}
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/* SPMD Logical SP currently only supports sending direct message. */
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#define SPMD_PARTITION_PROPERTIES FFA_PARTITION_DIRECT_REQ_SEND
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#define SPMD_LP_MAX_SUPPORTED_SP 10
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static void fvp_get_partition_info(void)
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{
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struct ffa_value ret = { 0 };
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uint32_t target_uuid[4] = { 0 };
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static struct ffa_partition_info_v1_1
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part_info[SPMD_LP_MAX_SUPPORTED_SP] = { 0 };
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uint16_t num_partitions = 0;
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if (!spmd_el3_invoke_partition_info_get(target_uuid, 0, 0, &ret)) {
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panic();
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}
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if (is_ffa_error(&ret)) {
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panic();
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}
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num_partitions = ffa_partition_info_regs_get_last_idx(&ret) + 1;
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if (num_partitions > SPMD_LP_MAX_SUPPORTED_SP) {
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panic();
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}
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INFO("Number of secure partitions = %d\n", num_partitions);
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for (uint16_t i = 0; i < num_partitions; i++) {
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INFO("***Start Partition***\n");
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if (!ffa_partition_info_regs_get_part_info(&ret, i, &part_info[i]))
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panic();
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INFO("\tPartition ID: 0x%x\n", part_info[i].ep_id);
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INFO("\tvCPU count:0x%x\n", part_info[i].execution_ctx_count);
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INFO("\tProperties: 0x%x\n", part_info[i].properties);
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INFO("\tUUID: 0x%x 0x%x 0x%x 0x%x\n", part_info[i].uuid[0],
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part_info[i].uuid[1], part_info[i].uuid[2],
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part_info[i].uuid[3]);
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INFO("***End Partition***\n");
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}
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}
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static int32_t fvp_spmd_logical_partition_init(void)
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{
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INFO("FVP SPMD LSP: Init function called.\n");
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fvp_get_partition_info();
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return 0;
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}
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/*
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* Platform specific SMC handler used to translate SIP SMCs or other platform
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* specific SMCs into FF-A direct messages.
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*/
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uintptr_t plat_spmd_logical_sp_smc_handler(unsigned int smc_fid,
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u_register_t x1,
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u_register_t x2,
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u_register_t x3,
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u_register_t x4,
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void *cookie,
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void *handle,
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u_register_t flags)
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{
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struct ffa_value retval = { 0 };
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uint64_t send_recv_id = SPMD_LP_PARTITION_ID << 16 | 0x8001;
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/*
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* Forward the SMC as direct request.
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*/
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if (!spmd_el3_ffa_msg_direct_req(send_recv_id, x2, x3, x4, handle, &retval)) {
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panic();
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}
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SMC_RET8(handle, retval.func, retval.arg1, retval.arg2, retval.arg3,
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retval.arg4, retval.arg5, retval.arg6, retval.arg7);
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}
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/* Register SPMD logical partition */
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DECLARE_SPMD_LOGICAL_PARTITION(
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fvp_spmd_logical_partition,
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fvp_spmd_logical_partition_init,/* Init Function */
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SPMD_LP_PARTITION_ID, /* FF-A Partition ID */
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SPMD_LP_UUID, /* UUID */
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SPMD_PARTITION_PROPERTIES /* Partition Properties. */
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);
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