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Merge "fix(el3-spmc): report execution state in partition info get" into integration

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This commit is contained in:
Olivier Deprez 2022-12-20 17:30:16 +01:00 • committed by TrustedFirmware Code Review
commit f4d8ed50d2
2 changed files with 42 additions and 4 deletions
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6
services/std_svc/spm/el3_spmc/spmc.h
View file

@ -228,6 +228,12 @@ struct ffa_partition_info_v1_1 {
uint32_t uuid[4];
};
/* FF-A Partition Info Get related macros. */
#define FFA_PARTITION_INFO_GET_PROPERTIES_V1_0_MASK U(0x7)
#define FFA_PARTITION_INFO_GET_EXEC_STATE_SHIFT U(8)
#define FFA_PARTITION_INFO_GET_AARCH32_STATE U(0)
#define FFA_PARTITION_INFO_GET_AARCH64_STATE U(1)
/* Reference to power management hooks */
extern const spd_pm_ops_t spmc_pm;

40
services/std_svc/spm/el3_spmc/spmc_main.c
View file

@ -745,6 +745,27 @@ static uint64_t rxtx_unmap_handler(uint32_t smc_fid,
SMC_RET1(handle, FFA_SUCCESS_SMC32);
}
/*
* Helper function to populate the properties field of a Partition Info Get
* descriptor.
*/
static uint32_t
partition_info_get_populate_properties(uint32_t sp_properties,
enum sp_execution_state sp_ec_state)
{
uint32_t properties = sp_properties;
uint32_t ec_state;
/* Determine the execution state of the SP. */
ec_state = sp_ec_state == SP_STATE_AARCH64 ?
FFA_PARTITION_INFO_GET_AARCH64_STATE :
FFA_PARTITION_INFO_GET_AARCH32_STATE;
properties |= ec_state << FFA_PARTITION_INFO_GET_EXEC_STATE_SHIFT;
return properties;
}
/*
* Collate the partition information in a v1.1 partition information
* descriptor format, this will be converter later if required.
@ -771,7 +792,12 @@ static int partition_info_get_handler_v1_1(uint32_t *uuid,
desc = &partitions[*partition_count];
desc->ep_id = el3_lp_descs[index].sp_id;
desc->execution_ctx_count = PLATFORM_CORE_COUNT;
desc->properties = el3_lp_descs[index].properties;
/* LSPs must be AArch64. */
desc->properties =
partition_info_get_populate_properties(
el3_lp_descs[index].properties,
SP_STATE_AARCH64);
if (null_uuid) {
copy_uuid(desc->uuid, el3_lp_descs[index].uuid);
}
@ -794,7 +820,11 @@ static int partition_info_get_handler_v1_1(uint32_t *uuid,
* S-EL1 SPs.
*/
desc->execution_ctx_count = PLATFORM_CORE_COUNT;
desc->properties = sp_desc[index].properties;
desc->properties =
partition_info_get_populate_properties(
sp_desc[index].properties,
sp_desc[index].execution_state);
if (null_uuid) {
copy_uuid(desc->uuid, sp_desc[index].uuid);
}
@ -835,7 +865,7 @@ static uint32_t partition_info_get_handler_count_only(uint32_t *uuid)
/*
* If the caller of the PARTITION_INFO_GET ABI was a v1.0 caller, populate
* the coresponding descriptor format from the v1.1 descriptor array.
* the corresponding descriptor format from the v1.1 descriptor array.
*/
static uint64_t partition_info_populate_v1_0(struct ffa_partition_info_v1_1
*partitions,
@ -860,8 +890,10 @@ static uint64_t partition_info_populate_v1_0(struct ffa_partition_info_v1_1
v1_0_partitions[index].ep_id = partitions[index].ep_id;
v1_0_partitions[index].execution_ctx_count =
partitions[index].execution_ctx_count;
/* Only report v1.0 properties. */
v1_0_partitions[index].properties =
partitions[index].properties;
(partitions[index].properties &
FFA_PARTITION_INFO_GET_PROPERTIES_V1_0_MASK);
}
return 0;
}