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lib: utils: Add MPXY RPMI mailbox driver for System MSI service group

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The supervisor software can directly receive most of the system MSIs
except P2A doorbell and MSIs preferred to be handled in M-mode.

Add MPXY RPMI mailbox client driver for the System MSI service group.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2025-01-12 18:39:52 +05:30
committed by Anup Patel
parent b05e2a1956
commit 61abd975f2
5 changed files with 300 additions and 0 deletions
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88
include/sbi_utils/mailbox/rpmi_msgprot.h
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@@ -208,6 +208,7 @@ enum rpmi_channel_attribute_id {
enum rpmi_servicegroup_id {
RPMI_SRVGRP_ID_MIN = 0,
RPMI_SRVGRP_BASE = 0x0001,
RPMI_SRVGRP_SYSTEM_MSI = 0x0002,
RPMI_SRVGRP_SYSTEM_RESET = 0x0003,
RPMI_SRVGRP_SYSTEM_SUSPEND = 0x0004,
RPMI_SRVGRP_HSM = 0x0005,
@@ -267,6 +268,93 @@ struct rpmi_base_get_platform_info_resp {
char plat_info[];
};
/** RPMI System MSI ServiceGroup Service IDs */
enum rpmi_sysmsi_service_id {
RPMI_SYSMSI_SRV_ENABLE_NOTIFICATION = 0x01,
RPMI_SYSMSI_SRV_GET_ATTRIBUTES = 0x2,
RPMI_SYSMSI_SRV_GET_MSI_ATTRIBUTES = 0x3,
RPMI_SYSMSI_SRV_SET_MSI_STATE = 0x4,
RPMI_SYSMSI_SRV_GET_MSI_STATE = 0x5,
RPMI_SYSMSI_SRV_SET_MSI_TARGET = 0x6,
RPMI_SYSMSI_SRV_GET_MSI_TARGET = 0x7,
RPMI_SYSMSI_SRV_ID_MAX_COUNT,
};
/** Response for system MSI service group attributes */
struct rpmi_sysmsi_get_attributes_resp {
s32 status;
u32 sys_num_msi;
u32 p2a_db_index;
u32 flag0;
u32 flag1;
};
/** Request for system MSI attributes */
struct rpmi_sysmsi_get_msi_attributes_req {
u32 sys_msi_index;
};
/** Response for system MSI attributes */
struct rpmi_sysmsi_get_msi_attributes_resp {
s32 status;
u32 flag0;
u32 flag1;
u8 name[16];
};
#define RPMI_SYSMSI_MSI_ATTRIBUTES_FLAG0_PREF_PRIV (1U << 0)
/** Request for system MSI set state */
struct rpmi_sysmsi_set_msi_state_req {
u32 sys_msi_index;
u32 sys_msi_state;
};
#define RPMI_SYSMSI_MSI_STATE_ENABLE (1U << 0)
#define RPMI_SYSMSI_MSI_STATE_PENDING (1U << 1)
/** Response for system MSI set state */
struct rpmi_sysmsi_set_msi_state_resp {
s32 status;
};
/** Request for system MSI get state */
struct rpmi_sysmsi_get_msi_state_req {
u32 sys_msi_index;
};
/** Response for system MSI get state */
struct rpmi_sysmsi_get_msi_state_resp {
s32 status;
u32 sys_msi_state;
};
/** Request for system MSI set target */
struct rpmi_sysmsi_set_msi_target_req {
u32 sys_msi_index;
u32 sys_msi_address_low;
u32 sys_msi_address_high;
u32 sys_msi_data;
};
/** Response for system MSI set target */
struct rpmi_sysmsi_set_msi_target_resp {
s32 status;
};
/** Request for system MSI get target */
struct rpmi_sysmsi_get_msi_target_req {
u32 sys_msi_index;
};
/** Response for system MSI get target */
struct rpmi_sysmsi_get_msi_target_resp {
s32 status;
u32 sys_msi_address_low;
u32 sys_msi_address_high;
u32 sys_msi_data;
};
/** RPMI System Reset ServiceGroup Service IDs */
enum rpmi_system_reset_service_id {
RPMI_SYSRST_SRV_ENABLE_NOTIFICATION = 0x01,