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lib: sbi: Add SBI Message Proxy (MPXY) framework

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Introduce SBI Message Proxy (MPXY) framework which allows platform specific
code or drivers to register message protocol specific channels.

This framework enables the supervisor software to send messages belonging
to different message protocols via OpenSBI firmware.

Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Co-developed-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Co-developed-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Rahul Pathak
2024-08-08 11:03:04 +05:30
committed by Anup Patel
parent 591a98bdd5
commit 7939bf1329
7 changed files with 915 additions and 7 deletions
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6
lib/sbi/sbi_init.c
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@@ -24,6 +24,7 @@
#include <sbi/sbi_platform.h>
#include <sbi/sbi_pmu.h>
#include <sbi/sbi_dbtr.h>
#include <sbi/sbi_mpxy.h>
#include <sbi/sbi_sse.h>
#include <sbi/sbi_system.h>
#include <sbi/sbi_string.h>
@@ -311,6 +312,11 @@ static void __noreturn init_coldboot(struct sbi_scratch *scratch, u32 hartid)
sbi_hart_hang();
}
rc = sbi_mpxy_init(scratch);
if (rc) {
sbi_printf("%s: mpxy init failed (error %d)\n", __func__, rc);
sbi_hart_hang();
}
/*
* Note: Finalize domains after HSM initialization so that we
* can startup non-root domains.