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From: Rahul Pathak <rahul.pathak@oss.qualcomm.com>
To: opensbi@lists.infradead.org
Cc: rahul.pathak@oss.qualcomm, rahul@summations.net,
	Rahul Pathak <rahul.pathak@oss.qualcomm.com>,
	Pawandeep Oza <pawandeep.oza@oss.qualcomm.com>,
	Ranbir Singh <ranbir.singh@oss.qualcomm.com>
Subject: [RFC PATCH v4 2/4] riscv: Add Smsdid and Smmpt hart extensions
Date: Mon, 24 Aug 2026 07:39:50 +0530	[thread overview]
Message-ID: <20260824020953.2438946-3-rahul.pathak@oss.qualcomm.com> (raw)
In-Reply-To: <20260824020953.2438946-1-rahul.pathak@oss.qualcomm.com>

Add hart extension identifiers for the RISC-V Smsdid (supervisor
domain ID) and Smmpt (supervisor domain memory protection) extensions.

Signed-off-by: Rahul Pathak <rahul.pathak@oss.qualcomm.com>
Reviewed-by: Pawandeep Oza <pawandeep.oza@oss.qualcomm.com>
Reviewed-by: Ranbir Singh <ranbir.singh@oss.qualcomm.com>
---
 include/sbi/sbi_hart.h | 4 ++++
 lib/sbi/sbi_hart.c     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h
index 543393bb..cbad94d4 100644
--- a/include/sbi/sbi_hart.h
+++ b/include/sbi/sbi_hart.h
@@ -95,6 +95,10 @@ enum sbi_hart_extensions {
 	SBI_HART_EXT_F,
 	/** Hart has D extension */
 	SBI_HART_EXT_D,
+	/** Hart has SMMTT - SMSDID extension */
+	SBI_HART_EXT_SMSDID,
+	/** Hart has SMMTT - SMMPT extension */
+	SBI_HART_EXT_SMMPT,
 
 	/** Maximum index of Hart extension */
 	SBI_HART_EXT_MAX,
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
index bee88557..4261fea8 100644
--- a/lib/sbi/sbi_hart.c
+++ b/lib/sbi/sbi_hart.c
@@ -360,6 +360,8 @@ const struct sbi_hart_ext_data sbi_hart_ext[] = {
 	__SBI_HART_EXT_DATA(v, SBI_HART_EXT_V),
 	__SBI_HART_EXT_DATA(f, SBI_HART_EXT_F),
 	__SBI_HART_EXT_DATA(d, SBI_HART_EXT_D),
+	__SBI_HART_EXT_DATA(smsdid, SBI_HART_EXT_SMSDID),
+	__SBI_HART_EXT_DATA(smmpt,  SBI_HART_EXT_SMMPT),
 };
 
 _Static_assert(SBI_HART_EXT_MAX == array_size(sbi_hart_ext),
-- 
2.53.0


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  parent reply	other threads:[~2026-08-24  2:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-24  2:09 [RFC PATCH v4 0/4] Add Smsdid and Smmpt supervisor domain protection Rahul Pathak
2026-08-24  2:09 ` [RFC PATCH v4 1/4] lib: sbi_domain: Add finalize callback for per-domain state Rahul Pathak
2026-08-25 16:19   ` Pawandeep Oza
2026-08-24  2:09 ` Rahul Pathak [this message]
2026-08-24  2:09 ` [RFC PATCH v4 3/4] mpt: Add Smsdid and Smmpt supervisor domain core Rahul Pathak
2026-08-24  2:09 ` [RFC PATCH v4 4/4] lib: sbi: Initialize SMMPT during coldboot Rahul Pathak
2026-08-24  5:30   ` Ranbir Singh
2026-08-24  5:43     ` Rahul Pathak

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