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From: "Clément Léger" <cleger@rivosinc.com>
To: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org
Cc: "Clément Léger" <cleger@rivosinc.com>,
	"Andrew Jones" <ajones@ventanamicro.com>,
	"Anup Patel" <apatel@ventanamicro.com>,
	"Atish Patra" <atishp@rivosinc.com>
Subject: [kvm-unit-tests PATCH v3 2/4] riscv: lib: Add SBI SSE extension definitions
Date: Mon, 25 Nov 2024 12:54:46 +0100	[thread overview]
Message-ID: <20241125115452.1255745-3-cleger@rivosinc.com> (raw)
In-Reply-To: <20241125115452.1255745-1-cleger@rivosinc.com>

Add SBI SSE extension definitions in sbi.h

Signed-off-by: Clément Léger <cleger@rivosinc.com>
---
 lib/riscv/asm/sbi.h | 83 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h
index 98a9b097..f2494a50 100644
--- a/lib/riscv/asm/sbi.h
+++ b/lib/riscv/asm/sbi.h
@@ -11,6 +11,11 @@
 #define SBI_ERR_ALREADY_AVAILABLE	-6
 #define SBI_ERR_ALREADY_STARTED		-7
 #define SBI_ERR_ALREADY_STOPPED		-8
+#define SBI_ERR_NO_SHMEM		-9
+#define SBI_ERR_INVALID_STATE		-10
+#define SBI_ERR_BAD_RANGE		-11
+#define SBI_ERR_TIMEOUT			-12
+#define SBI_ERR_IO			-13
 
 #ifndef __ASSEMBLY__
 #include <cpumask.h>
@@ -23,6 +28,7 @@ enum sbi_ext_id {
 	SBI_EXT_SRST = 0x53525354,
 	SBI_EXT_DBCN = 0x4442434E,
 	SBI_EXT_SUSP = 0x53555350,
+	SBI_EXT_SSE = 0x535345,
 };
 
 enum sbi_ext_base_fid {
@@ -71,6 +77,83 @@ enum sbi_ext_dbcn_fid {
 	SBI_EXT_DBCN_CONSOLE_WRITE_BYTE,
 };
 
+enum sbi_ext_ss_fid {
+	SBI_EXT_SSE_READ_ATTRS = 0,
+	SBI_EXT_SSE_WRITE_ATTRS,
+	SBI_EXT_SSE_REGISTER,
+	SBI_EXT_SSE_UNREGISTER,
+	SBI_EXT_SSE_ENABLE,
+	SBI_EXT_SSE_DISABLE,
+	SBI_EXT_SSE_COMPLETE,
+	SBI_EXT_SSE_INJECT,
+	SBI_EXT_SSE_HART_UNMASK,
+	SBI_EXT_SSE_HART_MASK,
+};
+
+/* SBI SSE Event Attributes. */
+enum sbi_sse_attr_id {
+	SBI_SSE_ATTR_STATUS		= 0x00000000,
+	SBI_SSE_ATTR_PRIORITY		= 0x00000001,
+	SBI_SSE_ATTR_CONFIG		= 0x00000002,
+	SBI_SSE_ATTR_PREFERRED_HART	= 0x00000003,
+	SBI_SSE_ATTR_ENTRY_PC		= 0x00000004,
+	SBI_SSE_ATTR_ENTRY_ARG		= 0x00000005,
+	SBI_SSE_ATTR_INTERRUPTED_SEPC	= 0x00000006,
+	SBI_SSE_ATTR_INTERRUPTED_FLAGS	= 0x00000007,
+	SBI_SSE_ATTR_INTERRUPTED_A6	= 0x00000008,
+	SBI_SSE_ATTR_INTERRUPTED_A7	= 0x00000009,
+};
+
+#define SBI_SSE_ATTR_STATUS_STATE_OFFSET	0
+#define SBI_SSE_ATTR_STATUS_STATE_MASK		0x3
+#define SBI_SSE_ATTR_STATUS_PENDING_OFFSET	2
+#define SBI_SSE_ATTR_STATUS_INJECT_OFFSET	3
+
+#define SBI_SSE_ATTR_CONFIG_ONESHOT	(1 << 0)
+
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_SSTATUS_SPP	BIT(0)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_SSTATUS_SPIE	BIT(1)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPV	BIT(2)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPVP	BIT(3)
+
+enum sbi_sse_state {
+	SBI_SSE_STATE_UNUSED		= 0,
+	SBI_SSE_STATE_REGISTERED	= 1,
+	SBI_SSE_STATE_ENABLED		= 2,
+	SBI_SSE_STATE_RUNNING		= 3,
+};
+
+/* SBI SSE Event IDs. */
+#define SBI_SSE_EVENT_LOCAL_RAS			0x00000000
+#define SBI_SSE_EVENT_LOCAL_DOUBLE_TRAP		0x00000001
+#define SBI_SSE_EVENT_LOCAL_PLAT_0_START	0x00004000
+#define SBI_SSE_EVENT_LOCAL_PLAT_0_END		0x00007fff
+
+#define SBI_SSE_EVENT_GLOBAL_RAS		0x00008000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_0_START	0x0000c000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_0_END		0x0000ffff
+
+#define SBI_SSE_EVENT_LOCAL_PMU			0x00010000
+#define SBI_SSE_EVENT_LOCAL_PLAT_1_START	0x00014000
+#define SBI_SSE_EVENT_LOCAL_PLAT_1_END		0x00017fff
+#define SBI_SSE_EVENT_GLOBAL_PLAT_1_START	0x0001c000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_1_END		0x0001ffff
+
+#define SBI_SSE_EVENT_LOCAL_PLAT_2_START	0x00024000
+#define SBI_SSE_EVENT_LOCAL_PLAT_2_END		0x00027fff
+#define SBI_SSE_EVENT_GLOBAL_PLAT_2_START	0x0002c000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_2_END		0x0002ffff
+
+#define SBI_SSE_EVENT_LOCAL_SOFTWARE		0xffff0000
+#define SBI_SSE_EVENT_LOCAL_PLAT_3_START	0xffff4000
+#define SBI_SSE_EVENT_LOCAL_PLAT_3_END		0xffff7fff
+#define SBI_SSE_EVENT_GLOBAL_SOFTWARE		0xffff8000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_3_START	0xffffc000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_3_END		0xffffffff
+
+#define SBI_SSE_EVENT_PLATFORM_BIT		(1 << 14)
+#define SBI_SSE_EVENT_GLOBAL_BIT		(1 << 15)
+
 struct sbiret {
 	long error;
 	long value;
-- 
2.45.2


  parent reply	other threads:[~2024-11-25 11:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-25 11:54 [kvm-unit-tests PATCH v3 0/4] riscv: add SBI SSE extension tests Clément Léger
2024-11-25 11:54 ` [kvm-unit-tests PATCH v3 1/4] riscv: Add "-deps" handling for tests Clément Léger
2024-11-25 12:52   ` Andrew Jones
2024-11-25 11:54 ` Clément Léger [this message]
2024-11-25 12:55   ` [kvm-unit-tests PATCH v3 2/4] riscv: lib: Add SBI SSE extension definitions Andrew Jones
2024-11-25 11:54 ` [kvm-unit-tests PATCH v3 3/4] riscv: lib: Add SSE assembly entry handling Clément Léger
2024-11-25 13:50   ` Andrew Jones
2024-11-25 14:13     ` Clément Léger
2024-11-25 14:26       ` Andrew Jones
2024-11-25 14:41         ` Clément Léger
2024-11-25 11:54 ` [kvm-unit-tests PATCH v3 4/4] riscv: sbi: Add SSE extension tests Clément Léger
2024-11-25 13:53   ` Andrew Jones
2024-11-25 14:09     ` Clément Léger

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