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
next prev 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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