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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /arch/riscv/include/asm/sbi.h
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/include/asm/sbi.h')
-rw-r--r--arch/riscv/include/asm/sbi.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 0892f4421b..6e68f8dff7 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -29,8 +29,10 @@ enum sbi_ext_id {
SBI_EXT_RFENCE = 0x52464E43,
SBI_EXT_HSM = 0x48534D,
SBI_EXT_SRST = 0x53525354,
+ SBI_EXT_SUSP = 0x53555350,
SBI_EXT_PMU = 0x504D55,
SBI_EXT_DBCN = 0x4442434E,
+ SBI_EXT_STA = 0x535441,
/* Experimentals extensions must lie within this range */
SBI_EXT_EXPERIMENTAL_START = 0x08000000,
@@ -114,6 +116,14 @@ enum sbi_srst_reset_reason {
SBI_SRST_RESET_REASON_SYS_FAILURE,
};
+enum sbi_ext_susp_fid {
+ SBI_EXT_SUSP_SYSTEM_SUSPEND = 0,
+};
+
+enum sbi_ext_susp_sleep_type {
+ SBI_SUSP_SLEEP_TYPE_SUSPEND_TO_RAM = 0,
+};
+
enum sbi_ext_pmu_fid {
SBI_EXT_PMU_NUM_COUNTERS = 0,
SBI_EXT_PMU_COUNTER_GET_INFO,
@@ -243,6 +253,22 @@ enum sbi_ext_dbcn_fid {
SBI_EXT_DBCN_CONSOLE_WRITE_BYTE = 2,
};
+/* SBI STA (steal-time accounting) extension */
+enum sbi_ext_sta_fid {
+ SBI_EXT_STA_STEAL_TIME_SET_SHMEM = 0,
+};
+
+struct sbi_sta_struct {
+ __le32 sequence;
+ __le32 flags;
+ __le64 steal;
+ u8 preempted;
+ u8 pad[47];
+} __packed;
+
+#define SBI_STA_SHMEM_DISABLE -1
+
+/* SBI spec version fields */
#define SBI_SPEC_VERSION_DEFAULT 0x1
#define SBI_SPEC_VERSION_MAJOR_SHIFT 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
@@ -271,8 +297,13 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
unsigned long arg3, unsigned long arg4,
unsigned long arg5);
+#ifdef CONFIG_RISCV_SBI_V01
void sbi_console_putchar(int ch);
int sbi_console_getchar(void);
+#else
+static inline void sbi_console_putchar(int ch) { }
+static inline int sbi_console_getchar(void) { return -ENOENT; }
+#endif
long sbi_get_mvendorid(void);
long sbi_get_marchid(void);
long sbi_get_mimpid(void);
@@ -329,6 +360,11 @@ static inline unsigned long sbi_mk_version(unsigned long major,
}
int sbi_err_map_linux_errno(int err);
+
+extern bool sbi_debug_console_available;
+int sbi_debug_console_write(const char *bytes, unsigned int num_bytes);
+int sbi_debug_console_read(char *bytes, unsigned int num_bytes);
+
#else /* CONFIG_RISCV_SBI */
static inline int sbi_remote_fence_i(const struct cpumask *cpu_mask) { return -1; }
static inline void sbi_init(void) {}