| Message ID | 20240825170824.107467-3-jamestiotio@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | riscv: sbi: Add support to test HSM extension | expand |
On Mon, Aug 26, 2024 at 01:08:22AM GMT, James Raphael Tiovalen wrote: > Add IPI EID and FID constants and a helper function to perform the IPI > SBI ecall. > > Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com> > --- > lib/riscv/asm/sbi.h | 6 ++++++ > lib/riscv/sbi.c | 5 +++++ > 2 files changed, 11 insertions(+) > > diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h > index 47e91025..a864e268 100644 > --- a/lib/riscv/asm/sbi.h > +++ b/lib/riscv/asm/sbi.h > @@ -17,6 +17,7 @@ > enum sbi_ext_id { > SBI_EXT_BASE = 0x10, > SBI_EXT_TIME = 0x54494d45, > + SBI_EXT_IPI = 0x735049, > SBI_EXT_HSM = 0x48534d, > SBI_EXT_SRST = 0x53525354, > SBI_EXT_DBCN = 0x4442434E, > @@ -43,6 +44,10 @@ enum sbi_ext_time_fid { > SBI_EXT_TIME_SET_TIMER = 0, > }; > > +enum sbi_ext_ipi_fid { > + SBI_EXT_IPI_SEND_IPI = 0, > +}; > + > enum sbi_ext_dbcn_fid { > SBI_EXT_DBCN_CONSOLE_WRITE = 0, > SBI_EXT_DBCN_CONSOLE_READ, > @@ -61,6 +66,7 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, > > void sbi_shutdown(void); > struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned long sp); > +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base); > long sbi_probe(int ext); > > #endif /* !__ASSEMBLY__ */ > diff --git a/lib/riscv/sbi.c b/lib/riscv/sbi.c > index 3d4236e5..19d58ab7 100644 > --- a/lib/riscv/sbi.c > +++ b/lib/riscv/sbi.c > @@ -39,6 +39,11 @@ struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned > return sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_START, hartid, entry, sp, 0, 0, 0); > } > > +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base) > +{ > + return sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); > +} > + > long sbi_probe(int ext) > { > struct sbiret ret; > -- > 2.43.0 > > Queued to riscv/sbi, https://gitlab.com/jones-drew/kvm-unit-tests/-/commits/riscv/sbi Thanks, drew
diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h index 47e91025..a864e268 100644 --- a/lib/riscv/asm/sbi.h +++ b/lib/riscv/asm/sbi.h @@ -17,6 +17,7 @@ enum sbi_ext_id { SBI_EXT_BASE = 0x10, SBI_EXT_TIME = 0x54494d45, + SBI_EXT_IPI = 0x735049, SBI_EXT_HSM = 0x48534d, SBI_EXT_SRST = 0x53525354, SBI_EXT_DBCN = 0x4442434E, @@ -43,6 +44,10 @@ enum sbi_ext_time_fid { SBI_EXT_TIME_SET_TIMER = 0, }; +enum sbi_ext_ipi_fid { + SBI_EXT_IPI_SEND_IPI = 0, +}; + enum sbi_ext_dbcn_fid { SBI_EXT_DBCN_CONSOLE_WRITE = 0, SBI_EXT_DBCN_CONSOLE_READ, @@ -61,6 +66,7 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, void sbi_shutdown(void); struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned long sp); +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base); long sbi_probe(int ext); #endif /* !__ASSEMBLY__ */ diff --git a/lib/riscv/sbi.c b/lib/riscv/sbi.c index 3d4236e5..19d58ab7 100644 --- a/lib/riscv/sbi.c +++ b/lib/riscv/sbi.c @@ -39,6 +39,11 @@ struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned return sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_START, hartid, entry, sp, 0, 0, 0); } +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base) +{ + return sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); +} + long sbi_probe(int ext) { struct sbiret ret;
Add IPI EID and FID constants and a helper function to perform the IPI SBI ecall. Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com> --- lib/riscv/asm/sbi.h | 6 ++++++ lib/riscv/sbi.c | 5 +++++ 2 files changed, 11 insertions(+)