| Message ID | 20240403080452.1007601-17-atishp@rivosinc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | RISC-V SBI v2.0 PMU improvements and Perf sampling in KVM guest | expand |
On Wed, Apr 03, 2024 at 01:04:45AM -0700, Atish Patra wrote: > The SBI definitions will continue to grow. Move the sbi related > definitions to its own header file from processor.h > > Suggested-by: Andrew Jones <ajones@ventanamicro.com> > Signed-off-by: Atish Patra <atishp@rivosinc.com> > --- > .../selftests/kvm/include/riscv/processor.h | 39 --------------- > .../testing/selftests/kvm/include/riscv/sbi.h | 50 +++++++++++++++++++ > .../selftests/kvm/include/riscv/ucall.h | 1 + > tools/testing/selftests/kvm/steal_time.c | 4 +- > 4 files changed, 54 insertions(+), 40 deletions(-) > create mode 100644 tools/testing/selftests/kvm/include/riscv/sbi.h > > diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h > index ce473fe251dd..3b9cb39327ff 100644 > --- a/tools/testing/selftests/kvm/include/riscv/processor.h > +++ b/tools/testing/selftests/kvm/include/riscv/processor.h > @@ -154,45 +154,6 @@ void vm_install_interrupt_handler(struct kvm_vm *vm, exception_handler_fn handle > #define PGTBL_PAGE_SIZE PGTBL_L0_BLOCK_SIZE > #define PGTBL_PAGE_SIZE_SHIFT PGTBL_L0_BLOCK_SHIFT > > -/* SBI return error codes */ > -#define SBI_SUCCESS 0 > -#define SBI_ERR_FAILURE -1 > -#define SBI_ERR_NOT_SUPPORTED -2 > -#define SBI_ERR_INVALID_PARAM -3 > -#define SBI_ERR_DENIED -4 > -#define SBI_ERR_INVALID_ADDRESS -5 > -#define SBI_ERR_ALREADY_AVAILABLE -6 > -#define SBI_ERR_ALREADY_STARTED -7 > -#define SBI_ERR_ALREADY_STOPPED -8 > - > -#define SBI_EXT_EXPERIMENTAL_START 0x08000000 > -#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF > - > -#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END > -#define KVM_RISCV_SELFTESTS_SBI_UCALL 0 > -#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1 > - > -enum sbi_ext_id { > - SBI_EXT_BASE = 0x10, > - SBI_EXT_STA = 0x535441, > -}; > - > -enum sbi_ext_base_fid { > - SBI_EXT_BASE_PROBE_EXT = 3, > -}; > - > -struct sbiret { > - long error; > - long value; > -}; > - > -struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, > - unsigned long arg1, unsigned long arg2, > - unsigned long arg3, unsigned long arg4, > - unsigned long arg5); > - > -bool guest_sbi_probe_extension(int extid, long *out_val); > - > static inline void local_irq_enable(void) > { > csr_set(CSR_SSTATUS, SR_SIE); > diff --git a/tools/testing/selftests/kvm/include/riscv/sbi.h b/tools/testing/selftests/kvm/include/riscv/sbi.h > new file mode 100644 > index 000000000000..ba04f2dec7b5 > --- /dev/null > +++ b/tools/testing/selftests/kvm/include/riscv/sbi.h > @@ -0,0 +1,50 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * RISC-V SBI specific definitions > + * > + * Copyright (C) 2024 Rivos Inc. > + */ > + > +#ifndef SELFTEST_KVM_SBI_H > +#define SELFTEST_KVM_SBI_H > + > +/* SBI return error codes */ > +#define SBI_SUCCESS 0 > +#define SBI_ERR_FAILURE -1 > +#define SBI_ERR_NOT_SUPPORTED -2 > +#define SBI_ERR_INVALID_PARAM -3 > +#define SBI_ERR_DENIED -4 > +#define SBI_ERR_INVALID_ADDRESS -5 > +#define SBI_ERR_ALREADY_AVAILABLE -6 > +#define SBI_ERR_ALREADY_STARTED -7 > +#define SBI_ERR_ALREADY_STOPPED -8 > + > +#define SBI_EXT_EXPERIMENTAL_START 0x08000000 > +#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF > + > +#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END > +#define KVM_RISCV_SELFTESTS_SBI_UCALL 0 > +#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1 > + > +enum sbi_ext_id { > + SBI_EXT_BASE = 0x10, > + SBI_EXT_STA = 0x535441, > +}; > + > +enum sbi_ext_base_fid { > + SBI_EXT_BASE_PROBE_EXT = 3, > +}; > + > +struct sbiret { > + long error; > + long value; > +}; > + > +struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, > + unsigned long arg1, unsigned long arg2, > + unsigned long arg3, unsigned long arg4, > + unsigned long arg5); > + > +bool guest_sbi_probe_extension(int extid, long *out_val); > + > +#endif /* SELFTEST_KVM_SBI_H */ > diff --git a/tools/testing/selftests/kvm/include/riscv/ucall.h b/tools/testing/selftests/kvm/include/riscv/ucall.h > index be46eb32ec27..a695ae36f3e0 100644 > --- a/tools/testing/selftests/kvm/include/riscv/ucall.h > +++ b/tools/testing/selftests/kvm/include/riscv/ucall.h > @@ -3,6 +3,7 @@ > #define SELFTEST_KVM_UCALL_H > > #include "processor.h" > +#include "sbi.h" > > #define UCALL_EXIT_REASON KVM_EXIT_RISCV_SBI > > diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c > index bae0c5026f82..2ff82c7fd926 100644 > --- a/tools/testing/selftests/kvm/steal_time.c > +++ b/tools/testing/selftests/kvm/steal_time.c > @@ -11,7 +11,9 @@ > #include <pthread.h> > #include <linux/kernel.h> > #include <asm/kvm.h> > -#ifndef __riscv > +#ifdef __riscv > +#include "sbi.h" > +#else > #include <asm/kvm_para.h> > #endif > > -- > 2.34.1 > Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h index ce473fe251dd..3b9cb39327ff 100644 --- a/tools/testing/selftests/kvm/include/riscv/processor.h +++ b/tools/testing/selftests/kvm/include/riscv/processor.h @@ -154,45 +154,6 @@ void vm_install_interrupt_handler(struct kvm_vm *vm, exception_handler_fn handle #define PGTBL_PAGE_SIZE PGTBL_L0_BLOCK_SIZE #define PGTBL_PAGE_SIZE_SHIFT PGTBL_L0_BLOCK_SHIFT -/* SBI return error codes */ -#define SBI_SUCCESS 0 -#define SBI_ERR_FAILURE -1 -#define SBI_ERR_NOT_SUPPORTED -2 -#define SBI_ERR_INVALID_PARAM -3 -#define SBI_ERR_DENIED -4 -#define SBI_ERR_INVALID_ADDRESS -5 -#define SBI_ERR_ALREADY_AVAILABLE -6 -#define SBI_ERR_ALREADY_STARTED -7 -#define SBI_ERR_ALREADY_STOPPED -8 - -#define SBI_EXT_EXPERIMENTAL_START 0x08000000 -#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF - -#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END -#define KVM_RISCV_SELFTESTS_SBI_UCALL 0 -#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1 - -enum sbi_ext_id { - SBI_EXT_BASE = 0x10, - SBI_EXT_STA = 0x535441, -}; - -enum sbi_ext_base_fid { - SBI_EXT_BASE_PROBE_EXT = 3, -}; - -struct sbiret { - long error; - long value; -}; - -struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, - unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, - unsigned long arg5); - -bool guest_sbi_probe_extension(int extid, long *out_val); - static inline void local_irq_enable(void) { csr_set(CSR_SSTATUS, SR_SIE); diff --git a/tools/testing/selftests/kvm/include/riscv/sbi.h b/tools/testing/selftests/kvm/include/riscv/sbi.h new file mode 100644 index 000000000000..ba04f2dec7b5 --- /dev/null +++ b/tools/testing/selftests/kvm/include/riscv/sbi.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * RISC-V SBI specific definitions + * + * Copyright (C) 2024 Rivos Inc. + */ + +#ifndef SELFTEST_KVM_SBI_H +#define SELFTEST_KVM_SBI_H + +/* SBI return error codes */ +#define SBI_SUCCESS 0 +#define SBI_ERR_FAILURE -1 +#define SBI_ERR_NOT_SUPPORTED -2 +#define SBI_ERR_INVALID_PARAM -3 +#define SBI_ERR_DENIED -4 +#define SBI_ERR_INVALID_ADDRESS -5 +#define SBI_ERR_ALREADY_AVAILABLE -6 +#define SBI_ERR_ALREADY_STARTED -7 +#define SBI_ERR_ALREADY_STOPPED -8 + +#define SBI_EXT_EXPERIMENTAL_START 0x08000000 +#define SBI_EXT_EXPERIMENTAL_END 0x08FFFFFF + +#define KVM_RISCV_SELFTESTS_SBI_EXT SBI_EXT_EXPERIMENTAL_END +#define KVM_RISCV_SELFTESTS_SBI_UCALL 0 +#define KVM_RISCV_SELFTESTS_SBI_UNEXP 1 + +enum sbi_ext_id { + SBI_EXT_BASE = 0x10, + SBI_EXT_STA = 0x535441, +}; + +enum sbi_ext_base_fid { + SBI_EXT_BASE_PROBE_EXT = 3, +}; + +struct sbiret { + long error; + long value; +}; + +struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, + unsigned long arg1, unsigned long arg2, + unsigned long arg3, unsigned long arg4, + unsigned long arg5); + +bool guest_sbi_probe_extension(int extid, long *out_val); + +#endif /* SELFTEST_KVM_SBI_H */ diff --git a/tools/testing/selftests/kvm/include/riscv/ucall.h b/tools/testing/selftests/kvm/include/riscv/ucall.h index be46eb32ec27..a695ae36f3e0 100644 --- a/tools/testing/selftests/kvm/include/riscv/ucall.h +++ b/tools/testing/selftests/kvm/include/riscv/ucall.h @@ -3,6 +3,7 @@ #define SELFTEST_KVM_UCALL_H #include "processor.h" +#include "sbi.h" #define UCALL_EXIT_REASON KVM_EXIT_RISCV_SBI diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c index bae0c5026f82..2ff82c7fd926 100644 --- a/tools/testing/selftests/kvm/steal_time.c +++ b/tools/testing/selftests/kvm/steal_time.c @@ -11,7 +11,9 @@ #include <pthread.h> #include <linux/kernel.h> #include <asm/kvm.h> -#ifndef __riscv +#ifdef __riscv +#include "sbi.h" +#else #include <asm/kvm_para.h> #endif
The SBI definitions will continue to grow. Move the sbi related definitions to its own header file from processor.h Suggested-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Atish Patra <atishp@rivosinc.com> --- .../selftests/kvm/include/riscv/processor.h | 39 --------------- .../testing/selftests/kvm/include/riscv/sbi.h | 50 +++++++++++++++++++ .../selftests/kvm/include/riscv/ucall.h | 1 + tools/testing/selftests/kvm/steal_time.c | 4 +- 4 files changed, 54 insertions(+), 40 deletions(-) create mode 100644 tools/testing/selftests/kvm/include/riscv/sbi.h