From: Joerg Roedel <[email protected]> Add a new accelerator operation to request the highest supported plane number of a given machine instance.
Signed-off-by: Joerg Roedel <[email protected]> --- accel/accel-system.c | 13 +++++++++++++ include/accel/accel-ops.h | 3 +++ include/qemu/accel.h | 7 +++++++ 3 files changed, 23 insertions(+) diff --git a/accel/accel-system.c b/accel/accel-system.c index 150af05bf5bf..968473b8692a 100644 --- a/accel/accel-system.c +++ b/accel/accel-system.c @@ -75,6 +75,19 @@ void accel_pre_resume(MachineState *ms, bool step_pending) } } +uint8_t accel_nr_planes(MachineState *ms) +{ + AccelState *accel = ms->accelerator; + AccelClass *acc = ACCEL_GET_CLASS(accel); + uint8_t nr_planes = 1; + + if (acc->nr_planes != NULL) { + nr_planes = acc->nr_planes(accel, ms); + } + + return nr_planes; +} + /* initialize the arch-independent accel operation interfaces */ void accel_init_ops_interfaces(AccelClass *ac) { diff --git a/include/accel/accel-ops.h b/include/accel/accel-ops.h index f46492e3fe15..1d5decb9359b 100644 --- a/include/accel/accel-ops.h +++ b/include/accel/accel-ops.h @@ -36,6 +36,9 @@ struct AccelClass { bool (*has_memory)(AccelState *accel, AddressSpace *as, hwaddr start_addr, hwaddr size); + /* planes related hooks */ + uint8_t (*nr_planes)(AccelState *as, MachineState *ms); + /* gdbstub related hooks */ int (*gdbstub_supported_sstep_flags)(AccelState *as); diff --git a/include/qemu/accel.h b/include/qemu/accel.h index d3638c7bfda7..2ecf33e1fa21 100644 --- a/include/qemu/accel.h +++ b/include/qemu/accel.h @@ -81,4 +81,11 @@ void accel_cpu_common_unrealize(CPUState *cpu); */ int accel_supported_gdbstub_sstep_flags(void); +/** + * accel_nr_planes: + * + * Returns the number of the highest support plane of a given MachineState. + */ +uint8_t accel_nr_planes(MachineState *ms); + #endif /* QEMU_ACCEL_H */ -- 2.53.0
