| Message ID | 161650723903.2959.2652600316416885453.stgit@6532096d84d3 (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spapr: nvdimm: Enable sync-dax property for nvdimm | expand |
On Tue, Mar 23, 2021 at 09:47:23AM -0400, Shivaprasad G Bhat wrote: > The subsequent patches add definitions which tend to > get the compilation to cyclic dependency. So, prepare > with forward declarations, move the defitions and clean up. > > Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> > --- > hw/ppc/spapr_nvdimm.c | 12 ++++++++++++ > include/hw/ppc/spapr_nvdimm.h | 21 ++++++--------------- > 2 files changed, 18 insertions(+), 15 deletions(-) > > diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c > index b46c36917c..8cf3fb2ffb 100644 > --- a/hw/ppc/spapr_nvdimm.c > +++ b/hw/ppc/spapr_nvdimm.c > @@ -31,6 +31,18 @@ > #include "qemu/range.h" > #include "hw/ppc/spapr_numa.h" > > +/* > + * The nvdimm size should be aligned to SCM block size. > + * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE > + * inorder to have SCM regions not to overlap with dimm memory regions. > + * The SCM devices can have variable block sizes. For now, fixing the > + * block size to the minimum value. > + */ > +#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE > + > +/* Have an explicit check for alignment */ > +QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE); > + > bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm, > uint64_t size, Error **errp) > { > diff --git a/include/hw/ppc/spapr_nvdimm.h b/include/hw/ppc/spapr_nvdimm.h > index 73be250e2a..abcacda5d7 100644 > --- a/include/hw/ppc/spapr_nvdimm.h > +++ b/include/hw/ppc/spapr_nvdimm.h > @@ -11,23 +11,14 @@ > #define HW_SPAPR_NVDIMM_H > > #include "hw/mem/nvdimm.h" > -#include "hw/ppc/spapr.h" > > -/* > - * The nvdimm size should be aligned to SCM block size. > - * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE > - * inorder to have SCM regions not to overlap with dimm memory regions. > - * The SCM devices can have variable block sizes. For now, fixing the > - * block size to the minimum value. > - */ > -#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE > - > -/* Have an explicit check for alignment */ > -QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE); > +struct SpaprDrc; > +struct SpaprMachineState; > > -int spapr_pmem_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, > - void *fdt, int *fdt_start_offset, Error **errp); > -void spapr_dt_persistent_memory(SpaprMachineState *spapr, void *fdt); > +int spapr_pmem_dt_populate(struct SpaprDrc *drc, Using explicit struct tags is against qemu coding style. You should put a typedef on the forward decl so you don't need to do it here (see examples in spapr_pci.c amongst other places). > + struct SpaprMachineState *spapr, void *fdt, > + int *fdt_start_offset, Error **errp); > +void spapr_dt_persistent_memory(struct SpaprMachineState *spapr, void *fdt); > bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm, > uint64_t size, Error **errp); > void spapr_add_nvdimm(DeviceState *dev, uint64_t slot); > >
diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c index b46c36917c..8cf3fb2ffb 100644 --- a/hw/ppc/spapr_nvdimm.c +++ b/hw/ppc/spapr_nvdimm.c @@ -31,6 +31,18 @@ #include "qemu/range.h" #include "hw/ppc/spapr_numa.h" +/* + * The nvdimm size should be aligned to SCM block size. + * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE + * inorder to have SCM regions not to overlap with dimm memory regions. + * The SCM devices can have variable block sizes. For now, fixing the + * block size to the minimum value. + */ +#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE + +/* Have an explicit check for alignment */ +QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE); + bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm, uint64_t size, Error **errp) { diff --git a/include/hw/ppc/spapr_nvdimm.h b/include/hw/ppc/spapr_nvdimm.h index 73be250e2a..abcacda5d7 100644 --- a/include/hw/ppc/spapr_nvdimm.h +++ b/include/hw/ppc/spapr_nvdimm.h @@ -11,23 +11,14 @@ #define HW_SPAPR_NVDIMM_H #include "hw/mem/nvdimm.h" -#include "hw/ppc/spapr.h" -/* - * The nvdimm size should be aligned to SCM block size. - * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE - * inorder to have SCM regions not to overlap with dimm memory regions. - * The SCM devices can have variable block sizes. For now, fixing the - * block size to the minimum value. - */ -#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE - -/* Have an explicit check for alignment */ -QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE); +struct SpaprDrc; +struct SpaprMachineState; -int spapr_pmem_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, - void *fdt, int *fdt_start_offset, Error **errp); -void spapr_dt_persistent_memory(SpaprMachineState *spapr, void *fdt); +int spapr_pmem_dt_populate(struct SpaprDrc *drc, + struct SpaprMachineState *spapr, void *fdt, + int *fdt_start_offset, Error **errp); +void spapr_dt_persistent_memory(struct SpaprMachineState *spapr, void *fdt); bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm, uint64_t size, Error **errp); void spapr_add_nvdimm(DeviceState *dev, uint64_t slot);
The subsequent patches add definitions which tend to get the compilation to cyclic dependency. So, prepare with forward declarations, move the defitions and clean up. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> --- hw/ppc/spapr_nvdimm.c | 12 ++++++++++++ include/hw/ppc/spapr_nvdimm.h | 21 ++++++--------------- 2 files changed, 18 insertions(+), 15 deletions(-)