From: Shivaprasad G Bhat <sbhat@linux.ibm.com> To: clg@kaod.org, mst@redhat.com, ani@anisinha.ca, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, imammedo@redhat.com, xiaoguangrong.eric@gmail.com, david@gibson.dropbear.id.au, qemu-ppc@nongnu.org Cc: qemu-devel@nongnu.org, aneesh.kumar@linux.ibm.com, nvdimm@lists.linux.dev, kvm-ppc@vger.kernel.org Subject: [PATCH v6 1/3] nvdimm: Add realize, unrealize callbacks to NVDIMMDevice class Date: Tue, 01 Feb 2022 21:57:44 +0000 [thread overview] Message-ID: <164375265999.118489.14958665170590335290.stgit@82dbe1ffb256> (raw) In-Reply-To: <164375265242.118489.1350738893986283213.stgit@82dbe1ffb256> A new subclass inheriting NVDIMMDevice is going to be introduced in subsequent patches. The new subclass uses the realize and unrealize callbacks. Add them on NVDIMMClass to appropriately call them as part of plug-unplug. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> --- hw/mem/nvdimm.c | 16 ++++++++++++++++ hw/mem/pc-dimm.c | 5 +++++ include/hw/mem/nvdimm.h | 2 ++ include/hw/mem/pc-dimm.h | 1 + 4 files changed, 24 insertions(+) diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index 7397b67156..59959d5563 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -181,10 +181,25 @@ static MemoryRegion *nvdimm_md_get_memory_region(MemoryDeviceState *md, static void nvdimm_realize(PCDIMMDevice *dimm, Error **errp) { NVDIMMDevice *nvdimm = NVDIMM(dimm); + NVDIMMClass *ndc = NVDIMM_GET_CLASS(nvdimm); if (!nvdimm->nvdimm_mr) { nvdimm_prepare_memory_region(nvdimm, errp); } + + if (ndc->realize) { + ndc->realize(nvdimm, errp); + } +} + +static void nvdimm_unrealize(PCDIMMDevice *dimm) +{ + NVDIMMDevice *nvdimm = NVDIMM(dimm); + NVDIMMClass *ndc = NVDIMM_GET_CLASS(nvdimm); + + if (ndc->unrealize) { + ndc->unrealize(nvdimm); + } } /* @@ -240,6 +255,7 @@ static void nvdimm_class_init(ObjectClass *oc, void *data) DeviceClass *dc = DEVICE_CLASS(oc); ddc->realize = nvdimm_realize; + ddc->unrealize = nvdimm_unrealize; mdc->get_memory_region = nvdimm_md_get_memory_region; device_class_set_props(dc, nvdimm_properties); diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 48b913aba6..03bd0dd60e 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -216,6 +216,11 @@ static void pc_dimm_realize(DeviceState *dev, Error **errp) static void pc_dimm_unrealize(DeviceState *dev) { PCDIMMDevice *dimm = PC_DIMM(dev); + PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); + + if (ddc->unrealize) { + ddc->unrealize(dimm); + } host_memory_backend_set_mapped(dimm->hostmem, false); } diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index bcf62f825c..cf8f59be44 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -103,6 +103,8 @@ struct NVDIMMClass { /* write @size bytes from @buf to NVDIMM label data at @offset. */ void (*write_label_data)(NVDIMMDevice *nvdimm, const void *buf, uint64_t size, uint64_t offset); + void (*realize)(NVDIMMDevice *nvdimm, Error **errp); + void (*unrealize)(NVDIMMDevice *nvdimm); }; #define NVDIMM_DSM_MEM_FILE "etc/acpi/nvdimm-mem" diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h index 1473e6db62..322bebe555 100644 --- a/include/hw/mem/pc-dimm.h +++ b/include/hw/mem/pc-dimm.h @@ -63,6 +63,7 @@ struct PCDIMMDeviceClass { /* public */ void (*realize)(PCDIMMDevice *dimm, Error **errp); + void (*unrealize)(PCDIMMDevice *dimm); }; void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine,
WARNING: multiple messages have this Message-ID (diff)
From: Shivaprasad G Bhat <sbhat@linux.ibm.com> To: clg@kaod.org, mst@redhat.com, ani@anisinha.ca, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, imammedo@redhat.com, xiaoguangrong.eric@gmail.com, david@gibson.dropbear.id.au, qemu-ppc@nongnu.org Cc: aneesh.kumar@linux.ibm.com, qemu-devel@nongnu.org, kvm-ppc@vger.kernel.org, nvdimm@lists.linux.dev Subject: [PATCH v6 1/3] nvdimm: Add realize, unrealize callbacks to NVDIMMDevice class Date: Tue, 01 Feb 2022 21:57:44 +0000 [thread overview] Message-ID: <164375265999.118489.14958665170590335290.stgit@82dbe1ffb256> (raw) In-Reply-To: <164375265242.118489.1350738893986283213.stgit@82dbe1ffb256> A new subclass inheriting NVDIMMDevice is going to be introduced in subsequent patches. The new subclass uses the realize and unrealize callbacks. Add them on NVDIMMClass to appropriately call them as part of plug-unplug. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> --- hw/mem/nvdimm.c | 16 ++++++++++++++++ hw/mem/pc-dimm.c | 5 +++++ include/hw/mem/nvdimm.h | 2 ++ include/hw/mem/pc-dimm.h | 1 + 4 files changed, 24 insertions(+) diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index 7397b67156..59959d5563 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -181,10 +181,25 @@ static MemoryRegion *nvdimm_md_get_memory_region(MemoryDeviceState *md, static void nvdimm_realize(PCDIMMDevice *dimm, Error **errp) { NVDIMMDevice *nvdimm = NVDIMM(dimm); + NVDIMMClass *ndc = NVDIMM_GET_CLASS(nvdimm); if (!nvdimm->nvdimm_mr) { nvdimm_prepare_memory_region(nvdimm, errp); } + + if (ndc->realize) { + ndc->realize(nvdimm, errp); + } +} + +static void nvdimm_unrealize(PCDIMMDevice *dimm) +{ + NVDIMMDevice *nvdimm = NVDIMM(dimm); + NVDIMMClass *ndc = NVDIMM_GET_CLASS(nvdimm); + + if (ndc->unrealize) { + ndc->unrealize(nvdimm); + } } /* @@ -240,6 +255,7 @@ static void nvdimm_class_init(ObjectClass *oc, void *data) DeviceClass *dc = DEVICE_CLASS(oc); ddc->realize = nvdimm_realize; + ddc->unrealize = nvdimm_unrealize; mdc->get_memory_region = nvdimm_md_get_memory_region; device_class_set_props(dc, nvdimm_properties); diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 48b913aba6..03bd0dd60e 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -216,6 +216,11 @@ static void pc_dimm_realize(DeviceState *dev, Error **errp) static void pc_dimm_unrealize(DeviceState *dev) { PCDIMMDevice *dimm = PC_DIMM(dev); + PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); + + if (ddc->unrealize) { + ddc->unrealize(dimm); + } host_memory_backend_set_mapped(dimm->hostmem, false); } diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index bcf62f825c..cf8f59be44 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -103,6 +103,8 @@ struct NVDIMMClass { /* write @size bytes from @buf to NVDIMM label data at @offset. */ void (*write_label_data)(NVDIMMDevice *nvdimm, const void *buf, uint64_t size, uint64_t offset); + void (*realize)(NVDIMMDevice *nvdimm, Error **errp); + void (*unrealize)(NVDIMMDevice *nvdimm); }; #define NVDIMM_DSM_MEM_FILE "etc/acpi/nvdimm-mem" diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h index 1473e6db62..322bebe555 100644 --- a/include/hw/mem/pc-dimm.h +++ b/include/hw/mem/pc-dimm.h @@ -63,6 +63,7 @@ struct PCDIMMDeviceClass { /* public */ void (*realize)(PCDIMMDevice *dimm, Error **errp); + void (*unrealize)(PCDIMMDevice *dimm); }; void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine,
next prev parent reply other threads:[~2022-02-01 21:58 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-02-01 21:57 [PATCH v6 0/3] spapr: nvdimm: Introduce spapr-nvdimm device Shivaprasad G Bhat 2022-02-01 21:57 ` Shivaprasad G Bhat 2022-02-01 21:57 ` Shivaprasad G Bhat 2022-02-01 21:57 ` Shivaprasad G Bhat [this message] 2022-02-01 21:57 ` [PATCH v6 1/3] nvdimm: Add realize, unrealize callbacks to NVDIMMDevice class Shivaprasad G Bhat 2022-02-02 17:13 ` Daniel Henrique Barboza 2022-02-02 17:13 ` Daniel Henrique Barboza 2022-02-02 17:13 ` Daniel Henrique Barboza 2022-02-01 21:57 ` [PATCH v6 2/3] spapr: nvdimm: Implement H_SCM_FLUSH hcall Shivaprasad G Bhat 2022-02-01 21:57 ` Shivaprasad G Bhat 2022-02-01 21:57 ` Shivaprasad G Bhat 2022-02-02 18:51 ` Daniel Henrique Barboza 2022-02-02 18:51 ` Daniel Henrique Barboza 2022-02-02 18:51 ` Daniel Henrique Barboza 2022-02-01 21:58 ` [PATCH v6 3/3] spapr: nvdimm: Introduce spapr-nvdimm device Shivaprasad G Bhat 2022-02-01 21:58 ` Shivaprasad G Bhat 2022-02-01 21:58 ` Shivaprasad G Bhat 2022-02-02 18:57 ` Daniel Henrique Barboza 2022-02-02 18:57 ` Daniel Henrique Barboza 2022-02-02 18:57 ` Daniel Henrique Barboza
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