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nvdimm acpi: support Set Namespace Label Data function

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Function 6 is used to set Namespace Label Data

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xiao Guangrong 2016-06-07 20:22:08 +08:00 committed by Michael S. Tsirkin
parent 2b9e57fc7f
commit 14e44198ff
1 changed files with 43 additions and 1 deletions
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44
hw/acpi/nvdimm.c
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@ -463,6 +463,8 @@ struct NvdimmFuncSetLabelDataIn {
uint8_t in_buf[0]; /* the data written to label data area. */
} QEMU_PACKED;
typedef struct NvdimmFuncSetLabelDataIn NvdimmFuncSetLabelDataIn;
QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncSetLabelDataIn) +
offsetof(NvdimmDsmIn, arg3) > 4096);
static void
nvdimm_dsm_function0(uint32_t supported_func, hwaddr dsm_mem_addr)
@ -616,6 +618,39 @@ static void nvdimm_dsm_get_label_data(NVDIMMDevice *nvdimm, NvdimmDsmIn *in,
g_free(get_label_data_out);
}
/*
* DSM Spec Rev1 4.6 Set Namespace Label Data (Function Index 6).
*/
static void nvdimm_dsm_set_label_data(NVDIMMDevice *nvdimm, NvdimmDsmIn *in,
hwaddr dsm_mem_addr)
{
NVDIMMClass *nvc = NVDIMM_GET_CLASS(nvdimm);
NvdimmFuncSetLabelDataIn *set_label_data;
uint32_t status;
set_label_data = (NvdimmFuncSetLabelDataIn *)in->arg3;
le32_to_cpus(&set_label_data->offset);
le32_to_cpus(&set_label_data->length);
nvdimm_debug("Write Label Data: offset %#x length %#x.\n",
set_label_data->offset, set_label_data->length);
status = nvdimm_rw_label_data_check(nvdimm, set_label_data->offset,
set_label_data->length);
if (status != 0 /* Success */) {
nvdimm_dsm_no_payload(status, dsm_mem_addr);
return;
}
assert(sizeof(*in) + sizeof(*set_label_data) + set_label_data->length <=
4096);
nvc->write_label_data(nvdimm, set_label_data->in_buf,
set_label_data->length, set_label_data->offset);
nvdimm_dsm_no_payload(0 /* Success */, dsm_mem_addr);
}
static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr)
{
NVDIMMDevice *nvdimm = nvdimm_get_device_by_handle(in->handle);
@ -629,7 +664,8 @@ static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr)
support for any functions other
than function 0. */ |
1 << 4 /* Get Namespace Label Size */ |
1 << 5 /* Get Namespace Label Data */;
1 << 5 /* Get Namespace Label Data */ |
1 << 6 /* Set Namespace Label Data */;
}
nvdimm_dsm_function0(supported_func, dsm_mem_addr);
return;
@ -655,6 +691,12 @@ static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr)
return;
}
break;
case 0x6 /* Set Namespace Label Data */:
if (nvdimm->label_size) {
nvdimm_dsm_set_label_data(nvdimm, in, dsm_mem_addr);
return;
}
break;
}
nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);