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[Qemu-devel] [PATCH v4 31/33] nvdimm acpi: support DSM_DEV_FUN_SET_NAMES
From: |
Xiao Guangrong |
Subject: |
[Qemu-devel] [PATCH v4 31/33] nvdimm acpi: support DSM_DEV_FUN_SET_NAMESPACE_LABEL_DATA |
Date: |
Mon, 19 Oct 2015 08:54:17 +0800 |
Function 6 is used to set Namespace Label Data
Signed-off-by: Xiao Guangrong <address@hidden>
---
hw/acpi/nvdimm.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 1683a82..838a57e 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -529,6 +529,11 @@ struct cmd_out_get_label_data {
} QEMU_PACKED;
typedef struct cmd_out_get_label_data cmd_out_get_label_data;
+struct cmd_out_set_label_data {
+ uint32_t status;
+};
+typedef struct cmd_out_set_label_data cmd_out_set_label_data;
+
struct dsm_out {
/* the size of buffer filled by QEMU. */
uint32_t len;
@@ -537,6 +542,7 @@ struct dsm_out {
cmd_out_implemented cmd_implemented;
cmd_out_label_size cmd_label_size;
cmd_out_get_label_data cmd_get_label_data;
+ cmd_out_set_label_data cmd_set_label_data;
};
} QEMU_PACKED;
typedef struct dsm_out dsm_out;
@@ -666,6 +672,43 @@ exit:
nvdimm_dsm_write_status(out, status);
}
+/*
+ * please refer to DSM specification 4.6 Set Namespace Label Data
+ * (Function Index 6).
+ */
+static void
+nvdimm_dsm_cmd_set_label_data(NVDIMMDevice *nvdimm, dsm_in *in, GArray *out)
+{
+ cmd_in_set_label_data *cmd_in = &in->cmd_set_label_data;
+ uint32_t status;
+
+ le32_to_cpus(&cmd_in->offset);
+ le32_to_cpus(&cmd_in->length);
+
+ nvdimm_debug("Write Label Data: offset %#x length %#x.\n",
+ cmd_in->offset, cmd_in->length);
+ if (nvdimm->label_size < cmd_in->offset + cmd_in->length) {
+ nvdimm_debug("position %#x is beyond label data (len = %#lx).\n",
+ cmd_in->offset + cmd_in->length, nvdimm->label_size);
+ status = DSM_DEV_STATUS_INVALID_PARAS;
+ goto exit;
+ }
+
+ if (cmd_in->length > nvdimm_get_max_xfer_label_size()) {
+ nvdimm_debug("set length (%#x) is larger than max_xfer (%#x).\n",
+ cmd_in->length, nvdimm_get_max_xfer_label_size());
+ status = DSM_DEV_STATUS_INVALID_PARAS;
+ goto exit;
+ }
+
+ status = DSM_STATUS_SUCCESS;
+ memcpy(nvdimm->label_data + cmd_in->offset, cmd_in->in_buf,
+ cmd_in->length);
+
+exit:
+ nvdimm_dsm_write_status(out, status);
+}
+
static void nvdimm_dsm_write_nvdimm(dsm_in *in, GArray *out)
{
GSList *list = nvdimm_get_plugged_device_list();
@@ -689,6 +732,9 @@ static void nvdimm_dsm_write_nvdimm(dsm_in *in, GArray *out)
case DSM_DEV_FUN_GET_NAMESPACE_LABEL_DATA:
nvdimm_dsm_cmd_get_label_data(nvdimm, in, out);
goto free;
+ case DSM_DEV_FUN_SET_NAMESPACE_LABEL_DATA:
+ nvdimm_dsm_cmd_set_label_data(nvdimm, in, out);
+ goto free;
default:
status = DSM_STATUS_NOT_SUPPORTED;
};
--
1.8.3.1
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, (continued)
Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Stefan Hajnoczi, 2015/10/20
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Michael S. Tsirkin, 2015/10/20
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Xiao Guangrong, 2015/10/20
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Xiao Guangrong, 2015/10/20
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Stefan Hajnoczi, 2015/10/21
- Re: [Qemu-devel] [PATCH v4 28/33] nvdimm acpi: support DSM_FUN_IMPLEMENTED function, Xiao Guangrong, 2015/10/21
[Qemu-devel] [PATCH v4 30/33] nvdimm acpi: support DSM_DEV_FUN_GET_NAMESPACE_LABEL_DATA, Xiao Guangrong, 2015/10/18
[Qemu-devel] [PATCH v4 31/33] nvdimm acpi: support DSM_DEV_FUN_SET_NAMESPACE_LABEL_DATA,
Xiao Guangrong <=
[Qemu-devel] [PATCH v4 33/33] nvdimm: add maintain info, Xiao Guangrong, 2015/10/18
[Qemu-devel] [PATCH v4 32/33] nvdimm: allow using whole backend memory as pmem, Xiao Guangrong, 2015/10/18