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[Qemu-devel] [PATCH 15/16] nvdimm: support NFIT_CMD_GET_CONFIG_DATA
From: |
Xiao Guangrong |
Subject: |
[Qemu-devel] [PATCH 15/16] nvdimm: support NFIT_CMD_GET_CONFIG_DATA |
Date: |
Wed, 1 Jul 2015 22:50:31 +0800 |
Function 5 is used to get Namespace Label Data
Signed-off-by: Xiao Guangrong <address@hidden>
---
hw/mem/pc-nvdimm.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/hw/mem/pc-nvdimm.c b/hw/mem/pc-nvdimm.c
index 7e5446c..0498de3 100644
--- a/hw/mem/pc-nvdimm.c
+++ b/hw/mem/pc-nvdimm.c
@@ -423,6 +423,7 @@ struct dsm_buffer {
uint32_t arg1;
uint32_t arg2;
union {
+ struct cmd_in_get_config_data cmd_config_get;
struct cmd_in_set_config_data cmd_config_set;
char arg3[PAGE_SIZE - 3 * sizeof(uint32_t) - 16 * sizeof(uint8_t)];
};
@@ -525,6 +526,35 @@ exit:
return status;
}
+static uint32_t dsm_cmd_config_get(struct dsm_buffer *in, struct dsm_out *out)
+{
+ GSList *list = get_nvdimm_built_list();
+ PCNVDIMMDevice *nvdimm = get_nvdimm_device_by_handle(list, in->handle);
+ struct cmd_in_get_config_data *cmd_in = &in->cmd_config_get;
+ uint32_t status = NFIT_STATUS_NON_EXISTING_MEM_DEV;
+
+ if (!nvdimm) {
+ goto exit;
+ }
+
+ nvdebug("Read Config: offset %#x length %#x.\n", cmd_in->offset,
+ cmd_in->length);
+ if (nvdimm->config_data_size < cmd_in->length + cmd_in->offset) {
+ nvdebug("position %#x is beyond config data (len = %#lx).\n",
+ cmd_in->length + cmd_in->offset, nvdimm->config_data_size);
+ status = NFIT_STATUS_INVALID_PARAS;
+ goto exit;
+ }
+
+ status = NFIT_STATUS_SUCCESS;
+ memcpy(out->cmd_config_get.out_buf, nvdimm->config_data_addr +
+ cmd_in->offset, cmd_in->length);
+
+exit:
+ g_slist_free(list);
+ return status;
+}
+
static void dsm_write_nvdimm(struct dsm_buffer *in, struct dsm_out *out)
{
uint32_t function = in->arg2;
@@ -537,6 +567,9 @@ static void dsm_write_nvdimm(struct dsm_buffer *in, struct
dsm_out *out)
case NFIT_CMD_GET_CONFIG_SIZE:
status = dsm_cmd_config_size(in, out);
break;
+ case NFIT_CMD_GET_CONFIG_DATA:
+ status = dsm_cmd_config_get(in, out);
+ break;
default:
status = NFIT_STATUS_NOT_SUPPORTED;
};
--
2.1.0
- [Qemu-devel] [PATCH 03/16] acpi: add aml_derefof, (continued)
- [Qemu-devel] [PATCH 03/16] acpi: add aml_derefof, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 05/16] acpi: add aml_create_field, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 06/16] pc: implement NVDIMM device abstract, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 07/16] nvdimm: reserve address range for NVDIMM, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 08/16] nvdimm: init backend memory mapping and config data area, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 10/16] nvdimm: init the address region used by _DSM method, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 09/16] nvdimm: build ACPI NFIT table, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 11/16] nvdimm: build ACPI nvdimm devices, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 13/16] nvdimm: support NFIT_CMD_IMPLEMENTED function, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 12/16] nvdimm: save arg3 for NVDIMM device _DSM method, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 15/16] nvdimm: support NFIT_CMD_GET_CONFIG_DATA,
Xiao Guangrong <=
- [Qemu-devel] [PATCH 14/16] nvdimm: support NFIT_CMD_GET_CONFIG_SIZE function, Xiao Guangrong, 2015/07/01
- [Qemu-devel] [PATCH 16/16] nvdimm: support NFIT_CMD_SET_CONFIG_DATA, Xiao Guangrong, 2015/07/01
- Re: [Qemu-devel] [PATCH 00/16] implement vNVDIMM, Michael S. Tsirkin, 2015/07/02
- Re: [Qemu-devel] [PATCH 00/16] implement vNVDIMM, Stefan Hajnoczi, 2015/07/02