sizeof(NvdimmNfitHeader) + fit_buf->fit->len, 1, NULL, NULL);
}
+#define NVDIMM_DSM_MEMORY_SIZE 4096
+
struct NvdimmDsmIn {
uint32_t handle;
uint32_t revision;
};
} QEMU_PACKED;
typedef struct NvdimmDsmIn NvdimmDsmIn;
-QEMU_BUILD_BUG_ON(sizeof(NvdimmDsmIn) != 4096);
+QEMU_BUILD_BUG_ON(sizeof(NvdimmDsmIn) != NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmDsmOut {
/* the size of buffer filled by QEMU. */
uint8_t data[4092];
} QEMU_PACKED;
typedef struct NvdimmDsmOut NvdimmDsmOut;
-QEMU_BUILD_BUG_ON(sizeof(NvdimmDsmOut) != 4096);
+QEMU_BUILD_BUG_ON(sizeof(NvdimmDsmOut) != NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmDsmFunc0Out {
/* the size of buffer filled by QEMU. */
uint32_t max_xfer;
} QEMU_PACKED;
typedef struct NvdimmFuncGetLabelSizeOut NvdimmFuncGetLabelSizeOut;
-QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncGetLabelSizeOut) > 4096);
+QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncGetLabelSizeOut) > NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmFuncGetLabelDataIn {
uint32_t offset; /* the offset in the namespace label data area. */
} QEMU_PACKED;
typedef struct NvdimmFuncGetLabelDataIn NvdimmFuncGetLabelDataIn;
QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncGetLabelDataIn) +
- offsetof(NvdimmDsmIn, arg3) > 4096);
+ offsetof(NvdimmDsmIn, arg3) > NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmFuncGetLabelDataOut {
/* the size of buffer filled by QEMU. */
uint8_t out_buf[0]; /* the data got via Get Namesapce Label function. */
} QEMU_PACKED;
typedef struct NvdimmFuncGetLabelDataOut NvdimmFuncGetLabelDataOut;
-QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncGetLabelDataOut) > 4096);
+QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncGetLabelDataOut) > NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmFuncSetLabelDataIn {
uint32_t offset; /* the offset in the namespace label data area. */
} QEMU_PACKED;
typedef struct NvdimmFuncSetLabelDataIn NvdimmFuncSetLabelDataIn;
QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncSetLabelDataIn) +
- offsetof(NvdimmDsmIn, arg3) > 4096);
+ offsetof(NvdimmDsmIn, arg3) > NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmFuncReadFITIn {
- uint32_t offset; /* the offset of FIT buffer. */
+ uint32_t offset; /* the offset into FIT buffer. */
} QEMU_PACKED;
typedef struct NvdimmFuncReadFITIn NvdimmFuncReadFITIn;
QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncReadFITIn) +
- offsetof(NvdimmDsmIn, arg3) > 4096);
+ offsetof(NvdimmDsmIn, arg3) > NVDIMM_DSM_MEMORY_SIZE);
struct NvdimmFuncReadFITOut {
/* the size of buffer filled by QEMU. */
uint8_t fit[0]; /* the FIT data. */
} QEMU_PACKED;
typedef struct NvdimmFuncReadFITOut NvdimmFuncReadFITOut;
-QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncReadFITOut) > 4096);
+QEMU_BUILD_BUG_ON(sizeof(NvdimmFuncReadFITOut) > NVDIMM_DSM_MEMORY_SIZE);
static void
nvdimm_dsm_function0(uint32_t supported_func, hwaddr dsm_mem_addr)
cpu_physical_memory_write(dsm_mem_addr, &out, sizeof(out));
}
-#define NVDIMM_QEMU_RSVD_HANDLE_ROOT 0x10000
+#define NVDIMM_DSM_RET_STATUS_SUCCESS 0 /* Success */
+#define NVDIMM_DSM_RET_STATUS_UNSUPPORT 1 /* Not Supported */
+#define NVDIMM_DSM_RET_STATUS_NOMEMDEV 2 /* Non-Existing Memory Device */
+#define NVDIMM_DSM_RET_STATUS_INVALID 3 /* Invalid Input Parameters */
+#define NVDIMM_DSM_RET_STATUS_FIT_CHANGED 0x100 /* FIT Changed */
+
+#define NVDIMM_QEMU_RSVD_HANDLE_ROOT 0x10000
/* Read FIT data, defined in docs/specs/acpi_nvdimm.txt. */
static void nvdimm_dsm_func_read_fit(AcpiNVDIMMState *state, NvdimmDsmIn *in,
read_fit->offset, fit->len, fit_buf->dirty ? "Yes" : "No");
if (read_fit->offset > fit->len) {
- func_ret_status = 3 /* Invalid Input Parameters */;
+ func_ret_status = NVDIMM_DSM_RET_STATUS_INVALID;
goto exit;
}
if (!read_fit->offset) {
fit_buf->dirty = false;
} else if (fit_buf->dirty) { /* FIT has been changed during RFIT. */
- func_ret_status = 0x100 /* fit changed */;
+ func_ret_status = NVDIMM_DSM_RET_STATUS_FIT_CHANGED;
goto exit;
}
- func_ret_status = 0 /* Success */;
+ func_ret_status = NVDIMM_DSM_RET_STATUS_SUCCESS;
read_len = MIN(fit->len - read_fit->offset,
- 4096 - sizeof(NvdimmFuncReadFITOut));
+ NVDIMM_DSM_MEMORY_SIZE - sizeof(NvdimmFuncReadFITOut));
exit:
size = sizeof(NvdimmFuncReadFITOut) + read_len;
g_free(read_fit_out);
}
-static void nvdimm_dsm_reserved_root(AcpiNVDIMMState *state, NvdimmDsmIn *in,
- hwaddr dsm_mem_addr)
+static void
+nvdimm_dsm_handle_reserved_root_method(AcpiNVDIMMState *state,
+ NvdimmDsmIn *in, hwaddr dsm_mem_addr)
{
switch (in->function) {
case 0x0:
nvdimm_dsm_function0(0x1 | 1 << 1 /* Read FIT */, dsm_mem_addr);
return;
- case 0x1 /*Read FIT */:
+ case 0x1 /* Read FIT */:
nvdimm_dsm_func_read_fit(state, in, dsm_mem_addr);
return;
}
- nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_UNSUPPORT, dsm_mem_addr);
}
static void nvdimm_dsm_root(NvdimmDsmIn *in, hwaddr dsm_mem_addr)
}
/* No function except function 0 is supported yet. */
- nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_UNSUPPORT, dsm_mem_addr);
}
/*
*/
static uint32_t nvdimm_get_max_xfer_label_size(void)
{
- uint32_t max_get_size, max_set_size, dsm_memory_size = 4096;
+ uint32_t max_get_size, max_set_size, dsm_memory_size;
+
+ dsm_memory_size = NVDIMM_DSM_MEMORY_SIZE;
/*
* the max data ACPI can read one time which is transferred by
nvdimm_debug("label_size %#x, max_xfer %#x.\n", label_size, mxfer);
- label_size_out.func_ret_status = cpu_to_le32(0 /* Success */);
+ label_size_out.func_ret_status = cpu_to_le32(NVDIMM_DSM_RET_STATUS_SUCCESS);
label_size_out.label_size = cpu_to_le32(label_size);
label_size_out.max_xfer = cpu_to_le32(mxfer);
static uint32_t nvdimm_rw_label_data_check(NVDIMMDevice *nvdimm,
uint32_t offset, uint32_t length)
{
- uint32_t ret = 3 /* Invalid Input Parameters */;
+ uint32_t ret = NVDIMM_DSM_RET_STATUS_INVALID;
if (offset + length < offset) {
nvdimm_debug("offset %#x + length %#x is overflow.\n", offset,
return ret;
}
- return 0 /* Success */;
+ return NVDIMM_DSM_RET_STATUS_SUCCESS;
}
/*
status = nvdimm_rw_label_data_check(nvdimm, get_label_data->offset,
get_label_data->length);
- if (status != 0 /* Success */) {
+ if (status != NVDIMM_DSM_RET_STATUS_SUCCESS) {
nvdimm_dsm_no_payload(status, dsm_mem_addr);
return;
}
size = sizeof(*get_label_data_out) + get_label_data->length;
- assert(size <= 4096);
+ assert(size <= NVDIMM_DSM_MEMORY_SIZE);
get_label_data_out = g_malloc(size);
get_label_data_out->len = cpu_to_le32(size);
- get_label_data_out->func_ret_status = cpu_to_le32(0 /* Success */);
+ get_label_data_out->func_ret_status =
+ cpu_to_le32(NVDIMM_DSM_RET_STATUS_SUCCESS);
nvc->read_label_data(nvdimm, get_label_data_out->out_buf,
get_label_data->length, get_label_data->offset);
status = nvdimm_rw_label_data_check(nvdimm, set_label_data->offset,
set_label_data->length);
- if (status != 0 /* Success */) {
+ if (status != NVDIMM_DSM_RET_STATUS_SUCCESS) {
nvdimm_dsm_no_payload(status, dsm_mem_addr);
return;
}
- assert(offsetof(NvdimmDsmIn, arg3) +
- sizeof(*set_label_data) + set_label_data->length <= 4096);
+ assert(offsetof(NvdimmDsmIn, arg3) + sizeof(*set_label_data) +
+ set_label_data->length <= NVDIMM_DSM_MEMORY_SIZE);
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);
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_SUCCESS, dsm_mem_addr);
}
static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr dsm_mem_addr)
}
if (!nvdimm) {
- nvdimm_dsm_no_payload(2 /* Non-Existing Memory Device */,
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_NOMEMDEV,
dsm_mem_addr);
return;
}
break;
}
- nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_UNSUPPORT, dsm_mem_addr);
}
static uint64_t
if (in->revision != 0x1 /* Currently we only support DSM Spec Rev1. */) {
nvdimm_debug("Revision %#x is not supported, expect %#x.\n",
in->revision, 0x1);
- nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+ nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_UNSUPPORT, dsm_mem_addr);
goto exit;
}
if (in->handle == NVDIMM_QEMU_RSVD_HANDLE_ROOT) {
- nvdimm_dsm_reserved_root(state, in, dsm_mem_addr);
+ nvdimm_dsm_handle_reserved_root_method(state, in, dsm_mem_addr);
goto exit;
}
aml_append(unsupport, ifctx);
/* No function is supported yet. */
- byte_list[0] = 1 /* Not Supported */;
+ byte_list[0] = NVDIMM_DSM_RET_STATUS_UNSUPPORT;
aml_append(unsupport, aml_return(aml_buffer(1, byte_list)));
aml_append(method, unsupport);
buf_size = aml_local(1);
fit = aml_local(2);
- aml_append(dev, aml_create_dword_field(aml_buffer(4, NULL),
- aml_int(0), NVDIMM_DSM_RFIT_STATUS));
+ aml_append(dev, aml_name_decl(NVDIMM_DSM_RFIT_STATUS, aml_int(0)));
/* build helper function, RFIT. */
method = aml_method("RFIT", 1, AML_SERIALIZED);
- aml_append(method, aml_create_dword_field(aml_buffer(4, NULL),
- aml_int(0), "OFST"));
+ aml_append(method, aml_name_decl("OFST", aml_int(0)));
/* prepare input package. */
pkg = aml_package(1);
aml_name(NVDIMM_DSM_RFIT_STATUS)));
/* if something is wrong during _DSM. */
- ifcond = aml_equal(aml_int(0 /* Success */), aml_name("STAU"));
+ ifcond = aml_equal(aml_int(NVDIMM_DSM_RET_STATUS_SUCCESS),
+ aml_name("STAU"));
ifctx = aml_if(aml_lnot(ifcond));
aml_append(ifctx, aml_return(aml_buffer(0, NULL)));
aml_append(method, ifctx);
* again.
*/
ifctx = aml_if(aml_equal(aml_name(NVDIMM_DSM_RFIT_STATUS),
- aml_int(0x100 /* fit changed */)));
+ aml_int(NVDIMM_DSM_RET_STATUS_FIT_CHANGED)));
aml_append(ifctx, aml_store(aml_buffer(0, NULL), fit));
aml_append(ifctx, aml_store(aml_int(0), offset));
aml_append(whilectx, ifctx);
projects / qemu.git / blobdiff