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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [qemu-xen master] nvdimm acpi: define DSM return codes
commit c2fa30757a2ba1bb5b053883773a9a61fbdd7082
Author: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
AuthorDate: Mon Nov 7 19:13:45 2016 +0800
Commit: Michael S. Tsirkin <mst@xxxxxxxxxx>
CommitDate: Tue Nov 15 17:20:37 2016 +0200
nvdimm acpi: define DSM return codes
and use these codes to refine the code
Suggested-by: Igor Mammedov <imammedo@xxxxxxxxxx>
Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
Reviewed-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Reviewed-by: Igor Mammedov <imammedo@xxxxxxxxxx>
---
hw/acpi/nvdimm.c | 46 +++++++++++++++++++++++++++-------------------
1 file changed, 27 insertions(+), 19 deletions(-)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 7733f14..c7e7744 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -514,7 +514,13 @@ nvdimm_dsm_no_payload(uint32_t func_ret_status, 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,
@@ -536,7 +542,7 @@ 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;
}
@@ -544,11 +550,11 @@ static void nvdimm_dsm_func_read_fit(AcpiNVDIMMState
*state, NvdimmDsmIn *in,
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));
@@ -577,7 +583,7 @@ static void nvdimm_dsm_reserved_root(AcpiNVDIMMState
*state, NvdimmDsmIn *in,
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)
@@ -593,7 +599,7 @@ 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);
}
/*
@@ -639,7 +645,7 @@ static void nvdimm_dsm_label_size(NVDIMMDevice *nvdimm,
hwaddr dsm_mem_addr)
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);
@@ -650,7 +656,7 @@ static void nvdimm_dsm_label_size(NVDIMMDevice *nvdimm,
hwaddr dsm_mem_addr)
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,
@@ -670,7 +676,7 @@ static uint32_t nvdimm_rw_label_data_check(NVDIMMDevice
*nvdimm,
return ret;
}
- return 0 /* Success */;
+ return NVDIMM_DSM_RET_STATUS_SUCCESS;
}
/*
@@ -694,7 +700,7 @@ static void nvdimm_dsm_get_label_data(NVDIMMDevice *nvdimm,
NvdimmDsmIn *in,
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;
}
@@ -704,7 +710,8 @@ static void nvdimm_dsm_get_label_data(NVDIMMDevice *nvdimm,
NvdimmDsmIn *in,
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);
@@ -732,7 +739,7 @@ static void nvdimm_dsm_set_label_data(NVDIMMDevice *nvdimm,
NvdimmDsmIn *in,
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;
}
@@ -742,7 +749,7 @@ static void nvdimm_dsm_set_label_data(NVDIMMDevice *nvdimm,
NvdimmDsmIn *in,
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)
@@ -766,7 +773,7 @@ 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;
}
@@ -793,7 +800,7 @@ static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr
dsm_mem_addr)
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
@@ -830,7 +837,7 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
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;
}
@@ -1018,7 +1025,7 @@ static void nvdimm_build_common_dsm(Aml *dev)
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);
@@ -1119,7 +1126,8 @@ static void nvdimm_build_fit(Aml *dev)
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);
@@ -1156,7 +1164,7 @@ static void nvdimm_build_fit(Aml *dev)
* 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);
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master
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