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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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This commit is contained in:
David S. Miller 2016-12-10 16:21:55 -05:00
commit 821781a9f4
80 changed files with 864 additions and 280 deletions
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55
drivers/acpi/nfit/core.c
View file

@ -94,7 +94,7 @@ static struct acpi_device *to_acpi_dev(struct acpi_nfit_desc *acpi_desc)
return to_acpi_device(acpi_desc->dev);
}
static int xlat_status(void *buf, unsigned int cmd, u32 status)
static int xlat_bus_status(void *buf, unsigned int cmd, u32 status)
{
struct nd_cmd_clear_error *clear_err;
struct nd_cmd_ars_status *ars_status;
@ -113,7 +113,7 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
flags = ND_ARS_PERSISTENT | ND_ARS_VOLATILE;
if ((status >> 16 & flags) == 0)
return -ENOTTY;
break;
return 0;
case ND_CMD_ARS_START:
/* ARS is in progress */
if ((status & 0xffff) == NFIT_ARS_START_BUSY)
@ -122,7 +122,7 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
/* Command failed */
if (status & 0xffff)
return -EIO;
break;
return 0;
case ND_CMD_ARS_STATUS:
ars_status = buf;
/* Command failed */
@ -146,7 +146,8 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
* then just continue with the returned results.
*/
if (status == NFIT_ARS_STATUS_INTR) {
if (ars_status->flags & NFIT_ARS_F_OVERFLOW)
if (ars_status->out_length >= 40 && (ars_status->flags
& NFIT_ARS_F_OVERFLOW))
return -ENOSPC;
return 0;
}
@ -154,7 +155,7 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
/* Unknown status */
if (status >> 16)
return -EIO;
break;
return 0;
case ND_CMD_CLEAR_ERROR:
clear_err = buf;
if (status & 0xffff)
@ -163,7 +164,7 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
return -EIO;
if (clear_err->length > clear_err->cleared)
return clear_err->cleared;
break;
return 0;
default:
break;
}
@ -174,9 +175,18 @@ static int xlat_status(void *buf, unsigned int cmd, u32 status)
return 0;
}
static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc,
struct nvdimm *nvdimm, unsigned int cmd, void *buf,
unsigned int buf_len, int *cmd_rc)
static int xlat_status(struct nvdimm *nvdimm, void *buf, unsigned int cmd,
u32 status)
{
if (!nvdimm)
return xlat_bus_status(buf, cmd, status);
if (status)
return -EIO;
return 0;
}
int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc)
{
struct acpi_nfit_desc *acpi_desc = to_acpi_nfit_desc(nd_desc);
union acpi_object in_obj, in_buf, *out_obj;
@ -298,7 +308,8 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc,
for (i = 0, offset = 0; i < desc->out_num; i++) {
u32 out_size = nd_cmd_out_size(nvdimm, cmd, desc, i, buf,
(u32 *) out_obj->buffer.pointer);
(u32 *) out_obj->buffer.pointer,
out_obj->buffer.length - offset);
if (offset + out_size > out_obj->buffer.length) {
dev_dbg(dev, "%s:%s output object underflow cmd: %s field: %d\n",
@ -333,7 +344,8 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc,
*/
rc = buf_len - offset - in_buf.buffer.length;
if (cmd_rc)
*cmd_rc = xlat_status(buf, cmd, fw_status);
*cmd_rc = xlat_status(nvdimm, buf, cmd,
fw_status);
} else {
dev_err(dev, "%s:%s underrun cmd: %s buf_len: %d out_len: %d\n",
__func__, dimm_name, cmd_name, buf_len,
@ -343,7 +355,7 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc,
} else {
rc = 0;
if (cmd_rc)
*cmd_rc = xlat_status(buf, cmd, fw_status);
*cmd_rc = xlat_status(nvdimm, buf, cmd, fw_status);
}
out:
@ -351,6 +363,7 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc,
return rc;
}
EXPORT_SYMBOL_GPL(acpi_nfit_ctl);
static const char *spa_type_name(u16 type)
{
@ -2001,19 +2014,32 @@ static int ars_get_status(struct acpi_nfit_desc *acpi_desc)
return cmd_rc;
}
static int ars_status_process_records(struct nvdimm_bus *nvdimm_bus,
static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc,
struct nd_cmd_ars_status *ars_status)
{
struct nvdimm_bus *nvdimm_bus = acpi_desc->nvdimm_bus;
int rc;
u32 i;
/*
* First record starts at 44 byte offset from the start of the
* payload.
*/
if (ars_status->out_length < 44)
return 0;
for (i = 0; i < ars_status->num_records; i++) {
/* only process full records */
if (ars_status->out_length
< 44 + sizeof(struct nd_ars_record) * (i + 1))
break;
rc = nvdimm_bus_add_poison(nvdimm_bus,
ars_status->records[i].err_address,
ars_status->records[i].length);
if (rc)
return rc;
}
if (i < ars_status->num_records)
dev_warn(acpi_desc->dev, "detected truncated ars results\n");
return 0;
}
@ -2266,8 +2292,7 @@ static int acpi_nfit_query_poison(struct acpi_nfit_desc *acpi_desc,
if (rc < 0 && rc != -ENOSPC)
return rc;
if (ars_status_process_records(acpi_desc->nvdimm_bus,
acpi_desc->ars_status))
if (ars_status_process_records(acpi_desc, acpi_desc->ars_status))
return -ENOMEM;
return 0;

2
drivers/acpi/nfit/nfit.h
View file

@ -240,5 +240,7 @@ const u8 *to_nfit_uuid(enum nfit_uuids id);
int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, void *nfit, acpi_size sz);
void __acpi_nfit_notify(struct device *dev, acpi_handle handle, u32 event);
void __acpi_nvdimm_notify(struct device *dev, u32 event);
int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc);
void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev);
#endif /* __NFIT_H__ */