A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 03:27:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

nfit, libnvdimm: clear poison command support

Browse source 
Add the boiler-plate for a 'clear error' command based on section
9.20.7.6 "Function Index 4 - Clear Uncorrectable Error" from the ACPI
6.1 specification, and add a reference implementation in nfit_test.

Reviewed-by: Vishal Verma <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2016-03-03 16:08:54 -08:00
commit d4f323672a
4 changed files with 72 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

12
drivers/acpi/nfit.c
View file

@ -87,6 +87,7 @@ static struct acpi_device *to_acpi_dev(struct acpi_nfit_desc *acpi_desc)
static int xlat_status(void *buf, unsigned int cmd)
{
struct nd_cmd_clear_error *clear_err;
struct nd_cmd_ars_status *ars_status;
struct nd_cmd_ars_start *ars_start;
struct nd_cmd_ars_cap *ars_cap;
@ -149,6 +150,15 @@ static int xlat_status(void *buf, unsigned int cmd)
if (ars_status->status >> 16)
return -EIO;
break;
case ND_CMD_CLEAR_ERROR:
clear_err = buf;
if (clear_err->status & 0xffff)
return -EIO;
if (!clear_err->cleared)
return -EIO;
if (clear_err->length > clear_err->cleared)
return clear_err->cleared;
break;
default:
break;
}
@ -1002,7 +1012,7 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
if (!adev)
return;
for (i = ND_CMD_ARS_CAP; i <= ND_CMD_ARS_STATUS; i++)
for (i = ND_CMD_ARS_CAP; i <= ND_CMD_CLEAR_ERROR; i++)
if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
set_bit(i, &nd_desc->dsm_mask);
}