[PATCH 2/3] acpi, nfit: Enable DSM pass thru for root functions.
From: Jerry Hoemann
Date: Wed Jun 07 2017 - 13:05:05 EST
Set ND_CMD_CALL in the cmd_mask to enable calling root
functions via the pass trhu mechanism.
Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>
---
drivers/acpi/nfit/core.c | 3 ++-
include/uapi/linux/ndctl.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 656acb5..a848b17 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1620,9 +1620,10 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
if (!adev)
return;
- for (i = ND_CMD_ARS_CAP; i <= ND_CMD_CLEAR_ERROR; i++)
+ for (i = ND_CMD_ARS_CAP; i < ND_CMD_CALL; i++)
if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
set_bit(i, &nd_desc->cmd_mask);
+ set_bit(ND_CMD_CALL, &nd_desc->cmd_mask);
}
static ssize_t range_index_show(struct device *dev,
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 7ad3863..e23c37f 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -179,6 +179,7 @@ static inline const char *nvdimm_bus_cmd_name(unsigned cmd)
[ND_CMD_ARS_START] = "ars_start",
[ND_CMD_ARS_STATUS] = "ars_status",
[ND_CMD_CLEAR_ERROR] = "clear_error",
+ [ND_CMD_CALL] = "cmd_call",
};
if (cmd < ARRAY_SIZE(names) && names[cmd])
--
1.8.5.6