acpi, nfit: Enable DSM pass thru for root functions.

Set ND_CMD_CALL in the cmd_mask to enable calling root
functions via the pass thru mechanism.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 957b13152d1bd51b8a45a7a29ed8dce48cbfaa72..b16e4ef7a5cab2c30771d9ff17fe7e59a212cedb 100644 (file)
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1623,6 +1623,7 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
        for (i = ND_CMD_ARS_CAP; i <= ND_CMD_CLEAR_ERROR; i++)
                if (acpi_check_dsm(adev->handle, guid, 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 7ad3863cb88b5b86766521bcee795e1a794faba3..e23c37fedadeadddf84052fd1fb27293935c3783 100644 (file)
--- 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])