Messages in this thread Patch in this message | | | From | Jerry Hoemann <> | Subject | [PATCH v3 4/7] acpi, nfit: Use bus_dsm_mask for passthru | Date | Thu, 29 Jun 2017 10:56:29 -0600 |
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Populate bus_dsm_mask and use it to filter dsm calls that user can make through the pass thru interface.
Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com> --- drivers/acpi/nfit/core.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index b46fca2..971002b 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -253,6 +253,8 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, cmd_name = nvdimm_bus_cmd_name(cmd); cmd_mask = nd_desc->cmd_mask; dsm_mask = cmd_mask; + if (cmd == ND_CMD_CALL) + dsm_mask = nd_desc->bus_dsm_mask; desc = nd_cmd_bus_desc(cmd); uuid = to_nfit_uuid(NFIT_DEV_BUS); handle = adev->handle; @@ -1624,6 +1626,9 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc) 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); + for (i = 0; i < ND_CMD_CALL; i++) + if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i)) + set_bit(i, &nd_desc->bus_dsm_mask); } static ssize_t range_index_show(struct device *dev, -- 1.8.5.6
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