Adding generic and intel support function to allow check if update firmware is supported by the kernel.
Signed-off-by: Dave Jiang <dave.ji...@intel.com> --- ndctl/lib/firmware.c | 11 +++++++++++ ndctl/lib/intel.c | 24 ++++++++++++++++++++++++ ndctl/lib/libndctl.sym | 1 + ndctl/lib/private.h | 1 + ndctl/libndctl.h | 1 + ndctl/update.c | 7 ++++++- 6 files changed, 44 insertions(+), 1 deletion(-) diff --git a/ndctl/lib/firmware.c b/ndctl/lib/firmware.c index f6deec5..78d753c 100644 --- a/ndctl/lib/firmware.c +++ b/ndctl/lib/firmware.c @@ -107,3 +107,14 @@ ndctl_cmd_fw_xlat_firmware_status(struct ndctl_cmd *cmd) else return FW_EUNKNOWN; } + +NDCTL_EXPORT bool +ndctl_dimm_fw_update_supported(struct ndctl_dimm *dimm) +{ + struct ndctl_dimm_ops *ops = dimm->ops; + + if (ops && ops->fw_update_supported) + return ops->fw_update_supported(dimm); + else + return false; +} diff --git a/ndctl/lib/intel.c b/ndctl/lib/intel.c index cee5204..7d976c5 100644 --- a/ndctl/lib/intel.c +++ b/ndctl/lib/intel.c @@ -650,6 +650,29 @@ intel_dimm_cmd_new_lss(struct ndctl_dimm *dimm) return cmd; } +static bool intel_dimm_fw_update_supported(struct ndctl_dimm *dimm) +{ + struct ndctl_ctx *ctx = ndctl_dimm_get_ctx(dimm); + + if (!ndctl_dimm_is_cmd_supported(dimm, ND_CMD_CALL)) { + dbg(ctx, "unsupported cmd: %d\n", ND_CMD_CALL); + return false; + } + + /* + * We only need to check FW_GET_INFO. If that isn't supported then + * the others aren't either. + */ + if (test_dimm_dsm(dimm, ND_INTEL_FW_GET_INFO) + == DIMM_DSM_UNSUPPORTED) { + dbg(ctx, "unsupported function: %d\n", + ND_INTEL_FW_GET_INFO); + return false; + } + + return true; +} + struct ndctl_dimm_ops * const intel_dimm_ops = &(struct ndctl_dimm_ops) { .cmd_desc = intel_cmd_desc, .new_smart = intel_dimm_cmd_new_smart, @@ -703,4 +726,5 @@ struct ndctl_dimm_ops * const intel_dimm_ops = &(struct ndctl_dimm_ops) { .fw_fquery_get_fw_rev = intel_cmd_fw_fquery_get_fw_rev, .fw_xlat_firmware_status = intel_cmd_fw_xlat_firmware_status, .new_ack_shutdown_count = intel_dimm_cmd_new_lss, + .fw_update_supported = intel_dimm_fw_update_supported, }; diff --git a/ndctl/lib/libndctl.sym b/ndctl/lib/libndctl.sym index af9b7d5..cc580f9 100644 --- a/ndctl/lib/libndctl.sym +++ b/ndctl/lib/libndctl.sym @@ -344,4 +344,5 @@ global: ndctl_cmd_fw_fquery_get_fw_rev; ndctl_cmd_fw_xlat_firmware_status; ndctl_dimm_cmd_new_ack_shutdown_count; + ndctl_dimm_fw_update_supported; } LIBNDCTL_13; diff --git a/ndctl/lib/private.h b/ndctl/lib/private.h index 015eeb2..ae4454c 100644 --- a/ndctl/lib/private.h +++ b/ndctl/lib/private.h @@ -325,6 +325,7 @@ struct ndctl_dimm_ops { unsigned long long (*fw_fquery_get_fw_rev)(struct ndctl_cmd *); enum ND_FW_STATUS (*fw_xlat_firmware_status)(struct ndctl_cmd *); struct ndctl_cmd *(*new_ack_shutdown_count)(struct ndctl_dimm *); + bool (*fw_update_supported)(struct ndctl_dimm *); }; struct ndctl_dimm_ops * const intel_dimm_ops; diff --git a/ndctl/libndctl.h b/ndctl/libndctl.h index 9db775b..08030d3 100644 --- a/ndctl/libndctl.h +++ b/ndctl/libndctl.h @@ -625,6 +625,7 @@ unsigned int ndctl_cmd_fw_start_get_context(struct ndctl_cmd *cmd); unsigned long long ndctl_cmd_fw_fquery_get_fw_rev(struct ndctl_cmd *cmd); enum ND_FW_STATUS ndctl_cmd_fw_xlat_firmware_status(struct ndctl_cmd *cmd); struct ndctl_cmd *ndctl_dimm_cmd_new_ack_shutdown_count(struct ndctl_dimm *dimm); +bool ndctl_dimm_fw_update_supported(struct ndctl_dimm *dimm); #ifdef __cplusplus } /* extern "C" */ diff --git a/ndctl/update.c b/ndctl/update.c index 4fb572d..b148b70 100644 --- a/ndctl/update.c +++ b/ndctl/update.c @@ -477,6 +477,10 @@ static int get_ndctl_dimm(struct update_context *uctx, void *ctx) ndctl_dimm_foreach(bus, dimm) { if (!util_dimm_filter(dimm, uctx->dimm_id)) continue; + if (!ndctl_dimm_fw_update_supported(dimm)) { + error("DIMM firmware update not supported by the kernel."); + return -ENOTSUP; + } uctx->dimm = dimm; rc = update_firmware(uctx); if (rc < 0) { @@ -581,7 +585,8 @@ int cmd_update_firmware(int argc, const char **argv, void *ctx) rc = get_ndctl_dimm(&uctx, ctx); if (rc < 0) { - error("DIMM %s not found", uctx.dimm_id); + if (rc == -ENODEV) + error("DIMM %s not found", uctx.dimm_id); return rc; } _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm