On Tue, 23 Jul 2019 01:20:42 +0200, Daniele Ceraolo Spurio <[email protected]> wrote:

+
+#define GUC_FW_BLOB(prefix_, major_, minor_, patch_) \
+UC_FW_BLOB(prefix_##_guc, major_, minor_, \
+          __MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_))
+
+GUC_FW_BLOB(skl, 33, 0, 0);
+GUC_FW_BLOB(bxt, 33, 0, 0);
+GUC_FW_BLOB(kbl, 33, 0, 0);
+GUC_FW_BLOB(glk, 33, 0, 0);
+GUC_FW_BLOB(icl, 33, 0, 0);
+
+/* must be ordered base on platform + revid, from newer to older */
+static const struct intel_uc_platform_requirement guc_fw_blobs[] = {
+       { INTEL_ICELAKE,        0,      &icl_guc_fw_blob },
+       { INTEL_COFFEELAKE,     0,      &kbl_guc_fw_blob },
+       { INTEL_GEMINILAKE,     0,      &glk_guc_fw_blob },
+       { INTEL_KABYLAKE,       0,      &kbl_guc_fw_blob },
+       { INTEL_BROXTON,        0,      &bxt_guc_fw_blob },
+       { INTEL_SKYLAKE,        0,      &skl_guc_fw_blob },
+};

Can we avoid pointers to separate blob definitions ?
What about defining each fw in single line like below

#define INTEL_GUC_FIRMWARE_DEFS(fw_def) \
        fw_def(ICELAKE, 0, 33, 0, 0, icl, GUC) \
        fw_def(COFFEELAKE, 0, 33, 0, 0, kbl, GUC) \
        fw_def(GEMINILAKE, 0, 33, 0, 0, glk, GUC) \
        fw_def(KABYLAKE, 0, 33, 0, 0, kbl, GUC) \
        fw_def(BROXTON, 0, 33, 0, 0, bxt, GUC) \
        fw_def(SKYLAKE, 0, 33, 0, 0, skl, GUC) \
        /* end */

with some extra common helpers

#define TO_MODULE_FIRMWARE(_platform, _rev, _major, _minor, _patch, _prefix, _builder) \ MODULE_FIRMWARE(_builder##_FW_PATH_BUILDER(_prefix, _major, _minor, _patch));

#define TO_BLOB_ENTRY(_platform, _rev, _major, _minor, _patch, _prefix, _builder) \
{ \
        .platform = INTEL_##_platform, \
        .rev = (_rev), \
        .major = (_major), \
        .minor = (_minor), \
        .patch = (_patch), \
        .blob = _builder##_FW_PATH_BUILDER(_prefix, _major, _minor, _patch), \
},

then we can have immutable

static const struct intel_uc_blob guc_fw_blobs[] = {
INTEL_GUC_FIRMWARE_DEFS(TO_BLOB_ENTRY)
};
INTEL_GUC_FIRMWARE_DEFS(TO_MODULE_FIRMWARE)

(tested locally for feasibility)

Michal
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