drivers/net/wireless/intel/iwlwifi/fw/img.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/intel/iwlwifi/fw/img.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/intel/iwlwifi/fw/img.c
Extension
.c
Size
3530 bytes
Lines
126
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (entry->group == grp && entry->cmd == cmd) {
			if (table_source == BIOS_SOURCE_ACPI)
				return entry->max_acpi_revision;
			return entry->max_uefi_revision;
		}
	}

	return def;
}
EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_bios_supported_revision);

u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u32 cmd_id, u8 def)
{
	const struct iwl_fw_cmd_version *entry;
	unsigned int i;
	/* prior to LONG_GROUP, we never used this CMD version API */
	u8 grp = iwl_cmd_groupid(cmd_id) ?: LONG_GROUP;
	u8 cmd = iwl_cmd_opcode(cmd_id);

	if (!fw->ucode_capa.cmd_versions ||
	    !fw->ucode_capa.n_cmd_versions)
		return def;

	entry = fw->ucode_capa.cmd_versions;
	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
		if (entry->group == grp && entry->cmd == cmd) {
			if (entry->cmd_ver == IWL_FW_CMD_VER_UNKNOWN)
				return def;
			return entry->cmd_ver;
		}
	}

	return def;
}
EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);

u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
{
	const struct iwl_fw_cmd_version *entry;
	unsigned int i;

	if (!fw->ucode_capa.cmd_versions ||
	    !fw->ucode_capa.n_cmd_versions)
		return def;

	entry = fw->ucode_capa.cmd_versions;
	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
		if (entry->group == grp && entry->cmd == cmd) {
			if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
				return def;
			return entry->notif_ver;
		}
	}

	return def;
}
EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);

static const struct {
	const char *name;
	u32 num;
} advanced_lookup[] = {
	{ "NMI_INTERRUPT_WDG", 0x34 },
	{ "SYSASSERT", 0x35 },
	{ "UCODE_VERSION_MISMATCH", 0x37 },
	{ "BAD_COMMAND", 0x38 },
	{ "BAD_COMMAND", 0x39 },
	{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
	{ "FATAL_ERROR", 0x3D },
	{ "NMI_TRM_HW_ERR", 0x46 },
	{ "NMI_INTERRUPT_TRM", 0x4C },
	{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
	{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
	{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
	{ "NMI_INTERRUPT_HOST", 0x66 },
	{ "NMI_INTERRUPT_LMAC_FATAL", 0x70 },
	{ "NMI_INTERRUPT_UMAC_FATAL", 0x71 },
	{ "NMI_INTERRUPT_OTHER_LMAC_FATAL", 0x73 },
	{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
	{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
	{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
	{ "NMI_INTERRUPT_PREG", 0x88 },
	{ "PNVM_MISSING", FW_SYSASSERT_PNVM_MISSING },
	{ "ADVANCED_SYSASSERT", 0 },
};

const char *iwl_fw_lookup_assert_desc(u32 num)
{
	int i;

Annotation

Implementation Notes