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iwlwifi: add sysctl to dump PCI IDs/ names / firmware-prefixes

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Add a FreeBSD-specifc SYSCTL_PROC to dump the list of
PCI IDs / name / firmware-prefix which can be post-processed
for man pages (iwlwifi.4 and iwlwififw.4) or the wiki.

The output still yields duplicates depending on by what information
you need so one may wants to filter them out (try not to use sort/uniq).

Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
This commit is contained in:
Bjoern A. Zeeb 2022-05-18 16:05:49 +00:00
parent f553999651
commit 645886d028
1 changed files with 62 additions and 0 deletions
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62
sys/contrib/dev/iwlwifi/pcie/drv.c
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@ -1767,3 +1767,65 @@ void iwl_pci_unregister_driver(void)
{
pci_unregister_driver(&iwl_pci_driver);
}
#if defined(__FreeBSD__)
static int
sysctl_iwlwifi_pci_ids_name(SYSCTL_HANDLER_ARGS)
{
const struct pci_device_id *id;
struct sbuf *sb;
int error, i;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0)
return (error);
sb = sbuf_new_for_sysctl(NULL, NULL, 512, req);
if (sb == NULL)
return (ENOMEM);
id = iwl_hw_card_ids;
while (id != NULL && id->vendor != 0) {
if ((id->driver_data & TRANS_CFG_MARKER) != 0) {
/* Skip and print them below. */
} else if (id->driver_data != 0) {
const struct iwl_cfg *cfg;
cfg = (void *)(id->driver_data & ~TRANS_CFG_MARKER);
sbuf_printf(sb, "%#06x/%#06x/%#06x/%#06x\t%s\t%s\n",
id->vendor, id->device, id->subvendor, id->subdevice,
cfg->name, cfg->fw_name_pre);
} else {
sbuf_printf(sb, "%#06x/%#06x/%#06x/%#06x\t%s\t%s\n",
id->vendor, id->device, id->subvendor, id->subdevice,
"","");
}
id++;
}
for (i = 0; i < ARRAY_SIZE(iwl_dev_info_table); i++) {
const struct iwl_dev_info *dev_info = &iwl_dev_info_table[i];
const char *name;
if (dev_info->name)
name = dev_info->name;
else if (dev_info->cfg && dev_info->cfg->name)
name = dev_info->cfg->name;
else
name = "";
sbuf_printf(sb, "%#06x/%#06x/%#06x/%#06x\t%s\t%s\n",
PCI_VENDOR_ID_INTEL, dev_info->device, PCI_ANY_ID, dev_info->subdevice,
name, dev_info->cfg->fw_name_pre);
}
error = sbuf_finish(sb);
sbuf_delete(sb);
return (error);
}
SYSCTL_PROC(LINUXKPI_PARAM_PARENT, OID_AUTO, LINUXKPI_PARAM_NAME(pci_ids_name),
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL, 0,
sysctl_iwlwifi_pci_ids_name, "", "iwlwifi PCI IDs and names");
#endif