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Code Issues Releases Wiki Activity

pcidev.c: Factor out pcidev_validate() into pure fn

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This makes writing unit-tests easier.

Change-Id: Ia2718f1f40851d3122741cd0e50b0c2b647b727a
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/37264
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Edward O'Callaghan 2019-11-27 16:44:19 +11:00
parent 1d80d64587
commit e28d75ed72
1 changed files with 29 additions and 24 deletions
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53
pcidev.c
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@ -148,6 +148,33 @@ uintptr_t pcidev_readbar(struct pci_dev *dev, int bar)
return (uintptr_t)addr; return (uintptr_t)addr;
} }
static uintptr_t pcidev_validate(struct pci_dev *dev, int bar, const struct dev_entry *devs)
{
unsigned i;
/* Check against list of supported devices. */
for (i = 0; devs[i].device_name != NULL; i++) {
if (dev->device_id != devs[i].device_id)
continue;
msg_pinfo("Found \"%s %s\" (%04x:%04x, BDF %02x:%02x.%x).\n",
devs[i].vendor_name, devs[i].device_name,
dev->vendor_id, dev->device_id, dev->bus, dev->dev,
dev->func);
if (devs[i].status == NT)
msg_pinfo("===\nThis PCI device is UNTESTED. Please report the 'flashrom -p "
"xxxx' output\n"
"to flashrom@flashrom.org if it works for you. Please add the name "
"of your\n"
"PCI device to the subject. Thank you for your help!\n===\n");
return pcidev_readbar(dev, bar);
}
return 0;
}
static int pcidev_shutdown(void *data) static int pcidev_shutdown(void *data)
{ {
if (pacc == NULL) { if (pacc == NULL) {
@ -183,12 +210,10 @@ int pci_init_common(void)
struct pci_dev *pcidev_init(const struct dev_entry *devs, int bar) struct pci_dev *pcidev_init(const struct dev_entry *devs, int bar)
{ {
struct pci_dev *dev; struct pci_dev *dev;
struct pci_dev *found_dev = NULL;
struct pci_filter filter; struct pci_filter filter;
char *pcidev_bdf; char *pcidev_bdf;
char *msg = NULL; char *msg = NULL;
int found = 0; int found = 0;
int i;
uintptr_t addr = 0; uintptr_t addr = 0;
if (pci_init_common() != 0) if (pci_init_common() != 0)
@ -207,30 +232,10 @@ struct pci_dev *pcidev_init(const struct dev_entry *devs, int bar)
for (dev = pacc->devices; dev; dev = dev->next) { for (dev = pacc->devices; dev; dev = dev->next) {
if (pci_filter_match(&filter, dev)) { if (pci_filter_match(&filter, dev)) {
/* Check against list of supported devices. */
for (i = 0; devs[i].device_name != NULL; i++)
if ((dev->vendor_id == devs[i].vendor_id) &&
(dev->device_id == devs[i].device_id))
break;
/* Not supported, try the next one. */
if (devs[i].device_name == NULL)
continue;
msg_pdbg("Found \"%s %s\" (%04x:%04x, BDF %02x:%02x.%x).\n", devs[i].vendor_name,
devs[i].device_name, dev->vendor_id, dev->device_id, dev->bus, dev->dev,
dev->func);
if (devs[i].status == NT)
msg_pinfo("===\nThis PCI device is UNTESTED. Please report the 'flashrom -p "
"xxxx' output\n"
"to flashrom@flashrom.org if it works for you. Please add the name "
"of your\n"
"PCI device to the subject. Thank you for your help!\n===\n");
/* FIXME: We should count all matching devices, not /* FIXME: We should count all matching devices, not
* just those with a valid BAR. * just those with a valid BAR.
*/ */
if ((addr = pcidev_readbar(dev, bar)) != 0) { if ((addr = pcidev_validate(dev, bar, devs)) != 0) {
found_dev = dev;
found++; found++;
} }
} }
@ -246,7 +251,7 @@ struct pci_dev *pcidev_init(const struct dev_entry *devs, int bar)
return NULL; return NULL;
} }
return found_dev; return dev;
} }
enum pci_write_type { enum pci_write_type {