PCI scan and match now work on rte_device/rte_driver rather than PCI
specific objects. These functions can now be plugged to the generic
bus callbacks for scanning and matching devices/drivers.
Signed-off-by: Shreyansh Jain <shreyansh.j...@nxp.com>
---
app/test/test_pci.c | 2 +-
lib/librte_eal/bsdapp/eal/eal_pci.c | 4 ++--
lib/librte_eal/common/eal_common_pci.c | 28 +++++++++++++++++++++-------
lib/librte_eal/common/include/rte_pci.h | 16 +++++++++-------
lib/librte_eal/linuxapp/eal/eal_pci.c | 4 ++--
5 files changed, 35 insertions(+), 19 deletions(-)
diff --git a/app/test/test_pci.c b/app/test/test_pci.c
index cda186d..f9b84db 100644
--- a/app/test/test_pci.c
+++ b/app/test/test_pci.c
@@ -180,7 +180,7 @@ test_pci_setup(void)
TAILQ_INSERT_TAIL(&real_pci_device_list, dev, next);
}
- ret = rte_eal_pci_scan();
+ ret = rte_eal_pci_scan(NULL);
TEST_ASSERT_SUCCESS(ret, "failed to scan PCI bus");
rte_eal_pci_dump(stdout);
diff --git a/lib/librte_eal/bsdapp/eal/eal_pci.c
b/lib/librte_eal/bsdapp/eal/eal_pci.c
index 3a5c315..56b506e 100644
--- a/lib/librte_eal/bsdapp/eal/eal_pci.c
+++ b/lib/librte_eal/bsdapp/eal/eal_pci.c
@@ -352,7 +352,7 @@ pci_scan_one(int dev_pci_fd, struct pci_conf *conf)
* list. Call pci_scan_one() for each pci entry found.
*/
int
-rte_eal_pci_scan(void)
+rte_eal_pci_scan(struct rte_bus *bus __rte_unused)
{
int fd;
unsigned dev_count = 0;
@@ -667,7 +667,7 @@ rte_eal_pci_init(void)
if (internal_config.no_pci)
return 0;
- if (rte_eal_pci_scan() < 0) {
+ if (rte_eal_pci_scan(NULL) < 0) {
RTE_LOG(ERR, EAL, "%s(): Cannot scan PCI bus\n", __func__);
return -1;
}
diff --git a/lib/librte_eal/common/eal_common_pci.c
b/lib/librte_eal/common/eal_common_pci.c
index f466448..b7be6aa 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -153,17 +153,22 @@ pci_unmap_resource(void *requested_addr, size_t size)
}
int
-rte_eal_pci_match(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev)
+rte_eal_pci_match(struct rte_driver *drv,
+ struct rte_device *dev)
{
int match = 1;
const struct rte_pci_id *id_table;
+ struct rte_pci_driver *pci_drv;
+ struct rte_pci_device *pci_dev;
- if (!pci_drv || !pci_dev || !pci_drv->id_table) {
- RTE_LOG(DEBUG, EAL, "Invalid PCI Driver object\n");
+ if (!drv || !dev) {
+ RTE_LOG(DEBUG, EAL, "Invalid Device/Driver\n");
return -1;
}
+ pci_drv = container_of(drv, struct rte_pci_driver, driver);
+ pci_dev = container_of(dev, struct rte_pci_device, device);
+
for (id_table = pci_drv->id_table; id_table->vendor_id != 0;
id_table++) {
/* check if device's identifiers match the driver's ones */
@@ -201,11 +206,15 @@ rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr,
struct rte_pci_device *dev)
{
int ret;
+ struct rte_driver *driver;
+ struct rte_device *device;
struct rte_pci_addr *loc;
if ((dr == NULL) || (dev == NULL))
return -EINVAL;
+ driver = &dr->driver;
+ device = &dev->device;
loc = &dev->addr;
RTE_LOG(INFO, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
@@ -222,11 +231,11 @@ rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr,
}
/* The device is not blacklisted; Check if driver supports it */
- ret = rte_eal_pci_match(dr, dev);
+ ret = rte_eal_pci_match(driver, device);
if (ret) {
/* Match of device and driver failed */
RTE_LOG(DEBUG, EAL, "Driver (%s) doesn't match the device\n",
- dr->driver.name);
+ driver->name);
return 1;
}
@@ -263,12 +272,17 @@ rte_eal_pci_detach_dev(struct rte_pci_driver *dr,
struct rte_pci_device *dev)
{
int ret;
+ struct rte_driver *driver = NULL;
+ struct rte_device *device;
struct rte_pci_addr *loc;
if ((dr == NULL) || (dev == NULL))
return -EINVAL;
- ret = rte_eal_pci_match(dr, dev);
+ driver = &(dr->driver);
+ device = &(dev->device);
+
+ ret = rte_eal_pci_match(driver, device);
if (ret) {
/* Device and driver don't match */
return 1;
diff --git a/lib/librte_eal/common/include/rte_pci.h
b/lib/librte_eal/common/include/rte_pci.h
index 34ff3d1..e5e58dd 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -367,25 +367,27 @@ rte_eal_compare_pci_addr(const struct rte_pci_addr *addr,
* Scan the content of the PCI bus, and the devices in the devices
* list
*
+ * @param bus
+ * Reference to the PCI bus
+ *
* @return
* 0 on success, negative on error
*/
-int rte_eal_pci_scan(void);
+int rte_eal_pci_scan(struct rte_bus *bus);
/**
* Match the PCI Driver and Device using the ID Table
*
- * @param pci_drv
- * PCI driver from which ID table would be extracted
- * @param pci_dev
- * PCI device to match against the driver
+ * @param drv
+ * driver from which ID table would be extracted
+ * @param dev
+ * device to match against the driver
* @return
* 0 for successful match
* !0 for unsuccessful match
*/
int
-rte_eal_pci_match(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev);
+rte_eal_pci_match(struct rte_driver *drv, struct rte_device *dev);
/**
* Probe the PCI bus for registered drivers.
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c
b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 4350134..7e092d2 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -446,7 +446,7 @@ parse_pci_addr_format(const char *buf, int bufsize,
uint16_t *domain,
* list
*/
int
-rte_eal_pci_scan(void)
+rte_eal_pci_scan(struct rte_bus *bus_p __rte_unused)
{
struct dirent *e;
DIR *dir;
@@ -724,7 +724,7 @@ rte_eal_pci_init(void)
if (internal_config.no_pci)
return 0;
- if (rte_eal_pci_scan() < 0) {
+ if (rte_eal_pci_scan(NULL) < 0) {
RTE_LOG(ERR, EAL, "%s(): Cannot scan PCI bus\n", __func__);
return -1;
}
--
2.7.4
