[dpdk-dev] [PATCH 09/14] lib/ether: generalize attach/detach of devices
Jan Viktorin
viktorin at rehivetech.com
Mon Jan 4 21:08:21 CET 2016
Make the attach and detach functions independent on the PCI infra. Mostly, this
means to utilize the rte_bus_addr instead of rte_pci_addr.
Signed-off-by: Jan Viktorin <viktorin at rehivetech.com>
---
lib/librte_ether/rte_ethdev.c | 34 ++++++++++++++++++++++------------
1 file changed, 22 insertions(+), 12 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 826d4b9..db12515 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -432,7 +432,7 @@ rte_eth_dev_get_device_type(uint8_t port_id)
}
static int
-rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
+rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_bus_addr *addr)
{
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
@@ -441,8 +441,15 @@ rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
return -EINVAL;
}
- *addr = rte_eth_devices[port_id].pci_dev->addr;
- return 0;
+ if (rte_eth_devices[port_id].dev_type == RTE_ETH_DEV_PCI) {
+ addr->pci = rte_eth_devices[port_id].pci_dev->addr;
+ addr->dev_magic = RTE_PCI_DEVICE_MAGIC;
+ return 0;
+ } else {
+ rte_panic("%s(): unexpected dev_type: %u\n", __func__,
+ rte_eth_devices[port_id].dev_type);
+ return -ENODEV;
+ }
}
static int
@@ -566,10 +573,10 @@ err:
/* detach the new physical device, then store pci_addr of the device */
static int
-rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
+rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_bus_addr *addr)
{
- struct rte_pci_addr freed_addr;
- struct rte_pci_addr vp;
+ struct rte_bus_addr freed_addr;
+ struct rte_bus_addr vp;
if (addr == NULL)
goto err;
@@ -583,13 +590,16 @@ rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr)
goto err;
/* Zeroed pci addr means the port comes from virtual device */
- vp.domain = vp.bus = vp.devid = vp.function = 0;
- if (rte_eal_compare_pci_addr(&vp, &freed_addr) == 0)
+ memset(&vp, 0, sizeof(vp));
+ if (rte_eal_compare_bus_addr(&vp, &freed_addr) == 0)
goto err;
/* invoke devuninit func of the pci driver,
* also remove the device from pci_device_list */
- if (rte_eal_pci_detach(&freed_addr))
+ if (freed_addr.dev_magic == RTE_PCI_DEVICE_MAGIC) {
+ if (rte_eal_pci_detach(&freed_addr.pci))
+ goto err;
+ } else
goto err;
*addr = freed_addr;
@@ -683,7 +693,7 @@ rte_eth_dev_attach(const char *devargs, uint8_t *port_id)
int
rte_eth_dev_detach(uint8_t port_id, char *name)
{
- struct rte_pci_addr addr;
+ struct rte_bus_addr addr;
int ret;
if (name == NULL)
@@ -698,8 +708,8 @@ rte_eth_dev_detach(uint8_t port_id, char *name)
if (ret == 0)
snprintf(name, RTE_ETH_NAME_MAX_LEN,
"%04x:%02x:%02x.%d",
- addr.domain, addr.bus,
- addr.devid, addr.function);
+ addr.pci.domain, addr.pci.bus,
+ addr.pci.devid, addr.pci.function);
return ret;
} else
--
2.6.3
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