[03/15] net/octeontx_ep: add device init and uninit
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Commit Message
From: "Nalla Pradeep" <pnalla@marvell.com>
Add basic init and uninit function which includes
initializing fields of ethdev private structure.
Signed-off-by: Nalla Pradeep <pnalla@marvell.com>
---
drivers/net/octeontx_ep/otx_ep_common.h | 22 ++++++
drivers/net/octeontx_ep/otx_ep_ethdev.c | 99 ++++++++++++++++++++++++-
2 files changed, 117 insertions(+), 4 deletions(-)
@@ -4,11 +4,33 @@
#ifndef _OTX_EP_COMMON_H_
#define _OTX_EP_COMMON_H_
+#define otx_ep_printf(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, RTE_LOGTYPE_PMD, \
+ fmt, ##args)
+
+#define otx_ep_info(fmt, args...) \
+ otx_ep_printf(INFO, fmt, ##args)
+
+#define otx_ep_err(fmt, args...) \
+ otx_ep_printf(ERR, fmt, ##args)
+
+#define otx_ep_dbg(fmt, args...) \
+ otx_ep_printf(DEBUG, fmt, ##args)
+
/* OTX_EP EP VF device data structure */
struct otx_ep_device {
/* PCI device pointer */
struct rte_pci_device *pdev;
+ uint16_t chip_id;
+ uint16_t vf_num;
struct rte_eth_dev *eth_dev;
+
+ int port_id;
+
+ /* Memory mapped h/w address */
+ uint8_t *hw_addr;
+
+ int port_configured;
};
#endif /* _OTX_EP_COMMON_H_ */
@@ -10,20 +10,111 @@
#include "otx_ep_common.h"
#include "otx_ep_vf.h"
+#define OTX_EP_DEV(_eth_dev) ((_eth_dev)->data->dev_private)
+static int
+otx_ep_chip_specific_setup(struct otx_ep_device *otx_epvf)
+{
+ struct rte_pci_device *pdev = otx_epvf->pdev;
+ uint32_t dev_id = pdev->id.device_id;
+ int ret;
+
+ switch (dev_id) {
+ case PCI_DEVID_OCTEONTX_EP_VF:
+ otx_epvf->chip_id = PCI_DEVID_OCTEONTX_EP_VF;
+ break;
+ case PCI_DEVID_OCTEONTX2_EP_NET_VF:
+ case PCI_DEVID_98XX_EP_NET_VF:
+ otx_epvf->chip_id = dev_id;
+ break;
+ default:
+ otx_ep_err("Unsupported device\n");
+ ret = -EINVAL;
+ }
+
+ if (!ret)
+ otx_ep_info("OTX_EP dev_id[%d]\n", dev_id);
+
+ return ret;
+}
+
+/* OTX_EP VF device initialization */
+static int
+otx_epdev_init(struct otx_ep_device *otx_epvf)
+{
+ if (otx_ep_chip_specific_setup(otx_epvf)) {
+ otx_ep_err("Chip specific setup failed\n");
+ goto setup_fail;
+ }
+
+ return 0;
+
+setup_fail:
+ return -ENOMEM;
+}
+
+
static int
otx_ep_eth_dev_uninit(struct rte_eth_dev *eth_dev)
{
- RTE_SET_USED(eth_dev);
+ struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev);
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+ otx_epvf->port_configured = 0;
- return -ENODEV;
+ if (eth_dev->data->mac_addrs != NULL)
+ rte_free(eth_dev->data->mac_addrs);
+
+ return 0;
}
+
+
static int
otx_ep_eth_dev_init(struct rte_eth_dev *eth_dev)
{
- RTE_SET_USED(eth_dev);
+ struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev);
+ int vf_id;
+ unsigned char vf_mac_addr[RTE_ETHER_ADDR_LEN];
+
+ /* Single process support */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ rte_eth_copy_pci_info(eth_dev, pdev);
+
+ if (pdev->mem_resource[0].addr) {
+ otx_ep_info("OTX_EP_EP BAR0 is mapped:\n");
+ } else {
+ otx_ep_err("OTX_EP_EP: Failed to map device BARs\n");
+ otx_ep_err("BAR0 %p\n BAR2 %p",
+ pdev->mem_resource[0].addr,
+ pdev->mem_resource[2].addr);
+ return -ENODEV;
+ }
+ otx_epvf->eth_dev = eth_dev;
+ otx_epvf->port_id = eth_dev->data->port_id;
+ eth_dev->data->mac_addrs = rte_zmalloc("otx_ep", RTE_ETHER_ADDR_LEN, 0);
+ if (eth_dev->data->mac_addrs == NULL) {
+ otx_ep_err("MAC addresses memory allocation failed\n");
+ return -ENOMEM;
+ }
+ rte_eth_random_addr(vf_mac_addr);
+ memcpy(eth_dev->data->mac_addrs, vf_mac_addr, RTE_ETHER_ADDR_LEN);
+ otx_epvf->hw_addr = pdev->mem_resource[0].addr;
+ otx_epvf->pdev = pdev;
+
+ /* Discover the VF number being probed */
+ vf_id = ((pdev->addr.devid & 0x1F) << 3) |
+ (pdev->addr.function & 0x7);
+
+ vf_id -= 1;
+ otx_epvf->vf_num = vf_id;
+ otx_epdev_init(otx_epvf);
+ otx_epvf->port_configured = 0;
- return -ENODEV;
+ return 0;
}
static int