123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190 |
- #ifndef SRC_DRIVERS_INFINIBAND_FLEXBOOT_NODNIC_FLEXBOOT_NODNIC_H_
- #define SRC_DRIVERS_INFINIBAND_FLEXBOOT_NODNIC_FLEXBOOT_NODNIC_H_
-
- /*
- * Copyright (C) 2015 Mellanox Technologies Ltd.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER );
-
- #include "mlx_nodnic/include/mlx_nodnic_data_structures.h"
- #include "nodnic_prm.h"
- #include <ipxe/io.h>
- #include <ipxe/infiniband.h>
- #include <ipxe/netdevice.h>
- #include "mlx_utils/mlx_lib/mlx_nvconfig/mlx_nvconfig.h"
-
- /*
- * If defined, use interrupts in NODNIC driver
- */
- #define NODNIC_IRQ_ENABLED
-
- #define FLEXBOOT_NODNIC_MAX_PORTS 2
- #define FLEXBOOT_NODNIC_PORT_BASE 1
-
- #define FLEXBOOT_NODNIC_OPCODE_SEND 0xa
- #define FLEXBOOT_NODNIC_HCA_BAR PCI_BASE_ADDRESS_0 //BAR 0
- #define FLEXBOOT_NODNIC_PAGE_SHIFT 12
- #define FLEXBOOT_NODNIC_PAGE_SIZE (1 << FLEXBOOT_NODNIC_PAGE_SHIFT)
- #define FLEXBOOT_NODNIC_PAGE_MASK (FLEXBOOT_NODNIC_PAGE_SIZE - 1)
- #define EN_DEFAULT_ADMIN_MTU 1522
-
- /* Port protocol */
- enum flexboot_nodnic_protocol {
- FLEXBOOT_NODNIC_PROT_IB_IPV6 = 0,
- FLEXBOOT_NODNIC_PROT_ETH,
- FLEXBOOT_NODNIC_PROT_IB_IPV4,
- FLEXBOOT_NODNIC_PROT_FCOE
- };
-
- /** A flexboot nodnic port */
- struct flexboot_nodnic_port {
- /** Infiniband device */
- struct ib_device *ibdev;
- /** Network device */
- struct net_device *netdev;
- /** nodic port */
- nodnic_port_priv port_priv;
- /** Port type */
- struct flexboot_nodnic_port_type *type;
- /** Ethernet completion queue */
- struct ib_completion_queue *eth_cq;
- /** Ethernet queue pair */
- struct ib_queue_pair *eth_qp;
- mlx_uint8 cmdsn;
- };
-
-
- /** A flexboot nodnic queue pair */
- struct flexboot_nodnic_queue_pair {
- nodnic_qp *nodnic_queue_pair;
- };
-
- /** A flexboot nodnic cq */
- struct flexboot_nodnic_completion_queue {
- nodnic_cq *nodnic_completion_queue;
- };
-
- /** A flexboot_nodnic device */
- struct flexboot_nodnic {
- /** PCI device */
- struct pci_device *pci;
- /** nic specific data*/
- struct flexboot_nodnic_callbacks *callbacks;
- /**nodnic device*/
- nodnic_device_priv device_priv;
- /**flexboot_nodnic ports*/
- struct flexboot_nodnic_port port[FLEXBOOT_NODNIC_MAX_PORTS];
- /** Device open request counter */
- unsigned int open_count;
- /** Port masking */
- u16 port_mask;
- /** device private data */
- void *priv_data;
- };
-
- /** A flexboot_nodnic port type */
- struct flexboot_nodnic_port_type {
- /** Register port
- *
- * @v flexboot_nodnic flexboot_nodnic device
- * @v port flexboot_nodnic port
- * @ret mlx_status Return status code
- */
- mlx_status ( * register_dev ) (
- struct flexboot_nodnic *flexboot_nodnic,
- struct flexboot_nodnic_port *port
- );
- /** Port state changed
- *
- * @v flexboot_nodnic flexboot_nodnic device
- * @v port flexboot_nodnic port
- * @v link_up Link is up
- */
- void ( * state_change ) (
- struct flexboot_nodnic *flexboot_nodnic,
- struct flexboot_nodnic_port *port,
- int link_up
- );
- /** Unregister port
- *
- * @v flexboot_nodnic flexboot_nodnic device
- * @v port flexboot_nodnic port
- */
- void ( * unregister_dev ) (
- struct flexboot_nodnic *flexboot_nodnic,
- struct flexboot_nodnic_port *port
- );
- };
-
- struct cqe_data{
- mlx_boolean owner;
- mlx_uint32 qpn;
- mlx_uint32 is_send;
- mlx_uint32 is_error;
- mlx_uint32 syndrome;
- mlx_uint32 vendor_err_syndrome;
- mlx_uint32 wqe_counter;
- mlx_uint32 byte_cnt;
- };
-
- union arm_cq_uar {
- struct {
- //big endian
- mlx_uint32 reserved0 :2;
- mlx_uint32 cmdn :2;
- mlx_uint32 reserved1 :3;
- mlx_uint32 cmd :1;
- mlx_uint32 cq_ci :24;
- mlx_uint32 reserved2 :8;
- mlx_uint32 cq_n :24;
- };
- mlx_uint32 dword[2];
- mlx_uint64 qword;
- };
-
- struct flexboot_nodnic_callbacks {
- mlx_status ( * fill_completion ) ( void *cqe, struct cqe_data *cqe_data );
- mlx_status ( * cqe_set_owner ) ( void *cq, unsigned int num_cqes );
- mlx_size ( * get_cqe_size ) ();
- mlx_status ( * fill_send_wqe[5] ) (
- struct ib_device *ibdev,
- struct ib_queue_pair *qp,
- struct ib_address_vector *av,
- struct io_buffer *iobuf,
- struct nodnic_send_wqbb *wqbb,
- unsigned long wqe_idx
- );
- void ( * irq ) ( struct net_device *netdev, int enable );
- mlx_status ( * tx_uar_send_doorbell_fn ) (
- struct ib_device *ibdev,
- struct nodnic_send_wqbb *wqbb
- );
- };
-
- int flexboot_nodnic_probe ( struct pci_device *pci,
- struct flexboot_nodnic_callbacks *callbacks,
- void *drv_priv );
- void flexboot_nodnic_remove ( struct pci_device *pci );
- void flexboot_nodnic_eth_irq ( struct net_device *netdev, int enable );
- int flexboot_nodnic_is_supported ( struct pci_device *pci );
- void flexboot_nodnic_copy_mac ( uint8_t mac_addr[], uint32_t low_byte,
- uint16_t high_byte );
- int init_mlx_utils ( mlx_utils **utils, struct pci_device *pci );
- void free_mlx_utils ( mlx_utils **utils );
- #endif /* SRC_DRIVERS_INFINIBAND_FLEXBOOT_NODNIC_FLEXBOOT_NODNIC_H_ */
|