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