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qed.h 18.15 KiB
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and /or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _QED_H
#define _QED_H
#include <linux/types.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/workqueue.h>
#include <linux/zlib.h>
#include <linux/hashtable.h>
#include <linux/qed/qed_if.h>
#include "qed_debug.h"
#include "qed_hsi.h"
extern const struct qed_common_ops qed_common_ops_pass;
#define QED_MAJOR_VERSION 8
#define QED_MINOR_VERSION 10
#define QED_REVISION_VERSION 10
#define QED_ENGINEERING_VERSION 21
#define QED_VERSION \
((QED_MAJOR_VERSION << 24) | (QED_MINOR_VERSION << 16) | \
(QED_REVISION_VERSION << 8) | QED_ENGINEERING_VERSION)
#define STORM_FW_VERSION \
((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
(FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
#define MAX_HWFNS_PER_DEVICE (4)
#define NAME_SIZE 16
#define VER_SIZE 16
#define QED_WFQ_UNIT 100
#define QED_WID_SIZE (1024)
#define QED_PF_DEMS_SIZE (4)
/* cau states */
enum qed_coalescing_mode {
QED_COAL_MODE_DISABLE,
QED_COAL_MODE_ENABLE
};
struct qed_eth_cb_ops;
struct qed_dev_info;
union qed_mcp_protocol_stats;
enum qed_mcp_protocol_type;
/* helpers */
#define QED_MFW_GET_FIELD(name, field) \
(((name) & (field ## _MASK)) >> (field ## _SHIFT))
#define QED_MFW_SET_FIELD(name, field, value) \
do { \
(name) &= ~((field ## _MASK) << (field ## _SHIFT)); \
(name) |= (((value) << (field ## _SHIFT)) & (field ## _MASK));\
} while (0)
static inline u32 qed_db_addr(u32 cid, u32 DEMS)
{
u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
(cid * QED_PF_DEMS_SIZE);
return db_addr;
}
static inline u32 qed_db_addr_vf(u32 cid, u32 DEMS)
{
u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
return db_addr;
}
#define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
~((1 << (p_hwfn->cdev->cache_shift)) - 1))
#define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
#define D_TRINE(val, cond1, cond2, true1, true2, def) \
(val == (cond1) ? true1 : \
(val == (cond2) ? true2 : def))
/* forward */
struct qed_ptt_pool;
struct qed_spq;
struct qed_sb_info;
struct qed_sb_attn_info;
struct qed_cxt_mngr;
struct qed_sb_sp_info;
struct qed_ll2_info;
struct qed_mcp_info;
struct qed_rt_data {
u32 *init_val;
bool *b_valid;
};
enum qed_tunn_mode {
QED_MODE_L2GENEVE_TUNN, QED_MODE_IPGENEVE_TUNN,
QED_MODE_L2GRE_TUNN,
QED_MODE_IPGRE_TUNN,
QED_MODE_VXLAN_TUNN,
};
enum qed_tunn_clss {
QED_TUNN_CLSS_MAC_VLAN,
QED_TUNN_CLSS_MAC_VNI,
QED_TUNN_CLSS_INNER_MAC_VLAN,
QED_TUNN_CLSS_INNER_MAC_VNI,
MAX_QED_TUNN_CLSS,
};
struct qed_tunn_start_params {
unsigned long tunn_mode;
u16 vxlan_udp_port;
u16 geneve_udp_port;
u8 update_vxlan_udp_port;
u8 update_geneve_udp_port;
u8 tunn_clss_vxlan;
u8 tunn_clss_l2geneve;
u8 tunn_clss_ipgeneve;
u8 tunn_clss_l2gre;
u8 tunn_clss_ipgre;
};
struct qed_tunn_update_params {
unsigned long tunn_mode_update_mask;
unsigned long tunn_mode;
u16 vxlan_udp_port;
u16 geneve_udp_port;
u8 update_rx_pf_clss;
u8 update_tx_pf_clss;
u8 update_vxlan_udp_port;
u8 update_geneve_udp_port;
u8 tunn_clss_vxlan;
u8 tunn_clss_l2geneve;
u8 tunn_clss_ipgeneve;
u8 tunn_clss_l2gre;
u8 tunn_clss_ipgre;
};
/* The PCI personality is not quite synonymous to protocol ID:
* 1. All personalities need CORE connections
* 2. The Ethernet personality may support also the RoCE protocol
*/
enum qed_pci_personality {
QED_PCI_ETH,
QED_PCI_FCOE,
QED_PCI_ISCSI,
QED_PCI_ETH_ROCE,
QED_PCI_DEFAULT /* default in shmem */
};
/* All VFs are symmetric, all counters are PF + all VFs */
struct qed_qm_iids {
u32 cids;
u32 vf_cids;
u32 tids;
};
/* HW / FW resources, output of features supported below, most information
* is received from MFW.
*/
enum qed_resources {
QED_SB,
QED_L2_QUEUE,
QED_VPORT,
QED_RSS_ENG, QED_PQ,
QED_RL,
QED_MAC,
QED_VLAN,
QED_RDMA_CNQ_RAM,
QED_ILT,
QED_LL2_QUEUE,
QED_CMDQS_CQS,
QED_RDMA_STATS_QUEUE,
QED_BDQ,
QED_MAX_RESC,
};
enum QED_FEATURE {
QED_PF_L2_QUE,
QED_VF,
QED_RDMA_CNQ,
QED_VF_L2_QUE,
QED_FCOE_CQ,
QED_MAX_FEATURES,
};
enum QED_PORT_MODE {
QED_PORT_MODE_DE_2X40G,
QED_PORT_MODE_DE_2X50G,
QED_PORT_MODE_DE_1X100G,
QED_PORT_MODE_DE_4X10G_F,
QED_PORT_MODE_DE_4X10G_E,
QED_PORT_MODE_DE_4X20G,
QED_PORT_MODE_DE_1X40G,
QED_PORT_MODE_DE_2X25G,
QED_PORT_MODE_DE_1X25G,
QED_PORT_MODE_DE_4X25G,
QED_PORT_MODE_DE_2X10G,
};
enum qed_dev_cap {
QED_DEV_CAP_ETH,
QED_DEV_CAP_FCOE,
QED_DEV_CAP_ISCSI,
QED_DEV_CAP_ROCE,
};
enum qed_wol_support {
QED_WOL_SUPPORT_NONE,
QED_WOL_SUPPORT_PME,
};
struct qed_hw_info {
/* PCI personality */
enum qed_pci_personality personality;
/* Resource Allocation scheme results */
u32 resc_start[QED_MAX_RESC];
u32 resc_num[QED_MAX_RESC];
u32 feat_num[QED_MAX_FEATURES];
#define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
#define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
#define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
RESC_NUM(_p_hwfn, resc))
#define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
u8 num_tc;
u8 offload_tc;
u8 non_offload_tc;
u32 concrete_fid;
u16 opaque_fid;
u16 ovlan; u32 part_num[4];
unsigned char hw_mac_addr[ETH_ALEN];
u64 node_wwn;
u64 port_wwn;
u16 num_fcoe_conns;
struct qed_igu_info *p_igu_info;
u32 port_mode;
u32 hw_mode;
unsigned long device_capabilities;
u16 mtu;
enum qed_wol_support b_wol_support;
};
/* maximun size of read/write commands (HW limit) */
#define DMAE_MAX_RW_SIZE 0x2000
struct qed_dmae_info {
/* Mutex for synchronizing access to functions */
struct mutex mutex;
u8 channel;
dma_addr_t completion_word_phys_addr;
/* The memory location where the DMAE writes the completion
* value when an operation is finished on this context.
*/
u32 *p_completion_word;
dma_addr_t intermediate_buffer_phys_addr;
/* An intermediate buffer for DMAE operations that use virtual
* addresses - data is DMA'd to/from this buffer and then
* memcpy'd to/from the virtual address
*/
u32 *p_intermediate_buffer;
dma_addr_t dmae_cmd_phys_addr;
struct dmae_cmd *p_dmae_cmd;
};
struct qed_wfq_data {
/* when feature is configured for at least 1 vport */
u32 min_speed;
bool configured;
};
struct qed_qm_info {
struct init_qm_pq_params *qm_pq_params;
struct init_qm_vport_params *qm_vport_params;
struct init_qm_port_params *qm_port_params;
u16 start_pq;
u8 start_vport;
u8 pure_lb_pq;
u8 offload_pq;
u8 pure_ack_pq;
u8 ooo_pq;
u8 vf_queues_offset;
u16 num_pqs;
u16 num_vf_pqs;
u8 num_vports;
u8 max_phys_tcs_per_port;
bool pf_rl_en;
bool pf_wfq_en;
bool vport_rl_en; bool vport_wfq_en;
u8 pf_wfq;
u32 pf_rl;
struct qed_wfq_data *wfq_data;
u8 num_pf_rls;
};
struct storm_stats {
u32 address;
u32 len;
};
struct qed_storm_stats {
struct storm_stats mstats;
struct storm_stats pstats;
struct storm_stats tstats;
struct storm_stats ustats;
};
struct qed_fw_data {
struct fw_ver_info *fw_ver_info;
const u8 *modes_tree_buf;
union init_op *init_ops;
const u32 *arr_data;
u32 init_ops_size;
};
#define DRV_MODULE_VERSION \
__stringify(QED_MAJOR_VERSION) "." \
__stringify(QED_MINOR_VERSION) "." \
__stringify(QED_REVISION_VERSION) "." \
__stringify(QED_ENGINEERING_VERSION)
struct qed_simd_fp_handler {
void *token;
void (*func)(void *);
};
struct qed_hwfn {
struct qed_dev *cdev;
u8 my_id; /* ID inside the PF */
#define IS_LEAD_HWFN(edev) (!((edev)->my_id))
u8 rel_pf_id; /* Relative to engine*/
u8 abs_pf_id;
#define QED_PATH_ID(_p_hwfn) \
(QED_IS_K2((_p_hwfn)->cdev) ? 0 : ((_p_hwfn)->abs_pf_id & 1))
u8 port_id;
bool b_active;
u32 dp_module;
u8 dp_level;
char name[NAME_SIZE];
bool first_on_engine;
bool hw_init_done;
u8 num_funcs_on_engine;
u8 enabled_func_idx;
/* BAR access */
void __iomem *regview;
void __iomem *doorbells;
u64 db_phys_addr;
unsigned long db_size;
/* PTT pool */
struct qed_ptt_pool *p_ptt_pool;
/* HW info */
struct qed_hw_info hw_info;
/* rt_array (for init-tool) */
struct qed_rt_data rt_data;
/* SPQ */
struct qed_spq *p_spq;
/* EQ */
struct qed_eq *p_eq;
/* Consolidate Q*/
struct qed_consq *p_consq;
/* Slow-Path definitions */
struct tasklet_struct *sp_dpc;
bool b_sp_dpc_enabled;
struct qed_ptt *p_main_ptt;
struct qed_ptt *p_dpc_ptt;
struct qed_sb_sp_info *p_sp_sb;
struct qed_sb_attn_info *p_sb_attn;
/* Protocol related */
bool using_ll2;
struct qed_ll2_info *p_ll2_info;
struct qed_ooo_info *p_ooo_info;
struct qed_rdma_info *p_rdma_info;
struct qed_iscsi_info *p_iscsi_info;
struct qed_fcoe_info *p_fcoe_info;
struct qed_pf_params pf_params;
bool b_rdma_enabled_in_prs;
u32 rdma_prs_search_reg;
/* Array of sb_info of all status blocks */
struct qed_sb_info *sbs_info[MAX_SB_PER_PF_MIMD];
u16 num_sbs;
struct qed_cxt_mngr *p_cxt_mngr;
/* Flag indicating whether interrupts are enabled or not*/
bool b_int_enabled;
bool b_int_requested;
/* True if the driver requests for the link */
bool b_drv_link_init;
struct qed_vf_iov *vf_iov_info;
struct qed_pf_iov *pf_iov_info;
struct qed_mcp_info *mcp_info;
struct qed_dcbx_info *p_dcbx_info;
struct qed_dmae_info dmae_info;
/* QM init */
struct qed_qm_info qm_info;
struct qed_storm_stats storm_stats;
/* Buffer for unzipping firmware data */
void *unzip_buf;
struct dbg_tools_data dbg_info;
/* PWM region specific data */
u32 dpi_size;
u32 dpi_count;
/* This is used to calculate the doorbell address */ u32 dpi_start_offset;
/* If one of the following is set then EDPM shouldn't be used */
u8 dcbx_no_edpm;
u8 db_bar_no_edpm;
/* p_ptp_ptt is valid for leading HWFN only */
struct qed_ptt *p_ptp_ptt;
struct qed_simd_fp_handler simd_proto_handler[64];
#ifdef CONFIG_QED_SRIOV
struct workqueue_struct *iov_wq;
struct delayed_work iov_task;
unsigned long iov_task_flags;
#endif
struct z_stream_s *stream;
struct qed_roce_ll2_info *ll2;
};
struct pci_params {
int pm_cap;
unsigned long mem_start;
unsigned long mem_end;
unsigned int irq;
u8 pf_num;
};
struct qed_int_param {
u32 int_mode;
u8 num_vectors;
u8 min_msix_cnt; /* for minimal functionality */
};
struct qed_int_params {
struct qed_int_param in;
struct qed_int_param out;
struct msix_entry *msix_table;
bool fp_initialized;
u8 fp_msix_base;
u8 fp_msix_cnt;
u8 rdma_msix_base;
u8 rdma_msix_cnt;
};
struct qed_dbg_feature {
struct dentry *dentry;
u8 *dump_buf;
u32 buf_size;
u32 dumped_dwords;
};
struct qed_dbg_params {
struct qed_dbg_feature features[DBG_FEATURE_NUM];
u8 engine_for_debug;
bool print_data;
};
struct qed_dev {
u32 dp_module;
u8 dp_level;
char name[NAME_SIZE];
enum qed_dev_type type;
/* Translate type/revision combo into the proper conditions */
#define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
#define QED_IS_BB_A0(dev) (QED_IS_BB(dev) && \
CHIP_REV_IS_A0(dev))
#define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \ CHIP_REV_IS_B0(dev))
#define QED_IS_AH(dev) ((dev)->type == QED_DEV_TYPE_AH)
#define QED_IS_K2(dev) QED_IS_AH(dev)
#define QED_GET_TYPE(dev) (QED_IS_BB_A0(dev) ? CHIP_BB_A0 : \
QED_IS_BB_B0(dev) ? CHIP_BB_B0 : CHIP_K2)
u16 vendor_id;
u16 device_id;
#define QED_DEV_ID_MASK 0xff00
#define QED_DEV_ID_MASK_BB 0x1600
#define QED_DEV_ID_MASK_AH 0x8000
u16 chip_num;
#define CHIP_NUM_MASK 0xffff
#define CHIP_NUM_SHIFT 16
u16 chip_rev;
#define CHIP_REV_MASK 0xf
#define CHIP_REV_SHIFT 12
#define CHIP_REV_IS_A0(_cdev) (!(_cdev)->chip_rev)
#define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
u16 chip_metal;
#define CHIP_METAL_MASK 0xff
#define CHIP_METAL_SHIFT 4
u16 chip_bond_id;
#define CHIP_BOND_ID_MASK 0xf
#define CHIP_BOND_ID_SHIFT 0
u8 num_engines;
u8 num_ports_in_engines;
u8 num_funcs_in_port;
u8 path_id;
enum qed_mf_mode mf_mode;
#define IS_MF_DEFAULT(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_DEFAULT)
#define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_NPAR)
#define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_OVLAN)
int pcie_width;
int pcie_speed;
u8 ver_str[VER_SIZE];
/* Add MF related configuration */
u8 mcp_rev;
u8 boot_mode;
/* WoL related configurations */
u8 wol_config;
u8 wol_mac[ETH_ALEN];
u32 int_mode;
enum qed_coalescing_mode int_coalescing_mode;
u16 rx_coalesce_usecs;
u16 tx_coalesce_usecs;
/* Start Bar offset of first hwfn */
void __iomem *regview;
void __iomem *doorbells;
u64 db_phys_addr;
unsigned long db_size;
/* PCI */
u8 cache_shift;
/* Init */
const struct iro *iro_arr;
#define IRO (p_hwfn->cdev->iro_arr)
/* HW functions */
u8 num_hwfns;
struct qed_hwfn hwfns[MAX_HWFNS_PER_DEVICE];
/* SRIOV */
struct qed_hw_sriov_info *p_iov_info;
#define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
unsigned long tunn_mode;
bool b_is_vf;
u32 drv_type;
struct qed_eth_stats *reset_stats;
struct qed_fw_data *fw_data;
u32 mcp_nvm_resp;
/* Linux specific here */
struct qede_dev *edev;
struct pci_dev *pdev;
u32 flags;
#define QED_FLAG_STORAGE_STARTED (BIT(0))
int msg_enable;
struct pci_params pci_params;
struct qed_int_params int_params;
u8 protocol;
#define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
#define IS_QED_FCOE_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_FCOE)
/* Callbacks to protocol driver */
union {
struct qed_common_cb_ops *common;
struct qed_eth_cb_ops *eth;
struct qed_fcoe_cb_ops *fcoe;
struct qed_iscsi_cb_ops *iscsi;
} protocol_ops;
void *ops_cookie;
struct qed_dbg_params dbg_params;
#ifdef CONFIG_QED_LL2
struct qed_cb_ll2_info *ll2;
u8 ll2_mac_address[ETH_ALEN];
#endif
DECLARE_HASHTABLE(connections, 10);
const struct firmware *firmware;
u32 rdma_max_sge;
u32 rdma_max_inline;
u32 rdma_max_srq_sge;
};
#define NUM_OF_VFS(dev) (QED_IS_BB(dev) ? MAX_NUM_VFS_BB \
: MAX_NUM_VFS_K2)
#define NUM_OF_L2_QUEUES(dev) (QED_IS_BB(dev) ? MAX_NUM_L2_QUEUES_BB \
: MAX_NUM_L2_QUEUES_K2)
#define NUM_OF_PORTS(dev) (QED_IS_BB(dev) ? MAX_NUM_PORTS_BB \
: MAX_NUM_PORTS_K2)
#define NUM_OF_SBS(dev) (QED_IS_BB(dev) ? MAX_SB_PER_PATH_BB \
: MAX_SB_PER_PATH_K2)
#define NUM_OF_ENG_PFS(dev) (QED_IS_BB(dev) ? MAX_NUM_PFS_BB \
: MAX_NUM_PFS_K2)
/**
* @brief qed_concrete_to_sw_fid - get the sw function id from
* the concrete value. *
* @param concrete_fid
*
* @return inline u8
*/
static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
u32 concrete_fid)
{
u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
u8 vf_valid = GET_FIELD(concrete_fid,
PXP_CONCRETE_FID_VFVALID);
u8 sw_fid;
if (vf_valid)
sw_fid = vfid + MAX_NUM_PFS;
else
sw_fid = pfid;
return sw_fid;
}
#define PURE_LB_TC 8
#define OOO_LB_TC 9
int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
struct qed_ptt *p_ptt,
u32 min_pf_rate);
void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
#define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
int qed_device_num_engines(struct qed_dev *cdev);
/* Other Linux specific common definitions */
#define DP_NAME(cdev) ((cdev)->name)
#define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
(cdev->regview) + \
(offset))
#define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
#define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
#define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
#define DOORBELL(cdev, db_addr, val) \
writel((u32)val, (void __iomem *)((u8 __iomem *)\
(cdev->doorbells) + (db_addr)))
/* Prototypes */
int qed_fill_dev_info(struct qed_dev *cdev,
struct qed_dev_info *dev_info);
void qed_link_update(struct qed_hwfn *hwfn);
u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
u32 input_len, u8 *input_buf,
u32 max_size, u8 *unzip_buf);
void qed_get_protocol_stats(struct qed_dev *cdev,
enum qed_mcp_protocol_type type,
union qed_mcp_protocol_stats *stats);
int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);
#endif /* _QED_H */