Release 4.7 include/linux/qed/qed_if.h
/* QLogic qed NIC Driver
*
* Copyright (c) 2015 QLogic Corporation
*
* This software is available 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.
*/
#ifndef _QED_IF_H
#define _QED_IF_H
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/io.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/qed/common_hsi.h>
#include <linux/qed/qed_chain.h>
enum dcbx_protocol_type {
DCBX_PROTOCOL_ISCSI,
DCBX_PROTOCOL_FCOE,
DCBX_PROTOCOL_ROCE,
DCBX_PROTOCOL_ROCE_V2,
DCBX_PROTOCOL_ETH,
DCBX_MAX_PROTOCOL_TYPE
};
enum qed_led_mode {
QED_LED_MODE_OFF,
QED_LED_MODE_ON,
QED_LED_MODE_RESTORE
};
#define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
(void __iomem *)(reg_addr))
#define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))
#define QED_COALESCE_MAX 0xFF
/* forward */
struct qed_dev;
struct qed_eth_pf_params {
/* The following parameters are used during HW-init
* and these parameters need to be passed as arguments
* to update_pf_params routine invoked before slowpath start
*/
u16 num_cons;
};
struct qed_pf_params {
struct qed_eth_pf_params eth_pf_params;
};
enum qed_int_mode {
QED_INT_MODE_INTA,
QED_INT_MODE_MSIX,
QED_INT_MODE_MSI,
QED_INT_MODE_POLL,
};
struct qed_sb_info {
struct status_block *sb_virt;
dma_addr_t sb_phys;
u32 sb_ack; /* Last given ack */
u16 igu_sb_id;
void __iomem *igu_addr;
u8 flags;
#define QED_SB_INFO_INIT 0x1
#define QED_SB_INFO_SETUP 0x2
struct qed_dev *cdev;
};
struct qed_dev_info {
unsigned long pci_mem_start;
unsigned long pci_mem_end;
unsigned int pci_irq;
u8 num_hwfns;
u8 hw_mac[ETH_ALEN];
bool is_mf_default;
/* FW version */
u16 fw_major;
u16 fw_minor;
u16 fw_rev;
u16 fw_eng;
/* MFW version */
u32 mfw_rev;
u32 flash_size;
u8 mf_mode;
bool tx_switching;
};
enum qed_sb_type {
QED_SB_TYPE_L2_QUEUE,
};
enum qed_protocol {
QED_PROTOCOL_ETH,
};
struct qed_link_params {
bool link_up;
#define QED_LINK_OVERRIDE_SPEED_AUTONEG BIT(0)
#define QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS BIT(1)
#define QED_LINK_OVERRIDE_SPEED_FORCED_SPEED BIT(2)
#define QED_LINK_OVERRIDE_PAUSE_CONFIG BIT(3)
#define QED_LINK_OVERRIDE_LOOPBACK_MODE BIT(4)
u32 override_flags;
bool autoneg;
u32 adv_speeds;
u32 forced_speed;
#define QED_LINK_PAUSE_AUTONEG_ENABLE BIT(0)
#define QED_LINK_PAUSE_RX_ENABLE BIT(1)
#define QED_LINK_PAUSE_TX_ENABLE BIT(2)
u32 pause_config;
#define QED_LINK_LOOPBACK_NONE BIT(0)
#define QED_LINK_LOOPBACK_INT_PHY BIT(1)
#define QED_LINK_LOOPBACK_EXT_PHY BIT(2)
#define QED_LINK_LOOPBACK_EXT BIT(3)
#define QED_LINK_LOOPBACK_MAC BIT(4)
u32 loopback_mode;
};
struct qed_link_output {
bool link_up;
u32 supported_caps; /* In SUPPORTED defs */
u32 advertised_caps; /* In ADVERTISED defs */
u32 lp_caps; /* In ADVERTISED defs */
u32 speed; /* In Mb/s */
u8 duplex; /* In DUPLEX defs */
u8 port; /* In PORT defs */
bool autoneg;
u32 pause_config;
};
struct qed_probe_params {
enum qed_protocol protocol;
u32 dp_module;
u8 dp_level;
bool is_vf;
};
#define QED_DRV_VER_STR_SIZE 12
struct qed_slowpath_params {
u32 int_mode;
u8 drv_major;
u8 drv_minor;
u8 drv_rev;
u8 drv_eng;
u8 name[QED_DRV_VER_STR_SIZE];
};
#define ILT_PAGE_SIZE_TCFC 0x8000
/* 32KB */
struct qed_int_info {
struct msix_entry *msix;
u8 msix_cnt;
/* This should be updated by the protocol driver */
u8 used_cnt;
};
struct qed_common_cb_ops {
void (*link_update)(void *dev,
struct qed_link_output *link);
};
struct qed_selftest_ops {
/**
* @brief selftest_interrupt - Perform interrupt test
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*selftest_interrupt)(struct qed_dev *cdev);
/**
* @brief selftest_memory - Perform memory test
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*selftest_memory)(struct qed_dev *cdev);
/**
* @brief selftest_register - Perform register test
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*selftest_register)(struct qed_dev *cdev);
/**
* @brief selftest_clock - Perform clock test
*
* @param cdev
*
* @return 0 on success, error otherwise.
*/
int (*selftest_clock)(struct qed_dev *cdev);
};
struct qed_common_ops {
struct qed_selftest_ops *selftest;
struct qed_dev* (*probe)(struct pci_dev *dev,
struct qed_probe_params *params);
void (*remove)(struct qed_dev *cdev);
int (*set_power_state)(struct qed_dev *cdev,
pci_power_t state);
void (*set_id)(struct qed_dev *cdev,
char name[],
char ver_str[]);
/* Client drivers need to make this call before slowpath_start.
* PF params required for the call before slowpath_start is
* documented within the qed_pf_params structure definition.
*/
void (*update_pf_params)(struct qed_dev *cdev,
struct qed_pf_params *params);
int (*slowpath_start)(struct qed_dev *cdev,
struct qed_slowpath_params *params);
int (*slowpath_stop)(struct qed_dev *cdev);
/* Requests to use `cnt' interrupts for fastpath.
* upon success, returns number of interrupts allocated for fastpath.
*/
int (*set_fp_int)(struct qed_dev *cdev,
u16 cnt);
/* Fills `info' with pointers required for utilizing interrupts */
int (*get_fp_int)(struct qed_dev *cdev,
struct qed_int_info *info);
u32 (*sb_init)(struct qed_dev *cdev,
struct qed_sb_info *sb_info,
void *sb_virt_addr,
dma_addr_t sb_phy_addr,
u16 sb_id,
enum qed_sb_type type);
u32 (*sb_release)(struct qed_dev *cdev,
struct qed_sb_info *sb_info,
u16 sb_id);
void (*simd_handler_config)(struct qed_dev *cdev,
void *token,
int index,
void (*handler)(void *));
void (*simd_handler_clean)(struct qed_dev *cdev,
int index);
/**
* @brief can_link_change - can the instance change the link or not
*
* @param cdev
*
* @return true if link-change is allowed, false otherwise.
*/
bool (*can_link_change)(struct qed_dev *cdev);
/**
* @brief set_link - set links according to params
*
* @param cdev
* @param params - values used to override the default link configuration
*
* @return 0 on success, error otherwise.
*/
int (*set_link)(struct qed_dev *cdev,
struct qed_link_params *params);
/**
* @brief get_link - returns the current link state.
*
* @param cdev
* @param if_link - structure to be filled with current link configuration.
*/
void (*get_link)(struct qed_dev *cdev,
struct qed_link_output *if_link);
/**
* @brief - drains chip in case Tx completions fail to arrive due to pause.
*
* @param cdev
*/
int (*drain)(struct qed_dev *cdev);
/**
* @brief update_msglvl - update module debug level
*
* @param cdev
* @param dp_module
* @param dp_level
*/
void (*update_msglvl)(struct qed_dev *cdev,
u32 dp_module,
u8 dp_level);
int (*chain_alloc)(struct qed_dev *cdev,
enum qed_chain_use_mode intended_use,
enum qed_chain_mode mode,
u16 num_elems,
size_t elem_size,
struct qed_chain *p_chain);
void (*chain_free)(struct qed_dev *cdev,
struct qed_chain *p_chain);
/**
* @brief set_led - Configure LED mode
*
* @param cdev
* @param mode - LED mode
*
* @return 0 on success, error otherwise.
*/
int (*set_led)(struct qed_dev *cdev,
enum qed_led_mode mode);
};
#define MASK_FIELD(_name, _value) \
((_value) &= (_name ## _MASK))
#define FIELD_VALUE(_name, _value) \
((_value & _name ## _MASK) << _name ## _SHIFT)
#define SET_FIELD(value, name, flag) \
do { \
(value) &= ~(name ## _MASK << name ## _SHIFT); \
(value) |= (((u64)flag) << (name ## _SHIFT)); \
} while (0)
#define GET_FIELD(value, name) \
(((value) >> (name ## _SHIFT)) & name ## _MASK)
/* Debug print definitions */
#define DP_ERR(cdev, fmt, ...) \
pr_err("[%s:%d(%s)]" fmt, \
__func__, __LINE__, \
DP_NAME(cdev) ? DP_NAME(cdev) : "", \
## __VA_ARGS__) \
#define DP_NOTICE(cdev, fmt, ...) \
do { \
if (unlikely((cdev)->dp_level <= QED_LEVEL_NOTICE)) { \
pr_notice("[%s:%d(%s)]" fmt, \
__func__, __LINE__, \
DP_NAME(cdev) ? DP_NAME(cdev) : "", \
## __VA_ARGS__); \
\
} \
} while (0)
#define DP_INFO(cdev, fmt, ...) \
do { \
if (unlikely((cdev)->dp_level <= QED_LEVEL_INFO)) { \
pr_notice("[%s:%d(%s)]" fmt, \
__func__, __LINE__, \
DP_NAME(cdev) ? DP_NAME(cdev) : "", \
## __VA_ARGS__); \
} \
} while (0)
#define DP_VERBOSE(cdev, module, fmt, ...) \
do { \
if (unlikely(((cdev)->dp_level <= QED_LEVEL_VERBOSE) && \
((cdev)->dp_module & module))) { \
pr_notice("[%s:%d(%s)]" fmt, \
__func__, __LINE__, \
DP_NAME(cdev) ? DP_NAME(cdev) : "", \
## __VA_ARGS__); \
} \
} while (0)
enum DP_LEVEL {
QED_LEVEL_VERBOSE = 0x0,
QED_LEVEL_INFO = 0x1,
QED_LEVEL_NOTICE = 0x2,
QED_LEVEL_ERR = 0x3,
};
#define QED_LOG_LEVEL_SHIFT (30)
#define QED_LOG_VERBOSE_MASK (0x3fffffff)
#define QED_LOG_INFO_MASK (0x40000000)
#define QED_LOG_NOTICE_MASK (0x80000000)
enum DP_MODULE {
QED_MSG_SPQ = 0x10000,
QED_MSG_STATS = 0x20000,
QED_MSG_DCB = 0x40000,
QED_MSG_IOV = 0x80000,
QED_MSG_SP = 0x100000,
QED_MSG_STORAGE = 0x200000,
QED_MSG_CXT = 0x800000,
QED_MSG_ILT = 0x2000000,
QED_MSG_ROCE = 0x4000000,
QED_MSG_DEBUG = 0x8000000,
/* to be added...up to 0x8000000 */
};
enum qed_mf_mode {
QED_MF_DEFAULT,
QED_MF_OVLAN,
QED_MF_NPAR,
};
struct qed_eth_stats {
u64 no_buff_discards;
u64 packet_too_big_discard;
u64 ttl0_discard;
u64 rx_ucast_bytes;
u64 rx_mcast_bytes;
u64 rx_bcast_bytes;
u64 rx_ucast_pkts;
u64 rx_mcast_pkts;
u64 rx_bcast_pkts;
u64 mftag_filter_discards;
u64 mac_filter_discards;
u64 tx_ucast_bytes;
u64 tx_mcast_bytes;
u64 tx_bcast_bytes;
u64 tx_ucast_pkts;
u64 tx_mcast_pkts;
u64 tx_bcast_pkts;
u64 tx_err_drop_pkts;
u64 tpa_coalesced_pkts;
u64 tpa_coalesced_events;
u64 tpa_aborts_num;
u64 tpa_not_coalesced_pkts;
u64 tpa_coalesced_bytes;
/* port */
u64 rx_64_byte_packets;
u64 rx_65_to_127_byte_packets;
u64 rx_128_to_255_byte_packets;
u64 rx_256_to_511_byte_packets;
u64 rx_512_to_1023_byte_packets;
u64 rx_1024_to_1518_byte_packets;
u64 rx_1519_to_1522_byte_packets;
u64 rx_1519_to_2047_byte_packets;
u64 rx_2048_to_4095_byte_packets;
u64 rx_4096_to_9216_byte_packets;
u64 rx_9217_to_16383_byte_packets;
u64 rx_crc_errors;
u64 rx_mac_crtl_frames;
u64 rx_pause_frames;
u64 rx_pfc_frames;
u64 rx_align_errors;
u64 rx_carrier_errors;
u64 rx_oversize_packets;
u64 rx_jabbers;
u64 rx_undersize_packets;
u64 rx_fragments;
u64 tx_64_byte_packets;
u64 tx_65_to_127_byte_packets;
u64 tx_128_to_255_byte_packets;
u64 tx_256_to_511_byte_packets;
u64 tx_512_to_1023_byte_packets;
u64 tx_1024_to_1518_byte_packets;
u64 tx_1519_to_2047_byte_packets;
u64 tx_2048_to_4095_byte_packets;
u64 tx_4096_to_9216_byte_packets;
u64 tx_9217_to_16383_byte_packets;
u64 tx_pause_frames;
u64 tx_pfc_frames;
u64 tx_lpi_entry_count;
u64 tx_total_collisions;
u64 brb_truncates;
u64 brb_discards;
u64 rx_mac_bytes;
u64 rx_mac_uc_packets;
u64 rx_mac_mc_packets;
u64 rx_mac_bc_packets;
u64 rx_mac_frames_ok;
u64 tx_mac_bytes;
u64 tx_mac_uc_packets;
u64 tx_mac_mc_packets;
u64 tx_mac_bc_packets;
u64 tx_mac_ctrl_frames;
};
#define QED_SB_IDX 0x0002
#define RX_PI 0
#define TX_PI(tc) (RX_PI + 1 + tc)
struct qed_sb_cnt_info {
int sb_cnt;
int sb_iov_cnt;
int sb_free_blk;
};
static inline u16 qed_sb_update_sb_idx(struct qed_sb_info *sb_info)
{
u32 prod = 0;
u16 rc = 0;
prod = le32_to_cpu(sb_info->sb_virt->prod_index) &
STATUS_BLOCK_PROD_INDEX_MASK;
if (sb_info->sb_ack != prod) {
sb_info->sb_ack = prod;
rc |= QED_SB_IDX;
}
/* Let SB update */
mmiowb();
return rc;
}
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/**
*
* @brief This function creates an update command for interrupts that is
* written to the IGU.
*
* @param sb_info - This is the structure allocated and
* initialized per status block. Assumption is
* that it was initialized using qed_sb_init
* @param int_cmd - Enable/Disable/Nop
* @param upd_flg - whether igu consumer should be
* updated.
*
* @return inline void
*/
static inline void qed_sb_ack(struct qed_sb_info *sb_info,
enum igu_int_cmd int_cmd,
u8 upd_flg)
{
struct igu_prod_cons_update igu_ack = { 0 };
igu_ack.sb_id_and_flags =
((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
(upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
(int_cmd << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) |
(IGU_SEG_ACCESS_REG <<
IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));
DIRECT_REG_WR(sb_info->igu_addr, igu_ack.sb_id_and_flags);
/* Both segments (interrupts & acks) are written to same place address;
* Need to guarantee all commands will be received (in-order) by HW.
*/
mmiowb();
barrier();
}
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static inline void __internal_ram_wr(void *p_hwfn,
void __iomem *addr,
int size,
u32 *data)
{
unsigned int i;
for (i = 0; i < size / sizeof(*data); i++)
DIRECT_REG_WR(&((u32 __iomem *)addr)[i], data[i]);
}
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static inline void internal_ram_wr(void __iomem *addr,
int size,
u32 *data)
{
__internal_ram_wr(NULL, addr, size, data);
}
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enum qed_rss_caps {
QED_RSS_IPV4 = 0x1,
QED_RSS_IPV6 = 0x2,
QED_RSS_IPV4_TCP = 0x4,
QED_RSS_IPV6_TCP = 0x8,
QED_RSS_IPV4_UDP = 0x10,
QED_RSS_IPV6_UDP = 0x20,
};
#define QED_RSS_IND_TABLE_SIZE 128
#define QED_RSS_KEY_SIZE 10
/* size in 32b chunks */
#endif
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