| /* 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 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; |
| }; |
| |
| 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) |
| 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; |
| }; |
| |
| 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; |
| }; |
| |
| #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_common_ops { |
| struct qed_dev* (*probe)(struct pci_dev *dev, |
| enum qed_protocol protocol, |
| u32 dp_module, u8 dp_level); |
| |
| 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 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); |
| }; |
| |
| /** |
| * @brief qed_get_protocol_version |
| * |
| * @param protocol |
| * |
| * @return version supported by qed for given protocol driver |
| */ |
| u32 qed_get_protocol_version(enum qed_protocol protocol); |
| |
| #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_127_byte_packets; |
| u64 rx_255_byte_packets; |
| u64 rx_511_byte_packets; |
| u64 rx_1023_byte_packets; |
| u64 rx_1518_byte_packets; |
| u64 rx_1522_byte_packets; |
| u64 rx_2047_byte_packets; |
| u64 rx_4095_byte_packets; |
| u64 rx_9216_byte_packets; |
| u64 rx_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) |
| |
| 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; |
| } |
| |
| /** |
| * |
| * @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(); |
| } |
| |
| 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]); |
| } |
| |
| static inline void internal_ram_wr(void __iomem *addr, |
| int size, |
| u32 *data) |
| { |
| __internal_ram_wr(NULL, addr, size, data); |
| } |
| |
| #endif |