These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / ethernet / qlogic / qed / qed.h
diff --git a/kernel/drivers/net/ethernet/qlogic/qed/qed.h b/kernel/drivers/net/ethernet/qlogic/qed/qed.h
new file mode 100644 (file)
index 0000000..1292c36
--- /dev/null
@@ -0,0 +1,499 @@
+/* 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_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_hsi.h"
+
+extern const struct qed_common_ops qed_common_ops_pass;
+#define DRV_MODULE_VERSION "8.4.0.0"
+
+#define MAX_HWFNS_PER_DEVICE    (4)
+#define NAME_SIZE 16
+#define VER_SIZE 16
+
+/* cau states */
+enum qed_coalescing_mode {
+       QED_COAL_MODE_DISABLE,
+       QED_COAL_MODE_ENABLE
+};
+
+struct qed_eth_cb_ops;
+struct qed_dev_info;
+
+/* helpers */
+static inline u32 qed_db_addr(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_mcp_info;
+
+struct qed_rt_data {
+       u32 init_val;
+       bool b_valid;
+};
+
+/* 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_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;
+};
+
+enum QED_RESOURCES {
+       QED_SB,
+       QED_L2_QUEUE,
+       QED_VPORT,
+       QED_RSS_ENG,
+       QED_PQ,
+       QED_RL,
+       QED_MAC,
+       QED_VLAN,
+       QED_ILT,
+       QED_MAX_RESC,
+};
+
+enum QED_FEATURE {
+       QED_PF_L2_QUE,
+       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
+};
+
+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 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];
+
+       u32                             vendor_id;
+       u32                             device_id;
+
+       unsigned char                   hw_mac_addr[ETH_ALEN];
+
+       struct qed_igu_info             *p_igu_info;
+
+       u32                             port_mode;
+       u32                             hw_mode;
+};
+
+struct qed_hw_cid_data {
+       u32     cid;
+       bool    b_cid_allocated;
+
+       /* Additional identifiers */
+       u16     opaque_fid;
+       u8      vport_id;
+};
+
+/* 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_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                              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 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;
+};
+
+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)           ((_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;
+
+       /* 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 */
+       struct qed_pf_params            pf_params;
+
+       /* 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;
+
+       struct qed_mcp_info             *mcp_info;
+
+       struct qed_hw_cid_data          *p_tx_cids;
+       struct qed_hw_cid_data          *p_rx_cids;
+
+       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 qed_simd_fp_handler      simd_proto_handler[64];
+
+       struct z_stream_s               *stream;
+};
+
+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;
+};
+
+struct qed_dev {
+       u32     dp_module;
+       u8      dp_level;
+       char    name[NAME_SIZE];
+
+       u8      type;
+#define QED_DEV_TYPE_BB_A0      (0 << 0)
+#define QED_DEV_TYPE_MASK       (0x3)
+#define QED_DEV_TYPE_SHIFT      (0)
+
+       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
+
+       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 mf_mode                    mf_mode;
+#define IS_MF(_p_hwfn)          (((_p_hwfn)->cdev)->mf_mode != SF)
+#define IS_MF_SI(_p_hwfn)       (((_p_hwfn)->cdev)->mf_mode == MF_NPAR)
+#define IS_MF_SD(_p_hwfn)       (((_p_hwfn)->cdev)->mf_mode == MF_OVLAN)
+
+       int                             pcie_width;
+       int                             pcie_speed;
+       u8                              ver_str[VER_SIZE];
+
+       /* Add MF related configuration */
+       u8                              mcp_rev;
+       u8                              boot_mode;
+
+       u8                              wol;
+
+       u32                             int_mode;
+       enum qed_coalescing_mode        int_coalescing_mode;
+       u8                              rx_coalesce_usecs;
+       u8                              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];
+
+       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;
+       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)
+
+       /* Callbacks to protocol driver */
+       union {
+               struct qed_common_cb_ops        *common;
+               struct qed_eth_cb_ops           *eth;
+       } protocol_ops;
+       void                            *ops_cookie;
+
+       const struct firmware           *firmware;
+};
+
+#define QED_GET_TYPE(dev)       (((dev)->type & QED_DEV_TYPE_MASK) >> \
+                                QED_DEV_TYPE_SHIFT)
+#define QED_IS_BB_A0(dev)       (QED_GET_TYPE(dev) == QED_DEV_TYPE_BB_A0)
+#define QED_IS_BB(dev)  (QED_IS_BB_A0(dev))
+
+#define NUM_OF_SBS(dev)         MAX_SB_PER_PATH_BB
+#define NUM_OF_ENG_PFS(dev)     MAX_NUM_PFS_BB
+
+/**
+ * @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 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
+
+       return pfid;
+}
+
+#define PURE_LB_TC 8
+
+#define QED_LEADING_HWFN(dev)   (&dev->hwfns[0])
+
+/* 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);
+
+int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
+
+#define QED_ETH_INTERFACE_VERSION       300
+
+#endif /* _QED_H */