These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / ethernet / qlogic / qed / qed_hw.h
diff --git a/kernel/drivers/net/ethernet/qlogic/qed/qed_hw.h b/kernel/drivers/net/ethernet/qlogic/qed/qed_hw.h
new file mode 100644 (file)
index 0000000..e56d433
--- /dev/null
@@ -0,0 +1,263 @@
+/* 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_HW_H
+#define _QED_HW_H
+
+#include <linux/types.h>
+#include <linux/bitops.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include "qed.h"
+#include "qed_dev_api.h"
+
+/* Forward decleration */
+struct qed_ptt;
+
+enum reserved_ptts {
+       RESERVED_PTT_EDIAG,
+       RESERVED_PTT_USER_SPACE,
+       RESERVED_PTT_MAIN,
+       RESERVED_PTT_DPC,
+       RESERVED_PTT_MAX
+};
+
+enum _dmae_cmd_dst_mask {
+       DMAE_CMD_DST_MASK_NONE  = 0,
+       DMAE_CMD_DST_MASK_PCIE  = 1,
+       DMAE_CMD_DST_MASK_GRC   = 2
+};
+
+enum _dmae_cmd_src_mask {
+       DMAE_CMD_SRC_MASK_PCIE  = 0,
+       DMAE_CMD_SRC_MASK_GRC   = 1
+};
+
+enum _dmae_cmd_crc_mask {
+       DMAE_CMD_COMP_CRC_EN_MASK_NONE  = 0,
+       DMAE_CMD_COMP_CRC_EN_MASK_SET   = 1
+};
+
+/* definitions for DMA constants */
+#define DMAE_GO_VALUE   0x1
+
+#define DMAE_COMPLETION_VAL     0xD1AE
+#define DMAE_CMD_ENDIANITY      0x2
+
+#define DMAE_CMD_SIZE   14
+#define DMAE_CMD_SIZE_TO_FILL   (DMAE_CMD_SIZE - 5)
+#define DMAE_MIN_WAIT_TIME      0x2
+#define DMAE_MAX_CLIENTS        32
+
+/**
+ * @brief qed_gtt_init - Initialize GTT windows
+ *
+ * @param p_hwfn
+ */
+void qed_gtt_init(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_ptt_invalidate - Forces all ptt entries to be re-configured
+ *
+ * @param p_hwfn
+ */
+void qed_ptt_invalidate(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_ptt_pool_alloc - Allocate and initialize PTT pool
+ *
+ * @param p_hwfn
+ *
+ * @return struct _qed_status - success (0), negative - error.
+ */
+int qed_ptt_pool_alloc(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_ptt_pool_free -
+ *
+ * @param p_hwfn
+ */
+void qed_ptt_pool_free(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_ptt_get_hw_addr - Get PTT's GRC/HW address
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @return u32
+ */
+u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn,
+                       struct qed_ptt *p_ptt);
+
+/**
+ * @brief qed_ptt_get_bar_addr - Get PPT's external BAR address
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @return u32
+ */
+u32 qed_ptt_get_bar_addr(struct qed_ptt *p_ptt);
+
+/**
+ * @brief qed_ptt_set_win - Set PTT Window's GRC BAR address
+ *
+ * @param p_hwfn
+ * @param new_hw_addr
+ * @param p_ptt
+ */
+void qed_ptt_set_win(struct qed_hwfn *p_hwfn,
+                    struct qed_ptt *p_ptt,
+                    u32 new_hw_addr);
+
+/**
+ * @brief qed_get_reserved_ptt - Get a specific reserved PTT
+ *
+ * @param p_hwfn
+ * @param ptt_idx
+ *
+ * @return struct qed_ptt *
+ */
+struct qed_ptt *qed_get_reserved_ptt(struct qed_hwfn *p_hwfn,
+                                    enum reserved_ptts ptt_idx);
+
+/**
+ * @brief qed_wr - Write value to BAR using the given ptt
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param val
+ * @param hw_addr
+ */
+void qed_wr(struct qed_hwfn *p_hwfn,
+           struct qed_ptt *p_ptt,
+           u32 hw_addr,
+           u32 val);
+
+/**
+ * @brief qed_rd - Read value from BAR using the given ptt
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param val
+ * @param hw_addr
+ */
+u32 qed_rd(struct qed_hwfn *p_hwfn,
+          struct qed_ptt *p_ptt,
+          u32 hw_addr);
+
+/**
+ * @brief qed_memcpy_from - copy n bytes from BAR using the given
+ *        ptt
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param dest
+ * @param hw_addr
+ * @param n
+ */
+void qed_memcpy_from(struct qed_hwfn *p_hwfn,
+                    struct qed_ptt *p_ptt,
+                    void *dest,
+                    u32 hw_addr,
+                    size_t n);
+
+/**
+ * @brief qed_memcpy_to - copy n bytes to BAR using the given
+ *        ptt
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param hw_addr
+ * @param src
+ * @param n
+ */
+void qed_memcpy_to(struct qed_hwfn *p_hwfn,
+                  struct qed_ptt *p_ptt,
+                  u32 hw_addr,
+                  void *src,
+                  size_t n);
+/**
+ * @brief qed_fid_pretend - pretend to another function when
+ *        accessing the ptt window. There is no way to unpretend
+ *        a function. The only way to cancel a pretend is to
+ *        pretend back to the original function.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param fid - fid field of pxp_pretend structure. Can contain
+ *            either pf / vf, port/path fields are don't care.
+ */
+void qed_fid_pretend(struct qed_hwfn *p_hwfn,
+                    struct qed_ptt *p_ptt,
+                    u16 fid);
+
+/**
+ * @brief qed_port_pretend - pretend to another port when
+ *        accessing the ptt window
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param port_id - the port to pretend to
+ */
+void qed_port_pretend(struct qed_hwfn *p_hwfn,
+                     struct qed_ptt *p_ptt,
+                     u8 port_id);
+
+/**
+ * @brief qed_port_unpretend - cancel any previously set port
+ *        pretend
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+void qed_port_unpretend(struct qed_hwfn *p_hwfn,
+                       struct qed_ptt *p_ptt);
+
+/**
+ * @brief qed_dmae_idx_to_go_cmd - map the idx to dmae cmd
+ * this is declared here since other files will require it.
+ * @param idx
+ */
+u32 qed_dmae_idx_to_go_cmd(u8 idx);
+
+/**
+ * @brief qed_dmae_info_alloc - Init the dmae_info structure
+ * which is part of p_hwfn.
+ * @param p_hwfn
+ */
+int qed_dmae_info_alloc(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_dmae_info_free - Free the dmae_info structure
+ * which is part of p_hwfn
+ *
+ * @param p_hwfn
+ */
+void qed_dmae_info_free(struct qed_hwfn *p_hwfn);
+
+union qed_qm_pq_params {
+       struct {
+               u8 tc;
+       }       core;
+
+       struct {
+               u8      is_vf;
+               u8      vf_id;
+               u8      tc;
+       }       eth;
+};
+
+u16 qed_get_qm_pq(struct qed_hwfn *p_hwfn,
+                 enum protocol_type proto,
+                 union qed_qm_pq_params *params);
+
+int qed_init_fw_data(struct qed_dev *cdev,
+                    const u8 *fw_data);
+#endif