Add 25/40/100Gigabit Ethernet Driver version v1.3.0 for Cavium Inc's.

Qlogic 45000 Series Adapters

MFC after:2 weeks

1 files changed, 352 insertions, 0 deletions

diff --git a/sys/dev/qlnx/qlnxe/ecore_int_api.h b/sys/dev/qlnx/qlnxe/ecore_int_api.h
new file mode 100644
index 000000000000..d2efa18919ee
--- /dev/null
+++ b/sys/dev/qlnx/qlnxe/ecore_int_api.h
@@ -0,0 +1,352 @@
+/*
+ * Copyright (c) 2017-2018 Cavium, Inc. 
+ * All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. 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.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ *
+ */
+
+
+#ifndef __ECORE_INT_API_H__
+#define __ECORE_INT_API_H__
+
+#define ECORE_SB_IDX		0x0002
+
+#define RX_PI		0
+#define TX_PI(tc)	(RX_PI + 1 + tc)
+
+#ifndef ECORE_INT_MODE
+#define ECORE_INT_MODE
+enum ecore_int_mode {
+	ECORE_INT_MODE_INTA,
+	ECORE_INT_MODE_MSIX,
+	ECORE_INT_MODE_MSI,
+	ECORE_INT_MODE_POLL,
+};
+#endif
+
+struct ecore_sb_info {
+	struct status_block *sb_virt;
+	dma_addr_t sb_phys;
+	u32 sb_ack; /* Last given ack */
+	u16 igu_sb_id;
+	void OSAL_IOMEM *igu_addr;
+	u8 flags;
+#define ECORE_SB_INFO_INIT 	0x1
+#define ECORE_SB_INFO_SETUP 	0x2
+
+#ifdef ECORE_CONFIG_DIRECT_HWFN
+	struct ecore_hwfn *p_hwfn;
+#endif
+	struct ecore_dev *p_dev;
+};
+
+struct ecore_sb_info_dbg {
+	u32 igu_prod;
+	u32 igu_cons;
+	u16 pi[PIS_PER_SB];
+};
+
+struct ecore_sb_cnt_info {
+	/* Original, current, and free SBs for PF */
+	int orig;
+	int cnt;
+	int free_cnt;
+
+	/* Original, current and free SBS for child VFs */
+	int iov_orig;
+	int iov_cnt;
+	int free_cnt_iov;
+};
+
+static OSAL_INLINE u16 ecore_sb_update_sb_idx(struct ecore_sb_info *sb_info)
+{
+	u32 prod = 0;
+	u16 rc   = 0;
+
+	// barrier(); /* status block is written to by the chip */
+	// FIXME: need some sort of barrier.
+	prod = OSAL_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 |= ECORE_SB_IDX;
+	}
+
+	OSAL_MMIOWB(sb_info->p_dev);
+	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 ecore_sb_init
+ * @param int_cmd 	- Enable/Disable/Nop
+ * @param upd_flg 	- whether igu consumer should be
+ *      	   updated.
+ *
+ * @return OSAL_INLINE void
+ */
+static OSAL_INLINE void ecore_sb_ack(struct ecore_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));
+
+#ifdef ECORE_CONFIG_DIRECT_HWFN
+	DIRECT_REG_WR(sb_info->p_hwfn, sb_info->igu_addr,
+		      igu_ack.sb_id_and_flags);
+#else
+	DIRECT_REG_WR(OSAL_NULL, sb_info->igu_addr, igu_ack.sb_id_and_flags);
+#endif
+	/* Both segments (interrupts & acks) are written to same place address;
+	 * Need to guarantee all commands will be received (in-order) by HW.
+	 */
+	OSAL_MMIOWB(sb_info->p_dev);
+	OSAL_BARRIER(sb_info->p_dev);
+}
+
+#ifdef ECORE_CONFIG_DIRECT_HWFN
+static OSAL_INLINE void __internal_ram_wr(struct ecore_hwfn *p_hwfn,
+					  void OSAL_IOMEM *addr,
+					  int size, u32 *data)
+#else
+static OSAL_INLINE void __internal_ram_wr(void *p_hwfn,
+					  void OSAL_IOMEM *addr,
+					  int size, u32 *data)
+
+#endif
+{
+	unsigned int i;
+
+	for (i = 0; i < size / sizeof(*data); i++)
+		DIRECT_REG_WR(p_hwfn, &((u32 OSAL_IOMEM *)addr)[i], data[i]);
+}
+
+#ifdef ECORE_CONFIG_DIRECT_HWFN
+static OSAL_INLINE void internal_ram_wr(struct ecore_hwfn *p_hwfn,
+					void OSAL_IOMEM *addr,
+					int size, u32 *data)
+{
+	__internal_ram_wr(p_hwfn, addr, size, data);
+}
+#else
+static OSAL_INLINE void internal_ram_wr(void OSAL_IOMEM *addr,
+					int size, u32 *data)
+{
+	__internal_ram_wr(OSAL_NULL, addr, size, data);
+}
+#endif
+
+struct ecore_hwfn;
+struct ecore_ptt;
+
+enum ecore_coalescing_fsm {
+	ECORE_COAL_RX_STATE_MACHINE,
+	ECORE_COAL_TX_STATE_MACHINE
+}; 
+
+/**
+ * @brief ecore_int_cau_conf_pi - configure cau for a given
+ *        status block
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_sb
+ * @param pi_index
+ * @param state
+ * @param timeset
+ */
+void ecore_int_cau_conf_pi(struct ecore_hwfn		*p_hwfn,
+			   struct ecore_ptt		*p_ptt,
+			   struct ecore_sb_info		*p_sb,
+			   u32				pi_index,
+			   enum ecore_coalescing_fsm	coalescing_fsm,
+			   u8				timeset);
+
+/**
+ * @brief ecore_int_igu_enable_int - enable device interrupts
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param int_mode - interrupt mode to use
+ */
+void ecore_int_igu_enable_int(struct ecore_hwfn *p_hwfn,
+			      struct ecore_ptt *p_ptt,
+			      enum ecore_int_mode int_mode);
+
+/**
+ * @brief ecore_int_igu_disable_int - disable device interrupts
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+void ecore_int_igu_disable_int(struct ecore_hwfn *p_hwfn,
+			       struct ecore_ptt	*p_ptt); 
+
+/**
+ * @brief ecore_int_igu_read_sisr_reg - Reads the single isr multiple dpc
+ *        register from igu.
+ *
+ * @param p_hwfn
+ *
+ * @return u64
+ */
+u64 ecore_int_igu_read_sisr_reg(struct ecore_hwfn *p_hwfn); 
+
+#define ECORE_SP_SB_ID 0xffff
+
+/**
+ * @brief ecore_int_sb_init - Initializes the sb_info structure.
+ *
+ * once the structure is initialized it can be passed to sb related functions.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param sb_info	points to an uninitialized (but
+ *			allocated) sb_info structure
+ * @param sb_virt_addr
+ * @param sb_phy_addr
+ * @param sb_id		the sb_id to be used (zero based in driver)
+ *			should use ECORE_SP_SB_ID for SP Status block
+ *
+ * @return enum _ecore_status_t
+ */
+enum _ecore_status_t ecore_int_sb_init(struct ecore_hwfn	*p_hwfn,
+				       struct ecore_ptt		*p_ptt,
+				       struct ecore_sb_info	*sb_info,
+				       void			*sb_virt_addr,
+				       dma_addr_t		sb_phy_addr,
+				       u16			sb_id);
+/**
+ * @brief ecore_int_sb_setup - Setup the sb.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param sb_info	initialized sb_info structure
+ */
+void ecore_int_sb_setup(
+		struct ecore_hwfn	*p_hwfn,
+		struct ecore_ptt		*p_ptt,
+		struct ecore_sb_info	*sb_info);
+
+/**
+ * @brief ecore_int_sb_release - releases the sb_info structure.
+ *
+ * once the structure is released, it's memory can be freed
+ *
+ * @param p_hwfn
+ * @param sb_info	points to an allocated sb_info structure
+ * @param sb_id		the sb_id to be used (zero based in driver)
+ *			should never be equal to ECORE_SP_SB_ID
+ *			(SP Status block)
+ *
+ * @return enum _ecore_status_t
+ */
+enum _ecore_status_t ecore_int_sb_release(struct ecore_hwfn	*p_hwfn,
+					  struct ecore_sb_info	*sb_info,
+					  u16			sb_id);
+
+/**
+ * @brief ecore_int_sp_dpc - To be called when an interrupt is received on the
+ *        default status block.
+ *
+ * @param p_hwfn - pointer to hwfn
+ *
+ */
+void ecore_int_sp_dpc(osal_int_ptr_t hwfn_cookie);
+
+/**
+ * @brief ecore_int_get_num_sbs - get the number of status 
+ *        blocks configured for this funciton in the igu.
+ * 
+ * @param p_hwfn
+ * @param p_sb_cnt_info
+ * 
+ * @return
+ */
+void ecore_int_get_num_sbs(struct ecore_hwfn	    *p_hwfn,
+			   struct ecore_sb_cnt_info *p_sb_cnt_info);
+
+/**
+ * @brief ecore_int_disable_post_isr_release - performs the cleanup post ISR
+ *        release. The API need to be called after releasing all slowpath IRQs
+ *        of the device.
+ *
+ * @param p_dev
+ *
+ */
+void ecore_int_disable_post_isr_release(struct ecore_dev *p_dev);
+
+/**
+ * @brief ecore_int_attn_clr_enable - sets whether the general behavior is
+ *        preventing attentions from being reasserted, or following the
+ *        attributes of the specific attention.
+ *
+ * @param p_dev
+ * @param clr_enable
+ *
+ */
+void ecore_int_attn_clr_enable(struct ecore_dev *p_dev, bool clr_enable);
+
+/**
+ * @brief Read debug information regarding a given SB.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_sb - point to Status block for which we want to get info.
+ * @param p_info - pointer to struct to fill with information regarding SB.
+ *
+ * @return ECORE_SUCCESS if pointer is filled; failure otherwise.
+ */
+enum _ecore_status_t ecore_int_get_sb_dbg(struct ecore_hwfn *p_hwfn,
+					  struct ecore_ptt *p_ptt,
+					  struct ecore_sb_info *p_sb,
+					  struct ecore_sb_info_dbg *p_info);
+
+/**
+ * @brief - Move a free Status block between PF and child VF
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param sb_id - The PF fastpath vector to be moved [re-assigned if claiming
+ *                from VF, given-up if moving to VF]
+ * @param b_to_vf - PF->VF == true, VF->PF == false
+ *
+ * @return ECORE_SUCCESS if SB successfully moved.
+ */
+enum _ecore_status_t
+ecore_int_igu_relocate_sb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+			  u16 sb_id, bool b_to_vf);
+#endif