Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 200 insertions, 0 deletions

diff --git a/drivers/net/i40e/base/i40e_lan_hmc.h b/drivers/net/i40e/base/i40e_lan_hmc.h
new file mode 100644
index 00000000..b2a43104
--- /dev/null
+++ b/drivers/net/i40e/base/i40e_lan_hmc.h
@@ -0,0 +1,200 @@
+/*******************************************************************************
+
+Copyright (c) 2013 - 2015, Intel Corporation
+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.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+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.
+
+***************************************************************************/
+
+#ifndef _I40E_LAN_HMC_H_
+#define _I40E_LAN_HMC_H_
+
+/* forward-declare the HW struct for the compiler */
+struct i40e_hw;
+
+/* HMC element context information */
+
+/* Rx queue context data
+ *
+ * The sizes of the variables may be larger than needed due to crossing byte
+ * boundaries. If we do not have the width of the variable set to the correct
+ * size then we could end up shifting bits off the top of the variable when the
+ * variable is at the top of a byte and crosses over into the next byte.
+ */
+struct i40e_hmc_obj_rxq {
+	u16 head;
+	u16 cpuid; /* bigger than needed, see above for reason */
+	u64 base;
+	u16 qlen;
+#define I40E_RXQ_CTX_DBUFF_SHIFT 7
+	u16 dbuff; /* bigger than needed, see above for reason */
+#define I40E_RXQ_CTX_HBUFF_SHIFT 6
+	u16 hbuff; /* bigger than needed, see above for reason */
+	u8  dtype;
+	u8  dsize;
+	u8  crcstrip;
+	u8  fc_ena;
+	u8  l2tsel;
+	u8  hsplit_0;
+	u8  hsplit_1;
+	u8  showiv;
+	u32 rxmax; /* bigger than needed, see above for reason */
+	u8  tphrdesc_ena;
+	u8  tphwdesc_ena;
+	u8  tphdata_ena;
+	u8  tphhead_ena;
+	u16 lrxqthresh; /* bigger than needed, see above for reason */
+	u8  prefena;	/* NOTE: normally must be set to 1 at init */
+};
+
+/* Tx queue context data
+*
+* The sizes of the variables may be larger than needed due to crossing byte
+* boundaries. If we do not have the width of the variable set to the correct
+* size then we could end up shifting bits off the top of the variable when the
+* variable is at the top of a byte and crosses over into the next byte.
+*/
+struct i40e_hmc_obj_txq {
+	u16 head;
+	u8  new_context;
+	u64 base;
+	u8  fc_ena;
+	u8  timesync_ena;
+	u8  fd_ena;
+	u8  alt_vlan_ena;
+	u16 thead_wb;
+	u8  cpuid;
+	u8  head_wb_ena;
+	u16 qlen;
+	u8  tphrdesc_ena;
+	u8  tphrpacket_ena;
+	u8  tphwdesc_ena;
+	u64 head_wb_addr;
+	u32 crc;
+	u16 rdylist;
+	u8  rdylist_act;
+};
+
+/* for hsplit_0 field of Rx HMC context */
+enum i40e_hmc_obj_rx_hsplit_0 {
+	I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT      = 0,
+	I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2      = 1,
+	I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP      = 2,
+	I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4,
+	I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP    = 8,
+};
+
+/* fcoe_cntx and fcoe_filt are for debugging purpose only */
+struct i40e_hmc_obj_fcoe_cntx {
+	u32 rsv[32];
+};
+
+struct i40e_hmc_obj_fcoe_filt {
+	u32 rsv[8];
+};
+
+/* Context sizes for LAN objects */
+enum i40e_hmc_lan_object_size {
+	I40E_HMC_LAN_OBJ_SZ_8   = 0x3,
+	I40E_HMC_LAN_OBJ_SZ_16  = 0x4,
+	I40E_HMC_LAN_OBJ_SZ_32  = 0x5,
+	I40E_HMC_LAN_OBJ_SZ_64  = 0x6,
+	I40E_HMC_LAN_OBJ_SZ_128 = 0x7,
+	I40E_HMC_LAN_OBJ_SZ_256 = 0x8,
+	I40E_HMC_LAN_OBJ_SZ_512 = 0x9,
+};
+
+#define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512
+#define I40E_HMC_OBJ_SIZE_TXQ         128
+#define I40E_HMC_OBJ_SIZE_RXQ         32
+#define I40E_HMC_OBJ_SIZE_FCOE_CNTX   64
+#define I40E_HMC_OBJ_SIZE_FCOE_FILT   64
+
+enum i40e_hmc_lan_rsrc_type {
+	I40E_HMC_LAN_FULL  = 0,
+	I40E_HMC_LAN_TX    = 1,
+	I40E_HMC_LAN_RX    = 2,
+	I40E_HMC_FCOE_CTX  = 3,
+	I40E_HMC_FCOE_FILT = 4,
+	I40E_HMC_LAN_MAX   = 5
+};
+
+enum i40e_hmc_model {
+	I40E_HMC_MODEL_DIRECT_PREFERRED = 0,
+	I40E_HMC_MODEL_DIRECT_ONLY      = 1,
+	I40E_HMC_MODEL_PAGED_ONLY       = 2,
+	I40E_HMC_MODEL_UNKNOWN,
+};
+
+struct i40e_hmc_lan_create_obj_info {
+	struct i40e_hmc_info *hmc_info;
+	u32 rsrc_type;
+	u32 start_idx;
+	u32 count;
+	enum i40e_sd_entry_type entry_type;
+	u64 direct_mode_sz;
+};
+
+struct i40e_hmc_lan_delete_obj_info {
+	struct i40e_hmc_info *hmc_info;
+	u32 rsrc_type;
+	u32 start_idx;
+	u32 count;
+};
+
+enum i40e_status_code i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num,
+					u32 rxq_num, u32 fcoe_cntx_num,
+					u32 fcoe_filt_num);
+enum i40e_status_code i40e_configure_lan_hmc(struct i40e_hw *hw,
+					     enum i40e_hmc_model model);
+enum i40e_status_code i40e_shutdown_lan_hmc(struct i40e_hw *hw);
+
+u64 i40e_calculate_l2fpm_size(u32 txq_num, u32 rxq_num,
+			      u32 fcoe_cntx_num, u32 fcoe_filt_num);
+enum i40e_status_code i40e_get_lan_tx_queue_context(struct i40e_hw *hw,
+						    u16 queue,
+						    struct i40e_hmc_obj_txq *s);
+enum i40e_status_code i40e_clear_lan_tx_queue_context(struct i40e_hw *hw,
+						      u16 queue);
+enum i40e_status_code i40e_set_lan_tx_queue_context(struct i40e_hw *hw,
+						    u16 queue,
+						    struct i40e_hmc_obj_txq *s);
+enum i40e_status_code i40e_get_lan_rx_queue_context(struct i40e_hw *hw,
+						    u16 queue,
+						    struct i40e_hmc_obj_rxq *s);
+enum i40e_status_code i40e_clear_lan_rx_queue_context(struct i40e_hw *hw,
+						      u16 queue);
+enum i40e_status_code i40e_set_lan_rx_queue_context(struct i40e_hw *hw,
+						    u16 queue,
+						    struct i40e_hmc_obj_rxq *s);
+enum i40e_status_code i40e_create_lan_hmc_object(struct i40e_hw *hw,
+				struct i40e_hmc_lan_create_obj_info *info);
+enum i40e_status_code i40e_delete_lan_hmc_object(struct i40e_hw *hw,
+				struct i40e_hmc_lan_delete_obj_info *info);
+
+#endif /* _I40E_LAN_HMC_H_ */