aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/avf/base/avf_lan_hmc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/avf/base/avf_lan_hmc.h')
-rw-r--r--drivers/net/avf/base/avf_lan_hmc.h200
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/net/avf/base/avf_lan_hmc.h b/drivers/net/avf/base/avf_lan_hmc.h
new file mode 100644
index 00000000..48805d89
--- /dev/null
+++ b/drivers/net/avf/base/avf_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 _AVF_LAN_HMC_H_
+#define _AVF_LAN_HMC_H_
+
+/* forward-declare the HW struct for the compiler */
+struct avf_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 avf_hmc_obj_rxq {
+ u16 head;
+ u16 cpuid; /* bigger than needed, see above for reason */
+ u64 base;
+ u16 qlen;
+#define AVF_RXQ_CTX_DBUFF_SHIFT 7
+ u16 dbuff; /* bigger than needed, see above for reason */
+#define AVF_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 avf_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 avf_hmc_obj_rx_hsplit_0 {
+ AVF_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0,
+ AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1,
+ AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2,
+ AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4,
+ AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8,
+};
+
+/* fcoe_cntx and fcoe_filt are for debugging purpose only */
+struct avf_hmc_obj_fcoe_cntx {
+ u32 rsv[32];
+};
+
+struct avf_hmc_obj_fcoe_filt {
+ u32 rsv[8];
+};
+
+/* Context sizes for LAN objects */
+enum avf_hmc_lan_object_size {
+ AVF_HMC_LAN_OBJ_SZ_8 = 0x3,
+ AVF_HMC_LAN_OBJ_SZ_16 = 0x4,
+ AVF_HMC_LAN_OBJ_SZ_32 = 0x5,
+ AVF_HMC_LAN_OBJ_SZ_64 = 0x6,
+ AVF_HMC_LAN_OBJ_SZ_128 = 0x7,
+ AVF_HMC_LAN_OBJ_SZ_256 = 0x8,
+ AVF_HMC_LAN_OBJ_SZ_512 = 0x9,
+};
+
+#define AVF_HMC_L2OBJ_BASE_ALIGNMENT 512
+#define AVF_HMC_OBJ_SIZE_TXQ 128
+#define AVF_HMC_OBJ_SIZE_RXQ 32
+#define AVF_HMC_OBJ_SIZE_FCOE_CNTX 64
+#define AVF_HMC_OBJ_SIZE_FCOE_FILT 64
+
+enum avf_hmc_lan_rsrc_type {
+ AVF_HMC_LAN_FULL = 0,
+ AVF_HMC_LAN_TX = 1,
+ AVF_HMC_LAN_RX = 2,
+ AVF_HMC_FCOE_CTX = 3,
+ AVF_HMC_FCOE_FILT = 4,
+ AVF_HMC_LAN_MAX = 5
+};
+
+enum avf_hmc_model {
+ AVF_HMC_MODEL_DIRECT_PREFERRED = 0,
+ AVF_HMC_MODEL_DIRECT_ONLY = 1,
+ AVF_HMC_MODEL_PAGED_ONLY = 2,
+ AVF_HMC_MODEL_UNKNOWN,
+};
+
+struct avf_hmc_lan_create_obj_info {
+ struct avf_hmc_info *hmc_info;
+ u32 rsrc_type;
+ u32 start_idx;
+ u32 count;
+ enum avf_sd_entry_type entry_type;
+ u64 direct_mode_sz;
+};
+
+struct avf_hmc_lan_delete_obj_info {
+ struct avf_hmc_info *hmc_info;
+ u32 rsrc_type;
+ u32 start_idx;
+ u32 count;
+};
+
+enum avf_status_code avf_init_lan_hmc(struct avf_hw *hw, u32 txq_num,
+ u32 rxq_num, u32 fcoe_cntx_num,
+ u32 fcoe_filt_num);
+enum avf_status_code avf_configure_lan_hmc(struct avf_hw *hw,
+ enum avf_hmc_model model);
+enum avf_status_code avf_shutdown_lan_hmc(struct avf_hw *hw);
+
+u64 avf_calculate_l2fpm_size(u32 txq_num, u32 rxq_num,
+ u32 fcoe_cntx_num, u32 fcoe_filt_num);
+enum avf_status_code avf_get_lan_tx_queue_context(struct avf_hw *hw,
+ u16 queue,
+ struct avf_hmc_obj_txq *s);
+enum avf_status_code avf_clear_lan_tx_queue_context(struct avf_hw *hw,
+ u16 queue);
+enum avf_status_code avf_set_lan_tx_queue_context(struct avf_hw *hw,
+ u16 queue,
+ struct avf_hmc_obj_txq *s);
+enum avf_status_code avf_get_lan_rx_queue_context(struct avf_hw *hw,
+ u16 queue,
+ struct avf_hmc_obj_rxq *s);
+enum avf_status_code avf_clear_lan_rx_queue_context(struct avf_hw *hw,
+ u16 queue);
+enum avf_status_code avf_set_lan_rx_queue_context(struct avf_hw *hw,
+ u16 queue,
+ struct avf_hmc_obj_rxq *s);
+enum avf_status_code avf_create_lan_hmc_object(struct avf_hw *hw,
+ struct avf_hmc_lan_create_obj_info *info);
+enum avf_status_code avf_delete_lan_hmc_object(struct avf_hw *hw,
+ struct avf_hmc_lan_delete_obj_info *info);
+
+#endif /* _AVF_LAN_HMC_H_ */