| /* |
| * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet |
| * driver for Linux. |
| * |
| * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed 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, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - 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. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef __T4VF_COMMON_H__ |
| #define __T4VF_COMMON_H__ |
| |
| #include "../cxgb4/t4fw_api.h" |
| |
| #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) |
| #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) |
| #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) |
| |
| /* All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where: |
| * |
| * V = "4" for T4; "5" for T5, etc. or |
| * = "a" for T4 FPGA; "b" for T4 FPGA, etc. |
| * F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs |
| * PP = adapter product designation |
| */ |
| #define CHELSIO_T4 0x4 |
| #define CHELSIO_T5 0x5 |
| |
| enum chip_type { |
| T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), |
| T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), |
| T4_FIRST_REV = T4_A1, |
| T4_LAST_REV = T4_A2, |
| |
| T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), |
| T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), |
| T5_FIRST_REV = T5_A0, |
| T5_LAST_REV = T5_A1, |
| }; |
| |
| /* |
| * The "len16" field of a Firmware Command Structure ... |
| */ |
| #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16) |
| |
| /* |
| * Per-VF statistics. |
| */ |
| struct t4vf_port_stats { |
| /* |
| * TX statistics. |
| */ |
| u64 tx_bcast_bytes; /* broadcast */ |
| u64 tx_bcast_frames; |
| u64 tx_mcast_bytes; /* multicast */ |
| u64 tx_mcast_frames; |
| u64 tx_ucast_bytes; /* unicast */ |
| u64 tx_ucast_frames; |
| u64 tx_drop_frames; /* TX dropped frames */ |
| u64 tx_offload_bytes; /* offload */ |
| u64 tx_offload_frames; |
| |
| /* |
| * RX statistics. |
| */ |
| u64 rx_bcast_bytes; /* broadcast */ |
| u64 rx_bcast_frames; |
| u64 rx_mcast_bytes; /* multicast */ |
| u64 rx_mcast_frames; |
| u64 rx_ucast_bytes; |
| u64 rx_ucast_frames; /* unicast */ |
| |
| u64 rx_err_frames; /* RX error frames */ |
| }; |
| |
| /* |
| * Per-"port" (Virtual Interface) link configuration ... |
| */ |
| struct link_config { |
| unsigned int supported; /* link capabilities */ |
| unsigned int advertising; /* advertised capabilities */ |
| unsigned short requested_speed; /* speed user has requested */ |
| unsigned short speed; /* actual link speed */ |
| unsigned char requested_fc; /* flow control user has requested */ |
| unsigned char fc; /* actual link flow control */ |
| unsigned char autoneg; /* autonegotiating? */ |
| unsigned char link_ok; /* link up? */ |
| }; |
| |
| enum { |
| PAUSE_RX = 1 << 0, |
| PAUSE_TX = 1 << 1, |
| PAUSE_AUTONEG = 1 << 2 |
| }; |
| |
| /* |
| * General device parameters ... |
| */ |
| struct dev_params { |
| u32 fwrev; /* firmware version */ |
| u32 tprev; /* TP Microcode Version */ |
| }; |
| |
| /* |
| * Scatter Gather Engine parameters. These are almost all determined by the |
| * Physical Function Driver. We just need to grab them to see within which |
| * environment we're playing ... |
| */ |
| struct sge_params { |
| u32 sge_control; /* padding, boundaries, lengths, etc. */ |
| u32 sge_control2; /* T5: more of the same */ |
| u32 sge_host_page_size; /* PF0-7 page sizes */ |
| u32 sge_egress_queues_per_page; /* PF0-7 egress queues/page */ |
| u32 sge_ingress_queues_per_page;/* PF0-7 ingress queues/page */ |
| u32 sge_vf_hps; /* host page size for our vf */ |
| u32 sge_vf_eq_qpp; /* egress queues/page for our VF */ |
| u32 sge_vf_iq_qpp; /* ingress queues/page for our VF */ |
| u32 sge_fl_buffer_size[16]; /* free list buffer sizes */ |
| u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */ |
| u32 sge_congestion_control; /* congestion thresholds, etc. */ |
| u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */ |
| u32 sge_timer_value_2_and_3; |
| u32 sge_timer_value_4_and_5; |
| }; |
| |
| /* |
| * Vital Product Data parameters. |
| */ |
| struct vpd_params { |
| u32 cclk; /* Core Clock (KHz) */ |
| }; |
| |
| /* |
| * Global Receive Side Scaling (RSS) parameters in host-native format. |
| */ |
| struct rss_params { |
| unsigned int mode; /* RSS mode */ |
| union { |
| struct { |
| unsigned int synmapen:1; /* SYN Map Enable */ |
| unsigned int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */ |
| unsigned int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */ |
| unsigned int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */ |
| unsigned int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */ |
| unsigned int ofdmapen:1; /* Offload Map Enable */ |
| unsigned int tnlmapen:1; /* Tunnel Map Enable */ |
| unsigned int tnlalllookup:1; /* Tunnel All Lookup */ |
| unsigned int hashtoeplitz:1; /* use Toeplitz hash */ |
| } basicvirtual; |
| } u; |
| }; |
| |
| /* |
| * Virtual Interface RSS Configuration in host-native format. |
| */ |
| union rss_vi_config { |
| struct { |
| u16 defaultq; /* Ingress Queue ID for !tnlalllookup */ |
| unsigned int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */ |
| unsigned int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */ |
| unsigned int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */ |
| unsigned int ip4twotupen:1; /* hash 2-tuple IPv4 ingress packets */ |
| int udpen; /* hash 4-tuple UDP ingress packets */ |
| } basicvirtual; |
| }; |
| |
| /* |
| * Maximum resources provisioned for a PCI VF. |
| */ |
| struct vf_resources { |
| unsigned int nvi; /* N virtual interfaces */ |
| unsigned int neq; /* N egress Qs */ |
| unsigned int nethctrl; /* N egress ETH or CTRL Qs */ |
| unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */ |
| unsigned int niq; /* N ingress Qs */ |
| unsigned int tc; /* PCI-E traffic class */ |
| unsigned int pmask; /* port access rights mask */ |
| unsigned int nexactf; /* N exact MPS filters */ |
| unsigned int r_caps; /* read capabilities */ |
| unsigned int wx_caps; /* write/execute capabilities */ |
| }; |
| |
| /* |
| * Per-"adapter" (Virtual Function) parameters. |
| */ |
| struct adapter_params { |
| struct dev_params dev; /* general device parameters */ |
| struct sge_params sge; /* Scatter Gather Engine */ |
| struct vpd_params vpd; /* Vital Product Data */ |
| struct rss_params rss; /* Receive Side Scaling */ |
| struct vf_resources vfres; /* Virtual Function Resource limits */ |
| enum chip_type chip; /* chip code */ |
| u8 nports; /* # of Ethernet "ports" */ |
| }; |
| |
| #include "adapter.h" |
| |
| #ifndef PCI_VENDOR_ID_CHELSIO |
| # define PCI_VENDOR_ID_CHELSIO 0x1425 |
| #endif |
| |
| #define for_each_port(adapter, iter) \ |
| for (iter = 0; iter < (adapter)->params.nports; iter++) |
| |
| static inline bool is_10g_port(const struct link_config *lc) |
| { |
| return (lc->supported & SUPPORTED_10000baseT_Full) != 0; |
| } |
| |
| static inline bool is_x_10g_port(const struct link_config *lc) |
| { |
| return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 || |
| (lc->supported & FW_PORT_CAP_SPEED_40G) != 0; |
| } |
| |
| static inline unsigned int core_ticks_per_usec(const struct adapter *adapter) |
| { |
| return adapter->params.vpd.cclk / 1000; |
| } |
| |
| static inline unsigned int us_to_core_ticks(const struct adapter *adapter, |
| unsigned int us) |
| { |
| return (us * adapter->params.vpd.cclk) / 1000; |
| } |
| |
| static inline unsigned int core_ticks_to_us(const struct adapter *adapter, |
| unsigned int ticks) |
| { |
| return (ticks * 1000) / adapter->params.vpd.cclk; |
| } |
| |
| int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool); |
| |
| static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd, |
| int size, void *rpl) |
| { |
| return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true); |
| } |
| |
| static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd, |
| int size, void *rpl) |
| { |
| return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false); |
| } |
| |
| #define CHELSIO_PCI_ID_VER(dev_id) ((dev_id) >> 12) |
| |
| static inline int is_t4(enum chip_type chip) |
| { |
| return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4; |
| } |
| |
| int t4vf_wait_dev_ready(struct adapter *); |
| int t4vf_port_init(struct adapter *, int); |
| |
| int t4vf_fw_reset(struct adapter *); |
| int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *); |
| |
| enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; |
| int t4_bar2_sge_qregs(struct adapter *adapter, |
| unsigned int qid, |
| enum t4_bar2_qtype qtype, |
| u64 *pbar2_qoffset, |
| unsigned int *pbar2_qid); |
| |
| int t4vf_get_sge_params(struct adapter *); |
| int t4vf_get_vpd_params(struct adapter *); |
| int t4vf_get_dev_params(struct adapter *); |
| int t4vf_get_rss_glb_config(struct adapter *); |
| int t4vf_get_vfres(struct adapter *); |
| |
| int t4vf_read_rss_vi_config(struct adapter *, unsigned int, |
| union rss_vi_config *); |
| int t4vf_write_rss_vi_config(struct adapter *, unsigned int, |
| union rss_vi_config *); |
| int t4vf_config_rss_range(struct adapter *, unsigned int, int, int, |
| const u16 *, int); |
| |
| int t4vf_alloc_vi(struct adapter *, int); |
| int t4vf_free_vi(struct adapter *, int); |
| int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool); |
| int t4vf_identify_port(struct adapter *, unsigned int, unsigned int); |
| |
| int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int, |
| bool); |
| int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int, |
| const u8 **, u16 *, u64 *, bool); |
| int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool); |
| int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool); |
| int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *); |
| |
| int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int, |
| unsigned int); |
| int t4vf_eth_eq_free(struct adapter *, unsigned int); |
| |
| int t4vf_handle_fw_rpl(struct adapter *, const __be64 *); |
| int t4vf_prep_adapter(struct adapter *); |
| |
| #endif /* __T4VF_COMMON_H__ */ |
