2 * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
5 * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #ifndef __T4VF_COMMON_H__
37 #define __T4VF_COMMON_H__
39 #include "../cxgb4/t4fw_api.h"
41 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
42 #define CHELSIO_CHIP_VERSION(code) ((code) >> 4)
43 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
45 #define CHELSIO_T4 0x4
46 #define CHELSIO_T5 0x5
49 T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 0),
50 T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
51 T4_A3 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
55 T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
61 * The "len16" field of a Firmware Command Structure ...
63 #define FW_LEN16(fw_struct) FW_CMD_LEN16(sizeof(fw_struct) / 16)
68 struct t4vf_port_stats {
72 u64 tx_bcast_bytes; /* broadcast */
74 u64 tx_mcast_bytes; /* multicast */
76 u64 tx_ucast_bytes; /* unicast */
78 u64 tx_drop_frames; /* TX dropped frames */
79 u64 tx_offload_bytes; /* offload */
80 u64 tx_offload_frames;
85 u64 rx_bcast_bytes; /* broadcast */
87 u64 rx_mcast_bytes; /* multicast */
90 u64 rx_ucast_frames; /* unicast */
92 u64 rx_err_frames; /* RX error frames */
96 * Per-"port" (Virtual Interface) link configuration ...
99 unsigned int supported; /* link capabilities */
100 unsigned int advertising; /* advertised capabilities */
101 unsigned short requested_speed; /* speed user has requested */
102 unsigned short speed; /* actual link speed */
103 unsigned char requested_fc; /* flow control user has requested */
104 unsigned char fc; /* actual link flow control */
105 unsigned char autoneg; /* autonegotiating? */
106 unsigned char link_ok; /* link up? */
112 PAUSE_AUTONEG = 1 << 2
116 * General device parameters ...
119 u32 fwrev; /* firmware version */
120 u32 tprev; /* TP Microcode Version */
124 * Scatter Gather Engine parameters. These are almost all determined by the
125 * Physical Function Driver. We just need to grab them to see within which
126 * environment we're playing ...
129 u32 sge_control; /* padding, boundaries, lengths, etc. */
130 u32 sge_host_page_size; /* RDMA page sizes */
131 u32 sge_queues_per_page; /* RDMA queues/page */
132 u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */
133 u32 sge_fl_buffer_size[16]; /* free list buffer sizes */
134 u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */
135 u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */
136 u32 sge_timer_value_2_and_3;
137 u32 sge_timer_value_4_and_5;
141 * Vital Product Data parameters.
144 u32 cclk; /* Core Clock (KHz) */
148 * Global Receive Side Scaling (RSS) parameters in host-native format.
151 unsigned int mode; /* RSS mode */
154 unsigned int synmapen:1; /* SYN Map Enable */
155 unsigned int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */
156 unsigned int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */
157 unsigned int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */
158 unsigned int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */
159 unsigned int ofdmapen:1; /* Offload Map Enable */
160 unsigned int tnlmapen:1; /* Tunnel Map Enable */
161 unsigned int tnlalllookup:1; /* Tunnel All Lookup */
162 unsigned int hashtoeplitz:1; /* use Toeplitz hash */
168 * Virtual Interface RSS Configuration in host-native format.
170 union rss_vi_config {
172 u16 defaultq; /* Ingress Queue ID for !tnlalllookup */
173 unsigned int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */
174 unsigned int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */
175 unsigned int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */
176 unsigned int ip4twotupen:1; /* hash 2-tuple IPv4 ingress packets */
177 int udpen; /* hash 4-tuple UDP ingress packets */
182 * Maximum resources provisioned for a PCI VF.
184 struct vf_resources {
185 unsigned int nvi; /* N virtual interfaces */
186 unsigned int neq; /* N egress Qs */
187 unsigned int nethctrl; /* N egress ETH or CTRL Qs */
188 unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
189 unsigned int niq; /* N ingress Qs */
190 unsigned int tc; /* PCI-E traffic class */
191 unsigned int pmask; /* port access rights mask */
192 unsigned int nexactf; /* N exact MPS filters */
193 unsigned int r_caps; /* read capabilities */
194 unsigned int wx_caps; /* write/execute capabilities */
198 * Per-"adapter" (Virtual Function) parameters.
200 struct adapter_params {
201 struct dev_params dev; /* general device parameters */
202 struct sge_params sge; /* Scatter Gather Engine */
203 struct vpd_params vpd; /* Vital Product Data */
204 struct rss_params rss; /* Receive Side Scaling */
205 struct vf_resources vfres; /* Virtual Function Resource limits */
206 u8 nports; /* # of Ethernet "ports" */
211 #ifndef PCI_VENDOR_ID_CHELSIO
212 # define PCI_VENDOR_ID_CHELSIO 0x1425
215 #define for_each_port(adapter, iter) \
216 for (iter = 0; iter < (adapter)->params.nports; iter++)
218 static inline bool is_10g_port(const struct link_config *lc)
220 return (lc->supported & SUPPORTED_10000baseT_Full) != 0;
223 static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
225 return adapter->params.vpd.cclk / 1000;
228 static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
231 return (us * adapter->params.vpd.cclk) / 1000;
234 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
237 return (ticks * 1000) / adapter->params.vpd.cclk;
240 int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool);
242 static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd,
245 return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
248 static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
251 return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
254 static inline int is_t4(enum chip_type chip)
256 return (chip >= T4_FIRST_REV && chip <= T4_LAST_REV);
259 int t4vf_wait_dev_ready(struct adapter *);
260 int t4vf_port_init(struct adapter *, int);
262 int t4vf_fw_reset(struct adapter *);
263 int t4vf_query_params(struct adapter *, unsigned int, const u32 *, u32 *);
264 int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);
266 int t4vf_get_sge_params(struct adapter *);
267 int t4vf_get_vpd_params(struct adapter *);
268 int t4vf_get_dev_params(struct adapter *);
269 int t4vf_get_rss_glb_config(struct adapter *);
270 int t4vf_get_vfres(struct adapter *);
272 int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
273 union rss_vi_config *);
274 int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
275 union rss_vi_config *);
276 int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
279 int t4vf_alloc_vi(struct adapter *, int);
280 int t4vf_free_vi(struct adapter *, int);
281 int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool);
282 int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);
284 int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
286 int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
287 const u8 **, u16 *, u64 *, bool);
288 int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool);
289 int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
290 int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *);
292 int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
294 int t4vf_eth_eq_free(struct adapter *, unsigned int);
296 int t4vf_handle_fw_rpl(struct adapter *, const __be64 *);
298 #endif /* __T4VF_COMMON_H__ */