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authorCasey Leedom <leedom@chelsio.com>2010-06-25 08:12:54 -0400
committerDavid S. Miller <davem@davemloft.net>2010-06-29 02:59:35 -0400
commit16f8bd4be7541215fe9dd772ed8bccee9a864d9c (patch)
tree2b3fbf40b79967a9bd820571867feca4ed7a1237 /drivers/net/cxgb4vf/t4vf_common.h
parent7ee9ff94857dd27144521118173786a03d490efb (diff)
cxgb4vf: Add core T4 PCI-E SR-IOV Virtual Function hardware definitions and device communication code
Add core T4 PCI-E SR-IOV Virtual Function hardware definitions and device communication code. Signed-off-by: Casey Leedom Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb4vf/t4vf_common.h')
-rw-r--r--drivers/net/cxgb4vf/t4vf_common.h273
1 files changed, 273 insertions, 0 deletions
diff --git a/drivers/net/cxgb4vf/t4vf_common.h b/drivers/net/cxgb4vf/t4vf_common.h
new file mode 100644
index 000000000000..5c7bde7f9bae
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@@ -0,0 +1,273 @@
1/*
2 * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
3 * driver for Linux.
4 *
5 * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
6 *
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:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
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.
25 *
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
33 * SOFTWARE.
34 */
35
36#ifndef __T4VF_COMMON_H__
37#define __T4VF_COMMON_H__
38
39#include "../cxgb4/t4fw_api.h"
40
41/*
42 * The "len16" field of a Firmware Command Structure ...
43 */
44#define FW_LEN16(fw_struct) FW_CMD_LEN16(sizeof(fw_struct) / 16)
45
46/*
47 * Per-VF statistics.
48 */
49struct t4vf_port_stats {
50 /*
51 * TX statistics.
52 */
53 u64 tx_bcast_bytes; /* broadcast */
54 u64 tx_bcast_frames;
55 u64 tx_mcast_bytes; /* multicast */
56 u64 tx_mcast_frames;
57 u64 tx_ucast_bytes; /* unicast */
58 u64 tx_ucast_frames;
59 u64 tx_drop_frames; /* TX dropped frames */
60 u64 tx_offload_bytes; /* offload */
61 u64 tx_offload_frames;
62
63 /*
64 * RX statistics.
65 */
66 u64 rx_bcast_bytes; /* broadcast */
67 u64 rx_bcast_frames;
68 u64 rx_mcast_bytes; /* multicast */
69 u64 rx_mcast_frames;
70 u64 rx_ucast_bytes;
71 u64 rx_ucast_frames; /* unicast */
72
73 u64 rx_err_frames; /* RX error frames */
74};
75
76/*
77 * Per-"port" (Virtual Interface) link configuration ...
78 */
79struct link_config {
80 unsigned int supported; /* link capabilities */
81 unsigned int advertising; /* advertised capabilities */
82 unsigned short requested_speed; /* speed user has requested */
83 unsigned short speed; /* actual link speed */
84 unsigned char requested_fc; /* flow control user has requested */
85 unsigned char fc; /* actual link flow control */
86 unsigned char autoneg; /* autonegotiating? */
87 unsigned char link_ok; /* link up? */
88};
89
90enum {
91 PAUSE_RX = 1 << 0,
92 PAUSE_TX = 1 << 1,
93 PAUSE_AUTONEG = 1 << 2
94};
95
96/*
97 * General device parameters ...
98 */
99struct dev_params {
100 u32 fwrev; /* firmware version */
101 u32 tprev; /* TP Microcode Version */
102};
103
104/*
105 * Scatter Gather Engine parameters. These are almost all determined by the
106 * Physical Function Driver. We just need to grab them to see within which
107 * environment we're playing ...
108 */
109struct sge_params {
110 u32 sge_control; /* padding, boundaries, lengths, etc. */
111 u32 sge_host_page_size; /* RDMA page sizes */
112 u32 sge_queues_per_page; /* RDMA queues/page */
113 u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */
114 u32 sge_fl_buffer_size[16]; /* free list buffer sizes */
115 u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */
116 u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */
117 u32 sge_timer_value_2_and_3;
118 u32 sge_timer_value_4_and_5;
119};
120
121/*
122 * Vital Product Data parameters.
123 */
124struct vpd_params {
125 u32 cclk; /* Core Clock (KHz) */
126};
127
128/*
129 * Global Receive Side Scaling (RSS) parameters in host-native format.
130 */
131struct rss_params {
132 unsigned int mode; /* RSS mode */
133 union {
134 struct {
135 int synmapen:1; /* SYN Map Enable */
136 int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */
137 int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */
138 int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */
139 int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */
140 int ofdmapen:1; /* Offload Map Enable */
141 int tnlmapen:1; /* Tunnel Map Enable */
142 int tnlalllookup:1; /* Tunnel All Lookup */
143 int hashtoeplitz:1; /* use Toeplitz hash */
144 } basicvirtual;
145 } u;
146};
147
148/*
149 * Virtual Interface RSS Configuration in host-native format.
150 */
151union rss_vi_config {
152 struct {
153 u16 defaultq; /* Ingress Queue ID for !tnlalllookup */
154 int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */
155 int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */
156 int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */
157 int ip4twotupen:1; /* hash 2-tuple IPv4 ingress packets */
158 int udpen; /* hash 4-tuple UDP ingress packets */
159 } basicvirtual;
160};
161
162/*
163 * Maximum resources provisioned for a PCI VF.
164 */
165struct vf_resources {
166 unsigned int nvi; /* N virtual interfaces */
167 unsigned int neq; /* N egress Qs */
168 unsigned int nethctrl; /* N egress ETH or CTRL Qs */
169 unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
170 unsigned int niq; /* N ingress Qs */
171 unsigned int tc; /* PCI-E traffic class */
172 unsigned int pmask; /* port access rights mask */
173 unsigned int nexactf; /* N exact MPS filters */
174 unsigned int r_caps; /* read capabilities */
175 unsigned int wx_caps; /* write/execute capabilities */
176};
177
178/*
179 * Per-"adapter" (Virtual Function) parameters.
180 */
181struct adapter_params {
182 struct dev_params dev; /* general device parameters */
183 struct sge_params sge; /* Scatter Gather Engine */
184 struct vpd_params vpd; /* Vital Product Data */
185 struct rss_params rss; /* Receive Side Scaling */
186 struct vf_resources vfres; /* Virtual Function Resource limits */
187 u8 nports; /* # of Ethernet "ports" */
188};
189
190#include "adapter.h"
191
192#ifndef PCI_VENDOR_ID_CHELSIO
193# define PCI_VENDOR_ID_CHELSIO 0x1425
194#endif
195
196#define for_each_port(adapter, iter) \
197 for (iter = 0; iter < (adapter)->params.nports; iter++)
198
199static inline bool is_10g_port(const struct link_config *lc)
200{
201 return (lc->supported & SUPPORTED_10000baseT_Full) != 0;
202}
203
204static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
205{
206 return adapter->params.vpd.cclk / 1000;
207}
208
209static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
210 unsigned int us)
211{
212 return (us * adapter->params.vpd.cclk) / 1000;
213}
214
215static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
216 unsigned int ticks)
217{
218 return (ticks * 1000) / adapter->params.vpd.cclk;
219}
220
221int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool);
222
223static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd,
224 int size, void *rpl)
225{
226 return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
227}
228
229static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
230 int size, void *rpl)
231{
232 return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
233}
234
235int __devinit t4vf_wait_dev_ready(struct adapter *);
236int __devinit t4vf_port_init(struct adapter *, int);
237
238int t4vf_query_params(struct adapter *, unsigned int, const u32 *, u32 *);
239int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);
240
241int t4vf_get_sge_params(struct adapter *);
242int t4vf_get_vpd_params(struct adapter *);
243int t4vf_get_dev_params(struct adapter *);
244int t4vf_get_rss_glb_config(struct adapter *);
245int t4vf_get_vfres(struct adapter *);
246
247int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
248 union rss_vi_config *);
249int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
250 union rss_vi_config *);
251int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
252 const u16 *, int);
253
254int t4vf_alloc_vi(struct adapter *, int);
255int t4vf_free_vi(struct adapter *, int);
256int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool);
257int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);
258
259int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
260 bool);
261int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
262 const u8 **, u16 *, u64 *, bool);
263int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool);
264int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
265int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *);
266
267int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
268 unsigned int);
269int t4vf_eth_eq_free(struct adapter *, unsigned int);
270
271int t4vf_handle_fw_rpl(struct adapter *, const __be64 *);
272
273#endif /* __T4VF_COMMON_H__ */
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