mirror of https://gitee.com/openkylin/linux.git
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>
This commit is contained in:
Casey Leedom
David S. Miller
parent
7ee9ff9485
commit
16f8bd4be7
|
|
@ -0,0 +1,273 @@
|
|||
/*
|
||||
* 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"
|
||||
|
||||
/*
|
||||
* The "len16" field of a Firmware Command Structure ...
|
||||
*/
|
||||
#define FW_LEN16(fw_struct) FW_CMD_LEN16(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_host_page_size; /* RDMA page sizes */
|
||||
u32 sge_queues_per_page; /* RDMA queues/page */
|
||||
u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */
|
||||
u32 sge_fl_buffer_size[16]; /* free list buffer sizes */
|
||||
u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */
|
||||
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 {
|
||||
int synmapen:1; /* SYN Map Enable */
|
||||
int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */
|
||||
int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */
|
||||
int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */
|
||||
int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */
|
||||
int ofdmapen:1; /* Offload Map Enable */
|
||||
int tnlmapen:1; /* Tunnel Map Enable */
|
||||
int tnlalllookup:1; /* Tunnel All Lookup */
|
||||
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 */
|
||||
int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */
|
||||
int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */
|
||||
int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */
|
||||
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 */
|
||||
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 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);
|
||||
}
|
||||
|
||||
int __devinit t4vf_wait_dev_ready(struct adapter *);
|
||||
int __devinit t4vf_port_init(struct adapter *, int);
|
||||
|
||||
int t4vf_query_params(struct adapter *, unsigned int, const u32 *, u32 *);
|
||||
int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);
|
||||
|
||||
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 *);
|
||||
|
||||
#endif /* __T4VF_COMMON_H__ */
|
||||
|
|
@ -0,0 +1,121 @@
|
|||
/*
|
||||
* 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_DEFS_H__
|
||||
#define __T4VF_DEFS_H__
|
||||
|
||||
#include "../cxgb4/t4_regs.h"
|
||||
|
||||
/*
|
||||
* The VF Register Map.
|
||||
*
|
||||
* The Scatter Gather Engine (SGE), Multiport Support module (MPS), PIO Local
|
||||
* bus module (PL) and CPU Interface Module (CIM) components are mapped via
|
||||
* the Slice to Module Map Table (see below) in the Physical Function Register
|
||||
* Map. The Mail Box Data (MBDATA) range is mapped via the PCI-E Mailbox Base
|
||||
* and Offset registers in the PF Register Map. The MBDATA base address is
|
||||
* quite constrained as it determines the Mailbox Data addresses for both PFs
|
||||
* and VFs, and therefore must fit in both the VF and PF Register Maps without
|
||||
* overlapping other registers.
|
||||
*/
|
||||
#define T4VF_SGE_BASE_ADDR 0x0000
|
||||
#define T4VF_MPS_BASE_ADDR 0x0100
|
||||
#define T4VF_PL_BASE_ADDR 0x0200
|
||||
#define T4VF_MBDATA_BASE_ADDR 0x0240
|
||||
#define T4VF_CIM_BASE_ADDR 0x0300
|
||||
|
||||
#define T4VF_REGMAP_START 0x0000
|
||||
#define T4VF_REGMAP_SIZE 0x0400
|
||||
|
||||
/*
|
||||
* There's no hardware limitation which requires that the addresses of the
|
||||
* Mailbox Data in the fixed CIM PF map and the programmable VF map must
|
||||
* match. However, it's a useful convention ...
|
||||
*/
|
||||
#if T4VF_MBDATA_BASE_ADDR != CIM_PF_MAILBOX_DATA
|
||||
#error T4VF_MBDATA_BASE_ADDR must match CIM_PF_MAILBOX_DATA!
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Virtual Function "Slice to Module Map Table" definitions.
|
||||
*
|
||||
* This table allows us to map subsets of the various module register sets
|
||||
* into the T4VF Register Map. Each table entry identifies the index of the
|
||||
* module whose registers are being mapped, the offset within the module's
|
||||
* register set that the mapping should start at, the limit of the mapping,
|
||||
* and the offset within the T4VF Register Map to which the module's registers
|
||||
* are being mapped. All addresses and qualtities are in terms of 32-bit
|
||||
* words. The "limit" value is also in terms of 32-bit words and is equal to
|
||||
* the last address mapped in the T4VF Register Map 1 (i.e. it's a "<="
|
||||
* relation rather than a "<").
|
||||
*/
|
||||
#define T4VF_MOD_MAP(module, index, first, last) \
|
||||
T4VF_MOD_MAP_##module##_INDEX = (index), \
|
||||
T4VF_MOD_MAP_##module##_FIRST = (first), \
|
||||
T4VF_MOD_MAP_##module##_LAST = (last), \
|
||||
T4VF_MOD_MAP_##module##_OFFSET = ((first)/4), \
|
||||
T4VF_MOD_MAP_##module##_BASE = \
|
||||
(T4VF_##module##_BASE_ADDR/4 + (first)/4), \
|
||||
T4VF_MOD_MAP_##module##_LIMIT = \
|
||||
(T4VF_##module##_BASE_ADDR/4 + (last)/4),
|
||||
|
||||
#define SGE_VF_KDOORBELL 0x0
|
||||
#define SGE_VF_GTS 0x4
|
||||
#define MPS_VF_CTL 0x0
|
||||
#define MPS_VF_STAT_RX_VF_ERR_FRAMES_H 0xfc
|
||||
#define PL_VF_WHOAMI 0x0
|
||||
#define CIM_VF_EXT_MAILBOX_CTRL 0x0
|
||||
#define CIM_VF_EXT_MAILBOX_STATUS 0x4
|
||||
|
||||
enum {
|
||||
T4VF_MOD_MAP(SGE, 2, SGE_VF_KDOORBELL, SGE_VF_GTS)
|
||||
T4VF_MOD_MAP(MPS, 0, MPS_VF_CTL, MPS_VF_STAT_RX_VF_ERR_FRAMES_H)
|
||||
T4VF_MOD_MAP(PL, 3, PL_VF_WHOAMI, PL_VF_WHOAMI)
|
||||
T4VF_MOD_MAP(CIM, 1, CIM_VF_EXT_MAILBOX_CTRL, CIM_VF_EXT_MAILBOX_STATUS)
|
||||
};
|
||||
|
||||
/*
|
||||
* There isn't a Slice to Module Map Table entry for the Mailbox Data
|
||||
* registers, but it's convenient to use similar names as above. There are 8
|
||||
* little-endian 64-bit Mailbox Data registers. Note that the "instances"
|
||||
* value below is in terms of 32-bit words which matches the "word" addressing
|
||||
* space we use above for the Slice to Module Map Space.
|
||||
*/
|
||||
#define NUM_CIM_VF_MAILBOX_DATA_INSTANCES 16
|
||||
|
||||
#define T4VF_MBDATA_FIRST 0
|
||||
#define T4VF_MBDATA_LAST ((NUM_CIM_VF_MAILBOX_DATA_INSTANCES-1)*4)
|
||||
|
||||
#endif /* __T4T4VF_DEFS_H__ */
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue