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Message-ID: <20091218225307.10698.82409.stgit@localhost.localdomain>
Date: Fri, 18 Dec 2009 14:53:07 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: netdev@...r.kernel.org
Cc: gospo@...hat.com, Greg Rose <gregory.v.rose@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [RFC PATCH v2 08/12] ixgbe: Add SR-IOV register,
structure and bit defines
From: Greg Rose <gregory.v.rose@...el.com>
This patch adds register definitions, bit definitions and structures used by
the driver to support SR-IOV features of the 82599 controller.
Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe.h | 31 ++++++++++++++++++++++-
drivers/net/ixgbe/ixgbe_main.c | 2 +-
drivers/net/ixgbe/ixgbe_type.h | 53 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 83 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 8da8eb5..ed73585 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -98,6 +98,23 @@
#define IXGBE_MAX_RSC_INT_RATE 162760
+#define IXGBE_MAX_VF_MC_ENTRIES 30
+#define IXGBE_MAX_VF_FUNCTIONS 64
+#define IXGBE_MAX_VFTA_ENTRIES 128
+#define MAX_EMULATION_MAC_ADDRS 16
+#define VMDQ_P(p) ((p) + adapter->num_vfs)
+
+struct vf_data_storage {
+ unsigned char vf_mac_addresses[ETH_ALEN];
+ u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES];
+ u16 num_vf_mc_hashes;
+ u16 default_vf_vlan_id;
+ u16 vlans_enabled;
+ unsigned char em_mac_addresses[MAX_EMULATION_MAC_ADDRS * ETH_ALEN];
+ bool clear_to_send;
+ int rar;
+};
+
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer */
struct ixgbe_tx_buffer {
@@ -171,7 +188,7 @@ struct ixgbe_ring {
enum ixgbe_ring_f_enum {
RING_F_NONE = 0,
RING_F_DCB,
- RING_F_VMDQ,
+ RING_F_VMDQ, /* SR-IOV uses the same ring feature */
RING_F_RSS,
RING_F_FDIR,
#ifdef IXGBE_FCOE
@@ -183,7 +200,7 @@ enum ixgbe_ring_f_enum {
#define IXGBE_MAX_DCB_INDICES 8
#define IXGBE_MAX_RSS_INDICES 16
-#define IXGBE_MAX_VMDQ_INDICES 16
+#define IXGBE_MAX_VMDQ_INDICES 64
#define IXGBE_MAX_FDIR_INDICES 64
#ifdef IXGBE_FCOE
#define IXGBE_MAX_FCOE_INDICES 8
@@ -288,6 +305,8 @@ struct ixgbe_adapter {
/* RX */
struct ixgbe_ring *rx_ring ____cacheline_aligned_in_smp; /* One per active queue */
int num_rx_queues;
+ int num_rx_pools; /* == num_rx_queues in 82598 */
+ int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */
u64 hw_csum_rx_error;
u64 hw_rx_no_dma_resources;
u64 non_eop_descs;
@@ -330,6 +349,8 @@ struct ixgbe_adapter {
#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 27)
#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 28)
#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 29)
+#define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 30)
+#define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 31)
u32 flags2;
#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1)
@@ -379,6 +400,11 @@ struct ixgbe_adapter {
u64 rsc_total_flush;
u32 wol;
u16 eeprom_version;
+
+ /* SR-IOV */
+ DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
+ unsigned int num_vfs;
+ struct vf_data_storage *vfinfo;
};
enum ixbge_state_t {
@@ -440,6 +466,7 @@ extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input,
u16 flex_byte);
extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input,
u8 l4type);
+extern void ixgbe_set_rx_mode(struct net_device *netdev);
#ifdef IXGBE_FCOE
extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
extern int ixgbe_fso(struct ixgbe_adapter *adapter,
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index bd64387..22152c6 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2409,7 +2409,7 @@ static u8 *ixgbe_addr_list_itr(struct ixgbe_hw *hw, u8 **mc_addr_ptr, u32 *vmdq)
* responsible for configuring the hardware for proper unicast, multicast and
* promiscuous mode.
**/
-static void ixgbe_set_rx_mode(struct net_device *netdev)
+void ixgbe_set_rx_mode(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 84650c6..ec8ad18 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -277,6 +277,7 @@
#define IXGBE_DTXCTL 0x07E00
#define IXGBE_DMATXCTL 0x04A80
+#define IXGBE_PFDTXGSWC 0x08220
#define IXGBE_DTXMXSZRQ 0x08100
#define IXGBE_DTXTCPFLGL 0x04A88
#define IXGBE_DTXTCPFLGH 0x04A8C
@@ -287,6 +288,8 @@
#define IXGBE_DMATXCTL_NS 0x2 /* No Snoop LSO hdr buffer */
#define IXGBE_DMATXCTL_GDV 0x8 /* Global Double VLAN */
#define IXGBE_DMATXCTL_VT_SHIFT 16 /* VLAN EtherType */
+
+#define IXGBE_PFDTXGSWC_VT_LBEN 0x1 /* Local L2 VT switch enable */
#define IXGBE_DCA_TXCTRL(_i) (0x07200 + ((_i) * 4)) /* 16 of these (0-15) */
/* Tx DCA Control register : 128 of these (0-127) */
#define IXGBE_DCA_TXCTRL_82599(_i) (0x0600C + ((_i) * 0x40))
@@ -497,6 +500,7 @@
/* DCB registers */
#define IXGBE_RTRPCS 0x02430
#define IXGBE_RTTDCS 0x04900
+#define IXGBE_RTTDCS_ARBDIS 0x00000040 /* DCB arbiter disable */
#define IXGBE_RTTPCS 0x0CD00
#define IXGBE_RTRUP2TC 0x03020
#define IXGBE_RTTUP2TC 0x0C800
@@ -730,6 +734,13 @@
#define IXGBE_GCR_CMPL_TMOUT_RESEND 0x00010000
#define IXGBE_GCR_CAP_VER2 0x00040000
+#define IXGBE_GCR_EXT_MSIX_EN 0x80000000
+#define IXGBE_GCR_EXT_VT_MODE_16 0x00000001
+#define IXGBE_GCR_EXT_VT_MODE_32 0x00000002
+#define IXGBE_GCR_EXT_VT_MODE_64 0x00000003
+#define IXGBE_GCR_EXT_SRIOV (IXGBE_GCR_EXT_MSIX_EN | \
+ IXGBE_GCR_EXT_VT_MODE_64)
+
/* Time Sync Registers */
#define IXGBE_TSYNCRXCTL 0x05188 /* Rx Time Sync Control register - RW */
#define IXGBE_TSYNCTXCTL 0x08C00 /* Tx Time Sync Control register - RW */
@@ -1065,6 +1076,8 @@
/* VFRE bitmask */
#define IXGBE_VFRE_ENABLE_ALL 0xFFFFFFFF
+#define IXGBE_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */
+
/* RDHMPN and TDHMPN bitmasks */
#define IXGBE_RDHMPN_RDICADDR 0x007FF800
#define IXGBE_RDHMPN_RDICRDREQ 0x00800000
@@ -1295,6 +1308,7 @@
/* VLAN pool filtering masks */
#define IXGBE_VLVF_VIEN 0x80000000 /* filter is valid */
#define IXGBE_VLVF_ENTRIES 64
+#define IXGBE_VLVF_VLANID_MASK 0x00000FFF
#define IXGBE_ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.1q protocol */
@@ -1843,6 +1857,12 @@
#define IXGBE_RX_DESC_SPECIAL_PRI_SHIFT 0x000D /* Priority in upper 3 of 16 */
#define IXGBE_TX_DESC_SPECIAL_PRI_SHIFT IXGBE_RX_DESC_SPECIAL_PRI_SHIFT
+/* SR-IOV specific macros */
+#define IXGBE_MBVFICR_INDEX(vf_number) (vf_number >> 4)
+#define IXGBE_MBVFICR(_i) (0x00710 + (_i * 4))
+#define IXGBE_VFLRE(_i) (((_i & 1) ? 0x001C0 : 0x00600))
+#define IXGBE_VFLREC(_i) (0x00700 + (_i * 4))
+
/* Little Endian defines */
#ifndef __le32
#define __le32 u32
@@ -2463,6 +2483,37 @@ struct ixgbe_phy_info {
bool multispeed_fiber;
};
+#include "ixgbe_mbx.h"
+
+struct ixgbe_mbx_operations {
+ s32 (*init_params)(struct ixgbe_hw *hw);
+ s32 (*read)(struct ixgbe_hw *, u32 *, u16, u16);
+ s32 (*write)(struct ixgbe_hw *, u32 *, u16, u16);
+ s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16, u16);
+ s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16, u16);
+ s32 (*check_for_msg)(struct ixgbe_hw *, u16);
+ s32 (*check_for_ack)(struct ixgbe_hw *, u16);
+ s32 (*check_for_rst)(struct ixgbe_hw *, u16);
+};
+
+struct ixgbe_mbx_stats {
+ u32 msgs_tx;
+ u32 msgs_rx;
+
+ u32 acks;
+ u32 reqs;
+ u32 rsts;
+};
+
+struct ixgbe_mbx_info {
+ struct ixgbe_mbx_operations ops;
+ struct ixgbe_mbx_stats stats;
+ u32 timeout;
+ u32 usec_delay;
+ u32 v2p_mailbox;
+ u16 size;
+};
+
struct ixgbe_hw {
u8 __iomem *hw_addr;
void *back;
@@ -2472,6 +2523,7 @@ struct ixgbe_hw {
struct ixgbe_phy_info phy;
struct ixgbe_eeprom_info eeprom;
struct ixgbe_bus_info bus;
+ struct ixgbe_mbx_info mbx;
u16 device_id;
u16 vendor_id;
u16 subsystem_device_id;
@@ -2486,6 +2538,7 @@ struct ixgbe_info {
struct ixgbe_mac_operations *mac_ops;
struct ixgbe_eeprom_operations *eeprom_ops;
struct ixgbe_phy_operations *phy_ops;
+ struct ixgbe_mbx_operations *mbx_ops;
};
--
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