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authorAbhijeet Joglekar <abjoglek@cisco.com>2009-04-17 21:33:26 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-05-13 22:13:09 -0400
commit5df6d737dd4b0fe9eccf943abb3677cfea05a6c4 (patch)
treed3f6bf84dacb80c253743b45da4ecac2dcca4ec6 /drivers/scsi/fnic/vnic_dev.h
parent210af919c949a7d6bd330916ef376cec2907d81e (diff)
[SCSI] fnic: Add new Cisco PCI-Express FCoE HBA
fnic is a driver for the Cisco PCI-Express FCoE HBA Signed-off-by: Abhijeet Joglekar <abjoglek@cisco.com> Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/fnic/vnic_dev.h')
-rw-r--r--drivers/scsi/fnic/vnic_dev.h161
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/vnic_dev.h b/drivers/scsi/fnic/vnic_dev.h
new file mode 100644
index 000000000000..f9935a8a5a09
--- /dev/null
+++ b/drivers/scsi/fnic/vnic_dev.h
@@ -0,0 +1,161 @@
1/*
2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4 *
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16 * SOFTWARE.
17 */
18#ifndef _VNIC_DEV_H_
19#define _VNIC_DEV_H_
20
21#include "vnic_resource.h"
22#include "vnic_devcmd.h"
23
24/*
25 * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
26 * Driver) when both are built with CONFIG options =y
27 */
28#define vnic_dev_priv fnic_dev_priv
29#define vnic_dev_get_res_count fnic_dev_get_res_count
30#define vnic_dev_get_res fnic_dev_get_res
31#define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
32#define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
33#define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
34#define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
35#define vnic_dev_cmd fnic_dev_cmd
36#define vnic_dev_fw_info fnic_dev_fw_info
37#define vnic_dev_spec fnic_dev_spec
38#define vnic_dev_stats_clear fnic_dev_stats_clear
39#define vnic_dev_stats_dump fnic_dev_stats_dump
40#define vnic_dev_hang_notify fnic_dev_hang_notify
41#define vnic_dev_packet_filter fnic_dev_packet_filter
42#define vnic_dev_add_addr fnic_dev_add_addr
43#define vnic_dev_del_addr fnic_dev_del_addr
44#define vnic_dev_mac_addr fnic_dev_mac_addr
45#define vnic_dev_notify_set fnic_dev_notify_set
46#define vnic_dev_notify_unset fnic_dev_notify_unset
47#define vnic_dev_link_status fnic_dev_link_status
48#define vnic_dev_port_speed fnic_dev_port_speed
49#define vnic_dev_msg_lvl fnic_dev_msg_lvl
50#define vnic_dev_mtu fnic_dev_mtu
51#define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
52#define vnic_dev_close fnic_dev_close
53#define vnic_dev_enable fnic_dev_enable
54#define vnic_dev_disable fnic_dev_disable
55#define vnic_dev_open fnic_dev_open
56#define vnic_dev_open_done fnic_dev_open_done
57#define vnic_dev_init fnic_dev_init
58#define vnic_dev_soft_reset fnic_dev_soft_reset
59#define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
60#define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
61#define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
62#define vnic_dev_unregister fnic_dev_unregister
63#define vnic_dev_register fnic_dev_register
64
65#ifndef VNIC_PADDR_TARGET
66#define VNIC_PADDR_TARGET 0x0000000000000000ULL
67#endif
68
69#ifndef readq
70static inline u64 readq(void __iomem *reg)
71{
72 return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
73}
74
75static inline void writeq(u64 val, void __iomem *reg)
76{
77 writel(val & 0xffffffff, reg);
78 writel(val >> 32, reg + 0x4UL);
79}
80#endif
81
82enum vnic_dev_intr_mode {
83 VNIC_DEV_INTR_MODE_UNKNOWN,
84 VNIC_DEV_INTR_MODE_INTX,
85 VNIC_DEV_INTR_MODE_MSI,
86 VNIC_DEV_INTR_MODE_MSIX,
87};
88
89struct vnic_dev_bar {
90 void __iomem *vaddr;
91 dma_addr_t bus_addr;
92 unsigned long len;
93};
94
95struct vnic_dev_ring {
96 void *descs;
97 size_t size;
98 dma_addr_t base_addr;
99 size_t base_align;
100 void *descs_unaligned;
101 size_t size_unaligned;
102 dma_addr_t base_addr_unaligned;
103 unsigned int desc_size;
104 unsigned int desc_count;
105 unsigned int desc_avail;
106};
107
108struct vnic_dev;
109struct vnic_stats;
110
111void *vnic_dev_priv(struct vnic_dev *vdev);
112unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
113 enum vnic_res_type type);
114void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
115 unsigned int index);
116unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
117 unsigned int desc_count,
118 unsigned int desc_size);
119void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
120int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
121 unsigned int desc_count, unsigned int desc_size);
122void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
123 struct vnic_dev_ring *ring);
124int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
125 u64 *a0, u64 *a1, int wait);
126int vnic_dev_fw_info(struct vnic_dev *vdev,
127 struct vnic_devcmd_fw_info **fw_info);
128int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
129 unsigned int size, void *value);
130int vnic_dev_stats_clear(struct vnic_dev *vdev);
131int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
132int vnic_dev_hang_notify(struct vnic_dev *vdev);
133void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
134 int broadcast, int promisc, int allmulti);
135void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
136void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
137int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
138int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
139void vnic_dev_notify_unset(struct vnic_dev *vdev);
140int vnic_dev_link_status(struct vnic_dev *vdev);
141u32 vnic_dev_port_speed(struct vnic_dev *vdev);
142u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
143u32 vnic_dev_mtu(struct vnic_dev *vdev);
144u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
145int vnic_dev_close(struct vnic_dev *vdev);
146int vnic_dev_enable(struct vnic_dev *vdev);
147int vnic_dev_disable(struct vnic_dev *vdev);
148int vnic_dev_open(struct vnic_dev *vdev, int arg);
149int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
150int vnic_dev_init(struct vnic_dev *vdev, int arg);
151int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
152int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
153void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
154 enum vnic_dev_intr_mode intr_mode);
155enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
156void vnic_dev_unregister(struct vnic_dev *vdev);
157struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
158 void *priv, struct pci_dev *pdev,
159 struct vnic_dev_bar *bar);
160
161#endif /* _VNIC_DEV_H_ */