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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
18 | #ifndef __BFAD_IM_H__ | |
19 | #define __BFAD_IM_H__ | |
20 | ||
a36c61f9 | 21 | #include "bfa_fcs.h" |
7725ccfd JH |
22 | |
23 | #define FCPI_NAME " fcpim" | |
24 | ||
a36c61f9 KG |
25 | #ifndef KOBJ_NAME_LEN |
26 | #define KOBJ_NAME_LEN 20 | |
27 | #endif | |
28 | ||
7725ccfd JH |
29 | bfa_status_t bfad_im_module_init(void); |
30 | void bfad_im_module_exit(void); | |
31 | bfa_status_t bfad_im_probe(struct bfad_s *bfad); | |
32 | void bfad_im_probe_undo(struct bfad_s *bfad); | |
7725ccfd JH |
33 | bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); |
34 | void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); | |
7725ccfd JH |
35 | void bfad_im_port_clean(struct bfad_im_port_s *im_port); |
36 | int bfad_im_scsi_host_alloc(struct bfad_s *bfad, | |
b504293f | 37 | struct bfad_im_port_s *im_port, struct device *dev); |
7725ccfd JH |
38 | void bfad_im_scsi_host_free(struct bfad_s *bfad, |
39 | struct bfad_im_port_s *im_port); | |
40 | ||
41 | #define MAX_FCP_TARGET 1024 | |
42 | #define MAX_FCP_LUN 16384 | |
43 | #define BFAD_TARGET_RESET_TMO 60 | |
44 | #define BFAD_LUN_RESET_TMO 60 | |
45 | #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) | |
46 | #define BFA_QUEUE_FULL_RAMP_UP_TIME 120 | |
7725ccfd JH |
47 | |
48 | /* | |
49 | * itnim flags | |
50 | */ | |
7725ccfd JH |
51 | #define IO_DONE_BIT 0 |
52 | ||
53 | struct bfad_itnim_data_s { | |
54 | struct bfad_itnim_s *itnim; | |
55 | }; | |
56 | ||
57 | struct bfad_im_port_s { | |
58 | struct bfad_s *bfad; | |
59 | struct bfad_port_s *port; | |
60 | struct work_struct port_delete_work; | |
61 | int idr_id; | |
62 | u16 cur_scsi_id; | |
a36c61f9 | 63 | u16 flags; |
7725ccfd JH |
64 | struct list_head binding_list; |
65 | struct Scsi_Host *shost; | |
66 | struct list_head itnim_mapped_list; | |
b504293f | 67 | struct fc_vport *fc_vport; |
7725ccfd JH |
68 | }; |
69 | ||
70 | enum bfad_itnim_state { | |
71 | ITNIM_STATE_NONE, | |
72 | ITNIM_STATE_ONLINE, | |
73 | ITNIM_STATE_OFFLINE_PENDING, | |
74 | ITNIM_STATE_OFFLINE, | |
75 | ITNIM_STATE_TIMEOUT, | |
76 | ITNIM_STATE_FREE, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * Per itnim data structure | |
81 | */ | |
82 | struct bfad_itnim_s { | |
83 | struct list_head list_entry; | |
84 | struct bfa_fcs_itnim_s fcs_itnim; | |
85 | struct work_struct itnim_work; | |
86 | u32 flags; | |
87 | enum bfad_itnim_state state; | |
88 | struct bfad_im_s *im; | |
89 | struct bfad_im_port_s *im_port; | |
90 | struct bfad_rport_s *drv_rport; | |
91 | struct fc_rport *fc_rport; | |
92 | struct bfa_itnim_s *bfa_itnim; | |
93 | u16 scsi_tgt_id; | |
94 | u16 queue_work; | |
95 | unsigned long last_ramp_up_time; | |
96 | unsigned long last_queue_full_time; | |
97 | }; | |
98 | ||
99 | enum bfad_binding_type { | |
100 | FCP_PWWN_BINDING = 0x1, | |
101 | FCP_NWWN_BINDING = 0x2, | |
102 | FCP_FCID_BINDING = 0x3, | |
103 | }; | |
104 | ||
105 | struct bfad_fcp_binding { | |
106 | struct list_head list_entry; | |
107 | enum bfad_binding_type binding_type; | |
108 | u16 scsi_target_id; | |
109 | u32 fc_id; | |
110 | wwn_t nwwn; | |
111 | wwn_t pwwn; | |
112 | }; | |
113 | ||
114 | struct bfad_im_s { | |
115 | struct bfad_s *bfad; | |
116 | struct workqueue_struct *drv_workq; | |
a36c61f9 | 117 | char drv_workq_name[KOBJ_NAME_LEN]; |
7725ccfd JH |
118 | }; |
119 | ||
120 | struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, | |
121 | struct bfad_s *); | |
122 | bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); | |
123 | void bfad_os_destroy_workq(struct bfad_im_s *im); | |
7725ccfd | 124 | void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); |
7725ccfd JH |
125 | void bfad_os_scsi_host_free(struct bfad_s *bfad, |
126 | struct bfad_im_port_s *im_port); | |
127 | void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, | |
128 | struct scsi_device *sdev); | |
129 | void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); | |
130 | struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); | |
7725ccfd JH |
131 | |
132 | extern struct scsi_host_template bfad_im_scsi_host_template; | |
133 | extern struct scsi_host_template bfad_im_vport_template; | |
134 | extern struct fc_function_template bfad_im_fc_function_template; | |
b504293f | 135 | extern struct fc_function_template bfad_im_vport_fc_function_template; |
7725ccfd | 136 | extern struct scsi_transport_template *bfad_im_scsi_transport_template; |
b504293f | 137 | extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template; |
7725ccfd | 138 | |
a36c61f9 KG |
139 | extern struct device_attribute *bfad_im_host_attrs[]; |
140 | extern struct device_attribute *bfad_im_vport_attrs[]; | |
141 | ||
142 | irqreturn_t bfad_intx(int irq, void *dev_id); | |
143 | ||
144 | /* Firmware releated */ | |
145 | #define BFAD_FW_FILE_CT_FC "ctfw_fc.bin" | |
146 | #define BFAD_FW_FILE_CT_CNA "ctfw_cna.bin" | |
147 | #define BFAD_FW_FILE_CB_FC "cbfw_fc.bin" | |
148 | ||
149 | u32 *bfad_get_firmware_buf(struct pci_dev *pdev); | |
150 | u32 *bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, | |
151 | u32 *bfi_image_size, char *fw_name); | |
152 | ||
153 | static inline u32 * | |
154 | bfad_load_fwimg(struct pci_dev *pdev) | |
155 | { | |
156 | return bfad_get_firmware_buf(pdev); | |
157 | } | |
158 | ||
159 | static inline void | |
160 | bfad_free_fwimg(void) | |
161 | { | |
162 | if (bfi_image_ct_fc_size && bfi_image_ct_fc) | |
163 | vfree(bfi_image_ct_fc); | |
164 | if (bfi_image_ct_cna_size && bfi_image_ct_cna) | |
165 | vfree(bfi_image_ct_cna); | |
166 | if (bfi_image_cb_fc_size && bfi_image_cb_fc) | |
167 | vfree(bfi_image_cb_fc); | |
168 | } | |
7725ccfd | 169 | #endif |