[SCSI] qla4xxx: possible cleanups
[safe/jmp/linux-2.6] / drivers / scsi / qla4xxx / ql4_dbg.c
1 /*
2  * QLogic iSCSI HBA Driver
3  * Copyright (c)  2003-2006 QLogic Corporation
4  *
5  * See LICENSE.qla4xxx for copyright and licensing details.
6  */
7
8 #include "ql4_def.h"
9 #include <scsi/scsi_dbg.h>
10
11 #if 0
12
13 static void qla4xxx_print_srb_info(struct srb * srb)
14 {
15         printk("%s: srb = 0x%p, flags=0x%02x\n", __func__, srb, srb->flags);
16         printk("%s: cmd = 0x%p, saved_dma_handle = 0x%lx\n",
17                __func__, srb->cmd, (unsigned long) srb->dma_handle);
18         printk("%s: fw_ddb_index = %d, lun = %d\n",
19                __func__, srb->fw_ddb_index, srb->cmd->device->lun);
20         printk("%s: iocb_tov = %d\n",
21                __func__, srb->iocb_tov);
22         printk("%s: cc_stat = 0x%x, r_start = 0x%lx, u_start = 0x%lx\n\n",
23                __func__, srb->cc_stat, srb->r_start, srb->u_start);
24 }
25
26 void qla4xxx_print_scsi_cmd(struct scsi_cmnd *cmd)
27 {
28         printk("SCSI Command = 0x%p, Handle=0x%p\n", cmd, cmd->host_scribble);
29         printk("  b=%d, t=%02xh, l=%02xh, cmd_len = %02xh\n",
30                cmd->device->channel, cmd->device->id, cmd->device->lun,
31                cmd->cmd_len);
32         scsi_print_command(cmd);
33         printk("  seg_cnt = %d\n", cmd->use_sg);
34         printk("  request buffer = 0x%p, request buffer len = 0x%x\n",
35                cmd->request_buffer, cmd->request_bufflen);
36         if (cmd->use_sg) {
37                 struct scatterlist *sg;
38                 sg = (struct scatterlist *)cmd->request_buffer;
39                 printk("  SG buffer: \n");
40                 qla4xxx_dump_buffer((caddr_t) sg,
41                                     (cmd->use_sg * sizeof(*sg)));
42         }
43         printk("  tag = %d, transfersize = 0x%x \n", cmd->tag,
44                cmd->transfersize);
45         printk("  Pid = %d, SP = 0x%p\n", (int)cmd->pid, cmd->SCp.ptr);
46         printk("  underflow size = 0x%x, direction=0x%x\n", cmd->underflow,
47                cmd->sc_data_direction);
48         printk("  Current time (jiffies) = 0x%lx, "
49                "timeout expires = 0x%lx\n", jiffies, cmd->eh_timeout.expires);
50         qla4xxx_print_srb_info((struct srb *) cmd->SCp.ptr);
51 }
52
53 void __dump_registers(struct scsi_qla_host *ha)
54 {
55         uint8_t i;
56         for (i = 0; i < MBOX_REG_COUNT; i++) {
57                 printk(KERN_INFO "0x%02X mailbox[%d]      = 0x%08X\n",
58                        (uint8_t) offsetof(struct isp_reg, mailbox[i]), i,
59                        readw(&ha->reg->mailbox[i]));
60         }
61         printk(KERN_INFO "0x%02X flash_address   = 0x%08X\n",
62                (uint8_t) offsetof(struct isp_reg, flash_address),
63                readw(&ha->reg->flash_address));
64         printk(KERN_INFO "0x%02X flash_data      = 0x%08X\n",
65                (uint8_t) offsetof(struct isp_reg, flash_data),
66                readw(&ha->reg->flash_data));
67         printk(KERN_INFO "0x%02X ctrl_status     = 0x%08X\n",
68                (uint8_t) offsetof(struct isp_reg, ctrl_status),
69                readw(&ha->reg->ctrl_status));
70         if (is_qla4010(ha)) {
71                 printk(KERN_INFO "0x%02X nvram           = 0x%08X\n",
72                        (uint8_t) offsetof(struct isp_reg, u1.isp4010.nvram),
73                        readw(&ha->reg->u1.isp4010.nvram));
74         }
75
76         else if (is_qla4022(ha) | is_qla4032(ha)) {
77                 printk(KERN_INFO "0x%02X intr_mask       = 0x%08X\n",
78                        (uint8_t) offsetof(struct isp_reg,
79                                           u1.isp4022.intr_mask),
80                        readw(&ha->reg->u1.isp4022.intr_mask));
81                 printk(KERN_INFO "0x%02X nvram           = 0x%08X\n",
82                        (uint8_t) offsetof(struct isp_reg, u1.isp4022.nvram),
83                        readw(&ha->reg->u1.isp4022.nvram));
84                 printk(KERN_INFO "0x%02X semaphore       = 0x%08X\n",
85                        (uint8_t) offsetof(struct isp_reg,
86                                           u1.isp4022.semaphore),
87                        readw(&ha->reg->u1.isp4022.semaphore));
88         }
89         printk(KERN_INFO "0x%02X req_q_in        = 0x%08X\n",
90                (uint8_t) offsetof(struct isp_reg, req_q_in),
91                readw(&ha->reg->req_q_in));
92         printk(KERN_INFO "0x%02X rsp_q_out       = 0x%08X\n",
93                (uint8_t) offsetof(struct isp_reg, rsp_q_out),
94                readw(&ha->reg->rsp_q_out));
95         if (is_qla4010(ha)) {
96                 printk(KERN_INFO "0x%02X ext_hw_conf     = 0x%08X\n",
97                        (uint8_t) offsetof(struct isp_reg,
98                                           u2.isp4010.ext_hw_conf),
99                        readw(&ha->reg->u2.isp4010.ext_hw_conf));
100                 printk(KERN_INFO "0x%02X port_ctrl       = 0x%08X\n",
101                        (uint8_t) offsetof(struct isp_reg,
102                                           u2.isp4010.port_ctrl),
103                        readw(&ha->reg->u2.isp4010.port_ctrl));
104                 printk(KERN_INFO "0x%02X port_status     = 0x%08X\n",
105                        (uint8_t) offsetof(struct isp_reg,
106                                           u2.isp4010.port_status),
107                        readw(&ha->reg->u2.isp4010.port_status));
108                 printk(KERN_INFO "0x%02X req_q_out       = 0x%08X\n",
109                        (uint8_t) offsetof(struct isp_reg,
110                                           u2.isp4010.req_q_out),
111                        readw(&ha->reg->u2.isp4010.req_q_out));
112                 printk(KERN_INFO "0x%02X gp_out          = 0x%08X\n",
113                        (uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_out),
114                        readw(&ha->reg->u2.isp4010.gp_out));
115                 printk(KERN_INFO "0x%02X gp_in           = 0x%08X\n",
116                        (uint8_t) offsetof(struct isp_reg, u2.isp4010.gp_in),
117                        readw(&ha->reg->u2.isp4010.gp_in));
118                 printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n",
119                        (uint8_t) offsetof(struct isp_reg,
120                                           u2.isp4010.port_err_status),
121                        readw(&ha->reg->u2.isp4010.port_err_status));
122         }
123
124         else if (is_qla4022(ha) | is_qla4032(ha)) {
125                 printk(KERN_INFO "Page 0 Registers:\n");
126                 printk(KERN_INFO "0x%02X ext_hw_conf     = 0x%08X\n",
127                        (uint8_t) offsetof(struct isp_reg,
128                                           u2.isp4022.p0.ext_hw_conf),
129                        readw(&ha->reg->u2.isp4022.p0.ext_hw_conf));
130                 printk(KERN_INFO "0x%02X port_ctrl       = 0x%08X\n",
131                        (uint8_t) offsetof(struct isp_reg,
132                                           u2.isp4022.p0.port_ctrl),
133                        readw(&ha->reg->u2.isp4022.p0.port_ctrl));
134                 printk(KERN_INFO "0x%02X port_status     = 0x%08X\n",
135                        (uint8_t) offsetof(struct isp_reg,
136                                           u2.isp4022.p0.port_status),
137                        readw(&ha->reg->u2.isp4022.p0.port_status));
138                 printk(KERN_INFO "0x%02X gp_out          = 0x%08X\n",
139                        (uint8_t) offsetof(struct isp_reg,
140                                           u2.isp4022.p0.gp_out),
141                        readw(&ha->reg->u2.isp4022.p0.gp_out));
142                 printk(KERN_INFO "0x%02X gp_in           = 0x%08X\n",
143                        (uint8_t) offsetof(struct isp_reg, u2.isp4022.p0.gp_in),
144                        readw(&ha->reg->u2.isp4022.p0.gp_in));
145                 printk(KERN_INFO "0x%02X port_err_status = 0x%08X\n",
146                        (uint8_t) offsetof(struct isp_reg,
147                                           u2.isp4022.p0.port_err_status),
148                        readw(&ha->reg->u2.isp4022.p0.port_err_status));
149                 printk(KERN_INFO "Page 1 Registers:\n");
150                 writel(HOST_MEM_CFG_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
151                        &ha->reg->ctrl_status);
152                 printk(KERN_INFO "0x%02X req_q_out       = 0x%08X\n",
153                        (uint8_t) offsetof(struct isp_reg,
154                                           u2.isp4022.p1.req_q_out),
155                        readw(&ha->reg->u2.isp4022.p1.req_q_out));
156                 writel(PORT_CTRL_STAT_PAGE & set_rmask(CSR_SCSI_PAGE_SELECT),
157                        &ha->reg->ctrl_status);
158         }
159 }
160
161 void qla4xxx_dump_mbox_registers(struct scsi_qla_host *ha)
162 {
163         unsigned long flags = 0;
164         int i = 0;
165         spin_lock_irqsave(&ha->hardware_lock, flags);
166         for (i = 1; i < MBOX_REG_COUNT; i++)
167                 printk(KERN_INFO "  Mailbox[%d] = %08x\n", i,
168                        readw(&ha->reg->mailbox[i]));
169         spin_unlock_irqrestore(&ha->hardware_lock, flags);
170 }
171
172 void qla4xxx_dump_registers(struct scsi_qla_host *ha)
173 {
174         unsigned long flags = 0;
175         spin_lock_irqsave(&ha->hardware_lock, flags);
176         __dump_registers(ha);
177         spin_unlock_irqrestore(&ha->hardware_lock, flags);
178 }
179
180 void qla4xxx_dump_buffer(void *b, uint32_t size)
181 {
182         uint32_t cnt;
183         uint8_t *c = b;
184
185         printk(" 0   1   2   3   4   5   6   7   8   9  Ah  Bh  Ch  Dh  Eh  "
186                "Fh\n");
187         printk("------------------------------------------------------------"
188                "--\n");
189         for (cnt = 0; cnt < size; cnt++, c++) {
190                 printk(KERN_DEBUG "%02x", *c);
191                 if (!(cnt % 16))
192                         printk(KERN_DEBUG "\n");
193
194                 else
195                         printk(KERN_DEBUG "  ");
196         }
197         if (cnt % 16)
198                 printk(KERN_DEBUG "\n");
199 }
200
201 #endif  /*  0  */