MODULE_PARM_DESC(ql2xloginretrycount,
"Specify an alternate value for the NVRAM login retry count.");
-/*
- * Proc structures and functions
- */
-struct info_str {
- char *buffer;
- int length;
- off_t offset;
- int pos;
-};
-
-static void copy_mem_info(struct info_str *, char *, int);
-static int copy_info(struct info_str *, char *, ...);
-
static void qla2x00_free_device(scsi_qla_host_t *);
static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
static int qla2x00_loop_reset(scsi_qla_host_t *ha);
static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
-static int qla2x00_proc_info(struct Scsi_Host *, char *, char **,
- off_t, int, int);
-
static struct scsi_host_template qla2x00_driver_template = {
.module = THIS_MODULE,
.name = "qla2xxx",
- .proc_name = "qla2xxx",
- .proc_info = qla2x00_proc_info,
.queuecommand = qla2x00_queuecommand,
.eh_abort_handler = qla2xxx_eh_abort,
found++;
break;
}
-
}
if (!found)
return -ENXIO;
pci_disable_device(ha->pdev);
}
-
-/*
- * The following support functions are adopted to handle
- * the re-entrant qla2x00_proc_info correctly.
- */
-static void
-copy_mem_info(struct info_str *info, char *data, int len)
-{
- if (info->pos + len > info->offset + info->length)
- len = info->offset + info->length - info->pos;
-
- if (info->pos + len < info->offset) {
- info->pos += len;
- return;
- }
-
- if (info->pos < info->offset) {
- off_t partial;
-
- partial = info->offset - info->pos;
- data += partial;
- info->pos += partial;
- len -= partial;
- }
-
- if (len > 0) {
- memcpy(info->buffer, data, len);
- info->pos += len;
- info->buffer += len;
- }
-}
-
-static int
-copy_info(struct info_str *info, char *fmt, ...)
-{
- va_list args;
- char buf[256];
- int len;
-
- va_start(args, fmt);
- len = vsprintf(buf, fmt, args);
- va_end(args);
-
- copy_mem_info(info, buf, len);
-
- return (len);
-}
-
-/*************************************************************************
-* qla2x00_proc_info
-*
-* Description:
-* Return information to handle /proc support for the driver.
-*
-* inout : decides the direction of the dataflow and the meaning of the
-* variables
-* buffer: If inout==0 data is being written to it else read from it
-* (ptr to a page buffer)
-* *start: If inout==0 start of the valid data in the buffer
-* offset: If inout==0 starting offset from the beginning of all
-* possible data to return.
-* length: If inout==0 max number of bytes to be written into the buffer
-* else number of bytes in "buffer"
-* Returns:
-* < 0: error. errno value.
-* >= 0: sizeof data returned.
-*************************************************************************/
-int
-qla2x00_proc_info(struct Scsi_Host *shost, char *buffer,
- char **start, off_t offset, int length, int inout)
-{
- struct info_str info;
- int retval = -EINVAL;
- uint32_t tmp_sn;
- uint32_t *flags;
- uint8_t *loop_state;
- scsi_qla_host_t *ha;
- char fw_info[30];
-
- DEBUG3(printk(KERN_INFO
- "Entering proc_info buff_in=%p, offset=0x%lx, length=0x%x\n",
- buffer, offset, length);)
-
- ha = (scsi_qla_host_t *) shost->hostdata;
-
- if (inout) {
- /* Has data been written to the file? */
- DEBUG3(printk(
- "%s: has data been written to the file. \n",
- __func__);)
-
- return -ENOSYS;
- }
-
- if (start) {
- *start = buffer;
- }
-
- info.buffer = buffer;
- info.length = length;
- info.offset = offset;
- info.pos = 0;
-
- /* start building the print buffer */
- copy_info(&info,
- "QLogic PCI to Fibre Channel Host Adapter for %s:\n"
- " Firmware version %s, ",
- ha->model_number, qla2x00_get_fw_version_str(ha, fw_info));
-
- copy_info(&info, "Driver version %s\n", qla2x00_version_str);
-
- tmp_sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) |
- ha->serial1;
- copy_info(&info, "ISP: %s, Serial# %c%05d\n",
- ha->brd_info->isp_name, ('A' + tmp_sn/100000), (tmp_sn%100000));
-
- copy_info(&info,
- "Request Queue = 0x%llx, Response Queue = 0x%llx\n",
- (unsigned long long)ha->request_dma,
- (unsigned long long)ha->response_dma);
-
- copy_info(&info,
- "Request Queue count = %d, Response Queue count = %d\n",
- ha->request_q_length, ha->response_q_length);
-
- copy_info(&info,
- "Total number of active commands = %ld\n",
- ha->actthreads);
-
- copy_info(&info,
- "Total number of interrupts = %ld\n",
- (long)ha->total_isr_cnt);
-
- copy_info(&info,
- " Device queue depth = 0x%x\n",
- (ql2xmaxqdepth == 0) ? 16 : ql2xmaxqdepth);
-
- copy_info(&info,
- "Number of free request entries = %d\n", ha->req_q_cnt);
-
- copy_info(&info,
- "Number of mailbox timeouts = %ld\n", ha->total_mbx_timeout);
-
- copy_info(&info,
- "Number of ISP aborts = %ld\n", ha->total_isp_aborts);
-
- copy_info(&info,
- "Number of loop resyncs = %ld\n", ha->total_loop_resync);
-
- copy_info(&info,
- "Number of retries for empty slots = %ld\n",
- qla2x00_stats.outarray_full);
-
- flags = (uint32_t *) &ha->flags;
-
- if (atomic_read(&ha->loop_state) == LOOP_DOWN) {
- loop_state = "DOWN";
- } else if (atomic_read(&ha->loop_state) == LOOP_UP) {
- loop_state = "UP";
- } else if (atomic_read(&ha->loop_state) == LOOP_READY) {
- loop_state = "READY";
- } else if (atomic_read(&ha->loop_state) == LOOP_TIMEOUT) {
- loop_state = "TIMEOUT";
- } else if (atomic_read(&ha->loop_state) == LOOP_UPDATE) {
- loop_state = "UPDATE";
- } else {
- loop_state = "UNKNOWN";
- }
-
- copy_info(&info,
- "Host adapter:loop state = <%s>, flags = 0x%lx\n",
- loop_state , *flags);
-
- copy_info(&info, "Dpc flags = 0x%lx\n", ha->dpc_flags);
-
- copy_info(&info, "MBX flags = 0x%x\n", ha->mbx_flags);
-
- copy_info(&info, "Link down Timeout = %3.3d\n",
- ha->link_down_timeout);
-
- copy_info(&info, "Port down retry = %3.3d\n",
- ha->port_down_retry_count);
-
- copy_info(&info, "Login retry count = %3.3d\n",
- ha->login_retry_count);
-
- copy_info(&info,
- "Commands retried with dropped frame(s) = %d\n",
- ha->dropped_frame_error_cnt);
-
- copy_info(&info,
- "Product ID = %04x %04x %04x %04x\n", ha->product_id[0],
- ha->product_id[1], ha->product_id[2], ha->product_id[3]);
-
- copy_info(&info, "\n");
-
- /* 2.25 node/port display to proc */
- /* Display the node name for adapter */
- copy_info(&info, "\nSCSI Device Information:\n");
- copy_info(&info,
- "scsi-qla%d-adapter-node="
- "%02x%02x%02x%02x%02x%02x%02x%02x;\n",
- (int)ha->instance,
- ha->init_cb->node_name[0],
- ha->init_cb->node_name[1],
- ha->init_cb->node_name[2],
- ha->init_cb->node_name[3],
- ha->init_cb->node_name[4],
- ha->init_cb->node_name[5],
- ha->init_cb->node_name[6],
- ha->init_cb->node_name[7]);
-
- /* display the port name for adapter */
- copy_info(&info,
- "scsi-qla%d-adapter-port="
- "%02x%02x%02x%02x%02x%02x%02x%02x;\n",
- (int)ha->instance,
- ha->init_cb->port_name[0],
- ha->init_cb->port_name[1],
- ha->init_cb->port_name[2],
- ha->init_cb->port_name[3],
- ha->init_cb->port_name[4],
- ha->init_cb->port_name[5],
- ha->init_cb->port_name[6],
- ha->init_cb->port_name[7]);
-
- retval = info.pos > info.offset ? info.pos - info.offset : 0;
-
- DEBUG3(printk(KERN_INFO
- "Exiting proc_info: info.pos=%d, offset=0x%lx, "
- "length=0x%x\n", info.pos, offset, length);)
-
- return (retval);
-}
-
/*
* qla2x00_mark_device_lost Updates fcport state when device goes offline.
*
projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commitdiff