^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright 2012 Cisco Systems, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * This program is free software; you may redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * it under the terms of the GNU General Public License as published by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * the Free Software Foundation; version 2 of the License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #ifndef __FNIC_TRACE_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define __FNIC_TRACE_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define FNIC_ENTRY_SIZE_BYTES 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define FC_TRC_SIZE_BYTES 256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define FC_TRC_HEADER_SIZE sizeof(struct fc_trace_hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Fisrt bit of FNIC_FC_RECV and FNIC_FC_SEND is used to represent the type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * of frame 1 => Eth frame, 0=> FC frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define FNIC_FC_RECV 0x52 /* Character R */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define FNIC_FC_SEND 0x54 /* Character T */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define FNIC_FC_LE 0x4C /* Character L */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) extern ssize_t simple_read_from_buffer(void __user *to,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) size_t count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) loff_t *ppos,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) const void *from,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) size_t available);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) extern unsigned int fnic_trace_max_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) extern int fnic_tracing_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) extern unsigned int trace_max_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) extern unsigned int fnic_fc_trace_max_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) extern int fnic_fc_tracing_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) extern int fnic_fc_trace_cleared;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) typedef struct fnic_trace_dbg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int wr_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int rd_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) unsigned long *page_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) } fnic_trace_dbg_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) typedef struct fnic_dbgfs {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int buffer_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) } fnic_dbgfs_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct fnic_trace_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) u32 low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) u32 high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u64 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) } timestamp, fnaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u32 host_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) u32 tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) u64 data[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) } __attribute__((__packed__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) typedef struct fnic_trace_data fnic_trace_data_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct fc_trace_hdr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct timespec64 time_stamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) u32 host_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) u8 frame_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) u8 frame_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) } __attribute__((__packed__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define FC_TRACE_ADDRESS(a) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) ((unsigned long)(a) + sizeof(struct fc_trace_hdr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define FNIC_TRACE_ENTRY_SIZE \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) (FNIC_ENTRY_SIZE_BYTES - sizeof(fnic_trace_data_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define FNIC_TRACE(_fn, _hn, _t, _a, _b, _c, _d, _e) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (unlikely(fnic_tracing_enabled)) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) fnic_trace_data_t *trace_buf = fnic_trace_get_buf(); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (trace_buf) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (sizeof(unsigned long) < 8) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) trace_buf->timestamp.low = jiffies; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) trace_buf->fnaddr.low = (u32)(unsigned long)_fn; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) } else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) trace_buf->timestamp.val = jiffies; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) trace_buf->fnaddr.val = (u64)(unsigned long)_fn; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) trace_buf->host_no = _hn; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) trace_buf->tag = _t; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) trace_buf->data[0] = (u64)(unsigned long)_a; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) trace_buf->data[1] = (u64)(unsigned long)_b; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) trace_buf->data[2] = (u64)(unsigned long)_c; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) trace_buf->data[3] = (u64)(unsigned long)_d; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) trace_buf->data[4] = (u64)(unsigned long)_e; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) fnic_trace_data_t *fnic_trace_get_buf(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) int fnic_get_trace_data(fnic_dbgfs_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int fnic_trace_buf_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) void fnic_trace_free(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int fnic_debugfs_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) void fnic_debugfs_terminate(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) void fnic_trace_debugfs_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) void fnic_trace_debugfs_terminate(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* Fnic FC CTLR Trace releated function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int fnic_fc_trace_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) void fnic_fc_trace_free(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int fnic_fc_trace_set_data(u32 host_no, u8 frame_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) char *frame, u32 fc_frame_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int fnic_fc_trace_get_data(fnic_dbgfs_t *fnic_dbgfs_prt, u8 rdata_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) void copy_and_format_trace_data(struct fc_trace_hdr *tdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) fnic_dbgfs_t *fnic_dbgfs_prt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int *len, u8 rdata_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) void fnic_fc_trace_debugfs_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) void fnic_fc_trace_debugfs_terminate(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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