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a7975a2f9a
Add base to collect dump entities. Collect register dump and update template header accordingly. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright (C) 2017 Chelsio Communications. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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*/
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#include "cxgb4.h"
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#include "cudbg_if.h"
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#include "cudbg_lib_common.h"
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#include "cudbg_lib.h"
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static void cudbg_write_and_release_buff(struct cudbg_buffer *pin_buff,
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struct cudbg_buffer *dbg_buff)
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{
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cudbg_update_buff(pin_buff, dbg_buff);
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cudbg_put_buff(pin_buff, dbg_buff);
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}
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/* This function will add additional padding bytes into debug_buffer to make it
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* 4 byte aligned.
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*/
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void cudbg_align_debug_buffer(struct cudbg_buffer *dbg_buff,
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struct cudbg_entity_hdr *entity_hdr)
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{
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u8 zero_buf[4] = {0};
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u8 padding, remain;
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remain = (dbg_buff->offset - entity_hdr->start_offset) % 4;
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padding = 4 - remain;
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if (remain) {
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memcpy(((u8 *)dbg_buff->data) + dbg_buff->offset, &zero_buf,
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padding);
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dbg_buff->offset += padding;
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entity_hdr->num_pad = padding;
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}
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entity_hdr->size = dbg_buff->offset - entity_hdr->start_offset;
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}
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struct cudbg_entity_hdr *cudbg_get_entity_hdr(void *outbuf, int i)
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{
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struct cudbg_hdr *cudbg_hdr = (struct cudbg_hdr *)outbuf;
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return (struct cudbg_entity_hdr *)
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((char *)outbuf + cudbg_hdr->hdr_len +
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(sizeof(struct cudbg_entity_hdr) * (i - 1)));
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}
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int cudbg_collect_reg_dump(struct cudbg_init *pdbg_init,
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struct cudbg_buffer *dbg_buff,
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struct cudbg_error *cudbg_err)
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{
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struct adapter *padap = pdbg_init->adap;
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struct cudbg_buffer temp_buff = { 0 };
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u32 buf_size = 0;
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int rc = 0;
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if (is_t4(padap->params.chip))
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buf_size = T4_REGMAP_SIZE;
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else if (is_t5(padap->params.chip) || is_t6(padap->params.chip))
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buf_size = T5_REGMAP_SIZE;
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rc = cudbg_get_buff(dbg_buff, buf_size, &temp_buff);
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if (rc)
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return rc;
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t4_get_regs(padap, (void *)temp_buff.data, temp_buff.size);
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cudbg_write_and_release_buff(&temp_buff, dbg_buff);
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return rc;
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}
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