hw/net/imx_fec: Convert debug fprintf() to trace events

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Fixed 32-bit format string using PRIx32/PRIx64]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jean-Christophe Dubois 2020-06-16 10:32:29 +01:00 committed by Peter Maydell
parent 9e6f8d8aab
commit 8095508a9d
2 changed files with 63 additions and 61 deletions

View File

@ -31,34 +31,11 @@
#include "qemu/module.h"
#include "net/checksum.h"
#include "net/eth.h"
#include "trace.h"
/* For crc32 */
#include <zlib.h>
#ifndef DEBUG_IMX_FEC
#define DEBUG_IMX_FEC 0
#endif
#define FEC_PRINTF(fmt, args...) \
do { \
if (DEBUG_IMX_FEC) { \
fprintf(stderr, "[%s]%s: " fmt , TYPE_IMX_FEC, \
__func__, ##args); \
} \
} while (0)
#ifndef DEBUG_IMX_PHY
#define DEBUG_IMX_PHY 0
#endif
#define PHY_PRINTF(fmt, args...) \
do { \
if (DEBUG_IMX_PHY) { \
fprintf(stderr, "[%s.phy]%s: " fmt , TYPE_IMX_FEC, \
__func__, ##args); \
} \
} while (0)
#define IMX_MAX_DESC 1024
static const char *imx_default_reg_name(IMXFECState *s, uint32_t index)
@ -262,43 +239,45 @@ static void imx_eth_update(IMXFECState *s);
* For now we don't handle any GPIO/interrupt line, so the OS will
* have to poll for the PHY status.
*/
static void phy_update_irq(IMXFECState *s)
static void imx_phy_update_irq(IMXFECState *s)
{
imx_eth_update(s);
}
static void phy_update_link(IMXFECState *s)
static void imx_phy_update_link(IMXFECState *s)
{
/* Autonegotiation status mirrors link status. */
if (qemu_get_queue(s->nic)->link_down) {
PHY_PRINTF("link is down\n");
trace_imx_phy_update_link("down");
s->phy_status &= ~0x0024;
s->phy_int |= PHY_INT_DOWN;
} else {
PHY_PRINTF("link is up\n");
trace_imx_phy_update_link("up");
s->phy_status |= 0x0024;
s->phy_int |= PHY_INT_ENERGYON;
s->phy_int |= PHY_INT_AUTONEG_COMPLETE;
}
phy_update_irq(s);
imx_phy_update_irq(s);
}
static void imx_eth_set_link(NetClientState *nc)
{
phy_update_link(IMX_FEC(qemu_get_nic_opaque(nc)));
imx_phy_update_link(IMX_FEC(qemu_get_nic_opaque(nc)));
}
static void phy_reset(IMXFECState *s)
static void imx_phy_reset(IMXFECState *s)
{
trace_imx_phy_reset();
s->phy_status = 0x7809;
s->phy_control = 0x3000;
s->phy_advertise = 0x01e1;
s->phy_int_mask = 0;
s->phy_int = 0;
phy_update_link(s);
imx_phy_update_link(s);
}
static uint32_t do_phy_read(IMXFECState *s, int reg)
static uint32_t imx_phy_read(IMXFECState *s, int reg)
{
uint32_t val;
@ -332,7 +311,7 @@ static uint32_t do_phy_read(IMXFECState *s, int reg)
case 29: /* Interrupt source. */
val = s->phy_int;
s->phy_int = 0;
phy_update_irq(s);
imx_phy_update_irq(s);
break;
case 30: /* Interrupt mask */
val = s->phy_int_mask;
@ -352,14 +331,14 @@ static uint32_t do_phy_read(IMXFECState *s, int reg)
break;
}
PHY_PRINTF("read 0x%04x @ %d\n", val, reg);
trace_imx_phy_read(val, reg);
return val;
}
static void do_phy_write(IMXFECState *s, int reg, uint32_t val)
static void imx_phy_write(IMXFECState *s, int reg, uint32_t val)
{
PHY_PRINTF("write 0x%04x @ %d\n", val, reg);
trace_imx_phy_write(val, reg);
if (reg > 31) {
/* we only advertise one phy */
@ -369,7 +348,7 @@ static void do_phy_write(IMXFECState *s, int reg, uint32_t val)
switch (reg) {
case 0: /* Basic Control */
if (val & 0x8000) {
phy_reset(s);
imx_phy_reset(s);
} else {
s->phy_control = val & 0x7980;
/* Complete autonegotiation immediately. */
@ -383,7 +362,7 @@ static void do_phy_write(IMXFECState *s, int reg, uint32_t val)
break;
case 30: /* Interrupt mask */
s->phy_int_mask = val & 0xff;
phy_update_irq(s);
imx_phy_update_irq(s);
break;
case 17:
case 18:
@ -402,6 +381,8 @@ static void do_phy_write(IMXFECState *s, int reg, uint32_t val)
static void imx_fec_read_bd(IMXFECBufDesc *bd, dma_addr_t addr)
{
dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd));
trace_imx_fec_read_bd(addr, bd->flags, bd->length, bd->data);
}
static void imx_fec_write_bd(IMXFECBufDesc *bd, dma_addr_t addr)
@ -412,6 +393,9 @@ static void imx_fec_write_bd(IMXFECBufDesc *bd, dma_addr_t addr)
static void imx_enet_read_bd(IMXENETBufDesc *bd, dma_addr_t addr)
{
dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd));
trace_imx_enet_read_bd(addr, bd->flags, bd->length, bd->data,
bd->option, bd->status);
}
static void imx_enet_write_bd(IMXENETBufDesc *bd, dma_addr_t addr)
@ -471,11 +455,11 @@ static void imx_fec_do_tx(IMXFECState *s)
int len;
imx_fec_read_bd(&bd, addr);
FEC_PRINTF("tx_bd %x flags %04x len %d data %08x\n",
addr, bd.flags, bd.length, bd.data);
if ((bd.flags & ENET_BD_R) == 0) {
/* Run out of descriptors to transmit. */
FEC_PRINTF("tx_bd ran out of descriptors to transmit\n");
trace_imx_eth_tx_bd_busy();
break;
}
len = bd.length;
@ -552,11 +536,11 @@ static void imx_enet_do_tx(IMXFECState *s, uint32_t index)
int len;
imx_enet_read_bd(&bd, addr);
FEC_PRINTF("tx_bd %x flags %04x len %d data %08x option %04x "
"status %04x\n", addr, bd.flags, bd.length, bd.data,
bd.option, bd.status);
if ((bd.flags & ENET_BD_R) == 0) {
/* Run out of descriptors to transmit. */
trace_imx_eth_tx_bd_busy();
break;
}
len = bd.length;
@ -633,7 +617,7 @@ static void imx_eth_enable_rx(IMXFECState *s, bool flush)
s->regs[ENET_RDAR] = (bd.flags & ENET_BD_E) ? ENET_RDAR_RDAR : 0;
if (!s->regs[ENET_RDAR]) {
FEC_PRINTF("RX buffer full\n");
trace_imx_eth_rx_bd_full();
} else if (flush) {
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
@ -676,7 +660,7 @@ static void imx_eth_reset(DeviceState *d)
memset(s->tx_descriptor, 0, sizeof(s->tx_descriptor));
/* We also reset the PHY */
phy_reset(s);
imx_phy_reset(s);
}
static uint32_t imx_default_read(IMXFECState *s, uint32_t index)
@ -774,8 +758,7 @@ static uint64_t imx_eth_read(void *opaque, hwaddr offset, unsigned size)
break;
}
FEC_PRINTF("reg[%s] => 0x%" PRIx32 "\n", imx_eth_reg_name(s, index),
value);
trace_imx_eth_read(index, imx_eth_reg_name(s, index), value);
return value;
}
@ -884,8 +867,7 @@ static void imx_eth_write(void *opaque, hwaddr offset, uint64_t value,
const bool single_tx_ring = !imx_eth_is_multi_tx_ring(s);
uint32_t index = offset >> 2;
FEC_PRINTF("reg[%s] <= 0x%" PRIx32 "\n", imx_eth_reg_name(s, index),
(uint32_t)value);
trace_imx_eth_write(index, imx_eth_reg_name(s, index), value);
switch (index) {
case ENET_EIR:
@ -940,12 +922,12 @@ static void imx_eth_write(void *opaque, hwaddr offset, uint64_t value,
if (extract32(value, 29, 1)) {
/* This is a read operation */
s->regs[ENET_MMFR] = deposit32(s->regs[ENET_MMFR], 0, 16,
do_phy_read(s,
imx_phy_read(s,
extract32(value,
18, 10)));
} else {
/* This a write operation */
do_phy_write(s, extract32(value, 18, 10), extract32(value, 0, 16));
imx_phy_write(s, extract32(value, 18, 10), extract32(value, 0, 16));
}
/* raise the interrupt as the PHY operation is done */
s->regs[ENET_EIR] |= ENET_INT_MII;
@ -1053,8 +1035,6 @@ static bool imx_eth_can_receive(NetClientState *nc)
{
IMXFECState *s = IMX_FEC(qemu_get_nic_opaque(nc));
FEC_PRINTF("\n");
return !!s->regs[ENET_RDAR];
}
@ -1071,7 +1051,7 @@ static ssize_t imx_fec_receive(NetClientState *nc, const uint8_t *buf,
unsigned int buf_len;
size_t size = len;
FEC_PRINTF("len %d\n", (int)size);
trace_imx_fec_receive(size);
if (!s->regs[ENET_RDAR]) {
qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Unexpected packet\n",
@ -1113,7 +1093,7 @@ static ssize_t imx_fec_receive(NetClientState *nc, const uint8_t *buf,
bd.length = buf_len;
size -= buf_len;
FEC_PRINTF("rx_bd 0x%x length %d\n", addr, bd.length);
trace_imx_fec_receive_len(addr, bd.length);
/* The last 4 bytes are the CRC. */
if (size < 4) {
@ -1131,7 +1111,9 @@ static ssize_t imx_fec_receive(NetClientState *nc, const uint8_t *buf,
if (size == 0) {
/* Last buffer in frame. */
bd.flags |= flags | ENET_BD_L;
FEC_PRINTF("rx frame flags %04x\n", bd.flags);
trace_imx_fec_receive_last(bd.flags);
s->regs[ENET_EIR] |= ENET_INT_RXF;
} else {
s->regs[ENET_EIR] |= ENET_INT_RXB;
@ -1164,7 +1146,7 @@ static ssize_t imx_enet_receive(NetClientState *nc, const uint8_t *buf,
size_t size = len;
bool shift16 = s->regs[ENET_RACC] & ENET_RACC_SHIFT16;
FEC_PRINTF("len %d\n", (int)size);
trace_imx_enet_receive(size);
if (!s->regs[ENET_RDAR]) {
qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Unexpected packet\n",
@ -1210,7 +1192,7 @@ static ssize_t imx_enet_receive(NetClientState *nc, const uint8_t *buf,
bd.length = buf_len;
size -= buf_len;
FEC_PRINTF("rx_bd 0x%x length %d\n", addr, bd.length);
trace_imx_enet_receive_len(addr, bd.length);
/* The last 4 bytes are the CRC. */
if (size < 4) {
@ -1246,7 +1228,9 @@ static ssize_t imx_enet_receive(NetClientState *nc, const uint8_t *buf,
if (size == 0) {
/* Last buffer in frame. */
bd.flags |= flags | ENET_BD_L;
FEC_PRINTF("rx frame flags %04x\n", bd.flags);
trace_imx_enet_receive_last(bd.flags);
/* Indicate that we've updated the last buffer descriptor. */
bd.last_buffer = ENET_BD_BDU;
if (bd.option & ENET_BD_RX_INT) {

View File

@ -408,3 +408,21 @@ i82596_receive_packet(size_t sz) "len=%zu"
i82596_new_mac(const char *id_with_mac) "New MAC for: %s"
i82596_set_multicast(uint16_t count) "Added %d multicast entries"
i82596_channel_attention(void *s) "%p: Received CHANNEL ATTENTION"
# imx_fec.c
imx_phy_read(uint32_t val, int reg) "0x%04"PRIx32" <= reg[%d]"
imx_phy_write(uint32_t val, int reg) "0x%04"PRIx32" => reg[%d]"
imx_phy_update_link(const char *s) "%s"
imx_phy_reset(void) ""
imx_fec_read_bd(uint64_t addr, int flags, int len, int data) "tx_bd 0x%"PRIx64" flags 0x%04x len %d data 0x%08x"
imx_enet_read_bd(uint64_t addr, int flags, int len, int data, int options, int status) "tx_bd 0x%"PRIx64" flags 0x%04x len %d data 0x%08x option 0x%04x status 0x%04x"
imx_eth_tx_bd_busy(void) "tx_bd ran out of descriptors to transmit"
imx_eth_rx_bd_full(void) "RX buffer is full"
imx_eth_read(int reg, const char *reg_name, uint32_t value) "reg[%d:%s] => 0x%08"PRIx32
imx_eth_write(int reg, const char *reg_name, uint64_t value) "reg[%d:%s] <= 0x%08"PRIx64
imx_fec_receive(size_t size) "len %zu"
imx_fec_receive_len(uint64_t addr, int len) "rx_bd 0x%"PRIx64" length %d"
imx_fec_receive_last(int last) "rx frame flags 0x%04x"
imx_enet_receive(size_t size) "len %zu"
imx_enet_receive_len(uint64_t addr, int len) "rx_bd 0x%"PRIx64" length %d"
imx_enet_receive_last(int last) "rx frame flags 0x%04x"