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Date: Wed, 3 Apr 2024 09:45:45 -0400 Message-Id: <20240403134546.1361812-1-porter@cs.unc.edu> X-Mailer: git-send-email 2.25.1 In-Reply-To: <7e66f00d-cc69-458d-be56-266689757f68@linaro.org> References: <7e66f00d-cc69-458d-be56-266689757f68@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::834; envelope-from=porter@cs.unc.edu; helo=mail-qt1-x834.google.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 03 Apr 2024 10:25:56 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @cs.unc.edu) X-ZM-MESSAGEID: 1712154419936100001 Content-Type: text/plain; charset="utf-8" From: Austin Clements The E1000 debug messages are very useful for developing drivers. Make these available to users without recompiling QEMU. Signed-off-by: Austin Clements [geofft@ldpreload.com: Rebased on top of 2.9.0] Signed-off-by: Geoffrey Thomas Signed-off-by: Don Porter Reviewed-by: Richard Henderson --- hw/net/e1000.c | 90 +++++++++++++++------------------------------ hw/net/trace-events | 25 ++++++++++++- 2 files changed, 54 insertions(+), 61 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 43f3a4a701..24475636a3 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -44,26 +44,6 @@ #include "trace.h" #include "qom/object.h" =20 -/* #define E1000_DEBUG */ - -#ifdef E1000_DEBUG -enum { - DEBUG_GENERAL, DEBUG_IO, DEBUG_MMIO, DEBUG_INTERRUPT, - DEBUG_RX, DEBUG_TX, DEBUG_MDIC, DEBUG_EEPROM, - DEBUG_UNKNOWN, DEBUG_TXSUM, DEBUG_TXERR, DEBUG_RXERR, - DEBUG_RXFILTER, DEBUG_PHY, DEBUG_NOTYET, -}; -#define DBGBIT(x) (1<mac_reg[ICR], - s->mac_reg[IMS]); + trace_e1000_set_ics(val, s->mac_reg[ICR], s->mac_reg[IMS]); set_interrupt_cause(s, 0, val | s->mac_reg[ICR]); } =20 @@ -425,8 +404,7 @@ set_rx_control(E1000State *s, int index, uint32_t val) s->mac_reg[RCTL] =3D val; s->rxbuf_size =3D e1000x_rxbufsize(val); s->rxbuf_min_shift =3D ((val / E1000_RCTL_RDMTS_QUAT) & 3) + 1; - DBGOUT(RX, "RCTL: %d, mac_reg[RCTL] =3D 0x%x\n", s->mac_reg[RDT], - s->mac_reg[RCTL]); + trace_e1000_set_rx_control(s->mac_reg[RDT], s->mac_reg[RCTL]); timer_mod(s->flush_queue_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 1000); } @@ -440,16 +418,16 @@ set_mdic(E1000State *s, int index, uint32_t val) if ((val & E1000_MDIC_PHY_MASK) >> E1000_MDIC_PHY_SHIFT !=3D 1) // phy= # val =3D s->mac_reg[MDIC] | E1000_MDIC_ERROR; else if (val & E1000_MDIC_OP_READ) { - DBGOUT(MDIC, "MDIC read reg 0x%x\n", addr); + trace_e1000_mdic_read_register(addr); if (!(phy_regcap[addr] & PHY_R)) { - DBGOUT(MDIC, "MDIC read reg %x unhandled\n", addr); + trace_e1000_mdic_read_register_unhandled(addr); val |=3D E1000_MDIC_ERROR; } else val =3D (val ^ data) | s->phy_reg[addr]; } else if (val & E1000_MDIC_OP_WRITE) { - DBGOUT(MDIC, "MDIC write reg 0x%x, value 0x%x\n", addr, data); + trace_e1000_mdic_write_register(addr, data); if (!(phy_regcap[addr] & PHY_W)) { - DBGOUT(MDIC, "MDIC write reg %x unhandled\n", addr); + trace_e1000_mdic_write_register_unhandled(addr); val |=3D E1000_MDIC_ERROR; } else { if (addr < NPHYWRITEOPS && phyreg_writeops[addr]) { @@ -471,8 +449,8 @@ get_eecd(E1000State *s, int index) { uint32_t ret =3D E1000_EECD_PRES|E1000_EECD_GNT | s->eecd_state.old_ee= cd; =20 - DBGOUT(EEPROM, "reading eeprom bit %d (reading %d)\n", - s->eecd_state.bitnum_out, s->eecd_state.reading); + trace_e1000_get_eecd(s->eecd_state.bitnum_out, s->eecd_state.reading); + if (!s->eecd_state.reading || ((s->eeprom_data[(s->eecd_state.bitnum_out >> 4) & 0x3f] >> ((s->eecd_state.bitnum_out & 0xf) ^ 0xf))) & 1) @@ -511,9 +489,8 @@ set_eecd(E1000State *s, int index, uint32_t val) s->eecd_state.reading =3D (((s->eecd_state.val_in >> 6) & 7) =3D= =3D EEPROM_READ_OPCODE_MICROWIRE); } - DBGOUT(EEPROM, "eeprom bitnum in %d out %d, reading %d\n", - s->eecd_state.bitnum_in, s->eecd_state.bitnum_out, - s->eecd_state.reading); + trace_e1000_set_eecd(s->eecd_state.bitnum_in, s->eecd_state.bitnum_out, + s->eecd_state.reading); } =20 static uint32_t @@ -580,8 +557,7 @@ xmit_seg(E1000State *s) =20 if (tp->cptse) { css =3D props->ipcss; - DBGOUT(TXSUM, "frames %d size %d ipcss %d\n", - frames, tp->size, css); + trace_e1000_xmit_seg1(frames, tp->size, css); if (props->ip) { /* IPv4 */ stw_be_p(tp->data+css+2, tp->size - css); stw_be_p(tp->data+css+4, @@ -591,7 +567,7 @@ xmit_seg(E1000State *s) } css =3D props->tucss; len =3D tp->size - css; - DBGOUT(TXSUM, "tcp %d tucss %d len %d\n", props->tcp, css, len); + trace_e1000_xmit_seg2(props->tcp, css, len); if (props->tcp) { sofar =3D frames * props->mss; stl_be_p(tp->data+css+4, ldl_be_p(tp->data+css+4)+sofar); /* s= eq */ @@ -759,7 +735,7 @@ start_xmit(E1000State *s) uint32_t tdh_start =3D s->mac_reg[TDH], cause =3D E1000_ICS_TXQE; =20 if (!(s->mac_reg[TCTL] & E1000_TCTL_EN)) { - DBGOUT(TX, "tx disabled\n"); + trace_e1000_start_xmit_fail1(); return; } =20 @@ -773,9 +749,9 @@ start_xmit(E1000State *s) sizeof(struct e1000_tx_desc) * s->mac_reg[TDH]; pci_dma_read(d, base, &desc, sizeof(desc)); =20 - DBGOUT(TX, "index %d: %p : %x %x\n", s->mac_reg[TDH], - (void *)(intptr_t)desc.buffer_addr, desc.lower.data, - desc.upper.data); + trace_e1000_transmit(s->mac_reg[TDH], + (void *)(intptr_t)desc.buffer_addr, + desc.lower.data, desc.upper.data); =20 process_tx_desc(s, &desc); cause |=3D txdesc_writeback(s, base, &desc); @@ -789,8 +765,8 @@ start_xmit(E1000State *s) */ if (s->mac_reg[TDH] =3D=3D tdh_start || tdh_start >=3D s->mac_reg[TDLEN] / sizeof(desc)) { - DBGOUT(TXERR, "TDH wraparound @%x, TDT %x, TDLEN %x\n", - tdh_start, s->mac_reg[TDT], s->mac_reg[TDLEN]); + trace_e1000_start_xmit_fail2(tdh_start, s->mac_reg[TDT], + s->mac_reg[TDLEN]); break; } } @@ -978,7 +954,7 @@ e1000_receive_iov(NetClientState *nc, const struct iove= c *iov, int iovcnt) desc.status &=3D ~E1000_RXD_STAT_EOP; } } else { // as per intel docs; skip descriptors with null buf addr - DBGOUT(RX, "Null RX descriptor!!\n"); + trace_e1000_null_rx(); } pci_dma_write(d, base, &desc, sizeof(desc)); desc.status |=3D (vlan_status | E1000_RXD_STAT_DD); @@ -990,8 +966,8 @@ e1000_receive_iov(NetClientState *nc, const struct iove= c *iov, int iovcnt) /* see comment in start_xmit; same here */ if (s->mac_reg[RDH] =3D=3D rdh_start || rdh_start >=3D s->mac_reg[RDLEN] / sizeof(desc)) { - DBGOUT(RXERR, "RDH wraparound @%x, RDT %x, RDLEN %x\n", - rdh_start, s->mac_reg[RDT], s->mac_reg[RDLEN]); + trace_e1000_rdh_wraparound(rdh_start, s->mac_reg[RDT], + s->mac_reg[RDLEN]); e1000_receiver_overrun(s, total_size); return -1; } @@ -1033,7 +1009,7 @@ mac_icr_read(E1000State *s, int index) { uint32_t ret =3D s->mac_reg[ICR]; =20 - DBGOUT(INTERRUPT, "ICR read: %x\n", ret); + trace_e1000_mac_icr_read(ret); set_interrupt_cause(s, 0, 0); return ret; } @@ -1109,7 +1085,7 @@ set_tctl(E1000State *s, int index, uint32_t val) static void set_icr(E1000State *s, int index, uint32_t val) { - DBGOUT(INTERRUPT, "set_icr %x\n", val); + trace_e1000_set_icr(val); set_interrupt_cause(s, 0, s->mac_reg[ICR] & ~val); } =20 @@ -1271,20 +1247,16 @@ e1000_mmio_write(void *opaque, hwaddr addr, uint64_= t val, if (!(mac_reg_access[index] & MAC_ACCESS_FLAG_NEEDED) || (s->compat_flags & (mac_reg_access[index] >> 2))) { if (mac_reg_access[index] & MAC_ACCESS_PARTIAL) { - DBGOUT(GENERAL, "Writing to register at offset: 0x%08x. " - "It is not fully implemented.\n", index<<2); + trace_e1000_mmio_write_fail1(index << 2); } macreg_writeops[index](s, index, val); } else { /* "flag needed" bit is set, but the flag is not activ= e */ - DBGOUT(MMIO, "MMIO write attempt to disabled reg. addr=3D0x%08= x\n", - index<<2); + trace_e1000_mmio_write_fail2(index << 2); } } else if (index < NREADOPS && macreg_readops[index]) { - DBGOUT(MMIO, "e1000_mmio_writel RO %x: 0x%04"PRIx64"\n", - index<<2, val); + trace_e1000_mmio_write_fail3(index << 2, val); } else { - DBGOUT(UNKNOWN, "MMIO unknown write addr=3D0x%08x,val=3D0x%08"PRIx= 64"\n", - index<<2, val); + trace_e1000_mmio_write_fail4(index << 2, val); } } =20 @@ -1298,16 +1270,14 @@ e1000_mmio_read(void *opaque, hwaddr addr, unsigned= size) if (!(mac_reg_access[index] & MAC_ACCESS_FLAG_NEEDED) || (s->compat_flags & (mac_reg_access[index] >> 2))) { if (mac_reg_access[index] & MAC_ACCESS_PARTIAL) { - DBGOUT(GENERAL, "Reading register at offset: 0x%08x. " - "It is not fully implemented.\n", index<<2); + trace_e1000_mmio_read_fail1(index << 2); } return macreg_readops[index](s, index); } else { /* "flag needed" bit is set, but the flag is not activ= e */ - DBGOUT(MMIO, "MMIO read attempt of disabled reg. addr=3D0x%08x= \n", - index<<2); + trace_e1000_mmio_read_fail2(index << 2); } } else { - DBGOUT(UNKNOWN, "MMIO unknown read addr=3D0x%08x\n", index<<2); + trace_e1000_mmio_read_fail3(index << 2); } return 0; } diff --git a/hw/net/trace-events b/hw/net/trace-events index 78efa2ec2c..f426f79a0c 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -101,7 +101,31 @@ net_rx_pkt_rss_hash(size_t rss_length, uint32_t rss_ha= sh) "RSS hash for %zu byte net_rx_pkt_rss_add_chunk(void* ptr, size_t size, size_t input_offset) "Add= RSS chunk %p, %zu bytes, RSS input offset %zu bytes" =20 # e1000.c +e1000_set_ics(uint32_t val, uint32_t ICR, uint32_t IMR) "set_ics 0x%x, ICR= 0x%x, IMR 0x%x" +e1000_set_rx_control(uint32_t RDT, uint32_t RCTL) "RCTL: %d, mac_reg[RCTL]= =3D 0x%x" +e1000_mdic_read_register(uint32_t addr) "MDIC read reg 0x%x" +e1000_mdic_read_register_unhandled(uint32_t addr) "MDIC read reg 0x%x unha= ndled" +e1000_mdic_write_register(uint32_t addr, uint32_t val) "MDIC write reg 0x%= x, value 0x%x" +e1000_mdic_write_register_unhandled(uint32_t addr) "MDIC write reg 0x%x un= handled" +e1000_transmit(uint32_t tdh, void *addr, uint32_t data_low, uint32_t data_= high) "index %d: %p : 0x%x 0x%x" +e1000_get_eecd(uint16_t bitnum_out, uint16_t reading) "reading eeprom bit = %d (reading %d)" +e1000_set_eecd(uint16_t bitnum_in, uint16_t bitnum_out, uint16_t reading) = "eeprom bitnum in %d out %d, reading %d" +e1000_xmit_seg1(unsigned int frames, uint16_t size, unsigned int css) "fra= mes %d size %d ipcss %d" +e1000_xmit_seg2(int8_t tcp, uint16_t css, unsigned int len) "tcp %d tucss = %d len %d" +e1000_start_xmit_fail1(void) "tx disabled" +e1000_start_xmit_fail2(uint32_t tdh_start, uint32_t TDT, uint32_t TDLEN) "= TDH wraparound @0x%x, TDT 0x%x, TDLEN 0x%x" e1000_receiver_overrun(size_t s, uint32_t rdh, uint32_t rdt) "Receiver ove= rrun: dropped packet of %zu bytes, RDH=3D%u, RDT=3D%u" +e1000_null_rx(void) "Null RX descriptor!!" +e1000_rdh_wraparound(uint32_t rdh_start, uint32_t RDT, uint32_t RDLEN) "RD= H wraparound @0x%x, RDT 0x%x, RDLEN 0x%x" +e1000_mac_icr_read(uint32_t ret) "ICR read: 0x%x" +e1000_set_icr(uint32_t val) "set_icr 0x%x" +e1000_mmio_write_fail1(unsigned int index) "Writing to register at offset:= 0x%08x. It is not fully implemented." +e1000_mmio_write_fail2(unsigned int index) "MMIO write attempt to disabled= reg. addr=3D0x%08x" +e1000_mmio_write_fail3(unsigned int index, uint64_t val) "e1000_mmio_write= l RO 0x%x: 0x%04"PRIx64"" +e1000_mmio_write_fail4(unsigned int index, uint64_t val) "MMIO unknown wri= te addr=3D0x%08x,val=3D0x%08"PRIx64"" +e1000_mmio_read_fail1(unsigned int index) "Reading register at offset: 0x%= 08x. It is not fully implemented." +e1000_mmio_read_fail2(unsigned int index) "MMIO read attempt of disabled r= eg. addr=3D0x%08x" +e1000_mmio_read_fail3(unsigned int index) "MMIO unknown read addr=3D0x%08x" =20 # e1000x_common.c e1000x_rx_can_recv_disabled(bool link_up, bool rx_enabled, bool pci_master= ) "link_up: %d, rx_enabled %d, pci_master %d" @@ -146,7 +170,6 @@ e1000e_wrn_no_snap_support(void) "WARNING: Guest reques= ted TX SNAP header update e1000e_wrn_iscsi_filtering_not_supported(void) "WARNING: Guest requested i= SCSI filtering which is not supported" e1000e_wrn_nfsw_filtering_not_supported(void) "WARNING: Guest requested NF= S write filtering which is not supported" e1000e_wrn_nfsr_filtering_not_supported(void) "WARNING: Guest requested NF= S read filtering which is not supported" - e1000e_tx_disabled(void) "TX Disabled" e1000e_tx_descr(void *addr, uint32_t lower, uint32_t upper) "%p : %x %x" =20 --=20 2.25.1