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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b66cdb5d1sm54646765e9.8.2025.08.28.07.38.11 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 28 Aug 2025 07:38:11 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on lists.libvirt.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_LOW,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756391893; x=1756996693; darn=lists.libvirt.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=s1kz5AIExByLWtCTCBKM3lTyxgVVh7J2ReArYeuqvwk=; b=nJBn5WkuQZqj+ztLn+zHyL6a1iul2Acb2ivkRWIXMNv2FYqWwDgqeQTKIZ9ssxG4O3 3G2JBiXZsyj7O0fJDzTCv3lwjhz5m03kOA9wqCGWnYTRW7dHNldEddPpm9amCI1GPc+K pJeIBolbTNddRs5APAY9NKFNWakuBnEJarVYgkvou4y8XnEH+9oVC+/Gbj4tu9Nh+Qaq zGyFeUH3EZsjsDHzKf/bMtx973Db8QKyQCgV3/bFr64MUFXiVBqARP8j9E2FNKJu55ay 2Q47WzM2//5PtYKSCo/b45/1F0PW+M79Fv/Cb6bvjUbL9ppQlzyv5rwmRmi55PmPIavn XbuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756391893; x=1756996693; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=s1kz5AIExByLWtCTCBKM3lTyxgVVh7J2ReArYeuqvwk=; b=YrL5zW14LoK8kcuOFqgy8pWI4EHE0BDA2rwKdPx33Kw/PiYHCJAKwAe8zc+3WTildn yGJj7y3yCxJ8+Obbdz24R6igbOTJqfT2Du0m6BsHIzRe4FONUJmROrx3L053DwdFVamv K6ikpz+xM0VfHjdRANz3zI7NyxxNIV/oNxJPBY07EB6f9roMh6Bxkh0To104cs6RL55G i+2WhxvflTbec365l/df2sRc2SNweTBazBc9dAd5IeBgmLkz3OzfkCJ/elCLQvqCfc9P oxFCeMEXt6pivJAp7v98YYNvcbk1eAFn4z368xFiDh7ImYxhw2mgNzjczR02rxaR/Gvx scRQ== X-Gm-Message-State: AOJu0Yx1fI6tgaOkvX8VtXO7NQxkcMHdeGtQc/rgPa66T/Ag2toGxoA2 C9cF4LzLehKZDUAx98Ciizkd20bZxyqvleUjCCYP57953V1qN2j2nMmYKf1t6r2uOqEw7U/cBvY APOwjj4s= X-Gm-Gg: ASbGncutG4qf0NqKV5R3evmbPufn/Vw5imKEst2UOEuA9YlI8inJCHALSRZIxTeF0mp K9BrnDoqT7+wUd1femut2Q/e6KgFCF7LddjOBXIee4IOqiRwWQGOytdbWEzX97XieQ8qRHHttAf YaSQHdXAbFeYYbyyUi48nMNdNn9gh8aid/JDZwWBtoOidLlduOSu8AFOJtWN462or7tbGsFrguu zBTSuPvitefMpKMJ1dYy0+SVpNxJvse1ZrENTIbdizSkcWKn0H4Y2Zt0ax44NpD6GpS0kl3d/hc PvVx/GSDqzW7kcbfMY0tW5oKAGuSI85Tj06jxqXoZlU6Ljd9GoIeHqP9zuJK9KGrMM1fnoNU7cf 57fQdZPtmZg+b+foxFTcKuxk/2DF22HZGuIvepBWt94pbJTClbYSZJK1Fy8j3I/WnxeBmqrUt0f EyKm+6ibw= X-Google-Smtp-Source: AGHT+IHt05bLg/soxREVQb1vmYQ3O9PYBoGqnFlV6Lt8AxvUtSl0MJ+5qBjcuPleuBemifDeSIJRvA== X-Received: by 2002:a05:600c:3b1e:b0:45b:79fd:cb3d with SMTP id 5b1f17b1804b1-45b79fdcd1bmr27389175e9.36.1756391893085; Thu, 28 Aug 2025 07:38:13 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/2] hw/net: Remove mipsnet device model Date: Thu, 28 Aug 2025 16:38:00 +0200 Message-ID: <20250828143800.49842-3-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250828143800.49842-1-philmd@linaro.org> References: <20250828143800.49842-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: 4OUP3FHL2OIHJKKDC2TOLME6B5W3KP52 X-Message-ID-Hash: 4OUP3FHL2OIHJKKDC2TOLME6B5W3KP52 X-MailFrom: philmd@linaro.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: devel@lists.libvirt.org, Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Jason Wang , Jiaxun Yang X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756392133827124100 The mipsnet device model was only used by the mipssim machine, which just got removed. Remove as now dead code. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- MAINTAINERS | 5 - hw/net/mipsnet.c | 297 -------------------------------------------- hw/net/Kconfig | 3 - hw/net/meson.build | 1 - hw/net/trace-events | 7 -- 5 files changed, 313 deletions(-) delete mode 100644 hw/net/mipsnet.c diff --git a/MAINTAINERS b/MAINTAINERS index 6a2d3aa43bf..e293dfdb20d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1411,11 +1411,6 @@ F: include/hw/southbridge/piix.h F: tests/functional/mips*/test_malta.py F: tests/functional/mips*/test_tuxrun.py =20 -Mipssim -R: Aleksandar Rikalo -S: Orphan -F: hw/net/mipsnet.c - Fuloong 2E M: Huacai Chen M: Philippe Mathieu-Daud=C3=A9 diff --git a/hw/net/mipsnet.c b/hw/net/mipsnet.c deleted file mode 100644 index 583aa1c7de6..00000000000 --- a/hw/net/mipsnet.c +++ /dev/null @@ -1,297 +0,0 @@ -#include "qemu/osdep.h" -#include "hw/irq.h" -#include "hw/qdev-properties.h" -#include "net/net.h" -#include "qemu/module.h" -#include "trace.h" -#include "hw/sysbus.h" -#include "migration/vmstate.h" -#include "qom/object.h" - -/* MIPSnet register offsets */ - -#define MIPSNET_DEV_ID 0x00 -#define MIPSNET_BUSY 0x08 -#define MIPSNET_RX_DATA_COUNT 0x0c -#define MIPSNET_TX_DATA_COUNT 0x10 -#define MIPSNET_INT_CTL 0x14 -# define MIPSNET_INTCTL_TXDONE 0x00000001 -# define MIPSNET_INTCTL_RXDONE 0x00000002 -# define MIPSNET_INTCTL_TESTBIT 0x80000000 -#define MIPSNET_INTERRUPT_INFO 0x18 -#define MIPSNET_RX_DATA_BUFFER 0x1c -#define MIPSNET_TX_DATA_BUFFER 0x20 - -#define MAX_ETH_FRAME_SIZE 1514 - -#define TYPE_MIPS_NET "mipsnet" -OBJECT_DECLARE_SIMPLE_TYPE(MIPSnetState, MIPS_NET) - -struct MIPSnetState { - SysBusDevice parent_obj; - - uint32_t busy; - uint32_t rx_count; - uint32_t rx_read; - uint32_t tx_count; - uint32_t tx_written; - uint32_t intctl; - uint8_t rx_buffer[MAX_ETH_FRAME_SIZE]; - uint8_t tx_buffer[MAX_ETH_FRAME_SIZE]; - MemoryRegion io; - qemu_irq irq; - NICState *nic; - NICConf conf; -}; - -static void mipsnet_reset(MIPSnetState *s) -{ - s->busy =3D 1; - s->rx_count =3D 0; - s->rx_read =3D 0; - s->tx_count =3D 0; - s->tx_written =3D 0; - s->intctl =3D 0; - memset(s->rx_buffer, 0, MAX_ETH_FRAME_SIZE); - memset(s->tx_buffer, 0, MAX_ETH_FRAME_SIZE); -} - -static void mipsnet_update_irq(MIPSnetState *s) -{ - int isr =3D !!s->intctl; - trace_mipsnet_irq(isr, s->intctl); - qemu_set_irq(s->irq, isr); -} - -static int mipsnet_buffer_full(MIPSnetState *s) -{ - if (s->rx_count >=3D MAX_ETH_FRAME_SIZE) { - return 1; - } - return 0; -} - -static int mipsnet_can_receive(NetClientState *nc) -{ - MIPSnetState *s =3D qemu_get_nic_opaque(nc); - - if (s->busy) { - return 0; - } - return !mipsnet_buffer_full(s); -} - -static ssize_t mipsnet_receive(NetClientState *nc, - const uint8_t *buf, size_t size) -{ - MIPSnetState *s =3D qemu_get_nic_opaque(nc); - - trace_mipsnet_receive(size); - if (!mipsnet_can_receive(nc)) { - return 0; - } - - if (size >=3D sizeof(s->rx_buffer)) { - return 0; - } - s->busy =3D 1; - - /* Just accept everything. */ - - /* Write packet data. */ - memcpy(s->rx_buffer, buf, size); - - s->rx_count =3D size; - s->rx_read =3D 0; - - /* Now we can signal we have received something. */ - s->intctl |=3D MIPSNET_INTCTL_RXDONE; - mipsnet_update_irq(s); - - return size; -} - -static uint64_t mipsnet_ioport_read(void *opaque, hwaddr addr, - unsigned int size) -{ - MIPSnetState *s =3D opaque; - int ret =3D 0; - - addr &=3D 0x3f; - switch (addr) { - case MIPSNET_DEV_ID: - ret =3D be32_to_cpu(0x4d495053); /* MIPS */ - break; - case MIPSNET_DEV_ID + 4: - ret =3D be32_to_cpu(0x4e455430); /* NET0 */ - break; - case MIPSNET_BUSY: - ret =3D s->busy; - break; - case MIPSNET_RX_DATA_COUNT: - ret =3D s->rx_count; - break; - case MIPSNET_TX_DATA_COUNT: - ret =3D s->tx_count; - break; - case MIPSNET_INT_CTL: - ret =3D s->intctl; - s->intctl &=3D ~MIPSNET_INTCTL_TESTBIT; - break; - case MIPSNET_INTERRUPT_INFO: - /* XXX: This seems to be a per-VPE interrupt number. */ - ret =3D 0; - break; - case MIPSNET_RX_DATA_BUFFER: - if (s->rx_count) { - s->rx_count--; - ret =3D s->rx_buffer[s->rx_read++]; - if (mipsnet_can_receive(s->nic->ncs)) { - qemu_flush_queued_packets(qemu_get_queue(s->nic)); - } - } - break; - /* Reads as zero. */ - case MIPSNET_TX_DATA_BUFFER: - default: - break; - } - trace_mipsnet_read(addr, ret); - return ret; -} - -static void mipsnet_ioport_write(void *opaque, hwaddr addr, - uint64_t val, unsigned int size) -{ - MIPSnetState *s =3D opaque; - - addr &=3D 0x3f; - trace_mipsnet_write(addr, val); - switch (addr) { - case MIPSNET_TX_DATA_COUNT: - s->tx_count =3D (val <=3D MAX_ETH_FRAME_SIZE) ? val : 0; - s->tx_written =3D 0; - break; - case MIPSNET_INT_CTL: - if (val & MIPSNET_INTCTL_TXDONE) { - s->intctl &=3D ~MIPSNET_INTCTL_TXDONE; - } else if (val & MIPSNET_INTCTL_RXDONE) { - s->intctl &=3D ~MIPSNET_INTCTL_RXDONE; - } else if (val & MIPSNET_INTCTL_TESTBIT) { - mipsnet_reset(s); - s->intctl |=3D MIPSNET_INTCTL_TESTBIT; - } else if (!val) { - /* ACK testbit interrupt, flag was cleared on read. */ - } - s->busy =3D !!s->intctl; - mipsnet_update_irq(s); - if (mipsnet_can_receive(s->nic->ncs)) { - qemu_flush_queued_packets(qemu_get_queue(s->nic)); - } - break; - case MIPSNET_TX_DATA_BUFFER: - s->tx_buffer[s->tx_written++] =3D val; - if ((s->tx_written >=3D MAX_ETH_FRAME_SIZE) - || (s->tx_written =3D=3D s->tx_count)) { - /* Send buffer. */ - trace_mipsnet_send(s->tx_written); - qemu_send_packet(qemu_get_queue(s->nic), - s->tx_buffer, s->tx_written); - s->tx_count =3D s->tx_written =3D 0; - s->intctl |=3D MIPSNET_INTCTL_TXDONE; - s->busy =3D 1; - mipsnet_update_irq(s); - } - break; - /* Read-only registers */ - case MIPSNET_DEV_ID: - case MIPSNET_BUSY: - case MIPSNET_RX_DATA_COUNT: - case MIPSNET_INTERRUPT_INFO: - case MIPSNET_RX_DATA_BUFFER: - default: - break; - } -} - -static const VMStateDescription vmstate_mipsnet =3D { - .name =3D "mipsnet", - .version_id =3D 0, - .minimum_version_id =3D 0, - .fields =3D (const VMStateField[]) { - VMSTATE_UINT32(busy, MIPSnetState), - VMSTATE_UINT32(rx_count, MIPSnetState), - VMSTATE_UINT32(rx_read, MIPSnetState), - VMSTATE_UINT32(tx_count, MIPSnetState), - VMSTATE_UINT32(tx_written, MIPSnetState), - VMSTATE_UINT32(intctl, MIPSnetState), - VMSTATE_BUFFER(rx_buffer, MIPSnetState), - VMSTATE_BUFFER(tx_buffer, MIPSnetState), - VMSTATE_END_OF_LIST() - } -}; - -static NetClientInfo net_mipsnet_info =3D { - .type =3D NET_CLIENT_DRIVER_NIC, - .size =3D sizeof(NICState), - .receive =3D mipsnet_receive, -}; - -static const MemoryRegionOps mipsnet_ioport_ops =3D { - .read =3D mipsnet_ioport_read, - .write =3D mipsnet_ioport_write, - .impl.min_access_size =3D 1, - .impl.max_access_size =3D 4, -}; - -static void mipsnet_realize(DeviceState *dev, Error **errp) -{ - SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); - MIPSnetState *s =3D MIPS_NET(dev); - - memory_region_init_io(&s->io, OBJECT(dev), &mipsnet_ioport_ops, s, - "mipsnet-io", 36); - sysbus_init_mmio(sbd, &s->io); - sysbus_init_irq(sbd, &s->irq); - - s->nic =3D qemu_new_nic(&net_mipsnet_info, &s->conf, - object_get_typename(OBJECT(dev)), dev->id, - &dev->mem_reentrancy_guard, s); - qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); -} - -static void mipsnet_sysbus_reset(DeviceState *dev) -{ - MIPSnetState *s =3D MIPS_NET(dev); - mipsnet_reset(s); -} - -static const Property mipsnet_properties[] =3D { - DEFINE_NIC_PROPERTIES(MIPSnetState, conf), -}; - -static void mipsnet_class_init(ObjectClass *klass, const void *data) -{ - DeviceClass *dc =3D DEVICE_CLASS(klass); - - dc->realize =3D mipsnet_realize; - set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); - dc->desc =3D "MIPS Simulator network device"; - device_class_set_legacy_reset(dc, mipsnet_sysbus_reset); - dc->vmsd =3D &vmstate_mipsnet; - device_class_set_props(dc, mipsnet_properties); -} - -static const TypeInfo mipsnet_info =3D { - .name =3D TYPE_MIPS_NET, - .parent =3D TYPE_SYS_BUS_DEVICE, - .instance_size =3D sizeof(MIPSnetState), - .class_init =3D mipsnet_class_init, -}; - -static void mipsnet_register_types(void) -{ - type_register_static(&mipsnet_info); -} - -type_init(mipsnet_register_types) diff --git a/hw/net/Kconfig b/hw/net/Kconfig index 7f80218d10f..2b513d68958 100644 --- a/hw/net/Kconfig +++ b/hw/net/Kconfig @@ -82,9 +82,6 @@ config OPENCORES_ETH config XGMAC bool =20 -config MIPSNET - bool - config ALLWINNER_EMAC bool =20 diff --git a/hw/net/meson.build b/hw/net/meson.build index e6759e26ca6..913eaedbc52 100644 --- a/hw/net/meson.build +++ b/hw/net/meson.build @@ -23,7 +23,6 @@ system_ss.add(when: 'CONFIG_LAN9118_PHY', if_true: files(= 'lan9118_phy.c')) system_ss.add(when: 'CONFIG_NE2000_ISA', if_true: files('ne2000-isa.c')) system_ss.add(when: 'CONFIG_OPENCORES_ETH', if_true: files('opencores_eth.= c')) system_ss.add(when: 'CONFIG_XGMAC', if_true: files('xgmac.c')) -system_ss.add(when: 'CONFIG_MIPSNET', if_true: files('mipsnet.c')) system_ss.add(when: 'CONFIG_XILINX_AXI', if_true: files('xilinx_axienet.c'= )) system_ss.add(when: 'CONFIG_ALLWINNER_EMAC', if_true: files('allwinner_ema= c.c')) system_ss.add(when: 'CONFIG_ALLWINNER_SUN8I_EMAC', if_true: files('allwinn= er-sun8i-emac.c')) diff --git a/hw/net/trace-events b/hw/net/trace-events index 72b69c4a8bb..e82d7490c33 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -20,13 +20,6 @@ lan9118_phy_reset(void) "" lance_mem_readw(uint64_t addr, uint32_t ret) "addr=3D0x%"PRIx64"val=3D0x%0= 4x" lance_mem_writew(uint64_t addr, uint32_t val) "addr=3D0x%"PRIx64"val=3D0x%= 04x" =20 -# mipsnet.c -mipsnet_send(uint32_t size) "sending len=3D%u" -mipsnet_receive(uint32_t size) "receiving len=3D%u" -mipsnet_read(uint64_t addr, uint32_t val) "read addr=3D0x%" PRIx64 " val= =3D0x%x" -mipsnet_write(uint64_t addr, uint64_t val) "write addr=3D0x%" PRIx64 " val= =3D0x%" PRIx64 -mipsnet_irq(uint32_t isr, uint32_t intctl) "set irq to %d (0x%02x)" - # ne2000.c ne2000_read(uint64_t addr, uint64_t val) "read addr=3D0x%" PRIx64 " val=3D= 0x%" PRIx64 ne2000_write(uint64_t addr, uint64_t val) "write addr=3D0x%" PRIx64 " val= =3D0x%" PRIx64 --=20 2.51.0