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c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= DLUayhY2HYxEY0qprFGP3fjfkgXv/E8UT6mrHl4Mjes=; b=p2LRkRgqZohst1TX jzYSC7bi1hnyyWPoTl3V8xQo4wT8bsakHb1eljV0YhkA6SfsHz0Q2JasIX2JtVCN LGgtEWhQzaMetDHExnjdqe0KUodrmHM9oeUOo5KnkNcWlg8qsJpZxtAfWMR+WXv3 FecWXBSfAAfPxOtvwfSG76FpNZZKhS4rah/DjEF84EkgFAbNCJjF4U59sKPOgyDy SmxcwmZPWGGl5f/MqEY3/DDlIuhDf3JAvdOvbV32hTnCCcQHq55/k0Y2du+fuVJc nnvtsZZf8MBnrrvLS8bCNpcMr2wirf97tREPhnjpp8VSY6TM4pEIgkpWf8+Uw/f5 Pff5ow== From: Haixu Cui To: , , , , , CC: Haixu Cui Subject: [PATCH v1 1/3] standard-headers: Update virtio_ids.h from Linux v6.18-rc3 Date: Mon, 27 Oct 2025 15:51:21 +0800 Message-ID: <20251027075123.2237914-2-quic_haixcui@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251027075123.2237914-1-quic_haixcui@quicinc.com> References: <20251027075123.2237914-1-quic_haixcui@quicinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: tULdf2o63CbQ6YLP7usVIaNoK2Z0zosG X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI3MDA3MSBTYWx0ZWRfX/+yjTrrE/RAJ Wf9HgD4kx1T0dAyoEJ4sGY01hY+w0yQTp6YpJMN3lytebC4sVDrKQREjApUIOrROar5TiPD3P3p 5doKVlo94qEJfTNbXJP0SInP65oPtSEEX8gnXD3KCif8f8X3aLVZm4YDbm/fPkqdqFb/UqVz4LW LyjNNK4RlL9g/sGir+YlMXTcAc6HYEK9uhUAJIjQEQ7tBSRwHn5BMl/u7r84B/p6rvAnhEl+hsq Uq+BEAhRK51dYJZcWtMF5LdwDDgfXcbz2OFq9TSrxG++nRgRfvIktflh3yyuvtldvxGYuNM9nE9 wOofIZYi0M4XIwJKpDVe0Rhn3l7VXX/1XdSu2v7q/wTVdJ6KANTQJ4JsI3lK1YvL0FOf4J5yvPw PQ+ZMML/GnrymyYDvCwqTxvrVoP+RA== X-Authority-Analysis: v=2.4 cv=L9YQguT8 c=1 sm=1 tr=0 ts=68ff2490 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z4Rwk6OoAAAA:8 a=COk6AnOGAAAA:8 a=KqJd8QcNxZFF0aacHC0A:9 a=HkZW87K1Qel5hWWM3VKY:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: tULdf2o63CbQ6YLP7usVIaNoK2Z0zosG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-27_03,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 impostorscore=0 adultscore=0 priorityscore=1501 spamscore=0 bulkscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510270071 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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=quic_haixcui@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1761551575025154100 Content-Type: text/plain; charset="utf-8" Synced virtio_ids.h from upstream Linux kernel using scripts/update-linux-headers.sh. Source: - Linux commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa (v6.18-rc3) - Author: Linus Torvalds - Date: Sun Oct 26 15:59:49 2025 -0700 Signed-off-by: Haixu Cui Reviewed-by: Manos Pitsidianakis --- include/standard-headers/linux/virtio_ids.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/standard-headers/linux/virtio_ids.h b/include/standard= -headers/linux/virtio_ids.h index 7aa2eb7662..6c12db16fa 100644 --- a/include/standard-headers/linux/virtio_ids.h +++ b/include/standard-headers/linux/virtio_ids.h @@ -68,6 +68,7 @@ #define VIRTIO_ID_AUDIO_POLICY 39 /* virtio audio policy */ #define VIRTIO_ID_BT 40 /* virtio bluetooth */ #define VIRTIO_ID_GPIO 41 /* virtio gpio */ +#define VIRTIO_ID_SPI 45 /* virtio spi */ =20 /* * Virtio Transitional IDs --=20 2.34.1 From nobody Fri Nov 14 18:24:04 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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b=dx+wJ32yzoF2zN9d V9nSe5SMsQTwwTLV46C5sgtB3enSeK67EgNpjW65DSJagSh13TIq2ddq/QsUw6rY WyHFRDUjXuCQnunGQMIuyjGZh593ADPavAMPBJ3kDRZS+qsWt+LeAkIUfH1RRrl5 f0vJsx2fTEaEBbdkgB66W9mSO5JL2XHhjwQIMU1gY30P+Cv1Kn4ctHTLKkLu8NeK wwld1g8fpROPXHx026k3oryYa79jFluE8NE7zH9Pk41FBtxdu/VAxtsZQAuX5IQ5 hAIOqyqtYu/1FoQ8YHOFaW3bzHX3RVsla2PouG8cuW9yg5qS8rUfPQHv54Ed1fXA c82G1w== From: Haixu Cui To: , , , , , CC: Haixu Cui Subject: [PATCH v1 2/3] standard-headers: Update virtio_spi.h from Linux v6.18-rc3 Date: Mon, 27 Oct 2025 15:51:22 +0800 Message-ID: <20251027075123.2237914-3-quic_haixcui@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251027075123.2237914-1-quic_haixcui@quicinc.com> References: <20251027075123.2237914-1-quic_haixcui@quicinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 3ImXn1NZxURdWvgvoA9ryMcnWkLfyWMI X-Proofpoint-ORIG-GUID: 3ImXn1NZxURdWvgvoA9ryMcnWkLfyWMI X-Authority-Analysis: v=2.4 cv=A+xh/qWG c=1 sm=1 tr=0 ts=68ff2495 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z4Rwk6OoAAAA:8 a=COk6AnOGAAAA:8 a=rqJjEXyH_1KH1bkhQPcA:9 a=HkZW87K1Qel5hWWM3VKY:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI3MDA3MiBTYWx0ZWRfX7P59EfOAPn0e RZoNoeOBhYVgc5lNLmjeNDB8tIGNwwOCQU1lW7GHJmDus9VwXmiZUKDJEqWMFmUrpsG8OTBJkQ2 knFpqOcuLgGNnROrWCn4k/wTulnzcVV9jJZiZynGRmmW6tjNIXOIhfw+VCNGApQdfBwSPl5ikD8 hLceOXfK5uGS/ItOd5bMufG7GkRXmBwmwc04tTcoisR3cAwWJv46HiPygKN2NE5Rp4Ka8QMmP/7 ZAt8QdE2lmOfVYse7rZvSuBWyonjl+Uc7gLRf6WWOI8Xc0HLJTn1+4IzF7dt0kQSi8qdk2q++Fv obuk8lvI4B4d5UFbiWvGcIdo5iWiGdTfbG6XgUi2bGuTWYDsKzQ82/LI+KyqqnfCKIRtZrVJds4 t2dvFMyegoum+AcZLrmLqDt+PqXfLQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-27_03,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 impostorscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510270072 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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=quic_haixcui@quicinc.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1761551570187158500 Content-Type: text/plain; charset="utf-8" Synced virtio_spi.h from upstream Linux kernelusing scripts/update-linux-headers.sh. Source: - Linux commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa (v6.18-rc3) - Author: Linus Torvalds - Date: Sun Oct 26 15:59:49 2025 -0700 This update ensures QEMU's standard headers are consistent with the latest virtio SPI definitions from Linux v6.18-rc3. Signed-off-by: Haixu Cui Reviewed-by: Manos Pitsidianakis --- include/standard-headers/linux/virtio_spi.h | 181 ++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 include/standard-headers/linux/virtio_spi.h diff --git a/include/standard-headers/linux/virtio_spi.h b/include/standard= -headers/linux/virtio_spi.h new file mode 100644 index 0000000000..54e570fb4a --- /dev/null +++ b/include/standard-headers/linux/virtio_spi.h @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Copyright (C) 2023 OpenSynergy GmbH + * Copyright (C) 2025 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef _LINUX_VIRTIO_VIRTIO_SPI_H +#define _LINUX_VIRTIO_VIRTIO_SPI_H + +#include "standard-headers/linux/types.h" +#include "standard-headers/linux/virtio_config.h" +#include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/virtio_types.h" + +/* Sample data on trailing clock edge */ +#define VIRTIO_SPI_CPHA _BITUL(0) +/* Clock is high when IDLE */ +#define VIRTIO_SPI_CPOL _BITUL(1) +/* Chip Select is active high */ +#define VIRTIO_SPI_CS_HIGH _BITUL(2) +/* Transmit LSB first */ +#define VIRTIO_SPI_MODE_LSB_FIRST _BITUL(3) +/* Loopback mode */ +#define VIRTIO_SPI_MODE_LOOP _BITUL(4) + +/** + * struct virtio_spi_config - All config fields are read-only for the + * Virtio SPI driver + * @cs_max_number: maximum number of chipselect the host SPI controller + * supports. + * @cs_change_supported: indicates if the host SPI controller supports to = toggle + * chipselect after each transfer in one message: + * 0: unsupported, chipselect will be kept in active state throughout the + * message transaction; + * 1: supported. + * Note: Message here contains a sequence of SPI transfers. + * @tx_nbits_supported: indicates the supported number of bit for writing: + * bit 0: DUAL (2-bit transfer), 1 for supported + * bit 1: QUAD (4-bit transfer), 1 for supported + * bit 2: OCTAL (8-bit transfer), 1 for supported + * other bits are reserved as 0, 1-bit transfer is always supported. + * @rx_nbits_supported: indicates the supported number of bit for reading: + * bit 0: DUAL (2-bit transfer), 1 for supported + * bit 1: QUAD (4-bit transfer), 1 for supported + * bit 2: OCTAL (8-bit transfer), 1 for supported + * other bits are reserved as 0, 1-bit transfer is always supported. + * @bits_per_word_mask: mask indicating which values of bits_per_word are + * supported. If not set, no limitation for bits_per_word. + * @mode_func_supported: indicates the following features are supported or= not: + * bit 0-1: CPHA feature + * 0b00: invalid, should support as least one CPHA setting + * 0b01: supports CPHA=3D0 only + * 0b10: supports CPHA=3D1 only + * 0b11: supports CPHA=3D0 and CPHA=3D1. + * bit 2-3: CPOL feature + * 0b00: invalid, should support as least one CPOL setting + * 0b01: supports CPOL=3D0 only + * 0b10: supports CPOL=3D1 only + * 0b11: supports CPOL=3D0 and CPOL=3D1. + * bit 4: chipselect active high feature, 0 for unsupported and 1 for + * supported, chipselect active low is supported by default. + * bit 5: LSB first feature, 0 for unsupported and 1 for supported, + * MSB first is supported by default. + * bit 6: loopback mode feature, 0 for unsupported and 1 for supported, + * normal mode is supported by default. + * @max_freq_hz: the maximum clock rate supported in Hz unit, 0 means no + * limitation for transfer speed. + * @max_word_delay_ns: the maximum word delay supported, in nanoseconds. + * A value of 0 indicates that word delay is unsupported. + * Each transfer may consist of a sequence of words. + * @max_cs_setup_ns: the maximum delay supported after chipselect is asser= ted, + * in ns unit, 0 means delay is not supported to introduce after chipsel= ect is + * asserted. + * @max_cs_hold_ns: the maximum delay supported before chipselect is deass= erted, + * in ns unit, 0 means delay is not supported to introduce before chipse= lect + * is deasserted. + * @max_cs_incative_ns: maximum delay supported after chipselect is deasse= rted, + * in ns unit, 0 means delay is not supported to introduce after chipsel= ect is + * deasserted. + */ +struct virtio_spi_config { + uint8_t cs_max_number; + uint8_t cs_change_supported; +#define VIRTIO_SPI_RX_TX_SUPPORT_DUAL _BITUL(0) +#define VIRTIO_SPI_RX_TX_SUPPORT_QUAD _BITUL(1) +#define VIRTIO_SPI_RX_TX_SUPPORT_OCTAL _BITUL(2) + uint8_t tx_nbits_supported; + uint8_t rx_nbits_supported; + uint32_t bits_per_word_mask; +#define VIRTIO_SPI_MF_SUPPORT_CPHA_0 _BITUL(0) +#define VIRTIO_SPI_MF_SUPPORT_CPHA_1 _BITUL(1) +#define VIRTIO_SPI_MF_SUPPORT_CPOL_0 _BITUL(2) +#define VIRTIO_SPI_MF_SUPPORT_CPOL_1 _BITUL(3) +#define VIRTIO_SPI_MF_SUPPORT_CS_HIGH _BITUL(4) +#define VIRTIO_SPI_MF_SUPPORT_LSB_FIRST _BITUL(5) +#define VIRTIO_SPI_MF_SUPPORT_LOOPBACK _BITUL(6) + uint32_t mode_func_supported; + uint32_t max_freq_hz; + uint32_t max_word_delay_ns; + uint32_t max_cs_setup_ns; + uint32_t max_cs_hold_ns; + uint32_t max_cs_inactive_ns; +}; + +/** + * struct spi_transfer_head - virtio SPI transfer descriptor + * @chip_select_id: chipselect index the SPI transfer used. + * @bits_per_word: the number of bits in each SPI transfer word. + * @cs_change: whether to deselect device after finishing this transfer + * before starting the next transfer, 0 means cs keep asserted and + * 1 means cs deasserted then asserted again. + * @tx_nbits: bus width for write transfer. + * 0,1: bus width is 1, also known as SINGLE + * 2 : bus width is 2, also known as DUAL + * 4 : bus width is 4, also known as QUAD + * 8 : bus width is 8, also known as OCTAL + * other values are invalid. + * @rx_nbits: bus width for read transfer. + * 0,1: bus width is 1, also known as SINGLE + * 2 : bus width is 2, also known as DUAL + * 4 : bus width is 4, also known as QUAD + * 8 : bus width is 8, also known as OCTAL + * other values are invalid. + * @reserved: for future use. + * @mode: SPI transfer mode. + * bit 0: CPHA, determines the timing (i.e. phase) of the data + * bits relative to the clock pulses.For CPHA=3D0, the + * "out" side changes the data on the trailing edge of the + * preceding clock cycle, while the "in" side captures the data + * on (or shortly after) the leading edge of the clock cycle. + * For CPHA=3D1, the "out" side changes the data on the leading + * edge of the current clock cycle, while the "in" side + * captures the data on (or shortly after) the trailing edge of + * the clock cycle. + * bit 1: CPOL, determines the polarity of the clock. CPOL=3D0 is a + * clock which idles at 0, and each cycle consists of a pulse + * of 1. CPOL=3D1 is a clock which idles at 1, and each cycle + * consists of a pulse of 0. + * bit 2: CS_HIGH, if 1, chip select active high, else active low. + * bit 3: LSB_FIRST, determines per-word bits-on-wire, if 0, MSB + * first, else LSB first. + * bit 4: LOOP, loopback mode. + * @freq: the transfer speed in Hz. + * @word_delay_ns: delay to be inserted between consecutive words of a + * transfer, in ns unit. + * @cs_setup_ns: delay to be introduced after CS is asserted, in ns + * unit. + * @cs_delay_hold_ns: delay to be introduced before CS is deasserted + * for each transfer, in ns unit. + * @cs_change_delay_inactive_ns: delay to be introduced after CS is + * deasserted and before next asserted, in ns unit. + */ +struct spi_transfer_head { + uint8_t chip_select_id; + uint8_t bits_per_word; + uint8_t cs_change; + uint8_t tx_nbits; + uint8_t rx_nbits; + uint8_t reserved[3]; + uint32_t mode; + uint32_t freq; + uint32_t word_delay_ns; + uint32_t cs_setup_ns; + uint32_t cs_delay_hold_ns; + uint32_t cs_change_delay_inactive_ns; +}; + +/** + * struct spi_transfer_result - virtio SPI transfer result + * @result: Transfer result code. + * VIRTIO_SPI_TRANS_OK: Transfer successful. + * VIRTIO_SPI_PARAM_ERR: Parameter error. + * VIRTIO_SPI_TRANS_ERR: Transfer error. + */ +struct spi_transfer_result { +#define VIRTIO_SPI_TRANS_OK 0 +#define VIRTIO_SPI_PARAM_ERR 1 +#define VIRTIO_SPI_TRANS_ERR 2 + uint8_t result; +}; + +#endif /* #ifndef _LINUX_VIRTIO_VIRTIO_SPI_H */ --=20 2.34.1 From nobody Fri Nov 14 18:24:04 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=quicinc.com ARC-Seal: i=1; a=rsa-sha256; t=1761551558; cv=none; d=zohomail.com; s=zohoarc; b=QFwFuMTIkiuJZJjLtpDBCHQzYEZn3inE+zoz7o7ihgQ3axMa5yuFuBGYbb/kooOd8F+h6RNKxL49jqspFMiPW6AMFzIGzRP2KsY57O1ZoiP88jU+44QQEp9LbZhSEE5Taixklk6eTPuOzYXK27RD+pNZqrm01UM4ak+/QscKWFs= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=quic_haixcui@quicinc.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1761551560959154100 Content-Type: text/plain; charset="utf-8" This patch introduces support for vhost-user-spi and vhost-user-spi-pci devices in QEMU, enabling virtio-based SPI communication via the vhost-user protocol. The implementation follows the virtio-spi specification and leverages the upstream virtio-spi driver in Linux. Relevant references: - Virtio SPI specification: https://github.com/oasis-tcs/virtio-spec/tree/master/device-types/spi - Linux virtio-spi driver: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/d= rivers/spi/spi-virtio.c?h=3Dv6.18-rc3 - vhost-user-spi daemon: https://github.com/rust-vmm/vhost-device/tree/main/vhost-device-spi Example usage with rust-vmm vhost-user-spi daemon: Start the vhost-user-spi daemon: vhost-device-spi --socket-path=3Dvspi.sock --socket-count=3D1 \ --device "/dev/spidev0.0" Launch QEMU with: qemu-system-aarch64 -m 1G \ -chardev socket,path=3D/home/root/vspi.sock0,id=3Dvspi \ -device vhost-user-spi-device,chardev=3Dvspi,id=3Dspi \ -object memory-backend-file,id=3Dmem,size=3D1G,mem-path=3D/dev/shm,= share=3Don \ -numa node,memdev=3Dmem Signed-off-by: Haixu Cui --- MAINTAINERS | 6 +++ hw/virtio/Kconfig | 5 +++ hw/virtio/meson.build | 3 ++ hw/virtio/vhost-user-spi-pci.c | 69 ++++++++++++++++++++++++++++++ hw/virtio/vhost-user-spi.c | 65 ++++++++++++++++++++++++++++ hw/virtio/virtio.c | 4 +- include/hw/virtio/vhost-user-spi.h | 25 +++++++++++ 7 files changed, 176 insertions(+), 1 deletion(-) create mode 100644 hw/virtio/vhost-user-spi-pci.c create mode 100644 hw/virtio/vhost-user-spi.c create mode 100644 include/hw/virtio/vhost-user-spi.h diff --git a/MAINTAINERS b/MAINTAINERS index f33f95ceea..9ce2e16140 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2520,6 +2520,12 @@ F: hw/virtio/vhost-user-scmi* F: include/hw/virtio/vhost-user-scmi.h F: tests/qtest/libqos/virtio-scmi.* =20 +vhost-user-spi +M: Haixu Cui +S: Maintained +F: include/hw/virtio/vhost-user-spi.h +F: hw/virtio/vhost-user-spi* + virtio-crypto M: Gonglei S: Supported diff --git a/hw/virtio/Kconfig b/hw/virtio/Kconfig index 10f5c53ac0..8895682c61 100644 --- a/hw/virtio/Kconfig +++ b/hw/virtio/Kconfig @@ -127,6 +127,11 @@ config VHOST_USER_SCMI default y depends on VIRTIO && VHOST_USER && ARM =20 +config VHOST_USER_SPI + bool + default y + depends on VIRTIO && VHOST_USER + config VHOST_USER_TEST bool default y diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index affd66887d..6675b63ce6 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -28,6 +28,7 @@ if have_vhost system_virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vh= ost-user-rng.c')) system_virtio_ss.add(when: 'CONFIG_VHOST_USER_SND', if_true: files('vh= ost-user-snd.c')) system_virtio_ss.add(when: 'CONFIG_VHOST_USER_INPUT', if_true: files('= vhost-user-input.c')) + system_virtio_ss.add(when: 'CONFIG_VHOST_USER_SPI', if_true: files('vh= ost-user-spi.c')) =20 # PCI Stubs system_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_TE= ST'], @@ -42,6 +43,8 @@ if have_vhost if_true: files('vhost-user-snd-pci.c')) system_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_IN= PUT'], if_true: files('vhost-user-input-pci.c')) + system_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_SP= I'], + if_true: files('vhost-user-spi-pci.c')) endif if have_vhost_vdpa system_virtio_ss.add(files('vhost-vdpa.c')) diff --git a/hw/virtio/vhost-user-spi-pci.c b/hw/virtio/vhost-user-spi-pci.c new file mode 100644 index 0000000000..095aba5760 --- /dev/null +++ b/hw/virtio/vhost-user-spi-pci.c @@ -0,0 +1,69 @@ +/* + * Vhost-user spi virtio device PCI glue + * + * Copyright (C) 2025 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-spi.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserSPIPCI { + VirtIOPCIProxy parent_obj; + VHostUserSPI vdev; +}; + +typedef struct VHostUserSPIPCI VHostUserSPIPCI; + +#define TYPE_VHOST_USER_SPI_PCI "vhost-user-spi-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserSPIPCI, VHOST_USER_SPI_PCI, + TYPE_VHOST_USER_SPI_PCI) + +static void vhost_user_spi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **e= rrp) +{ + VHostUserSPIPCI *dev =3D VHOST_USER_SPI_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vdev); + + vpci_dev->nvectors =3D 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_spi_pci_class_init(ObjectClass *klass, const void *= data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VirtioPCIClass *k =3D VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k =3D PCI_DEVICE_CLASS(klass); + k->realize =3D vhost_user_spi_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision =3D 0x00; + pcidev_k->class_id =3D PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_spi_pci_instance_init(Object *obj) +{ + VHostUserSPIPCI *dev =3D VHOST_USER_SPI_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_SPI); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_spi_pci_info =3D { + .base_name =3D TYPE_VHOST_USER_SPI_PCI, + .non_transitional_name =3D "vhost-user-spi-pci", + .instance_size =3D sizeof(VHostUserSPIPCI), + .instance_init =3D vhost_user_spi_pci_instance_init, + .class_init =3D vhost_user_spi_pci_class_init, +}; + +static void vhost_user_spi_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_spi_pci_info); +} + +type_init(vhost_user_spi_pci_register); diff --git a/hw/virtio/vhost-user-spi.c b/hw/virtio/vhost-user-spi.c new file mode 100644 index 0000000000..0d44dec46a --- /dev/null +++ b/hw/virtio/vhost-user-spi.c @@ -0,0 +1,65 @@ +/* + * Vhost-user spi virtio device + * + * Copyright (C) 2025 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/virtio-bus.h" +#include "hw/virtio/vhost-user-spi.h" +#include "qemu/error-report.h" +#include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/virtio_spi.h" + +static const Property vspi_properties[] =3D { + DEFINE_PROP_CHR("chardev", VHostUserBase, chardev), +}; + +static void vspi_realize(DeviceState *dev, Error **errp) +{ + VHostUserBase *vub =3D VHOST_USER_BASE(dev); + VHostUserBaseClass *vubc =3D VHOST_USER_BASE_GET_CLASS(dev); + + /* Fixed for SPI */ + vub->virtio_id =3D VIRTIO_ID_SPI; + vub->num_vqs =3D 1; + vub->vq_size =3D 4; + vub->config_size =3D sizeof(struct virtio_spi_config); + + vubc->parent_realize(dev, errp); +} + +static const VMStateDescription vu_spi_vmstate =3D { + .name =3D "vhost-user-spi", + .unmigratable =3D 1, +}; + +static void vu_spi_class_init(ObjectClass *klass, const void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VHostUserBaseClass *vubc =3D VHOST_USER_BASE_CLASS(klass); + + dc->vmsd =3D &vu_spi_vmstate; + device_class_set_props(dc, vspi_properties); + device_class_set_parent_realize(dc, vspi_realize, + &vubc->parent_realize); + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); +} + +static const TypeInfo vu_spi_info =3D { + .name =3D TYPE_VHOST_USER_SPI, + .parent =3D TYPE_VHOST_USER_BASE, + .instance_size =3D sizeof(VHostUserSPI), + .class_init =3D vu_spi_class_init, +}; + +static void vu_spi_register_types(void) +{ + type_register_static(&vu_spi_info); +} + +type_init(vu_spi_register_types) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 153ee0a0cf..242b95e702 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -48,6 +48,7 @@ #include "standard-headers/linux/virtio_iommu.h" #include "standard-headers/linux/virtio_mem.h" #include "standard-headers/linux/virtio_vsock.h" +#include "standard-headers/linux/virtio_spi.h" =20 /* * Maximum size of virtio device config space @@ -196,7 +197,8 @@ const char *virtio_device_names[] =3D { [VIRTIO_ID_PARAM_SERV] =3D "virtio-param-serv", [VIRTIO_ID_AUDIO_POLICY] =3D "virtio-audio-pol", [VIRTIO_ID_BT] =3D "virtio-bluetooth", - [VIRTIO_ID_GPIO] =3D "virtio-gpio" + [VIRTIO_ID_GPIO] =3D "virtio-gpio", + [VIRTIO_ID_SPI] =3D "virtio-spi" }; =20 static const char *virtio_id_to_name(uint16_t device_id) diff --git a/include/hw/virtio/vhost-user-spi.h b/include/hw/virtio/vhost-u= ser-spi.h new file mode 100644 index 0000000000..a1a65820cd --- /dev/null +++ b/include/hw/virtio/vhost-user-spi.h @@ -0,0 +1,25 @@ +/* + * Vhost-user spi virtio device + * + * Copyright (C) 2025 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef QEMU_VHOST_USER_SPI_H +#define QEMU_VHOST_USER_SPI_H + +#include "hw/virtio/virtio.h" +#include "hw/virtio/vhost.h" +#include "hw/virtio/vhost-user.h" +#include "hw/virtio/vhost-user-base.h" + +#define TYPE_VHOST_USER_SPI "vhost-user-spi-device" + +OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSPI, VHOST_USER_SPI) + +struct VHostUserSPI { + VHostUserBase parent_obj; +}; + +#endif /* QEMU_VHOST_USER_SPI_H */ --=20 2.34.1