From patchwork Mon Oct 23 16:07:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 13433124 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2640DC004C0 for ; Mon, 23 Oct 2023 16:10:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1quxV3-0008Tu-Od; Mon, 23 Oct 2023 12:09:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1quxUv-0008Gm-EQ for qemu-devel@nongnu.org; Mon, 23 Oct 2023 12:09:46 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1quxUr-0001FT-Mu for qemu-devel@nongnu.org; Mon, 23 Oct 2023 12:09:44 -0400 Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4SDg9Q5YxHz6K9D1; Tue, 24 Oct 2023 00:08:58 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Mon, 23 Oct 2023 17:09:37 +0100 To: , , Michael Tsirkin , Michael Tokarev CC: , Fan Ni , =?utf-8?q?Philippe_M?= =?utf-8?q?athieu-Daud=C3=A9?= , Gregory Price , Davidlohr Bueso , Klaus Jensen , Corey Minyard Subject: [PATCH v2 03/17] hw/cxl/mbox: Pull the CCI definition out of the CXLDeviceState Date: Mon, 23 Oct 2023 17:07:52 +0100 Message-ID: <20231023160806.13206-4-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231023160806.13206-1-Jonathan.Cameron@huawei.com> References: <20231023160806.13206-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=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: , Reply-to: Jonathan Cameron X-Patchwork-Original-From: Jonathan Cameron via From: Jonathan Cameron Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Enables having multiple CCIs per devices. Each CCI (mailbox) has it's own state and command list, so they can't share a single structure. Signed-off-by: Jonathan Cameron Reviewed-by: Fan Ni --- v2: - Dropped Fan's RB as substantial changes - Some of Davidlohr's series adding background command support had accidentally gotten dragged in here whilst reordering patches. --- include/hw/cxl/cxl_device.h | 35 ++++++++++---- hw/cxl/cxl-device-utils.c | 31 +++++++++--- hw/cxl/cxl-mailbox-utils.c | 94 ++++++++++++++++++++++--------------- hw/mem/cxl_type3.c | 5 +- 4 files changed, 109 insertions(+), 56 deletions(-) diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index d7a2c4009e..779ca85319 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -111,12 +111,13 @@ typedef enum { CXL_MBOX_MAX = 0x17 } CXLRetCode; +typedef struct CXLCCI CXLCCI; typedef struct cxl_device_state CXLDeviceState; struct cxl_cmd; typedef CXLRetCode (*opcode_handler)(const struct cxl_cmd *cmd, uint8_t *payload_in, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate); + CXLCCI *cci); struct cxl_cmd { const char *name; opcode_handler handler; @@ -140,6 +141,21 @@ typedef struct CXLEventLog { QSIMPLEQ_HEAD(, CXLEvent) events; } CXLEventLog; +typedef struct CXLCCI { + const struct cxl_cmd (*cxl_cmd_set)[256]; + struct cel_log { + uint16_t opcode; + uint16_t effect; + } cel_log[1 << 16]; + size_t cel_size; + + size_t payload_max; + /* Pointer to device hosting the CCI */ + DeviceState *d; + /* Pointer to the device hosting the protocol conversion */ + DeviceState *intf; +} CXLCCI; + typedef struct cxl_device_state { MemoryRegion device_registers; @@ -173,11 +189,6 @@ typedef struct cxl_device_state { uint32_t mbox_reg_state32[CXL_MAILBOX_REGISTERS_LENGTH / 4]; uint64_t mbox_reg_state64[CXL_MAILBOX_REGISTERS_LENGTH / 8]; }; - struct cel_log { - uint16_t opcode; - uint16_t effect; - } cel_log[1 << 16]; - size_t cel_size; }; struct { @@ -196,10 +207,12 @@ typedef struct cxl_device_state { } CXLDeviceState; /* Initialize the register block for a device */ -void cxl_device_register_block_init(Object *obj, CXLDeviceState *dev); +void cxl_device_register_block_init(Object *obj, CXLDeviceState *dev, + CXLCCI *cci); +typedef struct CXLType3Dev CXLType3Dev; /* Set up default values for the register block */ -void cxl_device_register_init_common(CXLDeviceState *dev); +void cxl_device_register_init_t3(CXLType3Dev *ct3d); /* * CXL 2.0 - 8.2.8.1 including errata F4 @@ -245,8 +258,9 @@ CXL_DEVICE_CAPABILITY_HEADER_REGISTER(MEMORY_DEVICE, CXL_DEVICE_CAP_HDR1_OFFSET + CXL_DEVICE_CAP_REG_SIZE * 2) -void cxl_initialize_mailbox(CXLDeviceState *cxl_dstate); -void cxl_process_mailbox(CXLDeviceState *cxl_dstate); +void cxl_initialize_mailbox_t3(CXLCCI *cci, DeviceState *d, size_t payload_max); +void cxl_init_cci(CXLCCI *cci, size_t payload_max); +void cxl_process_mailbox(CXLCCI *cci); #define cxl_device_cap_init(dstate, reg, cap_id, ver) \ do { \ @@ -347,6 +361,7 @@ struct CXLType3Dev { AddressSpace hostpmem_as; CXLComponentState cxl_cstate; CXLDeviceState cxl_dstate; + CXLCCI cci; /* Primary PCI mailbox CCI */ /* DOE */ DOECap doe_cdat; diff --git a/hw/cxl/cxl-device-utils.c b/hw/cxl/cxl-device-utils.c index eb7195272e..327949a805 100644 --- a/hw/cxl/cxl-device-utils.c +++ b/hw/cxl/cxl-device-utils.c @@ -62,7 +62,14 @@ static uint64_t dev_reg_read(void *opaque, hwaddr offset, unsigned size) static uint64_t mailbox_reg_read(void *opaque, hwaddr offset, unsigned size) { - CXLDeviceState *cxl_dstate = opaque; + CXLDeviceState *cxl_dstate; + CXLCCI *cci = opaque; + + if (object_dynamic_cast(OBJECT(cci->intf), TYPE_CXL_TYPE3)) { + cxl_dstate = &CXL_TYPE3(cci->intf)->cxl_dstate; + } else { + return 0; + } switch (size) { case 1: @@ -123,7 +130,14 @@ static void mailbox_mem_writeq(uint64_t *reg_state, hwaddr offset, static void mailbox_reg_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { - CXLDeviceState *cxl_dstate = opaque; + CXLDeviceState *cxl_dstate; + CXLCCI *cci = opaque; + + if (object_dynamic_cast(OBJECT(cci->intf), TYPE_CXL_TYPE3)) { + cxl_dstate = &CXL_TYPE3(cci->intf)->cxl_dstate; + } else { + return; + } if (offset >= A_CXL_DEV_CMD_PAYLOAD) { memcpy(cxl_dstate->mbox_reg_state + offset, &value, size); @@ -143,7 +157,7 @@ static void mailbox_reg_write(void *opaque, hwaddr offset, uint64_t value, if (ARRAY_FIELD_EX32(cxl_dstate->mbox_reg_state32, CXL_DEV_MAILBOX_CTRL, DOORBELL)) { - cxl_process_mailbox(cxl_dstate); + cxl_process_mailbox(cci); } } @@ -223,7 +237,8 @@ static const MemoryRegionOps caps_ops = { }, }; -void cxl_device_register_block_init(Object *obj, CXLDeviceState *cxl_dstate) +void cxl_device_register_block_init(Object *obj, CXLDeviceState *cxl_dstate, + CXLCCI *cci) { /* This will be a BAR, so needs to be rounded up to pow2 for PCI spec */ memory_region_init(&cxl_dstate->device_registers, obj, "device-registers", @@ -233,7 +248,7 @@ void cxl_device_register_block_init(Object *obj, CXLDeviceState *cxl_dstate) "cap-array", CXL_CAPS_SIZE); memory_region_init_io(&cxl_dstate->device, obj, &dev_ops, cxl_dstate, "device-status", CXL_DEVICE_STATUS_REGISTERS_LENGTH); - memory_region_init_io(&cxl_dstate->mailbox, obj, &mailbox_ops, cxl_dstate, + memory_region_init_io(&cxl_dstate->mailbox, obj, &mailbox_ops, cci, "mailbox", CXL_MAILBOX_REGISTERS_LENGTH); memory_region_init_io(&cxl_dstate->memory_device, obj, &mdev_ops, cxl_dstate, "memory device caps", @@ -284,8 +299,9 @@ static void mailbox_reg_init_common(CXLDeviceState *cxl_dstate) static void memdev_reg_init_common(CXLDeviceState *cxl_dstate) { } -void cxl_device_register_init_common(CXLDeviceState *cxl_dstate) +void cxl_device_register_init_t3(CXLType3Dev *ct3d) { + CXLDeviceState *cxl_dstate = &ct3d->cxl_dstate; uint64_t *cap_h = cxl_dstate->caps_reg_state64; const int cap_count = 3; @@ -303,7 +319,8 @@ void cxl_device_register_init_common(CXLDeviceState *cxl_dstate) cxl_device_cap_init(cxl_dstate, MEMORY_DEVICE, 0x4000, 1); memdev_reg_init_common(cxl_dstate); - cxl_initialize_mailbox(cxl_dstate); + cxl_initialize_mailbox_t3(&ct3d->cci, DEVICE(ct3d), + CXL_MAILBOX_MAX_PAYLOAD_SIZE); } uint64_t cxl_device_get_timestamp(CXLDeviceState *cxl_dstate) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index e5ddce37c7..5484dfbbf1 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -73,8 +73,9 @@ enum { static CXLRetCode cmd_events_get_records(const struct cxl_cmd *cmd, uint8_t *payload_in, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxlds) + CXLCCI *cci) { + CXLDeviceState *cxlds = &CXL_TYPE3(cci->d)->cxl_dstate; CXLGetEventPayload *pl; uint8_t log_type; int max_recs; @@ -102,8 +103,9 @@ static CXLRetCode cmd_events_clear_records(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxlds) + CXLCCI *cci) { + CXLDeviceState *cxlds = &CXL_TYPE3(cci->d)->cxl_dstate; CXLClearEventPayload *pl; pl = (CXLClearEventPayload *)payload_in; @@ -116,8 +118,9 @@ static CXLRetCode cmd_events_get_interrupt_policy(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxlds) + CXLCCI *cci) { + CXLDeviceState *cxlds = &CXL_TYPE3(cci->d)->cxl_dstate; CXLEventInterruptPolicy *policy; CXLEventLog *log; @@ -159,8 +162,9 @@ static CXLRetCode cmd_events_set_interrupt_policy(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxlds) + CXLCCI *cci) { + CXLDeviceState *cxlds = &CXL_TYPE3(cci->d)->cxl_dstate; CXLEventInterruptPolicy *policy; CXLEventLog *log; @@ -205,8 +209,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd, size_t len, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { + CXLDeviceState *cxl_dstate = &CXL_TYPE3(cci->d)->cxl_dstate; struct { uint8_t slots_supported; uint8_t slot_info; @@ -242,8 +247,9 @@ static CXLRetCode cmd_timestamp_get(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { + CXLDeviceState *cxl_dstate = &CXL_TYPE3(cci->d)->cxl_dstate; uint64_t final_time = cxl_device_get_timestamp(cxl_dstate); stq_le_p(payload_out, final_time); @@ -258,8 +264,10 @@ static CXLRetCode cmd_timestamp_set(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { + CXLDeviceState *cxl_dstate = &CXL_TYPE3(cci->d)->cxl_dstate; + cxl_dstate->timestamp.set = true; cxl_dstate->timestamp.last_set = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); @@ -281,7 +289,7 @@ static CXLRetCode cmd_logs_get_supported(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct { uint16_t entries; @@ -295,7 +303,7 @@ static CXLRetCode cmd_logs_get_supported(const struct cxl_cmd *cmd, supported_logs->entries = 1; supported_logs->log_entries[0].uuid = cel_uuid; - supported_logs->log_entries[0].size = 4 * cxl_dstate->cel_size; + supported_logs->log_entries[0].size = 4 * cci->cel_size; *len_out = sizeof(*supported_logs); return CXL_MBOX_SUCCESS; @@ -307,7 +315,7 @@ static CXLRetCode cmd_logs_get_log(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct { QemuUUID uuid; @@ -330,7 +338,7 @@ static CXLRetCode cmd_logs_get_log(const struct cxl_cmd *cmd, * the only possible failure would be if the mailbox itself isn't big * enough. */ - if (get_log->offset + get_log->length > cxl_dstate->payload_size) { + if (get_log->offset + get_log->length > cci->payload_max) { return CXL_MBOX_INVALID_INPUT; } @@ -341,8 +349,7 @@ static CXLRetCode cmd_logs_get_log(const struct cxl_cmd *cmd, /* Store off everything to local variables so we can wipe out the payload */ *len_out = get_log->length; - memmove(payload_out, cxl_dstate->cel_log + get_log->offset, - get_log->length); + memmove(payload_out, cci->cel_log + get_log->offset, get_log->length); return CXL_MBOX_SUCCESS; } @@ -353,7 +360,7 @@ static CXLRetCode cmd_identify_memory_device(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct { char fw_revision[0x10]; @@ -372,9 +379,9 @@ static CXLRetCode cmd_identify_memory_device(const struct cxl_cmd *cmd, uint8_t qos_telemetry_caps; } QEMU_PACKED *id; QEMU_BUILD_BUG_ON(sizeof(*id) != 0x43); - - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d); + CXLDeviceState *cxl_dstate = &ct3d->cxl_dstate; if ((!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER)) || (!QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER))) { @@ -407,8 +414,9 @@ static CXLRetCode cmd_ccls_get_partition_info(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { + CXLDeviceState *cxl_dstate = &CXL_TYPE3(cci->d)->cxl_dstate; struct { uint64_t active_vmem; uint64_t active_pmem; @@ -442,13 +450,13 @@ static CXLRetCode cmd_ccls_get_lsa(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct { uint32_t offset; uint32_t length; } QEMU_PACKED *get_lsa; - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d); uint32_t offset, length; @@ -470,7 +478,7 @@ static CXLRetCode cmd_ccls_set_lsa(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct set_lsa_pl { uint32_t offset; @@ -478,7 +486,7 @@ static CXLRetCode cmd_ccls_set_lsa(const struct cxl_cmd *cmd, uint8_t data[]; } QEMU_PACKED; struct set_lsa_pl *set_lsa_payload = (void *)payload_in; - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d); const size_t hdr_len = offsetof(struct set_lsa_pl, data); @@ -507,7 +515,7 @@ static CXLRetCode cmd_media_get_poison_list(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { struct get_poison_list_pl { uint64_t pa; @@ -529,7 +537,7 @@ static CXLRetCode cmd_media_get_poison_list(const struct cxl_cmd *cmd, struct get_poison_list_pl *in = (void *)payload_in; struct get_poison_list_out_pl *out = (void *)payload_out; - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); uint16_t record_count = 0, i = 0; uint64_t query_start, query_length; CXLPoisonList *poison_list = &ct3d->poison_list; @@ -586,9 +594,9 @@ static CXLRetCode cmd_media_inject_poison(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); CXLPoisonList *poison_list = &ct3d->poison_list; CXLPoison *ent; struct inject_poison_pl { @@ -629,9 +637,10 @@ static CXLRetCode cmd_media_clear_poison(const struct cxl_cmd *cmd, size_t len_in, uint8_t *payload_out, size_t *len_out, - CXLDeviceState *cxl_dstate) + CXLCCI *cci) { - CXLType3Dev *ct3d = container_of(cxl_dstate, CXLType3Dev, cxl_dstate); + CXLType3Dev *ct3d = CXL_TYPE3(cci->d); + CXLDeviceState *cxl_dstate = &ct3d->cxl_dstate; CXLPoisonList *poison_list = &ct3d->poison_list; CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d); struct clear_poison_pl { @@ -745,12 +754,13 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = { cmd_media_clear_poison, 72, 0 }, }; -void cxl_process_mailbox(CXLDeviceState *cxl_dstate) +void cxl_process_mailbox(CXLCCI *cci) { uint16_t ret = CXL_MBOX_SUCCESS; const struct cxl_cmd *cxl_cmd; uint64_t status_reg = 0; opcode_handler h; + CXLDeviceState *cxl_dstate = &CXL_TYPE3(cci->d)->cxl_dstate; uint64_t command_reg = cxl_dstate->mbox_reg_state64[R_CXL_DEV_MAILBOX_CMD]; uint8_t set = FIELD_EX64(command_reg, CXL_DEV_MAILBOX_CMD, COMMAND_SET); @@ -767,12 +777,12 @@ void cxl_process_mailbox(CXLDeviceState *cxl_dstate) pl_in_copy = g_memdup2(pl, len_in); /* Avoid stale data - including from earlier commands */ memset(pl, 0, CXL_MAILBOX_MAX_PAYLOAD_SIZE); - cxl_cmd = &cxl_dstate->cxl_cmd_set[set][cmd]; + cxl_cmd = &cci->cxl_cmd_set[set][cmd]; h = cxl_cmd->handler; if (h) { if (len_in == cxl_cmd->in || cxl_cmd->in == ~0) { - ret = (*h)(cxl_cmd, pl_in_copy, len_in, pl, &len_out, cxl_dstate); - assert(len_out <= cxl_dstate->payload_size); + ret = (*h)(cxl_cmd, pl, len_in, pl, &len_out, cci); + assert(len_out <= cci->payload_max); } else { ret = CXL_MBOX_INVALID_PAYLOAD_LENGTH; } @@ -798,20 +808,30 @@ void cxl_process_mailbox(CXLDeviceState *cxl_dstate) DOORBELL, 0); } -void cxl_initialize_mailbox(CXLDeviceState *cxl_dstate) +void cxl_init_cci(CXLCCI *cci, size_t payload_max) { - cxl_dstate->cxl_cmd_set = cxl_cmd_set; + cci->payload_max = payload_max; for (int set = 0; set < 256; set++) { for (int cmd = 0; cmd < 256; cmd++) { - if (cxl_dstate->cxl_cmd_set[set][cmd].handler) { - const struct cxl_cmd *c = &cxl_dstate->cxl_cmd_set[set][cmd]; + if (cci->cxl_cmd_set[set][cmd].handler) { + const struct cxl_cmd *c = &cci->cxl_cmd_set[set][cmd]; struct cel_log *log = - &cxl_dstate->cel_log[cxl_dstate->cel_size]; + &cci->cel_log[cci->cel_size]; log->opcode = (set << 8) | cmd; log->effect = c->effect; - cxl_dstate->cel_size++; + cci->cel_size++; } } } } + +void cxl_initialize_mailbox_t3(CXLCCI *cci, DeviceState *d, size_t payload_max) +{ + cci->cxl_cmd_set = cxl_cmd_set; + cci->d = d; + + /* No separation for PCI MB as protocol handled in PCI device */ + cci->intf = d; + cxl_init_cci(cci, payload_max); +} diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index 18ad853f5b..0529745786 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -716,7 +716,8 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) pci_dev, CXL_COMPONENT_REG_BAR_IDX, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, mr); - cxl_device_register_block_init(OBJECT(pci_dev), &ct3d->cxl_dstate); + cxl_device_register_block_init(OBJECT(pci_dev), &ct3d->cxl_dstate, + &ct3d->cci); pci_register_bar(pci_dev, CXL_DEVICE_REG_BAR_IDX, PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, @@ -922,7 +923,7 @@ static void ct3d_reset(DeviceState *dev) uint32_t *write_msk = ct3d->cxl_cstate.crb.cache_mem_regs_write_mask; cxl_component_register_init_common(reg_state, write_msk, CXL2_TYPE3_DEVICE); - cxl_device_register_init_common(&ct3d->cxl_dstate); + cxl_device_register_init_t3(ct3d); } static Property ct3_props[] = {