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Tsirkin" , Igor Mammedov CC: , Ben Widawsky , "Peter Maydell" , , "Shameerali Kolothum Thodi" , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , "Dan Williams" Subject: [PATCH v5 25/43] hw/cxl/device: Add some trivial commands Date: Wed, 2 Feb 2022 14:10:19 +0000 Message-ID: <20220202141037.17352-26-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220202141037.17352-1-Jonathan.Cameron@huawei.com> References: <20220202141037.17352-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml743-chm.china.huawei.com (10.201.108.193) To lhreml710-chm.china.huawei.com (10.201.108.61) 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reply-to: Jonathan Cameron X-Patchwork-Original-From: Jonathan Cameron via From: Jonathan Cameron From: Ben Widawsky GET_FW_INFO and GET_PARTITION_INFO, for this emulation, is equivalent to info already returned in the IDENTIFY command. To have a more robust implementation, add those. Signed-off-by: Ben Widawsky Signed-off-by: Jonathan Cameron --- v5: Follow through on rework of how mailbox handlers are done. hw/cxl/cxl-mailbox-utils.c | 69 +++++++++++++++++++++++++++++++++++++- 1 file changed, 68 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 808faec114..d022711b2a 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -44,6 +44,8 @@ enum { #define CLEAR_RECORDS 0x1 #define GET_INTERRUPT_POLICY 0x2 #define SET_INTERRUPT_POLICY 0x3 + FIRMWARE_UPDATE = 0x02, + #define GET_INFO 0x0 TIMESTAMP = 0x03, #define GET 0x0 #define SET 0x1 @@ -52,6 +54,8 @@ enum { #define GET_LOG 0x1 IDENTIFY = 0x40, #define MEMORY_DEVICE 0x0 + CCLS = 0x41, + #define GET_PARTITION_INFO 0x0 }; /* 8.2.8.4.5.1 Command Return Codes */ @@ -114,6 +118,39 @@ DEFINE_MAILBOX_HANDLER_NOP(events_clear_records); DEFINE_MAILBOX_HANDLER_ZEROED(events_get_interrupt_policy, 4); DEFINE_MAILBOX_HANDLER_NOP(events_set_interrupt_policy); +/* 8.2.9.2.1 */ +static ret_code cmd_firmware_update_get_info(struct cxl_cmd *cmd, + CXLDeviceState *cxl_dstate, + uint16_t *len) +{ + struct { + uint8_t slots_supported; + uint8_t slot_info; + uint8_t caps; + uint8_t rsvd[0xd]; + char fw_rev1[0x10]; + char fw_rev2[0x10]; + char fw_rev3[0x10]; + char fw_rev4[0x10]; + } __attribute__((packed)) *fw_info; + _Static_assert(sizeof(*fw_info) == 0x50, "Bad firmware info size"); + + if (cxl_dstate->pmem_size < (256 << 20)) { + return CXL_MBOX_INTERNAL_ERROR; + } + + fw_info = (void *)cmd->payload; + memset(fw_info, 0, sizeof(*fw_info)); + + fw_info->slots_supported = 2; + fw_info->slot_info = BIT(0) | BIT(3); + fw_info->caps = 0; + snprintf(fw_info->fw_rev1, 0x10, "BWFW VERSION %02d", 0); + + *len = sizeof(*fw_info); + return CXL_MBOX_SUCCESS; +} + /* 8.2.9.3.1 */ static ret_code cmd_timestamp_get(struct cxl_cmd *cmd, CXLDeviceState *cxl_dstate, @@ -260,6 +297,33 @@ static ret_code cmd_identify_memory_device(struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +static ret_code cmd_ccls_get_partition_info(struct cxl_cmd *cmd, + CXLDeviceState *cxl_dstate, + uint16_t *len) +{ + struct { + uint64_t active_vmem; + uint64_t active_pmem; + uint64_t next_vmem; + uint64_t next_pmem; + } __attribute__((packed)) *part_info = (void *)cmd->payload; + _Static_assert(sizeof(*part_info) == 0x20, "Bad get partition info size"); + uint64_t size = cxl_dstate->pmem_size; + + if (!QEMU_IS_ALIGNED(size, 256 << 20)) { + return CXL_MBOX_INTERNAL_ERROR; + } + + /* PMEM only */ + part_info->active_vmem = 0; + part_info->next_vmem = 0; + part_info->active_pmem = size / (256 << 20); + part_info->next_pmem = part_info->active_pmem; + + *len = sizeof(*part_info); + return CXL_MBOX_SUCCESS; +} + #define IMMEDIATE_CONFIG_CHANGE (1 << 1) #define IMMEDIATE_POLICY_CHANGE (1 << 3) #define IMMEDIATE_LOG_CHANGE (1 << 4) @@ -273,15 +337,18 @@ static struct cxl_cmd cxl_cmd_set[256][256] = { cmd_events_get_interrupt_policy, 0, 0 }, [EVENTS][SET_INTERRUPT_POLICY] = { "EVENTS_SET_INTERRUPT_POLICY", cmd_events_set_interrupt_policy, 4, IMMEDIATE_CONFIG_CHANGE }, + [FIRMWARE_UPDATE][GET_INFO] = { "FIRMWARE_UPDATE_GET_INFO", + cmd_firmware_update_get_info, 0, 0 }, [TIMESTAMP][GET] = { "TIMESTAMP_GET", cmd_timestamp_get, 0, 0 }, [TIMESTAMP][SET] = { "TIMESTAMP_SET", cmd_timestamp_set, 8, IMMEDIATE_POLICY_CHANGE }, [LOGS][GET_SUPPORTED] = { "LOGS_GET_SUPPORTED", cmd_logs_get_supported, 0, 0 }, [LOGS][GET_LOG] = { "LOGS_GET_LOG", cmd_logs_get_log, 0x18, 0 }, [IDENTIFY][MEMORY_DEVICE] = { "IDENTIFY_MEMORY_DEVICE", cmd_identify_memory_device, 0, 0 }, + [CCLS][GET_PARTITION_INFO] = { "CCLS_GET_PARTITION_INFO", + cmd_ccls_get_partition_info, 0, 0 }, }; - void cxl_process_mailbox(CXLDeviceState *cxl_dstate) { uint16_t ret = CXL_MBOX_SUCCESS;