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d="scan'208";a="96674938" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 10 Dec 2020 13:34:27 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 10 Dec 2020 13:34:26 -0700 Received: from [127.0.1.1] (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Thu, 10 Dec 2020 13:34:26 -0700 Subject: [PATCH V3 01/25] smartpqi: add support for product id From: Don Brace To: , , , , , , , , , CC: Date: Thu, 10 Dec 2020 14:34:26 -0600 Message-ID: <160763246606.26927.4516545707455278972.stgit@brunhilda> In-Reply-To: <160763241302.26927.17487238067261230799.stgit@brunhilda> References: <160763241302.26927.17487238067261230799.stgit@brunhilda> User-Agent: StGit/0.23-dirty MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Kevin Barnett Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Reviewed-by: Martin Wilck --- drivers/scsi/smartpqi/smartpqi.h | 11 ++++++++++- drivers/scsi/smartpqi/smartpqi_init.c | 11 +++++++++-- drivers/scsi/smartpqi/smartpqi_sis.c | 5 +++++ drivers/scsi/smartpqi/smartpqi_sis.h | 1 + 4 files changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 3e54590e6e92..7d3f956e949f 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -79,7 +79,8 @@ struct pqi_ctrl_registers { __le32 sis_ctrl_to_host_doorbell_clear; /* A0h */ u8 reserved4[0xb0 - (0xa0 + sizeof(__le32))]; __le32 sis_driver_scratch; /* B0h */ - u8 reserved5[0xbc - (0xb0 + sizeof(__le32))]; + __le32 sis_product_identifier; /* B4h */ + u8 reserved5[0xbc - (0xb4 + sizeof(__le32))]; __le32 sis_firmware_status; /* BCh */ u8 reserved6[0x1000 - (0xbc + sizeof(__le32))]; __le32 sis_mailbox[8]; /* 1000h */ @@ -585,6 +586,7 @@ struct pqi_raid_error_info { /* these values are defined by the PQI spec */ #define PQI_MAX_NUM_ELEMENTS_ADMIN_QUEUE 255 #define PQI_MAX_NUM_ELEMENTS_OPERATIONAL_QUEUE 65535 + #define PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT 64 #define PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT 16 #define PQI_ADMIN_INDEX_ALIGNMENT 64 @@ -1082,6 +1084,11 @@ struct pqi_event { (PQI_RESERVED_IO_SLOTS_LUN_RESET + PQI_RESERVED_IO_SLOTS_EVENT_ACK + \ PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS) +#define PQI_CTRL_PRODUCT_ID_GEN1 0 +#define PQI_CTRL_PRODUCT_ID_GEN2 7 +#define PQI_CTRL_PRODUCT_REVISION_A 0 +#define PQI_CTRL_PRODUCT_REVISION_B 1 + struct pqi_ctrl_info { unsigned int ctrl_id; struct pci_dev *pci_dev; @@ -1089,6 +1096,8 @@ struct pqi_ctrl_info { char serial_number[17]; char model[17]; char vendor[9]; + u8 product_id; + u8 product_revision; void __iomem *iomem_base; struct pqi_ctrl_registers __iomem *registers; struct pqi_device_registers __iomem *pqi_registers; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index c53f456fbd09..68fc4327944e 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -6259,8 +6259,8 @@ static DEVICE_ATTR(model, 0444, pqi_model_show, NULL); static DEVICE_ATTR(serial_number, 0444, pqi_serial_number_show, NULL); static DEVICE_ATTR(vendor, 0444, pqi_vendor_show, NULL); static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); -static DEVICE_ATTR(lockup_action, 0644, - pqi_lockup_action_show, pqi_lockup_action_store); +static DEVICE_ATTR(lockup_action, 0644, pqi_lockup_action_show, + pqi_lockup_action_store); static struct device_attribute *pqi_shost_attrs[] = { &dev_attr_driver_version, @@ -7146,6 +7146,7 @@ static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) { int rc; + u32 product_id; if (reset_devices) { sis_soft_reset(ctrl_info); @@ -7182,6 +7183,10 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) return rc; } + product_id = sis_get_product_id(ctrl_info); + ctrl_info->product_id = (u8)product_id; + ctrl_info->product_revision = (u8)(product_id >> 8); + if (reset_devices) { if (ctrl_info->max_outstanding_requests > PQI_MAX_OUTSTANDING_REQUESTS_KDUMP) @@ -8602,6 +8607,8 @@ static void __attribute__((unused)) verify_structures(void) sis_ctrl_to_host_doorbell_clear) != 0xa0); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_driver_scratch) != 0xb0); + BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, + sis_product_identifier) != 0xb4); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_firmware_status) != 0xbc); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index 26ea6b9d4199..f0199bd87dd1 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -149,6 +149,11 @@ bool sis_is_kernel_up(struct pqi_ctrl_info *ctrl_info) SIS_CTRL_KERNEL_UP; } +u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info) +{ + return readl(&ctrl_info->registers->sis_product_identifier); +} + /* used for passing command parameters/results when issuing SIS commands */ struct sis_sync_cmd_params { u32 mailbox[6]; /* mailboxes 0-5 */ diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h index 878d34ca6532..12cd2ab1aead 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.h +++ b/drivers/scsi/smartpqi/smartpqi_sis.h @@ -27,5 +27,6 @@ int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info); void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value); u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info); void sis_soft_reset(struct pqi_ctrl_info *ctrl_info); +u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info); #endif /* _SMARTPQI_SIS_H */