From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghava Aditya Renukunta Subject: [PATCH 12/24] aacraid: Retrieve Queue Depth from Adapter FW Date: Mon, 23 Jan 2017 10:08:56 -0800 Message-ID: <20170123180908.3465-13-RaghavaAditya.Renukunta@microsemi.com> References: <20170123180908.3465-1-RaghavaAditya.Renukunta@microsemi.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-dm3nam03on0042.outbound.protection.outlook.com ([104.47.41.42]:58429 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751838AbdAXArC (ORCPT ); Mon, 23 Jan 2017 19:47:02 -0500 In-Reply-To: <20170123180908.3465-1-RaghavaAditya.Renukunta@microsemi.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: David.Carroll@microsemi.com, Gana.Sridaran@microsemi.com, RaghavaAditya.Renukunta@microsemi.com, Scott.Banesh@microsemi.com Retrieved queue depth from fw and saved it for future use. Only applicable for HBA1000 drives. Signed-off-by: Raghava Aditya Renukunta Signed-off-by: Dave Carroll --- drivers/scsi/aacraid/aachba.c | 84 ++++++++++++++++++++++++++++++++++++++++- drivers/scsi/aacraid/aacraid.h | 85 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 167 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index e762c7b..10a26046 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1516,6 +1516,83 @@ static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) return aac_scsi_32(fib, cmd); } +int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target) +{ + struct fib *fibptr; + int rcode = -1; + u16 fibsize, datasize; + struct aac_srb *srbcmd; + struct sgmap64 *sg64; + struct aac_ciss_identify_pd *identify_resp; + dma_addr_t addr; + u32 vbus, vid; + u16 temp; + + fibptr = aac_fib_alloc(dev); + if (!fibptr) + return -ENOMEM; + + temp = AAC_MAX_LUN + target; + + fibsize = sizeof(struct aac_srb) - + sizeof(struct sgentry) + sizeof(struct sgentry64); + datasize = sizeof(struct aac_ciss_identify_pd); + + identify_resp = (struct aac_ciss_identify_pd *) + pci_alloc_consistent(dev->pdev, datasize, &addr); + + if (identify_resp != NULL) { + vbus = (u32)le16_to_cpu( + dev->supplement_adapter_info.VirtDeviceBus); + vid = (u32)le16_to_cpu( + dev->supplement_adapter_info.VirtDeviceTarget); + + aac_fib_init(fibptr); + srbcmd = (struct aac_srb *) fib_data(fibptr); + + srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); + srbcmd->channel = cpu_to_le32(vbus); + srbcmd->id = cpu_to_le32(vid); + srbcmd->lun = 0; + srbcmd->flags = cpu_to_le32(SRB_DataIn); + srbcmd->timeout = cpu_to_le32(10); + srbcmd->retry_limit = 0; + srbcmd->cdb_size = cpu_to_le32(12); + srbcmd->count = cpu_to_le32(datasize); + + memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); + srbcmd->cdb[0] = 0x26; + srbcmd->cdb[2] = (u8)(temp & 0x00FF); + + srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE; + + sg64 = (struct sgmap64 *)&srbcmd->sg; + sg64->count = cpu_to_le32(1); + sg64->sg[0].addr[1] = cpu_to_le32((u32)(((addr) >> 16) >> 16)); + sg64->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); + sg64->sg[0].count = cpu_to_le32(datasize); + + rcode = aac_fib_send(ScsiPortCommand64, + fibptr, fibsize, FsaNormal, 1, 1, NULL, NULL); + + if (identify_resp->current_queue_depth_limit <= 0 || + identify_resp->current_queue_depth_limit > 32) + dev->hba_map[bus][target].qd_limit = 32; + else + dev->hba_map[bus][target].qd_limit = + identify_resp->current_queue_depth_limit; + + pci_free_consistent(dev->pdev, datasize, + (void *)identify_resp, addr); + + aac_fib_complete(fibptr); + } + + aac_fib_free(fibptr); + + return rcode; +} + /** * aac_update hba_map()- update current hba map with data from FW * @dev: aac_dev structure @@ -1565,6 +1642,9 @@ void aac_update_hba_map(struct aac_dev *dev, if (devtype != AAC_DEVTYPE_NATIVE_RAW) goto update_devtype; + if (aac_issue_bmic_identify(dev, bus, target) < 0) + dev->hba_map[bus][target].qd_limit = 32; + update_devtype: dev->hba_map[bus][target].devtype = devtype; } @@ -1708,8 +1788,10 @@ int aac_get_adapter_info(struct aac_dev* dev) /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */ for (bus = 0; bus < AAC_MAX_BUSES; bus++) { - for (target = 0; target < AAC_MAX_TARGETS; target++) + for (target = 0; target < AAC_MAX_TARGETS; target++) { dev->hba_map[bus][target].devtype = 0; + dev->hba_map[bus][target].qd_limit = 0; + } } /* diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 03250b5..23c00ab 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -74,7 +74,7 @@ enum { #define AAC_NUM_IO_FIB (1024 - AAC_NUM_MGT_FIB) #define AAC_NUM_FIB (AAC_NUM_IO_FIB + AAC_NUM_MGT_FIB) -#define AAC_MAX_LUN (8) +#define AAC_MAX_LUN (256) #define AAC_MAX_HOSTPHYSMEMPAGES (0xfffff) #define AAC_MAX_32BIT_SGBCOUNT ((unsigned short)256) @@ -89,6 +89,7 @@ enum { #define CISS_REPORT_PHYSICAL_LUNS 0xc3 #define WRITE_HOST_WELLNESS 0xa5 +#define CISS_IDENTIFY_PHYSICAL_DEVICE 0x15 #define BMIC_IN 0x26 #define BMIC_OUT 0x27 @@ -110,6 +111,86 @@ struct aac_ciss_phys_luns_resp { */ #define AAC_MAX_HRRQ 64 +#pragma pack(1) + +struct aac_ciss_identify_pd { + u8 scsi_bus; /* SCSI Bus number on controller */ + u8 scsi_id; /* SCSI ID on this bus */ + u16 block_size; /* sector size in bytes */ + u32 total_blocks; /* number for sectors on drive */ + u32 reserved_blocks; /* controller reserved (RIS) */ + u8 model[40]; /* Physical Drive Model */ + u8 serial_number[40]; /* Drive Serial Number */ + u8 firmware_revision[8]; /* drive firmware revision */ + u8 scsi_inquiry_bits; /* inquiry byte 7 bits */ + u8 compaq_drive_stamp; /* 0 means drive not stamped */ + u8 last_failure_reason; + + u8 flags; + u8 more_flags; + u8 scsi_lun; /* SCSI LUN for phys drive */ + u8 yet_more_flags; + u8 even_more_flags; + u32 spi_speed_rules; /* SPI Speed :Ultra disable diagnose */ + u8 phys_connector[2]; /* connector number on controller */ + u8 phys_box_on_bus; /* phys enclosure this drive resides */ + u8 phys_bay_in_box; /* phys drv bay this drive resides */ + u32 rpm; /* Drive rotational speed in rpm */ + u8 device_type; /* type of drive */ + u8 sata_version; /* only valid when drive_type is SATA */ + u64 big_total_block_count; + u64 ris_starting_lba; + u32 ris_size; + u8 wwid[20]; + u8 controller_phy_map[32]; + u16 phy_count; + u8 phy_connected_dev_type[256]; + u8 phy_to_drive_bay_num[256]; + u16 phy_to_attached_dev_index[256]; + u8 box_index; + u8 spitfire_support; + u16 extra_physical_drive_flags; + u8 negotiated_link_rate[256]; + u8 phy_to_phy_map[256]; + u8 redundant_path_present_map; + u8 redundant_path_failure_map; + u8 active_path_number; + u16 alternate_paths_phys_connector[8]; + u8 alternate_paths_phys_box_on_port[8]; + u8 multi_lun_device_lun_count; + u8 minimum_good_fw_revision[8]; + u8 unique_inquiry_bytes[20]; + u8 current_temperature_degreesC; + u8 temperature_threshold_degreesC; + u8 max_temperature_degreesC; + u8 logical_blocks_per_phys_block_exp; /* phyblocksize = 512 * 2^exp */ + u16 current_queue_depth_limit; + u8 switch_name[10]; + u16 switch_port; + u8 alternate_paths_switch_name[40]; + u8 alternate_paths_switch_port[8]; + u16 power_on_hours; /* valid only if gas gauge supported */ + u16 percent_endurance_used; /* valid only if gas gauge supported. */ + u8 drive_authentication; + u8 smart_carrier_authentication; + u8 smart_carrier_app_fw_version; + u8 smart_carrier_bootloader_fw_version; + u8 SanitizeSecureEraseSupport; + u8 DriveKeyFlags; + u8 encryption_key_name[64]; + u32 misc_drive_flags; + u16 dek_index; + u16 drive_encryption_flags; + u8 sanitize_maximum_time[6]; + u8 connector_info_mode; + u8 connector_info_number[4]; + u8 long_connector_name[64]; + u8 device_unique_identifier[16]; + u8 padto_2K[17]; +}; + +#pragma pack() + /* * These macros convert from physical channels to virtual channels */ @@ -1032,6 +1113,7 @@ struct aac_hba_map_info { u8 devtype; /* device type */ u8 reset_state; /* 0 - no reset, 1..x - */ /* after xth TM LUN reset */ + u16 qd_limit; u8 expose; /*checks if to expose or not*/ }; @@ -2240,6 +2322,7 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor) int aac_acquire_irq(struct aac_dev *dev); void aac_free_irq(struct aac_dev *dev); int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr); +int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target); const char *aac_driverinfo(struct Scsi_Host *); void aac_fib_vector_assign(struct aac_dev *dev); struct fib *aac_fib_alloc(struct aac_dev *dev); -- 2.7.4