>From ab4925b27bd0717c287fe617e6343ea82cd5e6d0 Mon Sep 17 00:00:00 2001 From: Anand Kumar Santhanam <AnandKumar.Santhanam@xxxxxxxx> Date: Tue, 3 Sep 2013 15:32:05 +0530 Subject: [PATCH 3/5] pm80xx: Phy settings support for motherboard controller. Phy profile implementation to support phy settings feature for motherboard controllers.Display controller BIOS version. Signed-off-by: Anandkumar.Santhanam@xxxxxxxx --- drivers/scsi/pm8001/pm8001_ctl.c | 34 ++++++++++++++++++++ drivers/scsi/pm8001/pm8001_ctl.h | 2 + drivers/scsi/pm8001/pm8001_hwi.c | 10 ++++++ drivers/scsi/pm8001/pm8001_init.c | 28 +++++++++++++++++ drivers/scsi/pm8001/pm8001_sas.h | 3 +- drivers/scsi/pm8001/pm80xx_hwi.c | 61 +++++++++++++++++++++++++++++++++++- drivers/scsi/pm8001/pm80xx_hwi.h | 4 ++ 7 files changed, 139 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index d99f41c..5a19e19 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -309,6 +309,39 @@ static ssize_t pm8001_ctl_aap_log_show(struct device *cdev, } static DEVICE_ATTR(aap_log, S_IRUGO, pm8001_ctl_aap_log_show, NULL); /** + * pm8001_ctl_bios_version_show - Bios version Display + * @cdev:pointer to embedded class device + * @buf:the buffer returned + * A sysfs 'read-only' shost attribute. + */ +static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; + char *str = buf; + void *virt_addr; + int bios_index; + DECLARE_COMPLETION_ONSTACK(completion); + struct pm8001_ioctl_payload payload; + + pm8001_ha->nvmd_completion = &completion; + payload.minor_function = 7; + payload.offset = 0; + payload.length = 4096; + payload.func_specific = kzalloc(4096, GFP_KERNEL); + PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); + wait_for_completion(&completion); + virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr; + for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT; + bios_index++) + str += sprintf(str, "%c", + *((u8 *)((u8 *)virt_addr+bios_index))); + return str - buf; +} +static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); +/** * pm8001_ctl_aap_log_show - IOP event log * @cdev: pointer to embedded class device * @buf: the buffer returned @@ -609,6 +642,7 @@ struct device_attribute *pm8001_host_attrs[] = { &dev_attr_sas_spec_support, &dev_attr_logging_level, &dev_attr_host_sas_address, + &dev_attr_bios_version, NULL, }; diff --git a/drivers/scsi/pm8001/pm8001_ctl.h b/drivers/scsi/pm8001/pm8001_ctl.h index 63ad4aa..c6d8fdd 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.h +++ b/drivers/scsi/pm8001/pm8001_ctl.h @@ -45,6 +45,8 @@ #define HEADER_LEN 28 #define SIZE_OFFSET 16 +#define BIOSOFFSET 56 +#define BIOS_OFFSET_LIMIT 61 #define FLASH_OK 0x000000 #define FAIL_OPEN_BIOS_FILE 0x000100 diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 4a21957..2fd8c38 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4778,6 +4778,16 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo); break; } + case IOP_RDUMP: { + nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP); + nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length); + nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset); + nvmd_req.resp_addr_hi = + cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi); + nvmd_req.resp_addr_lo = + cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo); + break; + } default: break; } diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 09e557b..e697cee 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -667,6 +667,31 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) #endif } +/* + * pm8001_get_phy_settings_info : Read phy setting values. + * @pm8001_ha : our hba. + */ +void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) +{ + +#ifdef PM8001_READ_VPD + /*OPTION ROM FLASH read for the SPC cards */ + DECLARE_COMPLETION_ONSTACK(completion); + struct pm8001_ioctl_payload payload; + + pm8001_ha->nvmd_completion = &completion; + /* SAS ADDRESS read from flash / EEPROM */ + payload.minor_function = 6; + payload.offset = 0; + payload.length = 4096; + payload.func_specific = kzalloc(4096, GFP_KERNEL); + /* Read phy setting values from flash */ + PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); + wait_for_completion(&completion); + pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); +#endif +} + #ifdef PM8001_USE_MSIX /** * pm8001_setup_msix - enable MSI-X interrupt @@ -847,6 +872,9 @@ static int pm8001_pci_probe(struct pci_dev *pdev, } pm8001_init_sas_add(pm8001_ha); + /* phy setting support for motherboard controller */ + if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2) + pm8001_get_phy_settings_info(pm8001_ha); pm8001_post_sas_ha_init(shost, chip); rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); if (rc) diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index a4fe235..fcdc4d4 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -633,7 +633,8 @@ struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha, int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha); int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue); - +void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha, + u32 length, u8 *buf); /* ctl shared API */ extern struct device_attribute *pm8001_host_attrs[]; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 158e91d..70fa7d9 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -3104,9 +3104,27 @@ static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha, static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) { - PM8001_MSG_DBG(pm8001_ha, - pm8001_printk(" pm80xx_addition_functionality\n")); + u8 page_code; + struct set_phy_profile_resp *pPayload = + (struct set_phy_profile_resp *)(piomb + 4); + u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid); + u32 status = le32_to_cpu(pPayload->status); + page_code = (u8)((ppc_phyid & 0xFF00) >> 8); + if (status) { + /* status is FAILED */ + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("PhyProfile command failed with status " + "0x%08X \n", status)); + return -1; + } else { + if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) { + PM8001_FAIL_DBG(pm8001_ha, + pm8001_printk("Invalid page code 0x%X\n", + page_code)); + return -1; + } + } return 0; } @@ -4128,6 +4146,45 @@ pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec) return IRQ_HANDLED; } +void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, + u32 operation, u32 phyid, u32 length, u32 *buf) +{ + u32 tag , i, j = 0; + int rc; + struct set_phy_profile_req payload; + struct inbound_queue_table *circularQ; + u32 opc = OPC_INB_SET_PHY_PROFILE; + + memset(&payload, 0, sizeof(payload)); + rc = pm8001_tag_alloc(pm8001_ha, &tag); + if (rc) + PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n")); + circularQ = &pm8001_ha->inbnd_q_tbl[0]; + payload.tag = cpu_to_le32(tag); + payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid & 0xFF)); + PM8001_INIT_DBG(pm8001_ha, + pm8001_printk(" phy profile command for phy %x ,length is %d\n", + payload.ppc_phyid, length)); + for (i = length ; i < (length + PHY_DWORD_LENGTH - 1) ; i++) { + payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i)); + j++; + } + pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); +} + +void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha, + u32 length, u8 *buf) +{ + u32 page_code, i; + + page_code = SAS_PHY_ANALOG_SETTINGS_PAGE; + for (i = 0 ; i < pm8001_ha->chip->n_phy ; i++) { + mpi_set_phy_profile_req(pm8001_ha, + SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf); + length = length + PHY_DWORD_LENGTH; + } + PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n")); +} const struct pm8001_dispatch pm8001_80xx_dispatch = { .name = "pmc80xx", .chip_init = pm80xx_chip_init, diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index 9a9116d..872d5cf 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -170,6 +170,10 @@ #define LINKRATE_60 (0x06 << 8) #define LINKRATE_120 (0x08 << 8) +/* phy_profile */ +#define SAS_PHY_ANALOG_SETTINGS_PAGE 0x04 +#define PHY_DWORD_LENGTH 0xC + /* Thermal related */ #define THERMAL_ENABLE 0x1 #define THERMAL_LOG_ENABLE 0x1 -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html