On 09/26/2013 11:04 AM, Sangeetha Gnanasekaran wrote: > Phy settings support is only for Motherboard controller. Firmware will > only initialize default values for all PHY in case of motherboard > controller. Hence, this is mandatory to add this support in all > motherboard controllers to configure their own settings.
I still think you'd better add a list for devices know to support phy setting similar as IS_SPC12G, there are some devices in the driver support list do not have default setting I suspect. Jack > > -----Original Message----- > From: Jack Wang [mailto:xjtu...@gmail.com] > Sent: Thursday, September 26, 2013 12:27 PM > To: Anand Kumar Santhanam > Cc: linux-scsi@vger.kernel.org; Sangeetha Gnanasekaran; Nikith > Ganigarakoppal; Viswas G > Subject: Re: [PATCH V2 05/10] pm80xx: Phy settings support for > motherboard controller. > > snip >> #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); > > Are you sure about this, have you checked all controller except device > with subsystem_vendorid is PCI_VENDOR_ID_ADAPTEC2 all support this > get_phy_setting_info funcion? > > Jack >> 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 68e1147..cbde11a 100644 >> --- a/drivers/scsi/pm8001/pm8001_sas.h >> +++ b/drivers/scsi/pm8001/pm8001_sas.h >> @@ -632,7 +632,8 @@ 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 99cec5f..e1ab320 100644 >> --- a/drivers/scsi/pm8001/pm80xx_hwi.c >> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c >> @@ -3131,9 +3131,27 @@ static int mpi_flash_op_ext_resp(struct >> pm8001_hba_info *pm8001_ha, void *piomb) static int > mpi_set_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 >> > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html