From: Dave Olson Date: Tue, 8 Jan 2008 10:36:46 +0000 (-0800) Subject: IB/ipath: Add new chip-specific functions to older chips, consistent init X-Git-Tag: v2.6.25-rc1~1234^2~13 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4bce8032ef4368063c84d665b19804878d63e7c;p=linux-2.6 IB/ipath: Add new chip-specific functions to older chips, consistent init This adds the new (sometimes empty) chip-specific functions to the older chips, and makes the initialization and related functions consistent across all 3 chips. Signed-off-by: Dave Olson Signed-off-by: Roland Dreier --- diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h index aa780e7f24..0fa43ba25b 100644 --- a/drivers/infiniband/hw/ipath/ipath_common.h +++ b/drivers/infiniband/hw/ipath/ipath_common.h @@ -81,6 +81,16 @@ #define IPATH_IB_LINK_LOOPBACK 6 /* enable local loopback */ #define IPATH_IB_LINK_EXTERNAL 7 /* normal, disable local loopback */ +/* + * These 3 values (SDR and DDR may be ORed for auto-speed + * negotiation) are used for the 3rd argument to path_f_set_ib_cfg + * with cmd IPATH_IB_CFG_SPD_ENB, by direct calls or via sysfs. They + * are also the the possible values for ipath_link_speed_enabled and active + * The values were chosen to match values used within the IB spec. + */ +#define IPATH_IB_SDR 1 +#define IPATH_IB_DDR 2 + /* * stats maintained by the driver. For now, at least, this is global * to all minor devices. diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c index ac436c630b..9e2ced3cdc 100644 --- a/drivers/infiniband/hw/ipath/ipath_iba6110.c +++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c @@ -329,6 +329,9 @@ static const struct ipath_cregs ipath_ht_cregs = { #define INFINIPATH_HWE_HTAPLL_RFSLIP 0x1000000000000000ULL #define INFINIPATH_HWE_SERDESPLLFAILED 0x2000000000000000ULL +#define IBA6110_IBCS_LINKTRAININGSTATE_MASK 0xf +#define IBA6110_IBCS_LINKSTATE_SHIFT 4 + /* kr_extstatus bits */ #define INFINIPATH_EXTS_FREQSEL 0x2 #define INFINIPATH_EXTS_SERDESSEL 0x4 @@ -705,7 +708,6 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name, "with ID %u\n", boardrev); snprintf(name, namelen, "Unknown_InfiniPath_QHT7xxx_%u", boardrev); - ret = 1; break; } if (n) @@ -1137,11 +1139,49 @@ static void ipath_setup_ht_setextled(struct ipath_devdata *dd, static void ipath_init_ht_variables(struct ipath_devdata *dd) { + /* + * setup the register offsets, since they are different for each + * chip + */ + dd->ipath_kregs = &ipath_ht_kregs; + dd->ipath_cregs = &ipath_ht_cregs; + dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM; dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM; dd->ipath_gpio_sda = IPATH_GPIO_SDA; dd->ipath_gpio_scl = IPATH_GPIO_SCL; + /* + * Fill in data for field-values that change in newer chips. + * We dynamically specify only the mask for LINKTRAININGSTATE + * and only the shift for LINKSTATE, as they are the only ones + * that change. Also precalculate the 3 link states of interest + * and the combined mask. + */ + dd->ibcs_ls_shift = IBA6110_IBCS_LINKSTATE_SHIFT; + dd->ibcs_lts_mask = IBA6110_IBCS_LINKTRAININGSTATE_MASK; + dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK << + dd->ibcs_ls_shift) | dd->ibcs_lts_mask; + dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift); + dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift); + dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift); + + /* + * Fill in data for ibcc field-values that change in newer chips. + * We dynamically specify only the mask for LINKINITCMD + * and only the shift for LINKCMD and MAXPKTLEN, as they are + * the only ones that change. + */ + dd->ibcc_lic_mask = INFINIPATH_IBCC_LINKINITCMD_MASK; + dd->ibcc_lc_shift = INFINIPATH_IBCC_LINKCMD_SHIFT; + dd->ibcc_mpl_shift = INFINIPATH_IBCC_MAXPKTLEN_SHIFT; + /* Fill in shifts for RcvCtrl. */ dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT; dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT; @@ -1204,6 +1244,8 @@ static void ipath_init_ht_variables(struct ipath_devdata *dd) dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK; dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK; + dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT; + dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT; /* * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity. @@ -1217,9 +1259,17 @@ static void ipath_init_ht_variables(struct ipath_devdata *dd) INFINIPATH_HWE_RXEMEMPARITYERR_MASK << INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT; - dd->ipath_eep_st_masks[2].errs_to_log = - INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET; + dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET; + dd->delay_mult = 2; /* SDR, 4X, can't change */ + + dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X; + dd->ipath_link_speed_supported = IPATH_IB_SDR; + dd->ipath_link_width_enabled = IB_WIDTH_4X; + dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported; + /* these can't change for this chip, so set once */ + dd->ipath_link_width_active = dd->ipath_link_width_enabled; + dd->ipath_link_speed_active = dd->ipath_link_speed_enabled; } /** @@ -1281,6 +1331,9 @@ static void ipath_ht_init_hwerrors(struct ipath_devdata *dd) dd->ipath_hwerrmask = val; } + + + /** * ipath_ht_bringup_serdes - bring up the serdes * @dd: the infinipath device @@ -1439,6 +1492,7 @@ static void ipath_ht_put_tid(struct ipath_devdata *dd, pa |= lenvalid | INFINIPATH_RT_VALID; } } + writeq(pa, tidptr); } @@ -1644,6 +1698,13 @@ static void ipath_ht_free_irq(struct ipath_devdata *dd) dd->ipath_intconfig = 0; } +static struct ipath_message_header * +ipath_ht_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr) +{ + return (struct ipath_message_header *) + &rhf_addr[sizeof(u64) / sizeof(u32)]; +} + static void ipath_ht_config_ports(struct ipath_devdata *dd, ushort cfgports) { dd->ipath_portcnt = @@ -1757,6 +1818,90 @@ static void ipath_ht_read_counters(struct ipath_devdata *dd, cntrs->RxDlidFltrCnt = 0; } + +/* no interrupt fallback for these chips */ +static int ipath_ht_nointr_fallback(struct ipath_devdata *dd) +{ + return 0; +} + + +/* + * reset the XGXS (between serdes and IBC). Slightly less intrusive + * than resetting the IBC or external link state, and useful in some + * cases to cause some retraining. To do this right, we reset IBC + * as well. + */ +static void ipath_ht_xgxs_reset(struct ipath_devdata *dd) +{ + u64 val, prev_val; + + prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig); + val = prev_val | INFINIPATH_XGXS_RESET; + prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */ + ipath_write_kreg(dd, dd->ipath_kregs->kr_control, + dd->ipath_control & ~INFINIPATH_C_LINKENABLE); + ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val); + ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch); + ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val); + ipath_write_kreg(dd, dd->ipath_kregs->kr_control, + dd->ipath_control); +} + + +static int ipath_ht_get_ib_cfg(struct ipath_devdata *dd, int which) +{ + int ret; + + switch (which) { + case IPATH_IB_CFG_LWID: + ret = dd->ipath_link_width_active; + break; + case IPATH_IB_CFG_SPD: + ret = dd->ipath_link_speed_active; + break; + case IPATH_IB_CFG_LWID_ENB: + ret = dd->ipath_link_width_enabled; + break; + case IPATH_IB_CFG_SPD_ENB: + ret = dd->ipath_link_speed_enabled; + break; + default: + ret = -ENOTSUPP; + break; + } + return ret; +} + + +/* we assume range checking is already done, if needed */ +static int ipath_ht_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val) +{ + int ret = 0; + + if (which == IPATH_IB_CFG_LWID_ENB) + dd->ipath_link_width_enabled = val; + else if (which == IPATH_IB_CFG_SPD_ENB) + dd->ipath_link_speed_enabled = val; + else + ret = -ENOTSUPP; + return ret; +} + + +static void ipath_ht_config_jint(struct ipath_devdata *dd, u16 a, u16 b) +{ +} + + +static int ipath_ht_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs) +{ + ipath_setup_ht_setextled(dd, ipath_ib_linkstate(dd, ibcs), + ipath_ib_linktrstate(dd, ibcs)); + return 0; +} + + /** * ipath_init_iba6110_funcs - set up the chip-specific function pointers * @dd: the infinipath device @@ -1781,24 +1926,19 @@ void ipath_init_iba6110_funcs(struct ipath_devdata *dd) dd->ipath_f_setextled = ipath_setup_ht_setextled; dd->ipath_f_get_base_info = ipath_ht_get_base_info; dd->ipath_f_free_irq = ipath_ht_free_irq; + dd->ipath_f_tidtemplate = ipath_ht_tidtemplate; + dd->ipath_f_intr_fallback = ipath_ht_nointr_fallback; + dd->ipath_f_get_msgheader = ipath_ht_get_msgheader; dd->ipath_f_config_ports = ipath_ht_config_ports; dd->ipath_f_read_counters = ipath_ht_read_counters; + dd->ipath_f_xgxs_reset = ipath_ht_xgxs_reset; + dd->ipath_f_get_ib_cfg = ipath_ht_get_ib_cfg; + dd->ipath_f_set_ib_cfg = ipath_ht_set_ib_cfg; + dd->ipath_f_config_jint = ipath_ht_config_jint; + dd->ipath_f_ib_updown = ipath_ht_ib_updown; /* * initialize chip-specific variables */ - dd->ipath_f_tidtemplate = ipath_ht_tidtemplate; - - /* - * setup the register offsets, since they are different for each - * chip - */ - dd->ipath_kregs = &ipath_ht_kregs; - dd->ipath_cregs = &ipath_ht_cregs; - - /* - * do very early init that is needed before ipath_f_bus is - * called - */ ipath_init_ht_variables(dd); } diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c index 57915fd718..597192e912 100644 --- a/drivers/infiniband/hw/ipath/ipath_iba6120.c +++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c @@ -329,6 +329,9 @@ static const struct ipath_cregs ipath_pe_cregs = { #define INFINIPATH_HWE_PCIE0PLLFAILED 0x0800000000000000ULL #define INFINIPATH_HWE_SERDESPLLFAILED 0x1000000000000000ULL +#define IBA6120_IBCS_LINKTRAININGSTATE_MASK 0xf +#define IBA6120_IBCS_LINKSTATE_SHIFT 4 + /* kr_extstatus bits */ #define INFINIPATH_EXTS_FREQSEL 0x2 #define INFINIPATH_EXTS_SERDESSEL 0x4 @@ -936,11 +939,26 @@ static int ipath_setup_pe_config(struct ipath_devdata *dd, else ipath_dev_err(dd, "Can't find PCI Express " "capability!\n"); + + dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X; + dd->ipath_link_speed_supported = IPATH_IB_SDR; + dd->ipath_link_width_enabled = IB_WIDTH_4X; + dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported; + /* these can't change for this chip, so set once */ + dd->ipath_link_width_active = dd->ipath_link_width_enabled; + dd->ipath_link_speed_active = dd->ipath_link_speed_enabled; return 0; } static void ipath_init_pe_variables(struct ipath_devdata *dd) { + /* + * setup the register offsets, since they are different for each + * chip + */ + dd->ipath_kregs = &ipath_pe_kregs; + dd->ipath_cregs = &ipath_pe_cregs; + /* * bits for selecting i2c direction and values, * used for I2C serial flash @@ -950,6 +968,37 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd) dd->ipath_gpio_sda = IPATH_GPIO_SDA; dd->ipath_gpio_scl = IPATH_GPIO_SCL; + /* + * Fill in data for field-values that change in newer chips. + * We dynamically specify only the mask for LINKTRAININGSTATE + * and only the shift for LINKSTATE, as they are the only ones + * that change. Also precalculate the 3 link states of interest + * and the combined mask. + */ + dd->ibcs_ls_shift = IBA6120_IBCS_LINKSTATE_SHIFT; + dd->ibcs_lts_mask = IBA6120_IBCS_LINKTRAININGSTATE_MASK; + dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK << + dd->ibcs_ls_shift) | dd->ibcs_lts_mask; + dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift); + dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift); + dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP << + INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | + (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift); + + /* + * Fill in data for ibcc field-values that change in newer chips. + * We dynamically specify only the mask for LINKINITCMD + * and only the shift for LINKCMD and MAXPKTLEN, as they are + * the only ones that change. + */ + dd->ibcc_lic_mask = INFINIPATH_IBCC_LINKINITCMD_MASK; + dd->ibcc_lc_shift = INFINIPATH_IBCC_LINKCMD_SHIFT; + dd->ibcc_mpl_shift = INFINIPATH_IBCC_MAXPKTLEN_SHIFT; + /* Fill in shifts for RcvCtrl. */ dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT; dd->ipath_r_intravail_shift = INFINIPATH_R_INTRAVAIL_SHIFT; @@ -1003,6 +1052,8 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd) dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK; dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK; + dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT; + dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT; /* * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity. @@ -1024,6 +1075,7 @@ static void ipath_init_pe_variables(struct ipath_devdata *dd) INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET; + dd->delay_mult = 2; /* SDR, 4X, can't change */ } /* setup the MSI stuff again after a reset. I'd like to just call @@ -1329,6 +1381,9 @@ static int ipath_pe_early_init(struct ipath_devdata *dd) */ dd->ipath_rcvhdrentsize = 24; dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE; + dd->ipath_rhf_offset = 0; + dd->ipath_egrtidbase = (u64 __iomem *) + ((char __iomem *) dd->ipath_kregbase + dd->ipath_rcvegrbase); /* * To truly support a 4KB MTU (for usermode), we need to @@ -1399,6 +1454,14 @@ static void ipath_pe_free_irq(struct ipath_devdata *dd) dd->ipath_irq = 0; } + +static struct ipath_message_header * +ipath_pe_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr) +{ + return (struct ipath_message_header *) + &rhf_addr[sizeof(u64) / sizeof(u32)]; +} + static void ipath_pe_config_ports(struct ipath_devdata *dd, ushort cfgports) { dd->ipath_portcnt = @@ -1534,6 +1597,88 @@ static int ipath_pe_txe_recover(struct ipath_devdata *dd) return 1; } +/* no interrupt fallback for these chips */ +static int ipath_pe_nointr_fallback(struct ipath_devdata *dd) +{ + return 0; +} + + +/* + * reset the XGXS (between serdes and IBC). Slightly less intrusive + * than resetting the IBC or external link state, and useful in some + * cases to cause some retraining. To do this right, we reset IBC + * as well. + */ +static void ipath_pe_xgxs_reset(struct ipath_devdata *dd) +{ + u64 val, prev_val; + + prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig); + val = prev_val | INFINIPATH_XGXS_RESET; + prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */ + ipath_write_kreg(dd, dd->ipath_kregs->kr_control, + dd->ipath_control & ~INFINIPATH_C_LINKENABLE); + ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val); + ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch); + ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val); + ipath_write_kreg(dd, dd->ipath_kregs->kr_control, + dd->ipath_control); +} + + +static int ipath_pe_get_ib_cfg(struct ipath_devdata *dd, int which) +{ + int ret; + + switch (which) { + case IPATH_IB_CFG_LWID: + ret = dd->ipath_link_width_active; + break; + case IPATH_IB_CFG_SPD: + ret = dd->ipath_link_speed_active; + break; + case IPATH_IB_CFG_LWID_ENB: + ret = dd->ipath_link_width_enabled; + break; + case IPATH_IB_CFG_SPD_ENB: + ret = dd->ipath_link_speed_enabled; + break; + default: + ret = -ENOTSUPP; + break; + } + return ret; +} + + +/* we assume range checking is already done, if needed */ +static int ipath_pe_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val) +{ + int ret = 0; + + if (which == IPATH_IB_CFG_LWID_ENB) + dd->ipath_link_width_enabled = val; + else if (which == IPATH_IB_CFG_SPD_ENB) + dd->ipath_link_speed_enabled = val; + else + ret = -ENOTSUPP; + return ret; +} + +static void ipath_pe_config_jint(struct ipath_devdata *dd, u16 a, u16 b) +{ +} + + +static int ipath_pe_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs) +{ + ipath_setup_pe_setextled(dd, ipath_ib_linkstate(dd, ibcs), + ipath_ib_linktrstate(dd, ibcs)); + return 0; +} + + /** * ipath_init_iba6120_funcs - set up the chip-specific function pointers * @dd: the infinipath device @@ -1554,7 +1699,7 @@ void ipath_init_iba6120_funcs(struct ipath_devdata *dd) dd->ipath_f_bringup_serdes = ipath_pe_bringup_serdes; dd->ipath_f_clear_tids = ipath_pe_clear_tids; /* - * this may get changed after we read the chip revision, + * _f_put_tid may get changed after we read the chip revision, * but we start with the safe version for all revs */ dd->ipath_f_put_tid = ipath_pe_put_tid; @@ -1562,19 +1707,19 @@ void ipath_init_iba6120_funcs(struct ipath_devdata *dd) dd->ipath_f_setextled = ipath_setup_pe_setextled; dd->ipath_f_get_base_info = ipath_pe_get_base_info; dd->ipath_f_free_irq = ipath_pe_free_irq; - - /* initialize chip-specific variables */ dd->ipath_f_tidtemplate = ipath_pe_tidtemplate; + dd->ipath_f_intr_fallback = ipath_pe_nointr_fallback; + dd->ipath_f_xgxs_reset = ipath_pe_xgxs_reset; + dd->ipath_f_get_msgheader = ipath_pe_get_msgheader; dd->ipath_f_config_ports = ipath_pe_config_ports; dd->ipath_f_read_counters = ipath_pe_read_counters; + dd->ipath_f_get_ib_cfg = ipath_pe_get_ib_cfg; + dd->ipath_f_set_ib_cfg = ipath_pe_set_ib_cfg; + dd->ipath_f_config_jint = ipath_pe_config_jint; + dd->ipath_f_ib_updown = ipath_pe_ib_updown; - /* - * setup the register offsets, since they are different for each - * chip - */ - dd->ipath_kregs = &ipath_pe_kregs; - dd->ipath_cregs = &ipath_pe_cregs; + /* initialize chip-specific variables */ ipath_init_pe_variables(dd); } diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index c0ecda35f2..6a5fe01573 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -191,6 +191,22 @@ struct ipath_skbinfo { dma_addr_t phys; }; +/* + * Possible IB config parameters for ipath_f_get/set_ib_cfg() + */ +#define IPATH_IB_CFG_LIDLMC 0 /* Get/set LID (LS16b) and Mask (MS16b) */ +#define IPATH_IB_CFG_HRTBT 1 /* Get/set Heartbeat off/enable/auto */ +#define IPATH_IB_HRTBT_ON 3 /* Heartbeat enabled, sent every 100msec */ +#define IPATH_IB_HRTBT_OFF 0 /* Heartbeat off */ +#define IPATH_IB_CFG_LWID_ENB 2 /* Get/set allowed Link-width */ +#define IPATH_IB_CFG_LWID 3 /* Get currently active Link-width */ +#define IPATH_IB_CFG_SPD_ENB 4 /* Get/set allowed Link speeds */ +#define IPATH_IB_CFG_SPD 5 /* Get current Link spd */ +#define IPATH_IB_CFG_RXPOL_ENB 6 /* Get/set Auto-RX-polarity enable */ +#define IPATH_IB_CFG_LREV_ENB 7 /* Get/set Auto-Lane-reversal enable */ +#define IPATH_IB_CFG_LINKLATENCY 8 /* Get Auto-Lane-reversal enable */ + + struct ipath_devdata { struct list_head ipath_list; @@ -231,6 +247,8 @@ struct ipath_devdata { struct _ipath_layer ipath_layer; /* setup intr */ int (*ipath_f_intrsetup)(struct ipath_devdata *); + /* fallback to alternate interrupt type if possible */ + int (*ipath_f_intr_fallback)(struct ipath_devdata *); /* setup on-chip bus config */ int (*ipath_f_bus)(struct ipath_devdata *, struct pci_dev *); /* hard reset chip */ @@ -253,9 +271,18 @@ struct ipath_devdata { int (*ipath_f_get_base_info)(struct ipath_portdata *, void *); /* free irq */ void (*ipath_f_free_irq)(struct ipath_devdata *); + struct ipath_message_header *(*ipath_f_get_msgheader) + (struct ipath_devdata *, __le32 *); void (*ipath_f_config_ports)(struct ipath_devdata *, ushort); + int (*ipath_f_get_ib_cfg)(struct ipath_devdata *, int); + int (*ipath_f_set_ib_cfg)(struct ipath_devdata *, int, u32); + void (*ipath_f_config_jint)(struct ipath_devdata *, u16 , u16); void (*ipath_f_read_counters)(struct ipath_devdata *, - struct infinipath_counters *); + struct infinipath_counters *); + void (*ipath_f_xgxs_reset)(struct ipath_devdata *); + /* per chip actions needed for IB Link up/down changes */ + int (*ipath_f_ib_updown)(struct ipath_devdata *, int, u64); + struct ipath_ibdev *verbs_dev; struct timer_list verbs_timer; /* total dwords sent (summed from counter) */ @@ -375,6 +402,7 @@ struct ipath_devdata { struct page **ipath_pageshadow; /* shadow copy of dma handles for exp tid pages */ dma_addr_t *ipath_physshadow; + u64 __iomem *ipath_egrtidbase; /* lock to workaround chip bug 9437 */ spinlock_t ipath_tid_lock; spinlock_t ipath_sendctrl_lock; @@ -565,6 +593,14 @@ struct ipath_devdata { u8 ipath_pci_cacheline; /* LID mask control */ u8 ipath_lmc; + /* link width supported */ + u8 ipath_link_width_supported; + /* link speed supported */ + u8 ipath_link_speed_supported; + u8 ipath_link_width_enabled; + u8 ipath_link_speed_enabled; + u8 ipath_link_width_active; + u8 ipath_link_speed_active; /* Rx Polarity inversion (compensate for ~tx on partner) */ u8 ipath_rx_pol_inv; @@ -599,6 +635,8 @@ struct ipath_devdata { */ u32 ipath_i_rcvavail_mask; u32 ipath_i_rcvurg_mask; + u16 ipath_i_rcvurg_shift; + u16 ipath_i_rcvavail_shift; /* * Register bits for selecting i2c direction and values, used for @@ -612,6 +650,29 @@ struct ipath_devdata { /* lock for doing RMW of shadows/regs for ExtCtrl and GPIO */ spinlock_t ipath_gpio_lock; + /* + * IB link and linktraining states and masks that vary per chip in + * some way. Set at init, to avoid each IB status change interrupt + */ + u8 ibcs_ls_shift; + u8 ibcs_lts_mask; + u32 ibcs_mask; + u32 ib_init; + u32 ib_arm; + u32 ib_active; + + u16 ipath_rhf_offset; /* offset of RHF within receive header entry */ + + /* + * shift/mask for linkcmd, linkinitcmd, maxpktlen in ibccontol + * reg. Changes for IBA7220 + */ + u8 ibcc_lic_mask; /* LinkInitCmd */ + u8 ibcc_lc_shift; /* LinkCmd */ + u8 ibcc_mpl_shift; /* Maxpktlen */ + + u8 delay_mult; + /* used to override LED behavior */ u8 ipath_led_override; /* Substituted for normal value, if non-zero */ u16 ipath_led_override_timeoff; /* delta to next timer event */ @@ -639,6 +700,10 @@ struct ipath_devdata { * each of the counters to increment. */ struct ipath_eep_log_mask ipath_eep_st_masks[IPATH_EEP_LOG_CNT]; + + /* interrupt mitigation reload register info */ + u16 ipath_jint_idle_ticks; /* idle clock ticks */ + u16 ipath_jint_max_packets; /* max packets across all ports */ }; /* Private data for file operations */ @@ -937,6 +1002,27 @@ static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r) ipath_read_kreg64(dd, r) : ipath_read_kreg32(dd, r); } +/* + * from contents of IBCStatus (or a saved copy), return linkstate + * Report ACTIVE_DEFER as ACTIVE, because we treat them the same + * everywhere, anyway (and should be, for almost all purposes). + */ +static inline u32 ipath_ib_linkstate(struct ipath_devdata *dd, u64 ibcs) +{ + u32 state = (u32)(ibcs >> dd->ibcs_ls_shift) & + INFINIPATH_IBCS_LINKSTATE_MASK; + if (state == INFINIPATH_IBCS_L_STATE_ACT_DEFER) + state = INFINIPATH_IBCS_L_STATE_ACTIVE; + return state; +} + +/* from contents of IBCStatus (or a saved copy), return linktrainingstate */ +static inline u32 ipath_ib_linktrstate(struct ipath_devdata *dd, u64 ibcs) +{ + return (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) & + dd->ibcs_lts_mask; +} + /* * sysfs interface. */