diff options
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.c | 58 | ||||
| -rw-r--r-- | drivers/infiniband/hw/nes/nes.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.h | 2 |
4 files changed, 63 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 30c93db5a74..a2b04d62b1a 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -91,6 +91,10 @@ unsigned int nes_debug_level = 0; module_param_named(debug_level, nes_debug_level, uint, 0644); MODULE_PARM_DESC(debug_level, "Enable debug output level"); +unsigned int wqm_quanta = 0x10000; +module_param(wqm_quanta, int, 0644); +MODULE_PARM_DESC(wqm_quanta, "WQM quanta"); + LIST_HEAD(nes_adapter_list); static LIST_HEAD(nes_dev_list); @@ -557,6 +561,7 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i goto bail5; } nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval; + nesdev->nesadapter->wqm_quanta = wqm_quanta; /* nesdev->base_doorbell_index = nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */ @@ -1069,6 +1074,55 @@ static ssize_t nes_store_idx_data(struct device_driver *ddp, return strnlen(buf, count); } + +/** + * nes_show_wqm_quanta + */ +static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf) +{ + u32 wqm_quanta_value = 0xdead; + u32 i = 0; + struct nes_device *nesdev; + + list_for_each_entry(nesdev, &nes_dev_list, list) { + if (i == ee_flsh_adapter) { + wqm_quanta_value = nesdev->nesadapter->wqm_quanta; + break; + } + i++; + } + + return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta); +} + + +/** + * nes_store_wqm_quanta + */ +static ssize_t nes_store_wqm_quanta(struct device_driver *ddp, + const char *buf, size_t count) +{ + unsigned long wqm_quanta_value; + u32 wqm_config1; + u32 i = 0; + struct nes_device *nesdev; + + strict_strtoul(buf, 0, &wqm_quanta_value); + list_for_each_entry(nesdev, &nes_dev_list, list) { + if (i == ee_flsh_adapter) { + nesdev->nesadapter->wqm_quanta = wqm_quanta_value; + wqm_config1 = nes_read_indexed(nesdev, + NES_IDX_WQM_CONFIG1); + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, + ((wqm_quanta_value << 1) | + (wqm_config1 & 0x00000001))); + break; + } + i++; + } + return strnlen(buf, count); +} + static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR, nes_show_adapter, nes_store_adapter); static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR, @@ -1087,6 +1141,8 @@ static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR, nes_show_idx_addr, nes_store_idx_addr); static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR, nes_show_idx_data, nes_store_idx_data); +static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR, + nes_show_wqm_quanta, nes_store_wqm_quanta); static int nes_create_driver_sysfs(struct pci_driver *drv) { @@ -1100,6 +1156,7 @@ static int nes_create_driver_sysfs(struct pci_driver *drv) error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data); error |= driver_create_file(&drv->driver, &driver_attr_idx_addr); error |= driver_create_file(&drv->driver, &driver_attr_idx_data); + error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta); return error; } @@ -1114,6 +1171,7 @@ static void nes_remove_driver_sysfs(struct pci_driver *drv) driver_remove_file(&drv->driver, &driver_attr_nonidx_data); driver_remove_file(&drv->driver, &driver_attr_idx_addr); driver_remove_file(&drv->driver, &driver_attr_idx_data); + driver_remove_file(&drv->driver, &driver_attr_wqm_quanta); } /** diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index 8eb7ae96974..1595dc7bba9 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -169,7 +169,7 @@ extern int disable_mpa_crc; extern unsigned int send_first; extern unsigned int nes_drv_opt; extern unsigned int nes_debug_level; - +extern unsigned int wqm_quanta; extern struct list_head nes_adapter_list; extern atomic_t cm_connects; diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index bdd98e66f43..0e259a8b307 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -861,7 +861,8 @@ static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_cou nes_write_indexed(nesdev, 0x00005000, 0x00018000); /* nes_write_indexed(nesdev, 0x00005000, 0x00010000); */ - nes_write_indexed(nesdev, 0x00005004, 0x00020001); + nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, (wqm_quanta << 1) | + 0x00000001); nes_write_indexed(nesdev, 0x00005008, 0x1F1F1F1F); nes_write_indexed(nesdev, 0x00005010, 0x1F1F1F1F); nes_write_indexed(nesdev, 0x00005018, 0x1F1F1F1F); diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index fc0f063ce24..82d06766ad5 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -156,6 +156,7 @@ enum indexed_regs { NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI = 0x7004, NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO = 0x7008, NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI = 0x700c, + NES_IDX_WQM_CONFIG1 = 0x5004, NES_IDX_CM_CONFIG = 0x5100, NES_IDX_NIC_LOGPORT_TO_PHYPORT = 0x6000, NES_IDX_NIC_PHYPORT_TO_USW = 0x6008, @@ -1079,6 +1080,7 @@ struct nes_adapter { u32 et_rx_max_coalesced_frames_high; u32 et_rate_sample_interval; u32 timer_int_limit; + u32 wqm_quanta; /* Adapter base MAC address */ u32 mac_addr_low; 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