diff options
Diffstat (limited to 'drivers/net/fm10k/base/fm10k_api.c')
| -rw-r--r-- | drivers/net/fm10k/base/fm10k_api.c | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/drivers/net/fm10k/base/fm10k_api.c b/drivers/net/fm10k/base/fm10k_api.c new file mode 100644 index 00000000..c49d20df --- /dev/null +++ b/drivers/net/fm10k/base/fm10k_api.c @@ -0,0 +1,363 @@ +/******************************************************************************* + +Copyright (c) 2013 - 2015, Intel Corporation +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of the Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. + +***************************************************************************/ + +#include "fm10k_api.h" +#include "fm10k_common.h" + +/** + * fm10k_set_mac_type - Sets MAC type + * @hw: pointer to the HW structure + * + * This function sets the mac type of the adapter based on the + * vendor ID and device ID stored in the hw structure. + **/ +s32 fm10k_set_mac_type(struct fm10k_hw *hw) +{ + s32 ret_val = FM10K_SUCCESS; + + DEBUGFUNC("fm10k_set_mac_type"); + + if (hw->vendor_id != FM10K_INTEL_VENDOR_ID) { + ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED, + "Unsupported vendor id: %x\n", hw->vendor_id); + return FM10K_ERR_DEVICE_NOT_SUPPORTED; + } + + switch (hw->device_id) { + case FM10K_DEV_ID_PF: +#ifdef BOULDER_RAPIDS_HW + case FM10K_DEV_ID_SDI_FM10420_QDA2: +#endif /* BOULDER_RAPIDS_HW */ +#ifdef ATWOOD_CHANNEL_HW + case FM10K_DEV_ID_SDI_FM10420_DA2: +#endif /* ATWOOD_CHANNEL_HW */ + hw->mac.type = fm10k_mac_pf; + break; + case FM10K_DEV_ID_VF: + hw->mac.type = fm10k_mac_vf; + break; + default: + ret_val = FM10K_ERR_DEVICE_NOT_SUPPORTED; + ERROR_REPORT2(FM10K_ERROR_UNSUPPORTED, + "Unsupported device id: %x\n", + hw->device_id); + break; + } + + DEBUGOUT2("fm10k_set_mac_type found mac: %d, returns: %d\n", + hw->mac.type, ret_val); + + return ret_val; +} + +/** + * fm10k_init_shared_code - Initialize the shared code + * @hw: pointer to hardware structure + * + * This will assign function pointers and assign the MAC type and PHY code. + * Does not touch the hardware. This function must be called prior to any + * other function in the shared code. The fm10k_hw structure should be + * memset to 0 prior to calling this function. The following fields in + * hw structure should be filled in prior to calling this function: + * hw_addr, back, device_id, vendor_id, subsystem_device_id, + * subsystem_vendor_id, and revision_id + **/ +s32 fm10k_init_shared_code(struct fm10k_hw *hw) +{ + s32 status; + + DEBUGFUNC("fm10k_init_shared_code"); + + /* Set the mac type */ + fm10k_set_mac_type(hw); + + switch (hw->mac.type) { + case fm10k_mac_pf: + status = fm10k_init_ops_pf(hw); + break; + case fm10k_mac_vf: + status = fm10k_init_ops_vf(hw); + break; + default: + status = FM10K_ERR_DEVICE_NOT_SUPPORTED; + break; + } + + return status; +} + +#define fm10k_call_func(hw, func, params, error) \ + ((func) ? (func params) : (error)) + +/** + * fm10k_reset_hw - Reset the hardware to known good state + * @hw: pointer to hardware structure + * + * This function should return the hardware to a state similar to the + * one it is in after being powered on. + **/ +s32 fm10k_reset_hw(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.reset_hw, (hw), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_init_hw - Initialize the hardware + * @hw: pointer to hardware structure + * + * Initialize the hardware by resetting and then starting the hardware + **/ +s32 fm10k_init_hw(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.init_hw, (hw), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_stop_hw - Prepares hardware to shutdown Rx/Tx + * @hw: pointer to hardware structure + * + * Disables Rx/Tx queues and disables the DMA engine. + **/ +s32 fm10k_stop_hw(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.stop_hw, (hw), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_start_hw - Prepares hardware for Rx/Tx + * @hw: pointer to hardware structure + * + * This function sets the flags indicating that the hardware is ready to + * begin operation. + **/ +s32 fm10k_start_hw(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.start_hw, (hw), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_get_bus_info - Set PCI bus info + * @hw: pointer to hardware structure + * + * Sets the PCI bus info (speed, width, type) within the fm10k_hw structure + **/ +s32 fm10k_get_bus_info(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.get_bus_info, (hw), + FM10K_NOT_IMPLEMENTED); +} + +#ifndef NO_IS_SLOT_APPROPRIATE_CHECK +/** + * fm10k_is_slot_appropriate - Indicate appropriate slot for this SKU + * @hw: pointer to hardware structure + * + * Looks at the PCIe bus info to confirm whether or not this slot can support + * the necessary bandwidth for this device. + **/ +bool fm10k_is_slot_appropriate(struct fm10k_hw *hw) +{ + if (hw->mac.ops.is_slot_appropriate) + return hw->mac.ops.is_slot_appropriate(hw); + return true; +} + +#endif +/** + * fm10k_update_vlan - Clear VLAN ID to VLAN filter table + * @hw: pointer to hardware structure + * @vid: VLAN ID to add to table + * @idx: Index indicating VF ID or PF ID in table + * @set: Indicates if this is a set or clear operation + * + * This function adds or removes the corresponding VLAN ID from the VLAN + * filter table for the corresponding function. + **/ +s32 fm10k_update_vlan(struct fm10k_hw *hw, u32 vid, u8 idx, bool set) +{ + return fm10k_call_func(hw, hw->mac.ops.update_vlan, (hw, vid, idx, set), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_read_mac_addr - Reads MAC address + * @hw: pointer to hardware structure + * + * Reads the MAC address out of the interface and stores it in the HW + * structures. + **/ +s32 fm10k_read_mac_addr(struct fm10k_hw *hw) +{ + return fm10k_call_func(hw, hw->mac.ops.read_mac_addr, (hw), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_update_hw_stats - Update hw statistics + * @hw: pointer to hardware structure + * + * This function updates statistics that are related to hardware. + * */ +void fm10k_update_hw_stats(struct fm10k_hw *hw, struct fm10k_hw_stats *stats) +{ + if (hw->mac.ops.update_hw_stats) + hw->mac.ops.update_hw_stats(hw, stats); +} + +/** + * fm10k_rebind_hw_stats - Reset base for hw statistics + * @hw: pointer to hardware structure + * + * This function resets the base for statistics that are related to hardware. + * */ +void fm10k_rebind_hw_stats(struct fm10k_hw *hw, struct fm10k_hw_stats *stats) +{ + if (hw->mac.ops.rebind_hw_stats) + hw->mac.ops.rebind_hw_stats(hw, stats); +} + +/** + * fm10k_configure_dglort_map - Configures GLORT entry and queues + * @hw: pointer to hardware structure + * @dglort: pointer to dglort configuration structure + * + * Reads the configuration structure contained in dglort_cfg and uses + * that information to then populate a DGLORTMAP/DEC entry and the queues + * to which it has been assigned. + **/ +s32 fm10k_configure_dglort_map(struct fm10k_hw *hw, + struct fm10k_dglort_cfg *dglort) +{ + return fm10k_call_func(hw, hw->mac.ops.configure_dglort_map, + (hw, dglort), FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_set_dma_mask - Configures PhyAddrSpace to limit DMA to system + * @hw: pointer to hardware structure + * @dma_mask: 64 bit DMA mask required for platform + * + * This function configures the endpoint to limit the access to memory + * beyond what is physically in the system. + **/ +void fm10k_set_dma_mask(struct fm10k_hw *hw, u64 dma_mask) +{ + if (hw->mac.ops.set_dma_mask) + hw->mac.ops.set_dma_mask(hw, dma_mask); +} + +/** + * fm10k_get_fault - Record a fault in one of the interface units + * @hw: pointer to hardware structure + * @type: pointer to fault type register offset + * @fault: pointer to memory location to record the fault + * + * Record the fault register contents to the fault data structure and + * clear the entry from the register. + * + * Returns ERR_PARAM if invalid register is specified or no error is present. + **/ +s32 fm10k_get_fault(struct fm10k_hw *hw, int type, struct fm10k_fault *fault) +{ + return fm10k_call_func(hw, hw->mac.ops.get_fault, (hw, type, fault), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_update_uc_addr - Update device unicast address + * @hw: pointer to the HW structure + * @lport: logical port ID to update - unused + * @mac: MAC address to add/remove from table + * @vid: VLAN ID to add/remove from table + * @add: Indicates if this is an add or remove operation + * @flags: flags field to indicate add and secure - unused + * + * This function is used to add or remove unicast MAC addresses + **/ +s32 fm10k_update_uc_addr(struct fm10k_hw *hw, u16 lport, + const u8 *mac, u16 vid, bool add, u8 flags) +{ + return fm10k_call_func(hw, hw->mac.ops.update_uc_addr, + (hw, lport, mac, vid, add, flags), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_update_mc_addr - Update device multicast address + * @hw: pointer to the HW structure + * @lport: logical port ID to update - unused + * @mac: MAC address to add/remove from table + * @vid: VLAN ID to add/remove from table + * @add: Indicates if this is an add or remove operation + * + * This function is used to add or remove multicast MAC addresses + **/ +s32 fm10k_update_mc_addr(struct fm10k_hw *hw, u16 lport, + const u8 *mac, u16 vid, bool add) +{ + return fm10k_call_func(hw, hw->mac.ops.update_mc_addr, + (hw, lport, mac, vid, add), + FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_adjust_systime - Adjust systime frequency + * @hw: pointer to hardware structure + * @ppb: adjustment rate in parts per billion + * + * This function is meant to update the frequency of the clock represented + * by the SYSTIME register. + **/ +s32 fm10k_adjust_systime(struct fm10k_hw *hw, s32 ppb) +{ + return fm10k_call_func(hw, hw->mac.ops.adjust_systime, + (hw, ppb), FM10K_NOT_IMPLEMENTED); +} + +/** + * fm10k_notify_offset - Notify switch of change in PTP offset + * @hw: pointer to hardware structure + * @offset: 64bit unsigned offset from hardware SYSTIME value + * + * This function is meant to notify switch of change in the PTP offset for + * the hardware SYSTIME registers. + **/ +s32 fm10k_notify_offset(struct fm10k_hw *hw, u64 offset) +{ + return fm10k_call_func(hw, hw->mac.ops.notify_offset, + (hw, offset), FM10K_NOT_IMPLEMENTED); +} |