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qlcnic: SR-IOV VF probe

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o Add PCI device entry for VF.
o Add HW operations for VF.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rajesh Borundia 2013-03-29 05:46:34 +00:00 committed by David S. Miller
parent 02feda1758
commit f846833164
8 changed files with 214 additions and 22 deletions
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35
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View File

@ -1523,6 +1523,9 @@ int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *);
void qlcnic_add_lb_filter(struct qlcnic_adapter *, struct sk_buff *, int,
__le16);
int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
int qlcnic_read_mac_addr(struct qlcnic_adapter *);
int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
/*
* QLOGIC Board information
*/
@ -1647,7 +1650,10 @@ static inline int qlcnic_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
static inline int qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
struct qlcnic_cmd_args *cmd)
{
return adapter->ahw->hw_ops->mbx_cmd(adapter, cmd);
if (adapter->ahw->hw_ops->mbx_cmd)
return adapter->ahw->hw_ops->mbx_cmd(adapter, cmd);
return -EIO;
}
static inline void qlcnic_get_func_no(struct qlcnic_adapter *adapter)
@ -1667,12 +1673,14 @@ static inline void qlcnic_api_unlock(struct qlcnic_adapter *adapter)
static inline void qlcnic_add_sysfs(struct qlcnic_adapter *adapter)
{
adapter->ahw->hw_ops->add_sysfs(adapter);
if (adapter->ahw->hw_ops->add_sysfs)
adapter->ahw->hw_ops->add_sysfs(adapter);
}
static inline void qlcnic_remove_sysfs(struct qlcnic_adapter *adapter)
{
adapter->ahw->hw_ops->remove_sysfs(adapter);
if (adapter->ahw->hw_ops->remove_sysfs)
adapter->ahw->hw_ops->remove_sysfs(adapter);
}
static inline void
@ -1790,12 +1798,14 @@ static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter,
u32 key)
{
adapter->nic_ops->request_reset(adapter, key);
if (adapter->nic_ops->request_reset)
adapter->nic_ops->request_reset(adapter, key);
}
static inline void qlcnic_cancel_idc_work(struct qlcnic_adapter *adapter)
{
adapter->nic_ops->cancel_idc_work(adapter);
if (adapter->nic_ops->cancel_idc_work)
adapter->nic_ops->cancel_idc_work(adapter);
}
static inline irqreturn_t
@ -1842,7 +1852,9 @@ extern const struct ethtool_ops qlcnic_ethtool_failed_ops;
} while (0)
#define PCI_DEVICE_ID_QLOGIC_QLE834X 0x8030
#define PCI_DEVICE_ID_QLOGIC_VF_QLE834X 0x8430
#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
static inline bool qlcnic_82xx_check(struct qlcnic_adapter *adapter)
{
unsigned short device = adapter->pdev->device;
@ -1852,7 +1864,12 @@ static inline bool qlcnic_82xx_check(struct qlcnic_adapter *adapter)
static inline bool qlcnic_83xx_check(struct qlcnic_adapter *adapter)
{
unsigned short device = adapter->pdev->device;
return (device == PCI_DEVICE_ID_QLOGIC_QLE834X) ? true : false;
bool status;
status = ((device == PCI_DEVICE_ID_QLOGIC_QLE834X) ||
(device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X)) ? true : false;
return status;
}
static inline bool qlcnic_sriov_pf_check(struct qlcnic_adapter *adapter)
@ -1860,4 +1877,10 @@ static inline bool qlcnic_sriov_pf_check(struct qlcnic_adapter *adapter)
return (adapter->ahw->op_mode == QLCNIC_SRIOV_PF_FUNC) ? true : false;
}
static inline bool qlcnic_sriov_vf_check(struct qlcnic_adapter *adapter)
{
unsigned short device = adapter->pdev->device;
return (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X) ? true : false;
}
#endif /* __QLCNIC_H_ */

20
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View File

@ -6,6 +6,7 @@
*/
#include "qlcnic.h"
#include "qlcnic_sriov.h"
#include <linux/if_vlan.h>
#include <linux/ipv6.h>
#include <linux/ethtool.h>
@ -212,7 +213,7 @@ static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = {
{QLCNIC_CMD_CONFIG_VPORT, 4, 4},
};
static const u32 qlcnic_83xx_ext_reg_tbl[] = {
const u32 qlcnic_83xx_ext_reg_tbl[] = {
0x38CC, /* Global Reset */
0x38F0, /* Wildcard */
0x38FC, /* Informant */
@ -258,7 +259,7 @@ static const u32 qlcnic_83xx_ext_reg_tbl[] = {
0x34A4, /* QLC_83XX_ASIC_TEMP */
};
static const u32 qlcnic_83xx_reg_tbl[] = {
const u32 qlcnic_83xx_reg_tbl[] = {
0x34A8, /* PEG_HALT_STAT1 */
0x34AC, /* PEG_HALT_STAT2 */
0x34B0, /* FW_HEARTBEAT */
@ -415,8 +416,11 @@ int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr)
return err;
if (adapter->flags & QLCNIC_MSIX_ENABLED)
num_msix = adapter->ahw->num_msix;
else
else {
if (qlcnic_sriov_vf_check(adapter))
return -EINVAL;
num_msix = 1;
}
/* setup interrupt mapping table for fw */
ahw->intr_tbl = vzalloc(num_msix *
sizeof(struct qlcnic_intrpt_config));
@ -649,7 +653,7 @@ int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter)
void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter)
{
u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT);
adapter->ahw->pci_func = val & 0xf;
adapter->ahw->pci_func = (val >> 24) & 0xff;
}
int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter)
@ -761,6 +765,11 @@ void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter,
ahw->fw_hal_version = 2;
qlcnic_get_func_no(adapter);
if (qlcnic_sriov_vf_check(adapter)) {
qlcnic_sriov_vf_set_ops(adapter);
return;
}
/* Determine function privilege level */
op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
if (op_mode == QLC_83XX_DEFAULT_OPMODE)
@ -1487,6 +1496,9 @@ void qlcnic_83xx_register_nic_idc_func(struct qlcnic_adapter *adapter,
struct qlcnic_cmd_args cmd;
int status;
if (qlcnic_sriov_vf_check(adapter))
return;
if (enable) {
qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INIT_NIC_FUNC);
cmd.req.arg[1] = BIT_0 | BIT_31;

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
View File

@ -419,7 +419,7 @@ int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *);
int qlcnic_83xx_flash_read32(struct qlcnic_adapter *, u32, u8 *, int);
int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *,
u32, u8 *, int);
int qlcnic_83xx_init(struct qlcnic_adapter *);
int qlcnic_83xx_init(struct qlcnic_adapter *, int);
int qlcnic_83xx_idc_ready_state_entry(struct qlcnic_adapter *);
int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev);
void qlcnic_83xx_idc_poll_dev_state(struct work_struct *);

6
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
View File

@ -5,6 +5,7 @@
* See LICENSE.qlcnic for copyright and licensing details.
*/
#include "qlcnic_sriov.h"
#include "qlcnic.h"
#include "qlcnic_hw.h"
@ -2045,10 +2046,13 @@ static void qlcnic_83xx_clear_function_resources(struct qlcnic_adapter *adapter)
}
}
int qlcnic_83xx_init(struct qlcnic_adapter *adapter)
int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (qlcnic_sriov_vf_check(adapter))
return qlcnic_sriov_vf_init(adapter, pci_using_dac);
if (qlcnic_83xx_check_hw_status(adapter))
return -EIO;

3
drivers/net/ethernet/qlogic/qlcnic/qlcnic_hdr.h
View File

@ -715,7 +715,8 @@ enum {
QLCNIC_PRIV_FUNC = 1,
QLCNIC_NON_PRIV_FUNC = 2,
QLCNIC_SRIOV_PF_FUNC = 3,
QLCNIC_UNKNOWN_FUNC_MODE = 4
QLCNIC_SRIOV_VF_FUNC = 4,
QLCNIC_UNKNOWN_FUNC_MODE = 5
};
enum {

30
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -110,6 +110,7 @@ static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
{0,}
};
@ -199,8 +200,7 @@ void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
recv_ctx->sds_rings = NULL;
}
static int
qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
{
u8 mac_addr[ETH_ALEN];
struct net_device *netdev = adapter->netdev;
@ -713,6 +713,7 @@ static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
*bar = QLCNIC_82XX_BAR0_LENGTH;
break;
case PCI_DEVICE_ID_QLOGIC_QLE834X:
case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
*bar = QLCNIC_83XX_BAR0_LENGTH;
break;
default:
@ -743,7 +744,7 @@ static int qlcnic_setup_pci_map(struct pci_dev *pdev,
return -EIO;
}
dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
ahw->pci_base0 = mem_ptr0;
ahw->pci_len0 = pci_len0;
@ -1678,7 +1679,7 @@ qlcnic_reset_context(struct qlcnic_adapter *adapter)
return err;
}
static int
int
qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
int pci_using_dac)
{
@ -1813,6 +1814,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
u32 capab2;
char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
if (pdev->is_virtfn)
return -ENODEV;
err = pci_enable_device(pdev);
if (err)
return err;
@ -1837,12 +1841,18 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!ahw)
goto err_out_free_res;
if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE824X) {
switch (ent->device) {
case PCI_DEVICE_ID_QLOGIC_QLE824X:
ahw->hw_ops = &qlcnic_hw_ops;
ahw->reg_tbl = (u32 *)qlcnic_reg_tbl;
} else if (ent->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
break;
case PCI_DEVICE_ID_QLOGIC_QLE834X:
qlcnic_83xx_register_map(ahw);
} else {
break;
case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
qlcnic_sriov_vf_register_map(ahw);
break;
default:
goto err_out_free_hw_res;
}
@ -1904,11 +1914,13 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
} else if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_check_vf(adapter, ent);
adapter->portnum = adapter->ahw->pci_func;
err = qlcnic_83xx_init(adapter);
err = qlcnic_83xx_init(adapter, pci_using_dac);
if (err) {
dev_err(&pdev->dev, "%s: failed\n", __func__);
goto err_out_free_hw;
}
if (qlcnic_sriov_vf_check(adapter))
return 0;
} else {
dev_err(&pdev->dev,
"%s: failed. Please Reboot\n", __func__);

6
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
View File

@ -12,6 +12,9 @@
#include <linux/types.h>
#include <linux/pci.h>
extern const u32 qlcnic_83xx_reg_tbl[];
extern const u32 qlcnic_83xx_ext_reg_tbl[];
struct qlcnic_resources {
u16 num_tx_mac_filters;
u16 num_rx_ucast_mac_filters;
@ -40,6 +43,9 @@ struct qlcnic_sriov {
int qlcnic_sriov_init(struct qlcnic_adapter *, int);
void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
{

134
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
View File

@ -7,8 +7,48 @@
#include "qlcnic_sriov.h"
#include "qlcnic.h"
#include "qlcnic_83xx_hw.h"
#include <linux/types.h>
static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = {
.read_crb = qlcnic_83xx_read_crb,
.write_crb = qlcnic_83xx_write_crb,
.read_reg = qlcnic_83xx_rd_reg_indirect,
.write_reg = qlcnic_83xx_wrt_reg_indirect,
.get_mac_address = qlcnic_83xx_get_mac_address,
.setup_intr = qlcnic_83xx_setup_intr,
.alloc_mbx_args = qlcnic_83xx_alloc_mbx_args,
.get_func_no = qlcnic_83xx_get_func_no,
.api_lock = qlcnic_83xx_cam_lock,
.api_unlock = qlcnic_83xx_cam_unlock,
.process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag,
.create_rx_ctx = qlcnic_83xx_create_rx_ctx,
.create_tx_ctx = qlcnic_83xx_create_tx_ctx,
.setup_link_event = qlcnic_83xx_setup_link_event,
.get_nic_info = qlcnic_83xx_get_nic_info,
.get_pci_info = qlcnic_83xx_get_pci_info,
.set_nic_info = qlcnic_83xx_set_nic_info,
.change_macvlan = qlcnic_83xx_sre_macaddr_change,
.napi_enable = qlcnic_83xx_napi_enable,
.napi_disable = qlcnic_83xx_napi_disable,
.config_intr_coal = qlcnic_83xx_config_intr_coal,
.config_rss = qlcnic_83xx_config_rss,
.config_hw_lro = qlcnic_83xx_config_hw_lro,
.config_promisc_mode = qlcnic_83xx_nic_set_promisc,
.change_l2_filter = qlcnic_83xx_change_l2_filter,
.get_board_info = qlcnic_83xx_get_port_info,
};
static struct qlcnic_nic_template qlcnic_sriov_vf_ops = {
.config_bridged_mode = qlcnic_config_bridged_mode,
.config_led = qlcnic_config_led,
.cancel_idc_work = qlcnic_83xx_idc_exit,
.napi_add = qlcnic_83xx_napi_add,
.napi_del = qlcnic_83xx_napi_del,
.config_ipaddr = qlcnic_83xx_config_ipaddr,
.clear_legacy_intr = qlcnic_83xx_clear_legacy_intr,
};
int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs)
{
struct qlcnic_sriov *sriov;
@ -33,8 +73,102 @@ void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter)
kfree(adapter->ahw->sriov);
}
static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter)
{
__qlcnic_sriov_cleanup(adapter);
}
void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter)
{
if (qlcnic_sriov_pf_check(adapter))
qlcnic_sriov_pf_cleanup(adapter);
if (qlcnic_sriov_vf_check(adapter))
qlcnic_sriov_vf_cleanup(adapter);
}
static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter,
int pci_using_dac)
{
int err;
if (!qlcnic_use_msi_x && !!qlcnic_use_msi)
dev_warn(&adapter->pdev->dev,
"83xx adapter do not support MSI interrupts\n");
err = qlcnic_setup_intr(adapter, 1);
if (err) {
dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n");
goto err_out_disable_msi;
}
err = qlcnic_83xx_setup_mbx_intr(adapter);
if (err)
goto err_out_disable_msi;
err = qlcnic_sriov_init(adapter, 1);
if (err)
goto err_out_disable_mbx_intr;
err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac);
if (err)
goto err_out_cleanup_sriov;
pci_set_drvdata(adapter->pdev, adapter);
dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
adapter->netdev->name);
return 0;
err_out_cleanup_sriov:
__qlcnic_sriov_cleanup(adapter);
err_out_disable_mbx_intr:
qlcnic_83xx_free_mbx_intr(adapter);
err_out_disable_msi:
qlcnic_teardown_intr(adapter);
return err;
}
int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
spin_lock_init(&ahw->mbx_lock);
set_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status);
ahw->msix_supported = 1;
if (qlcnic_sriov_setup_vf(adapter, pci_using_dac))
return -EIO;
if (qlcnic_read_mac_addr(adapter))
dev_warn(&adapter->pdev->dev, "failed to read mac addr\n");
set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status);
adapter->ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY;
adapter->ahw->reset_context = 0;
adapter->fw_fail_cnt = 0;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
adapter->need_fw_reset = 0;
return 0;
}
void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
ahw->op_mode = QLCNIC_SRIOV_VF_FUNC;
dev_info(&adapter->pdev->dev,
"HAL Version: %d Non Privileged SRIOV function\n",
ahw->fw_hal_version);
adapter->nic_ops = &qlcnic_sriov_vf_ops;
set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
return;
}
void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw)
{
ahw->hw_ops = &qlcnic_sriov_vf_hw_ops;
ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl;
ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl;
}