qed_main.c 37.9 KB
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/* QLogic qed NIC Driver
 * Copyright (c) 2015 QLogic Corporation
 *
 * This software is available under the terms of the GNU General Public License
 * (GPL) Version 2, available from the file COPYING in the main directory of
 * this source tree.
 */

#include <linux/stddef.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/version.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/dma-mapping.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/ethtool.h>
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
#include <linux/qed/qed_if.h>
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#include <linux/qed/qed_ll2_if.h>
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#include "qed.h"
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#include "qed_sriov.h"
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#include "qed_sp.h"
#include "qed_dev_api.h"
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#include "qed_ll2.h"
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#include "qed_mcp.h"
#include "qed_hw.h"
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#include "qed_selftest.h"
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#define QED_ROCE_QPS			(8192)
#define QED_ROCE_DPIS			(8)

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static char version[] =
	"QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
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MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);

#define FW_FILE_VERSION				\
	__stringify(FW_MAJOR_VERSION) "."	\
	__stringify(FW_MINOR_VERSION) "."	\
	__stringify(FW_REVISION_VERSION) "."	\
	__stringify(FW_ENGINEERING_VERSION)

#define QED_FW_FILE_NAME	\
	"qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"

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MODULE_FIRMWARE(QED_FW_FILE_NAME);

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static int __init qed_init(void)
{
	pr_info("%s", version);

	return 0;
}

static void __exit qed_cleanup(void)
{
	pr_notice("qed_cleanup called\n");
}

module_init(qed_init);
module_exit(qed_cleanup);

/* Check if the DMA controller on the machine can properly handle the DMA
 * addressing required by the device.
*/
static int qed_set_coherency_mask(struct qed_dev *cdev)
{
	struct device *dev = &cdev->pdev->dev;

	if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
		if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
			DP_NOTICE(cdev,
				  "Can't request 64-bit consistent allocations\n");
			return -EIO;
		}
	} else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
		DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
		return -EIO;
	}

	return 0;
}

static void qed_free_pci(struct qed_dev *cdev)
{
	struct pci_dev *pdev = cdev->pdev;

	if (cdev->doorbells)
		iounmap(cdev->doorbells);
	if (cdev->regview)
		iounmap(cdev->regview);
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

	pci_disable_device(pdev);
}

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#define PCI_REVISION_ID_ERROR_VAL	0xff

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/* Performs PCI initializations as well as initializing PCI-related parameters
 * in the device structrue. Returns 0 in case of success.
 */
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static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
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{
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	u8 rev_id;
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	int rc;

	cdev->pdev = pdev;

	rc = pci_enable_device(pdev);
	if (rc) {
		DP_NOTICE(cdev, "Cannot enable PCI device\n");
		goto err0;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
		DP_NOTICE(cdev, "No memory region found in bar #0\n");
		rc = -EIO;
		goto err1;
	}

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	if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
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		DP_NOTICE(cdev, "No memory region found in bar #2\n");
		rc = -EIO;
		goto err1;
	}

	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, "qed");
		if (rc) {
			DP_NOTICE(cdev,
				  "Failed to request PCI memory resources\n");
			goto err1;
		}
		pci_set_master(pdev);
		pci_save_state(pdev);
	}

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	pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
	if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
		DP_NOTICE(cdev,
			  "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
			  rev_id);
		rc = -ENODEV;
		goto err2;
	}
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	if (!pci_is_pcie(pdev)) {
		DP_NOTICE(cdev, "The bus is not PCI Express\n");
		rc = -EIO;
		goto err2;
	}

	cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
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	if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
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		DP_NOTICE(cdev, "Cannot find power management capability\n");

	rc = qed_set_coherency_mask(cdev);
	if (rc)
		goto err2;

	cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
	cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
	cdev->pci_params.irq = pdev->irq;

	cdev->regview = pci_ioremap_bar(pdev, 0);
	if (!cdev->regview) {
		DP_NOTICE(cdev, "Cannot map register space, aborting\n");
		rc = -ENOMEM;
		goto err2;
	}

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	if (IS_PF(cdev)) {
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		cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
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		cdev->db_size = pci_resource_len(cdev->pdev, 2);
		cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
		if (!cdev->doorbells) {
			DP_NOTICE(cdev, "Cannot map doorbell space\n");
			return -ENOMEM;
		}
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	}

	return 0;

err2:
	pci_release_regions(pdev);
err1:
	pci_disable_device(pdev);
err0:
	return rc;
}

int qed_fill_dev_info(struct qed_dev *cdev,
		      struct qed_dev_info *dev_info)
{
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	struct qed_ptt  *ptt;

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	memset(dev_info, 0, sizeof(struct qed_dev_info));

	dev_info->num_hwfns = cdev->num_hwfns;
	dev_info->pci_mem_start = cdev->pci_params.mem_start;
	dev_info->pci_mem_end = cdev->pci_params.mem_end;
	dev_info->pci_irq = cdev->pci_params.irq;
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	dev_info->rdma_supported = (cdev->hwfns[0].hw_info.personality ==
				    QED_PCI_ETH_ROCE);
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	dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
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	ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);

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	if (IS_PF(cdev)) {
		dev_info->fw_major = FW_MAJOR_VERSION;
		dev_info->fw_minor = FW_MINOR_VERSION;
		dev_info->fw_rev = FW_REVISION_VERSION;
		dev_info->fw_eng = FW_ENGINEERING_VERSION;
		dev_info->mf_mode = cdev->mf_mode;
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		dev_info->tx_switching = true;
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	} else {
		qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
				      &dev_info->fw_minor, &dev_info->fw_rev,
				      &dev_info->fw_eng);
	}
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	if (IS_PF(cdev)) {
		ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
		if (ptt) {
			qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
					    &dev_info->mfw_rev, NULL);
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			qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
					       &dev_info->flash_size);
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			qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
		}
	} else {
		qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
				    &dev_info->mfw_rev, NULL);
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	}

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	dev_info->mtu = QED_LEADING_HWFN(cdev)->hw_info.mtu;

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	return 0;
}

static void qed_free_cdev(struct qed_dev *cdev)
{
	kfree((void *)cdev);
}

static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
{
	struct qed_dev *cdev;

	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
	if (!cdev)
		return cdev;

	qed_init_struct(cdev);

	return cdev;
}

/* Sets the requested power state */
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static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
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{
	if (!cdev)
		return -ENODEV;

	DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
	return 0;
}

/* probing */
static struct qed_dev *qed_probe(struct pci_dev *pdev,
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				 struct qed_probe_params *params)
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{
	struct qed_dev *cdev;
	int rc;

	cdev = qed_alloc_cdev(pdev);
	if (!cdev)
		goto err0;

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	cdev->protocol = params->protocol;
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	if (params->is_vf)
		cdev->b_is_vf = true;

	qed_init_dp(cdev, params->dp_module, params->dp_level);
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	rc = qed_init_pci(cdev, pdev);
	if (rc) {
		DP_ERR(cdev, "init pci failed\n");
		goto err1;
	}
	DP_INFO(cdev, "PCI init completed successfully\n");

	rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
	if (rc) {
		DP_ERR(cdev, "hw prepare failed\n");
		goto err2;
	}

	DP_INFO(cdev, "qed_probe completed successffuly\n");

	return cdev;

err2:
	qed_free_pci(cdev);
err1:
	qed_free_cdev(cdev);
err0:
	return NULL;
}

static void qed_remove(struct qed_dev *cdev)
{
	if (!cdev)
		return;

	qed_hw_remove(cdev);

	qed_free_pci(cdev);

	qed_set_power_state(cdev, PCI_D3hot);

	qed_free_cdev(cdev);
}

static void qed_disable_msix(struct qed_dev *cdev)
{
	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
		pci_disable_msix(cdev->pdev);
		kfree(cdev->int_params.msix_table);
	} else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
		pci_disable_msi(cdev->pdev);
	}

	memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
}

static int qed_enable_msix(struct qed_dev *cdev,
			   struct qed_int_params *int_params)
{
	int i, rc, cnt;

	cnt = int_params->in.num_vectors;

	for (i = 0; i < cnt; i++)
		int_params->msix_table[i].entry = i;

	rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
				   int_params->in.min_msix_cnt, cnt);
	if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
	    (rc % cdev->num_hwfns)) {
		pci_disable_msix(cdev->pdev);

		/* If fastpath is initialized, we need at least one interrupt
		 * per hwfn [and the slow path interrupts]. New requested number
		 * should be a multiple of the number of hwfns.
		 */
		cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
		DP_NOTICE(cdev,
			  "Trying to enable MSI-X with less vectors (%d out of %d)\n",
			  cnt, int_params->in.num_vectors);
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		rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
					   cnt);
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		if (!rc)
			rc = cnt;
	}

	if (rc > 0) {
		/* MSI-x configuration was achieved */
		int_params->out.int_mode = QED_INT_MODE_MSIX;
		int_params->out.num_vectors = rc;
		rc = 0;
	} else {
		DP_NOTICE(cdev,
			  "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
			  cnt, rc);
	}

	return rc;
}

/* This function outputs the int mode and the number of enabled msix vector */
static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
{
	struct qed_int_params *int_params = &cdev->int_params;
	struct msix_entry *tbl;
	int rc = 0, cnt;

	switch (int_params->in.int_mode) {
	case QED_INT_MODE_MSIX:
		/* Allocate MSIX table */
		cnt = int_params->in.num_vectors;
		int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
		if (!int_params->msix_table) {
			rc = -ENOMEM;
			goto out;
		}

		/* Enable MSIX */
		rc = qed_enable_msix(cdev, int_params);
		if (!rc)
			goto out;

		DP_NOTICE(cdev, "Failed to enable MSI-X\n");
		kfree(int_params->msix_table);
		if (force_mode)
			goto out;
		/* Fallthrough */

	case QED_INT_MODE_MSI:
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		if (cdev->num_hwfns == 1) {
			rc = pci_enable_msi(cdev->pdev);
			if (!rc) {
				int_params->out.int_mode = QED_INT_MODE_MSI;
				goto out;
			}

			DP_NOTICE(cdev, "Failed to enable MSI\n");
			if (force_mode)
				goto out;
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		}
		/* Fallthrough */

	case QED_INT_MODE_INTA:
			int_params->out.int_mode = QED_INT_MODE_INTA;
			rc = 0;
			goto out;
	default:
		DP_NOTICE(cdev, "Unknown int_mode value %d\n",
			  int_params->in.int_mode);
		rc = -EINVAL;
	}

out:
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	if (!rc)
		DP_INFO(cdev, "Using %s interrupts\n",
			int_params->out.int_mode == QED_INT_MODE_INTA ?
			"INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
			"MSI" : "MSIX");
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	cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;

	return rc;
}

static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
				    int index, void(*handler)(void *))
{
	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
	int relative_idx = index / cdev->num_hwfns;

	hwfn->simd_proto_handler[relative_idx].func = handler;
	hwfn->simd_proto_handler[relative_idx].token = token;
}

static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
{
	struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
	int relative_idx = index / cdev->num_hwfns;

	memset(&hwfn->simd_proto_handler[relative_idx], 0,
	       sizeof(struct qed_simd_fp_handler));
}

static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
{
	tasklet_schedule((struct tasklet_struct *)tasklet);
	return IRQ_HANDLED;
}

static irqreturn_t qed_single_int(int irq, void *dev_instance)
{
	struct qed_dev *cdev = (struct qed_dev *)dev_instance;
	struct qed_hwfn *hwfn;
	irqreturn_t rc = IRQ_NONE;
	u64 status;
	int i, j;

	for (i = 0; i < cdev->num_hwfns; i++) {
		status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);

		if (!status)
			continue;

		hwfn = &cdev->hwfns[i];

		/* Slowpath interrupt */
		if (unlikely(status & 0x1)) {
			tasklet_schedule(hwfn->sp_dpc);
			status &= ~0x1;
			rc = IRQ_HANDLED;
		}

		/* Fastpath interrupts */
		for (j = 0; j < 64; j++) {
			if ((0x2ULL << j) & status) {
				hwfn->simd_proto_handler[j].func(
					hwfn->simd_proto_handler[j].token);
				status &= ~(0x2ULL << j);
				rc = IRQ_HANDLED;
			}
		}

		if (unlikely(status))
			DP_VERBOSE(hwfn, NETIF_MSG_INTR,
				   "got an unknown interrupt status 0x%llx\n",
				   status);
	}

	return rc;
}

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int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
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{
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	struct qed_dev *cdev = hwfn->cdev;
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	u32 int_mode;
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	int rc = 0;
	u8 id;
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	int_mode = cdev->int_params.out.int_mode;
	if (int_mode == QED_INT_MODE_MSIX) {
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		id = hwfn->my_id;
		snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
			 id, cdev->pdev->bus->number,
			 PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
		rc = request_irq(cdev->int_params.msix_table[id].vector,
				 qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
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	} else {
		unsigned long flags = 0;

		snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
			 cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
			 PCI_FUNC(cdev->pdev->devfn));

		if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
			flags |= IRQF_SHARED;

		rc = request_irq(cdev->pdev->irq, qed_single_int,
				 flags, cdev->name, cdev);
	}

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	if (rc)
		DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
	else
		DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
			   "Requested slowpath %s\n",
			   (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");

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	return rc;
}

static void qed_slowpath_irq_free(struct qed_dev *cdev)
{
	int i;

	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
		for_each_hwfn(cdev, i) {
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			if (!cdev->hwfns[i].b_int_requested)
				break;
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			synchronize_irq(cdev->int_params.msix_table[i].vector);
			free_irq(cdev->int_params.msix_table[i].vector,
				 cdev->hwfns[i].sp_dpc);
		}
	} else {
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		if (QED_LEADING_HWFN(cdev)->b_int_requested)
			free_irq(cdev->pdev->irq, cdev);
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	}
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	qed_int_disable_post_isr_release(cdev);
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}

static int qed_nic_stop(struct qed_dev *cdev)
{
	int i, rc;

	rc = qed_hw_stop(cdev);

	for (i = 0; i < cdev->num_hwfns; i++) {
		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

		if (p_hwfn->b_sp_dpc_enabled) {
			tasklet_disable(p_hwfn->sp_dpc);
			p_hwfn->b_sp_dpc_enabled = false;
			DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
				   "Disabled sp taskelt [hwfn %d] at %p\n",
				   i, p_hwfn->sp_dpc);
		}
	}

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	qed_dbg_pf_exit(cdev);

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	return rc;
}

static int qed_nic_reset(struct qed_dev *cdev)
{
	int rc;

	rc = qed_hw_reset(cdev);
	if (rc)
		return rc;

	qed_resc_free(cdev);

	return 0;
}

static int qed_nic_setup(struct qed_dev *cdev)
{
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	int rc, i;

	/* Determine if interface is going to require LL2 */
	if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
		for (i = 0; i < cdev->num_hwfns; i++) {
			struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

			p_hwfn->using_ll2 = true;
		}
	}
628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683

	rc = qed_resc_alloc(cdev);
	if (rc)
		return rc;

	DP_INFO(cdev, "Allocated qed resources\n");

	qed_resc_setup(cdev);

	return rc;
}

static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
{
	int limit = 0;

	/* Mark the fastpath as free/used */
	cdev->int_params.fp_initialized = cnt ? true : false;

	if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
		limit = cdev->num_hwfns * 63;
	else if (cdev->int_params.fp_msix_cnt)
		limit = cdev->int_params.fp_msix_cnt;

	if (!limit)
		return -ENOMEM;

	return min_t(int, cnt, limit);
}

static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
{
	memset(info, 0, sizeof(struct qed_int_info));

	if (!cdev->int_params.fp_initialized) {
		DP_INFO(cdev,
			"Protocol driver requested interrupt information, but its support is not yet configured\n");
		return -EINVAL;
	}

	/* Need to expose only MSI-X information; Single IRQ is handled solely
	 * by qed.
	 */
	if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
		int msix_base = cdev->int_params.fp_msix_base;

		info->msix_cnt = cdev->int_params.fp_msix_cnt;
		info->msix = &cdev->int_params.msix_table[msix_base];
	}

	return 0;
}

static int qed_slowpath_setup_int(struct qed_dev *cdev,
				  enum qed_int_mode int_mode)
{
684
	struct qed_sb_cnt_info sb_cnt_info;
685
	int num_l2_queues = 0;
686 687
	int rc;
	int i;
688

689 690 691 692 693 694
	if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
		DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
		return -EINVAL;
	}

	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
695
	cdev->int_params.in.int_mode = int_mode;
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	for_each_hwfn(cdev, i) {
		memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
		qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
		cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
		cdev->int_params.in.num_vectors++; /* slowpath */
	}
702 703 704 705 706 707 708 709 710 711 712 713 714 715

	/* We want a minimum of one slowpath and one fastpath vector per hwfn */
	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;

	rc = qed_set_int_mode(cdev, false);
	if (rc)  {
		DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
		return rc;
	}

	cdev->int_params.fp_msix_base = cdev->num_hwfns;
	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
				       cdev->num_hwfns;

716 717 718
	if (!IS_ENABLED(CONFIG_QED_RDMA))
		return 0;

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	for_each_hwfn(cdev, i)
		num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);

	DP_VERBOSE(cdev, QED_MSG_RDMA,
		   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
		   cdev->int_params.fp_msix_cnt, num_l2_queues);

	if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
		cdev->int_params.rdma_msix_cnt =
			(cdev->int_params.fp_msix_cnt - num_l2_queues)
			/ cdev->num_hwfns;
		cdev->int_params.rdma_msix_base =
			cdev->int_params.fp_msix_base + num_l2_queues;
		cdev->int_params.fp_msix_cnt = num_l2_queues;
	} else {
		cdev->int_params.rdma_msix_cnt = 0;
	}

	DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
		   cdev->int_params.rdma_msix_cnt,
		   cdev->int_params.rdma_msix_base);

741 742 743
	return 0;
}

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Yuval Mintz 已提交
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static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
{
	int rc;

	memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
	cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;

	qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
			    &cdev->int_params.in.num_vectors);
	if (cdev->num_hwfns > 1) {
		u8 vectors = 0;

		qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
		cdev->int_params.in.num_vectors += vectors;
	}

	/* We want a minimum of one fastpath vector per vf hwfn */
	cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;

	rc = qed_set_int_mode(cdev, true);
	if (rc)
		return rc;

	cdev->int_params.fp_msix_base = 0;
	cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;

	return 0;
}

773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848
u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
		   u8 *input_buf, u32 max_size, u8 *unzip_buf)
{
	int rc;

	p_hwfn->stream->next_in = input_buf;
	p_hwfn->stream->avail_in = input_len;
	p_hwfn->stream->next_out = unzip_buf;
	p_hwfn->stream->avail_out = max_size;

	rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);

	if (rc != Z_OK) {
		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
			   rc);
		return 0;
	}

	rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
	zlib_inflateEnd(p_hwfn->stream);

	if (rc != Z_OK && rc != Z_STREAM_END) {
		DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
			   p_hwfn->stream->msg, rc);
		return 0;
	}

	return p_hwfn->stream->total_out / 4;
}

static int qed_alloc_stream_mem(struct qed_dev *cdev)
{
	int i;
	void *workspace;

	for_each_hwfn(cdev, i) {
		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

		p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
		if (!p_hwfn->stream)
			return -ENOMEM;

		workspace = vzalloc(zlib_inflate_workspacesize());
		if (!workspace)
			return -ENOMEM;
		p_hwfn->stream->workspace = workspace;
	}

	return 0;
}

static void qed_free_stream_mem(struct qed_dev *cdev)
{
	int i;

	for_each_hwfn(cdev, i) {
		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

		if (!p_hwfn->stream)
			return;

		vfree(p_hwfn->stream->workspace);
		kfree(p_hwfn->stream);
	}
}

static void qed_update_pf_params(struct qed_dev *cdev,
				 struct qed_pf_params *params)
{
	int i;

	for (i = 0; i < cdev->num_hwfns; i++) {
		struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

		p_hwfn->pf_params = *params;
	}
849 850 851 852 853 854 855 856 857

	if (!IS_ENABLED(CONFIG_QED_RDMA))
		return;

	params->rdma_pf_params.num_qps = QED_ROCE_QPS;
	params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
	/* divide by 3 the MRs to avoid MF ILT overflow */
	params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
	params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
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}

static int qed_slowpath_start(struct qed_dev *cdev,
			      struct qed_slowpath_params *params)
{
863
	struct qed_tunn_start_params tunn_info;
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	struct qed_mcp_drv_version drv_version;
	const u8 *data = NULL;
	struct qed_hwfn *hwfn;
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	int rc = -EINVAL;

	if (qed_iov_wq_start(cdev))
		goto err;
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	if (IS_PF(cdev)) {
		rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
				      &cdev->pdev->dev);
		if (rc) {
			DP_NOTICE(cdev,
				  "Failed to find fw file - /lib/firmware/%s\n",
				  QED_FW_FILE_NAME);
			goto err;
		}
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	}

883
	cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
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	rc = qed_nic_setup(cdev);
	if (rc)
		goto err;

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	if (IS_PF(cdev))
		rc = qed_slowpath_setup_int(cdev, params->int_mode);
	else
		rc = qed_slowpath_vf_setup_int(cdev);
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	if (rc)
		goto err1;

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	if (IS_PF(cdev)) {
		/* Allocate stream for unzipping */
		rc = qed_alloc_stream_mem(cdev);
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		if (rc)
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			goto err2;
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		/* First Dword used to diffrentiate between various sources */
		data = cdev->firmware->data + sizeof(u32);
903 904

		qed_dbg_pf_init(cdev);
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	}
906

907
	memset(&tunn_info, 0, sizeof(tunn_info));
908
	tunn_info.tunn_mode |=  1 << QED_MODE_VXLAN_TUNN |
909 910
				1 << QED_MODE_L2GRE_TUNN |
				1 << QED_MODE_IPGRE_TUNN |
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				1 << QED_MODE_L2GENEVE_TUNN |
				1 << QED_MODE_IPGENEVE_TUNN;

914
	tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
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	tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
	tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
917

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	/* Start the slowpath */
919 920
	rc = qed_hw_init(cdev, &tunn_info, true,
			 cdev->int_params.out.int_mode,
921 922
			 true, data);
	if (rc)
923
		goto err2;
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	DP_INFO(cdev,
		"HW initialization and function start completed successfully\n");

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	/* Allocate LL2 interface if needed */
	if (QED_LEADING_HWFN(cdev)->using_ll2) {
		rc = qed_ll2_alloc_if(cdev);
		if (rc)
			goto err3;
	}
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	if (IS_PF(cdev)) {
		hwfn = QED_LEADING_HWFN(cdev);
		drv_version.version = (params->drv_major << 24) |
				      (params->drv_minor << 16) |
				      (params->drv_rev << 8) |
				      (params->drv_eng);
		strlcpy(drv_version.name, params->name,
			MCP_DRV_VER_STR_SIZE - 4);
		rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
					      &drv_version);
		if (rc) {
			DP_NOTICE(cdev, "Failed sending drv version command\n");
			return rc;
		}
948 949
	}

950 951
	qed_reset_vport_stats(cdev);

952 953
	return 0;

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err3:
	qed_hw_stop(cdev);
956
err2:
957
	qed_hw_timers_stop_all(cdev);
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	if (IS_PF(cdev))
		qed_slowpath_irq_free(cdev);
960
	qed_free_stream_mem(cdev);
961 962 963 964
	qed_disable_msix(cdev);
err1:
	qed_resc_free(cdev);
err:
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Yuval Mintz 已提交
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	if (IS_PF(cdev))
		release_firmware(cdev->firmware);
967

968 969
	qed_iov_wq_stop(cdev, false);

970 971 972 973 974 975 976 977
	return rc;
}

static int qed_slowpath_stop(struct qed_dev *cdev)
{
	if (!cdev)
		return -ENODEV;

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	qed_ll2_dealloc_if(cdev);

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	if (IS_PF(cdev)) {
		qed_free_stream_mem(cdev);
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		if (IS_QED_ETH_IF(cdev))
			qed_sriov_disable(cdev, true);
984

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		qed_nic_stop(cdev);
		qed_slowpath_irq_free(cdev);
	}
988 989 990 991

	qed_disable_msix(cdev);
	qed_nic_reset(cdev);

992 993
	qed_iov_wq_stop(cdev, true);

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Yuval Mintz 已提交
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	if (IS_PF(cdev))
		release_firmware(cdev->firmware);
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	return 0;
}

static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
		       char ver_str[VER_SIZE])
{
	int i;

	memcpy(cdev->name, name, NAME_SIZE);
	for_each_hwfn(cdev, i)
		snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);

	memcpy(cdev->ver_str, ver_str, VER_SIZE);
	cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
}

static u32 qed_sb_init(struct qed_dev *cdev,
		       struct qed_sb_info *sb_info,
		       void *sb_virt_addr,
		       dma_addr_t sb_phy_addr, u16 sb_id,
		       enum qed_sb_type type)
{
	struct qed_hwfn *p_hwfn;
	int hwfn_index;
	u16 rel_sb_id;
	u8 n_hwfns;
	u32 rc;

	/* RoCE uses single engine and CMT uses two engines. When using both
	 * we force only a single engine. Storage uses only engine 0 too.
	 */
	if (type == QED_SB_TYPE_L2_QUEUE)
		n_hwfns = cdev->num_hwfns;
	else
		n_hwfns = 1;

	hwfn_index = sb_id % n_hwfns;
	p_hwfn = &cdev->hwfns[hwfn_index];
	rel_sb_id = sb_id / n_hwfns;

	DP_VERBOSE(cdev, NETIF_MSG_INTR,
		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
		   hwfn_index, rel_sb_id, sb_id);

	rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
			     sb_virt_addr, sb_phy_addr, rel_sb_id);

	return rc;
}

static u32 qed_sb_release(struct qed_dev *cdev,
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			  struct qed_sb_info *sb_info, u16 sb_id)
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067
{
	struct qed_hwfn *p_hwfn;
	int hwfn_index;
	u16 rel_sb_id;
	u32 rc;

	hwfn_index = sb_id % cdev->num_hwfns;
	p_hwfn = &cdev->hwfns[hwfn_index];
	rel_sb_id = sb_id / cdev->num_hwfns;

	DP_VERBOSE(cdev, NETIF_MSG_INTR,
		   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
		   hwfn_index, rel_sb_id, sb_id);

	rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);

	return rc;
}

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static bool qed_can_link_change(struct qed_dev *cdev)
{
	return true;
}

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static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
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{
	struct qed_hwfn *hwfn;
	struct qed_mcp_link_params *link_params;
	struct qed_ptt *ptt;
	int rc;

	if (!cdev)
		return -ENODEV;

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	if (IS_VF(cdev))
		return 0;

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	/* The link should be set only once per PF */
	hwfn = &cdev->hwfns[0];

	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EBUSY;

	link_params = qed_mcp_get_link_params(hwfn);
	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
		link_params->speed.autoneg = params->autoneg;
	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
		link_params->speed.advertised_speeds = 0;
1098 1099
		if ((params->adv_speeds & QED_LM_1000baseT_Half_BIT) ||
		    (params->adv_speeds & QED_LM_1000baseT_Full_BIT))
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			link_params->speed.advertised_speeds |=
1101 1102
			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
		if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
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1103
			link_params->speed.advertised_speeds |=
1104 1105
			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
		if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
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			link_params->speed.advertised_speeds |=
1107 1108
			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
		if (params->adv_speeds & QED_LM_40000baseLR4_Full_BIT)
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			link_params->speed.advertised_speeds |=
1110 1111 1112 1113 1114
			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
		if (params->adv_speeds & QED_LM_50000baseKR2_Full_BIT)
			link_params->speed.advertised_speeds |=
			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
		if (params->adv_speeds & QED_LM_100000baseKR4_Full_BIT)
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Yuval Mintz 已提交
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			link_params->speed.advertised_speeds |=
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			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
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	}
	if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
		link_params->speed.forced_speed = params->forced_speed;
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133
	if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
		if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
			link_params->pause.autoneg = true;
		else
			link_params->pause.autoneg = false;
		if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
			link_params->pause.forced_rx = true;
		else
			link_params->pause.forced_rx = false;
		if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
			link_params->pause.forced_tx = true;
		else
			link_params->pause.forced_tx = false;
	}
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	if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
		switch (params->loopback_mode) {
		case QED_LINK_LOOPBACK_INT_PHY:
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Yuval Mintz 已提交
1137
			link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1138 1139
			break;
		case QED_LINK_LOOPBACK_EXT_PHY:
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Yuval Mintz 已提交
1140
			link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1141 1142
			break;
		case QED_LINK_LOOPBACK_EXT:
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1143
			link_params->loopback_mode = ETH_LOOPBACK_EXT;
1144 1145
			break;
		case QED_LINK_LOOPBACK_MAC:
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			link_params->loopback_mode = ETH_LOOPBACK_MAC;
1147 1148
			break;
		default:
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			link_params->loopback_mode = ETH_LOOPBACK_NONE;
1150 1151 1152
			break;
		}
	}
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	rc = qed_mcp_set_link(hwfn, ptt, params->link_up);

	qed_ptt_release(hwfn, ptt);

	return rc;
}

static int qed_get_port_type(u32 media_type)
{
	int port_type;

	switch (media_type) {
	case MEDIA_SFPP_10G_FIBER:
	case MEDIA_SFP_1G_FIBER:
	case MEDIA_XFP_FIBER:
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	case MEDIA_MODULE_FIBER:
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	case MEDIA_KR:
		port_type = PORT_FIBRE;
		break;
	case MEDIA_DA_TWINAX:
		port_type = PORT_DA;
		break;
	case MEDIA_BASE_T:
		port_type = PORT_TP;
		break;
	case MEDIA_NOT_PRESENT:
		port_type = PORT_NONE;
		break;
	case MEDIA_UNSPECIFIED:
	default:
		port_type = PORT_OTHER;
		break;
	}
	return port_type;
}

1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222
static int qed_get_link_data(struct qed_hwfn *hwfn,
			     struct qed_mcp_link_params *params,
			     struct qed_mcp_link_state *link,
			     struct qed_mcp_link_capabilities *link_caps)
{
	void *p;

	if (!IS_PF(hwfn->cdev)) {
		qed_vf_get_link_params(hwfn, params);
		qed_vf_get_link_state(hwfn, link);
		qed_vf_get_link_caps(hwfn, link_caps);

		return 0;
	}

	p = qed_mcp_get_link_params(hwfn);
	if (!p)
		return -ENXIO;
	memcpy(params, p, sizeof(*params));

	p = qed_mcp_get_link_state(hwfn);
	if (!p)
		return -ENXIO;
	memcpy(link, p, sizeof(*link));

	p = qed_mcp_get_link_capabilities(hwfn);
	if (!p)
		return -ENXIO;
	memcpy(link_caps, p, sizeof(*link_caps));

	return 0;
}

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static void qed_fill_link(struct qed_hwfn *hwfn,
			  struct qed_link_output *if_link)
{
	struct qed_mcp_link_params params;
	struct qed_mcp_link_state link;
	struct qed_mcp_link_capabilities link_caps;
	u32 media_type;

	memset(if_link, 0, sizeof(*if_link));

	/* Prepare source inputs */
1234 1235 1236
	if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
		dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
		return;
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	}
Y
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	/* Set the link parameters to pass to protocol driver */
	if (link.link_up)
		if_link->link_up = true;

	/* TODO - at the moment assume supported and advertised speed equal */
1244
	if_link->supported_caps = QED_LM_FIBRE_BIT;
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	if (params.speed.autoneg)
1246
		if_link->supported_caps |= QED_LM_Autoneg_BIT;
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	if (params.pause.autoneg ||
	    (params.pause.forced_rx && params.pause.forced_tx))
1249
		if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
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	if (params.pause.autoneg || params.pause.forced_rx ||
	    params.pause.forced_tx)
1252
		if_link->supported_caps |= QED_LM_Pause_BIT;
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	if_link->advertised_caps = if_link->supported_caps;
	if (params.speed.advertised_speeds &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1257 1258
		if_link->advertised_caps |= QED_LM_1000baseT_Half_BIT |
		    QED_LM_1000baseT_Full_BIT;
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	if (params.speed.advertised_speeds &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1261 1262 1263 1264
		if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
	if (params.speed.advertised_speeds &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
		if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
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	if (params.speed.advertised_speeds &
1266 1267
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
		if_link->advertised_caps |= QED_LM_40000baseLR4_Full_BIT;
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	if (params.speed.advertised_speeds &
1269 1270
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
		if_link->advertised_caps |= QED_LM_50000baseKR2_Full_BIT;
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	if (params.speed.advertised_speeds &
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	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1273
		if_link->advertised_caps |= QED_LM_100000baseKR4_Full_BIT;
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	if (link_caps.speed_capabilities &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1277 1278
		if_link->supported_caps |= QED_LM_1000baseT_Half_BIT |
		    QED_LM_1000baseT_Full_BIT;
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	if (link_caps.speed_capabilities &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1281 1282 1283 1284
		if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
	if (link_caps.speed_capabilities &
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
		if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
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	if (link_caps.speed_capabilities &
1286 1287
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
		if_link->supported_caps |= QED_LM_40000baseLR4_Full_BIT;
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	if (link_caps.speed_capabilities &
1289 1290
	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
		if_link->supported_caps |= QED_LM_50000baseKR2_Full_BIT;
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	if (link_caps.speed_capabilities &
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	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1293
		if_link->supported_caps |= QED_LM_100000baseKR4_Full_BIT;
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	if (link.link_up)
		if_link->speed = link.speed;

	/* TODO - fill duplex properly */
	if_link->duplex = DUPLEX_FULL;
	qed_mcp_get_media_type(hwfn->cdev, &media_type);
	if_link->port = qed_get_port_type(media_type);

	if_link->autoneg = params.speed.autoneg;

	if (params.pause.autoneg)
		if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
	if (params.pause.forced_rx)
		if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
	if (params.pause.forced_tx)
		if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;

	/* Link partner capabilities */
1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_HD)
		if_link->lp_caps |= QED_LM_1000baseT_Half_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_FD)
		if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
		if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
		if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
		if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
		if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
		if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
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	if (link.an_complete)
1329
		if_link->lp_caps |= QED_LM_Autoneg_BIT;
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	if (link.partner_adv_pause)
1332
		if_link->lp_caps |= QED_LM_Pause_BIT;
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	if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
	    link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1335
		if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
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}

static void qed_get_current_link(struct qed_dev *cdev,
				 struct qed_link_output *if_link)
{
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	int i;

Y
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	qed_fill_link(&cdev->hwfns[0], if_link);
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	for_each_hwfn(cdev, i)
		qed_inform_vf_link_state(&cdev->hwfns[i]);
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}

void qed_link_update(struct qed_hwfn *hwfn)
{
	void *cookie = hwfn->cdev->ops_cookie;
	struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
	struct qed_link_output if_link;

	qed_fill_link(hwfn, &if_link);
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	qed_inform_vf_link_state(hwfn);
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	if (IS_LEAD_HWFN(hwfn) && cookie)
		op->link_update(cookie, &if_link);
}

1362 1363 1364 1365 1366 1367
static int qed_drain(struct qed_dev *cdev)
{
	struct qed_hwfn *hwfn;
	struct qed_ptt *ptt;
	int i, rc;

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	if (IS_VF(cdev))
		return 0;

1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386
	for_each_hwfn(cdev, i) {
		hwfn = &cdev->hwfns[i];
		ptt = qed_ptt_acquire(hwfn);
		if (!ptt) {
			DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
			return -EBUSY;
		}
		rc = qed_mcp_drain(hwfn, ptt);
		if (rc)
			return rc;
		qed_ptt_release(hwfn, ptt);
	}

	return 0;
}

1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418
static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
{
	*rx_coal = cdev->rx_coalesce_usecs;
	*tx_coal = cdev->tx_coalesce_usecs;
}

static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
			    u8 qid, u16 sb_id)
{
	struct qed_hwfn *hwfn;
	struct qed_ptt *ptt;
	int hwfn_index;
	int status = 0;

	hwfn_index = qid % cdev->num_hwfns;
	hwfn = &cdev->hwfns[hwfn_index];
	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EAGAIN;

	status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
				      qid / cdev->num_hwfns, sb_id);
	if (status)
		goto out;
	status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
				      qid / cdev->num_hwfns, sb_id);
out:
	qed_ptt_release(hwfn, ptt);

	return status;
}

1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435
static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
{
	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
	struct qed_ptt *ptt;
	int status = 0;

	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EAGAIN;

	status = qed_mcp_set_led(hwfn, ptt, mode);

	qed_ptt_release(hwfn, ptt);

	return status;
}

1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
static int qed_update_drv_state(struct qed_dev *cdev, bool active)
{
	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
	struct qed_ptt *ptt;
	int status = 0;

	if (IS_VF(cdev))
		return 0;

	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EAGAIN;

	status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
						QED_OV_DRIVER_STATE_ACTIVE :
						QED_OV_DRIVER_STATE_DISABLED);

	qed_ptt_release(hwfn, ptt);

	return status;
}

static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
{
	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
	struct qed_ptt *ptt;
	int status = 0;

	if (IS_VF(cdev))
		return 0;

	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EAGAIN;

	status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
	if (status)
		goto out;

	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);

out:
	qed_ptt_release(hwfn, ptt);
	return status;
}

static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
{
	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
	struct qed_ptt *ptt;
	int status = 0;

	if (IS_VF(cdev))
		return 0;

	ptt = qed_ptt_acquire(hwfn);
	if (!ptt)
		return -EAGAIN;

	status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
	if (status)
		goto out;

	status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);

out:
	qed_ptt_release(hwfn, ptt);
	return status;
}

1506
static struct qed_selftest_ops qed_selftest_ops_pass = {
1507 1508 1509 1510
	.selftest_memory = &qed_selftest_memory,
	.selftest_interrupt = &qed_selftest_interrupt,
	.selftest_register = &qed_selftest_register,
	.selftest_clock = &qed_selftest_clock,
M
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	.selftest_nvram = &qed_selftest_nvram,
1512 1513
};

1514
const struct qed_common_ops qed_common_ops_pass = {
1515
	.selftest = &qed_selftest_ops_pass,
1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
	.probe = &qed_probe,
	.remove = &qed_remove,
	.set_power_state = &qed_set_power_state,
	.set_id = &qed_set_id,
	.update_pf_params = &qed_update_pf_params,
	.slowpath_start = &qed_slowpath_start,
	.slowpath_stop = &qed_slowpath_stop,
	.set_fp_int = &qed_set_int_fp,
	.get_fp_int = &qed_get_int_fp,
	.sb_init = &qed_sb_init,
	.sb_release = &qed_sb_release,
	.simd_handler_config = &qed_simd_handler_config,
	.simd_handler_clean = &qed_simd_handler_clean,
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	.can_link_change = &qed_can_link_change,
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	.set_link = &qed_set_link,
	.get_link = &qed_get_current_link,
1532 1533
	.drain = &qed_drain,
	.update_msglvl = &qed_init_dp,
1534 1535
	.dbg_all_data = &qed_dbg_all_data,
	.dbg_all_data_size = &qed_dbg_all_data_size,
1536 1537
	.chain_alloc = &qed_chain_alloc,
	.chain_free = &qed_chain_free,
1538 1539
	.get_coalesce = &qed_get_coalesce,
	.set_coalesce = &qed_set_coalesce,
1540
	.set_led = &qed_set_led,
1541 1542 1543
	.update_drv_state = &qed_update_drv_state,
	.update_mac = &qed_update_mac,
	.update_mtu = &qed_update_mtu,
1544
};
1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565

void qed_get_protocol_stats(struct qed_dev *cdev,
			    enum qed_mcp_protocol_type type,
			    union qed_mcp_protocol_stats *stats)
{
	struct qed_eth_stats eth_stats;

	memset(stats, 0, sizeof(*stats));

	switch (type) {
	case QED_MCP_LAN_STATS:
		qed_get_vport_stats(cdev, &eth_stats);
		stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
		stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
		stats->lan_stats.fcs_err = -1;
		break;
	default:
		DP_ERR(cdev, "Invalid protocol type = %d\n", type);
		return;
	}
}