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path: root/drivers/crypto/cavium/cpt/cptpf_main.c
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Diffstat (limited to 'drivers/crypto/cavium/cpt/cptpf_main.c')
-rw-r--r--drivers/crypto/cavium/cpt/cptpf_main.c667
1 files changed, 667 insertions, 0 deletions
diff --git a/drivers/crypto/cavium/cpt/cptpf_main.c b/drivers/crypto/cavium/cpt/cptpf_main.c
new file mode 100644
index 000000000..6872ac344
--- /dev/null
+++ b/drivers/crypto/cavium/cpt/cptpf_main.c
@@ -0,0 +1,667 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ */
+
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <linux/printk.h>
+
+#include "cptpf.h"
+
+#define DRV_NAME "thunder-cpt"
+#define DRV_VERSION "1.0"
+
+static u32 num_vfs = 4; /* Default 4 VF enabled */
+module_param(num_vfs, uint, 0444);
+MODULE_PARM_DESC(num_vfs, "Number of VFs to enable(1-16)");
+
+/*
+ * Disable cores specified by coremask
+ */
+static void cpt_disable_cores(struct cpt_device *cpt, u64 coremask,
+ u8 type, u8 grp)
+{
+ u64 pf_exe_ctl;
+ u32 timeout = 100;
+ u64 grpmask = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ /* Disengage the cores from groups */
+ grpmask = cpt_read_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp),
+ (grpmask & ~coremask));
+ udelay(CSR_DELAY);
+ grp = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXEC_BUSY(0));
+ while (grp & coremask) {
+ dev_err(dev, "Cores still busy %llx", coremask);
+ grp = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXEC_BUSY(0));
+ if (timeout--)
+ break;
+
+ udelay(CSR_DELAY);
+ }
+
+ /* Disable the cores */
+ pf_exe_ctl = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0),
+ (pf_exe_ctl & ~coremask));
+ udelay(CSR_DELAY);
+}
+
+/*
+ * Enable cores specified by coremask
+ */
+static void cpt_enable_cores(struct cpt_device *cpt, u64 coremask,
+ u8 type)
+{
+ u64 pf_exe_ctl;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ pf_exe_ctl = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0),
+ (pf_exe_ctl | coremask));
+ udelay(CSR_DELAY);
+}
+
+static void cpt_configure_group(struct cpt_device *cpt, u8 grp,
+ u64 coremask, u8 type)
+{
+ u64 pf_gx_en = 0;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ pf_gx_en = cpt_read_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp),
+ (pf_gx_en | coremask));
+ udelay(CSR_DELAY);
+}
+
+static void cpt_disable_mbox_interrupts(struct cpt_device *cpt)
+{
+ /* Clear mbox(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_ENA_W1CX(0, 0), ~0ull);
+}
+
+static void cpt_disable_ecc_interrupts(struct cpt_device *cpt)
+{
+ /* Clear ecc(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_ECC0_ENA_W1C(0), ~0ull);
+}
+
+static void cpt_disable_exec_interrupts(struct cpt_device *cpt)
+{
+ /* Clear exec interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXEC_ENA_W1C(0), ~0ull);
+}
+
+static void cpt_disable_all_interrupts(struct cpt_device *cpt)
+{
+ cpt_disable_mbox_interrupts(cpt);
+ cpt_disable_ecc_interrupts(cpt);
+ cpt_disable_exec_interrupts(cpt);
+}
+
+static void cpt_enable_mbox_interrupts(struct cpt_device *cpt)
+{
+ /* Set mbox(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_ENA_W1SX(0, 0), ~0ull);
+}
+
+static int cpt_load_microcode(struct cpt_device *cpt, struct microcode *mcode)
+{
+ int ret = 0, core = 0, shift = 0;
+ u32 total_cores = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ if (!mcode || !mcode->code) {
+ dev_err(dev, "Either the mcode is null or data is NULL\n");
+ return -EINVAL;
+ }
+
+ if (mcode->code_size == 0) {
+ dev_err(dev, "microcode size is 0\n");
+ return -EINVAL;
+ }
+
+ /* Assumes 0-9 are SE cores for UCODE_BASE registers and
+ * AE core bases follow
+ */
+ if (mcode->is_ae) {
+ core = CPT_MAX_SE_CORES; /* start couting from 10 */
+ total_cores = CPT_MAX_TOTAL_CORES; /* upto 15 */
+ } else {
+ core = 0; /* start couting from 0 */
+ total_cores = CPT_MAX_SE_CORES; /* upto 9 */
+ }
+
+ /* Point to microcode for each core of the group */
+ for (; core < total_cores ; core++, shift++) {
+ if (mcode->core_mask & (1 << shift)) {
+ cpt_write_csr64(cpt->reg_base,
+ CPTX_PF_ENGX_UCODE_BASE(0, core),
+ (u64)mcode->phys_base);
+ }
+ }
+ return ret;
+}
+
+static int do_cpt_init(struct cpt_device *cpt, struct microcode *mcode)
+{
+ int ret = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Make device not ready */
+ cpt->flags &= ~CPT_FLAG_DEVICE_READY;
+ /* Disable All PF interrupts */
+ cpt_disable_all_interrupts(cpt);
+ /* Calculate mcode group and coremasks */
+ if (mcode->is_ae) {
+ if (mcode->num_cores > cpt->max_ae_cores) {
+ dev_err(dev, "Requested for more cores than available AE cores\n");
+ ret = -EINVAL;
+ goto cpt_init_fail;
+ }
+
+ if (cpt->next_group >= CPT_MAX_CORE_GROUPS) {
+ dev_err(dev, "Can't load, all eight microcode groups in use");
+ return -ENFILE;
+ }
+
+ mcode->group = cpt->next_group;
+ /* Convert requested cores to mask */
+ mcode->core_mask = GENMASK(mcode->num_cores, 0);
+ cpt_disable_cores(cpt, mcode->core_mask, AE_TYPES,
+ mcode->group);
+ /* Load microcode for AE engines */
+ ret = cpt_load_microcode(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "Microcode load Failed for %s\n",
+ mcode->version);
+ goto cpt_init_fail;
+ }
+ cpt->next_group++;
+ /* Configure group mask for the mcode */
+ cpt_configure_group(cpt, mcode->group, mcode->core_mask,
+ AE_TYPES);
+ /* Enable AE cores for the group mask */
+ cpt_enable_cores(cpt, mcode->core_mask, AE_TYPES);
+ } else {
+ if (mcode->num_cores > cpt->max_se_cores) {
+ dev_err(dev, "Requested for more cores than available SE cores\n");
+ ret = -EINVAL;
+ goto cpt_init_fail;
+ }
+ if (cpt->next_group >= CPT_MAX_CORE_GROUPS) {
+ dev_err(dev, "Can't load, all eight microcode groups in use");
+ return -ENFILE;
+ }
+
+ mcode->group = cpt->next_group;
+ /* Covert requested cores to mask */
+ mcode->core_mask = GENMASK(mcode->num_cores, 0);
+ cpt_disable_cores(cpt, mcode->core_mask, SE_TYPES,
+ mcode->group);
+ /* Load microcode for SE engines */
+ ret = cpt_load_microcode(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "Microcode load Failed for %s\n",
+ mcode->version);
+ goto cpt_init_fail;
+ }
+ cpt->next_group++;
+ /* Configure group mask for the mcode */
+ cpt_configure_group(cpt, mcode->group, mcode->core_mask,
+ SE_TYPES);
+ /* Enable SE cores for the group mask */
+ cpt_enable_cores(cpt, mcode->core_mask, SE_TYPES);
+ }
+
+ /* Enabled PF mailbox interrupts */
+ cpt_enable_mbox_interrupts(cpt);
+ cpt->flags |= CPT_FLAG_DEVICE_READY;
+
+ return ret;
+
+cpt_init_fail:
+ /* Enabled PF mailbox interrupts */
+ cpt_enable_mbox_interrupts(cpt);
+
+ return ret;
+}
+
+struct ucode_header {
+ u8 version[CPT_UCODE_VERSION_SZ];
+ __be32 code_length;
+ u32 data_length;
+ u64 sram_address;
+};
+
+static int cpt_ucode_load_fw(struct cpt_device *cpt, const u8 *fw, bool is_ae)
+{
+ const struct firmware *fw_entry;
+ struct device *dev = &cpt->pdev->dev;
+ struct ucode_header *ucode;
+ unsigned int code_length;
+ struct microcode *mcode;
+ int j, ret = 0;
+
+ ret = request_firmware(&fw_entry, fw, dev);
+ if (ret)
+ return ret;
+
+ ucode = (struct ucode_header *)fw_entry->data;
+ mcode = &cpt->mcode[cpt->next_mc_idx];
+ memcpy(mcode->version, (u8 *)fw_entry->data, CPT_UCODE_VERSION_SZ);
+ code_length = ntohl(ucode->code_length);
+ if (code_length == 0 || code_length >= INT_MAX / 2) {
+ ret = -EINVAL;
+ goto fw_release;
+ }
+ mcode->code_size = code_length * 2;
+
+ mcode->is_ae = is_ae;
+ mcode->core_mask = 0ULL;
+ mcode->num_cores = is_ae ? 6 : 10;
+
+ /* Allocate DMAable space */
+ mcode->code = dma_alloc_coherent(&cpt->pdev->dev, mcode->code_size,
+ &mcode->phys_base, GFP_KERNEL);
+ if (!mcode->code) {
+ dev_err(dev, "Unable to allocate space for microcode");
+ ret = -ENOMEM;
+ goto fw_release;
+ }
+
+ memcpy((void *)mcode->code, (void *)(fw_entry->data + sizeof(*ucode)),
+ mcode->code_size);
+
+ /* Byte swap 64-bit */
+ for (j = 0; j < (mcode->code_size / 8); j++)
+ ((__be64 *)mcode->code)[j] = cpu_to_be64(((u64 *)mcode->code)[j]);
+ /* MC needs 16-bit swap */
+ for (j = 0; j < (mcode->code_size / 2); j++)
+ ((__be16 *)mcode->code)[j] = cpu_to_be16(((u16 *)mcode->code)[j]);
+
+ dev_dbg(dev, "mcode->code_size = %u\n", mcode->code_size);
+ dev_dbg(dev, "mcode->is_ae = %u\n", mcode->is_ae);
+ dev_dbg(dev, "mcode->num_cores = %u\n", mcode->num_cores);
+ dev_dbg(dev, "mcode->code = %llx\n", (u64)mcode->code);
+ dev_dbg(dev, "mcode->phys_base = %llx\n", mcode->phys_base);
+
+ ret = do_cpt_init(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "do_cpt_init failed with ret: %d\n", ret);
+ goto fw_release;
+ }
+
+ dev_info(dev, "Microcode Loaded %s\n", mcode->version);
+ mcode->is_mc_valid = 1;
+ cpt->next_mc_idx++;
+
+fw_release:
+ release_firmware(fw_entry);
+
+ return ret;
+}
+
+static int cpt_ucode_load(struct cpt_device *cpt)
+{
+ int ret = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ ret = cpt_ucode_load_fw(cpt, "cpt8x-mc-ae.out", true);
+ if (ret) {
+ dev_err(dev, "ae:cpt_ucode_load failed with ret: %d\n", ret);
+ return ret;
+ }
+ ret = cpt_ucode_load_fw(cpt, "cpt8x-mc-se.out", false);
+ if (ret) {
+ dev_err(dev, "se:cpt_ucode_load failed with ret: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static irqreturn_t cpt_mbx0_intr_handler(int irq, void *cpt_irq)
+{
+ struct cpt_device *cpt = (struct cpt_device *)cpt_irq;
+
+ cpt_mbox_intr_handler(cpt, 0);
+
+ return IRQ_HANDLED;
+}
+
+static void cpt_reset(struct cpt_device *cpt)
+{
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_RESET(0), 1);
+}
+
+static void cpt_find_max_enabled_cores(struct cpt_device *cpt)
+{
+ union cptx_pf_constants pf_cnsts = {0};
+
+ pf_cnsts.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_CONSTANTS(0));
+ cpt->max_se_cores = pf_cnsts.s.se;
+ cpt->max_ae_cores = pf_cnsts.s.ae;
+}
+
+static u32 cpt_check_bist_status(struct cpt_device *cpt)
+{
+ union cptx_pf_bist_status bist_sts = {0};
+
+ bist_sts.u = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_BIST_STATUS(0));
+
+ return bist_sts.u;
+}
+
+static u64 cpt_check_exe_bist_status(struct cpt_device *cpt)
+{
+ union cptx_pf_exe_bist_status bist_sts = {0};
+
+ bist_sts.u = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXE_BIST_STATUS(0));
+
+ return bist_sts.u;
+}
+
+static void cpt_disable_all_cores(struct cpt_device *cpt)
+{
+ u32 grp, timeout = 100;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Disengage the cores from groups */
+ for (grp = 0; grp < CPT_MAX_CORE_GROUPS; grp++) {
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp), 0);
+ udelay(CSR_DELAY);
+ }
+
+ grp = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXEC_BUSY(0));
+ while (grp) {
+ dev_err(dev, "Cores still busy");
+ grp = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXEC_BUSY(0));
+ if (timeout--)
+ break;
+
+ udelay(CSR_DELAY);
+ }
+ /* Disable the cores */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0), 0);
+}
+
+/*
+ * Ensure all cores are disengaged from all groups by
+ * calling cpt_disable_all_cores() before calling this
+ * function.
+ */
+static void cpt_unload_microcode(struct cpt_device *cpt)
+{
+ u32 grp = 0, core;
+
+ /* Free microcode bases and reset group masks */
+ for (grp = 0; grp < CPT_MAX_CORE_GROUPS; grp++) {
+ struct microcode *mcode = &cpt->mcode[grp];
+
+ if (cpt->mcode[grp].code)
+ dma_free_coherent(&cpt->pdev->dev, mcode->code_size,
+ mcode->code, mcode->phys_base);
+ mcode->code = NULL;
+ }
+ /* Clear UCODE_BASE registers for all engines */
+ for (core = 0; core < CPT_MAX_TOTAL_CORES; core++)
+ cpt_write_csr64(cpt->reg_base,
+ CPTX_PF_ENGX_UCODE_BASE(0, core), 0ull);
+}
+
+static int cpt_device_init(struct cpt_device *cpt)
+{
+ u64 bist;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Reset the PF when probed first */
+ cpt_reset(cpt);
+ msleep(100);
+
+ /*Check BIST status*/
+ bist = (u64)cpt_check_bist_status(cpt);
+ if (bist) {
+ dev_err(dev, "RAM BIST failed with code 0x%llx", bist);
+ return -ENODEV;
+ }
+
+ bist = cpt_check_exe_bist_status(cpt);
+ if (bist) {
+ dev_err(dev, "Engine BIST failed with code 0x%llx", bist);
+ return -ENODEV;
+ }
+
+ /*Get CLK frequency*/
+ /*Get max enabled cores */
+ cpt_find_max_enabled_cores(cpt);
+ /*Disable all cores*/
+ cpt_disable_all_cores(cpt);
+ /*Reset device parameters*/
+ cpt->next_mc_idx = 0;
+ cpt->next_group = 0;
+ /* PF is ready */
+ cpt->flags |= CPT_FLAG_DEVICE_READY;
+
+ return 0;
+}
+
+static int cpt_register_interrupts(struct cpt_device *cpt)
+{
+ int ret;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Enable MSI-X */
+ ret = pci_alloc_irq_vectors(cpt->pdev, CPT_PF_MSIX_VECTORS,
+ CPT_PF_MSIX_VECTORS, PCI_IRQ_MSIX);
+ if (ret < 0) {
+ dev_err(&cpt->pdev->dev, "Request for #%d msix vectors failed\n",
+ CPT_PF_MSIX_VECTORS);
+ return ret;
+ }
+
+ /* Register mailbox interrupt handlers */
+ ret = request_irq(pci_irq_vector(cpt->pdev, CPT_PF_INT_VEC_E_MBOXX(0)),
+ cpt_mbx0_intr_handler, 0, "CPT Mbox0", cpt);
+ if (ret)
+ goto fail;
+
+ /* Enable mailbox interrupt */
+ cpt_enable_mbox_interrupts(cpt);
+ return 0;
+
+fail:
+ dev_err(dev, "Request irq failed\n");
+ pci_disable_msix(cpt->pdev);
+ return ret;
+}
+
+static void cpt_unregister_interrupts(struct cpt_device *cpt)
+{
+ free_irq(pci_irq_vector(cpt->pdev, CPT_PF_INT_VEC_E_MBOXX(0)), cpt);
+ pci_disable_msix(cpt->pdev);
+}
+
+static int cpt_sriov_init(struct cpt_device *cpt, int num_vfs)
+{
+ int pos = 0;
+ int err;
+ u16 total_vf_cnt;
+ struct pci_dev *pdev = cpt->pdev;
+
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos) {
+ dev_err(&pdev->dev, "SRIOV capability is not found in PCIe config space\n");
+ return -ENODEV;
+ }
+
+ cpt->num_vf_en = num_vfs; /* User requested VFs */
+ pci_read_config_word(pdev, (pos + PCI_SRIOV_TOTAL_VF), &total_vf_cnt);
+ if (total_vf_cnt < cpt->num_vf_en)
+ cpt->num_vf_en = total_vf_cnt;
+
+ if (!total_vf_cnt)
+ return 0;
+
+ /*Enabled the available VFs */
+ err = pci_enable_sriov(pdev, cpt->num_vf_en);
+ if (err) {
+ dev_err(&pdev->dev, "SRIOV enable failed, num VF is %d\n",
+ cpt->num_vf_en);
+ cpt->num_vf_en = 0;
+ return err;
+ }
+
+ /* TODO: Optionally enable static VQ priorities feature */
+
+ dev_info(&pdev->dev, "SRIOV enabled, number of VF available %d\n",
+ cpt->num_vf_en);
+
+ cpt->flags |= CPT_FLAG_SRIOV_ENABLED;
+
+ return 0;
+}
+
+static int cpt_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ struct cpt_device *cpt;
+ int err;
+
+ if (num_vfs > 16 || num_vfs < 4) {
+ dev_warn(dev, "Invalid vf count %d, Resetting it to 4(default)\n",
+ num_vfs);
+ num_vfs = 4;
+ }
+
+ cpt = devm_kzalloc(dev, sizeof(*cpt), GFP_KERNEL);
+ if (!cpt)
+ return -ENOMEM;
+
+ pci_set_drvdata(pdev, cpt);
+ cpt->pdev = pdev;
+ err = pci_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device\n");
+ pci_set_drvdata(pdev, NULL);
+ return err;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ dev_err(dev, "PCI request regions failed 0x%x\n", err);
+ goto cpt_err_disable_device;
+ }
+
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get usable 48-bit DMA configuration\n");
+ goto cpt_err_release_regions;
+ }
+
+ /* MAP PF's configuration registers */
+ cpt->reg_base = pcim_iomap(pdev, 0, 0);
+ if (!cpt->reg_base) {
+ dev_err(dev, "Cannot map config register space, aborting\n");
+ err = -ENOMEM;
+ goto cpt_err_release_regions;
+ }
+
+ /* CPT device HW initialization */
+ cpt_device_init(cpt);
+
+ /* Register interrupts */
+ err = cpt_register_interrupts(cpt);
+ if (err)
+ goto cpt_err_release_regions;
+
+ err = cpt_ucode_load(cpt);
+ if (err)
+ goto cpt_err_unregister_interrupts;
+
+ /* Configure SRIOV */
+ err = cpt_sriov_init(cpt, num_vfs);
+ if (err)
+ goto cpt_err_unregister_interrupts;
+
+ return 0;
+
+cpt_err_unregister_interrupts:
+ cpt_unregister_interrupts(cpt);
+cpt_err_release_regions:
+ pci_release_regions(pdev);
+cpt_err_disable_device:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ return err;
+}
+
+static void cpt_remove(struct pci_dev *pdev)
+{
+ struct cpt_device *cpt = pci_get_drvdata(pdev);
+
+ /* Disengage SE and AE cores from all groups*/
+ cpt_disable_all_cores(cpt);
+ /* Unload microcodes */
+ cpt_unload_microcode(cpt);
+ cpt_unregister_interrupts(cpt);
+ pci_disable_sriov(pdev);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static void cpt_shutdown(struct pci_dev *pdev)
+{
+ struct cpt_device *cpt = pci_get_drvdata(pdev);
+
+ if (!cpt)
+ return;
+
+ dev_info(&pdev->dev, "Shutdown device %x:%x.\n",
+ (u32)pdev->vendor, (u32)pdev->device);
+
+ cpt_unregister_interrupts(cpt);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+/* Supported devices */
+static const struct pci_device_id cpt_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_PF_DEVICE_ID) },
+ { 0, } /* end of table */
+};
+
+static struct pci_driver cpt_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = cpt_id_table,
+ .probe = cpt_probe,
+ .remove = cpt_remove,
+ .shutdown = cpt_shutdown,
+};
+
+module_pci_driver(cpt_pci_driver);
+
+MODULE_AUTHOR("George Cherian <george.cherian@cavium.com>");
+MODULE_DESCRIPTION("Cavium Thunder CPT Physical Function Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, cpt_id_table);