diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_main.c')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_main.c | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c index bc924980e10c..432a61aca0c5 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_main.c +++ b/drivers/crypto/cavium/nitrox/nitrox_main.c @@ -35,7 +35,7 @@ static LIST_HEAD(ndevlist); static DEFINE_MUTEX(devlist_lock); static unsigned int num_devices; -/** +/* * nitrox_pci_tbl - PCI Device ID Table */ static const struct pci_device_id nitrox_pci_tbl[] = { @@ -49,15 +49,6 @@ static unsigned int qlen = DEFAULT_CMD_QLEN; module_param(qlen, uint, 0644); MODULE_PARM_DESC(qlen, "Command queue length - default 2048"); -#ifdef CONFIG_PCI_IOV -int nitrox_sriov_configure(struct pci_dev *pdev, int num_vfs); -#else -int nitrox_sriov_configure(struct pci_dev *pdev, int num_vfs) -{ - return 0; -} -#endif - /** * struct ucode - Firmware Header * @id: microcode ID @@ -71,10 +62,10 @@ struct ucode { char version[VERSION_LEN - 1]; __be32 code_size; u8 raz[12]; - u64 code[0]; + u64 code[]; }; -/** +/* * write_to_ucd_unit - Write Firmware to NITROX UCD unit */ static void write_to_ucd_unit(struct nitrox_device *ndev, u32 ucode_size, @@ -103,8 +94,7 @@ static void write_to_ucd_unit(struct nitrox_device *ndev, u32 ucode_size, offset = UCD_UCODE_LOAD_BLOCK_NUM; nitrox_write_csr(ndev, offset, block_num); - code_size = ucode_size; - code_size = roundup(code_size, 8); + code_size = roundup(ucode_size, 16); while (code_size) { data = ucode_data[i]; /* write 8 bytes at a time */ @@ -220,11 +210,11 @@ static int nitrox_load_fw(struct nitrox_device *ndev) /* write block number and firmware length * bit:<2:0> block number - * bit:3 is set SE uses 32KB microcode - * bit:3 is clear SE uses 64KB microcode + * bit:3 is set AE uses 32KB microcode + * bit:3 is clear AE uses 64KB microcode */ core_2_eid_val.value = 0ULL; - core_2_eid_val.ucode_blk = 0; + core_2_eid_val.ucode_blk = 2; if (ucode_size <= CNN55XX_UCD_BLOCK_SIZE) core_2_eid_val.ucode_len = 1; else @@ -279,12 +269,14 @@ static void nitrox_remove_from_devlist(struct nitrox_device *ndev) struct nitrox_device *nitrox_get_first_device(void) { - struct nitrox_device *ndev = NULL; + struct nitrox_device *ndev = NULL, *iter; mutex_lock(&devlist_lock); - list_for_each_entry(ndev, &ndevlist, list) { - if (nitrox_ready(ndev)) + list_for_each_entry(iter, &ndevlist, list) { + if (nitrox_ready(iter)) { + ndev = iter; break; + } } mutex_unlock(&devlist_lock); if (!ndev) @@ -316,9 +308,7 @@ static int nitrox_device_flr(struct pci_dev *pdev) return -ENOMEM; } - /* check flr support */ - if (pcie_has_flr(pdev)) - pcie_flr(pdev); + pcie_reset_flr(pdev, PCI_RESET_DO_RESET); pci_restore_state(pdev); @@ -347,7 +337,7 @@ static void nitrox_pf_sw_cleanup(struct nitrox_device *ndev) } /** - * nitrox_bist_check - Check NITORX BIST registers status + * nitrox_bist_check - Check NITROX BIST registers status * @ndev: NITROX device */ static int nitrox_bist_check(struct nitrox_device *ndev) @@ -434,8 +424,7 @@ static int nitrox_probe(struct pci_dev *pdev, err = nitrox_device_flr(pdev); if (err) { dev_err(&pdev->dev, "FLR failed\n"); - pci_disable_device(pdev); - return err; + goto flr_fail; } if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { @@ -444,16 +433,13 @@ static int nitrox_probe(struct pci_dev *pdev, err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) { dev_err(&pdev->dev, "DMA configuration failed\n"); - pci_disable_device(pdev); - return err; + goto flr_fail; } } err = pci_request_mem_regions(pdev, nitrox_driver_name); - if (err) { - pci_disable_device(pdev); - return err; - } + if (err) + goto flr_fail; pci_set_master(pdev); ndev = kzalloc(sizeof(*ndev), GFP_KERNEL); @@ -489,7 +475,7 @@ static int nitrox_probe(struct pci_dev *pdev, err = nitrox_pf_sw_init(ndev); if (err) - goto ioremap_err; + goto pf_sw_fail; err = nitrox_pf_hw_init(ndev); if (err) @@ -519,12 +505,15 @@ crypto_fail: smp_mb__after_atomic(); pf_hw_fail: nitrox_pf_sw_cleanup(ndev); +pf_sw_fail: + iounmap(ndev->bar_addr); ioremap_err: nitrox_remove_from_devlist(ndev); kfree(ndev); pci_set_drvdata(pdev, NULL); ndev_fail: pci_release_mem_regions(pdev); +flr_fail: pci_disable_device(pdev); return err; } @@ -555,10 +544,8 @@ static void nitrox_remove(struct pci_dev *pdev) nitrox_remove_from_devlist(ndev); -#ifdef CONFIG_PCI_IOV /* disable SR-IOV */ nitrox_sriov_configure(pdev, 0); -#endif nitrox_crypto_unregister(); nitrox_debugfs_exit(ndev); nitrox_pf_sw_cleanup(ndev); @@ -584,9 +571,7 @@ static struct pci_driver nitrox_driver = { .probe = nitrox_probe, .remove = nitrox_remove, .shutdown = nitrox_shutdown, -#ifdef CONFIG_PCI_IOV .sriov_configure = nitrox_sriov_configure, -#endif }; module_pci_driver(nitrox_driver); |