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crypto: hisilicon/sec - register SEC device to uacce 

Register SEC device to uacce framework for user space.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kai Ye 2021-01-05 14:16:44 +08:00 committed by Herbert Xu
parent bedd04e4aa
commit 34932a6033
1 changed files with 38 additions and 1 deletions
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37
drivers/crypto/hisilicon/sec2/sec_main.c
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@ -13,6 +13,7 @@
#include <linux/pci.h>
#include <linux/seq_file.h>
#include <linux/topology.h>
#include <linux/uacce.h>
#include "sec.h"
@ -74,6 +75,16 @@
#define SEC_USER0_SMMU_NORMAL (BIT(23) | BIT(15))
#define SEC_USER1_SMMU_NORMAL (BIT(31) | BIT(23) | BIT(15) | BIT(7))
#define SEC_USER1_ENABLE_CONTEXT_SSV BIT(24)
#define SEC_USER1_ENABLE_DATA_SSV BIT(16)
#define SEC_USER1_WB_CONTEXT_SSV BIT(8)
#define SEC_USER1_WB_DATA_SSV BIT(0)
#define SEC_USER1_SVA_SET (SEC_USER1_ENABLE_CONTEXT_SSV | \
SEC_USER1_ENABLE_DATA_SSV | \
SEC_USER1_WB_CONTEXT_SSV | \
SEC_USER1_WB_DATA_SSV)
#define SEC_USER1_SMMU_SVA (SEC_USER1_SMMU_NORMAL | SEC_USER1_SVA_SET)
#define SEC_USER1_SMMU_MASK (~SEC_USER1_SVA_SET)
#define SEC_CORE_INT_STATUS_M_ECC BIT(2)
#define SEC_DELAY_10_US 10
@ -233,6 +244,18 @@ struct hisi_qp **sec_create_qps(void)
return NULL;
}
static const struct kernel_param_ops sec_uacce_mode_ops = {
.set = uacce_mode_set,
.get = param_get_int,
};
/*
* uacce_mode = 0 means sec only register to crypto,
* uacce_mode = 1 means sec both register to crypto and uacce.
*/
static u32 uacce_mode = UACCE_MODE_NOUACCE;
module_param_cb(uacce_mode, &sec_uacce_mode_ops, &uacce_mode, 0444);
MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC);
static const struct pci_device_id sec_dev_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, SEC_PF_PCI_DEVICE_ID) },
@ -299,6 +322,10 @@ static int sec_engine_init(struct hisi_qm *qm)
writel_relaxed(reg, SEC_ADDR(qm, SEC_INTERFACE_USER_CTRL0_REG));
reg = readl_relaxed(SEC_ADDR(qm, SEC_INTERFACE_USER_CTRL1_REG));
reg &= SEC_USER1_SMMU_MASK;
if (qm->use_sva)
reg |= SEC_USER1_SMMU_SVA;
else
reg |= SEC_USER1_SMMU_NORMAL;
writel_relaxed(reg, SEC_ADDR(qm, SEC_INTERFACE_USER_CTRL1_REG));
@ -758,6 +785,8 @@ static int sec_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
qm->pdev = pdev;
qm->ver = pdev->revision;
qm->algs = "cipher\ndigest\naead\n";
qm->mode = uacce_mode;
qm->sqe_size = SEC_SQE_SIZE;
qm->dev_name = sec_name;
@ -885,6 +914,14 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_qm_stop;
}
if (qm->uacce) {
ret = uacce_register(qm->uacce);
if (ret) {
pci_err(pdev, "failed to register uacce (%d)!\n", ret);
goto err_alg_unregister;
}
}
if (qm->fun_type == QM_HW_PF && vfs_num) {
ret = hisi_qm_sriov_enable(pdev, vfs_num);
if (ret < 0)