From: Kai Ye yekai13@huawei.com
mainline inclusion from mainline-v5.12-rc1-dontuse commit 34932a6033be3c0088935c334e4dc5ad43dcb0cc category: feature bugzilla: 173981 CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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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 Signed-off-by: Mingqiang Ling lingmingqiang@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/crypto/hisilicon/sec2/sec_main.c | 39 +++++++++++++++++++++++- 1 file changed, 38 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index b35c1c2271a3..4809c19dcdc8 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -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) }, @@ -299,7 +322,11 @@ 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_NORMAL; + 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));
writel(SEC_SINGLE_PORT_MAX_TRANS, @@ -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)