From 244f572cebec71f7a79a94706eded4d2213a4f1b Mon Sep 17 00:00:00 2001 From: Jack Xu Date: Fri, 6 Nov 2020 19:28:07 +0800 Subject: [PATCH] crypto: qat - allow to target specific AEs Introduce new API, qat_uclo_set_cfg_ae_mask(), to allow the load of the firmware image to a subset of Acceleration Engines (AEs). This is required by the next generation of QAT devices to be able to load different firmware images to the device. Signed-off-by: Jack Xu Reviewed-by: Giovanni Cabiddu Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/adf_common_drv.h | 2 ++ .../qat/qat_common/icp_qat_fw_loader_handle.h | 1 + drivers/crypto/qat/qat_common/icp_qat_hal.h | 2 ++ drivers/crypto/qat/qat_common/icp_qat_uclo.h | 2 +- drivers/crypto/qat/qat_common/qat_hal.c | 1 + drivers/crypto/qat/qat_common/qat_uclo.c | 42 ++++++++++++++++++---- 6 files changed, 42 insertions(+), 8 deletions(-) diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index f4c90c7..c614765 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -186,6 +186,8 @@ int qat_uclo_wr_mimage(struct icp_qat_fw_loader_handle *handle, void *addr_ptr, int mem_size); int qat_uclo_map_obj(struct icp_qat_fw_loader_handle *handle, void *addr_ptr, u32 mem_size, char *obj_name); +int qat_uclo_set_cfg_ae_mask(struct icp_qat_fw_loader_handle *handle, + unsigned int cfg_ae_mask); #if defined(CONFIG_PCI_IOV) int adf_sriov_configure(struct pci_dev *pdev, int numvfs); void adf_disable_sriov(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h b/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h index e280a07..cc9b83d 100644 --- a/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h +++ b/drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h @@ -49,6 +49,7 @@ struct icp_qat_fw_loader_handle { void *obj_handle; void *sobj_handle; void *mobj_handle; + unsigned int cfg_ae_mask; void __iomem *hal_sram_addr_v; void __iomem *hal_cap_g_ctl_csr_addr_v; void __iomem *hal_cap_ae_xfer_csr_addr_v; diff --git a/drivers/crypto/qat/qat_common/icp_qat_hal.h b/drivers/crypto/qat/qat_common/icp_qat_hal.h index b3aa4c8..02476b2 100644 --- a/drivers/crypto/qat/qat_common/icp_qat_hal.h +++ b/drivers/crypto/qat/qat_common/icp_qat_hal.h @@ -68,6 +68,8 @@ enum fcu_sts { FCU_STS_LOAD_FAIL = 4, FCU_STS_BUSY = 5 }; + +#define ALL_AE_MASK 0xFFFFFFFF #define UA_ECS (0x1 << 31) #define ACS_ABO_BITPOS 31 #define ACS_ACNO 0x7 diff --git a/drivers/crypto/qat/qat_common/icp_qat_uclo.h b/drivers/crypto/qat/qat_common/icp_qat_uclo.h index 4315b45..0ec8a5a 100644 --- a/drivers/crypto/qat/qat_common/icp_qat_uclo.h +++ b/drivers/crypto/qat/qat_common/icp_qat_uclo.h @@ -432,7 +432,7 @@ struct icp_qat_suof_handle { struct icp_qat_fw_auth_desc { unsigned int img_len; - unsigned int reserved; + unsigned int ae_mask; unsigned int css_hdr_high; unsigned int css_hdr_low; unsigned int img_high; diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c index da138fb..94c0b04 100644 --- a/drivers/crypto/qat/qat_common/qat_hal.c +++ b/drivers/crypto/qat/qat_common/qat_hal.c @@ -761,6 +761,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle, handle->hal_handle->revision_id = accel_dev->accel_pci_dev.revid; handle->hal_handle->ae_mask = hw_data->ae_mask; handle->hal_handle->slice_mask = hw_data->accel_mask; + handle->cfg_ae_mask = ALL_AE_MASK; /* create AE objects */ handle->hal_handle->upc_mask = 0x1ffff; handle->hal_handle->max_ustore = 0x4000; diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c index 3c5746d..c6b309d 100644 --- a/drivers/crypto/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/qat/qat_common/qat_uclo.c @@ -374,6 +374,7 @@ static int qat_uclo_init_ustore(struct icp_qat_fw_loader_handle *handle, unsigned int patt_pos; struct icp_qat_uclo_objhandle *obj_handle = handle->obj_handle; unsigned long ae_mask = handle->hal_handle->ae_mask; + unsigned long cfg_ae_mask = handle->cfg_ae_mask; u64 *fill_data; uof_image = image->img_ptr; @@ -389,6 +390,10 @@ static int qat_uclo_init_ustore(struct icp_qat_fw_loader_handle *handle, for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) { if (!test_bit(ae, (unsigned long *)&uof_image->ae_assigned)) continue; + + if (!test_bit(ae, &cfg_ae_mask)) + continue; + ustore_size = obj_handle->ae_data[ae].eff_ustore_size; patt_pos = page->beg_addr_p + page->micro_words_num; @@ -653,8 +658,12 @@ static int qat_uclo_map_ae(struct icp_qat_fw_loader_handle *handle, int max_ae) int mflag = 0; struct icp_qat_uclo_objhandle *obj_handle = handle->obj_handle; unsigned long ae_mask = handle->hal_handle->ae_mask; + unsigned long cfg_ae_mask = handle->cfg_ae_mask; for_each_set_bit(ae, &ae_mask, max_ae) { + if (!test_bit(ae, &cfg_ae_mask)) + continue; + for (i = 0; i < obj_handle->uimage_num; i++) { if (!test_bit(ae, (unsigned long *) &obj_handle->ae_uimage[i].img_ptr->ae_assigned)) @@ -931,10 +940,14 @@ static int qat_uclo_set_ae_mode(struct icp_qat_fw_loader_handle *handle) struct icp_qat_uclo_aedata *ae_data; struct icp_qat_uclo_objhandle *obj_handle = handle->obj_handle; unsigned long ae_mask = handle->hal_handle->ae_mask; + unsigned long cfg_ae_mask = handle->cfg_ae_mask; unsigned char ae, s; int error; for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) { + if (!test_bit(ae, &cfg_ae_mask)) + continue; + ae_data = &obj_handle->ae_data[ae]; for (s = 0; s < min_t(unsigned int, ae_data->slice_num, ICP_QAT_UCLO_MAX_CTX); s++) { @@ -1176,6 +1189,7 @@ static int qat_uclo_map_suof(struct icp_qat_fw_loader_handle *handle, &suof_img_hdr[i]); if (ret) return ret; + suof_img_hdr[i].ae_mask &= handle->cfg_ae_mask; if ((suof_img_hdr[i].ae_mask & 0x1) != 0) ae0_img = i; } @@ -1277,6 +1291,7 @@ static int qat_uclo_map_auth_fw(struct icp_qat_fw_loader_handle *handle, struct icp_qat_auth_chunk *auth_chunk; u64 virt_addr, bus_addr, virt_base; unsigned int length, simg_offset = sizeof(*auth_chunk); + struct icp_qat_simg_ae_mode *simg_ae_mode; struct icp_firml_dram_desc img_desc; if (size > (ICP_QAT_AE_IMG_OFFSET(handle) + ICP_QAT_CSS_MAX_IMAGE_LEN)) { @@ -1366,6 +1381,11 @@ static int qat_uclo_map_auth_fw(struct icp_qat_fw_loader_handle *handle, auth_desc->img_ae_insts_high = (unsigned int) (bus_addr >> BITS_IN_DWORD); auth_desc->img_ae_insts_low = (unsigned int)bus_addr; + virt_addr += sizeof(struct icp_qat_css_hdr); + virt_addr += ICP_QAT_CSS_FWSK_PUB_LEN(handle); + virt_addr += ICP_QAT_CSS_SIGNATURE_LEN(handle); + simg_ae_mode = (struct icp_qat_simg_ae_mode *)(uintptr_t)virt_addr; + auth_desc->ae_mask = simg_ae_mode->ae_mask & handle->cfg_ae_mask; } else { auth_desc->img_ae_insts_high = auth_desc->img_high; auth_desc->img_ae_insts_low = auth_desc->img_low; @@ -1377,7 +1397,6 @@ static int qat_uclo_map_auth_fw(struct icp_qat_fw_loader_handle *handle, static int qat_uclo_load_fw(struct icp_qat_fw_loader_handle *handle, struct icp_qat_fw_auth_desc *desc) { - struct icp_qat_simg_ae_mode *virt_addr; unsigned long ae_mask = handle->hal_handle->ae_mask; u32 fcu_sts_csr, fcu_ctl_csr; u32 loaded_aes, loaded_csr; @@ -1388,15 +1407,10 @@ static int qat_uclo_load_fw(struct icp_qat_fw_loader_handle *handle, fcu_sts_csr = handle->chip_info->fcu_sts_csr; loaded_csr = handle->chip_info->fcu_loaded_ae_csr; - virt_addr = (void *)((uintptr_t)desc + - sizeof(struct icp_qat_auth_chunk) + - sizeof(struct icp_qat_css_hdr) + - ICP_QAT_CSS_FWSK_PUB_LEN(handle) + - ICP_QAT_CSS_SIGNATURE_LEN(handle)); for_each_set_bit(i, &ae_mask, handle->hal_handle->ae_max_num) { int retry = 0; - if (!((virt_addr->ae_mask >> i) & 0x1)) + if (!((desc->ae_mask >> i) & 0x1)) continue; if (qat_hal_check_ae_active(handle, i)) { pr_err("QAT: AE %d is active\n", i); @@ -1866,6 +1880,7 @@ static void qat_uclo_wr_uimage_page(struct icp_qat_fw_loader_handle *handle, { struct icp_qat_uclo_objhandle *obj_handle = handle->obj_handle; unsigned long ae_mask = handle->hal_handle->ae_mask; + unsigned long cfg_ae_mask = handle->cfg_ae_mask; unsigned long ae_assigned = image->ae_assigned; struct icp_qat_uclo_aedata *aed; unsigned int ctx_mask, s; @@ -1880,6 +1895,9 @@ static void qat_uclo_wr_uimage_page(struct icp_qat_fw_loader_handle *handle, /* load the default page and set assigned CTX PC * to the entrypoint address */ for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) { + if (!test_bit(ae, &cfg_ae_mask)) + continue; + if (!test_bit(ae, &ae_assigned)) continue; @@ -1957,3 +1975,13 @@ int qat_uclo_wr_all_uimage(struct icp_qat_fw_loader_handle *handle) return (handle->chip_info->fw_auth) ? qat_uclo_wr_suof_img(handle) : qat_uclo_wr_uof_img(handle); } + +int qat_uclo_set_cfg_ae_mask(struct icp_qat_fw_loader_handle *handle, + unsigned int cfg_ae_mask) +{ + if (!cfg_ae_mask) + return -EINVAL; + + handle->cfg_ae_mask = cfg_ae_mask; + return 0; +} -- 2.7.4