diff options
author | Jack Xu <jack.xu@intel.com> | 2020-11-06 14:28:09 +0300 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-11-13 12:38:55 +0300 |
commit | 2778d64cf3f5517642555781df5628488e7d8186 (patch) | |
tree | 523a99fbe63d7ff18f887b85d149c8ab7198eb5c | |
parent | bd684d83c789dd4882a539075e45d46011a95bdf (diff) | |
download | linux-2778d64cf3f5517642555781df5628488e7d8186.tar.xz |
crypto: qat - add support for broadcasting mode
Add support for broadcasting mode in firmware loader to enable the next
generation of QAT devices.
Signed-off-by: Jack Xu <jack.xu@intel.com>
Co-developed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r-- | drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h | 1 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_common/icp_qat_hal.h | 10 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_hal.c | 1 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_uclo.c | 90 |
4 files changed, 99 insertions, 3 deletions
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 5b9f2e8c9451..b8f3463be6ef 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 @@ -15,6 +15,7 @@ struct icp_qat_fw_loader_ae_data { struct icp_qat_fw_loader_hal_handle { struct icp_qat_fw_loader_ae_data aes[ICP_QAT_UCLO_MAX_AE]; unsigned int ae_mask; + unsigned int admin_ae_mask; unsigned int slice_mask; unsigned int revision_id; unsigned int ae_max_num; diff --git a/drivers/crypto/qat/qat_common/icp_qat_hal.h b/drivers/crypto/qat/qat_common/icp_qat_hal.h index 02476b2ceee1..8372f18ebc80 100644 --- a/drivers/crypto/qat/qat_common/icp_qat_hal.h +++ b/drivers/crypto/qat/qat_common/icp_qat_hal.h @@ -53,6 +53,15 @@ enum fcu_csr { FCU_RAMBASE_ADDR_LO = 0x8d8 }; +enum fcu_csr_4xxx { + FCU_CONTROL_4XXX = 0x1000, + FCU_STATUS_4XXX = 0x1004, + FCU_ME_BROADCAST_MASK_TYPE = 0x1008, + FCU_AE_LOADED_4XXX = 0x1010, + FCU_DRAM_ADDR_LO_4XXX = 0x1014, + FCU_DRAM_ADDR_HI_4XXX = 0x1018, +}; + enum fcu_cmd { FCU_CTRL_CMD_NOOP = 0, FCU_CTRL_CMD_AUTH = 1, @@ -90,6 +99,7 @@ enum fcu_sts { #define LCS_STATUS (0x1) #define MMC_SHARE_CS_BITPOS 2 #define WAKEUP_EVENT 0x10000 +#define FCU_CTRL_BROADCAST_POS 0x4 #define FCU_CTRL_AE_POS 0x8 #define FCU_AUTH_STS_MASK 0x7 #define FCU_STS_DONE_POS 0x9 diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c index 6ccfb8cf3a07..a3c1f2163910 100644 --- a/drivers/crypto/qat/qat_common/qat_hal.c +++ b/drivers/crypto/qat/qat_common/qat_hal.c @@ -762,6 +762,7 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle, handle->pci_dev = pci_info->pci_dev; handle->hal_handle->revision_id = accel_dev->accel_pci_dev.revid; handle->hal_handle->ae_mask = hw_data->ae_mask; + handle->hal_handle->admin_ae_mask = hw_data->admin_ae_mask; handle->hal_handle->slice_mask = hw_data->accel_mask; handle->cfg_ae_mask = ALL_AE_MASK; /* create AE objects */ diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c index b280fb0722c5..c089c2709376 100644 --- a/drivers/crypto/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/qat/qat_common/qat_uclo.c @@ -1239,6 +1239,83 @@ auth_fail: return -EINVAL; } +static bool qat_uclo_is_broadcast(struct icp_qat_fw_loader_handle *handle, + int imgid) +{ + struct icp_qat_suof_handle *sobj_handle; + + if (!handle->chip_info->tgroup_share_ustore) + return false; + + sobj_handle = (struct icp_qat_suof_handle *)handle->sobj_handle; + if (handle->hal_handle->admin_ae_mask & + sobj_handle->img_table.simg_hdr[imgid].ae_mask) + return false; + + return true; +} + +static int qat_uclo_broadcast_load_fw(struct icp_qat_fw_loader_handle *handle, + struct icp_qat_fw_auth_desc *desc) +{ + unsigned long ae_mask = handle->hal_handle->ae_mask; + unsigned long desc_ae_mask = desc->ae_mask; + u32 fcu_sts, ae_broadcast_mask = 0; + u32 fcu_loaded_csr, ae_loaded; + u32 fcu_sts_csr, fcu_ctl_csr; + unsigned int ae, retry = 0; + + if (handle->chip_info->tgroup_share_ustore) { + fcu_ctl_csr = handle->chip_info->fcu_ctl_csr; + fcu_sts_csr = handle->chip_info->fcu_sts_csr; + fcu_loaded_csr = handle->chip_info->fcu_loaded_ae_csr; + } else { + pr_err("Chip 0x%x doesn't support broadcast load\n", + handle->pci_dev->device); + return -EINVAL; + } + + for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) { + if (qat_hal_check_ae_active(handle, (unsigned char)ae)) { + pr_err("QAT: Broadcast load failed. AE is not enabled or active.\n"); + return -EINVAL; + } + + if (test_bit(ae, &desc_ae_mask)) + ae_broadcast_mask |= 1 << ae; + } + + if (ae_broadcast_mask) { + SET_CAP_CSR(handle, FCU_ME_BROADCAST_MASK_TYPE, + ae_broadcast_mask); + + SET_CAP_CSR(handle, fcu_ctl_csr, FCU_CTRL_CMD_LOAD); + + do { + msleep(FW_AUTH_WAIT_PERIOD); + fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr); + fcu_sts &= FCU_AUTH_STS_MASK; + + if (fcu_sts == FCU_STS_LOAD_FAIL) { + pr_err("Broadcast load failed: 0x%x)\n", fcu_sts); + return -EINVAL; + } else if (fcu_sts == FCU_STS_LOAD_DONE) { + ae_loaded = GET_CAP_CSR(handle, fcu_loaded_csr); + ae_loaded >>= handle->chip_info->fcu_loaded_ae_pos; + + if ((ae_loaded & ae_broadcast_mask) == ae_broadcast_mask) + break; + } + } while (retry++ < FW_AUTH_MAX_RETRY); + + if (retry > FW_AUTH_MAX_RETRY) { + pr_err("QAT: broadcast load failed timeout %d\n", retry); + return -EINVAL; + } + } + return 0; +} + static int qat_uclo_simg_alloc(struct icp_qat_fw_loader_handle *handle, struct icp_firml_dram_desc *dram_desc, unsigned int size) @@ -1420,7 +1497,9 @@ static int qat_uclo_load_fw(struct icp_qat_fw_loader_handle *handle, return -EINVAL; } SET_CAP_CSR(handle, fcu_ctl_csr, - (FCU_CTRL_CMD_LOAD | (i << FCU_CTRL_AE_POS))); + (FCU_CTRL_CMD_LOAD | + (1 << FCU_CTRL_BROADCAST_POS) | + (i << FCU_CTRL_AE_POS))); do { msleep(FW_AUTH_WAIT_PERIOD); @@ -1945,8 +2024,13 @@ static int qat_uclo_wr_suof_img(struct icp_qat_fw_loader_handle *handle) goto wr_err; if (qat_uclo_auth_fw(handle, desc)) goto wr_err; - if (qat_uclo_load_fw(handle, desc)) - goto wr_err; + if (qat_uclo_is_broadcast(handle, i)) { + if (qat_uclo_broadcast_load_fw(handle, desc)) + goto wr_err; + } else { + if (qat_uclo_load_fw(handle, desc)) + goto wr_err; + } qat_uclo_ummap_auth_fw(handle, &desc); } return 0; |