diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.c')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index b34ab5184bd9..efc0a6cbfe22 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -20,6 +20,7 @@ #include "unipro.h" #include "ufs-sysfs.h" #include "ufs_bsg.h" +#include "ufshcd-crypto.h" #include <asm/unaligned.h> #include <linux/blkdev.h> @@ -837,7 +838,12 @@ static void ufshcd_enable_run_stop_reg(struct ufs_hba *hba) */ static inline void ufshcd_hba_start(struct ufs_hba *hba) { - ufshcd_writel(hba, CONTROLLER_ENABLE, REG_CONTROLLER_ENABLE); + u32 val = CONTROLLER_ENABLE; + + if (ufshcd_crypto_enable(hba)) + val |= CRYPTO_GENERAL_ENABLE; + + ufshcd_writel(hba, val, REG_CONTROLLER_ENABLE); } /** @@ -1996,15 +2002,26 @@ int ufshcd_copy_query_response(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) /** * ufshcd_hba_capabilities - Read controller capabilities * @hba: per adapter instance + * + * Return: 0 on success, negative on error. */ -static inline void ufshcd_hba_capabilities(struct ufs_hba *hba) +static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) { + int err; + hba->capabilities = ufshcd_readl(hba, REG_CONTROLLER_CAPABILITIES); /* nutrs and nutmrs are 0 based values */ hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1; hba->nutmrs = ((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1; + + /* Read crypto capabilities */ + err = ufshcd_hba_init_crypto_capabilities(hba); + if (err) + dev_err(hba->dev, "crypto setup failed\n"); + + return err; } /** @@ -2245,6 +2262,8 @@ static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr; u32 data_direction; u32 dword_0; + u32 dword_1 = 0; + u32 dword_3 = 0; if (cmd_dir == DMA_FROM_DEVICE) { data_direction = UTP_DEVICE_TO_HOST; @@ -2262,10 +2281,12 @@ static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, if (lrbp->intr_cmd) dword_0 |= UTP_REQ_DESC_INT_CMD; + /* Prepare crypto related dwords */ + ufshcd_prepare_req_desc_hdr_crypto(lrbp, &dword_0, &dword_1, &dword_3); + /* Transfer request descriptor header fields */ req_desc->header.dword_0 = cpu_to_le32(dword_0); - /* dword_1 is reserved, hence it is set to 0 */ - req_desc->header.dword_1 = 0; + req_desc->header.dword_1 = cpu_to_le32(dword_1); /* * assigning invalid value for command status. Controller * updates OCS on command completion, with the command @@ -2273,8 +2294,7 @@ static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, */ req_desc->header.dword_2 = cpu_to_le32(OCS_INVALID_COMMAND_STATUS); - /* dword_3 is reserved, hence it is set to 0 */ - req_desc->header.dword_3 = 0; + req_desc->header.dword_3 = cpu_to_le32(dword_3); req_desc->prd_table_length = 0; } @@ -2529,6 +2549,9 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) lrbp->task_tag = tag; lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun); lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false; + + ufshcd_prepare_lrbp_crypto(cmd->request, lrbp); + lrbp->req_abort_skip = false; ufshcd_comp_scsi_upiu(hba, lrbp); @@ -2562,6 +2585,7 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, lrbp->task_tag = tag; lrbp->lun = 0; /* device management cmd is not specific to any LUN */ lrbp->intr_cmd = true; /* No interrupt aggregation */ + ufshcd_prepare_lrbp_crypto(NULL, lrbp); hba->dev_cmd.type = cmd_type; return ufshcd_comp_devman_upiu(hba, lrbp); @@ -4670,6 +4694,8 @@ static int ufshcd_slave_configure(struct scsi_device *sdev) if (ufshcd_is_rpm_autosuspend_allowed(hba)) sdev->rpm_autosuspend = 1; + ufshcd_crypto_setup_rq_keyslot_manager(hba, q); + return 0; } @@ -6146,6 +6172,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, lrbp->task_tag = tag; lrbp->lun = 0; lrbp->intr_cmd = true; + ufshcd_prepare_lrbp_crypto(NULL, lrbp); hba->dev_cmd.type = cmd_type; switch (hba->ufs_version) { @@ -8655,6 +8682,7 @@ EXPORT_SYMBOL_GPL(ufshcd_remove); */ void ufshcd_dealloc_host(struct ufs_hba *hba) { + ufshcd_crypto_destroy_keyslot_manager(hba); scsi_host_put(hba->host); } EXPORT_SYMBOL_GPL(ufshcd_dealloc_host); @@ -8755,7 +8783,9 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) goto out_error; /* Read capabilities registers */ - ufshcd_hba_capabilities(hba); + err = ufshcd_hba_capabilities(hba); + if (err) + goto out_disable; /* Get UFS version supported by the controller */ hba->ufs_version = ufshcd_get_ufs_version(hba); @@ -8865,6 +8895,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) /* Reset the attached device */ ufshcd_vops_device_reset(hba); + ufshcd_init_crypto(hba); + /* Host controller enable */ err = ufshcd_hba_enable(hba); if (err) { |