diff options
-rw-r--r-- | drivers/crypto/caam/Kconfig | 4 | ||||
-rw-r--r-- | drivers/crypto/caam/caamhash.c | 5 | ||||
-rw-r--r-- | drivers/crypto/caam/ctrl.c | 125 | ||||
-rw-r--r-- | drivers/crypto/caam/desc.h | 7 | ||||
-rw-r--r-- | drivers/crypto/caam/desc_constr.h | 44 | ||||
-rw-r--r-- | drivers/crypto/caam/jr.c | 22 | ||||
-rw-r--r-- | drivers/crypto/caam/pdb.h | 137 | ||||
-rw-r--r-- | drivers/crypto/caam/regs.h | 151 | ||||
-rw-r--r-- | drivers/crypto/caam/sg_sw_sec4.h | 11 |
9 files changed, 340 insertions, 166 deletions
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig index 5652a53415dc..d2c2909a4020 100644 --- a/drivers/crypto/caam/Kconfig +++ b/drivers/crypto/caam/Kconfig @@ -116,10 +116,6 @@ config CRYPTO_DEV_FSL_CAAM_IMX def_bool SOC_IMX6 || SOC_IMX7D depends on CRYPTO_DEV_FSL_CAAM -config CRYPTO_DEV_FSL_CAAM_LE - def_bool CRYPTO_DEV_FSL_CAAM_IMX || SOC_LS1021A - depends on CRYPTO_DEV_FSL_CAAM - config CRYPTO_DEV_FSL_CAAM_DEBUG bool "Enable debug output in CAAM driver" depends on CRYPTO_DEV_FSL_CAAM diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 5845d4a08797..f1ecc8df8d41 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -847,7 +847,7 @@ static int ahash_update_ctx(struct ahash_request *req) *next_buflen, 0); } else { (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= - SEC4_SG_LEN_FIN; + cpu_to_caam32(SEC4_SG_LEN_FIN); } state->current_buf = !state->current_buf; @@ -949,7 +949,8 @@ static int ahash_final_ctx(struct ahash_request *req) state->buf_dma = try_buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, buf, state->buf_dma, buflen, last_buflen); - (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= SEC4_SG_LEN_FIN; + (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= + cpu_to_caam32(SEC4_SG_LEN_FIN); edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, sec4_sg_bytes, DMA_TO_DEVICE); diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 5ad5f3009ae0..0ec112ee5204 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -15,6 +15,9 @@ #include "desc_constr.h" #include "error.h" +bool caam_little_end; +EXPORT_SYMBOL(caam_little_end); + /* * i.MX targets tend to have clock control subsystems that can * enable/disable clocking to our device. @@ -106,7 +109,7 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, if (ctrlpriv->virt_en == 1) { - setbits32(&ctrl->deco_rsr, DECORSR_JR0); + clrsetbits_32(&ctrl->deco_rsr, 0, DECORSR_JR0); while (!(rd_reg32(&ctrl->deco_rsr) & DECORSR_VALID) && --timeout) @@ -115,7 +118,7 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, timeout = 100000; } - setbits32(&ctrl->deco_rq, DECORR_RQD0ENABLE); + clrsetbits_32(&ctrl->deco_rq, 0, DECORR_RQD0ENABLE); while (!(rd_reg32(&ctrl->deco_rq) & DECORR_DEN0) && --timeout) @@ -123,12 +126,12 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, if (!timeout) { dev_err(ctrldev, "failed to acquire DECO 0\n"); - clrbits32(&ctrl->deco_rq, DECORR_RQD0ENABLE); + clrsetbits_32(&ctrl->deco_rq, DECORR_RQD0ENABLE, 0); return -ENODEV; } for (i = 0; i < desc_len(desc); i++) - wr_reg32(&deco->descbuf[i], *(desc + i)); + wr_reg32(&deco->descbuf[i], caam32_to_cpu(*(desc + i))); flags = DECO_JQCR_WHL; /* @@ -139,7 +142,7 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, flags |= DECO_JQCR_FOUR; /* Instruct the DECO to execute it */ - setbits32(&deco->jr_ctl_hi, flags); + clrsetbits_32(&deco->jr_ctl_hi, 0, flags); timeout = 10000000; do { @@ -158,10 +161,10 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, DECO_OP_STATUS_HI_ERR_MASK; if (ctrlpriv->virt_en == 1) - clrbits32(&ctrl->deco_rsr, DECORSR_JR0); + clrsetbits_32(&ctrl->deco_rsr, DECORSR_JR0, 0); /* Mark the DECO as free */ - clrbits32(&ctrl->deco_rq, DECORR_RQD0ENABLE); + clrsetbits_32(&ctrl->deco_rq, DECORR_RQD0ENABLE, 0); if (!timeout) return -EAGAIN; @@ -349,7 +352,7 @@ static void kick_trng(struct platform_device *pdev, int ent_delay) r4tst = &ctrl->r4tst[0]; /* put RNG4 into program mode */ - setbits32(&r4tst->rtmctl, RTMCTL_PRGM); + clrsetbits_32(&r4tst->rtmctl, 0, RTMCTL_PRGM); /* * Performance-wise, it does not make sense to @@ -363,7 +366,7 @@ static void kick_trng(struct platform_device *pdev, int ent_delay) >> RTSDCTL_ENT_DLY_SHIFT; if (ent_delay <= val) { /* put RNG4 into run mode */ - clrbits32(&r4tst->rtmctl, RTMCTL_PRGM); + clrsetbits_32(&r4tst->rtmctl, RTMCTL_PRGM, 0); return; } @@ -381,9 +384,9 @@ static void kick_trng(struct platform_device *pdev, int ent_delay) * select raw sampling in both entropy shifter * and statistical checker */ - setbits32(&val, RTMCTL_SAMP_MODE_RAW_ES_SC); + clrsetbits_32(&val, 0, RTMCTL_SAMP_MODE_RAW_ES_SC); /* put RNG4 into run mode */ - clrbits32(&val, RTMCTL_PRGM); + clrsetbits_32(&val, RTMCTL_PRGM, 0); /* write back the control register */ wr_reg32(&r4tst->rtmctl, val); } @@ -406,6 +409,23 @@ int caam_get_era(void) } EXPORT_SYMBOL(caam_get_era); +#ifdef CONFIG_DEBUG_FS +static int caam_debugfs_u64_get(void *data, u64 *val) +{ + *val = caam64_to_cpu(*(u64 *)data); + return 0; +} + +static int caam_debugfs_u32_get(void *data, u64 *val) +{ + *val = caam32_to_cpu(*(u32 *)data); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n"); +DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); +#endif + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { @@ -504,6 +524,10 @@ static int caam_probe(struct platform_device *pdev) ret = -ENOMEM; goto disable_caam_emi_slow; } + + caam_little_end = !(bool)(rd_reg32(&ctrl->perfmon.status) & + (CSTA_PLEND | CSTA_ALT_PLEND)); + /* Finding the page size for using the CTPR_MS register */ comp_params = rd_reg32(&ctrl->perfmon.comp_parms_ms); pg_size = (comp_params & CTPR_MS_PG_SZ_MASK) >> CTPR_MS_PG_SZ_SHIFT; @@ -559,9 +583,9 @@ static int caam_probe(struct platform_device *pdev) } if (ctrlpriv->virt_en == 1) - setbits32(&ctrl->jrstart, JRSTART_JR0_START | - JRSTART_JR1_START | JRSTART_JR2_START | - JRSTART_JR3_START); + clrsetbits_32(&ctrl->jrstart, 0, JRSTART_JR0_START | + JRSTART_JR1_START | JRSTART_JR2_START | + JRSTART_JR3_START); if (sizeof(dma_addr_t) == sizeof(u64)) if (of_device_is_compatible(nprop, "fsl,sec-v5.0")) @@ -693,7 +717,7 @@ static int caam_probe(struct platform_device *pdev) ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_IFMASK; /* Enable RDB bit so that RNG works faster */ - setbits32(&ctrl->scfgr, SCFGR_RDBENABLE); + clrsetbits_32(&ctrl->scfgr, 0, SCFGR_RDBENABLE); } /* NOTE: RTIC detection ought to go here, around Si time */ @@ -719,48 +743,59 @@ static int caam_probe(struct platform_device *pdev) ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); /* Controller-level - performance monitor counters */ + ctrlpriv->ctl_rq_dequeued = - debugfs_create_u64("rq_dequeued", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->req_dequeued); + debugfs_create_file("rq_dequeued", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->req_dequeued, + &caam_fops_u64_ro); ctrlpriv->ctl_ob_enc_req = - debugfs_create_u64("ob_rq_encrypted", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_enc_req); + debugfs_create_file("ob_rq_encrypted", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_enc_req, + &caam_fops_u64_ro); ctrlpriv->ctl_ib_dec_req = - debugfs_create_u64("ib_rq_decrypted", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_dec_req); + debugfs_create_file("ib_rq_decrypted", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_dec_req, + &caam_fops_u64_ro); ctrlpriv->ctl_ob_enc_bytes = - debugfs_create_u64("ob_bytes_encrypted", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_enc_bytes); + debugfs_create_file("ob_bytes_encrypted", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_enc_bytes, + &caam_fops_u64_ro); ctrlpriv->ctl_ob_prot_bytes = - debugfs_create_u64("ob_bytes_protected", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ob_prot_bytes); + debugfs_create_file("ob_bytes_protected", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ob_prot_bytes, + &caam_fops_u64_ro); ctrlpriv->ctl_ib_dec_bytes = - debugfs_create_u64("ib_bytes_decrypted", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_dec_bytes); + debugfs_create_file("ib_bytes_decrypted", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_dec_bytes, + &caam_fops_u64_ro); ctrlpriv->ctl_ib_valid_bytes = - debugfs_create_u64("ib_bytes_validated", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->ib_valid_bytes); + debugfs_create_file("ib_bytes_validated", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->ib_valid_bytes, + &caam_fops_u64_ro); /* Controller level - global status values */ ctrlpriv->ctl_faultaddr = - debugfs_create_u64("fault_addr", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->faultaddr); + debugfs_create_file("fault_addr", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->faultaddr, + &caam_fops_u32_ro); ctrlpriv->ctl_faultdetail = - debugfs_create_u32("fault_detail", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->faultdetail); + debugfs_create_file("fault_detail", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->faultdetail, + &caam_fops_u32_ro); ctrlpriv->ctl_faultstatus = - debugfs_create_u32("fault_status", - S_IRUSR | S_IRGRP | S_IROTH, - ctrlpriv->ctl, &perfmon->status); + debugfs_create_file("fault_status", + S_IRUSR | S_IRGRP | S_IROTH, + ctrlpriv->ctl, &perfmon->status, + &caam_fops_u32_ro); /* Internal covering keys (useful in non-secure mode only) */ ctrlpriv->ctl_kek_wrap.data = &ctrlpriv->ctrl->kek[0]; diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h index fe30ff69088c..d8d5584b600b 100644 --- a/drivers/crypto/caam/desc.h +++ b/drivers/crypto/caam/desc.h @@ -23,16 +23,15 @@ #define SEC4_SG_OFFSET_MASK 0x00001fff struct sec4_sg_entry { -#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX +#if !defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && \ + defined(CONFIG_CRYPTO_DEV_FSL_CAAM_IMX) u32 rsvd1; dma_addr_t ptr; #else u64 ptr; #endif /* CONFIG_CRYPTO_DEV_FSL_CAAM_IMX */ u32 len; - u8 rsvd2; - u8 buf_pool_id; - u16 offset; + u32 bpid_offset; }; /* Max size of any CAAM descriptor in 32-bit words, inclusive of header */ diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index 98d07de24fc4..ae3aef6e9fee 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -5,6 +5,7 @@ */ #include "desc.h" +#include "regs.h" #define IMMEDIATE (1 << 23) #define CAAM_CMD_SZ sizeof(u32) @@ -30,9 +31,11 @@ LDST_SRCDST_WORD_DECOCTRL | \ (LDOFF_ENABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT)) +extern bool caam_little_end; + static inline int desc_len(u32 *desc) { - return *desc & HDR_DESCLEN_MASK; + return caam32_to_cpu(*desc) & HDR_DESCLEN_MASK; } static inline int desc_bytes(void *desc) @@ -52,7 +55,7 @@ static inline void *sh_desc_pdb(u32 *desc) static inline void init_desc(u32 *desc, u32 options) { - *desc = (options | HDR_ONE) + 1; + *desc = cpu_to_caam32((options | HDR_ONE) + 1); } static inline void init_sh_desc(u32 *desc, u32 options) @@ -78,9 +81,10 @@ static inline void append_ptr(u32 *desc, dma_addr_t ptr) { dma_addr_t *offset = (dma_addr_t *)desc_end(desc); - *offset = ptr; + *offset = cpu_to_caam_dma(ptr); - (*desc) += CAAM_PTR_SZ / CAAM_CMD_SZ; + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + + CAAM_PTR_SZ / CAAM_CMD_SZ); } static inline void init_job_desc_shared(u32 *desc, dma_addr_t ptr, int len, @@ -99,16 +103,17 @@ static inline void append_data(u32 *desc, void *data, int len) if (len) /* avoid sparse warning: memcpy with byte count of 0 */ memcpy(offset, data, len); - (*desc) += (len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ; + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + + (len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ); } static inline void append_cmd(u32 *desc, u32 command) { u32 *cmd = desc_end(desc); - *cmd = command; + *cmd = cpu_to_caam32(command); - (*desc)++; + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 1); } #define append_u32 append_cmd @@ -117,16 +122,22 @@ static inline void append_u64(u32 *desc, u64 data) { u32 *offset = desc_end(desc); - *offset = upper_32_bits(data); - *(++offset) = lower_32_bits(data); + /* Only 32-bit alignment is guaranteed in descriptor buffer */ + if (caam_little_end) { + *offset = cpu_to_caam32(lower_32_bits(data)); + *(++offset) = cpu_to_caam32(upper_32_bits(data)); + } else { + *offset = cpu_to_caam32(upper_32_bits(data)); + *(++offset) = cpu_to_caam32(lower_32_bits(data)); + } - (*desc) += 2; + (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 2); } /* Write command without affecting header, and return pointer to next word */ static inline u32 *write_cmd(u32 *desc, u32 command) { - *desc = command; + *desc = cpu_to_caam32(command); return desc + 1; } @@ -168,14 +179,17 @@ APPEND_CMD_RET(move, MOVE) static inline void set_jump_tgt_here(u32 *desc, u32 *jump_cmd) { - *jump_cmd = *jump_cmd | (desc_len(desc) - (jump_cmd - desc)); + *jump_cmd = cpu_to_caam32(caam32_to_cpu(*jump_cmd) | + (desc_len(desc) - (jump_cmd - desc))); } static inline void set_move_tgt_here(u32 *desc, u32 *move_cmd) { - *move_cmd &= ~MOVE_OFFSET_MASK; - *move_cmd = *move_cmd | ((desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & - MOVE_OFFSET_MASK); + u32 val = caam32_to_cpu(*move_cmd); + + val &= ~MOVE_OFFSET_MASK; + val |= (desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & MOVE_OFFSET_MASK; + *move_cmd = cpu_to_caam32(val); } #define APPEND_CMD(cmd, op) \ diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index 5ef4be22eb80..a81f551ac222 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -31,7 +31,7 @@ static int caam_reset_hw_jr(struct device *dev) * mask interrupts since we are going to poll * for reset completion status */ - setbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK); + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JRCFG_IMSK); /* initiate flush (required prior to reset) */ wr_reg32(&jrp->rregs->jrcommand, JRCR_RESET); @@ -57,7 +57,7 @@ static int caam_reset_hw_jr(struct device *dev) } /* unmask interrupts */ - clrbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK); + clrsetbits_32(&jrp->rregs->rconfig_lo, JRCFG_IMSK, 0); return 0; } @@ -147,7 +147,7 @@ static irqreturn_t caam_jr_interrupt(int irq, void *st_dev) } /* mask valid interrupts */ - setbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK); + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JRCFG_IMSK); /* Have valid interrupt at this point, just ACK and trigger */ wr_reg32(&jrp->rregs->jrintstatus, irqstate); @@ -182,7 +182,7 @@ static void caam_jr_dequeue(unsigned long devarg) sw_idx = (tail + i) & (JOBR_DEPTH - 1); if (jrp->outring[hw_idx].desc == - jrp->entinfo[sw_idx].desc_addr_dma) + caam_dma_to_cpu(jrp->entinfo[sw_idx].desc_addr_dma)) break; /* found */ } /* we should never fail to find a matching descriptor */ @@ -200,7 +200,7 @@ static void caam_jr_dequeue(unsigned long devarg) usercall = jrp->entinfo[sw_idx].callbk; userarg = jrp->entinfo[sw_idx].cbkarg; userdesc = jrp->entinfo[sw_idx].desc_addr_virt; - userstatus = jrp->outring[hw_idx].jrstatus; + userstatus = caam32_to_cpu(jrp->outring[hw_idx].jrstatus); /* * Make sure all information from the job has been obtained @@ -236,7 +236,7 @@ static void caam_jr_dequeue(unsigned long devarg) } /* reenable / unmask IRQs */ - clrbits32(&jrp->rregs->rconfig_lo, JRCFG_IMSK); + clrsetbits_32(&jrp->rregs->rconfig_lo, JRCFG_IMSK, 0); } /** @@ -330,7 +330,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, int head, tail, desc_size; dma_addr_t desc_dma; - desc_size = (*desc & HDR_JD_LENGTH_MASK) * sizeof(u32); + desc_size = (caam32_to_cpu(*desc) & HDR_JD_LENGTH_MASK) * sizeof(u32); desc_dma = dma_map_single(dev, desc, desc_size, DMA_TO_DEVICE); if (dma_mapping_error(dev, desc_dma)) { dev_err(dev, "caam_jr_enqueue(): can't map jobdesc\n"); @@ -356,7 +356,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, head_entry->cbkarg = areq; head_entry->desc_addr_dma = desc_dma; - jrp->inpring[jrp->inp_ring_write_index] = desc_dma; + jrp->inpring[jrp->inp_ring_write_index] = cpu_to_caam_dma(desc_dma); /* * Guarantee that the descriptor's DMA address has been written to @@ -444,9 +444,9 @@ static int caam_jr_init(struct device *dev) spin_lock_init(&jrp->outlock); /* Select interrupt coalescing parameters */ - setbits32(&jrp->rregs->rconfig_lo, JOBR_INTC | - (JOBR_INTC_COUNT_THLD << JRCFG_ICDCT_SHIFT) | - (JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT)); + clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JOBR_INTC | + (JOBR_INTC_COUNT_THLD << JRCFG_ICDCT_SHIFT) | + (JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT)); return 0; diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h index 3a87c0cf879a..d383573d3dd4 100644 --- a/drivers/crypto/caam/pdb.h +++ b/drivers/crypto/caam/pdb.h @@ -11,8 +11,8 @@ /* * PDB- IPSec ESP Header Modification Options */ -#define PDBHMO_ESP_DECAP_SHIFT 12 -#define PDBHMO_ESP_ENCAP_SHIFT 4 +#define PDBHMO_ESP_DECAP_SHIFT 28 +#define PDBHMO_ESP_ENCAP_SHIFT 28 /* * Encap and Decap - Decrement TTL (Hop Limit) - Based on the value of the * Options Byte IP version (IPvsn) field: @@ -32,12 +32,23 @@ */ #define PDBHMO_ESP_DFBIT (0x04 << PDBHMO_ESP_ENCAP_SHIFT) +#define PDBNH_ESP_ENCAP_SHIFT 16 +#define PDBNH_ESP_ENCAP_MASK (0xff << PDBNH_ESP_ENCAP_SHIFT) + +#define PDBHDRLEN_ESP_DECAP_SHIFT 16 +#define PDBHDRLEN_MASK (0x0fff << PDBHDRLEN_ESP_DECAP_SHIFT) + +#define PDB_NH_OFFSET_SHIFT 8 +#define PDB_NH_OFFSET_MASK (0xff << PDB_NH_OFFSET_SHIFT) + /* * PDB - IPSec ESP Encap/Decap Options */ #define PDBOPTS_ESP_ARSNONE 0x00 /* no antireplay window */ #define PDBOPTS_ESP_ARS32 0x40 /* 32-entry antireplay window */ +#define PDBOPTS_ESP_ARS128 0x80 /* 128-entry antireplay window */ #define PDBOPTS_ESP_ARS64 0xc0 /* 64-entry antireplay window */ +#define PDBOPTS_ESP_ARS_MASK 0xc0 /* antireplay window mask */ #define PDBOPTS_ESP_IVSRC 0x20 /* IV comes from internal random gen */ #define PDBOPTS_ESP_ESN 0x10 /* extended sequence included */ #define PDBOPTS_ESP_OUTFMT 0x08 /* output only decapsulation (decap) */ @@ -54,35 +65,73 @@ /* * General IPSec encap/decap PDB definitions */ + +/** + * ipsec_encap_cbc - PDB part for IPsec CBC encapsulation + * @iv: 16-byte array initialization vector + */ struct ipsec_encap_cbc { - u32 iv[4]; + u8 iv[16]; }; +/** + * ipsec_encap_ctr - PDB part for IPsec CTR encapsulation + * @ctr_nonce: 4-byte array nonce + * @ctr_initial: initial count constant + * @iv: initialization vector + */ struct ipsec_encap_ctr { - u32 ctr_nonce; + u8 ctr_nonce[4]; u32 ctr_initial; - u32 iv[2]; + u64 iv; }; +/** + * ipsec_encap_ccm - PDB part for IPsec CCM encapsulation + * @salt: 3-byte array salt (lower 24 bits) + * @ccm_opt: CCM algorithm options - MSB-LSB description: + * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, + * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) + * ctr_flags (8b) - counter flags; constant equal to 0x3 + * ctr_initial (16b) - initial count constant + * @iv: initialization vector + */ struct ipsec_encap_ccm { - u32 salt; /* lower 24 bits */ - u8 b0_flags; - u8 ctr_flags; - u16 ctr_initial; - u32 iv[2]; + u8 salt[4]; + u32 ccm_opt; + u64 iv; }; +/** + * ipsec_encap_gcm - PDB part for IPsec GCM encapsulation + * @salt: 3-byte array salt (lower 24 bits) + * @rsvd: reserved, do not use + * @iv: initialization vector + */ struct ipsec_encap_gcm { - u32 salt; /* lower 24 bits */ + u8 salt[4]; u32 rsvd1; - u32 iv[2]; + u64 iv; }; +/** + * ipsec_encap_pdb - PDB for IPsec encapsulation + * @options: MSB-LSB description + * hmo (header manipulation options) - 4b + * reserved - 4b + * next header - 8b + * next header offset - 8b + * option flags (depend on selected algorithm) - 8b + * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) + * @seq_num: IPsec sequence number + * @spi: IPsec SPI (Security Parameters Index) + * @ip_hdr_len: optional IP Header length (in bytes) + * reserved - 16b + * Opt. IP Hdr Len - 16b + * @ip_hdr: optional IP Header content + */ struct ipsec_encap_pdb { - u8 hmo_rsvd; - u8 ip_nh; - u8 ip_nh_offset; - u8 options; + u32 options; u32 seq_num_ext_hi; u32 seq_num; union { @@ -92,36 +141,65 @@ struct ipsec_encap_pdb { struct ipsec_encap_gcm gcm; }; u32 spi; - u16 rsvd1; - u16 ip_hdr_len; - u32 ip_hdr[0]; /* optional IP Header content */ + u32 ip_hdr_len; + u32 ip_hdr[0]; }; +/** + * ipsec_decap_cbc - PDB part for IPsec CBC decapsulation + * @rsvd: reserved, do not use + */ struct ipsec_decap_cbc { u32 rsvd[2]; }; +/** + * ipsec_decap_ctr - PDB part for IPsec CTR decapsulation + * @ctr_nonce: 4-byte array nonce + * @ctr_initial: initial count constant + */ struct ipsec_decap_ctr { - u32 salt; + u8 ctr_nonce[4]; u32 ctr_initial; }; +/** + * ipsec_decap_ccm - PDB part for IPsec CCM decapsulation + * @salt: 3-byte salt (lower 24 bits) + * @ccm_opt: CCM algorithm options - MSB-LSB description: + * b0_flags (8b) - CCM B0; use 0x5B for 8-byte ICV, 0x6B for 12-byte ICV, + * 0x7B for 16-byte ICV (cf. RFC4309, RFC3610) + * ctr_flags (8b) - counter flags; constant equal to 0x3 + * ctr_initial (16b) - initial count constant + */ struct ipsec_decap_ccm { - u32 salt; - u8 iv_flags; - u8 ctr_flags; - u16 ctr_initial; + u8 salt[4]; + u32 ccm_opt; }; +/** + * ipsec_decap_gcm - PDB part for IPsec GCN decapsulation + * @salt: 4-byte salt + * @rsvd: reserved, do not use + */ struct ipsec_decap_gcm { - u32 salt; + u8 salt[4]; u32 resvd; }; +/** + * ipsec_decap_pdb - PDB for IPsec decapsulation + * @options: MSB-LSB description + * hmo (header manipulation options) - 4b + * IP header length - 12b + * next header offset - 8b + * option flags (depend on selected algorithm) - 8b + * @seq_num_ext_hi: (optional) IPsec Extended Sequence Number (ESN) + * @seq_num: IPsec sequence number + * @anti_replay: Anti-replay window; size depends on ARS (option flags) + */ struct ipsec_decap_pdb { - u16 hmo_ip_hdr_len; - u8 ip_nh_offset; - u8 options; + u32 options; union { struct ipsec_decap_cbc cbc; struct ipsec_decap_ctr ctr; @@ -130,8 +208,7 @@ struct ipsec_decap_pdb { }; u32 seq_num_ext_hi; u32 seq_num; - u32 anti_replay[2]; - u32 end_index[0]; + __be32 anti_replay[4]; }; /* diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 0ba9c40597dc..8c766cf9202c 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -8,6 +8,7 @@ #define REGS_H #include <linux/types.h> +#include <linux/bitops.h> #include <linux/io.h> /* @@ -65,46 +66,56 @@ * */ -#ifdef CONFIG_ARM -/* These are common macros for Power, put here for ARM */ -#define setbits32(_addr, _v) writel((readl(_addr) | (_v)), (_addr)) -#define clrbits32(_addr, _v) writel((readl(_addr) & ~(_v)), (_addr)) +extern bool caam_little_end; -#define out_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) -#define in_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) +#define caam_to_cpu(len) \ +static inline u##len caam##len ## _to_cpu(u##len val) \ +{ \ + if (caam_little_end) \ + return le##len ## _to_cpu(val); \ + else \ + return be##len ## _to_cpu(val); \ +} -#define out_le32(a, v) out_arch(l, le32, a, v) -#define in_le32(a) in_arch(l, le32, a) +#define cpu_to_caam(len) \ +static inline u##len cpu_to_caam##len(u##len val) \ +{ \ + if (caam_little_end) \ + return cpu_to_le##len(val); \ + else \ + return cpu_to_be##len(val); \ +} -#define out_be32(a, v) out_arch(l, be32, a, v) -#define in_be32(a) in_arch(l, be32, a) +caam_to_cpu(16) +caam_to_cpu(32) +caam_to_cpu(64) +cpu_to_caam(16) +cpu_to_caam(32) +cpu_to_caam(64) -#define clrsetbits(type, addr, clear, set) \ - out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) +static inline void wr_reg32(void __iomem *reg, u32 data) +{ + if (caam_little_end) + iowrite32(data, reg); + else + iowrite32be(data, reg); +} -#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) -#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) -#endif +static inline u32 rd_reg32(void __iomem *reg) +{ + if (caam_little_end) + return ioread32(reg); -#ifdef __BIG_ENDIAN -#define wr_reg32(reg, data) out_be32(reg, data) -#define rd_reg32(reg) in_be32(reg) -#define clrsetbits_32(addr, clear, set) clrsetbits_be32(addr, clear, set) -#ifdef CONFIG_64BIT -#define wr_reg64(reg, data) out_be64(reg, data) -#define rd_reg64(reg) in_be64(reg) -#endif -#else -#ifdef __LITTLE_ENDIAN -#define wr_reg32(reg, data) __raw_writel(data, reg) -#define rd_reg32(reg) __raw_readl(reg) -#define clrsetbits_32(addr, clear, set) clrsetbits_le32(addr, clear, set) -#ifdef CONFIG_64BIT -#define wr_reg64(reg, data) __raw_writeq(data, reg) -#define rd_reg64(reg) __raw_readq(reg) -#endif -#endif -#endif + return ioread32be(reg); +} + +static inline void clrsetbits_32(void __iomem *reg, u32 clear, u32 set) +{ + if (caam_little_end) + iowrite32((ioread32(reg) & ~clear) | set, reg); + else + iowrite32be((ioread32be(reg) & ~clear) | set, reg); +} /* * The only users of these wr/rd_reg64 functions is the Job Ring (JR). @@ -123,29 +134,67 @@ * base + 0x0000 : least-significant 32 bits * base + 0x0004 : most-significant 32 bits */ +#ifdef CONFIG_64BIT +static inline void wr_reg64(void __iomem *reg, u64 data) +{ + if (caam_little_end) + iowrite64(data, reg); + else + iowrite64be(data, reg); +} -#ifndef CONFIG_64BIT -#if !defined(CONFIG_CRYPTO_DEV_FSL_CAAM_LE) || \ - defined(CONFIG_CRYPTO_DEV_FSL_CAAM_IMX) -#define REG64_MS32(reg) ((u32 __iomem *)(reg)) -#define REG64_LS32(reg) ((u32 __iomem *)(reg) + 1) -#else -#define REG64_MS32(reg) ((u32 __iomem *)(reg) + 1) -#define REG64_LS32(reg) ((u32 __iomem *)(reg)) -#endif - -static inline void wr_reg64(u64 __iomem *reg, u64 data) +static inline u64 rd_reg64(void __iomem *reg) { - wr_reg32(REG64_MS32(reg), data >> 32); - wr_reg32(REG64_LS32(reg), data); + if (caam_little_end) + return ioread64(reg); + else + return ioread64be(reg); } -static inline u64 rd_reg64(u64 __iomem *reg) +#else /* CONFIG_64BIT */ +static inline void wr_reg64(void __iomem *reg, u64 data) { - return ((u64)rd_reg32(REG64_MS32(reg)) << 32 | - (u64)rd_reg32(REG64_LS32(reg))); +#ifndef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX + if (caam_little_end) { + wr_reg32((u32 __iomem *)(reg) + 1, data >> 32); + wr_reg32((u32 __iomem *)(reg), data); + } else +#endif + { + wr_reg32((u32 __iomem *)(reg), data >> 32); + wr_reg32((u32 __iomem *)(reg) + 1, data); + } } + +static inline u64 rd_reg64(void __iomem *reg) +{ +#ifndef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX + if (caam_little_end) + return ((u64)rd_reg32((u32 __iomem *)(reg) + 1) << 32 | + (u64)rd_reg32((u32 __iomem *)(reg))); + else #endif + return ((u64)rd_reg32((u32 __iomem *)(reg)) << 32 | + (u64)rd_reg32((u32 __iomem *)(reg) + 1)); +} +#endif /* CONFIG_64BIT */ + +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT +#ifdef CONFIG_SOC_IMX7D +#define cpu_to_caam_dma(value) \ + (((u64)cpu_to_caam32(lower_32_bits(value)) << 32) | \ + (u64)cpu_to_caam32(higher_32_bits(value))) +#define caam_dma_to_cpu(value) \ + (((u64)caam32_to_cpu(lower_32_bits(value)) << 32) | \ + (u64)caam32_to_cpu(higher_32_bits(value))) +#else +#define cpu_to_caam_dma(value) cpu_to_caam64(value) +#define caam_dma_to_cpu(value) caam64_to_cpu(value) +#endif /* CONFIG_SOC_IMX7D */ +#else +#define cpu_to_caam_dma(value) cpu_to_caam32(value) +#define caam_dma_to_cpu(value) caam32_to_cpu(value) +#endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ /* * jr_outentry @@ -249,6 +298,8 @@ struct caam_perfmon { u32 faultliodn; /* FALR - Fault Address LIODN */ u32 faultdetail; /* FADR - Fault Addr Detail */ u32 rsvd2; +#define CSTA_PLEND BIT(10) +#define CSTA_ALT_PLEND BIT(18) u32 status; /* CSTA - CAAM Status */ u64 rsvd3; diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h index 2311341b7356..19dc64fede0d 100644 --- a/drivers/crypto/caam/sg_sw_sec4.h +++ b/drivers/crypto/caam/sg_sw_sec4.h @@ -5,6 +5,8 @@ * */ +#include "regs.h" + struct sec4_sg_entry; /* @@ -13,10 +15,9 @@ struct sec4_sg_entry; static inline void dma_to_sec4_sg_one(struct sec4_sg_entry *sec4_sg_ptr, dma_addr_t dma, u32 len, u16 offset) { - sec4_sg_ptr->ptr = dma; - sec4_sg_ptr->len = len; - sec4_sg_ptr->buf_pool_id = 0; - sec4_sg_ptr->offset = offset & SEC4_SG_OFFSET_MASK; + sec4_sg_ptr->ptr = cpu_to_caam_dma(dma); + sec4_sg_ptr->len = cpu_to_caam32(len); + sec4_sg_ptr->bpid_offset = cpu_to_caam32(offset & SEC4_SG_OFFSET_MASK); #ifdef DEBUG print_hex_dump(KERN_ERR, "sec4_sg_ptr@: ", DUMP_PREFIX_ADDRESS, 16, 4, sec4_sg_ptr, @@ -51,7 +52,7 @@ static inline void sg_to_sec4_sg_last(struct scatterlist *sg, int sg_count, u16 offset) { sec4_sg_ptr = sg_to_sec4_sg(sg, sg_count, sec4_sg_ptr, offset); - sec4_sg_ptr->len |= SEC4_SG_LEN_FIN; + sec4_sg_ptr->len |= cpu_to_caam32(SEC4_SG_LEN_FIN); } static inline struct sec4_sg_entry *sg_to_sec4_sg_len( |