diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-30 21:27:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-30 21:27:13 -0700 |
| commit | 5d95ff84e62be914b4a4dabfa814e4096b05b1b0 (patch) | |
| tree | f2d79d562971025b29deab50bb06e3b865f185b3 /drivers/crypto | |
| parent | d85a143b69abb4d7544227e26d12c4c7735ab27d (diff) | |
| parent | 486bfb05913ac9969a3a71a4dc48f17f31cb162d (diff) | |
| download | linux-stable-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.tar.gz linux-stable-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.tar.bz2 linux-stable-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.zip | |
Merge tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add linear akcipher/sig API
- Add tfm cloning (hmac, cmac)
- Add statesize to crypto_ahash
Algorithms:
- Allow only odd e and restrict value in FIPS mode for RSA
- Replace LFSR with SHA3-256 in jitter
- Add interface for gathering of raw entropy in jitter
Drivers:
- Fix race on data_avail and actual data in hwrng/virtio
- Add hash and HMAC support in starfive
- Add RSA algo support in starfive
- Add support for PCI device 0x156E in ccp"
* tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits)
crypto: akcipher - Do not copy dst if it is NULL
crypto: sig - Fix verify call
crypto: akcipher - Set request tfm on sync path
crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled
hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS
hwrng: st - keep clock enabled while hwrng is registered
hwrng: st - support compile-testing
hwrng: imx-rngc - fix the timeout for init and self check
KEYS: asymmetric: Use new crypto interface without scatterlists
KEYS: asymmetric: Move sm2 code into x509_public_key
KEYS: Add forward declaration in asymmetric-parser.h
crypto: sig - Add interface for sign/verify
crypto: akcipher - Add sync interface without SG lists
crypto: cipher - On clone do crypto_mod_get()
crypto: api - Add __crypto_alloc_tfmgfp
crypto: api - Remove crypto_init_ops()
crypto: rsa - allow only odd e and restrict value in FIPS mode
crypto: geniv - Split geniv out of AEAD Kconfig option
crypto: algboss - Add missing dependency on RNG2
crypto: starfive - Add RSA algo support
...
Diffstat (limited to 'drivers/crypto')
64 files changed, 3071 insertions, 503 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 9c440cd0fed0..9f5b2d28bff5 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -807,5 +807,6 @@ config CRYPTO_DEV_SA2UL acceleration for cryptographic algorithms on these devices. source "drivers/crypto/aspeed/Kconfig" +source "drivers/crypto/starfive/Kconfig" endif # CRYPTO_HW diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 51d36701e785..d859d6a5f3a4 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -50,3 +50,4 @@ obj-y += xilinx/ obj-y += hisilicon/ obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/ obj-y += intel/ +obj-y += starfive/ diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index aac64b555204..432beabd79e6 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -389,7 +389,7 @@ static struct i2c_driver atmel_ecc_driver = { .name = "atmel-ecc", .of_match_table = of_match_ptr(atmel_ecc_dt_ids), }, - .probe_new = atmel_ecc_probe, + .probe = atmel_ecc_probe, .remove = atmel_ecc_remove, .id_table = atmel_ecc_id, }; diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c index 44a185a84760..c77f482d2a97 100644 --- a/drivers/crypto/atmel-sha204a.c +++ b/drivers/crypto/atmel-sha204a.c @@ -141,7 +141,7 @@ static const struct i2c_device_id atmel_sha204a_id[] = { MODULE_DEVICE_TABLE(i2c, atmel_sha204a_id); static struct i2c_driver atmel_sha204a_driver = { - .probe_new = atmel_sha204a_probe, + .probe = atmel_sha204a_probe, .remove = atmel_sha204a_remove, .id_table = atmel_sha204a_id, diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig index ec6a9e6ad4d2..c631f99e415f 100644 --- a/drivers/crypto/caam/Kconfig +++ b/drivers/crypto/caam/Kconfig @@ -162,6 +162,15 @@ config CRYPTO_DEV_FSL_CAAM_PRNG_API config CRYPTO_DEV_FSL_CAAM_BLOB_GEN bool +config CRYPTO_DEV_FSL_CAAM_RNG_TEST + bool "Test caam rng" + select CRYPTO_DEV_FSL_CAAM_RNG_API + help + Selecting this will enable a self-test to run for the + caam RNG. + This test is several minutes long and executes + just before the RNG is registered with the hw_random API. + endif # CRYPTO_DEV_FSL_CAAM_JR endif # CRYPTO_DEV_FSL_CAAM diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index 50eb55da45c2..b3d14a7f4dd1 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -172,6 +172,50 @@ static void caam_cleanup(struct hwrng *rng) kfifo_free(&ctx->fifo); } +#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_TEST +static inline void test_len(struct hwrng *rng, size_t len, bool wait) +{ + u8 *buf; + int read_len; + struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng); + struct device *dev = ctx->ctrldev; + + buf = kcalloc(CAAM_RNG_MAX_FIFO_STORE_SIZE, sizeof(u8), GFP_KERNEL); + + while (len > 0) { + read_len = rng->read(rng, buf, len, wait); + + if (read_len < 0 || (read_len == 0 && wait)) { + dev_err(dev, "RNG Read FAILED received %d bytes\n", + read_len); + kfree(buf); + return; + } + + print_hex_dump_debug("random bytes@: ", + DUMP_PREFIX_ADDRESS, 16, 4, + buf, read_len, 1); + + len = len - read_len; + } + + kfree(buf); +} + +static inline void test_mode_once(struct hwrng *rng, bool wait) +{ + test_len(rng, 32, wait); + test_len(rng, 64, wait); + test_len(rng, 128, wait); +} + +static void self_test(struct hwrng *rng) +{ + pr_info("Executing RNG SELF-TEST with wait\n"); + test_mode_once(rng, true); +} +#endif + static int caam_init(struct hwrng *rng) { struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng); @@ -258,6 +302,10 @@ int caam_rng_init(struct device *ctrldev) return ret; } +#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_RNG_TEST + self_test(&ctx->rng); +#endif + devres_close_group(ctrldev, caam_rng_init); return 0; } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index bedcc2ab3a00..ff9ddbbca377 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -79,6 +79,15 @@ static void build_deinstantiation_desc(u32 *desc, int handle) append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT); } +static const struct of_device_id imx8m_machine_match[] = { + { .compatible = "fsl,imx8mm", }, + { .compatible = "fsl,imx8mn", }, + { .compatible = "fsl,imx8mp", }, + { .compatible = "fsl,imx8mq", }, + { .compatible = "fsl,imx8ulp", }, + { } +}; + /* * run_descriptor_deco0 - runs a descriptor on DECO0, under direct control of * the software (no JR/QI used). @@ -105,10 +114,7 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, * Apparently on i.MX8M{Q,M,N,P} it doesn't matter if virt_en == 1 * and the following steps should be performed regardless */ - of_machine_is_compatible("fsl,imx8mq") || - of_machine_is_compatible("fsl,imx8mm") || - of_machine_is_compatible("fsl,imx8mn") || - of_machine_is_compatible("fsl,imx8mp")) { + of_match_node(imx8m_machine_match, of_root)) { clrsetbits_32(&ctrl->deco_rsr, 0, DECORSR_JR0); while (!(rd_reg32(&ctrl->deco_rsr) & DECORSR_VALID) && @@ -344,16 +350,15 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask, /* * kick_trng - sets the various parameters for enabling the initialization * of the RNG4 block in CAAM - * @pdev - pointer to the platform device + * @dev - pointer to the controller device * @ent_delay - Defines the length (in system clocks) of each entropy sample. */ -static void kick_trng(struct platform_device *pdev, int ent_delay) +static void kick_trng(struct device *dev, int ent_delay) { - struct device *ctrldev = &pdev->dev; - struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); + struct caam_drv_private *ctrlpriv = dev_get_drvdata(dev); struct caam_ctrl __iomem *ctrl; struct rng4tst __iomem *r4tst; - u32 val; + u32 val, rtsdctl; ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; r4tst = &ctrl->r4tst[0]; @@ -369,26 +374,38 @@ static void kick_trng(struct platform_device *pdev, int ent_delay) * Performance-wise, it does not make sense to * set the delay to a value that is lower * than the last one that worked (i.e. the state handles - * were instantiated properly. Thus, instead of wasting - * time trying to set the values controlling the sample - * frequency, the function simply returns. + * were instantiated properly). + */ + rtsdctl = rd_reg32(&r4tst->rtsdctl); + val = (rtsdctl & RTSDCTL_ENT_DLY_MASK) >> RTSDCTL_ENT_DLY_SHIFT; + if (ent_delay > val) { + val = ent_delay; + /* min. freq. count, equal to 1/4 of the entropy sample length */ + wr_reg32(&r4tst->rtfrqmin, val >> 2); + /* max. freq. count, equal to 16 times the entropy sample length */ + wr_reg32(&r4tst->rtfrqmax, val << 4); + } + + wr_reg32(&r4tst->rtsdctl, (val << RTSDCTL_ENT_DLY_SHIFT) | + RTSDCTL_SAMP_SIZE_VAL); + + /* + * To avoid reprogramming the self-test parameters over and over again, + * use RTSDCTL[SAMP_SIZE] as an indicator. */ - val = (rd_reg32(&r4tst->rtsdctl) & RTSDCTL_ENT_DLY_MASK) - >> RTSDCTL_ENT_DLY_SHIFT; - if (ent_delay <= val) - goto start_rng; - - val = rd_reg32(&r4tst->rtsdctl); - val = (val & ~RTSDCTL_ENT_DLY_MASK) | - (ent_delay << RTSDCTL_ENT_DLY_SHIFT); - wr_reg32(&r4tst->rtsdctl, val); - /* min. freq. count, equal to 1/4 of the entropy sample length */ - wr_reg32(&r4tst->rtfrqmin, ent_delay >> 2); - /* disable maximum frequency count */ - wr_reg32(&r4tst->rtfrqmax, RTFRQMAX_DISABLE); - /* read the control register */ - val = rd_reg32(&r4tst->rtmctl); -start_rng: + if ((rtsdctl & RTSDCTL_SAMP_SIZE_MASK) != RTSDCTL_SAMP_SIZE_VAL) { + wr_reg32(&r4tst->rtscmisc, (2 << 16) | 32); + wr_reg32(&r4tst->rtpkrrng, 570); + wr_reg32(&r4tst->rtpkrmax, 1600); + wr_reg32(&r4tst->rtscml, (122 << 16) | 317); + wr_reg32(&r4tst->rtscrl[0], (80 << 16) | 107); + wr_reg32(&r4tst->rtscrl[1], (57 << 16) | 62); + wr_reg32(&r4tst->rtscrl[2], (39 << 16) | 39); + wr_reg32(&r4tst->rtscrl[3], (27 << 16) | 26); + wr_reg32(&r4tst->rtscrl[4], (19 << 16) | 18); + wr_reg32(&r4tst->rtscrl[5], (18 << 16) | 17); + } + /* * select raw sampling in both entropy shifter * and statistical checker; ; put RNG4 into run mode @@ -618,10 +635,115 @@ static bool needs_entropy_delay_adjustment(void) return false; } +static int caam_ctrl_rng_init(struct device *dev) +{ + struct caam_drv_private *ctrlpriv = dev_get_drvdata(dev); + struct caam_ctrl __iomem *ctrl = ctrlpriv->ctrl; + int ret, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + u8 rng_vid; + + if (ctrlpriv->era < 10) { + struct caam_perfmon __iomem *perfmon; + + perfmon = ctrlpriv->total_jobrs ? + (struct caam_perfmon __iomem *)&ctrlpriv->jr[0]->perfmon : + (struct caam_perfmon __iomem *)&ctrl->perfmon; + + rng_vid = (rd_reg32(&perfmon->cha_id_ls) & + CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT; + } else { + struct version_regs __iomem *vreg; + + vreg = ctrlpriv->total_jobrs ? + (struct version_regs __iomem *)&ctrlpriv->jr[0]->vreg : + (struct version_regs __iomem *)&ctrl->vreg; + + rng_vid = (rd_reg32(&vreg->rng) & CHA_VER_VID_MASK) >> + CHA_VER_VID_SHIFT; + } + + /* + * If SEC has RNG version >= 4 and RNG state handle has not been + * already instantiated, do RNG instantiation + * In case of SoCs with Management Complex, RNG is managed by MC f/w. + */ + if (!(ctrlpriv->mc_en && ctrlpriv->pr_support) && rng_vid >= 4) { + ctrlpriv->rng4_sh_init = + rd_reg32(&ctrl->r4tst[0].rdsta); + /* + * If the secure keys (TDKEK, JDKEK, TDSK), were already + * generated, signal this to the function that is instantiating + * the state handles. An error would occur if RNG4 attempts + * to regenerate these keys before the next POR. + */ + gen_sk = ctrlpriv->rng4_sh_init & RDSTA_SKVN ? 0 : 1; + ctrlpriv->rng4_sh_init &= RDSTA_MASK; + do { + int inst_handles = + rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_MASK; + /* + * If either SH were instantiated by somebody else + * (e.g. u-boot) then it is assumed that the entropy + * parameters are properly set and thus the function + * setting these (kick_trng(...)) is skipped. + * Also, if a handle was instantiated, do not change + * the TRNG parameters. + */ + if (needs_entropy_delay_adjustment()) + ent_delay = 12000; + if (!(ctrlpriv->rng4_sh_init || inst_handles)) { + dev_info(dev, + "Entropy delay = %u\n", + ent_delay); + kick_trng(dev, ent_delay); + ent_delay += 400; + } + /* + * if instantiate_rng(...) fails, the loop will rerun + * and the kick_trng(...) function will modify the + * upper and lower limits of the entropy sampling + * interval, leading to a successful initialization of + * the RNG. + */ + ret = instantiate_rng(dev, inst_handles, + gen_sk); + /* + * Entropy delay is determined via TRNG characterization. + * TRNG characterization is run across different voltages + * and temperatures. + * If worst case value for ent_dly is identified, + * the loop can be skipped for that platform. + */ + if (needs_entropy_delay_adjustment()) + break; + if (ret == -EAGAIN) + /* + * if here, the loop will rerun, + * so don't hog the CPU + */ + cpu_relax(); + } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); + if (ret) { + dev_err(dev, "failed to instantiate RNG"); + return ret; + } + /* + * Set handles initialized by this module as the complement of + * the already initialized ones + */ + ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_MASK; + + /* Enable RDB bit so that RNG works faster */ + clrsetbits_32(&ctrl->scfgr, 0, SCFGR_RDBENABLE); + } + + return 0; +} + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { - int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + int ret, ring; u64 caam_id; const struct soc_device_attribute *imx_soc_match; struct device *dev; @@ -631,10 +753,8 @@ static int caam_probe(struct platform_device *pdev) struct caam_perfmon __iomem *perfmon; struct dentry *dfs_root; u32 scfgr, comp_params; - u8 rng_vid; int pg_size; int BLOCK_OFFSET = 0; - bool pr_support = false; bool reg_access = true; ctrlpriv = devm_kzalloc(&pdev->dev, sizeof(*ctrlpriv), GFP_KERNEL); @@ -646,6 +766,9 @@ static int caam_probe(struct platform_device *pdev) nprop = pdev->dev.of_node; imx_soc_match = soc_device_match(caam_imx_soc_table); + if (!imx_soc_match && of_match_node(imx8m_machine_match, of_root)) + return -EPROBE_DEFER; + caam_imx = (bool)imx_soc_match; if (imx_soc_match) { @@ -770,7 +893,8 @@ static int caam_probe(struct platform_device *pdev) mc_version = fsl_mc_get_version(); if (mc_version) - pr_support = check_version(mc_version, 10, 20, 0); + ctrlpriv->pr_support = check_version(mc_version, 10, 20, + 0); else return -EPROBE_DEFER; } @@ -861,9 +985,6 @@ set_dma_mask: return -ENOMEM; } - if (!reg_access) - goto report_live; - comp_params = rd_reg32(&perfmon->comp_parms_ls); ctrlpriv->blob_present = !!(comp_params & CTPR_LS_BLOB); @@ -873,8 +994,6 @@ set_dma_mask: * check both here. */ if (ctrlpriv->era < 10) { - rng_vid = (rd_reg32(&perfmon->cha_id_ls) & - CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT; ctrlpriv->blob_present = ctrlpriv->blob_present && (rd_reg32(&perfmon->cha_num_ls) & CHA_ID_LS_AES_MASK); } else { @@ -884,91 +1003,16 @@ set_dma_mask: (struct version_regs __iomem *)&ctrlpriv->jr[0]->vreg : (struct version_regs __iomem *)&ctrl->vreg; - rng_vid = (rd_reg32(&vreg->rng) & CHA_VER_VID_MASK) >> - CHA_VER_VID_SHIFT; ctrlpriv->blob_present = ctrlpriv->blob_present && (rd_reg32(&vreg->aesa) & CHA_VER_MISC_AES_NUM_MASK); } - /* - * If SEC has RNG version >= 4 and RNG state handle has not been - * already instantiated, do RNG instantiation - * In case of SoCs with Management Complex, RNG is managed by MC f/w. - */ - if (!(ctrlpriv->mc_en && pr_support) && rng_vid >= 4) { - ctrlpriv->rng4_sh_init = - rd_reg32(&ctrl->r4tst[0].rdsta); - /* - * If the secure keys (TDKEK, JDKEK, TDSK), were already - * generated, signal this to the function that is instantiating - * the state handles. An error would occur if RNG4 attempts - * to regenerate these keys before the next POR. - */ - gen_sk = ctrlpriv->rng4_sh_init & RDSTA_SKVN ? 0 : 1; - ctrlpriv->rng4_sh_init &= RDSTA_MASK; - do { - int inst_handles = - rd_reg32(&ctrl->r4tst[0].rdsta) & - RDSTA_MASK; - /* - * If either SH were instantiated by somebody else - * (e.g. u-boot) then it is assumed that the entropy - * parameters are properly set and thus the function - * setting these (kick_trng(...)) is skipped. - * Also, if a handle was instantiated, do not change - * the TRNG parameters. - */ - if (needs_entropy_delay_adjustment()) - ent_delay = 12000; - if (!(ctrlpriv->rng4_sh_init || inst_handles)) { - dev_info(dev, - "Entropy delay = %u\n", - ent_delay); - kick_trng(pdev, ent_delay); - ent_delay += 400; - } - /* - * if instantiate_rng(...) fails, the loop will rerun - * and the kick_trng(...) function will modify the - * upper and lower limits of the entropy sampling - * interval, leading to a successful initialization of - * the RNG. - */ - ret = instantiate_rng(dev, inst_handles, - gen_sk); - /* - * Entropy delay is determined via TRNG characterization. - * TRNG characterization is run across different voltages - * and temperatures. - * If worst case value for ent_dly is identified, - * the loop can be skipped for that platform. - */ - if (needs_entropy_delay_adjustment()) - break; - if (ret == -EAGAIN) - /* - * if here, the loop will rerun, - * so don't hog the CPU - */ - cpu_relax(); - } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); - if (ret) { - dev_err(dev, "failed to instantiate RNG"); + if (reg_access) { + ret = caam_ctrl_rng_init(dev); + if (ret) return ret; - } - /* - * Set handles initialized by this module as the complement of - * the already initialized ones - */ - ctrlpriv->rng4_sh_init = ~ctrlpriv->rng4_sh_init & RDSTA_MASK; - - /* Enable RDB bit so that RNG works faster */ - clrsetbits_32(&ctrl->scfgr, 0, SCFGR_RDBENABLE); } -report_live: - /* NOTE: RTIC detection ought to go here, around Si time */ - caam_id = (u64)rd_reg32(&perfmon->caam_id_ms) << 32 | (u64)rd_reg32(&perfmon->caam_id_ls); diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 86ed1b91c22d..b4f7bf77f487 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -95,6 +95,7 @@ struct caam_drv_private { u8 blob_present; /* Nonzero if BLOB support present in device */ u8 mc_en; /* Nonzero if MC f/w is active */ u8 optee_en; /* Nonzero if OP-TEE f/w is active */ + bool pr_support; /* RNG prediction resistance available */ int secvio_irq; /* Security violation interrupt number */ int virt_en; /* Virtualization enabled in CAAM */ int era; /* CAAM Era (internal HW revision) */ diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 66928f8a0c4b..189e74c21f0c 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -3,7 +3,7 @@ * CAAM hardware register-level view * * Copyright 2008-2011 Freescale Semiconductor, Inc. - * Copyright 2018 NXP + * Copyright 2018, 2023 NXP */ #ifndef REGS_H @@ -523,6 +523,8 @@ struct rng4tst { #define RTSDCTL_ENT_DLY_MASK (0xffff << RTSDCTL_ENT_DLY_SHIFT) #define RTSDCTL_ENT_DLY_MIN 3200 #define RTSDCTL_ENT_DLY_MAX 12800 +#define RTSDCTL_SAMP_SIZE_MASK 0xffff +#define RTSDCTL_SAMP_SIZE_VAL 512 u32 rtsdctl; /* seed control register */ union { u32 rtsblim; /* PRGM=1: sparse bit limit register */ @@ -534,7 +536,15 @@ struct rng4tst { u32 rtfrqmax; /* PRGM=1: freq. count max. limit register */ u32 rtfrqcnt; /* PRGM=0: freq. count register */ }; - u32 rsvd1[40]; + union { + u32 rtscmc; /* statistical check run monobit count */ + u32 rtscml; /* statistical check run monobit limit */ + }; + union { + u32 rtscrc[6]; /* statistical check run length count */ + u32 rtscrl[6]; /* statistical check run length limit */ + }; + u32 rsvd1[33]; #define RDSTA_SKVT 0x80000000 #define RDSTA_SKVN 0x40000000 #define RDSTA_PR0 BIT(4) diff --git a/drivers/crypto/ccp/platform-access.c b/drivers/crypto/ccp/platform-access.c index 939c924fc383..94367bc49e35 100644 --- a/drivers/crypto/ccp/platform-access.c +++ b/drivers/crypto/ccp/platform-access.c @@ -67,6 +67,11 @@ int psp_send_platform_access_msg(enum psp_platform_access_msg msg, return -ENODEV; pa_dev = psp->platform_access_data; + + if (!pa_dev->vdata->cmdresp_reg || !pa_dev->vdata->cmdbuff_addr_lo_reg || + !pa_dev->vdata->cmdbuff_addr_hi_reg) + return -ENODEV; + cmd = psp->io_regs + pa_dev->vdata->cmdresp_reg; lo = psp->io_regs + pa_dev->vdata->cmdbuff_addr_lo_reg; hi = psp->io_regs + pa_dev->vdata->cmdbuff_addr_hi_reg; diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c index aa15bc4cac2b..b603ad9b8341 100644 --- a/drivers/crypto/ccp/sp-pci.c +++ b/drivers/crypto/ccp/sp-pci.c @@ -361,6 +361,14 @@ static const struct tee_vdata teev1 = { .ring_rptr_reg = 0x10554, /* C2PMSG_21 */ }; +static const struct tee_vdata teev2 = { + .cmdresp_reg = 0x10944, /* C2PMSG_17 */ + .cmdbuff_addr_lo_reg = 0x10948, /* C2PMSG_18 */ + .cmdbuff_addr_hi_reg = 0x1094c, /* C2PMSG_19 */ + .ring_wptr_reg = 0x10950, /* C2PMSG_20 */ + .ring_rptr_reg = 0x10954, /* C2PMSG_21 */ +}; + static const struct platform_access_vdata pa_v1 = { .cmdresp_reg = 0x10570, /* C2PMSG_28 */ .cmdbuff_addr_lo_reg = 0x10574, /* C2PMSG_29 */ @@ -369,6 +377,11 @@ static const struct platform_access_vdata pa_v1 = { .doorbell_cmd_reg = 0x10a40, /* C2PMSG_80 */ }; +static const struct platform_access_vdata pa_v2 = { + .doorbell_button_reg = 0x10a24, /* C2PMSG_73 */ + .doorbell_cmd_reg = 0x10a40, /* C2PMSG_80 */ +}; + static const struct psp_vdata pspv1 = { .sev = &sevv1, .feature_reg = 0x105fc, /* C2PMSG_63 */ @@ -399,6 +412,22 @@ static const struct psp_vdata pspv4 = { .intsts_reg = 0x10694, /* P2CMSG_INTSTS */ }; +static const struct psp_vdata pspv5 = { + .tee = &teev2, + .platform_access = &pa_v2, + .feature_reg = 0x109fc, /* C2PMSG_63 */ + .inten_reg = 0x10510, /* P2CMSG_INTEN */ + .intsts_reg = 0x10514, /* P2CMSG_INTSTS */ +}; + +static const struct psp_vdata pspv6 = { + .sev = &sevv2, + .tee = &teev2, + .feature_reg = 0x109fc, /* C2PMSG_63 */ + .inten_reg = 0x10510, /* P2CMSG_INTEN */ + .intsts_reg = 0x10514, /* P2CMSG_INTSTS */ +}; + #endif static const struct sp_dev_vdata dev_vdata[] = { @@ -453,6 +482,18 @@ static const struct sp_dev_vdata dev_vdata[] = { .psp_vdata = &pspv3, #endif }, + { /* 7 */ + .bar = 2, +#ifdef CONFIG_CRYPTO_DEV_SP_PSP + .psp_vdata = &pspv5, +#endif + }, + { /* 8 */ + .bar = 2, +#ifdef CONFIG_CRYPTO_DEV_SP_PSP + .psp_vdata = &pspv6, +#endif + }, }; static const struct pci_device_id sp_pci_table[] = { { PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&dev_vdata[0] }, @@ -463,6 +504,8 @@ static const struct pci_device_id sp_pci_table[] = { { PCI_VDEVICE(AMD, 0x14CA), (kernel_ulong_t)&dev_vdata[5] }, { PCI_VDEVICE(AMD, 0x15C7), (kernel_ulong_t)&dev_vdata[6] }, { PCI_VDEVICE(AMD, 0x1649), (kernel_ulong_t)&dev_vdata[6] }, + { PCI_VDEVICE(AMD, 0x17E0), (kernel_ulong_t)&dev_vdata[7] }, + { PCI_VDEVICE(AMD, 0x156E), (kernel_ulong_t)&dev_vdata[8] }, /* Last entry must be zero */ { 0, } }; diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig index e8690c223584..4137a8bf131f 100644 --- a/drivers/crypto/hisilicon/Kconfig +++ b/drivers/crypto/hisilicon/Kconfig @@ -82,10 +82,3 @@ config CRYPTO_DEV_HISI_TRNG select CRYPTO_RNG help Support for HiSilicon TRNG Driver. - -config CRYPTO_DEV_HISTB_TRNG - tristate "Support for HiSTB TRNG Driver" - depends on ARCH_HISI || COMPILE_TEST - select HW_RANDOM - help - Support for HiSTB TRNG Driver. diff --git a/drivers/crypto/hisilicon/Makefile b/drivers/crypto/hisilicon/Makefile index fc51e0edec69..8595a5a5d228 100644 --- a/drivers/crypto/hisilicon/Makefile +++ b/drivers/crypto/hisilicon/Makefile @@ -5,4 +5,4 @@ obj-$(CONFIG_CRYPTO_DEV_HISI_SEC2) += sec2/ obj-$(CONFIG_CRYPTO_DEV_HISI_QM) += hisi_qm.o hisi_qm-objs = qm.o sgl.o debugfs.o obj-$(CONFIG_CRYPTO_DEV_HISI_ZIP) += zip/ -obj-y += trng/ +obj-$(CONFIG_CRYPTO_DEV_HISI_TRNG) += trng/ diff --git a/drivers/crypto/hisilicon/trng/Makefile b/drivers/crypto/hisilicon/trng/Makefile index cf20b057c66b..d909079f351c 100644 --- a/drivers/crypto/hisilicon/trng/Makefile +++ b/drivers/crypto/hisilicon/trng/Makefile @@ -1,5 +1,2 @@ obj-$(CONFIG_CRYPTO_DEV_HISI_TRNG) += hisi-trng-v2.o hisi-trng-v2-objs = trng.o - -obj-$(CONFIG_CRYPTO_DEV_HISTB_TRNG) += histb-trng.o -histb-trng-objs += trng-stb.o diff --git a/drivers/crypto/hisilicon/trng/trng-stb.c b/drivers/crypto/hisilicon/trng/trng-stb.c deleted file mode 100644 index 29200a7d3d81..000000000000 --- a/drivers/crypto/hisilicon/trng/trng-stb.c +++ /dev/null @@ -1,176 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later OR MIT -/* - * Device driver for True RNG in HiSTB SoCs - * - * Copyright (c) 2023 David Yang - */ - -#include <crypto/internal/rng.h> -#include <linux/device.h> -#include <linux/err.h> -#include <linux/hw_random.h> -#include <linux/io.h> -#include <linux/iopoll.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/of_device.h> - -#define HISTB_TRNG_CTRL 0x0 -#define RNG_SOURCE GENMASK(1, 0) -#define DROP_ENABLE BIT(5) -#define POST_PROCESS_ENABLE BIT(7) -#define POST_PROCESS_DEPTH GENMASK(15, 8) -#define HISTB_TRNG_NUMBER 0x4 -#define HISTB_TRNG_STAT 0x8 -#define DATA_COUNT GENMASK(2, 0) /* max 4 */ - -struct histb_trng_priv { - struct hwrng rng; - void __iomem *base; -}; - -/* - * Observed: - * depth = 1 -> ~1ms - * depth = 255 -> ~16ms - */ -static int histb_trng_wait(void __iomem *base) -{ - u32 val; - - return readl_relaxed_poll_timeout(base + HISTB_TRNG_STAT, val, - val & DATA_COUNT, 1000, 30 * 1000); -} - -static void histb_trng_init(void __iomem *base, unsigned int depth) -{ - u32 val; - - val = readl_relaxed(base + HISTB_TRNG_CTRL); - - val &= ~RNG_SOURCE; - val |= 2; - - val &= ~POST_PROCESS_DEPTH; - val |= min(depth, 0xffu) << 8; - - val |= POST_PROCESS_ENABLE; - val |= DROP_ENABLE; - - writel_relaxed(val, base + HISTB_TRNG_CTRL); -} - -static int histb_trng_read(struct hwrng *rng, void *data, size_t max, bool wait) -{ - struct histb_trng_priv *priv = container_of(rng, typeof(*priv), rng); - void __iomem *base = priv->base; - - for (int i = 0; i < max; i += sizeof(u32)) { - if (!(readl_relaxed(base + HISTB_TRNG_STAT) & DATA_COUNT)) { - if (!wait) - return i; - if (histb_trng_wait(base)) { - pr_err("failed to generate random number, generated %d\n", - i); - return i ? i : -ETIMEDOUT; - } - } - *(u32 *) (data + i) = readl_relaxed(base + HISTB_TRNG_NUMBER); - } - - return max; -} - -static unsigned int histb_trng_get_depth(void __iomem *base) -{ - return (readl_relaxed(base + HISTB_TRNG_CTRL) & POST_PROCESS_DEPTH) >> 8; -} - -static ssize_t -depth_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct histb_trng_priv *priv = dev_get_drvdata(dev); - void __iomem *base = priv->base; - - return sprintf(buf, "%d\n", histb_trng_get_depth(base)); -} - -static ssize_t -depth_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct histb_trng_priv *priv = dev_get_drvdata(dev); - void __iomem *base = priv->base; - unsigned int depth; - - if (kstrtouint(buf, 0, &depth)) - return -ERANGE; - - histb_trng_init(base, depth); - return count; -} - -static DEVICE_ATTR_RW(depth); - -static struct attribute *histb_trng_attrs[] = { - &dev_attr_depth.attr, - NULL, -}; - -ATTRIBUTE_GROUPS(histb_trng); - -static int histb_trng_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct histb_trng_priv *priv; - void __iomem *base; - int ret; - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(base)) - return -ENOMEM; - - histb_trng_init(base, 144); - if (histb_trng_wait(base)) { - dev_err(dev, "cannot bring up device\n"); - return -ENODEV; - } - - priv->base = base; - priv->rng.name = pdev->name; - priv->rng.read = histb_trng_read; - ret = devm_hwrng_register(dev, &priv->rng); - if (ret) { - dev_err(dev, "failed to register hwrng: %d\n", ret); - return ret; - } - - platform_set_drvdata(pdev, priv); - dev_set_drvdata(dev, priv); - return 0; -} - -static const struct of_device_id histb_trng_of_match[] = { - { .compatible = "hisilicon,histb-trng", }, - { } -}; - -static struct platform_driver histb_trng_driver = { - .probe = histb_trng_probe, - .driver = { - .name = "histb-trng", - .of_match_table = histb_trng_of_match, - .dev_groups = histb_trng_groups, - }, -}; - -module_platform_driver(histb_trng_driver); - -MODULE_DESCRIPTION("HiSTB True RNG"); -MODULE_LICENSE("Dual MIT/GPL"); -MODULE_AUTHOR("David Yang <mmyangfl@gmail.com>"); diff --git a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c index ed15379a9818..4a18095ae5d8 100644 --- a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c +++ b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c @@ -1175,9 +1175,9 @@ static int aead_perform(struct aead_request *req, int encrypt, /* The 12 hmac bytes are scattered, * we need to copy them into a safe buffer */ req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags, &dma); - crypt->icv_rev_aes = dma; if (unlikely(!req_ctx->hmac_virt)) goto free_buf_dst; + crypt->icv_rev_aes = dma; if (!encrypt) { scatterwalk_map_and_copy(req_ctx->hmac_virt, req->src, cryptlen, authsize, 0); diff --git a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c index 7324b86a4f40..e543a9e24a06 100644 --- a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c +++ b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c @@ -11,37 +11,76 @@ #include "adf_4xxx_hw_data.h" #include "icp_qat_hw.h" +enum adf_fw_objs { + ADF_FW_SYM_OBJ, + ADF_FW_ASYM_OBJ, + ADF_FW_DC_OBJ, + ADF_FW_ADMIN_OBJ, +}; + +static const char * const adf_4xxx_fw_objs[] = { + [ADF_FW_SYM_OBJ] = ADF_4XXX_SYM_OBJ, + [ADF_FW_ASYM_OBJ] = ADF_4XXX_ASYM_OBJ, + [ADF_FW_DC_OBJ] = ADF_4XXX_DC_OBJ, + [ADF_FW_ADMIN_OBJ] = ADF_4XXX_ADMIN_OBJ, +}; + +static const char * const adf_402xx_fw_objs[] = { + [ADF_FW_SYM_OBJ] = ADF_402XX_SYM_OBJ, + [ADF_FW_ASYM_OBJ] = ADF_402XX_ASYM_OBJ, + [ADF_FW_DC_OBJ] = ADF_402XX_DC_OBJ, + [ADF_FW_ADMIN_OBJ] = ADF_402XX_ADMIN_OBJ, +}; + struct adf_fw_config { u32 ae_mask; - char *obj_name; + enum adf_fw_objs obj; }; -static struct adf_fw_config adf_4xxx_fw_cy_config[] = { - {0xF0, ADF_4XXX_SYM_OBJ}, - {0xF, ADF_4XXX_ASYM_OBJ}, - {0x100, ADF_4XXX_ADMIN_OBJ}, +static const struct adf_fw_config adf_fw_cy_config[] = { + {0xF0, ADF_FW_SYM_OBJ}, + {0xF, ADF_FW_ASYM_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, }; -static struct adf_fw_config adf_4xxx_fw_dc_config[] = { - {0xF0, ADF_4XXX_DC_OBJ}, - {0xF, ADF_4XXX_DC_OBJ}, - {0x100, ADF_4XXX_ADMIN_OBJ}, +static const struct adf_fw_config adf_fw_dc_config[] = { + {0xF0, ADF_FW_DC_OBJ}, + {0xF, ADF_FW_DC_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, }; -static struct adf_fw_config adf_402xx_fw_cy_config[] = { - {0xF0, ADF_402XX_SYM_OBJ}, - {0xF, ADF_402XX_ASYM_OBJ}, - {0x100, ADF_402XX_ADMIN_OBJ}, +static const struct adf_fw_config adf_fw_sym_config[] = { + {0xF0, ADF_FW_SYM_OBJ}, + {0xF, ADF_FW_SYM_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, }; -static struct adf_fw_config adf_402xx_fw_dc_config[] = { - {0xF0, ADF_402XX_DC_OBJ}, - {0xF, ADF_402XX_DC_OBJ}, - {0x100, ADF_402XX_ADMIN_OBJ}, +static const struct adf_fw_config adf_fw_asym_config[] = { + {0xF0, ADF_FW_ASYM_OBJ}, + {0xF, ADF_FW_ASYM_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, }; +static const struct adf_fw_config adf_fw_asym_dc_config[] = { + {0xF0, ADF_FW_ASYM_OBJ}, + {0xF, ADF_FW_DC_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, +}; + +static const struct adf_fw_config adf_fw_sym_dc_config[] = { + {0xF0, ADF_FW_SYM_OBJ}, + {0xF, ADF_FW_DC_OBJ}, + {0x100, ADF_FW_ADMIN_OBJ}, +}; + +static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_dc_config)); +static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_sym_config)); +static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_asym_config)); +static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_asym_dc_config)); +static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_sym_dc_config)); + /* Worker thread to service arbiter mappings */ -static const u32 thrd_to_arb_map_cy[ADF_4XXX_MAX_ACCELENGINES] = { +static const u32 default_thrd_to_arb_map[ADF_4XXX_MAX_ACCELENGINES] = { 0x5555555, 0x5555555, 0x5555555, 0x5555555, 0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA, 0x0 @@ -61,12 +100,26 @@ static struct adf_hw_device_class adf_4xxx_class = { enum dev_services { SVC_CY = 0, + SVC_CY2, SVC_DC, + SVC_SYM, + SVC_ASYM, + SVC_DC_ASYM, + SVC_ASYM_DC, + SVC_DC_SYM, + SVC_SYM_DC, }; static const char *const dev_cfg_services[] = { [SVC_CY] = ADF_CFG_CY, + [SVC_CY2] = ADF_CFG_ASYM_SYM, [SVC_DC] = ADF_CFG_DC, + [SVC_SYM] = ADF_CFG_SYM, + [SVC_ASYM] = ADF_CFG_ASYM, + [SVC_DC_ASYM] = ADF_CFG_DC_ASYM, + [SVC_ASYM_DC] = ADF_CFG_ASYM_DC, + [SVC_DC_SYM] = ADF_CFG_DC_SYM, + [SVC_SYM_DC] = ADF_CFG_SYM_DC, }; static int get_service_enabled(struct adf_accel_dev *accel_dev) @@ -156,45 +209,50 @@ static void set_msix_default_rttable(struct adf_accel_dev *accel_dev) static u32 get_accel_cap(struct adf_accel_dev *accel_dev) { struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev; - u32 capabilities_cy, capabilities_dc; + u32 capabilities_sym, capabilities_asym, capabilities_dc; u32 fusectl1; /* Read accelerator capabilities mask */ pci_read_config_dword(pdev, ADF_4XXX_FUSECTL1_OFFSET, &fusectl1); - capabilities_cy = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC | - ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC | + capabilities_sym = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC | ICP_ACCEL_CAPABILITIES_CIPHER | ICP_ACCEL_CAPABILITIES_AUTHENTICATION | ICP_ACCEL_CAPABILITIES_SHA3 | ICP_ACCEL_CAPABILITIES_SHA3_EXT | ICP_ACCEL_CAPABILITIES_HKDF | - ICP_ACCEL_CAPABILITIES_ECEDMONT | ICP_ACCEL_CAPABILITIES_CHACHA_POLY | ICP_ACCEL_CAPABILITIES_AESGCM_SPC | ICP_ACCEL_CAPABILITIES_AES_V2; /* A set bit in fusectl1 means the feature is OFF in this SKU */ if (fusectl1 & ICP_ACCEL_4XXX_MASK_CIPHER_SLICE) { - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_HKDF; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_HKDF; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER; } + if (fusectl1 & ICP_ACCEL_4XXX_MASK_UCS_SLICE) { - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AES_V2; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AES_V2; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER; } + if (fusectl1 & ICP_ACCEL_4XXX_MASK_AUTH_SLICE) { - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_SHA3; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT; + capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER; } + + capabilities_asym = ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC | + ICP_ACCEL_CAPABILITIES_CIPHER | + ICP_ACCEL_CAPABILITIES_ECEDMONT; + if (fusectl1 & ICP_ACCEL_4XXX_MASK_PKE_SLICE) { - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC; - capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT; + capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC; + capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT; } capabilities_dc = ICP_ACCEL_CAPABILITIES_COMPRESSION | @@ -211,12 +269,23 @@ static u32 get_accel_cap(struct adf_accel_dev *accel_dev) switch (get_service_enabled(accel_dev)) { case SVC_CY: - return capabilities_cy; + case SVC_CY2: + return capabilities_sym | capabilities_asym; case SVC_DC: return capabilities_dc; + case SVC_SYM: + return capabilities_sym; + case SVC_ASYM: + return capabilities_asym; + case SVC_ASYM_DC: + case SVC_DC_ASYM: + return capabilities_asym | capabilities_dc; + case SVC_SYM_DC: + case SVC_DC_SYM: + return capabilities_sym | capabilities_dc; + default: + return 0; } - - return 0; } static enum dev_sku_info get_sku(struct adf_hw_device_data *self) @@ -227,13 +296,11 @@ static enum dev_sku_info get_sku(struct adf_hw_device_data *self) static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev) { switch (get_service_enabled(accel_dev)) { - case SVC_CY: - return thrd_to_arb_map_cy; case SVC_DC: return thrd_to_arb_map_dc; + default: + return default_thrd_to_arb_map; } - - return NULL; } static void get_arb_info(struct arb_info *arb_info) @@ -304,47 +371,83 @@ static int adf_init_device(struct adf_accel_dev *accel_dev) static u32 uof_get_num_objs(void) { - BUILD_BUG_ON_MSG(ARRAY_SIZE(adf_4xxx_fw_cy_config) != - ARRAY_SIZE(adf_4xxx_fw_dc_config), - "Size mismatch between adf_4xxx_fw_*_config arrays"); - - return ARRAY_SIZE(adf_4xxx_fw_cy_config); + return ARRAY_SIZE(adf_fw_cy_config); } -static char *uof_get_name_4xxx(struct adf_accel_dev *accel_dev, u32 obj_num) +static const char *uof_get_name(struct adf_accel_dev *accel_dev, u32 obj_num, + const char * const fw_objs[], int num_objs) { + int id; + switch (get_service_enabled(accel_dev)) { case SVC_CY: - return adf_4xxx_fw_cy_config[obj_num].obj_name; + case SVC_CY2: + id = adf_fw_cy_config[obj_num].obj; + break; case SVC_DC: - return adf_4xxx_fw_dc_config[obj_num].obj_name; + id = adf_fw_dc_config[obj_num].obj; + break; + case SVC_SYM: + id = adf_fw_sym_config[obj_num].obj; + break; + case SVC_ASYM: + id = adf_fw_asym_config[obj_num].obj; + break; + case SVC_ASYM_DC: + case SVC_DC_ASYM: + id = adf_fw_asym_dc_config[obj_num].obj; + break; + case SVC_SYM_DC: + case SVC_DC_SYM: + id = adf_fw_sym_dc_config[obj_num].obj; + break; + default: + id = -EINVAL; + break; } - return NULL; + if (id < 0 || id > num_objs) + return NULL; + + return fw_objs[id]; } -static char *uof_get_name_402xx(struct adf_accel_dev *accel_dev, u32 obj_num) +static const char *uof_get_name_4xxx(struct adf_accel_dev *accel_dev, u32 obj_num) { - switch (get_service_enabled(accel_dev)) { - case SVC_CY: - return adf_402xx_fw_cy_config[obj_num].obj_name; - case SVC_DC: - return adf_402xx_fw_dc_config[obj_num].obj_name; - } + int num_fw_objs = ARRAY_SIZE(adf_4xxx_fw_objs); - return NULL; + return uof_get_name(accel_dev, obj_num, adf_4xxx_fw_objs, num_fw_objs); +} + +static const char *uof_get_name_402xx(struct adf_accel_dev *accel_dev, u32 obj_num) +{ + int num_fw_objs = ARRAY_SIZE(adf_402xx_fw_objs); + + return uof_get_name(accel_dev, obj_num, adf_402xx_fw_objs, num_fw_objs); } static u32 uof_get_ae_mask(struct adf_accel_dev *accel_dev, u32 obj_num) { switch (get_service_enabled(accel_dev)) { case SVC_CY: - return adf_4xxx_fw_cy_config[obj_num].ae_mask; + return adf_fw_cy_config[obj_num].ae_mask; case SVC_DC: - return adf_4xxx_fw_dc_config[obj_num].ae_mask; + return adf_fw_dc_config[obj_num].ae_mask; + case SVC_CY2: + return adf_fw_cy_config[obj_num].ae_mask; + case SVC_SYM: + return adf_fw_sym_config[obj_num].ae_mask; + case SVC_ASYM: + return adf_fw_asym_config[obj_num].ae_mask; + case SVC_ASYM_DC: + case SVC_DC_ASYM: + return adf_fw_asym_dc_config[obj_num].ae_mask; + case SVC_SYM_DC: + case SVC_DC_SYM: + return adf_fw_sym_dc_config[obj_num].ae_mask; + default: + return 0; } - - return 0; } void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data, u32 dev_id) diff --git a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h index 085e259c245a..e5b314d2b60e 100644 --- a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h +++ b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h @@ -72,7 +72,7 @@ enum icp_qat_4xxx_slice_mask { ICP_ACCEL_4XXX_MASK_COMPRESS_SLICE = BIT(3), ICP_ACCEL_4XXX_MASK_UCS_SLICE = BIT(4), ICP_ACCEL_4XXX_MASK_EIA3_SLICE = BIT(5), - ICP_ACCEL_4XXX_MASK_SMX_SLICE = BIT(6), + ICP_ACCEL_4XXX_MASK_SMX_SLICE = BIT(7), }; void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data, u32 dev_id); diff --git a/drivers/crypto/intel/qat/qat_4xxx/adf_drv.c b/drivers/crypto/intel/qat/qat_4xxx/adf_drv.c index ceb87327a5fe..1a15600361d0 100644 --- a/drivers/crypto/intel/qat/qat_4xxx/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_4xxx/adf_drv.c @@ -7,6 +7,7 @@ #include <adf_accel_devices.h> #include <adf_cfg.h> #include <adf_common_drv.h> +#include <adf_dbgfs.h> #include "adf_4xxx_hw_data.h" #include "qat_compression.h" @@ -24,11 +25,25 @@ MODULE_DEVICE_TABLE(pci, adf_pci_tbl); enum configs { DEV_CFG_CY = 0, DEV_CFG_DC, + DEV_CFG_SYM, + DEV_CFG_ASYM, + DEV_CFG_ASYM_SYM, + DEV_CFG_ASYM_DC, + DEV_CFG_DC_ASYM, + DEV_CFG_SYM_DC, + DEV_CFG_DC_SYM, }; static const char * const services_operations[] = { ADF_CFG_CY, ADF_CFG_DC, + ADF_CFG_SYM, + ADF_CFG_ASYM, + ADF_CFG_ASYM_SYM, + ADF_CFG_ASYM_DC, + ADF_CFG_DC_ASYM, + ADF_CFG_SYM_DC, + ADF_CFG_DC_SYM, }; static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) @@ -37,8 +52,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) adf_clean_hw_data_4xxx(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); adf_devmgr_rm_dev(accel_dev, NULL); } @@ -241,6 +256,21 @@ err: return ret; } +static int adf_no_dev_config(struct adf_accel_dev *accel_dev) +{ + unsigned long val; + int ret; + + val = 0; + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC, + &val, ADF_DEC); + if (ret) + return ret; + + return adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY, + &val, ADF_DEC); +} + int adf_gen4_dev_config(struct adf_accel_dev *accel_dev) { char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0}; @@ -265,11 +295,15 @@ int adf_gen4_dev_config(struct adf_accel_dev *accel_dev) switch (ret) { case DEV_CFG_CY: + case DEV_CFG_ASYM_SYM: ret = adf_crypto_dev_config(accel_dev); break; case DEV_CFG_DC: ret = adf_comp_dev_config(accel_dev); break; + default: + ret = adf_no_dev_config(accel_dev); + break; } if (ret) @@ -289,7 +323,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *accel_dev; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; struct adf_bar *bar; @@ -348,12 +381,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err; } - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -410,6 +437,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err; } + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, true); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/intel/qat/qat_c3xxx/adf_drv.c index bb4dca735ab5..468c9102093f 100644 --- a/drivers/crypto/intel/qat/qat_c3xxx/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c3xxx/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_c3xxx_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -65,8 +66,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); adf_devmgr_rm_dev(accel_dev, NULL); } @@ -75,7 +76,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *accel_dev; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -142,12 +142,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err; } - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -199,6 +193,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err_free_reg; } + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, true); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_c3xxxvf/adf_drv.c b/drivers/crypto/intel/qat/qat_c3xxxvf/adf_drv.c index e8cc10f64134..d5a0ecca9d0b 100644 --- a/drivers/crypto/intel/qat/qat_c3xxxvf/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c3xxxvf/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_c3xxxvf_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -64,8 +65,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn); adf_devmgr_rm_dev(accel_dev, pf); } @@ -76,7 +77,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *pf; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -123,12 +123,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw_data->ae_mask = hw_data->get_ae_mask(hw_data); accel_pci_dev->sku = hw_data->get_sku(hw_data); - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -173,6 +167,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Completion for VF2PF request/response message exchange */ init_completion(&accel_dev->vf.msg_received); + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, false); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c index ca18ae14c099..0186921be936 100644 --- a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_c62x_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -65,8 +66,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); adf_devmgr_rm_dev(accel_dev, NULL); } @@ -75,7 +76,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *accel_dev; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -142,12 +142,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err; } - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -199,6 +193,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err_free_reg; } + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, true); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_c62xvf/adf_drv.c b/drivers/crypto/intel/qat/qat_c62xvf/adf_drv.c index 37566309df94..c9ae6c0d0dca 100644 --- a/drivers/crypto/intel/qat/qat_c62xvf/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62xvf/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_c62xvf_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -64,8 +65,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn); adf_devmgr_rm_dev(accel_dev, pf); } @@ -76,7 +77,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *pf; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -123,12 +123,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw_data->ae_mask = hw_data->get_ae_mask(hw_data); accel_pci_dev->sku = hw_data->get_sku(hw_data); - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -173,6 +167,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Completion for VF2PF request/response message exchange */ init_completion(&accel_dev->vf.msg_received); + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, false); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_common/Makefile b/drivers/crypto/intel/qat/qat_common/Makefile index 1fb8d50f509f..38de3aba6e8c 100644 --- a/drivers/crypto/intel/qat/qat_common/Makefile +++ b/drivers/crypto/intel/qat/qat_common/Makefile @@ -27,7 +27,9 @@ intel_qat-objs := adf_cfg.o \ qat_hal.o \ qat_bl.o -intel_qat-$(CONFIG_DEBUG_FS) += adf_transport_debug.o +intel_qat-$(CONFIG_DEBUG_FS) += adf_transport_debug.o \ + adf_dbgfs.o + intel_qat-$(CONFIG_PCI_IOV) += adf_sriov.o adf_vf_isr.o adf_pfvf_utils.o \ adf_pfvf_pf_msg.o adf_pfvf_pf_proto.o \ adf_pfvf_vf_msg.o adf_pfvf_vf_proto.o \ diff --git a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h index bd19e6460899..0399417b91fc 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h @@ -202,7 +202,7 @@ struct adf_hw_device_data { int (*ring_pair_reset)(struct adf_accel_dev *accel_dev, u32 bank_nr); void (*reset_device)(struct adf_accel_dev *accel_dev); void (*set_msix_rttable)(struct adf_accel_dev *accel_dev); - char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num); + const char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num); u32 (*uof_get_num_objs)(void); u32 (*uof_get_ae_mask)(struct adf_accel_dev *accel_dev, u32 obj_num); int (*dev_config)(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c b/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c index 4ce2b666929e..6be064dc64c8 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c +++ b/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c @@ -13,7 +13,7 @@ static int adf_ae_fw_load_images(struct adf_accel_dev *accel_dev, void *fw_addr, struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; struct adf_hw_device_data *hw_device = accel_dev->hw_device; struct icp_qat_fw_loader_handle *loader; - char *obj_name; + const char *obj_name; u32 num_objs; u32 ae_mask; int i; diff --git a/drivers/crypto/intel/qat/qat_common/adf_admin.c b/drivers/crypto/intel/qat/qat_common/adf_admin.c index 3b6184c35081..118775ee02f2 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_admin.c +++ b/drivers/crypto/intel/qat/qat_common/adf_admin.c @@ -286,7 +286,6 @@ int adf_init_admin_pm(struct adf_accel_dev *accel_dev, u32 idle_delay) return adf_send_admin(accel_dev, &req, &resp, ae_mask); } -EXPORT_SYMBOL_GPL(adf_init_admin_pm); int adf_init_admin_comms(struct adf_accel_dev *accel_dev) { diff --git a/drivers/crypto/intel/qat/qat_common/adf_cfg.c b/drivers/crypto/intel/qat/qat_common/adf_cfg.c index 1931e5b37f2b..8836f015c39c 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_cfg.c +++ b/drivers/crypto/intel/qat/qat_common/adf_cfg.c @@ -74,15 +74,30 @@ int adf_cfg_dev_add(struct adf_accel_dev *accel_dev) INIT_LIST_HEAD(&dev_cfg_data->sec_list); init_rwsem(&dev_cfg_data->lock); accel_dev->cfg = dev_cfg_data; + return 0; +} +EXPORT_SYMBOL_GPL(adf_cfg_dev_add); - /* accel_dev->debugfs_dir should always be non-NULL here */ - dev_cfg_data->debug = debugfs_create_file("dev_cfg", S_IRUSR, +void adf_cfg_dev_dbgfs_add(struct adf_accel_dev *accel_dev) +{ + struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg; + + dev_cfg_data->debug = debugfs_create_file("dev_cfg", 0400, accel_dev->debugfs_dir, dev_cfg_data, &qat_dev_cfg_fops); - return 0; } -EXPORT_SYMBOL_GPL(adf_cfg_dev_add); + +void adf_cfg_dev_dbgfs_rm(struct adf_accel_dev *accel_dev) +{ + struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg; + + if (!dev_cfg_data) + return; + + debugfs_remove(dev_cfg_data->debug); + dev_cfg_data->debug = NULL; +} static void adf_cfg_section_del_all(struct list_head *head); @@ -116,7 +131,6 @@ void adf_cfg_dev_remove(struct adf_accel_dev *accel_dev) down_write(&dev_cfg_data->lock); adf_cfg_section_del_all(&dev_cfg_data->sec_list); up_write(&dev_cfg_data->lock); - debugfs_remove(dev_cfg_data->debug); kfree(dev_cfg_data); accel_dev->cfg = NULL; } diff --git a/drivers/crypto/intel/qat/qat_common/adf_cfg.h b/drivers/crypto/intel/qat/qat_common/adf_cfg.h index 376cde61a60e..c0c9052b2213 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_cfg.h +++ b/drivers/crypto/intel/qat/qat_common/adf_cfg.h @@ -31,6 +31,8 @@ struct adf_cfg_device_data { int adf_cfg_dev_add(struct adf_accel_dev *accel_dev); void adf_cfg_dev_remove(struct adf_accel_dev *accel_dev); +void adf_cfg_dev_dbgfs_add(struct adf_accel_dev *accel_dev); +void adf_cfg_dev_dbgfs_rm(struct adf_accel_dev *accel_dev); int adf_cfg_section_add(struct adf_accel_dev *accel_dev, const char *name); void adf_cfg_del_all(struct adf_accel_dev *accel_dev); int adf_cfg_add_key_value_param(struct adf_accel_dev *accel_dev, diff --git a/drivers/crypto/intel/qat/qat_common/adf_cfg_strings.h b/drivers/crypto/intel/qat/qat_common/adf_cfg_strings.h index 5d8c3bdb258c..3ae1e5caee0e 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_cfg_strings.h +++ b/drivers/crypto/intel/qat/qat_common/adf_cfg_strings.h @@ -25,7 +25,15 @@ #define ADF_DC "Dc" #define ADF_CFG_DC "dc" #define ADF_CFG_CY "sym;asym" +#define ADF_CFG_SYM "sym" +#define ADF_CFG_ASYM "asym" +#define ADF_CFG_ASYM_SYM "asym;sym" +#define ADF_CFG_ASYM_DC "asym;dc" +#define ADF_CFG_DC_ASYM "dc;asym" +#define ADF_CFG_SYM_DC "sym;dc" +#define ADF_CFG_DC_SYM "dc;sym" #define ADF_SERVICES_ENABLED "ServicesEnabled" +#define ADF_PM_IDLE_SUPPORT "PmIdleSupport" #define ADF_ETRMGR_COALESCING_ENABLED "InterruptCoalescingEnabled" #define ADF_ETRMGR_COALESCING_ENABLED_FORMAT \ ADF_ETRMGR_BANK "%d" ADF_ETRMGR_COALESCING_ENABLED diff --git a/drivers/crypto/intel/qat/qat_common/adf_common_drv.h b/drivers/crypto/intel/qat/qat_common/adf_common_drv.h index db79759bee61..b8132eb9bc2a 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/intel/qat/qat_common/adf_common_drv.h @@ -187,7 +187,7 @@ void qat_uclo_del_obj(struct icp_qat_fw_loader_handle *handle); 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); + void *addr_ptr, u32 mem_size, const char *obj_name); int qat_uclo_set_cfg_ae_mask(struct icp_qat_fw_loader_handle *handle, unsigned int cfg_ae_mask); int adf_init_misc_wq(void); diff --git a/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c new file mode 100644 index 000000000000..d0a2f892e6eb --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2023 Intel Corporation */ + +#include <linux/debugfs.h> +#include "adf_accel_devices.h" +#include "adf_cfg.h" +#include "adf_common_drv.h" +#include "adf_dbgfs.h" + +/** + * adf_dbgfs_init() - add persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + * + * This function creates debugfs entries that are persistent through a device + * state change (from up to down or vice versa). + */ +void adf_dbgfs_init(struct adf_accel_dev *accel_dev) +{ + char name[ADF_DEVICE_NAME_LENGTH]; + void *ret; + + /* Create dev top level debugfs entry */ + snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, + accel_dev->hw_device->dev_class->name, + pci_name(accel_dev->accel_pci_dev.pci_dev)); + + ret = debugfs_create_dir(name, NULL); + if (IS_ERR_OR_NULL(ret)) + return; + + accel_dev->debugfs_dir = ret; + + adf_cfg_dev_dbgfs_add(accel_dev); +} +EXPORT_SYMBOL_GPL(adf_dbgfs_init); + +/** + * adf_dbgfs_exit() - remove persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + */ +void adf_dbgfs_exit(struct adf_accel_dev *accel_dev) +{ + adf_cfg_dev_dbgfs_rm(accel_dev); + debugfs_remove(accel_dev->debugfs_dir); +} +EXPORT_SYMBOL_GPL(adf_dbgfs_exit); + +/** + * adf_dbgfs_add() - add non-persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + * + * This function creates debugfs entries that are not persistent through + * a device state change (from up to down or vice versa). + */ +void adf_dbgfs_add(struct adf_accel_dev *accel_dev) +{ + if (!accel_dev->debugfs_dir) + return; +} + +/** + * adf_dbgfs_rm() - remove non-persistent debugfs entries + * @accel_dev: Pointer to acceleration device. + */ +void adf_dbgfs_rm(struct adf_accel_dev *accel_dev) +{ + if (!accel_dev->debugfs_dir) + return; +} diff --git a/drivers/crypto/intel/qat/qat_common/adf_dbgfs.h b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.h new file mode 100644 index 000000000000..e0cb2c2a2ed0 --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_dbgfs.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright(c) 2023 Intel Corporation */ + +#ifndef ADF_DBGFS_H +#define ADF_DBGFS_H + +#ifdef CONFIG_DEBUG_FS +void adf_dbgfs_init(struct adf_accel_dev *accel_dev); +void adf_dbgfs_add(struct adf_accel_dev *accel_dev); +void adf_dbgfs_rm(struct adf_accel_dev *accel_dev); +void adf_dbgfs_exit(struct adf_accel_dev *accel_dev); +#else +static inline void adf_dbgfs_init(struct adf_accel_dev *accel_dev) +{ +} + +static inline void adf_dbgfs_add(struct adf_accel_dev *accel_dev) +{ +} + +static inline void adf_dbgfs_rm(struct adf_accel_dev *accel_dev) +{ +} + +static inline void adf_dbgfs_exit(struct adf_accel_dev *accel_dev) +{ +} +#endif +#endif diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c index 7037c0892a8a..34c6cd8e27c0 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c @@ -23,15 +23,25 @@ struct adf_gen4_pm_data { static int send_host_msg(struct adf_accel_dev *accel_dev) { + char pm_idle_support_cfg[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {}; void __iomem *pmisc = adf_get_pmisc_base(accel_dev); + bool pm_idle_support; u32 msg; + int ret; msg = ADF_CSR_RD(pmisc, ADF_GEN4_PM_HOST_MSG); if (msg & ADF_GEN4_PM_MSG_PENDING) return -EBUSY; + adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC, + ADF_PM_IDLE_SUPPORT, pm_idle_support_cfg); + ret = kstrtobool(pm_idle_support_cfg, &pm_idle_support); + if (ret) + pm_idle_support = true; + /* Send HOST_MSG */ - msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK, PM_SET_MIN); + msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK, + pm_idle_support ? PM_SET_MIN : PM_NO_CHANGE); msg |= ADF_GEN4_PM_MSG_PENDING; ADF_CSR_WR(pmisc, ADF_GEN4_PM_HOST_MSG, msg); diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h index f8f8a9ee29e5..dd112923e006 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h @@ -37,6 +37,7 @@ #define ADF_GEN4_PM_DEFAULT_IDLE_FILTER (0x0) #define ADF_GEN4_PM_MAX_IDLE_FILTER (0x7) +#define ADF_GEN4_PM_DEFAULT_IDLE_SUPPORT (0x1) int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev); bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/intel/qat/qat_common/adf_init.c b/drivers/crypto/intel/qat/qat_common/adf_init.c index 0985f64ab11a..826179c98524 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_init.c +++ b/drivers/crypto/intel/qat/qat_common/adf_init.c @@ -7,6 +7,7 @@ #include "adf_accel_devices.h" #include "adf_cfg.h" #include "adf_common_drv.h" +#include "adf_dbgfs.h" static LIST_HEAD(service_table); static DEFINE_MUTEX(service_lock); @@ -216,6 +217,9 @@ static int adf_dev_start(struct adf_accel_dev *accel_dev) clear_bit(ADF_STATUS_STARTED, &accel_dev->status); return -EFAULT; } + + adf_dbgfs_add(accel_dev); + return 0; } @@ -240,6 +244,8 @@ static void adf_dev_stop(struct adf_accel_dev *accel_dev) !test_bit(ADF_STATUS_STARTING, &accel_dev->status)) return; + adf_dbgfs_rm(accel_dev); + clear_bit(ADF_STATUS_STARTING, &accel_dev->status); clear_bit(ADF_STATUS_STARTED, &accel_dev->status); diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c index 3eb6611ab1b1..a74d2f930367 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c +++ b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c @@ -78,6 +78,13 @@ static ssize_t state_store(struct device *dev, struct device_attribute *attr, static const char * const services_operations[] = { ADF_CFG_CY, ADF_CFG_DC, + ADF_CFG_SYM, + ADF_CFG_ASYM, + ADF_CFG_ASYM_SYM, + ADF_CFG_ASYM_DC, + ADF_CFG_DC_ASYM, + ADF_CFG_SYM_DC, + ADF_CFG_DC_SYM, }; static ssize_t cfg_services_show(struct device *dev, struct device_attribute *attr, @@ -145,12 +152,65 @@ static ssize_t cfg_services_store(struct device *dev, struct device_attribute *a return count; } +static ssize_t pm_idle_enabled_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + char pm_idle_enabled[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {}; + struct adf_accel_dev *accel_dev; + int ret; + + accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev)); + if (!accel_dev) + return -EINVAL; + + ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC, + ADF_PM_IDLE_SUPPORT, pm_idle_enabled); + if (ret) + return sysfs_emit(buf, "1\n"); + + return sysfs_emit(buf, "%s\n", pm_idle_enabled); +} + +static ssize_t pm_idle_enabled_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + unsigned long pm_idle_enabled_cfg_val; + struct adf_accel_dev *accel_dev; + bool pm_idle_enabled; + int ret; + + ret = kstrtobool(buf, &pm_idle_enabled); + if (ret) + return ret; + + pm_idle_enabled_cfg_val = pm_idle_enabled; + accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev)); + if (!accel_dev) + return -EINVAL; + + if (adf_dev_started(accel_dev)) { + dev_info(dev, "Device qat_dev%d must be down to set pm_idle_enabled.\n", + accel_dev->accel_id); + return -EINVAL; + } + + ret = adf_cfg_add_key_value_param(accel_dev, ADF_GENERAL_SEC, + ADF_PM_IDLE_SUPPORT, &pm_idle_enabled_cfg_val, + ADF_DEC); + if (ret) + return ret; + + return count; +} +static DEVICE_ATTR_RW(pm_idle_enabled); + static DEVICE_ATTR_RW(state); static DEVICE_ATTR_RW(cfg_services); static struct attribute *qat_attrs[] = { &dev_attr_state.attr, &dev_attr_cfg_services.attr, + &dev_attr_pm_idle_enabled.attr, NULL, }; diff --git a/drivers/crypto/intel/qat/qat_common/icp_qat_hw.h b/drivers/crypto/intel/qat/qat_common/icp_qat_hw.h index 4042739bb6fa..a65059e56248 100644 --- a/drivers/crypto/intel/qat/qat_common/icp_qat_hw.h +++ b/drivers/crypto/intel/qat/qat_common/icp_qat_hw.h @@ -87,8 +87,7 @@ enum icp_qat_capabilities_mask { ICP_ACCEL_CAPABILITIES_AUTHENTICATION = BIT(3), ICP_ACCEL_CAPABILITIES_RESERVED_1 = BIT(4), ICP_ACCEL_CAPABILITIES_COMPRESSION = BIT(5), - ICP_ACCEL_CAPABILITIES_LZS_COMPRESSION = BIT(6), - ICP_ACCEL_CAPABILITIES_RAND = BIT(7), + /* Bits 6-7 are currently reserved */ ICP_ACCEL_CAPABILITIES_ZUC = BIT(8), ICP_ACCEL_CAPABILITIES_SHA3 = BIT(9), /* Bits 10-11 are currently reserved */ diff --git a/drivers/crypto/intel/qat/qat_common/qat_algs.c b/drivers/crypto/intel/qat/qat_common/qat_algs.c index 538dcbfbcd26..3c4bba4a8779 100644 --- a/drivers/crypto/intel/qat/qat_common/qat_algs.c +++ b/drivers/crypto/intel/qat/qat_common/qat_algs.c @@ -106,7 +106,6 @@ static int qat_get_inter_state_size(enum icp_qat_hw_auth_algo qat_hash_alg) default: return -EFAULT; } - return -EFAULT; } static int qat_alg_do_precomputes(struct icp_qat_hw_auth_algo_blk *hash, diff --git a/drivers/crypto/intel/qat/qat_common/qat_asym_algs.c b/drivers/crypto/intel/qat/qat_common/qat_asym_algs.c index 935a7e012946..4128200a9032 100644 --- a/drivers/crypto/intel/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/intel/qat/qat_common/qat_asym_algs.c @@ -170,15 +170,14 @@ static void qat_dh_cb(struct icp_qat_fw_pke_resp *resp) } areq->dst_len = req->ctx.dh->p_size; + dma_unmap_single(dev, req->out.dh.r, req->ctx.dh->p_size, + DMA_FROM_DEVICE); if (req->dst_align) { scatterwalk_map_and_copy(req->dst_align, areq->dst, 0, areq->dst_len, 1); kfree_sensitive(req->dst_align); } - dma_unmap_single(dev, req->out.dh.r, req->ctx.dh->p_size, - DMA_FROM_DEVICE); - dma_unmap_single(dev, req->phy_in, sizeof(struct qat_dh_input_params), DMA_TO_DEVICE); dma_unmap_single(dev, req->phy_out, @@ -521,12 +520,14 @@ static void qat_rsa_cb(struct icp_qat_fw_pke_resp *resp) err = (err == ICP_QAT_FW_COMN_STATUS_FLAG_OK) ? 0 : -EINVAL; - kfree_sensitive(req->src_align); - dma_unmap_single(dev, req->in.rsa.enc.m, req->ctx.rsa->key_sz, DMA_TO_DEVICE); + kfree_sensitive(req->src_align); + areq->dst_len = req->ctx.rsa->key_sz; + dma_unmap_single(dev, req->out.rsa.enc.c, req->ctx.rsa->key_sz, + DMA_FROM_DEVICE); if (req->dst_align) { scatterwalk_map_and_copy(req->dst_align, areq->dst, 0, areq->dst_len, 1); @@ -534,9 +535,6 @@ static void qat_rsa_cb(struct icp_qat_fw_pke_resp *resp) kfree_sensitive(req->dst_align); } - dma_unmap_single(dev, req->out.rsa.enc.c, req->ctx.rsa->key_sz, - DMA_FROM_DEVICE); - dma_unmap_single(dev, req->phy_in, sizeof(struct qat_rsa_input_params), DMA_TO_DEVICE); dma_unmap_single(dev, req->phy_out, diff --git a/drivers/crypto/intel/qat/qat_common/qat_uclo.c b/drivers/crypto/intel/qat/qat_common/qat_uclo.c index 3ba8ca20b3d7..ce837bcc1cab 100644 --- a/drivers/crypto/intel/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/intel/qat/qat_common/qat_uclo.c @@ -1685,7 +1685,7 @@ static void qat_uclo_del_mof(struct icp_qat_fw_loader_handle *handle) } static int qat_uclo_seek_obj_inside_mof(struct icp_qat_mof_handle *mobj_handle, - char *obj_name, char **obj_ptr, + const char *obj_name, char **obj_ptr, unsigned int *obj_size) { struct icp_qat_mof_objhdr *obj_hdr = mobj_handle->obj_table.obj_hdr; @@ -1837,8 +1837,8 @@ static int qat_uclo_check_mof_format(struct icp_qat_mof_file_hdr *mof_hdr) static int qat_uclo_map_mof_obj(struct icp_qat_fw_loader_handle *handle, struct icp_qat_mof_file_hdr *mof_ptr, - u32 mof_size, char *obj_name, char **obj_ptr, - unsigned int *obj_size) + u32 mof_size, const char *obj_name, + char **obj_ptr, unsigned int *obj_size) { struct icp_qat_mof_chunkhdr *mof_chunkhdr; unsigned int file_id = mof_ptr->file_id; @@ -1888,7 +1888,7 @@ static int qat_uclo_map_mof_obj(struct icp_qat_fw_loader_handle *handle, } int qat_uclo_map_obj(struct icp_qat_fw_loader_handle *handle, - void *addr_ptr, u32 mem_size, char *obj_name) + void *addr_ptr, u32 mem_size, const char *obj_name) { char *obj_addr; u32 obj_size; diff --git a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c index e18860ab5c8e..1e748e8ce12d 100644 --- a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_dh895xcc_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -65,8 +66,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); adf_devmgr_rm_dev(accel_dev, NULL); } @@ -75,7 +76,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *accel_dev; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -140,12 +140,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err; } - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -199,6 +193,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_err_free_reg; } + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, true); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/intel/qat/qat_dh895xccvf/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xccvf/adf_drv.c index 96854a1cd87e..fefb85ceaeb9 100644 --- a/drivers/crypto/intel/qat/qat_dh895xccvf/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xccvf/adf_drv.c @@ -16,6 +16,7 @@ #include <adf_accel_devices.h> #include <adf_common_drv.h> #include <adf_cfg.h> +#include <adf_dbgfs.h> #include "adf_dh895xccvf_hw_data.h" static const struct pci_device_id adf_pci_tbl[] = { @@ -64,8 +65,8 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev->hw_device); accel_dev->hw_device = NULL; } + adf_dbgfs_exit(accel_dev); adf_cfg_dev_remove(accel_dev); - debugfs_remove(accel_dev->debugfs_dir); pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn); adf_devmgr_rm_dev(accel_dev, pf); } @@ -76,7 +77,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct adf_accel_dev *pf; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; - char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; unsigned long bar_mask; int ret; @@ -123,12 +123,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw_data->ae_mask = hw_data->get_ae_mask(hw_data); accel_pci_dev->sku = hw_data->get_sku(hw_data); - /* Create dev top level debugfs entry */ - snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, - hw_data->dev_class->name, pci_name(pdev)); - - accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); - /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) @@ -173,6 +167,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Completion for VF2PF request/response message exchange */ init_completion(&accel_dev->vf.msg_received); + adf_dbgfs_init(accel_dev); + ret = adf_dev_up(accel_dev, false); if (ret) goto out_err_dev_stop; diff --git a/drivers/crypto/marvell/cesa/cipher.c b/drivers/crypto/marvell/cesa/cipher.c index c6f2fa753b7c..0f37dfd42d85 100644 --- a/drivers/crypto/marvell/cesa/cipher.c +++ b/drivers/crypto/marvell/cesa/cipher.c @@ -297,7 +297,7 @@ static int mv_cesa_des_setkey(struct crypto_skcipher *cipher, const u8 *key, static int mv_cesa_des3_ede_setkey(struct crypto_skcipher *cipher, const u8 *key, unsigned int len) { - struct mv_cesa_des_ctx *ctx = crypto_skcipher_ctx(cipher); + struct mv_cesa_des3_ctx *ctx = crypto_skcipher_ctx(cipher); int err; err = verify_skcipher_des3_key(cipher, key); diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h index 6019066a6451..46b778bbbee4 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h +++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h @@ -40,11 +40,26 @@ enum otx2_cpt_eng_type { }; /* Take mbox id from end of CPT mbox range in AF (range 0xA00 - 0xBFF) */ +#define MBOX_MSG_RX_INLINE_IPSEC_LF_CFG 0xBFE #define MBOX_MSG_GET_ENG_GRP_NUM 0xBFF #define MBOX_MSG_GET_CAPS 0xBFD #define MBOX_MSG_GET_KVF_LIMITS 0xBFC /* + * Message request to config cpt lf for inline inbound ipsec. + * This message is only used between CPT PF <-> CPT VF + */ +struct otx2_cpt_rx_inline_lf_cfg { + struct mbox_msghdr hdr; + u16 sso_pf_func; + u16 param1; + u16 param2; + u16 opcode; + u32 credit; + u32 reserved; +}; + +/* * Message request and response to get engine group number * which has attached a given type of engines (SE, AE, IE) * This messages are only used between CPT PF <=> CPT VF diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c index 115997475beb..273ee5352a50 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c @@ -141,6 +141,8 @@ int otx2_cpt_attach_rscrs_msg(struct otx2_cptlfs_info *lfs) req->hdr.sig = OTX2_MBOX_REQ_SIG; req->hdr.pcifunc = 0; req->cptlfs = lfs->lfs_num; + req->cpt_blkaddr = lfs->blkaddr; + req->modify = 1; ret = otx2_cpt_send_mbox_msg(mbox, lfs->pdev); if (ret) return ret; @@ -168,6 +170,7 @@ int otx2_cpt_detach_rsrcs_msg(struct otx2_cptlfs_info *lfs) req->hdr.id = MBOX_MSG_DETACH_RESOURCES; req->hdr.sig = OTX2_MBOX_REQ_SIG; req->hdr.pcifunc = 0; + req->cptlfs = 1; ret = otx2_cpt_send_mbox_msg(mbox, lfs->pdev); if (ret) return ret; diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c index 71e5f79431af..6edd27ff8c4e 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c @@ -13,10 +13,10 @@ static void cptlf_do_set_done_time_wait(struct otx2_cptlf_info *lf, { union otx2_cptx_lf_done_wait done_wait; - done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, - OTX2_CPT_LF_DONE_WAIT); + done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, lf->lfs->blkaddr, + lf->slot, OTX2_CPT_LF_DONE_WAIT); done_wait.s.time_wait = time_wait; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE_WAIT, done_wait.u); } @@ -24,10 +24,10 @@ static void cptlf_do_set_done_num_wait(struct otx2_cptlf_info *lf, int num_wait) { union otx2_cptx_lf_done_wait done_wait; - done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, - OTX2_CPT_LF_DONE_WAIT); + done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, lf->lfs->blkaddr, + lf->slot, OTX2_CPT_LF_DONE_WAIT); done_wait.s.num_wait = num_wait; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE_WAIT, done_wait.u); } @@ -147,7 +147,7 @@ static void cptlf_set_misc_intrs(struct otx2_cptlfs_info *lfs, u8 enable) irq_misc.s.nwrp = 0x1; for (slot = 0; slot < lfs->lfs_num; slot++) - otx2_cpt_write64(lfs->reg_base, BLKADDR_CPT0, slot, reg, + otx2_cpt_write64(lfs->reg_base, lfs->blkaddr, slot, reg, irq_misc.u); } @@ -157,7 +157,7 @@ static void cptlf_enable_intrs(struct otx2_cptlfs_info *lfs) /* Enable done interrupts */ for (slot = 0; slot < lfs->lfs_num; slot++) - otx2_cpt_write64(lfs->reg_base, BLKADDR_CPT0, slot, + otx2_cpt_write64(lfs->reg_base, lfs->blkaddr, slot, OTX2_CPT_LF_DONE_INT_ENA_W1S, 0x1); /* Enable Misc interrupts */ cptlf_set_misc_intrs(lfs, true); @@ -168,7 +168,7 @@ static void cptlf_disable_intrs(struct otx2_cptlfs_info *lfs) int slot; for (slot = 0; slot < lfs->lfs_num; slot++) - otx2_cpt_write64(lfs->reg_base, BLKADDR_CPT0, slot, + otx2_cpt_write64(lfs->reg_base, lfs->blkaddr, slot, OTX2_CPT_LF_DONE_INT_ENA_W1C, 0x1); cptlf_set_misc_intrs(lfs, false); } @@ -177,7 +177,7 @@ static inline int cptlf_read_done_cnt(struct otx2_cptlf_info *lf) { union otx2_cptx_lf_done irq_cnt; - irq_cnt.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + irq_cnt.u = otx2_cpt_read64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE); return irq_cnt.s.done; } @@ -189,8 +189,8 @@ static irqreturn_t cptlf_misc_intr_handler(int __always_unused irq, void *arg) struct device *dev; dev = &lf->lfs->pdev->dev; - irq_misc.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, - OTX2_CPT_LF_MISC_INT); + irq_misc.u = otx2_cpt_read64(lf->lfs->reg_base, lf->lfs->blkaddr, + lf->slot, OTX2_CPT_LF_MISC_INT); irq_misc_ack.u = 0x0; if (irq_misc.s.fault) { @@ -222,7 +222,7 @@ static irqreturn_t cptlf_misc_intr_handler(int __always_unused irq, void *arg) } /* Acknowledge interrupts */ - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_MISC_INT, irq_misc_ack.u); return IRQ_HANDLED; @@ -237,13 +237,13 @@ static irqreturn_t cptlf_done_intr_handler(int irq, void *arg) /* Read the number of completed requests */ irq_cnt = cptlf_read_done_cnt(lf); if (irq_cnt) { - done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, + done_wait.u = otx2_cpt_read64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE_WAIT); /* Acknowledge the number of completed requests */ - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE_ACK, irq_cnt); - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_DONE_WAIT, done_wait.u); if (unlikely(!lf->wqe)) { dev_err(&lf->lfs->pdev->dev, "No work for LF %d\n", @@ -393,7 +393,7 @@ int otx2_cptlf_init(struct otx2_cptlfs_info *lfs, u8 eng_grp_mask, int pri, OTX2_CPT_LMT_LF_LMTLINEX(0)); lfs->lf[slot].ioreg = lfs->reg_base + - OTX2_CPT_RVU_FUNC_ADDR_S(BLKADDR_CPT0, slot, + OTX2_CPT_RVU_FUNC_ADDR_S(lfs->blkaddr, slot, OTX2_CPT_LF_NQX(0)); } /* Send request to attach LFs */ diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.h b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h index 4fcaf61a70e3..5302fe3d0e6f 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptlf.h +++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h @@ -180,7 +180,7 @@ static inline void otx2_cptlf_set_iqueues_base_addr( for (slot = 0; slot < lfs->lfs_num; slot++) { lf_q_base.u = lfs->lf[slot].iqueue.dma_addr; - otx2_cpt_write64(lfs->reg_base, BLKADDR_CPT0, slot, + otx2_cpt_write64(lfs->reg_base, lfs->blkaddr, slot, OTX2_CPT_LF_Q_BASE, lf_q_base.u); } } @@ -191,7 +191,7 @@ static inline void otx2_cptlf_do_set_iqueue_size(struct otx2_cptlf_info *lf) lf_q_size.s.size_div40 = OTX2_CPT_SIZE_DIV40 + OTX2_CPT_EXTRA_SIZE_DIV40; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, lf->lfs->blkaddr, lf->slot, OTX2_CPT_LF_Q_SIZE, lf_q_size.u); } @@ -207,15 +207,16 @@ static inline void otx2_cptlf_do_disable_iqueue(struct otx2_cptlf_info *lf) { union otx2_cptx_lf_ctl lf_ctl = { .u = 0x0 }; union otx2_cptx_lf_inprog lf_inprog; + u8 blkaddr = lf->lfs->blkaddr; int timeout = 20; /* Disable instructions enqueuing */ - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_CTL, lf_ctl.u); /* Wait for instruction queue to become empty */ do { - lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, + lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_INPROG); if (!lf_inprog.s.inflight) break; @@ -234,7 +235,7 @@ static inline void otx2_cptlf_do_disable_iqueue(struct otx2_cptlf_info *lf) * the queue should be empty at this point */ lf_inprog.s.eena = 0x0; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_INPROG, lf_inprog.u); } @@ -249,14 +250,15 @@ static inline void otx2_cptlf_disable_iqueues(struct otx2_cptlfs_info *lfs) static inline void otx2_cptlf_set_iqueue_enq(struct otx2_cptlf_info *lf, bool enable) { + u8 blkaddr = lf->lfs->blkaddr; union otx2_cptx_lf_ctl lf_ctl; - lf_ctl.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + lf_ctl.u = otx2_cpt_read64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_CTL); /* Set iqueue's enqueuing */ lf_ctl.s.ena = enable ? 0x1 : 0x0; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_CTL, lf_ctl.u); } @@ -269,13 +271,14 @@ static inline void otx2_cptlf_set_iqueue_exec(struct otx2_cptlf_info *lf, bool enable) { union otx2_cptx_lf_inprog lf_inprog; + u8 blkaddr = lf->lfs->blkaddr; - lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_INPROG); /* Set iqueue's execution */ lf_inprog.s.eena = enable ? 0x1 : 0x0; - otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot, + otx2_cpt_write64(lf->lfs->reg_base, blkaddr, lf->slot, OTX2_CPT_LF_INPROG, lf_inprog.u); } @@ -364,6 +367,18 @@ static inline bool otx2_cptlf_started(struct otx2_cptlfs_info *lfs) return atomic_read(&lfs->state) == OTX2_CPTLF_STARTED; } +static inline void otx2_cptlf_set_dev_info(struct otx2_cptlfs_info *lfs, + struct pci_dev *pdev, + void __iomem *reg_base, + struct otx2_mbox *mbox, + int blkaddr) +{ + lfs->pdev = pdev; + lfs->reg_base = reg_base; + lfs->mbox = mbox; + lfs->blkaddr = blkaddr; +} + int otx2_cptlf_init(struct otx2_cptlfs_info *lfs, u8 eng_grp_msk, int pri, int lfs_num); void otx2_cptlf_shutdown(struct otx2_cptlfs_info *lfs); diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf.h b/drivers/crypto/marvell/octeontx2/otx2_cptpf.h index 936174b012e8..a209ec5af381 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf.h +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf.h @@ -31,6 +31,7 @@ struct otx2_cptpf_dev { struct otx2_cptvf_info vf[OTX2_CPT_MAX_VFS_NUM]; struct otx2_cpt_eng_grps eng_grps;/* Engine groups information */ struct otx2_cptlfs_info lfs; /* CPT LFs attached to this PF */ + struct otx2_cptlfs_info cpt1_lfs; /* CPT1 LFs attached to this PF */ /* HW capabilities for each engine type */ union otx2_cpt_eng_caps eng_caps[OTX2_CPT_MAX_ENG_TYPES]; bool is_eng_caps_discovered; @@ -40,6 +41,9 @@ struct otx2_cptpf_dev { struct work_struct afpf_mbox_work; struct workqueue_struct *afpf_mbox_wq; + struct otx2_mbox afpf_mbox_up; + struct work_struct afpf_mbox_up_work; + /* VF <=> PF mbox */ struct otx2_mbox vfpf_mbox; struct workqueue_struct *vfpf_mbox_wq; @@ -52,8 +56,10 @@ struct otx2_cptpf_dev { u8 pf_id; /* RVU PF number */ u8 max_vfs; /* Maximum number of VFs supported by CPT */ u8 enabled_vfs; /* Number of enabled VFs */ + u8 sso_pf_func_ovrd; /* SSO PF_FUNC override bit */ u8 kvf_limits; /* Kernel crypto limits */ bool has_cpt1; + u8 rsrc_req_blkaddr; /* Devlink */ struct devlink *dl; @@ -61,6 +67,7 @@ struct otx2_cptpf_dev { irqreturn_t otx2_cptpf_afpf_mbox_intr(int irq, void *arg); void otx2_cptpf_afpf_mbox_handler(struct work_struct *work); +void otx2_cptpf_afpf_mbox_up_handler(struct work_struct *work); irqreturn_t otx2_cptpf_vfpf_mbox_intr(int irq, void *arg); void otx2_cptpf_vfpf_mbox_handler(struct work_struct *work); diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c index 30e6acfc93d9..e34223daa327 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c @@ -13,6 +13,8 @@ #define OTX2_CPT_DRV_NAME "rvu_cptpf" #define OTX2_CPT_DRV_STRING "Marvell RVU CPT Physical Function Driver" +#define CPT_UC_RID_CN9K_B0 1 + static void cptpf_enable_vfpf_mbox_intr(struct otx2_cptpf_dev *cptpf, int num_vfs) { @@ -473,10 +475,19 @@ static int cptpf_afpf_mbox_init(struct otx2_cptpf_dev *cptpf) if (err) goto error; + err = otx2_mbox_init(&cptpf->afpf_mbox_up, cptpf->afpf_mbox_base, + pdev, cptpf->reg_base, MBOX_DIR_PFAF_UP, 1); + if (err) + goto mbox_cleanup; + INIT_WORK(&cptpf->afpf_mbox_work, otx2_cptpf_afpf_mbox_handler); + INIT_WORK(&cptpf->afpf_mbox_up_work, otx2_cptpf_afpf_mbox_up_handler); mutex_init(&cptpf->lock); + return 0; +mbox_cleanup: + otx2_mbox_destroy(&cptpf->afpf_mbox); error: destroy_workqueue(cptpf->afpf_mbox_wq); return err; @@ -486,6 +497,33 @@ static void cptpf_afpf_mbox_destroy(struct otx2_cptpf_dev *cptpf) { destroy_workqueue(cptpf->afpf_mbox_wq); otx2_mbox_destroy(&cptpf->afpf_mbox); + otx2_mbox_destroy(&cptpf->afpf_mbox_up); +} + +static ssize_t sso_pf_func_ovrd_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", cptpf->sso_pf_func_ovrd); +} + +static ssize_t sso_pf_func_ovrd_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev); + u8 sso_pf_func_ovrd; + + if (!(cptpf->pdev->revision == CPT_UC_RID_CN9K_B0)) + return count; + + if (kstrtou8(buf, 0, &sso_pf_func_ovrd)) + return -EINVAL; + + cptpf->sso_pf_func_ovrd = sso_pf_func_ovrd; + + return count; } static ssize_t kvf_limits_show(struct device *dev, @@ -518,8 +556,11 @@ static ssize_t kvf_limits_store(struct device *dev, } static DEVICE_ATTR_RW(kvf_limits); +static DEVICE_ATTR_RW(sso_pf_func_ovrd); + static struct attribute *cptpf_attrs[] = { &dev_attr_kvf_limits.attr, + &dev_attr_sso_pf_func_ovrd.attr, NULL }; diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c index dee0aa60b698..480b3720f15a 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c @@ -5,6 +5,20 @@ #include "otx2_cptpf.h" #include "rvu_reg.h" +/* Fastpath ipsec opcode with inplace processing */ +#define CPT_INLINE_RX_OPCODE (0x26 | (1 << 6)) +#define CN10K_CPT_INLINE_RX_OPCODE (0x29 | (1 << 6)) + +#define cpt_inline_rx_opcode(pdev) \ +({ \ + u8 opcode; \ + if (is_dev_otx2(pdev)) \ + opcode = CPT_INLINE_RX_OPCODE; \ + else \ + opcode = CN10K_CPT_INLINE_RX_OPCODE; \ + (opcode); \ +}) + /* * CPT PF driver version, It will be incremented by 1 for every feature * addition in CPT mailbox messages. @@ -112,6 +126,139 @@ static int handle_msg_kvf_limits(struct otx2_cptpf_dev *cptpf, return 0; } +static int send_inline_ipsec_inbound_msg(struct otx2_cptpf_dev *cptpf, + int sso_pf_func, u8 slot) +{ + struct cpt_inline_ipsec_cfg_msg *req; + struct pci_dev *pdev = cptpf->pdev; + + req = (struct cpt_inline_ipsec_cfg_msg *) + otx2_mbox_alloc_msg_rsp(&cptpf->afpf_mbox, 0, + sizeof(*req), sizeof(struct msg_rsp)); + if (req == NULL) { + dev_err(&pdev->dev, "RVU MBOX failed to get message.\n"); + return -EFAULT; + } + memset(req, 0, sizeof(*req)); + req->hdr.id = MBOX_MSG_CPT_INLINE_IPSEC_CFG; + req->hdr.sig = OTX2_MBOX_REQ_SIG; + req->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(cptpf->pf_id, 0); + req->dir = CPT_INLINE_INBOUND; + req->slot = slot; + req->sso_pf_func_ovrd = cptpf->sso_pf_func_ovrd; + req->sso_pf_func = sso_pf_func; + req->enable = 1; + + return otx2_cpt_send_mbox_msg(&cptpf->afpf_mbox, pdev); +} + +static int rx_inline_ipsec_lf_cfg(struct otx2_cptpf_dev *cptpf, u8 egrp, + struct otx2_cpt_rx_inline_lf_cfg *req) +{ + struct nix_inline_ipsec_cfg *nix_req; + struct pci_dev *pdev = cptpf->pdev; + int ret; + + nix_req = (struct nix_inline_ipsec_cfg *) + otx2_mbox_alloc_msg_rsp(&cptpf->afpf_mbox, 0, + sizeof(*nix_req), + sizeof(struct msg_rsp)); + if (nix_req == NULL) { + dev_err(&pdev->dev, "RVU MBOX failed to get message.\n"); + return -EFAULT; + } + memset(nix_req, 0, sizeof(*nix_req)); + nix_req->hdr.id = MBOX_MSG_NIX_INLINE_IPSEC_CFG; + nix_req->hdr.sig = OTX2_MBOX_REQ_SIG; + nix_req->enable = 1; + if (!req->credit || req->credit > OTX2_CPT_INST_QLEN_MSGS) + nix_req->cpt_credit = OTX2_CPT_INST_QLEN_MSGS - 1; + else + nix_req->cpt_credit = req->credit - 1; + nix_req->gen_cfg.egrp = egrp; + if (req->opcode) + nix_req->gen_cfg.opcode = req->opcode; + else + nix_req->gen_cfg.opcode = cpt_inline_rx_opcode(pdev); + nix_req->gen_cfg.param1 = req->param1; + nix_req->gen_cfg.param2 = req->param2; + nix_req->inst_qsel.cpt_pf_func = OTX2_CPT_RVU_PFFUNC(cptpf->pf_id, 0); + nix_req->inst_qsel.cpt_slot = 0; + ret = otx2_cpt_send_mbox_msg(&cptpf->afpf_mbox, pdev); + if (ret) + return ret; + + if (cptpf->has_cpt1) { + ret = send_inline_ipsec_inbound_msg(cptpf, req->sso_pf_func, 1); + if (ret) + return ret; + } + + return send_inline_ipsec_inbound_msg(cptpf, req->sso_pf_func, 0); +} + +static int handle_msg_rx_inline_ipsec_lf_cfg(struct otx2_cptpf_dev *cptpf, + struct mbox_msghdr *req) +{ + struct otx2_cpt_rx_inline_lf_cfg *cfg_req; + u8 egrp; + int ret; + + cfg_req = (struct otx2_cpt_rx_inline_lf_cfg *)req; + if (cptpf->lfs.lfs_num) { + dev_err(&cptpf->pdev->dev, + "LF is already configured for RX inline ipsec.\n"); + return -EEXIST; + } + /* + * Allow LFs to execute requests destined to only grp IE_TYPES and + * set queue priority of each LF to high + */ + egrp = otx2_cpt_get_eng_grp(&cptpf->eng_grps, OTX2_CPT_IE_TYPES); + if (egrp == OTX2_CPT_INVALID_CRYPTO_ENG_GRP) { + dev_err(&cptpf->pdev->dev, + "Engine group for inline ipsec is not available\n"); + return -ENOENT; + } + + otx2_cptlf_set_dev_info(&cptpf->lfs, cptpf->pdev, cptpf->reg_base, + &cptpf->afpf_mbox, BLKADDR_CPT0); + ret = otx2_cptlf_init(&cptpf->lfs, 1 << egrp, OTX2_CPT_QUEUE_HI_PRIO, + 1); + if (ret) { + dev_err(&cptpf->pdev->dev, + "LF configuration failed for RX inline ipsec.\n"); + return ret; + } + + if (cptpf->has_cpt1) { + cptpf->rsrc_req_blkaddr = BLKADDR_CPT1; + otx2_cptlf_set_dev_info(&cptpf->cpt1_lfs, cptpf->pdev, + cptpf->reg_base, &cptpf->afpf_mbox, + BLKADDR_CPT1); + ret = otx2_cptlf_init(&cptpf->cpt1_lfs, 1 << egrp, + OTX2_CPT_QUEUE_HI_PRIO, 1); + if (ret) { + dev_err(&cptpf->pdev->dev, + "LF configuration failed for RX inline ipsec.\n"); + goto lf_cleanup; + } + cptpf->rsrc_req_blkaddr = 0; + } + + ret = rx_inline_ipsec_lf_cfg(cptpf, egrp, cfg_req); + if (ret) + goto lf1_cleanup; + + return 0; + +lf1_cleanup: + otx2_cptlf_shutdown(&cptpf->cpt1_lfs); +lf_cleanup: + otx2_cptlf_shutdown(&cptpf->lfs); + return ret; +} + static int cptpf_handle_vf_req(struct otx2_cptpf_dev *cptpf, struct otx2_cptvf_info *vf, struct mbox_msghdr *req, int size) @@ -132,6 +279,10 @@ static int cptpf_handle_vf_req(struct otx2_cptpf_dev *cptpf, case MBOX_MSG_GET_KVF_LIMITS: err = handle_msg_kvf_limits(cptpf, vf, req); break; + case MBOX_MSG_RX_INLINE_IPSEC_LF_CFG: + err = handle_msg_rx_inline_ipsec_lf_cfg(cptpf, req); + break; + default: err = forward_to_af(cptpf, vf, req, size); break; @@ -224,14 +375,28 @@ void otx2_cptpf_vfpf_mbox_handler(struct work_struct *work) irqreturn_t otx2_cptpf_afpf_mbox_intr(int __always_unused irq, void *arg) { struct otx2_cptpf_dev *cptpf = arg; + struct otx2_mbox_dev *mdev; + struct otx2_mbox *mbox; + struct mbox_hdr *hdr; u64 intr; /* Read the interrupt bits */ intr = otx2_cpt_read64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT); if (intr & 0x1ULL) { - /* Schedule work queue function to process the MBOX request */ - queue_work(cptpf->afpf_mbox_wq, &cptpf->afpf_mbox_work); + mbox = &cptpf->afpf_mbox; + mdev = &mbox->dev[0]; + hdr = mdev->mbase + mbox->rx_start; + if (hdr->num_msgs) + /* Schedule work queue function to process the MBOX request */ + queue_work(cptpf->afpf_mbox_wq, &cptpf->afpf_mbox_work); + + mbox = &cptpf->afpf_mbox_up; + mdev = &mbox->dev[0]; + hdr = mdev->mbase + mbox->rx_start; + if (hdr->num_msgs) + /* Schedule work queue function to process the MBOX request */ + queue_work(cptpf->afpf_mbox_wq, &cptpf->afpf_mbox_up_work); /* Clear and ack the interrupt */ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT, 0x1ULL); @@ -242,6 +407,7 @@ irqreturn_t otx2_cptpf_afpf_mbox_intr(int __always_unused irq, void *arg) static void process_afpf_mbox_msg(struct otx2_cptpf_dev *cptpf, struct mbox_msghdr *msg) { + struct otx2_cptlfs_info *lfs = &cptpf->lfs; struct device *dev = &cptpf->pdev->dev; struct cpt_rd_wr_reg_msg *rsp_rd_wr; @@ -254,6 +420,8 @@ static void process_afpf_mbox_msg(struct otx2_cptpf_dev *cptpf, msg->sig, msg->id); return; } + if (cptpf->rsrc_req_blkaddr == BLKADDR_CPT1) + lfs = &cptpf->cpt1_lfs; switch (msg->id) { case MBOX_MSG_READY: @@ -273,11 +441,14 @@ static void process_afpf_mbox_msg(struct otx2_cptpf_dev *cptpf, break; case MBOX_MSG_ATTACH_RESOURCES: if (!msg->rc) - cptpf->lfs.are_lfs_attached = 1; + lfs->are_lfs_attached = 1; break; case MBOX_MSG_DETACH_RESOURCES: if (!msg->rc) - cptpf->lfs.are_lfs_attached = 0; + lfs->are_lfs_attached = 0; + break; + case MBOX_MSG_CPT_INLINE_IPSEC_CFG: + case MBOX_MSG_NIX_INLINE_IPSEC_CFG: break; default: @@ -367,3 +538,71 @@ void otx2_cptpf_afpf_mbox_handler(struct work_struct *work) } otx2_mbox_reset(afpf_mbox, 0); } + +static void handle_msg_cpt_inst_lmtst(struct otx2_cptpf_dev *cptpf, + struct mbox_msghdr *msg) +{ + struct cpt_inst_lmtst_req *req = (struct cpt_inst_lmtst_req *)msg; + struct otx2_cptlfs_info *lfs = &cptpf->lfs; + struct msg_rsp *rsp; + + if (cptpf->lfs.lfs_num) + lfs->ops->send_cmd((union otx2_cpt_inst_s *)req->inst, 1, + &lfs->lf[0]); + + rsp = (struct msg_rsp *)otx2_mbox_alloc_msg(&cptpf->afpf_mbox_up, 0, + sizeof(*rsp)); + if (!rsp) + return; + + rsp->hdr.id = msg->id; + rsp->hdr.sig = OTX2_MBOX_RSP_SIG; + rsp->hdr.pcifunc = 0; + rsp->hdr.rc = 0; +} + +static void process_afpf_mbox_up_msg(struct otx2_cptpf_dev *cptpf, + struct mbox_msghdr *msg) +{ + if (msg->id >= MBOX_MSG_MAX) { + dev_err(&cptpf->pdev->dev, + "MBOX msg with unknown ID %d\n", msg->id); + return; + } + + switch (msg->id) { + case MBOX_MSG_CPT_INST_LMTST: + handle_msg_cpt_inst_lmtst(cptpf, msg); + break; + default: + otx2_reply_invalid_msg(&cptpf->afpf_mbox_up, 0, 0, msg->id); + } +} + +void otx2_cptpf_afpf_mbox_up_handler(struct work_struct *work) +{ + struct otx2_cptpf_dev *cptpf; + struct otx2_mbox_dev *mdev; + struct mbox_hdr *rsp_hdr; + struct mbox_msghdr *msg; + struct otx2_mbox *mbox; + int offset, i; + + cptpf = container_of(work, struct otx2_cptpf_dev, afpf_mbox_up_work); + mbox = &cptpf->afpf_mbox_up; + mdev = &mbox->dev[0]; + /* Sync mbox data into memory */ + smp_wmb(); + + rsp_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start); + offset = mbox->rx_start + ALIGN(sizeof(*rsp_hdr), MBOX_MSG_ALIGN); + + for (i = 0; i < rsp_hdr->num_msgs; i++) { + msg = (struct mbox_msghdr *)(mdev->mbase + offset); + + process_afpf_mbox_up_msg(cptpf, msg); + + offset = mbox->rx_start + msg->next_msgoff; + } + otx2_mbox_msg_send(mbox, 0); +} diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c index 1577986677f6..1958b797a421 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c @@ -1504,11 +1504,9 @@ int otx2_cpt_discover_eng_capabilities(struct otx2_cptpf_dev *cptpf) if (ret) goto delete_grps; - lfs->pdev = pdev; - lfs->reg_base = cptpf->reg_base; - lfs->mbox = &cptpf->afpf_mbox; - lfs->blkaddr = BLKADDR_CPT0; - ret = otx2_cptlf_init(&cptpf->lfs, OTX2_CPT_ALL_ENG_GRPS_MASK, + otx2_cptlf_set_dev_info(lfs, cptpf->pdev, cptpf->reg_base, + &cptpf->afpf_mbox, BLKADDR_CPT0); + ret = otx2_cptlf_init(lfs, OTX2_CPT_ALL_ENG_GRPS_MASK, OTX2_CPT_QUEUE_HI_PRIO, 1); if (ret) goto delete_grps; @@ -1562,7 +1560,7 @@ int otx2_cpt_discover_eng_capabilities(struct otx2_cptpf_dev *cptpf) free_result: kfree(result); lf_cleanup: - otx2_cptlf_shutdown(&cptpf->lfs); + otx2_cptlf_shutdown(lfs); delete_grps: delete_engine_grps(pdev, &cptpf->eng_grps); diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptvf.h b/drivers/crypto/marvell/octeontx2/otx2_cptvf.h index 4207e2236903..994291e90da1 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptvf.h +++ b/drivers/crypto/marvell/octeontx2/otx2_cptvf.h @@ -19,6 +19,7 @@ struct otx2_cptvf_dev { struct otx2_mbox pfvf_mbox; struct work_struct pfvf_mbox_work; struct workqueue_struct *pfvf_mbox_wq; + int blkaddr; void *bbuf_base; unsigned long cap_flag; }; diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c index 6023a7adb70c..bac729c885f9 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptvf_main.c @@ -277,12 +277,11 @@ static int cptvf_lf_init(struct otx2_cptvf_dev *cptvf) if (ret) return ret; - lfs->reg_base = cptvf->reg_base; - lfs->pdev = cptvf->pdev; - lfs->mbox = &cptvf->pfvf_mbox; - lfs_num = cptvf->lfs.kvf_limits ? cptvf->lfs.kvf_limits : num_online_cpus(); + + otx2_cptlf_set_dev_info(lfs, cptvf->pdev, cptvf->reg_base, + &cptvf->pfvf_mbox, cptvf->blkaddr); ret = otx2_cptlf_init(lfs, eng_grp_msk, OTX2_CPT_QUEUE_HI_PRIO, lfs_num); if (ret) @@ -380,6 +379,7 @@ static int otx2_cptvf_probe(struct pci_dev *pdev, if (ret) goto destroy_pfvf_mbox; + cptvf->blkaddr = BLKADDR_CPT0; /* Initialize CPT LFs */ ret = cptvf_lf_init(cptvf); if (ret) diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 20d0dcd50344..4f6ca229ee5e 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/cpumask.h> #include <linux/slab.h> @@ -1795,11 +1796,9 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc, struct spu_mdesc_info *ip, const char *node_name) { - const unsigned int *reg; - u64 node; + u64 node, reg; - reg = of_get_property(dev->dev.of_node, "reg", NULL); - if (!reg) + if (of_property_read_reg(dev->dev.of_node, 0, ®, NULL) < 0) return -ENODEV; mdesc_for_each_node_by_name(mdesc, node, "virtual-device") { @@ -1810,7 +1809,7 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc, if (!name || strcmp(name, node_name)) continue; chdl = mdesc_get_property(mdesc, node, "cfg-handle", NULL); - if (!chdl || (*chdl != *reg)) + if (!chdl || (*chdl != reg)) continue; ip->cfg_handle = *chdl; return get_irq_props(mdesc, node, ip); diff --git a/drivers/crypto/nx/Makefile b/drivers/crypto/nx/Makefile index d00181a26dd6..483cef62acee 100644 --- a/drivers/crypto/nx/Makefile +++ b/drivers/crypto/nx/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o nx-crypto-objs := nx.o \ - nx_debugfs.o \ nx-aes-cbc.o \ nx-aes-ecb.o \ nx-aes-gcm.o \ @@ -11,6 +10,7 @@ nx-crypto-objs := nx.o \ nx-sha256.o \ nx-sha512.o +nx-crypto-$(CONFIG_DEBUG_FS) += nx_debugfs.o obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES) += nx-compress-pseries.o nx-compress.o obj-$(CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV) += nx-compress-powernv.o nx-compress.o nx-compress-objs := nx-842.o diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index c6233173c612..2697baebb6a3 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -170,8 +170,8 @@ struct nx_sg *nx_walk_and_build(struct nx_sg *, unsigned int, void nx_debugfs_init(struct nx_crypto_driver *); void nx_debugfs_fini(struct nx_crypto_driver *); #else -#define NX_DEBUGFS_INIT(drv) (0) -#define NX_DEBUGFS_FINI(drv) (0) +#define NX_DEBUGFS_INIT(drv) do {} while (0) +#define NX_DEBUGFS_FINI(drv) do {} while (0) #endif #define NX_PAGE_NUM(x) ((u64)(x) & 0xfffffffffffff000ULL) diff --git a/drivers/crypto/sa2ul.h b/drivers/crypto/sa2ul.h index 92bf97232a29..12c17a68d350 100644 --- a/drivers/crypto/sa2ul.h +++ b/drivers/crypto/sa2ul.h @@ -170,7 +170,7 @@ struct sa_tfm_ctx; * the following range, so avoid using it. */ #define SA_UNSAFE_DATA_SZ_MIN 240 -#define SA_UNSAFE_DATA_SZ_MAX 256 +#define SA_UNSAFE_DATA_SZ_MAX 255 struct sa_match_data; diff --git a/drivers/crypto/starfive/Kconfig b/drivers/crypto/starfive/Kconfig new file mode 100644 index 000000000000..df745fcb09df --- /dev/null +++ b/drivers/crypto/starfive/Kconfig @@ -0,0 +1,20 @@ +# +# StarFive crypto drivers configuration +# + +config CRYPTO_DEV_JH7110 + tristate "StarFive JH7110 cryptographic engine driver" + depends on SOC_STARFIVE || AMBA_PL08X || COMPILE_TEST + depends on HAS_DMA + select CRYPTO_ENGINE + select CRYPTO_HMAC + select CRYPTO_SHA256 + select CRYPTO_SHA512 + select CRYPTO_SM3_GENERIC + select CRYPTO_RSA + help + Support for StarFive JH7110 crypto hardware acceleration engine. + This module provides acceleration for public key algo, + skciphers, AEAD and hash functions. + + If you choose 'M' here, this module will be called jh7110-crypto. diff --git a/drivers/crypto/starfive/Makefile b/drivers/crypto/starfive/Makefile new file mode 100644 index 000000000000..98b01d2f1ccf --- /dev/null +++ b/drivers/crypto/starfive/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-$(CONFIG_CRYPTO_DEV_JH7110) += jh7110-crypto.o +jh7110-crypto-objs := jh7110-cryp.o jh7110-hash.o jh7110-rsa.o diff --git a/drivers/crypto/starfive/jh7110-cryp.c b/drivers/crypto/starfive/jh7110-cryp.c new file mode 100644 index 000000000000..cc43556b6c80 --- /dev/null +++ b/drivers/crypto/starfive/jh7110-cryp.c @@ -0,0 +1,258 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Cryptographic API. + * + * Support for StarFive hardware cryptographic engine. + * Copyright (c) 2022 StarFive Technology + * + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/iopoll.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> + +#include "jh7110-cryp.h" + +#define DRIVER_NAME "jh7110-crypto" + +struct starfive_dev_list { + struct list_head dev_list; + spinlock_t lock; /* protect dev_list */ +}; + +static struct starfive_dev_list dev_list = { + .dev_list = LIST_HEAD_INIT(dev_list.dev_list), + .lock = __SPIN_LOCK_UNLOCKED(dev_list.lock), +}; + +struct starfive_cryp_dev *starfive_cryp_find_dev(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_dev *cryp = NULL, *tmp; + + spin_lock_bh(&dev_list.lock); + if (!ctx->cryp) { + list_for_each_entry(tmp, &dev_list.dev_list, list) { + cryp = tmp; + break; + } + ctx->cryp = cryp; + } else { + cryp = ctx->cryp; + } + + spin_unlock_bh(&dev_list.lock); + + return cryp; +} + +static int starfive_dma_init(struct starfive_cryp_dev *cryp) +{ + dma_cap_mask_t mask; + + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + cryp->tx = dma_request_chan(cryp->dev, "tx"); + if (IS_ERR(cryp->tx)) + return dev_err_probe(cryp->dev, PTR_ERR(cryp->tx), + "Error requesting tx dma channel.\n"); + + cryp->rx = dma_request_chan(cryp->dev, "rx"); + if (IS_ERR(cryp->rx)) { + dma_release_channel(cryp->tx); + return dev_err_probe(cryp->dev, PTR_ERR(cryp->rx), + "Error requesting rx dma channel.\n"); + } + + return 0; +} + +static void starfive_dma_cleanup(struct starfive_cryp_dev *cryp) +{ + dma_release_channel(cryp->tx); + dma_release_channel(cryp->rx); +} + +static irqreturn_t starfive_cryp_irq(int irq, void *priv) +{ + u32 status; + struct starfive_cryp_dev *cryp = (struct starfive_cryp_dev *)priv; + + status = readl(cryp->base + STARFIVE_IE_FLAG_OFFSET); + if (status & STARFIVE_IE_FLAG_HASH_DONE) { + status = readl(cryp->base + STARFIVE_IE_MASK_OFFSET); + status |= STARFIVE_IE_MASK_HASH_DONE; + writel(status, cryp->base + STARFIVE_IE_MASK_OFFSET); + tasklet_schedule(&cryp->hash_done); + } + + if (status & STARFIVE_IE_FLAG_PKA_DONE) { + status = readl(cryp->base + STARFIVE_IE_MASK_OFFSET); + status |= STARFIVE_IE_MASK_PKA_DONE; + writel(status, cryp->base + STARFIVE_IE_MASK_OFFSET); + complete(&cryp->pka_done); + } + + return IRQ_HANDLED; +} + +static int starfive_cryp_probe(struct platform_device *pdev) +{ + struct starfive_cryp_dev *cryp; + struct resource *res; + int irq; + int ret; + + cryp = devm_kzalloc(&pdev->dev, sizeof(*cryp), GFP_KERNEL); + if (!cryp) + return -ENOMEM; + + platform_set_drvdata(pdev, cryp); + cryp->dev = &pdev->dev; + + cryp->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(cryp->base)) + return dev_err_probe(&pdev->dev, PTR_ERR(cryp->base), + "Error remapping memory for platform device\n"); + + tasklet_init(&cryp->hash_done, starfive_hash_done_task, (unsigned long)cryp); + + cryp->phys_base = res->start; + cryp->dma_maxburst = 32; + + cryp->hclk = devm_clk_get(&pdev->dev, "hclk"); + if (IS_ERR(cryp->hclk)) + return dev_err_probe(&pdev->dev, PTR_ERR(cryp->hclk), + "Error getting hardware reference clock\n"); + + cryp->ahb = devm_clk_get(&pdev->dev, "ahb"); + if (IS_ERR(cryp->ahb)) + return dev_err_probe(&pdev->dev, PTR_ERR(cryp->ahb), + "Error getting ahb reference clock\n"); + + cryp->rst = devm_reset_control_get_shared(cryp->dev, NULL); + if (IS_ERR(cryp->rst)) + return dev_err_probe(&pdev->dev, PTR_ERR(cryp->rst), + "Error getting hardware reset line\n"); + + init_completion(&cryp->pka_done); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + ret = devm_request_irq(&pdev->dev, irq, starfive_cryp_irq, 0, pdev->name, + (void *)cryp); + if (ret) + return dev_err_probe(&pdev->dev, irq, + "Failed to register interrupt handler\n"); + + clk_prepare_enable(cryp->hclk); + clk_prepare_enable(cryp->ahb); + reset_control_deassert(cryp->rst); + + spin_lock(&dev_list.lock); + list_add(&cryp->list, &dev_list.dev_list); + spin_unlock(&dev_list.lock); + + ret = starfive_dma_init(cryp); + if (ret) { + if (ret == -EPROBE_DEFER) + goto err_probe_defer; + else + goto err_dma_init; + } + + /* Initialize crypto engine */ + cryp->engine = crypto_engine_alloc_init(&pdev->dev, 1); + if (!cryp->engine) { + ret = -ENOMEM; + goto err_engine; + } + + ret = crypto_engine_start(cryp->engine); + if (ret) + goto err_engine_start; + + ret = starfive_hash_register_algs(); + if (ret) + goto err_algs_hash; + + ret = starfive_rsa_register_algs(); + if (ret) + goto err_algs_rsa; + + return 0; + +err_algs_rsa: + starfive_hash_unregister_algs(); +err_algs_hash: + crypto_engine_stop(cryp->engine); +err_engine_start: + crypto_engine_exit(cryp->engine); +err_engine: + starfive_dma_cleanup(cryp); +err_dma_init: + spin_lock(&dev_list.lock); + list_del(&cryp->list); + spin_unlock(&dev_list.lock); + + clk_disable_unprepare(cryp->hclk); + clk_disable_unprepare(cryp->ahb); + reset_control_assert(cryp->rst); + + tasklet_kill(&cryp->hash_done); +err_probe_defer: + return ret; +} + +static int starfive_cryp_remove(struct platform_device *pdev) +{ + struct starfive_cryp_dev *cryp = platform_get_drvdata(pdev); + + starfive_hash_unregister_algs(); + starfive_rsa_unregister_algs(); + + tasklet_kill(&cryp->hash_done); + + crypto_engine_stop(cryp->engine); + crypto_engine_exit(cryp->engine); + + starfive_dma_cleanup(cryp); + + spin_lock(&dev_list.lock); + list_del(&cryp->list); + spin_unlock(&dev_list.lock); + + clk_disable_unprepare(cryp->hclk); + clk_disable_unprepare(cryp->ahb); + reset_control_assert(cryp->rst); + + return 0; +} + +static const struct of_device_id starfive_dt_ids[] __maybe_unused = { + { .compatible = "starfive,jh7110-crypto", .data = NULL}, + {}, +}; +MODULE_DEVICE_TABLE(of, starfive_dt_ids); + +static struct platform_driver starfive_cryp_driver = { + .probe = starfive_cryp_probe, + .remove = starfive_cryp_remove, + .driver = { + .name = DRIVER_NAME, + .of_match_table = starfive_dt_ids, + }, +}; + +module_platform_driver(starfive_cryp_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("StarFive JH7110 Cryptographic Module"); diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h new file mode 100644 index 000000000000..0cdcffc0d7d4 --- /dev/null +++ b/drivers/crypto/starfive/jh7110-cryp.h @@ -0,0 +1,172 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __STARFIVE_STR_H__ +#define __STARFIVE_STR_H__ + +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> + +#include <crypto/engine.h> +#include <crypto/sha2.h> +#include <crypto/sm3.h> + +#define STARFIVE_ALG_CR_OFFSET 0x0 +#define STARFIVE_ALG_FIFO_OFFSET 0x4 +#define STARFIVE_IE_MASK_OFFSET 0x8 +#define STARFIVE_IE_FLAG_OFFSET 0xc +#define STARFIVE_DMA_IN_LEN_OFFSET 0x10 +#define STARFIVE_DMA_OUT_LEN_OFFSET 0x14 + +#define STARFIVE_IE_MASK_HASH_DONE 0x4 +#define STARFIVE_IE_MASK_PKA_DONE 0x8 +#define STARFIVE_IE_FLAG_HASH_DONE 0x4 +#define STARFIVE_IE_FLAG_PKA_DONE 0x8 + +#define STARFIVE_MSG_BUFFER_SIZE SZ_16K +#define MAX_KEY_SIZE SHA512_BLOCK_SIZE + +union starfive_hash_csr { + u32 v; + struct { + u32 start :1; + u32 reset :1; + u32 ie :1; + u32 firstb :1; +#define STARFIVE_HASH_SM3 0x0 +#define STARFIVE_HASH_SHA224 0x3 +#define STARFIVE_HASH_SHA256 0x4 +#define STARFIVE_HASH_SHA384 0x5 +#define STARFIVE_HASH_SHA512 0x6 +#define STARFIVE_HASH_MODE_MASK 0x7 + u32 mode :3; + u32 rsvd_1 :1; + u32 final :1; + u32 rsvd_2 :2; +#define STARFIVE_HASH_HMAC_FLAGS 0x800 + u32 hmac :1; + u32 rsvd_3 :1; +#define STARFIVE_HASH_KEY_DONE BIT(13) + u32 key_done :1; + u32 key_flag :1; + u32 hmac_done :1; +#define STARFIVE_HASH_BUSY BIT(16) + u32 busy :1; + u32 hashdone :1; + u32 rsvd_4 :14; + }; +}; + +union starfive_pka_cacr { + u32 v; + struct { + u32 start :1; + u32 reset :1; + u32 ie :1; + u32 rsvd_0 :1; + u32 fifo_mode :1; + u32 not_r2 :1; + u32 ecc_sub :1; + u32 pre_expf :1; + u32 cmd :4; + u32 rsvd_1 :1; + u32 ctrl_dummy :1; + u32 ctrl_false :1; + u32 cln_done :1; + u32 opsize :6; + u32 rsvd_2 :2; + u32 exposize :6; + u32 rsvd_3 :1; + u32 bigendian :1; + }; +}; + +struct starfive_rsa_key { + u8 *n; + u8 *e; + u8 *d; + int e_bitlen; + int d_bitlen; + int bitlen; + size_t key_sz; +}; + +union starfive_alg_cr { + u32 v; + struct { + u32 start :1; + u32 aes_dma_en :1; + u32 rsvd_0 :1; + u32 hash_dma_en :1; + u32 alg_done :1; + u32 rsvd_1 :3; + u32 clear :1; + u32 rsvd_2 :23; + }; +}; + +struct starfive_cryp_ctx { + struct crypto_engine_ctx enginectx; + struct starfive_cryp_dev *cryp; + struct starfive_cryp_request_ctx *rctx; + + unsigned int hash_mode; + u8 key[MAX_KEY_SIZE]; + int keylen; + bool is_hmac; + struct starfive_rsa_key rsa_key; + struct crypto_akcipher *akcipher_fbk; + struct crypto_ahash *ahash_fbk; +}; + +struct starfive_cryp_dev { + struct list_head list; + struct device *dev; + struct clk *hclk; + struct clk *ahb; + struct reset_control *rst; + + void __iomem *base; + phys_addr_t phys_base; + + u32 dma_maxburst; + struct dma_chan *tx; + struct dma_chan *rx; + struct dma_slave_config cfg_in; + struct dma_slave_config cfg_out; + struct crypto_engine *engine; + struct tasklet_struct hash_done; + struct completion pka_done; + int err; + union starfive_alg_cr alg_cr; + union { + struct ahash_request *hreq; + } req; +}; + +struct starfive_cryp_request_ctx { + union { + union starfive_hash_csr hash; + union starfive_pka_cacr pka; + } csr; + + struct scatterlist *in_sg; + struct scatterlist *out_sg; + struct ahash_request ahash_fbk_req; + size_t total; + size_t nents; + unsigned int blksize; + unsigned int digsize; + unsigned long in_sg_len; + u8 rsa_data[] __aligned(sizeof(u32)); +}; + +struct starfive_cryp_dev *starfive_cryp_find_dev(struct starfive_cryp_ctx *ctx); + +int starfive_hash_register_algs(void); +void starfive_hash_unregister_algs(void); + +int starfive_rsa_register_algs(void); +void starfive_rsa_unregister_algs(void); + +void starfive_hash_done_task(unsigned long param); +#endif diff --git a/drivers/crypto/starfive/jh7110-hash.c b/drivers/crypto/starfive/jh7110-hash.c new file mode 100644 index 000000000000..5064150b8a1c --- /dev/null +++ b/drivers/crypto/starfive/jh7110-hash.c @@ -0,0 +1,899 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Hash function and HMAC support for StarFive driver + * + * Copyright (c) 2022 StarFive Technology + * + */ + +#include <linux/clk.h> +#include <linux/crypto.h> +#include <linux/dma-direct.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> +#include <linux/amba/pl080.h> + +#include <crypto/hash.h> +#include <crypto/scatterwalk.h> +#include <crypto/internal/hash.h> + +#include "jh7110-cryp.h" + +#define STARFIVE_HASH_REGS_OFFSET 0x300 +#define STARFIVE_HASH_SHACSR (STARFIVE_HASH_REGS_OFFSET + 0x0) +#define STARFIVE_HASH_SHAWDR (STARFIVE_HASH_REGS_OFFSET + 0x4) +#define STARFIVE_HASH_SHARDR (STARFIVE_HASH_REGS_OFFSET + 0x8) +#define STARFIVE_HASH_SHAWSR (STARFIVE_HASH_REGS_OFFSET + 0xC) +#define STARFIVE_HASH_SHAWLEN3 (STARFIVE_HASH_REGS_OFFSET + 0x10) +#define STARFIVE_HASH_SHAWLEN2 (STARFIVE_HASH_REGS_OFFSET + 0x14) +#define STARFIVE_HASH_SHAWLEN1 (STARFIVE_HASH_REGS_OFFSET + 0x18) +#define STARFIVE_HASH_SHAWLEN0 (STARFIVE_HASH_REGS_OFFSET + 0x1C) +#define STARFIVE_HASH_SHAWKR (STARFIVE_HASH_REGS_OFFSET + 0x20) +#define STARFIVE_HASH_SHAWKLEN (STARFIVE_HASH_REGS_OFFSET + 0x24) + +#define STARFIVE_HASH_BUFLEN SHA512_BLOCK_SIZE +#define STARFIVE_HASH_RESET 0x2 + +static inline int starfive_hash_wait_busy(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + u32 status; + + return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, + !(status & STARFIVE_HASH_BUSY), 10, 100000); +} + +static inline int starfive_hash_wait_key_done(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + u32 status; + + return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, + (status & STARFIVE_HASH_KEY_DONE), 10, 100000); +} + +static int starfive_hash_hmac_key(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_cryp_dev *cryp = ctx->cryp; + int klen = ctx->keylen, loop; + unsigned int *key = (unsigned int *)ctx->key; + unsigned char *cl; + + writel(ctx->keylen, cryp->base + STARFIVE_HASH_SHAWKLEN); + + rctx->csr.hash.hmac = 1; + rctx->csr.hash.key_flag = 1; + + writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); + + for (loop = 0; loop < klen / sizeof(unsigned int); loop++, key++) + writel(*key, cryp->base + STARFIVE_HASH_SHAWKR); + + if (klen & 0x3) { + cl = (unsigned char *)key; + for (loop = 0; loop < (klen & 0x3); loop++, cl++) + writeb(*cl, cryp->base + STARFIVE_HASH_SHAWKR); + } + + if (starfive_hash_wait_key_done(ctx)) + return dev_err_probe(cryp->dev, -ETIMEDOUT, "starfive_hash_wait_key_done error\n"); + + return 0; +} + +static void starfive_hash_start(void *param) +{ + struct starfive_cryp_ctx *ctx = param; + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_cryp_dev *cryp = ctx->cryp; + union starfive_alg_cr alg_cr; + union starfive_hash_csr csr; + u32 stat; + + dma_unmap_sg(cryp->dev, rctx->in_sg, rctx->in_sg_len, DMA_TO_DEVICE); + + alg_cr.v = 0; + alg_cr.clear = 1; + + writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET); + + csr.v = readl(cryp->base + STARFIVE_HASH_SHACSR); + csr.firstb = 0; + csr.final = 1; + + stat = readl(cryp->base + STARFIVE_IE_MASK_OFFSET); + stat &= ~STARFIVE_IE_MASK_HASH_DONE; + writel(stat, cryp->base + STARFIVE_IE_MASK_OFFSET); + writel(csr.v, cryp->base + STARFIVE_HASH_SHACSR); +} + +static int starfive_hash_xmit_dma(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_cryp_dev *cryp = ctx->cryp; + struct dma_async_tx_descriptor *in_desc; + union starfive_alg_cr alg_cr; + int total_len; + int ret; + + if (!rctx->total) { + starfive_hash_start(ctx); + return 0; + } + + writel(rctx->total, cryp->base + STARFIVE_DMA_IN_LEN_OFFSET); + + total_len = rctx->total; + total_len = (total_len & 0x3) ? (((total_len >> 2) + 1) << 2) : total_len; + sg_dma_len(rctx->in_sg) = total_len; + + alg_cr.v = 0; + alg_cr.start = 1; + alg_cr.hash_dma_en = 1; + + writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET); + + ret = dma_map_sg(cryp->dev, rctx->in_sg, rctx->in_sg_len, DMA_TO_DEVICE); + if (!ret) + return dev_err_probe(cryp->dev, -EINVAL, "dma_map_sg() error\n"); + + cryp->cfg_in.direction = DMA_MEM_TO_DEV; + cryp->cfg_in.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cryp->cfg_in.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + cryp->cfg_in.src_maxburst = cryp->dma_maxburst; + cryp->cfg_in.dst_maxburst = cryp->dma_maxburst; + cryp->cfg_in.dst_addr = cryp->phys_base + STARFIVE_ALG_FIFO_OFFSET; + + dmaengine_slave_config(cryp->tx, &cryp->cfg_in); + + in_desc = dmaengine_prep_slave_sg(cryp->tx, rctx->in_sg, + ret, DMA_MEM_TO_DEV, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + + if (!in_desc) + return -EINVAL; + + in_desc->callback = starfive_hash_start; + in_desc->callback_param = ctx; + + dmaengine_submit(in_desc); + dma_async_issue_pending(cryp->tx); + + return 0; +} + +static int starfive_hash_xmit(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_cryp_dev *cryp = ctx->cryp; + int ret = 0; + + rctx->csr.hash.v = 0; + rctx->csr.hash.reset = 1; + writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); + + if (starfive_hash_wait_busy(ctx)) + return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error resetting engine.\n"); + + rctx->csr.hash.v = 0; + rctx->csr.hash.mode = ctx->hash_mode; + rctx->csr.hash.ie = 1; + + if (ctx->is_hmac) { + ret = starfive_hash_hmac_key(ctx); + if (ret) + return ret; + } else { + rctx->csr.hash.start = 1; + rctx->csr.hash.firstb = 1; + writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); + } + + return starfive_hash_xmit_dma(ctx); +} + +static int starfive_hash_copy_hash(struct ahash_request *req) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); + int count, *data; + int mlen; + + if (!req->result) + return 0; + + mlen = rctx->digsize / sizeof(u32); + data = (u32 *)req->result; + + for (count = 0; count < mlen; count++) + data[count] = readl(ctx->cryp->base + STARFIVE_HASH_SHARDR); + + return 0; +} + +void starfive_hash_done_task(unsigned long param) +{ + struct starfive_cryp_dev *cryp = (struct starfive_cryp_dev *)param; + int err = cryp->err; + + if (!err) + err = starfive_hash_copy_hash(cryp->req.hreq); + + /* Reset to clear hash_done in irq register*/ + writel(STARFIVE_HASH_RESET, cryp->base + STARFIVE_HASH_SHACSR); + + crypto_finalize_hash_request(cryp->engine, cryp->req.hreq, err); +} + +static int starfive_hash_check_aligned(struct scatterlist *sg, size_t total, size_t align) +{ + int len = 0; + + if (!total) + return 0; + + if (!IS_ALIGNED(total, align)) + return -EINVAL; + + while (sg) { + if (!IS_ALIGNED(sg->offset, sizeof(u32))) + return -EINVAL; + + if (!IS_ALIGNED(sg->length, align)) + return -EINVAL; + + len += sg->length; + sg = sg_next(sg); + } + + if (len != total) + return -EINVAL; + + return 0; +} + +static int starfive_hash_one_request(struct crypto_engine *engine, void *areq) +{ + struct ahash_request *req = container_of(areq, struct ahash_request, + base); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); + struct starfive_cryp_dev *cryp = ctx->cryp; + + if (!cryp) + return -ENODEV; + + return starfive_hash_xmit(ctx); +} + +static int starfive_hash_init(struct ahash_request *req) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, + req->result, req->nbytes); + + return crypto_ahash_init(&rctx->ahash_fbk_req); +} + +static int starfive_hash_update(struct ahash_request *req) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, + req->result, req->nbytes); + + return crypto_ahash_update(&rctx->ahash_fbk_req); +} + +static int starfive_hash_final(struct ahash_request *req) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, + req->result, req->nbytes); + + return crypto_ahash_final(&rctx->ahash_fbk_req); +} + +static int starfive_hash_finup(struct ahash_request *req) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, + req->result, req->nbytes); + + return crypto_ahash_finup(&rctx->ahash_fbk_req); +} + +static int starfive_hash_digest_fb(struct ahash_request *req) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, req->base.flags, + req->base.complete, req->base.data); + + ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, + req->result, req->nbytes); + + return crypto_ahash_digest(&rctx->ahash_fbk_req); +} + +static int starfive_hash_digest(struct ahash_request *req) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct starfive_cryp_dev *cryp = ctx->cryp; + + memset(rctx, 0, sizeof(struct starfive_cryp_request_ctx)); + + cryp->req.hreq = req; + rctx->total = req->nbytes; + rctx->in_sg = req->src; + rctx->blksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); + rctx->digsize = crypto_ahash_digestsize(tfm); + rctx->in_sg_len = sg_nents_for_len(rctx->in_sg, rctx->total); + ctx->rctx = rctx; + + if (starfive_hash_check_aligned(rctx->in_sg, rctx->total, rctx->blksize)) + return starfive_hash_digest_fb(req); + + return crypto_transfer_hash_request_to_engine(cryp->engine, req); +} + +static int starfive_hash_export(struct ahash_request *req, void *out) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + return crypto_ahash_export(&rctx->ahash_fbk_req, out); +} + +static int starfive_hash_import(struct ahash_request *req, const void *in) +{ + struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); + ahash_request_set_callback(&rctx->ahash_fbk_req, + req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, + req->base.complete, req->base.data); + + return crypto_ahash_import(&rctx->ahash_fbk_req, in); +} + +static int starfive_hash_init_tfm(struct crypto_ahash *hash, + const char *alg_name, + unsigned int mode) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->cryp = starfive_cryp_find_dev(ctx); + + if (!ctx->cryp) + return -ENODEV; + + ctx->ahash_fbk = crypto_alloc_ahash(alg_name, 0, + CRYPTO_ALG_NEED_FALLBACK); + + if (IS_ERR(ctx->ahash_fbk)) + return dev_err_probe(ctx->cryp->dev, PTR_ERR(ctx->ahash_fbk), + "starfive_hash: Could not load fallback driver.\n"); + + crypto_ahash_set_statesize(hash, crypto_ahash_statesize(ctx->ahash_fbk)); + crypto_ahash_set_reqsize(hash, sizeof(struct starfive_cryp_request_ctx) + + crypto_ahash_reqsize(ctx->ahash_fbk)); + + ctx->keylen = 0; + ctx->hash_mode = mode; + + ctx->enginectx.op.do_one_request = starfive_hash_one_request; + ctx->enginectx.op.prepare_request = NULL; + ctx->enginectx.op.unprepare_request = NULL; + + return 0; +} + +static void starfive_hash_exit_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + crypto_free_ahash(ctx->ahash_fbk); + + ctx->ahash_fbk = NULL; + ctx->enginectx.op.do_one_request = NULL; + ctx->enginectx.op.prepare_request = NULL; + ctx->enginectx.op.unprepare_request = NULL; +} + +static int starfive_hash_long_setkey(struct starfive_cryp_ctx *ctx, + const u8 *key, unsigned int keylen, + const char *alg_name) +{ + struct crypto_wait wait; + struct ahash_request *req; + struct scatterlist sg; + struct crypto_ahash *ahash_tfm; + u8 *buf; + int ret; + + ahash_tfm = crypto_alloc_ahash(alg_name, 0, 0); + if (IS_ERR(ahash_tfm)) + return PTR_ERR(ahash_tfm); + + req = ahash_request_alloc(ahash_tfm, GFP_KERNEL); + if (!req) { + ret = -ENOMEM; + goto err_free_ahash; + } + + crypto_init_wait(&wait); + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + crypto_req_done, &wait); + crypto_ahash_clear_flags(ahash_tfm, ~0); + + buf = kzalloc(keylen + STARFIVE_HASH_BUFLEN, GFP_KERNEL); + if (!buf) { + ret = -ENOMEM; + goto err_free_req; + } + + memcpy(buf, key, keylen); + sg_init_one(&sg, buf, keylen); + ahash_request_set_crypt(req, &sg, ctx->key, keylen); + + ret = crypto_wait_req(crypto_ahash_digest(req), &wait); + + kfree(buf); +err_free_req: + ahash_request_free(req); +err_free_ahash: + crypto_free_ahash(ahash_tfm); + return ret; +} + +static int starfive_hash_setkey(struct crypto_ahash *hash, + const u8 *key, unsigned int keylen) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + unsigned int digestsize = crypto_ahash_digestsize(hash); + unsigned int blocksize = crypto_ahash_blocksize(hash); + const char *alg_name; + + crypto_ahash_setkey(ctx->ahash_fbk, key, keylen); + + if (keylen <= blocksize) { + memcpy(ctx->key, key, keylen); + ctx->keylen = keylen; + return 0; + } + + ctx->keylen = digestsize; + + switch (digestsize) { + case SHA224_DIGEST_SIZE: + alg_name = "sha224-starfive"; + break; + case SHA256_DIGEST_SIZE: + if (ctx->hash_mode == STARFIVE_HASH_SM3) + alg_name = "sm3-starfive"; + else + alg_name = "sha256-starfive"; + break; + case SHA384_DIGEST_SIZE: + alg_name = "sha384-starfive"; + break; + case SHA512_DIGEST_SIZE: + alg_name = "sha512-starfive"; + break; + default: + return -EINVAL; + } + + return starfive_hash_long_setkey(ctx, key, keylen, alg_name); +} + +static int starfive_sha224_init_tfm(struct crypto_ahash *hash) +{ + return starfive_hash_init_tfm(hash, "sha224-generic", + STARFIVE_HASH_SHA224); +} + +static int starfive_sha256_init_tfm(struct crypto_ahash *hash) +{ + return starfive_hash_init_tfm(hash, "sha256-generic", + STARFIVE_HASH_SHA256); +} + +static int starfive_sha384_init_tfm(struct crypto_ahash *hash) +{ + return starfive_hash_init_tfm(hash, "sha384-generic", + STARFIVE_HASH_SHA384); +} + +static int starfive_sha512_init_tfm(struct crypto_ahash *hash) +{ + return starfive_hash_init_tfm(hash, "sha512-generic", + STARFIVE_HASH_SHA512); +} + +static int starfive_sm3_init_tfm(struct crypto_ahash *hash) +{ + return starfive_hash_init_tfm(hash, "sm3-generic", + STARFIVE_HASH_SM3); +} + +static int starfive_hmac_sha224_init_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->is_hmac = true; + + return starfive_hash_init_tfm(hash, "hmac(sha224-generic)", + STARFIVE_HASH_SHA224); +} + +static int starfive_hmac_sha256_init_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->is_hmac = true; + + return starfive_hash_init_tfm(hash, "hmac(sha256-generic)", + STARFIVE_HASH_SHA256); +} + +static int starfive_hmac_sha384_init_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->is_hmac = true; + + return starfive_hash_init_tfm(hash, "hmac(sha384-generic)", + STARFIVE_HASH_SHA384); +} + +static int starfive_hmac_sha512_init_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->is_hmac = true; + + return starfive_hash_init_tfm(hash, "hmac(sha512-generic)", + STARFIVE_HASH_SHA512); +} + +static int starfive_hmac_sm3_init_tfm(struct crypto_ahash *hash) +{ + struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); + + ctx->is_hmac = true; + + return starfive_hash_init_tfm(hash, "hmac(sm3-generic)", + STARFIVE_HASH_SM3); +} + +static struct ahash_alg algs_sha2_sm3[] = { +{ + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_sha224_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct sha256_state), + .base = { + .cra_name = "sha224", + .cra_driver_name = "sha224-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA224_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_hmac_sha224_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .setkey = starfive_hash_setkey, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct sha256_state), + .base = { + .cra_name = "hmac(sha224)", + .cra_driver_name = "sha224-hmac-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA224_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_sha256_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct sha256_state), + .base = { + .cra_name = "sha256", + .cra_driver_name = "sha256-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA256_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_hmac_sha256_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .setkey = starfive_hash_setkey, + .halg = { + .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct sha256_state), + .base = { + .cra_name = "hmac(sha256)", + .cra_driver_name = "sha256-hmac-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA256_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_sha384_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .halg = { + .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct sha512_state), + .base = { + .cra_name = "sha384", + .cra_driver_name = "sha384-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA384_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_hmac_sha384_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .setkey = starfive_hash_setkey, + .halg = { + .digestsize = SHA384_DIGEST_SIZE, + .statesize = sizeof(struct sha512_state), + .base = { + .cra_name = "hmac(sha384)", + .cra_driver_name = "sha384-hmac-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA384_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_sha512_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .halg = { + .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct sha512_state), + .base = { + .cra_name = "sha512", + .cra_driver_name = "sha512-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA512_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_hmac_sha512_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .setkey = starfive_hash_setkey, + .halg = { + .digestsize = SHA512_DIGEST_SIZE, + .statesize = sizeof(struct sha512_state), + .base = { + .cra_name = "hmac(sha512)", + .cra_driver_name = "sha512-hmac-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SHA512_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_sm3_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .halg = { + .digestsize = SM3_DIGEST_SIZE, + .statesize = sizeof(struct sm3_state), + .base = { + .cra_name = "sm3", + .cra_driver_name = "sm3-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SM3_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, { + .init = starfive_hash_init, + .update = starfive_hash_update, + .final = starfive_hash_final, + .finup = starfive_hash_finup, + .digest = starfive_hash_digest, + .export = starfive_hash_export, + .import = starfive_hash_import, + .init_tfm = starfive_hmac_sm3_init_tfm, + .exit_tfm = starfive_hash_exit_tfm, + .setkey = starfive_hash_setkey, + .halg = { + .digestsize = SM3_DIGEST_SIZE, + .statesize = sizeof(struct sm3_state), + .base = { + .cra_name = "hmac(sm3)", + .cra_driver_name = "sm3-hmac-starfive", + .cra_priority = 200, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_TYPE_AHASH | + CRYPTO_ALG_NEED_FALLBACK, + .cra_blocksize = SM3_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + .cra_alignmask = 3, + .cra_module = THIS_MODULE, + } + } +}, +}; + +int starfive_hash_register_algs(void) +{ + return crypto_register_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3)); +} + +void starfive_hash_unregister_algs(void) +{ + crypto_unregister_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3)); +} diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c new file mode 100644 index 000000000000..f31bbd825f88 --- /dev/null +++ b/drivers/crypto/starfive/jh7110-rsa.c @@ -0,0 +1,617 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive Public Key Algo acceleration driver + * + * Copyright (c) 2022 StarFive Technology + */ + +#include <linux/crypto.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-direct.h> +#include <linux/interrupt.h> +#include <linux/iopoll.h> +#include <linux/io.h> +#include <linux/mod_devicetable.h> +#include <crypto/akcipher.h> +#include <crypto/algapi.h> +#include <crypto/internal/akcipher.h> +#include <crypto/internal/rsa.h> +#include <crypto/scatterwalk.h> + +#include "jh7110-cryp.h" + +#define STARFIVE_PKA_REGS_OFFSET 0x400 +#define STARFIVE_PKA_CACR_OFFSET (STARFIVE_PKA_REGS_OFFSET + 0x0) +#define STARFIVE_PKA_CASR_OFFSET (STARFIVE_PKA_REGS_OFFSET + 0x4) +#define STARFIVE_PKA_CAAR_OFFSET (STARFIVE_PKA_REGS_OFFSET + 0x8) +#define STARFIVE_PKA_CAER_OFFSET (STARFIVE_PKA_REGS_OFFSET + 0x108) +#define STARFIVE_PKA_CANR_OFFSET (STARFIVE_PKA_REGS_OFFSET + 0x208) + +// R^2 mod N and N0' +#define CRYPTO_CMD_PRE 0x0 +// A * R mod N ==> A +#define CRYPTO_CMD_ARN 0x5 +// A * E * R mod N ==> A +#define CRYPTO_CMD_AERN 0x6 +// A * A * R mod N ==> A +#define CRYPTO_CMD_AARN 0x7 + +#define STARFIVE_RSA_MAX_KEYSZ 256 +#define STARFIVE_RSA_RESET 0x2 + +static inline int starfive_pka_wait_done(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + + return wait_for_completion_timeout(&cryp->pka_done, + usecs_to_jiffies(100000)); +} + +static inline void starfive_pka_irq_mask_clear(struct starfive_cryp_ctx *ctx) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + u32 stat; + + stat = readl(cryp->base + STARFIVE_IE_MASK_OFFSET); + stat &= ~STARFIVE_IE_MASK_PKA_DONE; + writel(stat, cryp->base + STARFIVE_IE_MASK_OFFSET); + + reinit_completion(&cryp->pka_done); +} + +static void starfive_rsa_free_key(struct starfive_rsa_key *key) +{ + if (key->d) + kfree_sensitive(key->d); + if (key->e) + kfree_sensitive(key->e); + if (key->n) + kfree_sensitive(key->n); + memset(key, 0, sizeof(*key)); +} + +static unsigned int starfive_rsa_get_nbit(u8 *pa, u32 snum, int key_sz) +{ + u32 i; + u8 value; + + i = snum >> 3; + + value = pa[key_sz - i - 1]; + value >>= snum & 0x7; + value &= 0x1; + + return value; +} + +static int starfive_rsa_montgomery_form(struct starfive_cryp_ctx *ctx, + u32 *out, u32 *in, u8 mont, + u32 *mod, int bit_len) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + int count = rctx->total / sizeof(u32) - 1; + int loop; + u32 temp; + u8 opsize; + + opsize = (bit_len - 1) >> 5; + rctx->csr.pka.v = 0; + + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + for (loop = 0; loop <= opsize; loop++) + writel(mod[opsize - loop], cryp->base + STARFIVE_PKA_CANR_OFFSET + loop * 4); + + if (mont) { + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_PRE; + rctx->csr.pka.start = 1; + rctx->csr.pka.not_r2 = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + if (!starfive_pka_wait_done(ctx)) + return -ETIMEDOUT; + + for (loop = 0; loop <= opsize; loop++) + writel(in[opsize - loop], cryp->base + STARFIVE_PKA_CAAR_OFFSET + loop * 4); + + writel(0x1000000, cryp->base + STARFIVE_PKA_CAER_OFFSET); + + for (loop = 1; loop <= opsize; loop++) + writel(0, cryp->base + STARFIVE_PKA_CAER_OFFSET + loop * 4); + + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_AERN; + rctx->csr.pka.start = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + if (!starfive_pka_wait_done(ctx)) + return -ETIMEDOUT; + } else { + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_PRE; + rctx->csr.pka.start = 1; + rctx->csr.pka.pre_expf = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + if (!starfive_pka_wait_done(ctx)) + return -ETIMEDOUT; + + for (loop = 0; loop <= count; loop++) + writel(in[count - loop], cryp->base + STARFIVE_PKA_CAER_OFFSET + loop * 4); + + /*pad with 0 up to opsize*/ + for (loop = count + 1; loop <= opsize; loop++) + writel(0, cryp->base + STARFIVE_PKA_CAER_OFFSET + loop * 4); + + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_ARN; + rctx->csr.pka.start = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + if (!starfive_pka_wait_done(ctx)) + return -ETIMEDOUT; + } + + for (loop = 0; loop <= opsize; loop++) { + temp = readl(cryp->base + STARFIVE_PKA_CAAR_OFFSET + 0x4 * loop); + out[opsize - loop] = temp; + } + + return 0; +} + +static int starfive_rsa_cpu_start(struct starfive_cryp_ctx *ctx, u32 *result, + u8 *de, u32 *n, int key_sz) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_rsa_key *key = &ctx->rsa_key; + u32 temp; + int ret = 0; + int opsize, mlen, loop; + unsigned int *mta; + + opsize = (key_sz - 1) >> 2; + + mta = kmalloc(key_sz, GFP_KERNEL); + if (!mta) + return -ENOMEM; + + ret = starfive_rsa_montgomery_form(ctx, mta, (u32 *)rctx->rsa_data, + 0, n, key_sz << 3); + if (ret) { + dev_err_probe(cryp->dev, ret, "Conversion to Montgomery failed"); + goto rsa_err; + } + + for (loop = 0; loop <= opsize; loop++) + writel(mta[opsize - loop], + cryp->base + STARFIVE_PKA_CAER_OFFSET + loop * 4); + + for (loop = key->bitlen - 1; loop > 0; loop--) { + mlen = starfive_rsa_get_nbit(de, loop - 1, key_sz); + + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_AARN; + rctx->csr.pka.start = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + ret = -ETIMEDOUT; + if (!starfive_pka_wait_done(ctx)) + goto rsa_err; + + if (mlen) { + rctx->csr.pka.v = 0; + rctx->csr.pka.cln_done = 1; + rctx->csr.pka.opsize = opsize; + rctx->csr.pka.exposize = opsize; + rctx->csr.pka.cmd = CRYPTO_CMD_AERN; + rctx->csr.pka.start = 1; + rctx->csr.pka.ie = 1; + + starfive_pka_irq_mask_clear(ctx); + writel(rctx->csr.pka.v, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + if (!starfive_pka_wait_done(ctx)) + goto rsa_err; + } + } + + for (loop = 0; loop <= opsize; loop++) { + temp = readl(cryp->base + STARFIVE_PKA_CAAR_OFFSET + 0x4 * loop); + result[opsize - loop] = temp; + } + + ret = starfive_rsa_montgomery_form(ctx, result, result, 1, n, key_sz << 3); + if (ret) + dev_err_probe(cryp->dev, ret, "Conversion from Montgomery failed"); +rsa_err: + kfree(mta); + return ret; +} + +static int starfive_rsa_start(struct starfive_cryp_ctx *ctx, u8 *result, + u8 *de, u8 *n, int key_sz) +{ + return starfive_rsa_cpu_start(ctx, (u32 *)result, de, (u32 *)n, key_sz); +} + +static int starfive_rsa_enc_core(struct starfive_cryp_ctx *ctx, int enc) +{ + struct starfive_cryp_dev *cryp = ctx->cryp; + struct starfive_cryp_request_ctx *rctx = ctx->rctx; + struct starfive_rsa_key *key = &ctx->rsa_key; + int ret = 0; + + writel(STARFIVE_RSA_RESET, cryp->base + STARFIVE_PKA_CACR_OFFSET); + + rctx->total = sg_copy_to_buffer(rctx->in_sg, rctx->nents, + rctx->rsa_data, rctx->total); + + if (enc) { + key->bitlen = key->e_bitlen; + ret = starfive_rsa_start(ctx, rctx->rsa_data, key->e, + key->n, key->key_sz); + } else { + key->bitlen = key->d_bitlen; + ret = starfive_rsa_start(ctx, rctx->rsa_data, key->d, + key->n, key->key_sz); + } + + if (ret) + goto err_rsa_crypt; + + sg_copy_buffer(rctx->out_sg, sg_nents(rctx->out_sg), + rctx->rsa_data, key->key_sz, 0, 0); + +err_rsa_crypt: + writel(STARFIVE_RSA_RESET, cryp->base + STARFIVE_PKA_CACR_OFFSET); + kfree(rctx->rsa_data); + return ret; +} + +static int starfive_rsa_enc(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + struct starfive_cryp_dev *cryp = ctx->cryp; + struct starfive_rsa_key *key = &ctx->rsa_key; + struct starfive_cryp_request_ctx *rctx = akcipher_request_ctx(req); + int ret; + + if (!key->key_sz) { + akcipher_request_set_tfm(req, ctx->akcipher_fbk); + ret = crypto_akcipher_encrypt(req); + akcipher_request_set_tfm(req, tfm); + return ret; + } + + if (unlikely(!key->n || !key->e)) + return -EINVAL; + + if (req->dst_len < key->key_sz) + return dev_err_probe(cryp->dev, -EOVERFLOW, + "Output buffer length less than parameter n\n"); + + rctx->in_sg = req->src; + rctx->out_sg = req->dst; + rctx->total = req->src_len; + rctx->nents = sg_nents(rctx->in_sg); + ctx->rctx = rctx; + + return starfive_rsa_enc_core(ctx, 1); +} + +static int starfive_rsa_dec(struct akcipher_request *req) +{ + struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + struct starfive_cryp_dev *cryp = ctx->cryp; + struct starfive_rsa_key *key = &ctx->rsa_key; + struct starfive_cryp_request_ctx *rctx = akcipher_request_ctx(req); + int ret; + + if (!key->key_sz) { + akcipher_request_set_tfm(req, ctx->akcipher_fbk); + ret = crypto_akcipher_decrypt(req); + akcipher_request_set_tfm(req, tfm); + return ret; + } + + if (unlikely(!key->n || !key->d)) + return -EINVAL; + + if (req->dst_len < key->key_sz) + return dev_err_probe(cryp->dev, -EOVERFLOW, + "Output buffer length less than parameter n\n"); + + rctx->in_sg = req->src; + rctx->out_sg = req->dst; + ctx->rctx = rctx; + rctx->total = req->src_len; + + return starfive_rsa_enc_core(ctx, 0); +} + +static int starfive_rsa_set_n(struct starfive_rsa_key *rsa_key, + const char *value, size_t vlen) +{ + const char *ptr = value; + unsigned int bitslen; + int ret; + + while (!*ptr && vlen) { + ptr++; + vlen--; + } + rsa_key->key_sz = vlen; + bitslen = rsa_key->key_sz << 3; + + /* check valid key size */ + if (bitslen & 0x1f) + return -EINVAL; + + ret = -ENOMEM; + rsa_key->n = kmemdup(ptr, rsa_key->key_sz, GFP_KERNEL); + if (!rsa_key->n) + goto err; + + return 0; + err: + rsa_key->key_sz = 0; + rsa_key->n = NULL; + starfive_rsa_free_key(rsa_key); + return ret; +} + +static int starfive_rsa_set_e(struct starfive_rsa_key *rsa_key, + const char *value, size_t vlen) +{ + const char *ptr = value; + unsigned char pt; + int loop; + + while (!*ptr && vlen) { + ptr++; + vlen--; + } + pt = *ptr; + + if (!rsa_key->key_sz || !vlen || vlen > rsa_key->key_sz) { + rsa_key->e = NULL; + return -EINVAL; + } + + rsa_key->e = kzalloc(rsa_key->key_sz, GFP_KERNEL); + if (!rsa_key->e) + return -ENOMEM; + + for (loop = 8; loop > 0; loop--) { + if (pt >> (loop - 1)) + break; + } + + rsa_key->e_bitlen = (vlen - 1) * 8 + loop; + + memcpy(rsa_key->e + (rsa_key->key_sz - vlen), ptr, vlen); + + return 0; +} + +static int starfive_rsa_set_d(struct starfive_rsa_key *rsa_key, + const char *value, size_t vlen) +{ + const char *ptr = value; + unsigned char pt; + int loop; + int ret; + + while (!*ptr && vlen) { + ptr++; + vlen--; + } + pt = *ptr; + + ret = -EINVAL; + if (!rsa_key->key_sz || !vlen || vlen > rsa_key->key_sz) + goto err; + + ret = -ENOMEM; + rsa_key->d = kzalloc(rsa_key->key_sz, GFP_KERNEL); + if (!rsa_key->d) + goto err; + + for (loop = 8; loop > 0; loop--) { + if (pt >> (loop - 1)) + break; + } + + rsa_key->d_bitlen = (vlen - 1) * 8 + loop; + + memcpy(rsa_key->d + (rsa_key->key_sz - vlen), ptr, vlen); + + return 0; + err: + rsa_key->d = NULL; + return ret; +} + +static int starfive_rsa_setkey(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen, bool private) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + struct rsa_key raw_key = {NULL}; + struct starfive_rsa_key *rsa_key = &ctx->rsa_key; + int ret; + + if (private) + ret = rsa_parse_priv_key(&raw_key, key, keylen); + else + ret = rsa_parse_pub_key(&raw_key, key, keylen); + if (ret < 0) + goto err; + + starfive_rsa_free_key(rsa_key); + + /* Use fallback for mod > 256 + 1 byte prefix */ + if (raw_key.n_sz > STARFIVE_RSA_MAX_KEYSZ + 1) + return 0; + + ret = starfive_rsa_set_n(rsa_key, raw_key.n, raw_key.n_sz); + if (ret) + return ret; + + ret = starfive_rsa_set_e(rsa_key, raw_key.e, raw_key.e_sz); + if (ret) + goto err; + + if (private) { + ret = starfive_rsa_set_d(rsa_key, raw_key.d, raw_key.d_sz); + if (ret) + goto err; + } + + if (!rsa_key->n || !rsa_key->e) { + ret = -EINVAL; + goto err; + } + + if (private && !rsa_key->d) { + ret = -EINVAL; + goto err; + } + + return 0; + err: + starfive_rsa_free_key(rsa_key); + return ret; +} + +static int starfive_rsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + int ret; + + ret = crypto_akcipher_set_pub_key(ctx->akcipher_fbk, key, keylen); + if (ret) + return ret; + + return starfive_rsa_setkey(tfm, key, keylen, false); +} + +static int starfive_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, + unsigned int keylen) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + int ret; + + ret = crypto_akcipher_set_priv_key(ctx->akcipher_fbk, key, keylen); + if (ret) + return ret; + + return starfive_rsa_setkey(tfm, key, keylen, true); +} + +static unsigned int starfive_rsa_max_size(struct crypto_akcipher *tfm) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + + if (ctx->rsa_key.key_sz) + return ctx->rsa_key.key_sz; + + return crypto_akcipher_maxsize(ctx->akcipher_fbk); +} + +static int starfive_rsa_init_tfm(struct crypto_akcipher *tfm) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + + ctx->akcipher_fbk = crypto_alloc_akcipher("rsa-generic", 0, 0); + if (IS_ERR(ctx->akcipher_fbk)) + return PTR_ERR(ctx->akcipher_fbk); + + ctx->cryp = starfive_cryp_find_dev(ctx); + if (!ctx->cryp) { + crypto_free_akcipher(ctx->akcipher_fbk); + return -ENODEV; + } + + akcipher_set_reqsize(tfm, sizeof(struct starfive_cryp_request_ctx) + + sizeof(struct crypto_akcipher) + 32); + + return 0; +} + +static void starfive_rsa_exit_tfm(struct crypto_akcipher *tfm) +{ + struct starfive_cryp_ctx *ctx = akcipher_tfm_ctx(tfm); + struct starfive_rsa_key *key = (struct starfive_rsa_key *)&ctx->rsa_key; + + crypto_free_akcipher(ctx->akcipher_fbk); + starfive_rsa_free_key(key); +} + +static struct akcipher_alg starfive_rsa = { + .encrypt = starfive_rsa_enc, + .decrypt = starfive_rsa_dec, + .sign = starfive_rsa_dec, + .verify = starfive_rsa_enc, + .set_pub_key = starfive_rsa_set_pub_key, + .set_priv_key = starfive_rsa_set_priv_key, + .max_size = starfive_rsa_max_size, + .init = starfive_rsa_init_tfm, + .exit = starfive_rsa_exit_tfm, + .base = { + .cra_name = "rsa", + .cra_driver_name = "starfive-rsa", + .cra_flags = CRYPTO_ALG_TYPE_AKCIPHER | + CRYPTO_ALG_NEED_FALLBACK, + .cra_priority = 3000, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct starfive_cryp_ctx), + }, +}; + +int starfive_rsa_register_algs(void) +{ + return crypto_register_akcipher(&starfive_rsa); +} + +void starfive_rsa_unregister_algs(void) +{ + crypto_unregister_akcipher(&starfive_rsa); +} |