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crypto: hisilicon/zip - support zip capability

Browse source 
Add function 'hisi_zip_alg_support' to get device configuration
information from capability registers, instead of determining whether
to register an algorithm based on hardware platform's version.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Weili Qian 2022-09-09 17:47:02 +08:00 committed by Herbert Xu
parent b1be70a8c9
commit db700974b6
3 changed files with 128 additions and 42 deletions
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1
drivers/crypto/hisilicon/zip/zip.h
View file

@ -84,4 +84,5 @@ struct hisi_zip_sqe {
int zip_create_qps(struct hisi_qp **qps, int qp_num, int node);
int hisi_zip_register_to_crypto(struct hisi_qm *qm);
void hisi_zip_unregister_from_crypto(struct hisi_qm *qm);
bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg);
#endif

67
drivers/crypto/hisilicon/zip/zip_crypto.c
View file

@ -39,6 +39,9 @@
#define HZIP_ALG_PRIORITY 300
#define HZIP_SGL_SGE_NR 10
#define HZIP_ALG_ZLIB GENMASK(1, 0)
#define HZIP_ALG_GZIP GENMASK(3, 2)
static const u8 zlib_head[HZIP_ZLIB_HEAD_SIZE] = {0x78, 0x9c};
static const u8 gzip_head[HZIP_GZIP_HEAD_SIZE] = {
0x1f, 0x8b, 0x08, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x03
@ -756,6 +759,28 @@ static struct acomp_alg hisi_zip_acomp_zlib = {
}
};
static int hisi_zip_register_zlib(struct hisi_qm *qm)
{
int ret;
if (!hisi_zip_alg_support(qm, HZIP_ALG_ZLIB))
return 0;
ret = crypto_register_acomp(&hisi_zip_acomp_zlib);
if (ret)
dev_err(&qm->pdev->dev, "failed to register to zlib (%d)!\n", ret);
return ret;
}
static void hisi_zip_unregister_zlib(struct hisi_qm *qm)
{
if (!hisi_zip_alg_support(qm, HZIP_ALG_ZLIB))
return;
crypto_unregister_acomp(&hisi_zip_acomp_zlib);
}
static struct acomp_alg hisi_zip_acomp_gzip = {
.init = hisi_zip_acomp_init,
.exit = hisi_zip_acomp_exit,
@ -770,27 +795,45 @@ static struct acomp_alg hisi_zip_acomp_gzip = {
}
};
int hisi_zip_register_to_crypto(struct hisi_qm *qm)
static int hisi_zip_register_gzip(struct hisi_qm *qm)
{
int ret;
ret = crypto_register_acomp(&hisi_zip_acomp_zlib);
if (ret) {
pr_err("failed to register to zlib (%d)!\n", ret);
return ret;
}
if (!hisi_zip_alg_support(qm, HZIP_ALG_GZIP))
return 0;
ret = crypto_register_acomp(&hisi_zip_acomp_gzip);
if (ret) {
pr_err("failed to register to gzip (%d)!\n", ret);
crypto_unregister_acomp(&hisi_zip_acomp_zlib);
}
if (ret)
dev_err(&qm->pdev->dev, "failed to register to gzip (%d)!\n", ret);
return ret;
}
static void hisi_zip_unregister_gzip(struct hisi_qm *qm)
{
if (!hisi_zip_alg_support(qm, HZIP_ALG_GZIP))
return;
crypto_unregister_acomp(&hisi_zip_acomp_gzip);
}
int hisi_zip_register_to_crypto(struct hisi_qm *qm)
{
int ret = 0;
ret = hisi_zip_register_zlib(qm);
if (ret)
return ret;
ret = hisi_zip_register_gzip(qm);
if (ret)
hisi_zip_unregister_zlib(qm);
return ret;
}
void hisi_zip_unregister_from_crypto(struct hisi_qm *qm)
{
crypto_unregister_acomp(&hisi_zip_acomp_gzip);
crypto_unregister_acomp(&hisi_zip_acomp_zlib);
hisi_zip_unregister_zlib(qm);
hisi_zip_unregister_gzip(qm);
}

102
drivers/crypto/hisilicon/zip/zip_main.c
View file

@ -20,18 +20,6 @@
#define HZIP_QUEUE_NUM_V1 4096
#define HZIP_CLOCK_GATE_CTRL 0x301004
#define COMP0_ENABLE BIT(0)
#define COMP1_ENABLE BIT(1)
#define DECOMP0_ENABLE BIT(2)
#define DECOMP1_ENABLE BIT(3)
#define DECOMP2_ENABLE BIT(4)
#define DECOMP3_ENABLE BIT(5)
#define DECOMP4_ENABLE BIT(6)
#define DECOMP5_ENABLE BIT(7)
#define HZIP_ALL_COMP_DECOMP_EN (COMP0_ENABLE | COMP1_ENABLE | \
DECOMP0_ENABLE | DECOMP1_ENABLE | \
DECOMP2_ENABLE | DECOMP3_ENABLE | \
DECOMP4_ENABLE | DECOMP5_ENABLE)
#define HZIP_DECOMP_CHECK_ENABLE BIT(16)
#define HZIP_FSM_MAX_CNT 0x301008
@ -76,10 +64,6 @@
#define HZIP_SRAM_ECC_ERR_NUM_SHIFT 16
#define HZIP_SRAM_ECC_ERR_ADDR_SHIFT 24
#define HZIP_CORE_INT_MASK_ALL GENMASK(12, 0)
#define HZIP_COMP_CORE_NUM 2
#define HZIP_DECOMP_CORE_NUM 6
#define HZIP_CORE_NUM (HZIP_COMP_CORE_NUM + \
HZIP_DECOMP_CORE_NUM)
#define HZIP_SQE_SIZE 128
#define HZIP_PF_DEF_Q_NUM 64
#define HZIP_PF_DEF_Q_BASE 0
@ -194,6 +178,21 @@ enum zip_cap_type {
ZIP_RESET_MASK_CAP,
ZIP_OOO_SHUTDOWN_MASK_CAP,
ZIP_CE_MASK_CAP,
ZIP_CLUSTER_NUM_CAP,
ZIP_CORE_TYPE_NUM_CAP,
ZIP_CORE_NUM_CAP,
ZIP_CLUSTER_COMP_NUM_CAP,
ZIP_CLUSTER_DECOMP_NUM_CAP,
ZIP_DECOMP_ENABLE_BITMAP,
ZIP_COMP_ENABLE_BITMAP,
ZIP_DRV_ALG_BITMAP,
ZIP_DEV_ALG_BITMAP,
ZIP_CORE1_ALG_BITMAP,
ZIP_CORE2_ALG_BITMAP,
ZIP_CORE3_ALG_BITMAP,
ZIP_CORE4_ALG_BITMAP,
ZIP_CORE5_ALG_BITMAP,
ZIP_CAP_MAX
};
static struct hisi_qm_cap_info zip_basic_cap_info[] = {
@ -205,6 +204,21 @@ static struct hisi_qm_cap_info zip_basic_cap_info[] = {
{ZIP_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x7FE},
{ZIP_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x2, 0x7FE},
{ZIP_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x1, 0x1},
{ZIP_CLUSTER_NUM_CAP, 0x313C, 28, GENMASK(3, 0), 0x1, 0x1, 0x1},
{ZIP_CORE_TYPE_NUM_CAP, 0x313C, 24, GENMASK(3, 0), 0x2, 0x2, 0x2},
{ZIP_CORE_NUM_CAP, 0x313C, 16, GENMASK(7, 0), 0x8, 0x8, 0x5},
{ZIP_CLUSTER_COMP_NUM_CAP, 0x313C, 8, GENMASK(7, 0), 0x2, 0x2, 0x2},
{ZIP_CLUSTER_DECOMP_NUM_CAP, 0x313C, 0, GENMASK(7, 0), 0x6, 0x6, 0x3},
{ZIP_DECOMP_ENABLE_BITMAP, 0x3140, 16, GENMASK(15, 0), 0xFC, 0xFC, 0x1C},
{ZIP_COMP_ENABLE_BITMAP, 0x3140, 0, GENMASK(15, 0), 0x3, 0x3, 0x3},
{ZIP_DRV_ALG_BITMAP, 0x3144, 0, GENMASK(31, 0), 0xF, 0xF, 0xF},
{ZIP_DEV_ALG_BITMAP, 0x3148, 0, GENMASK(31, 0), 0xF, 0xF, 0xFF},
{ZIP_CORE1_ALG_BITMAP, 0x314C, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5},
{ZIP_CORE2_ALG_BITMAP, 0x3150, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5},
{ZIP_CORE3_ALG_BITMAP, 0x3154, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CORE4_ALG_BITMAP, 0x3158, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CORE5_ALG_BITMAP, 0x315C, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0}
};
enum {
@ -363,6 +377,17 @@ int zip_create_qps(struct hisi_qp **qps, int qp_num, int node)
return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps);
}
bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg)
{
u32 cap_val;
cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DRV_ALG_BITMAP, qm->cap_ver);
if ((alg & cap_val) == alg)
return true;
return false;
}
static void hisi_zip_open_sva_prefetch(struct hisi_qm *qm)
{
u32 val;
@ -421,6 +446,7 @@ static void hisi_zip_enable_clock_gate(struct hisi_qm *qm)
static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm)
{
void __iomem *base = qm->io_base;
u32 dcomp_bm, comp_bm;
/* qm user domain */
writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1);
@ -458,8 +484,11 @@ static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm)
}
/* let's open all compression/decompression cores */
writel(HZIP_DECOMP_CHECK_ENABLE | HZIP_ALL_COMP_DECOMP_EN,
base + HZIP_CLOCK_GATE_CTRL);
dcomp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_DECOMP_ENABLE_BITMAP, qm->cap_ver);
comp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_COMP_ENABLE_BITMAP, qm->cap_ver);
writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL);
/* enable sqc,cqc writeback */
writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE |
@ -678,18 +707,23 @@ DEFINE_SHOW_ATTRIBUTE(hisi_zip_regs);
static int hisi_zip_core_debug_init(struct hisi_qm *qm)
{
u32 zip_core_num, zip_comp_core_num;
struct device *dev = &qm->pdev->dev;
struct debugfs_regset32 *regset;
struct dentry *tmp_d;
char buf[HZIP_BUF_SIZE];
int i;
for (i = 0; i < HZIP_CORE_NUM; i++) {
if (i < HZIP_COMP_CORE_NUM)
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP,
qm->cap_ver);
for (i = 0; i < zip_core_num; i++) {
if (i < zip_comp_core_num)
scnprintf(buf, sizeof(buf), "comp_core%d", i);
else
scnprintf(buf, sizeof(buf), "decomp_core%d",
i - HZIP_COMP_CORE_NUM);
i - zip_comp_core_num);
regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
if (!regset)
@ -702,7 +736,7 @@ static int hisi_zip_core_debug_init(struct hisi_qm *qm)
tmp_d = debugfs_create_dir(buf, qm->debug.debug_root);
debugfs_create_file("regs", 0444, tmp_d, regset,
&hisi_zip_regs_fops);
&hisi_zip_regs_fops);
}
return 0;
@ -822,10 +856,13 @@ static int hisi_zip_show_last_regs_init(struct hisi_qm *qm)
int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs);
struct qm_debug *debug = &qm->debug;
void __iomem *io_base;
u32 zip_core_num;
int i, j, idx;
debug->last_words = kcalloc(core_dfx_regs_num * HZIP_CORE_NUM +
com_dfx_regs_num, sizeof(unsigned int), GFP_KERNEL);
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
debug->last_words = kcalloc(core_dfx_regs_num * zip_core_num + com_dfx_regs_num,
sizeof(unsigned int), GFP_KERNEL);
if (!debug->last_words)
return -ENOMEM;
@ -834,7 +871,7 @@ static int hisi_zip_show_last_regs_init(struct hisi_qm *qm)
debug->last_words[i] = readl_relaxed(io_base);
}
for (i = 0; i < HZIP_CORE_NUM; i++) {
for (i = 0; i < zip_core_num; i++) {
io_base = qm->io_base + core_offsets[i];
for (j = 0; j < core_dfx_regs_num; j++) {
idx = com_dfx_regs_num + i * core_dfx_regs_num + j;
@ -861,6 +898,7 @@ static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm)
{
int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs);
int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs);
u32 zip_core_num, zip_comp_core_num;
struct qm_debug *debug = &qm->debug;
char buf[HZIP_BUF_SIZE];
void __iomem *base;
@ -874,15 +912,18 @@ static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm)
val = readl_relaxed(qm->io_base + hzip_com_dfx_regs[i].offset);
if (debug->last_words[i] != val)
pci_info(qm->pdev, "com_dfx: %s \t= 0x%08x => 0x%08x\n",
hzip_com_dfx_regs[i].name, debug->last_words[i], val);
hzip_com_dfx_regs[i].name, debug->last_words[i], val);
}
for (i = 0; i < HZIP_CORE_NUM; i++) {
if (i < HZIP_COMP_CORE_NUM)
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP,
qm->cap_ver);
for (i = 0; i < zip_core_num; i++) {
if (i < zip_comp_core_num)
scnprintf(buf, sizeof(buf), "Comp_core-%d", i);
else
scnprintf(buf, sizeof(buf), "Decomp_core-%d",
i - HZIP_COMP_CORE_NUM);
i - zip_comp_core_num);
base = qm->io_base + core_offsets[i];
pci_info(qm->pdev, "==>%s:\n", buf);
@ -892,7 +933,8 @@ static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm)
val = readl_relaxed(base + hzip_dump_dfx_regs[j].offset);
if (debug->last_words[idx] != val)
pci_info(qm->pdev, "%s \t= 0x%08x => 0x%08x\n",
hzip_dump_dfx_regs[j].name, debug->last_words[idx], val);
hzip_dump_dfx_regs[j].name,
debug->last_words[idx], val);
}
}
}