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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (125 commits)
  [CRYPTO] twofish: Merge common glue code
  [CRYPTO] hifn_795x: Fixup container_of() usage
  [CRYPTO] cast6: inline bloat--
  [CRYPTO] api: Set default CRYPTO_MINALIGN to unsigned long long
  [CRYPTO] tcrypt: Make xcbc available as a standalone test
  [CRYPTO] xcbc: Remove bogus hash/cipher test
  [CRYPTO] xcbc: Fix algorithm leak when block size check fails
  [CRYPTO] tcrypt: Zero axbuf in the right function
  [CRYPTO] padlock: Only reset the key once for each CBC and ECB operation
  [CRYPTO] api: Include sched.h for cond_resched in scatterwalk.h
  [CRYPTO] salsa20-asm: Remove unnecessary dependency on CRYPTO_SALSA20
  [CRYPTO] tcrypt: Add select of AEAD
  [CRYPTO] salsa20: Add x86-64 assembly version
  [CRYPTO] salsa20_i586: Salsa20 stream cipher algorithm (i586 version)
  [CRYPTO] gcm: Introduce rfc4106
  [CRYPTO] api: Show async type
  [CRYPTO] chainiv: Avoid lock spinning where possible
  [CRYPTO] seqiv: Add select AEAD in Kconfig
  [CRYPTO] scatterwalk: Handle zero nbytes in scatterwalk_map_and_copy
  [CRYPTO] null: Allow setkey on digest_null 
  ...
This commit is contained in:
Linus Torvalds
2008-01-25 08:38:25 -08:00
parent df8dc74e8a 15e7b4452b
commit eba0e319c1
72 changed files with 15840 additions and 3254 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/char/hw_random/amd-rng.c
+10 -2
View File
@@ -28,6 +28,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/hw_random.h>
#include <linux/delay.h>
#include <asm/io.h>
@@ -52,11 +53,18 @@ MODULE_DEVICE_TABLE(pci, pci_tbl);
static struct pci_dev *amd_pdev;
static int amd_rng_data_present(struct hwrng *rng)
static int amd_rng_data_present(struct hwrng *rng, int wait)
{
u32 pmbase = (u32)rng->priv;
int data, i;
return !!(inl(pmbase + 0xF4) & 1);
for (i = 0; i < 20; i++) {
data = !!(inl(pmbase + 0xF4) & 1);
if (data || !wait)
break;
udelay(10);
}
return data;
}
static int amd_rng_data_read(struct hwrng *rng, u32 *data)
drivers/char/hw_random/core.c
+6 -18
View File
@@ -66,11 +66,11 @@ static inline void hwrng_cleanup(struct hwrng *rng)
rng->cleanup(rng);
}
static inline int hwrng_data_present(struct hwrng *rng)
static inline int hwrng_data_present(struct hwrng *rng, int wait)
{
if (!rng->data_present)
return 1;
return rng->data_present(rng);
return rng->data_present(rng, wait);
}
static inline int hwrng_data_read(struct hwrng *rng, u32 *data)
@@ -94,8 +94,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
{
u32 data;
ssize_t ret = 0;
int i, err = 0;
int data_present;
int err = 0;
int bytes_read;
while (size) {
@@ -107,21 +106,10 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
err = -ENODEV;
goto out;
}
if (filp->f_flags & O_NONBLOCK) {
data_present = hwrng_data_present(current_rng);
} else {
/* Some RNG require some time between data_reads to gather
* new entropy. Poll it.
*/
for (i = 0; i < 20; i++) {
data_present = hwrng_data_present(current_rng);
if (data_present)
break;
udelay(10);
}
}
bytes_read = 0;
if (data_present)
if (hwrng_data_present(current_rng,
!(filp->f_flags & O_NONBLOCK)))
bytes_read = hwrng_data_read(current_rng, &data);
mutex_unlock(&rng_mutex);
drivers/char/hw_random/geode-rng.c
+10 -2
View File
@@ -28,6 +28,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/hw_random.h>
#include <linux/delay.h>
#include <asm/io.h>
@@ -61,11 +62,18 @@ static int geode_rng_data_read(struct hwrng *rng, u32 *data)
return 4;
}
static int geode_rng_data_present(struct hwrng *rng)
static int geode_rng_data_present(struct hwrng *rng, int wait)
{
void __iomem *mem = (void __iomem *)rng->priv;
int data, i;
return !!(readl(mem + GEODE_RNG_STATUS_REG));
for (i = 0; i < 20; i++) {
data = !!(readl(mem + GEODE_RNG_STATUS_REG));
if (data || !wait)
break;
udelay(10);
}
return data;
}
drivers/char/hw_random/intel-rng.c
+11 -2
View File
@@ -29,6 +29,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/stop_machine.h>
#include <linux/delay.h>
#include <asm/io.h>
@@ -162,11 +163,19 @@ static inline u8 hwstatus_set(void __iomem *mem,
return hwstatus_get(mem);
}
static int intel_rng_data_present(struct hwrng *rng)
static int intel_rng_data_present(struct hwrng *rng, int wait)
{
void __iomem *mem = (void __iomem *)rng->priv;
int data, i;
return !!(readb(mem + INTEL_RNG_STATUS) & INTEL_RNG_DATA_PRESENT);
for (i = 0; i < 20; i++) {
data = !!(readb(mem + INTEL_RNG_STATUS) &
INTEL_RNG_DATA_PRESENT);
if (data || !wait)
break;
udelay(10);
}
return data;
}
static int intel_rng_data_read(struct hwrng *rng, u32 *data)
drivers/char/hw_random/omap-rng.c
+11 -2
View File
@@ -29,6 +29,7 @@
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/hw_random.h>
#include <linux/delay.h>
#include <asm/io.h>
@@ -65,9 +66,17 @@ static void omap_rng_write_reg(int reg, u32 val)
}
/* REVISIT: Does the status bit really work on 16xx? */
static int omap_rng_data_present(struct hwrng *rng)
static int omap_rng_data_present(struct hwrng *rng, int wait)
{
return omap_rng_read_reg(RNG_STAT_REG) ? 0 : 1;
int data, i;
for (i = 0; i < 20; i++) {
data = omap_rng_read_reg(RNG_STAT_REG) ? 0 : 1;
if (data || !wait)
break;
udelay(10);
}
return data;
}
static int omap_rng_data_read(struct hwrng *rng, u32 *data)
drivers/char/hw_random/pasemi-rng.c
+11 -3
View File
@@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/hw_random.h>
#include <linux/delay.h>
#include <asm/of_platform.h>
#include <asm/io.h>
@@ -41,12 +42,19 @@
#define MODULE_NAME "pasemi_rng"
static int pasemi_rng_data_present(struct hwrng *rng)
static int pasemi_rng_data_present(struct hwrng *rng, int wait)
{
void __iomem *rng_regs = (void __iomem *)rng->priv;
int data, i;
return (in_le32(rng_regs + SDCRNG_CTL_REG)
& SDCRNG_CTL_FVLD_M) ? 1 : 0;
for (i = 0; i < 20; i++) {
data = (in_le32(rng_regs + SDCRNG_CTL_REG)
& SDCRNG_CTL_FVLD_M) ? 1 : 0;
if (data || !wait)
break;
udelay(10);
}
return data;
}
static int pasemi_rng_data_read(struct hwrng *rng, u32 *data)
drivers/char/hw_random/via-rng.c
+12 -7
View File
@@ -27,6 +27,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/hw_random.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/msr.h>
#include <asm/cpufeature.h>
@@ -77,10 +78,11 @@ static inline u32 xstore(u32 *addr, u32 edx_in)
return eax_out;
}
static int via_rng_data_present(struct hwrng *rng)
static int via_rng_data_present(struct hwrng *rng, int wait)
{
u32 bytes_out;
u32 *via_rng_datum = (u32 *)(&rng->priv);
int i;
/* We choose the recommended 1-byte-per-instruction RNG rate,
* for greater randomness at the expense of speed. Larger
@@ -95,12 +97,15 @@ static int via_rng_data_present(struct hwrng *rng)
* completes.
*/
*via_rng_datum = 0; /* paranoia, not really necessary */
bytes_out = xstore(via_rng_datum, VIA_RNG_CHUNK_1);
bytes_out &= VIA_XSTORE_CNT_MASK;
if (bytes_out == 0)
return 0;
return 1;
for (i = 0; i < 20; i++) {
*via_rng_datum = 0; /* paranoia, not really necessary */
bytes_out = xstore(via_rng_datum, VIA_RNG_CHUNK_1);
bytes_out &= VIA_XSTORE_CNT_MASK;
if (bytes_out || !wait)
break;
udelay(10);
}
return bytes_out ? 1 : 0;
}
static int via_rng_data_read(struct hwrng *rng, u32 *data)