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authorBruce Allan <bruce.w.allan@intel.com>2008-10-01 17:18:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-01 17:31:25 -0700
commit4a7703582836f55a1cbad0e2c1c6ebbee3f9b3a7 (patch)
tree8ebe25b1ef16c8fd4ced6d356232ddca94ef97a2 /drivers/net/e1000e/e1000.h
parent20b918dc77b383e9779dafceee3f2198a6f7b0e5 (diff)
downloadop-kernel-dev-4a7703582836f55a1cbad0e2c1c6ebbee3f9b3a7.zip
op-kernel-dev-4a7703582836f55a1cbad0e2c1c6ebbee3f9b3a7.tar.gz
e1000e: write protect ICHx NVM to prevent malicious write/erase
Set the hardware to ignore all write/erase cycles to the GbE region in the ICHx NVM. This feature can be disabled by the WriteProtectNVM module parameter (enabled by default) only after a hardware reset, but the machine must be power cycled before trying to enable writes. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> CC: arjan@linux.intel.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/net/e1000e/e1000.h')
-rw-r--r--drivers/net/e1000e/e1000.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index ac4e506..f0c48a2 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -305,6 +305,7 @@ struct e1000_info {
#define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
#define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
#define FLAG_HAS_JUMBO_FRAMES (1 << 7)
+#define FLAG_READ_ONLY_NVM (1 << 8)
#define FLAG_IS_ICH (1 << 9)
#define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
#define FLAG_IS_QUAD_PORT_A (1 << 12)
@@ -385,6 +386,7 @@ extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
+extern void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw);
extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
bool state);
extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
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