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authorMintz, Yuval <Yuval.Mintz@cavium.com>2017-06-02 08:58:32 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-02 10:33:03 -0400
commit20675b37ee76d11430fd3d4da0851fc6a4e36abc (patch)
tree4616e0d067acf1e0aa2385ff128a78c04119795c /include/linux/qed
parent3c5da94278026a4583320f97f6547573fb3a93aa (diff)
qed: Support NVM-image reading API
Storage drivers require images from the nvram in boot-from-SAN scenarios. This provides the necessary API between qed and the protocol drivers to perform such reads. Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/qed')
-rw-r--r--include/linux/qed/qed_if.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index e29c6f74a4d4..567ea3ea6c0e 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -156,6 +156,11 @@ struct qed_dcbx_get {
struct qed_dcbx_admin_params local;
};
+enum qed_nvm_images {
+ QED_NVM_IMAGE_ISCSI_CFG,
+ QED_NVM_IMAGE_FCOE_CFG,
+};
+
enum qed_led_mode {
QED_LED_MODE_OFF,
QED_LED_MODE_ON,
@@ -631,6 +636,19 @@ struct qed_common_ops {
struct qed_chain *p_chain);
/**
+ * @brief nvm_get_image - reads an entire image from nvram
+ *
+ * @param cdev
+ * @param type - type of the request nvram image
+ * @param buf - preallocated buffer to fill with the image
+ * @param len - length of the allocated buffer
+ *
+ * @return 0 on success, error otherwise
+ */
+ int (*nvm_get_image)(struct qed_dev *cdev,
+ enum qed_nvm_images type, u8 *buf, u16 len);
+
+/**
* @brief get_coalesce - Get coalesce parameters in usec
*
* @param cdev