--- /dev/null
+/*******************************************************************************
+
+Copyright (c) 2013 - 2015, Intel Corporation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+#ifndef _I40E_ADMINQ_H_
+#define _I40E_ADMINQ_H_
+
+#include "i40e_osdep.h"
+#include "i40e_status.h"
+#include "i40e_adminq_cmd.h"
+
+#define I40E_ADMINQ_DESC(R, i) \
+ (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
+
+#define I40E_ADMINQ_DESC_ALIGNMENT 4096
+
+struct i40e_adminq_ring {
+ struct i40e_virt_mem dma_head; /* space for dma structures */
+ struct i40e_dma_mem desc_buf; /* descriptor ring memory */
+ struct i40e_virt_mem cmd_buf; /* command buffer memory */
+
+ union {
+ struct i40e_dma_mem *asq_bi;
+ struct i40e_dma_mem *arq_bi;
+ } r;
+
+ u16 count; /* Number of descriptors */
+ u16 rx_buf_len; /* Admin Receive Queue buffer length */
+
+ /* used for interrupt processing */
+ u16 next_to_use;
+ u16 next_to_clean;
+
+ /* used for queue tracking */
+ u32 head;
+ u32 tail;
+ u32 len;
+ u32 bah;
+ u32 bal;
+};
+
+/* ASQ transaction details */
+struct i40e_asq_cmd_details {
+ void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
+ u64 cookie;
+ u16 flags_ena;
+ u16 flags_dis;
+ bool async;
+ bool postpone;
+ struct i40e_aq_desc *wb_desc;
+};
+
+#define I40E_ADMINQ_DETAILS(R, i) \
+ (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
+
+/* ARQ event information */
+struct i40e_arq_event_info {
+ struct i40e_aq_desc desc;
+ u16 msg_len;
+ u16 buf_len;
+ u8 *msg_buf;
+};
+
+/* Admin Queue information */
+struct i40e_adminq_info {
+ struct i40e_adminq_ring arq; /* receive queue */
+ struct i40e_adminq_ring asq; /* send queue */
+ u32 asq_cmd_timeout; /* send queue cmd write back timeout*/
+ u16 num_arq_entries; /* receive queue depth */
+ u16 num_asq_entries; /* send queue depth */
+ u16 arq_buf_size; /* receive queue buffer size */
+ u16 asq_buf_size; /* send queue buffer size */
+ u16 fw_maj_ver; /* firmware major version */
+ u16 fw_min_ver; /* firmware minor version */
+ u32 fw_build; /* firmware build number */
+ u16 api_maj_ver; /* api major version */
+ u16 api_min_ver; /* api minor version */
+ bool nvm_release_on_done;
+
+ struct i40e_spinlock asq_spinlock; /* Send queue spinlock */
+ struct i40e_spinlock arq_spinlock; /* Receive queue spinlock */
+
+ /* last status values on send and receive queues */
+ enum i40e_admin_queue_err asq_last_status;
+ enum i40e_admin_queue_err arq_last_status;
+};
+
+/**
+ * i40e_aq_rc_to_posix - convert errors to user-land codes
+ * aq_ret: AdminQ handler error code can override aq_rc
+ * aq_rc: AdminQ firmware error code to convert
+ **/
+STATIC INLINE int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
+{
+ int aq_to_posix[] = {
+ 0, /* I40E_AQ_RC_OK */
+ -EPERM, /* I40E_AQ_RC_EPERM */
+ -ENOENT, /* I40E_AQ_RC_ENOENT */
+ -ESRCH, /* I40E_AQ_RC_ESRCH */
+ -EINTR, /* I40E_AQ_RC_EINTR */
+ -EIO, /* I40E_AQ_RC_EIO */
+ -ENXIO, /* I40E_AQ_RC_ENXIO */
+ -E2BIG, /* I40E_AQ_RC_E2BIG */
+ -EAGAIN, /* I40E_AQ_RC_EAGAIN */
+ -ENOMEM, /* I40E_AQ_RC_ENOMEM */
+ -EACCES, /* I40E_AQ_RC_EACCES */
+ -EFAULT, /* I40E_AQ_RC_EFAULT */
+ -EBUSY, /* I40E_AQ_RC_EBUSY */
+ -EEXIST, /* I40E_AQ_RC_EEXIST */
+ -EINVAL, /* I40E_AQ_RC_EINVAL */
+ -ENOTTY, /* I40E_AQ_RC_ENOTTY */
+ -ENOSPC, /* I40E_AQ_RC_ENOSPC */
+ -ENOSYS, /* I40E_AQ_RC_ENOSYS */
+ -ERANGE, /* I40E_AQ_RC_ERANGE */
+ -EPIPE, /* I40E_AQ_RC_EFLUSHED */
+ -ESPIPE, /* I40E_AQ_RC_BAD_ADDR */
+ -EROFS, /* I40E_AQ_RC_EMODE */
+ -EFBIG, /* I40E_AQ_RC_EFBIG */
+ };
+
+ /* aq_rc is invalid if AQ timed out */
+ if (aq_ret == I40E_ERR_ADMIN_QUEUE_TIMEOUT)
+ return -EAGAIN;
+
+ if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
+ return -ERANGE;
+
+ return aq_to_posix[aq_rc];
+}
+
+/* general information */
+#define I40E_AQ_LARGE_BUF 512
+#define I40E_ASQ_CMD_TIMEOUT 250 /* msecs */
+#ifdef I40E_ESS_SUPPORT
+#define I40E_ASQ_CMD_TIMEOUT_ESS 50000 /* msecs */
+#endif
+
+void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
+ u16 opcode);
+
+#endif /* _I40E_ADMINQ_H_ */
Code Review / deb_dpdk.git / blobdiff