/** * DOC: DPAA2 FD - Frame Descriptor APIs for DPAA2 * * Frame Descriptors (FDs) are used to describe frame data in the DPAA2. * Frames can be enqueued and dequeued to Frame Queues (FQs) which are consumed * by the various DPAA accelerators (WRIOP, SEC, PME, DCE) * * There are three types of frames: single, scatter gather, and frame lists. * * The set of APIs in this file must be used to create, manipulate and * query Frame Descriptors.
*/
/** * struct dpaa2_fd - Struct describing FDs * @words: for easier/faster copying the whole FD structure * @addr: address in the FD * @len: length in the FD * @bpid: buffer pool ID * @format_offset: format, offset, and short-length fields * @frc: frame context * @ctrl: control bits...including dd, sc, va, err, etc * @flc: flow context address * * This structure represents the basic Frame Descriptor used in the system.
*/ struct dpaa2_fd { union {
u32 words[8]; struct dpaa2_fd_simple {
__le64 addr;
__le32 len;
__le16 bpid;
__le16 format_offset;
__le32 frc;
__le32 ctrl;
__le64 flc;
} simple;
};
};
/** * dpaa2_fd_get_addr() - get the addr field of frame descriptor * @fd: the given frame descriptor * * Return the address in the frame descriptor.
*/ staticinline dma_addr_t dpaa2_fd_get_addr(conststruct dpaa2_fd *fd)
{ return (dma_addr_t)le64_to_cpu(fd->simple.addr);
}
/** * dpaa2_fd_set_addr() - Set the addr field of frame descriptor * @fd: the given frame descriptor * @addr: the address needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_addr(struct dpaa2_fd *fd, dma_addr_t addr)
{
fd->simple.addr = cpu_to_le64(addr);
}
/** * dpaa2_fd_get_frc() - Get the frame context in the frame descriptor * @fd: the given frame descriptor * * Return the frame context field in the frame descriptor.
*/ staticinline u32 dpaa2_fd_get_frc(conststruct dpaa2_fd *fd)
{ return le32_to_cpu(fd->simple.frc);
}
/** * dpaa2_fd_set_frc() - Set the frame context in the frame descriptor * @fd: the given frame descriptor * @frc: the frame context needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_frc(struct dpaa2_fd *fd, u32 frc)
{
fd->simple.frc = cpu_to_le32(frc);
}
/** * dpaa2_fd_get_ctrl() - Get the control bits in the frame descriptor * @fd: the given frame descriptor * * Return the control bits field in the frame descriptor.
*/ staticinline u32 dpaa2_fd_get_ctrl(conststruct dpaa2_fd *fd)
{ return le32_to_cpu(fd->simple.ctrl);
}
/** * dpaa2_fd_set_ctrl() - Set the control bits in the frame descriptor * @fd: the given frame descriptor * @ctrl: the control bits to be set in the frame descriptor
*/ staticinlinevoid dpaa2_fd_set_ctrl(struct dpaa2_fd *fd, u32 ctrl)
{
fd->simple.ctrl = cpu_to_le32(ctrl);
}
/** * dpaa2_fd_get_flc() - Get the flow context in the frame descriptor * @fd: the given frame descriptor * * Return the flow context in the frame descriptor.
*/ staticinline dma_addr_t dpaa2_fd_get_flc(conststruct dpaa2_fd *fd)
{ return (dma_addr_t)le64_to_cpu(fd->simple.flc);
}
/** * dpaa2_fd_set_flc() - Set the flow context field of frame descriptor * @fd: the given frame descriptor * @flc_addr: the flow context needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_flc(struct dpaa2_fd *fd, dma_addr_t flc_addr)
{
fd->simple.flc = cpu_to_le64(flc_addr);
}
/** * dpaa2_fd_get_len() - Get the length in the frame descriptor * @fd: the given frame descriptor * * Return the length field in the frame descriptor.
*/ staticinline u32 dpaa2_fd_get_len(conststruct dpaa2_fd *fd)
{ if (dpaa2_fd_short_len(fd)) return le32_to_cpu(fd->simple.len) & FD_SHORT_LEN_MASK;
return le32_to_cpu(fd->simple.len);
}
/** * dpaa2_fd_set_len() - Set the length field of frame descriptor * @fd: the given frame descriptor * @len: the length needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_len(struct dpaa2_fd *fd, u32 len)
{
fd->simple.len = cpu_to_le32(len);
}
/** * dpaa2_fd_get_offset() - Get the offset field in the frame descriptor * @fd: the given frame descriptor * * Return the offset.
*/ staticinline uint16_t dpaa2_fd_get_offset(conststruct dpaa2_fd *fd)
{ return le16_to_cpu(fd->simple.format_offset) & FD_OFFSET_MASK;
}
/** * dpaa2_fd_set_offset() - Set the offset field of frame descriptor * @fd: the given frame descriptor * @offset: the offset needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_offset(struct dpaa2_fd *fd, uint16_t offset)
{
fd->simple.format_offset &= cpu_to_le16(~FD_OFFSET_MASK);
fd->simple.format_offset |= cpu_to_le16(offset);
}
/** * dpaa2_fd_get_format() - Get the format field in the frame descriptor * @fd: the given frame descriptor * * Return the format.
*/ staticinlineenum dpaa2_fd_format dpaa2_fd_get_format( conststruct dpaa2_fd *fd)
{ return (enum dpaa2_fd_format)((le16_to_cpu(fd->simple.format_offset)
>> FD_FORMAT_SHIFT) & FD_FORMAT_MASK);
}
/** * dpaa2_fd_set_format() - Set the format field of frame descriptor * @fd: the given frame descriptor * @format: the format needs to be set in frame descriptor
*/ staticinlinevoid dpaa2_fd_set_format(struct dpaa2_fd *fd, enum dpaa2_fd_format format)
{
fd->simple.format_offset &=
cpu_to_le16(~(FD_FORMAT_MASK << FD_FORMAT_SHIFT));
fd->simple.format_offset |= cpu_to_le16(format << FD_FORMAT_SHIFT);
}
/** * dpaa2_fd_get_bpid() - Get the bpid field in the frame descriptor * @fd: the given frame descriptor * * Return the buffer pool id.
*/ staticinline uint16_t dpaa2_fd_get_bpid(conststruct dpaa2_fd *fd)
{ return le16_to_cpu(fd->simple.bpid) & FD_BPID_MASK;
}
/** * dpaa2_fd_set_bpid() - Set the bpid field of frame descriptor * @fd: the given frame descriptor * @bpid: buffer pool id to be set
*/ staticinlinevoid dpaa2_fd_set_bpid(struct dpaa2_fd *fd, uint16_t bpid)
{
fd->simple.bpid &= cpu_to_le16(~(FD_BPID_MASK));
fd->simple.bpid |= cpu_to_le16(bpid);
}
/** * struct dpaa2_sg_entry - the scatter-gathering structure * @addr: address of the sg entry * @len: length in this sg entry * @bpid: buffer pool id * @format_offset: format and offset fields
*/ struct dpaa2_sg_entry {
__le64 addr;
__le32 len;
__le16 bpid;
__le16 format_offset;
};
/** * dpaa2_sg_get_addr() - Get the address from SG entry * @sg: the given scatter-gathering object * * Return the address.
*/ staticinline dma_addr_t dpaa2_sg_get_addr(conststruct dpaa2_sg_entry *sg)
{ return (dma_addr_t)le64_to_cpu(sg->addr);
}
/** * dpaa2_sg_set_addr() - Set the address in SG entry * @sg: the given scatter-gathering object * @addr: the address to be set
*/ staticinlinevoid dpaa2_sg_set_addr(struct dpaa2_sg_entry *sg, dma_addr_t addr)
{
sg->addr = cpu_to_le64(addr);
}
/** * dpaa2_sg_get_len() - Get the length in SG entry * @sg: the given scatter-gathering object * * Return the length.
*/ staticinline u32 dpaa2_sg_get_len(conststruct dpaa2_sg_entry *sg)
{ if (dpaa2_sg_short_len(sg)) return le32_to_cpu(sg->len) & SG_SHORT_LEN_MASK;
return le32_to_cpu(sg->len);
}
/** * dpaa2_sg_set_len() - Set the length in SG entry * @sg: the given scatter-gathering object * @len: the length to be set
*/ staticinlinevoid dpaa2_sg_set_len(struct dpaa2_sg_entry *sg, u32 len)
{
sg->len = cpu_to_le32(len);
}
/** * dpaa2_sg_get_offset() - Get the offset in SG entry * @sg: the given scatter-gathering object * * Return the offset.
*/ staticinline u16 dpaa2_sg_get_offset(conststruct dpaa2_sg_entry *sg)
{ return le16_to_cpu(sg->format_offset) & SG_OFFSET_MASK;
}
/** * dpaa2_sg_set_offset() - Set the offset in SG entry * @sg: the given scatter-gathering object * @offset: the offset to be set
*/ staticinlinevoid dpaa2_sg_set_offset(struct dpaa2_sg_entry *sg,
u16 offset)
{
sg->format_offset &= cpu_to_le16(~SG_OFFSET_MASK);
sg->format_offset |= cpu_to_le16(offset);
}
/** * dpaa2_sg_get_format() - Get the SG format in SG entry * @sg: the given scatter-gathering object * * Return the format.
*/ staticinlineenum dpaa2_sg_format
dpaa2_sg_get_format(conststruct dpaa2_sg_entry *sg)
{ return (enum dpaa2_sg_format)((le16_to_cpu(sg->format_offset)
>> SG_FORMAT_SHIFT) & SG_FORMAT_MASK);
}
/** * dpaa2_sg_set_format() - Set the SG format in SG entry * @sg: the given scatter-gathering object * @format: the format to be set
*/ staticinlinevoid dpaa2_sg_set_format(struct dpaa2_sg_entry *sg, enum dpaa2_sg_format format)
{
sg->format_offset &= cpu_to_le16(~(SG_FORMAT_MASK << SG_FORMAT_SHIFT));
sg->format_offset |= cpu_to_le16(format << SG_FORMAT_SHIFT);
}
/** * dpaa2_sg_get_bpid() - Get the buffer pool id in SG entry * @sg: the given scatter-gathering object * * Return the bpid.
*/ staticinline u16 dpaa2_sg_get_bpid(conststruct dpaa2_sg_entry *sg)
{ return le16_to_cpu(sg->bpid) & SG_BPID_MASK;
}
/** * dpaa2_sg_set_bpid() - Set the buffer pool id in SG entry * @sg: the given scatter-gathering object * @bpid: the bpid to be set
*/ staticinlinevoid dpaa2_sg_set_bpid(struct dpaa2_sg_entry *sg, u16 bpid)
{
sg->bpid &= cpu_to_le16(~(SG_BPID_MASK));
sg->bpid |= cpu_to_le16(bpid);
}
/** * dpaa2_sg_is_final() - Check final bit in SG entry * @sg: the given scatter-gathering object * * Return bool.
*/ staticinlinebool dpaa2_sg_is_final(conststruct dpaa2_sg_entry *sg)
{ return !!(le16_to_cpu(sg->format_offset) >> SG_FINAL_FLAG_SHIFT);
}
/** * dpaa2_sg_set_final() - Set the final bit in SG entry * @sg: the given scatter-gathering object * @final: the final boolean to be set
*/ staticinlinevoid dpaa2_sg_set_final(struct dpaa2_sg_entry *sg, bool final)
{
sg->format_offset &= cpu_to_le16((~(SG_FINAL_FLAG_MASK
<< SG_FINAL_FLAG_SHIFT)) & 0xFFFF);
sg->format_offset |= cpu_to_le16(final << SG_FINAL_FLAG_SHIFT);
}
/** * struct dpaa2_fl_entry - structure for frame list entry. * @addr: address in the FLE * @len: length in the FLE * @bpid: buffer pool ID * @format_offset: format, offset, and short-length fields * @frc: frame context * @ctrl: control bits...including pta, pvt1, pvt2, err, etc * @flc: flow context address
*/ struct dpaa2_fl_entry {
__le64 addr;
__le32 len;
__le16 bpid;
__le16 format_offset;
__le32 frc;
__le32 ctrl;
__le64 flc;
};
/** * dpaa2_fl_get_addr() - get the addr field of FLE * @fle: the given frame list entry * * Return the address in the frame list entry.
*/ staticinline dma_addr_t dpaa2_fl_get_addr(conststruct dpaa2_fl_entry *fle)
{ return (dma_addr_t)le64_to_cpu(fle->addr);
}
/** * dpaa2_fl_set_addr() - Set the addr field of FLE * @fle: the given frame list entry * @addr: the address needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_addr(struct dpaa2_fl_entry *fle,
dma_addr_t addr)
{
fle->addr = cpu_to_le64(addr);
}
/** * dpaa2_fl_get_frc() - Get the frame context in the FLE * @fle: the given frame list entry * * Return the frame context field in the frame lsit entry.
*/ staticinline u32 dpaa2_fl_get_frc(conststruct dpaa2_fl_entry *fle)
{ return le32_to_cpu(fle->frc);
}
/** * dpaa2_fl_set_frc() - Set the frame context in the FLE * @fle: the given frame list entry * @frc: the frame context needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_frc(struct dpaa2_fl_entry *fle, u32 frc)
{
fle->frc = cpu_to_le32(frc);
}
/** * dpaa2_fl_get_ctrl() - Get the control bits in the FLE * @fle: the given frame list entry * * Return the control bits field in the frame list entry.
*/ staticinline u32 dpaa2_fl_get_ctrl(conststruct dpaa2_fl_entry *fle)
{ return le32_to_cpu(fle->ctrl);
}
/** * dpaa2_fl_set_ctrl() - Set the control bits in the FLE * @fle: the given frame list entry * @ctrl: the control bits to be set in the frame list entry
*/ staticinlinevoid dpaa2_fl_set_ctrl(struct dpaa2_fl_entry *fle, u32 ctrl)
{
fle->ctrl = cpu_to_le32(ctrl);
}
/** * dpaa2_fl_get_flc() - Get the flow context in the FLE * @fle: the given frame list entry * * Return the flow context in the frame list entry.
*/ staticinline dma_addr_t dpaa2_fl_get_flc(conststruct dpaa2_fl_entry *fle)
{ return (dma_addr_t)le64_to_cpu(fle->flc);
}
/** * dpaa2_fl_set_flc() - Set the flow context field of FLE * @fle: the given frame list entry * @flc_addr: the flow context needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_flc(struct dpaa2_fl_entry *fle,
dma_addr_t flc_addr)
{
fle->flc = cpu_to_le64(flc_addr);
}
/** * dpaa2_fl_get_len() - Get the length in the FLE * @fle: the given frame list entry * * Return the length field in the frame list entry.
*/ staticinline u32 dpaa2_fl_get_len(conststruct dpaa2_fl_entry *fle)
{ if (dpaa2_fl_short_len(fle)) return le32_to_cpu(fle->len) & FL_SHORT_LEN_MASK;
return le32_to_cpu(fle->len);
}
/** * dpaa2_fl_set_len() - Set the length field of FLE * @fle: the given frame list entry * @len: the length needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_len(struct dpaa2_fl_entry *fle, u32 len)
{
fle->len = cpu_to_le32(len);
}
/** * dpaa2_fl_get_offset() - Get the offset field in the frame list entry * @fle: the given frame list entry * * Return the offset.
*/ staticinline u16 dpaa2_fl_get_offset(conststruct dpaa2_fl_entry *fle)
{ return le16_to_cpu(fle->format_offset) & FL_OFFSET_MASK;
}
/** * dpaa2_fl_set_offset() - Set the offset field of FLE * @fle: the given frame list entry * @offset: the offset needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_offset(struct dpaa2_fl_entry *fle, u16 offset)
{
fle->format_offset &= cpu_to_le16(~FL_OFFSET_MASK);
fle->format_offset |= cpu_to_le16(offset);
}
/** * dpaa2_fl_get_format() - Get the format field in the FLE * @fle: the given frame list entry * * Return the format.
*/ staticinlineenum dpaa2_fl_format dpaa2_fl_get_format(conststruct dpaa2_fl_entry *fle)
{ return (enum dpaa2_fl_format)((le16_to_cpu(fle->format_offset) >>
FL_FORMAT_SHIFT) & FL_FORMAT_MASK);
}
/** * dpaa2_fl_set_format() - Set the format field of FLE * @fle: the given frame list entry * @format: the format needs to be set in frame list entry
*/ staticinlinevoid dpaa2_fl_set_format(struct dpaa2_fl_entry *fle, enum dpaa2_fl_format format)
{
fle->format_offset &= cpu_to_le16(~(FL_FORMAT_MASK << FL_FORMAT_SHIFT));
fle->format_offset |= cpu_to_le16(format << FL_FORMAT_SHIFT);
}
/** * dpaa2_fl_get_bpid() - Get the bpid field in the FLE * @fle: the given frame list entry * * Return the buffer pool id.
*/ staticinline u16 dpaa2_fl_get_bpid(conststruct dpaa2_fl_entry *fle)
{ return le16_to_cpu(fle->bpid) & FL_BPID_MASK;
}
/** * dpaa2_fl_set_bpid() - Set the bpid field of FLE * @fle: the given frame list entry * @bpid: buffer pool id to be set
*/ staticinlinevoid dpaa2_fl_set_bpid(struct dpaa2_fl_entry *fle, u16 bpid)
{
fle->bpid &= cpu_to_le16(~(FL_BPID_MASK));
fle->bpid |= cpu_to_le16(bpid);
}
/** * dpaa2_fl_is_final() - Check final bit in FLE * @fle: the given frame list entry * * Return bool.
*/ staticinlinebool dpaa2_fl_is_final(conststruct dpaa2_fl_entry *fle)
{ return !!(le16_to_cpu(fle->format_offset) >> FL_FINAL_FLAG_SHIFT);
}
/** * dpaa2_fl_set_final() - Set the final bit in FLE * @fle: the given frame list entry * @final: the final boolean to be set
*/ staticinlinevoid dpaa2_fl_set_final(struct dpaa2_fl_entry *fle, bool final)
{
fle->format_offset &= cpu_to_le16((~(FL_FINAL_FLAG_MASK <<
FL_FINAL_FLAG_SHIFT)) & 0xFFFF);
fle->format_offset |= cpu_to_le16(final << FL_FINAL_FLAG_SHIFT);
}
#endif/* __FSL_DPAA2_FD_H */
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