Piecuu/linux-samsung-r9q2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

dmaengine updates for v6.4

Browse source 
New support:
  - Apple admac t8112 device support
  - StarFive JH7110 DMA controller
 
  Updates:
  - Big pile of idxd updates to support IAA 2.0 device capabilities, DSA
    2.0 Event Log and completion record faulting features and new DSA
    operations
  - at_xdmac supend & resume updates and driver code cleanup
  - k3-udma supend & resume support
  - k3-psil thread support for J784s4
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmRSOJYACgkQfBQHDyUj
 g0fmUQ//ZmrcNgbubI8evje8oovapLZUqdCgxoq9RbUbJ0TA6y7QCZ4ebkQYQymA
 LCJSV+NpG3++gLXLmIoYWiWXCabHZWDPh5M+uUiRm51MV2AtKeHy7UzQolmOWb6E
 d4JYf4HdGvzto7nMM7zo/PDaEDKdkostJNb7ZFYZrRqqCbSSSTJYmNGg3PfYRfaw
 yJpQsOjizgboM8EciKbqLh9gX3+FfQGhKsnkaiGQBwtdZD29LHeC7UoQrslkH9uh
 EiGTMYPKCZIAb+75G4WSO3sCNZcShQPEQt8w3SBP9X6eyaH75AZPymSRhF6O8gte
 ecGW/mRzc7t8lOrRnzD1zvZ/4NgwlnxTQAl+561XwWjmZIW/Zd9dH8dHFzwS5alS
 z7uVperSYXoEo//UmmwuhuZXlOWD4muOswWB4I5lTeHW97OUyccU5S3DhxYnffI6
 P8qnGMmxLj8nsmk98T8TsOmzdb5txxSbPP+PumvDVF7g9LoFKfz8wDAZG3buTsJP
 L/HR9sAFaFO0GrjoC7EsHJsiLauSzzcDnYIUJ5UIv/6Ogf2mUCrBhgwSmVhIeR26
 hUzYAdpwmhrrVXtbMXuec7jAz62bqkACdJIWGd21t/FTzUNUaDv5OimiNEZncpnY
 9q2cT9x94iHHVCl430jlIAOa/oF2AQpeqs4any7+OI2xwiJEA7g=
 =Vqrw
 -----END PGP SIGNATURE-----

Merge tag 'dmaengine-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New support:

   - Apple admac t8112 device support

   - StarFive JH7110 DMA controller

  Updates:

   - Big pile of idxd updates to support IAA 2.0 device capabilities,
     DSA 2.0 Event Log and completion record faulting features and
     new DSA operations

   - at_xdmac supend & resume updates and driver code cleanup

   - k3-udma supend & resume support

   - k3-psil thread support for J784s4"

* tag 'dmaengine-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (57 commits)
  dmaengine: idxd: add per wq PRS disable
  dmaengine: idxd: add pid to exported sysfs attribute for opened file
  dmaengine: idxd: expose fault counters to sysfs
  dmaengine: idxd: add a device to represent the file opened
  dmaengine: idxd: add per file user counters for completion record faults
  dmaengine: idxd: process batch descriptor completion record faults
  dmaengine: idxd: add descs_completed field for completion record
  dmaengine: idxd: process user page faults for completion record
  dmaengine: idxd: add idxd_copy_cr() to copy user completion record during page fault handling
  dmaengine: idxd: create kmem cache for event log fault items
  dmaengine: idxd: add per DSA wq workqueue for processing cr faults
  dmanegine: idxd: add debugfs for event log dump
  dmaengine: idxd: add interrupt handling for event log
  dmaengine: idxd: setup event log configuration
  dmaengine: idxd: add event log size sysfs attribute
  dmaengine: idxd: make misc interrupt one shot
  dt-bindings: dma: snps,dw-axi-dmac: constrain the items of resets for JH7110 dma
  dt-bindings: dma: Drop unneeded quotes
  dmaengine: at_xdmac: align declaration of ret with the rest of variables
  dmaengine: at_xdmac: add a warning message regarding for unpaused channels
  ...
This commit is contained in:
Linus Torvalds 2023-05-03 11:11:56 -07:00
commit 7994beabfb
42 changed files with 1863 additions and 260 deletions
Download patch file Download diff file Expand all files Collapse all files

48
include/uapi/linux/idxd.h
View file

@ -30,6 +30,7 @@ enum idxd_scmd_stat {
IDXD_SCMD_WQ_NO_PRIV = 0x800f0000,
IDXD_SCMD_WQ_IRQ_ERR = 0x80100000,
IDXD_SCMD_WQ_USER_NO_IOMMU = 0x80110000,
IDXD_SCMD_DEV_EVL_ERR = 0x80120000,
};
#define IDXD_SCMD_SOFTERR_MASK 0x80000000
@ -72,12 +73,14 @@ enum dsa_opcode {
DSA_OPCODE_CR_DELTA,
DSA_OPCODE_AP_DELTA,
DSA_OPCODE_DUALCAST,
DSA_OPCODE_TRANSL_FETCH,
DSA_OPCODE_CRCGEN = 0x10,
DSA_OPCODE_COPY_CRC,
DSA_OPCODE_DIF_CHECK,
DSA_OPCODE_DIF_INS,
DSA_OPCODE_DIF_STRP,
DSA_OPCODE_DIF_UPDT,
DSA_OPCODE_DIX_GEN = 0x17,
DSA_OPCODE_CFLUSH = 0x20,
};
@ -132,6 +135,8 @@ enum dsa_completion_status {
DSA_COMP_HW_ERR1,
DSA_COMP_HW_ERR_DRB,
DSA_COMP_TRANSLATION_FAIL,
DSA_COMP_DRAIN_EVL = 0x26,
DSA_COMP_BATCH_EVL_ERR,
};
enum iax_completion_status {
@ -167,6 +172,7 @@ enum iax_completion_status {
#define DSA_COMP_STATUS_MASK 0x7f
#define DSA_COMP_STATUS_WRITE 0x80
#define DSA_COMP_STATUS(status) ((status) & DSA_COMP_STATUS_MASK)
struct dsa_hw_desc {
uint32_t pasid:20;
@ -180,6 +186,8 @@ struct dsa_hw_desc {
uint64_t rdback_addr;
uint64_t pattern;
uint64_t desc_list_addr;
uint64_t pattern_lower;
uint64_t transl_fetch_addr;
};
union {
uint64_t dst_addr;
@ -190,6 +198,7 @@ struct dsa_hw_desc {
union {
uint32_t xfer_size;
uint32_t desc_count;
uint32_t region_size;
};
uint16_t int_handle;
uint16_t rsvd1;
@ -244,6 +253,26 @@ struct dsa_hw_desc {
uint16_t dest_app_tag_seed;
};
/* Fill */
uint64_t pattern_upper;
/* Translation fetch */
struct {
uint64_t transl_fetch_res;
uint32_t region_stride;
};
/* DIX generate */
struct {
uint8_t dix_gen_res;
uint8_t dest_dif_flags;
uint8_t dif_flags;
uint8_t dix_gen_res2[13];
uint32_t ref_tag_seed;
uint16_t app_tag_mask;
uint16_t app_tag_seed;
};
uint8_t op_specific[24];
};
} __attribute__((packed));
@ -284,8 +313,12 @@ struct dsa_completion_record {
uint8_t result;
uint8_t dif_status;
};
uint16_t rsvd;
uint32_t bytes_completed;
uint8_t fault_info;
uint8_t rsvd;
union {
uint32_t bytes_completed;
uint32_t descs_completed;
};
uint64_t fault_addr;
union {
/* common record */
@ -322,6 +355,14 @@ struct dsa_completion_record {
uint16_t dif_upd_dest_app_tag;
};
/* DIX generate */
struct {
uint64_t dix_gen_res;
uint32_t dix_ref_tag;
uint16_t dix_app_tag_mask;
uint16_t dix_app_tag;
};
uint8_t op_specific[16];
};
} __attribute__((packed));
@ -333,7 +374,8 @@ struct dsa_raw_completion_record {
struct iax_completion_record {
volatile uint8_t status;
uint8_t error_code;
uint16_t rsvd;
uint8_t fault_info;
uint8_t rsvd;
uint32_t bytes_completed;
uint64_t fault_addr;
uint32_t invalid_flags;