card_dev.c (d276b6c54d47a427e4cffd7c84f3b631a1edf98e) card_dev.c (3c1547e774b7d8485b7a1b15bb5e558d595ffc03)
1/**
2 * IBM Accelerator Family 'GenWQE'
3 *
4 * (C) Copyright IBM Corp. 2013
5 *
6 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
7 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
8 * Author: Michael Jung <mijung@de.ibm.com>

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209 * This is really a bug, because those things should
210 * have been already tidied up.
211 *
212 * GENWQE_MAPPING_RAW should have been removed via mmunmap().
213 * GENWQE_MAPPING_SGL_TEMP should be removed by tidy up code.
214 */
215 dev_err(&pci_dev->dev,
216 "[%s] %d. cleanup mapping: u_vaddr=%p "
1/**
2 * IBM Accelerator Family 'GenWQE'
3 *
4 * (C) Copyright IBM Corp. 2013
5 *
6 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
7 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
8 * Author: Michael Jung <mijung@de.ibm.com>

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209 * This is really a bug, because those things should
210 * have been already tidied up.
211 *
212 * GENWQE_MAPPING_RAW should have been removed via mmunmap().
213 * GENWQE_MAPPING_SGL_TEMP should be removed by tidy up code.
214 */
215 dev_err(&pci_dev->dev,
216 "[%s] %d. cleanup mapping: u_vaddr=%p "
217 "u_kaddr=%016lx dma_addr=%llx\n", __func__, i++,
217 "u_kaddr=%016lx dma_addr=%lx\n", __func__, i++,
218 dma_map->u_vaddr, (unsigned long)dma_map->k_vaddr,
218 dma_map->u_vaddr, (unsigned long)dma_map->k_vaddr,
219 dma_map->dma_addr);
219 (unsigned long)dma_map->dma_addr);
220
221 if (dma_map->type == GENWQE_MAPPING_RAW) {
222 /* we allocated this dynamically */
223 __genwqe_free_consistent(cd, dma_map->size,
224 dma_map->k_vaddr,
225 dma_map->dma_addr);
226 kfree(dma_map);
227 } else if (dma_map->type == GENWQE_MAPPING_SGL_TEMP) {

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502
503#define FLASH_BLOCK 0x40000 /* we use 256k blocks */
504
505static int do_flash_update(struct genwqe_file *cfile,
506 struct genwqe_bitstream *load)
507{
508 int rc = 0;
509 int blocks_to_flash;
220
221 if (dma_map->type == GENWQE_MAPPING_RAW) {
222 /* we allocated this dynamically */
223 __genwqe_free_consistent(cd, dma_map->size,
224 dma_map->k_vaddr,
225 dma_map->dma_addr);
226 kfree(dma_map);
227 } else if (dma_map->type == GENWQE_MAPPING_SGL_TEMP) {

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502
503#define FLASH_BLOCK 0x40000 /* we use 256k blocks */
504
505static int do_flash_update(struct genwqe_file *cfile,
506 struct genwqe_bitstream *load)
507{
508 int rc = 0;
509 int blocks_to_flash;
510 u64 dma_addr, flash = 0;
510 dma_addr_t dma_addr;
511 u64 flash = 0;
511 size_t tocopy = 0;
512 u8 __user *buf;
513 u8 *xbuf;
514 u32 crc;
515 u8 cmdopts;
516 struct genwqe_dev *cd = cfile->cd;
517 struct pci_dev *pci_dev = cd->pci_dev;
518

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553 rc = copy_from_user(xbuf, buf, tocopy);
554 if (rc) {
555 rc = -EFAULT;
556 goto free_buffer;
557 }
558 crc = genwqe_crc32(xbuf, tocopy, 0xffffffff);
559
560 dev_dbg(&pci_dev->dev,
512 size_t tocopy = 0;
513 u8 __user *buf;
514 u8 *xbuf;
515 u32 crc;
516 u8 cmdopts;
517 struct genwqe_dev *cd = cfile->cd;
518 struct pci_dev *pci_dev = cd->pci_dev;
519

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554 rc = copy_from_user(xbuf, buf, tocopy);
555 if (rc) {
556 rc = -EFAULT;
557 goto free_buffer;
558 }
559 crc = genwqe_crc32(xbuf, tocopy, 0xffffffff);
560
561 dev_dbg(&pci_dev->dev,
561 "[%s] DMA: 0x%llx CRC: %08x SZ: %ld %d\n",
562 __func__, dma_addr, crc, tocopy, blocks_to_flash);
562 "[%s] DMA: %lx CRC: %08x SZ: %ld %d\n",
563 __func__, (unsigned long)dma_addr, crc, tocopy,
564 blocks_to_flash);
563
564 /* prepare DDCB for SLU process */
565 req = ddcb_requ_alloc();
566 if (req == NULL) {
567 rc = -ENOMEM;
568 goto free_buffer;
569 }
570

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633 __genwqe_free_consistent(cd, FLASH_BLOCK, xbuf, dma_addr);
634 return rc;
635}
636
637static int do_flash_read(struct genwqe_file *cfile,
638 struct genwqe_bitstream *load)
639{
640 int rc, blocks_to_flash;
565
566 /* prepare DDCB for SLU process */
567 req = ddcb_requ_alloc();
568 if (req == NULL) {
569 rc = -ENOMEM;
570 goto free_buffer;
571 }
572

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635 __genwqe_free_consistent(cd, FLASH_BLOCK, xbuf, dma_addr);
636 return rc;
637}
638
639static int do_flash_read(struct genwqe_file *cfile,
640 struct genwqe_bitstream *load)
641{
642 int rc, blocks_to_flash;
641 u64 dma_addr, flash = 0;
643 dma_addr_t dma_addr;
644 u64 flash = 0;
642 size_t tocopy = 0;
643 u8 __user *buf;
644 u8 *xbuf;
645 u8 cmdopts;
646 struct genwqe_dev *cd = cfile->cd;
647 struct pci_dev *pci_dev = cd->pci_dev;
648 struct genwqe_ddcb_cmd *cmd;
649

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675 while (load->size) {
676 /*
677 * We must be 4 byte aligned. Buffer must be 0 appened
678 * to have defined values when calculating CRC.
679 */
680 tocopy = min_t(size_t, load->size, FLASH_BLOCK);
681
682 dev_dbg(&pci_dev->dev,
645 size_t tocopy = 0;
646 u8 __user *buf;
647 u8 *xbuf;
648 u8 cmdopts;
649 struct genwqe_dev *cd = cfile->cd;
650 struct pci_dev *pci_dev = cd->pci_dev;
651 struct genwqe_ddcb_cmd *cmd;
652

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678 while (load->size) {
679 /*
680 * We must be 4 byte aligned. Buffer must be 0 appened
681 * to have defined values when calculating CRC.
682 */
683 tocopy = min_t(size_t, load->size, FLASH_BLOCK);
684
685 dev_dbg(&pci_dev->dev,
683 "[%s] DMA: 0x%llx SZ: %ld %d\n",
684 __func__, dma_addr, tocopy, blocks_to_flash);
686 "[%s] DMA: %lx SZ: %ld %d\n",
687 __func__, (unsigned long)dma_addr, tocopy,
688 blocks_to_flash);
685
686 /* prepare DDCB for SLU process */
687 cmd = ddcb_requ_alloc();
688 if (cmd == NULL) {
689 rc = -ENOMEM;
690 goto free_buffer;
691 }
692 cmd->cmd = SLCMD_MOVE_FLASH;

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859 struct genwqe_dev *cd = cfile->cd;
860 struct genwqe_ddcb_cmd *cmd = &req->cmd;
861 struct dma_mapping *m;
862 const char *type = "UNKNOWN";
863
864 for (i = 0, asiv_offs = 0x00; asiv_offs <= 0x58;
865 i++, asiv_offs += 0x08) {
866
689
690 /* prepare DDCB for SLU process */
691 cmd = ddcb_requ_alloc();
692 if (cmd == NULL) {
693 rc = -ENOMEM;
694 goto free_buffer;
695 }
696 cmd->cmd = SLCMD_MOVE_FLASH;

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863 struct genwqe_dev *cd = cfile->cd;
864 struct genwqe_ddcb_cmd *cmd = &req->cmd;
865 struct dma_mapping *m;
866 const char *type = "UNKNOWN";
867
868 for (i = 0, asiv_offs = 0x00; asiv_offs <= 0x58;
869 i++, asiv_offs += 0x08) {
870
867 u64 u_addr, d_addr;
871 u64 u_addr;
872 dma_addr_t d_addr;
868 u32 u_size = 0;
869 u64 ats_flags;
870
871 ats_flags = ATS_GET_FLAGS(cmd->ats, asiv_offs);
872
873 switch (ats_flags) {
874
875 case ATS_TYPE_DATA:

--- 534 unchanged lines hidden --- 		873 u32 u_size = 0;
874 u64 ats_flags;
875
876 ats_flags = ATS_GET_FLAGS(cmd->ats, asiv_offs);
877
878 switch (ats_flags) {
879
880 case ATS_TYPE_DATA:

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