#ifdef V3_CONFIG_CHECKPOINT
#include <palacios/vmm_sprintf.h>
-static int ide_save(struct v3_chkpt_ctx * ctx, void * private_data) {
+
+static int ide_save_extended(struct v3_chkpt *chkpt, char *id, void * private_data) {
struct ide_internal * ide = (struct ide_internal *)private_data;
+ struct v3_chkpt_ctx *ctx=0;
int ch_num = 0;
int drive_num = 0;
char buf[128];
+ ctx=v3_chkpt_open_ctx(chkpt,id);
+
+ if (!ctx) {
+ PrintError("Failed to open context for save\n");
+ goto savefailout;
+ }
+
+ // nothing saved yet
+
+ v3_chkpt_close_ctx(ctx);ctx=0;
+
+
for (ch_num = 0; ch_num < 2; ch_num++) {
- struct v3_chkpt_ctx * ch_ctx = NULL;
struct ide_channel * ch = &(ide->channels[ch_num]);
- snprintf(buf, 128, "channel-%d", ch_num);
- ch_ctx = v3_chkpt_open_ctx(ctx->chkpt, ctx, buf);
+ snprintf(buf, 128, "%s-%d", id, ch_num);
+
+ ctx = v3_chkpt_open_ctx(chkpt, buf);
+
+ if (!ctx) {
+ PrintError("Unable to open context to save channel %d\n",ch_num);
+ goto savefailout;
+ }
- v3_chkpt_save_8(ch_ctx, "ERROR", &(ch->error_reg.val));
- v3_chkpt_save_8(ch_ctx, "FEATURES", &(ch->features.val));
- v3_chkpt_save_8(ch_ctx, "DRIVE_HEAD", &(ch->drive_head.val));
- v3_chkpt_save_8(ch_ctx, "STATUS", &(ch->status.val));
- v3_chkpt_save_8(ch_ctx, "CMD_REG", &(ch->cmd_reg));
- v3_chkpt_save_8(ch_ctx, "CTRL_REG", &(ch->ctrl_reg.val));
- v3_chkpt_save_8(ch_ctx, "DMA_CMD", &(ch->dma_cmd.val));
- v3_chkpt_save_8(ch_ctx, "DMA_STATUS", &(ch->dma_status.val));
- v3_chkpt_save_32(ch_ctx, "PRD_ADDR", &(ch->dma_prd_addr));
- v3_chkpt_save_32(ch_ctx, "DMA_TBL_IDX", &(ch->dma_tbl_index));
+ V3_CHKPT_SAVE(ctx, "ERROR", ch->error_reg.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "FEATURES", ch->features.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "DRIVE_HEAD", ch->drive_head.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "STATUS", ch->status.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "CMD_REG", ch->cmd_reg, savefailout);
+ V3_CHKPT_SAVE(ctx, "CTRL_REG", ch->ctrl_reg.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "DMA_CMD", ch->dma_cmd.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "DMA_STATUS", ch->dma_status.val, savefailout);
+ V3_CHKPT_SAVE(ctx, "PRD_ADDR", ch->dma_prd_addr, savefailout);
+ V3_CHKPT_SAVE(ctx, "DMA_TBL_IDX", ch->dma_tbl_index, savefailout);
+ v3_chkpt_close_ctx(ctx); ctx=0;
for (drive_num = 0; drive_num < 2; drive_num++) {
- struct v3_chkpt_ctx * drive_ctx = NULL;
struct ide_drive * drive = &(ch->drives[drive_num]);
- snprintf(buf, 128, "drive-%d-%d", ch_num, drive_num);
- drive_ctx = v3_chkpt_open_ctx(ctx->chkpt, ch_ctx, buf);
+ snprintf(buf, 128, "%s-%d-%d", id, ch_num, drive_num);
+
+ ctx = v3_chkpt_open_ctx(chkpt, buf);
- v3_chkpt_save_8(drive_ctx, "DRIVE_TYPE", &(drive->drive_type));
- v3_chkpt_save_8(drive_ctx, "SECTOR_COUNT", &(drive->sector_count));
- v3_chkpt_save_8(drive_ctx, "SECTOR_NUM", &(drive->sector_num));
- v3_chkpt_save_16(drive_ctx, "CYLINDER", &(drive->cylinder));
+ if (!ctx) {
+ PrintError("Unable to open context to save drive %d\n",drive_num);
+ goto savefailout;
+ }
+
+ V3_CHKPT_SAVE(ctx, "DRIVE_TYPE", drive->drive_type, savefailout);
+ V3_CHKPT_SAVE(ctx, "SECTOR_COUNT", drive->sector_count, savefailout);
+ V3_CHKPT_SAVE(ctx, "SECTOR_NUM", drive->sector_num, savefailout);
+ V3_CHKPT_SAVE(ctx, "CYLINDER", drive->cylinder,savefailout);
- v3_chkpt_save_64(drive_ctx, "CURRENT_LBA", &(drive->current_lba));
- v3_chkpt_save_32(drive_ctx, "TRANSFER_LENGTH", &(drive->transfer_length));
- v3_chkpt_save_32(drive_ctx, "TRANSFER_INDEX", &(drive->transfer_index));
+ V3_CHKPT_SAVE(ctx, "CURRENT_LBA", drive->current_lba, savefailout);
+ V3_CHKPT_SAVE(ctx, "TRANSFER_LENGTH", drive->transfer_length, savefailout);
+ V3_CHKPT_SAVE(ctx, "TRANSFER_INDEX", drive->transfer_index, savefailout);
- v3_chkpt_save(drive_ctx, "DATA_BUF", DATA_BUFFER_SIZE, drive->data_buf);
+ V3_CHKPT_SAVE(ctx, "DATA_BUF", drive->data_buf, savefailout);
/* For now we'll just pack the type specific data at the end... */
/* We should probably add a new context here in the future... */
if (drive->drive_type == BLOCK_CDROM) {
- v3_chkpt_save(drive_ctx, "ATAPI_SENSE_DATA", 18, drive->cd_state.sense.buf);
- v3_chkpt_save_8(drive_ctx, "ATAPI_CMD", &(drive->cd_state.atapi_cmd));
- v3_chkpt_save(drive_ctx, "ATAPI_ERR_RECOVERY", 12, drive->cd_state.err_recovery.buf);
+ V3_CHKPT_SAVE(ctx, "ATAPI_SENSE_DATA", drive->cd_state.sense.buf, savefailout);
+ V3_CHKPT_SAVE(ctx, "ATAPI_CMD", drive->cd_state.atapi_cmd, savefailout);
+ V3_CHKPT_SAVE(ctx, "ATAPI_ERR_RECOVERY", drive->cd_state.err_recovery.buf, savefailout);
} else if (drive->drive_type == BLOCK_DISK) {
- v3_chkpt_save_32(drive_ctx, "ACCESSED", &(drive->hd_state.accessed));
- v3_chkpt_save_32(drive_ctx, "MULT_SECT_NUM", &(drive->hd_state.mult_sector_num));
- v3_chkpt_save_32(drive_ctx, "CUR_SECT_NUM", &(drive->hd_state.cur_sector_num));
+ V3_CHKPT_SAVE(ctx, "ACCESSED", drive->hd_state.accessed, savefailout);
+ V3_CHKPT_SAVE(ctx, "MULT_SECT_NUM", drive->hd_state.mult_sector_num, savefailout);
+ V3_CHKPT_SAVE(ctx, "CUR_SECT_NUM", drive->hd_state.cur_sector_num, savefailout);
+ } else if (drive->drive_type == BLOCK_NONE) {
+ // no drive connected, so no data
+ } else {
+ PrintError("Invalid drive type %d\n",drive->drive_type);
+ goto savefailout;
}
+
+ v3_chkpt_close_ctx(ctx); ctx=0;
}
}
+// goodout:
return 0;
+
+ savefailout:
+ PrintError("Failed to save IDE\n");
+ if (ctx) {v3_chkpt_close_ctx(ctx); }
+ return -1;
}
-static int ide_load(struct v3_chkpt_ctx * ctx, void * private_data) {
+static int ide_load_extended(struct v3_chkpt *chkpt, char *id, void * private_data) {
struct ide_internal * ide = (struct ide_internal *)private_data;
+ struct v3_chkpt_ctx *ctx=0;
int ch_num = 0;
int drive_num = 0;
char buf[128];
+ ctx=v3_chkpt_open_ctx(chkpt,id);
+
+ if (!ctx) {
+ PrintError("Failed to open context for load\n");
+ goto loadfailout;
+ }
+
+ // nothing saved yet
+
+ v3_chkpt_close_ctx(ctx);ctx=0;
+
for (ch_num = 0; ch_num < 2; ch_num++) {
- struct v3_chkpt_ctx * ch_ctx = NULL;
struct ide_channel * ch = &(ide->channels[ch_num]);
- snprintf(buf, 128, "channel-%d", ch_num);
- ch_ctx = v3_chkpt_open_ctx(ctx->chkpt, ctx, buf);
+ snprintf(buf, 128, "%s-%d", id, ch_num);
- v3_chkpt_load_8(ch_ctx, "ERROR", &(ch->error_reg.val));
- v3_chkpt_load_8(ch_ctx, "FEATURES", &(ch->features.val));
- v3_chkpt_load_8(ch_ctx, "DRIVE_HEAD", &(ch->drive_head.val));
- v3_chkpt_load_8(ch_ctx, "STATUS", &(ch->status.val));
- v3_chkpt_load_8(ch_ctx, "CMD_REG", &(ch->cmd_reg));
- v3_chkpt_load_8(ch_ctx, "CTRL_REG", &(ch->ctrl_reg.val));
- v3_chkpt_load_8(ch_ctx, "DMA_CMD", &(ch->dma_cmd.val));
- v3_chkpt_load_8(ch_ctx, "DMA_STATUS", &(ch->dma_status.val));
- v3_chkpt_load_32(ch_ctx, "PRD_ADDR", &(ch->dma_prd_addr));
- v3_chkpt_load_32(ch_ctx, "DMA_TBL_IDX", &(ch->dma_tbl_index));
+ ctx = v3_chkpt_open_ctx(chkpt, buf);
+
+ if (!ctx) {
+ PrintError("Unable to open context to load channel %d\n",ch_num);
+ goto loadfailout;
+ }
+ V3_CHKPT_LOAD(ctx, "ERROR", ch->error_reg.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "FEATURES", ch->features.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "DRIVE_HEAD", ch->drive_head.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "STATUS", ch->status.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "CMD_REG", ch->cmd_reg, loadfailout);
+ V3_CHKPT_LOAD(ctx, "CTRL_REG", ch->ctrl_reg.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "DMA_CMD", ch->dma_cmd.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "DMA_STATUS", ch->dma_status.val, loadfailout);
+ V3_CHKPT_LOAD(ctx, "PRD_ADDR", ch->dma_prd_addr, loadfailout);
+ V3_CHKPT_LOAD(ctx, "DMA_TBL_IDX", ch->dma_tbl_index, loadfailout);
+
+ v3_chkpt_close_ctx(ctx); ctx=0;
for (drive_num = 0; drive_num < 2; drive_num++) {
- struct v3_chkpt_ctx * drive_ctx = NULL;
struct ide_drive * drive = &(ch->drives[drive_num]);
- snprintf(buf, 128, "drive-%d-%d", ch_num, drive_num);
- drive_ctx = v3_chkpt_open_ctx(ctx->chkpt, ch_ctx, buf);
+ snprintf(buf, 128, "%s-%d-%d", id, ch_num, drive_num);
+
+ ctx = v3_chkpt_open_ctx(chkpt, buf);
- v3_chkpt_load_8(drive_ctx, "DRIVE_TYPE", &(drive->drive_type));
- v3_chkpt_load_8(drive_ctx, "SECTOR_COUNT", &(drive->sector_count));
- v3_chkpt_load_8(drive_ctx, "SECTOR_NUM", &(drive->sector_num));
- v3_chkpt_load_16(drive_ctx, "CYLINDER", &(drive->cylinder));
+ if (!ctx) {
+ PrintError("Unable to open context to load drive %d\n",drive_num);
+ goto loadfailout;
+ }
- v3_chkpt_load_64(drive_ctx, "CURRENT_LBA", &(drive->current_lba));
- v3_chkpt_load_32(drive_ctx, "TRANSFER_LENGTH", &(drive->transfer_length));
- v3_chkpt_load_32(drive_ctx, "TRANSFER_INDEX", &(drive->transfer_index));
+ V3_CHKPT_LOAD(ctx, "DRIVE_TYPE", drive->drive_type, loadfailout);
+ V3_CHKPT_LOAD(ctx, "SECTOR_COUNT", drive->sector_count, loadfailout);
+ V3_CHKPT_LOAD(ctx, "SECTOR_NUM", drive->sector_num, loadfailout);
+ V3_CHKPT_LOAD(ctx, "CYLINDER", drive->cylinder,loadfailout);
- v3_chkpt_load(drive_ctx, "DATA_BUF", DATA_BUFFER_SIZE, drive->data_buf);
+ V3_CHKPT_LOAD(ctx, "CURRENT_LBA", drive->current_lba, loadfailout);
+ V3_CHKPT_LOAD(ctx, "TRANSFER_LENGTH", drive->transfer_length, loadfailout);
+ V3_CHKPT_LOAD(ctx, "TRANSFER_INDEX", drive->transfer_index, loadfailout);
+ V3_CHKPT_LOAD(ctx, "DATA_BUF", drive->data_buf, loadfailout);
+
/* For now we'll just pack the type specific data at the end... */
/* We should probably add a new context here in the future... */
if (drive->drive_type == BLOCK_CDROM) {
- v3_chkpt_load(drive_ctx, "ATAPI_SENSE_DATA", 18, drive->cd_state.sense.buf);
- v3_chkpt_load_8(drive_ctx, "ATAPI_CMD", &(drive->cd_state.atapi_cmd));
- v3_chkpt_load(drive_ctx, "ATAPI_ERR_RECOVERY", 12, drive->cd_state.err_recovery.buf);
+ V3_CHKPT_LOAD(ctx, "ATAPI_SENSE_DATA", drive->cd_state.sense.buf, loadfailout);
+ V3_CHKPT_LOAD(ctx, "ATAPI_CMD", drive->cd_state.atapi_cmd, loadfailout);
+ V3_CHKPT_LOAD(ctx, "ATAPI_ERR_RECOVERY", drive->cd_state.err_recovery.buf, loadfailout);
} else if (drive->drive_type == BLOCK_DISK) {
- v3_chkpt_load_32(drive_ctx, "ACCESSED", &(drive->hd_state.accessed));
- v3_chkpt_load_32(drive_ctx, "MULT_SECT_NUM", &(drive->hd_state.mult_sector_num));
- v3_chkpt_load_32(drive_ctx, "CUR_SECT_NUM", &(drive->hd_state.cur_sector_num));
+ V3_CHKPT_LOAD(ctx, "ACCESSED", drive->hd_state.accessed, loadfailout);
+ V3_CHKPT_LOAD(ctx, "MULT_SECT_NUM", drive->hd_state.mult_sector_num, loadfailout);
+ V3_CHKPT_LOAD(ctx, "CUR_SECT_NUM", drive->hd_state.cur_sector_num, loadfailout);
+ } else if (drive->drive_type == BLOCK_NONE) {
+ // no drive connected, so no data
+ } else {
+ PrintError("Invalid drive type %d\n",drive->drive_type);
+ goto loadfailout;
}
}
}
-
+// goodout:
return 0;
+
+ loadfailout:
+ PrintError("Failed to load IDE\n");
+ if (ctx) {v3_chkpt_close_ctx(ctx); }
+ return -1;
+
}
static struct v3_device_ops dev_ops = {
.free = (int (*)(void *))ide_free,
#ifdef V3_CONFIG_CHECKPOINT
- .save = ide_save,
- .load = ide_load
+ .save_extended = ide_save_extended,
+ .load_extended = ide_load_extended
#endif
-
};